WO2022110745A1 - 散热系统、热管理设备及其工作方法 - Google Patents

散热系统、热管理设备及其工作方法 Download PDF

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Publication number
WO2022110745A1
WO2022110745A1 PCT/CN2021/097929 CN2021097929W WO2022110745A1 WO 2022110745 A1 WO2022110745 A1 WO 2022110745A1 CN 2021097929 W CN2021097929 W CN 2021097929W WO 2022110745 A1 WO2022110745 A1 WO 2022110745A1
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WIPO (PCT)
Prior art keywords
valve
port
condenser
way valve
heat pipe
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Application number
PCT/CN2021/097929
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English (en)
French (fr)
Inventor
丘永琪
陈君
廉志晟
惠晓卫
Original Assignee
华为数字能源技术有限公司
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Priority to CN202180055925.4A priority Critical patent/CN116097041A/zh
Publication of WO2022110745A1 publication Critical patent/WO2022110745A1/zh

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B6/00Compression machines, plants or systems, with several condenser circuits
    • F25B6/02Compression machines, plants or systems, with several condenser circuits arranged in parallel
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating

Definitions

  • the embodiments of the present application relate to the technical field of air-conditioning equipment, and in particular, to a heat dissipation system, a thermal management device, and a working method thereof.
  • Containerized equipment rooms and outdoor cabinets are one of the main construction models for access and aggregation equipment rooms. They have the advantages of rapid deployment and flexible expansion, and are favored by many equipment operators around the world.
  • Outdoor cabinets or equipment rooms are usually equipped with base station equipment, power equipment, batteries, transmission equipment, and refrigeration equipment.
  • the normal operation of the equipment, etc. prevents damage to the equipment in the outdoor cabinet or the equipment room.
  • the refrigeration equipment is an integrated machine of a compression refrigeration cycle air conditioner and a heat pipe exchanger, that is, the refrigeration equipment includes two independent compression refrigeration cycle circuits and a heat pipe heat exchange cycle circuit.
  • the heat pipe heat exchange loop is in a ready state at any time.
  • the airflow temperature inside the cabinet is higher than the airflow temperature outside the cabinet, the heat pipe loop is in working state.
  • the compression refrigeration cycle circuit starts to work, so that the refrigeration equipment takes into account energy saving and meets the requirements of high temperature use.
  • the heat exchange circulation loop of the heat pipe is a single circulation loop, and the heat exchange efficiency is low.
  • the embodiments of the present application provide a heat dissipation system, a thermal management device and a working method thereof, which can solve the problem of low heat exchange efficiency of a refrigeration device in the traditional technology.
  • An embodiment of the present application provides a thermal management device, including a compressor, at least two throttling devices, a first valve group, a second valve group, at least two third valves, and at least two heat pipe circulation loops;
  • the at least two heat pipe circulation loops include a first heat pipe circulation loop and a second heat pipe circulation loop, the first heat pipe circulation loop is a high temperature loop, and the second heat pipe circulation loop is a low temperature loop;
  • the first heat pipe circulation loop includes a first evaporator and
  • the first condenser and the second heat pipe circulation loop include a second evaporator and a second condenser; the first evaporator and the second evaporator are arranged side by side, the first condenser and the second condenser are arranged side by side, and the first evaporator and the second condenser are arranged side by side.
  • the outlet end and the outlet end of the second evaporator are in communication with the first valve group, the inlet end of the first condenser and the inlet end of the second condenser are in communication with the second valve group, and the inlet end of the compressor is in communication with the first valve group , the outlet end of the compressor is communicated with the second valve group, and the compressor and the high temperature section of each heat pipe circulation loop are arranged in parallel;
  • At least two throttling devices include a first throttling device and a second throttling device, the first throttling device is connected in series between the outlet end of the first condenser and the inlet end of the first evaporator, and the second throttling device is connected in series Between the outlet end of the second condenser and the inlet end of the second evaporator, one of the at least two third valves is arranged in parallel with the first throttling device, and the other of the at least two third valves is second The throttling devices are arranged in parallel.
  • the thermal management device by setting at least two heat pipe circulation loops, and arranging the evaporators and condensers of the at least two heat pipe circulation loops side by side, respectively, at the outlet ends of the two evaporators and the two condensers
  • the inlet end of the compressor is connected with the first valve group and the second valve group respectively
  • a compressor is arranged between the first valve group and the second valve group, and the compressor is arranged in parallel with the high temperature section of each heat pipe circulation loop
  • a throttling device is respectively set in the low temperature section of at least two heat pipe circulation loops
  • a third valve is connected in parallel with each throttling device.
  • the on-off state of the three valves makes the two heat pipe loops in a conducting state when the ambient temperature, such as the temperature in the outdoor cabinet, is lower than the set temperature, the compressor, the two parallel sections (each section consists of a condenser, a section The compression refrigeration cycle formed by the flow device and the evaporator in series) is in a closed state, that is to ensure that in a low temperature environment, the heat exchange temperature difference of the thermal management equipment is increased through two independent heat pipe circulation loops, and the indoor air is cooled. Secondary heat dissipation, thereby improving the heat exchange efficiency of thermal management equipment in a low temperature environment.
  • the two heat pipe circulation loops are closed state
  • the compression refrigeration cycle formed by the compressor, two parallel small sections (each small section is formed by a condenser, a throttling device and an evaporator in series) is in a conducting state, that is to ensure that in a high temperature environment, by having two The side-by-side compression refrigeration cycle of the evaporator and the condenser realizes heat dissipation in the room.
  • the heat exchange area of the compression refrigeration cycle is increased, thereby improving the heat exchange efficiency of the thermal management equipment in a high temperature environment. .
  • the first valve group includes at least one first one-way valve
  • the inlet end of the first check valve communicates with the outlet end of the second evaporator, the outlet end of the first check valve communicates with the outlet end of the first evaporator, and the inlet end of the compressor communicates with the outlet end of the first check valve Connected.
  • the first valve group is set as the first one-way valve, and the inlet end of the first one-way valve is connected with the outlet end of the evaporator on the low temperature circuit, and the outlet end of the first one-way valve is connected with the outlet end of the evaporator on the low temperature circuit.
  • the outlet ends of the evaporators on the high temperature circuit are connected, so that when the two heat pipe circulation circuits are in working state, that is, in the heat pipe circulation mode, since the first one-way valve points from the low temperature circuit to the high temperature circuit, the first one-way valve Reverse check, that is, the first one-way valve is in an automatic closing state, which not only ensures that in the heat pipe circulation mode, the two heat pipe circulation loops are independent of each other, but also automatically closes the first one-way valve in the heat pipe circulation mode. Manage the control efficiency of equipment.
  • the pressure at the outlet end of the first check valve is lower than the pressure at the inlet end due to the suction pressure of the compressor, so as to ensure that the first check valve is automatically guided.
  • the working fluid in the two evaporators can enter the gas-liquid separator and the compressor, so as not only to ensure the heat exchange efficiency in the compression refrigeration cycle mode, but also the first one-way valve automatically guides in the compression refrigeration cycle mode. It effectively improves the control efficiency of the entire thermal management equipment.
  • the second valve group includes at least one second one-way valve, the inlet end of the second one-way valve is communicated with the inlet end of the second condenser, and the outlet end of the second one-way valve is connected to the inlet end of the second condenser.
  • the inlet end of the first condenser is communicated with, and the outlet end of the compressor is communicated with the inlet end of the second one-way valve.
  • the second valve group is set as the second one-way valve, and the inlet end of the second one-way valve is communicated with the inlet end of the condenser on the low temperature circuit, and the outlet end of the second one-way valve is connected to the The inlet ends of the condensers on the high temperature circuit are connected, so that when the two heat pipe circulation circuits are in working state, that is, in the heat pipe circulation mode, since the second one-way valve points from the low temperature circuit to the high temperature circuit, the second one-way valve Reverse check, that is, the second one-way valve is automatically closed, which not only ensures that the two heat pipe circulation loops are independent of each other in the heat pipe circulation mode, but also automatically closes the second one-way valve in the heat pipe circulation mode.
  • the thermal management device further includes a fourth valve disposed between the inlet end of the compressor and the outlet end of the first one-way valve.
  • a fourth valve is provided between the inlet end of the compressor and the outlet end of the first one-way valve, so that when the thermal management device is in the heat pipe circulation mode, the fourth valve can be closed to ensure that one of the four valves is closed.
  • the working fluid in the heat pipe circulation loop will not enter the compressor, resulting in waste of working fluid in the heat pipe circulation mode.
  • it also further ensures that the working fluid in the high temperature loop will not enter the low temperature loop through the compressor, ensuring that the high temperature loop and the low temperature loop are not.
  • the loops are independent of each other to ensure the heat exchange efficiency in the heat pipe circulation mode.
  • the second valve group includes at least one first three-way valve, the first port of the first three-way valve is communicated with the inlet end of the first condenser, and the second The ports are respectively communicated with the inlet end of the second condenser, and the third port of the first three-way valve is communicated with the outlet end of the compressor.
  • the switching state of the first three-way valve can be adjusted in time through an electrical signal, which not only ensures that when the ambient temperature is lower than the set temperature, the The first three-way valve is in the closed state, and when the ambient temperature is greater than or equal to the set temperature, the first three-way valve is in the conducting state, and the control accuracy and timeliness of the second valve group are improved, ensuring the The thermal management device of the application embodiment stably switches between the heat pipe cycle mode and the compression refrigeration cycle mode.
  • the first valve group includes at least one second three-way valve, the first port of the second three-way valve communicates with the outlet end of the first evaporator, and the second three-way valve The port communicates with the outlet end of the second evaporator, and the third port of the second three-way valve communicates with the inlet end of the compressor.
  • the switching state of the second three-way valve can be adjusted in time through an electrical signal, which can not only ensure that when the ambient temperature is lower than the set temperature, the The first three-way valve is in a closed state, so that the thermal management device is in a heat pipe cycle mode, and when the ambient temperature is greater than or equal to a set temperature, the first three-way valve is in an on state, so that the thermal management device is in a compression refrigeration cycle
  • the control accuracy and timeliness of the first valve group are improved, and the thermal management device of the embodiment of the present application can be stably switched between the heat pipe cycle mode and the compression refrigeration cycle mode.
  • the second valve group includes at least one third check valve, the inlet end of the third check valve communicates with the inlet end of the second condenser, the outlet end of the third check valve communicates with the inlet end of the first condenser, and the compression The outlet end of the machine communicates with the inlet end of the third one-way valve;
  • the second valve group includes at least one third three-way valve, the first port of the third three-way valve is in communication with the inlet end of the first condenser, and the second port of the third three-way valve is connected with the inlet end of the second condenser The third port of the third three-way valve communicates with the outlet end of the compressor.
  • the second valve group is set as at least one third one-way valve, and the inlet end of the third one-way valve is communicated with the inlet end of the condenser on the low temperature circuit, and the outlet of the third one-way valve is connected.
  • the end is connected to the inlet end of the condenser on the high temperature loop, so that when the two heat pipe circulation loops are in the working state, that is, in the heat pipe circulation mode, because the third one-way valve points from the low temperature loop to the high temperature loop, the third one
  • the reverse check valve means that the third one-way valve is automatically closed, which not only ensures that in the heat pipe circulation mode, the two heat pipe circulation loops are independent of each other, but also automatically closes the third one-way valve in the heat pipe circulation mode. Control efficiency of the entire thermal management device.
  • the pressure at the inlet end of the third one-way valve is greater than the pressure at the outlet end due to the exhaust pressure of the compressor, thereby ensuring that the third one-way valve is automatically guided.
  • the switching state of the third three-way valve can be adjusted in time through the electrical signal, which can not only ensure that when the ambient temperature is lower than the set temperature, the third three-way valve can be The three-way valve is in the closed state, and when the ambient temperature is greater than or equal to the set temperature, the third three-way valve is in the conducting state, which improves the control accuracy and timeliness of the second valve group, and ensures the implementation of this application.
  • the thermal management device of the example switches stably between the heat pipe cycle mode and the compression refrigeration cycle mode.
  • the second valve group includes at least two fourth three-way valves; among the at least two fourth three-way valves, the first port of one of the fourth three-way valves is connected to the first evaporator.
  • the outlet end of the fourth three-way valve communicates with the inlet end of the first condenser
  • the first port of the other fourth three-way valve communicates with the outlet end of the second evaporator
  • the other The second port of the four-three-way valve communicates with the inlet end of the second condenser
  • the third port of each fourth three-way valve communicates with the outlet end of the compressor.
  • the second valve group is set as at least two fourth three-way valves, and the two fourth three-way valves are respectively set at the inlet ends of the condensers of the two heat pipe circulation loops, so that each The first port and the second port of the four-three-way valve are respectively communicated with the outlet end of the evaporator and the inlet end of the condenser in the corresponding heat pipe circulation loop, and the third port of each fourth three-way valve is connected with the compressor.
  • the outlet ends are connected, so that when the ambient temperature is lower than the set temperature, the first port and the second port of the two fourth three-way valves can be controlled by an electrical signal to be in a conducting state, and the third port is in a closed state, so that the thermal
  • the management device works in the heat pipe circulation mode, that is, the two heat pipe circulation loops work independently to reduce energy consumption while ensuring the heat exchange efficiency.
  • the two can be controlled by electrical signals.
  • the second port and the third port of the fourth three-way valve are in a conducting state, and the first port is in a closed state, which not only ensures that the thermal management device works in the compression refrigeration cycle mode, but also enables the compression refrigeration cycle to work independently, so that the The heat exchange efficiency is improved, and part of the high-pressure gas discharged from the compressor is effectively prevented from flowing back into the two evaporators through the high temperature sections of the two heat cycle circuits, ensuring the stable operation of the compression refrigeration cycle circuit.
  • the thermal management device further includes at least two fifth valves
  • One of the at least two fifth valves is arranged in the high temperature section of the first heat pipe circulation loop, the other of the at least two fifth valves is arranged in the high temperature section of the second heat pipe circulation loop, and each fifth valve is in communication between the first valve group and the second valve group.
  • the fifth valve is arranged in the high temperature section of the two heat pipe circulation loops, so that when the thermal management device is in the compression refrigeration cycle mode, the two fifth valves can be closed to block the high temperature of the two heat pipe circulation loops. This prevents part of the high-pressure gas discharged from the compressor from flowing back into the two evaporators through the high-temperature sections of the two thermal cycles, ensuring the stable operation of the compression refrigeration cycle.
  • each fifth valve is a fourth one-way valve, and among at least two fourth one-way valves, the inlet end of one fourth one-way valve is the same as the outlet of the first evaporator. end is communicated, wherein the outlet end of a fourth one-way valve is communicated with the inlet end of the first condenser;
  • the inlet end of the other fourth check valve communicates with the outlet end of the second evaporator, and the outlet end of the other fourth check valve communicates with the inlet end of the second condenser.
  • the fifth valve is set as the fourth one-way valve, so that when the thermal management device is in the heat pipe cycle mode, the two fourth one-way valves can be automatically turned on under the action of the steam pressure at the outlet of the evaporator , to achieve the stable operation of the two heat pipe circulation loops, and when the thermal management equipment is in the compression refrigeration cycle mode, the two fourth one-way valves can be automatically closed under the action of the pressure difference between the discharge pressure and the suction pressure of the compressor. It not only ensures that the high temperature sections of the two heat pipe circulation loops are automatically closed in the compression refrigeration mode, but also effectively simplifies the control procedure of the thermal management equipment and improves the working efficiency of the thermal management equipment.
  • the first valve group includes at least two fifth three-way valves
  • the first port of one of the fifth three-way valves is communicated with the outlet end of the first evaporator, and the second port of the one fifth three-way valve is communicated with the inlet end of the first condenser communication;
  • the first port of the other fifth three-way valve is communicated with the outlet end of the second evaporator, and the second port of the other fifth three-way valve is communicated with the inlet end of the second condenser;
  • each fifth three-way valve communicates with the inlet end of the compressor.
  • the first valve group is set as at least two fifth three-way valves, and the at least two fifth three-way valves are respectively set at the outlet ends of the evaporators of the two heat pipe circulation loops.
  • the first port and the second port of the five three-way valve are respectively connected with the outlet end of the evaporator and the inlet end of the condenser in the corresponding heat pipe circulation loop, and the third port of each fifth three-way valve is separated from gas and liquid
  • the inlet end of the valve is connected, so that when the ambient temperature is lower than the set temperature, the first port and the second port of the two fifth three-way valves can be controlled by an electrical signal to be in a conducting state, and the third port is in a closed state, so that
  • the thermal management device works in the heat pipe circulation mode, that is, the two heat pipe circulation loops work independently to reduce energy consumption while ensuring the heat exchange efficiency.
  • the ambient temperature When the ambient temperature is greater than or equal to the set temperature, it can be controlled by electrical signals
  • the first port and the third port of the two fifth three-way valves are in an on state, and the second port is in a closed state, so as to ensure that the steam discharged from the two evaporators enters the compressor, that is, to ensure that the thermal management equipment is in the compression state.
  • Work in refrigeration cycle mode to improve heat exchange efficiency.
  • the second valve group includes at least one sixth three-way valve, the first port of the sixth three-way valve communicates with the inlet end of the first condenser, and the second The port communicates with the inlet end of the second condenser, and the third port of the sixth three-way valve communicates with the outlet end of the compressor.
  • the switching state of the sixth three-way valve can be adjusted in time through an electrical signal, which not only ensures that when the ambient temperature is lower than the set temperature, the The sixth three-way valve is in the closed state, and when the ambient temperature is greater than or equal to the set temperature, the sixth three-way valve is in the conducting state, and the control accuracy and timeliness of the second valve group are improved, ensuring the The thermal management device of the application embodiment stably switches between the heat pipe cycle mode and the compression refrigeration cycle mode.
  • the second valve group includes at least two seventh three-way valves
  • the first port of one of the seventh three-way valves is in communication with the outlet end of the first evaporator, and the second port of the one seventh three-way valve is in communication with the inlet end of the first condenser communication, the first port of the other seventh three-way valve communicates with the outlet end of the second evaporator, and the second port of the other seventh three-way valve communicates with the inlet end of the second condenser;
  • each seventh three-way valve communicates with the outlet end of the compressor.
  • the second valve group is set as at least two seventh three-way valves, and the at least two seventh three-way valves are respectively set at the inlet ends of the condensers of the two heat pipe circulation loops.
  • the first port and the second port of the seven three-way valve are respectively communicated with the outlet end of the evaporator and the inlet end of the condenser in the corresponding heat pipe circulation loop, and the third port of each seventh three-way valve is connected with the compressor.
  • the outlet ends are connected, so that when the ambient temperature is lower than the set temperature, the first port and the second port of the two seventh three-way valves can be controlled by an electrical signal to be in a conducting state, and the third port is in a closed state, so that the thermal
  • the management device works in the heat pipe circulation mode, that is, the two heat pipe circulation loops work independently to reduce energy consumption while ensuring the heat exchange efficiency.
  • the two can be controlled by electrical signals.
  • the second port and the third port of the seventh three-way valve are in a conducting state, and the first port is in a closed state, which not only ensures that the thermal management device works in the compression refrigeration cycle mode, but also enables the compression refrigeration cycle to work independently, so that the The heat exchange efficiency is improved, and part of the high-pressure gas discharged from the compressor is effectively prevented from flowing back into the two evaporators through the high temperature sections of the two heat cycle circuits, ensuring the stable operation of the compression refrigeration cycle circuit.
  • the thermal management device further includes a gas-liquid separator, the inlet end of the gas-liquid separator is communicated with the first valve group, and the outlet end of the gas-liquid separator is communicated with the inlet end of the compressor, so as to It is ensured that the working medium entering the compressor is a gaseous working medium, thereby prolonging the service life of the compressor.
  • Embodiments of the present application further provide a heat dissipation system, including a system body, at least one heating device, and at least one thermal management device as described above. Connected to cool the heat-generating equipment.
  • the heat dissipation device in the system body can be dissipated by the above-mentioned thermal management device, and the secondary heat dissipation of the internal air of the heat dissipation system can be realized through two heat pipe circulation loops in a low temperature environment, thereby improving the heat dissipation.
  • the thermal management equipment can dissipate heat from the internal air of the cooling system through the compression refrigeration cycle with two side-by-side evaporators in a high temperature environment, thereby increasing the heat exchange area between the compression refrigeration cycle and the air inside the system.
  • the heat exchange efficiency of the thermal management equipment in a high temperature environment is improved, thereby realizing rapid cooling of the heating equipment and prolonging the service life of the heating equipment.
  • the embodiment of the present application also provides a working method of a thermal management device, and the working method is applied to the above thermal management device,
  • the first valve group and the second valve group of the thermal management device conduct the high temperature section in each heat pipe circulation loop, and close the first valve group and the second valve group.
  • a compressor is arranged between the valve groups.
  • the third valve of the heat management equipment is opened, the low temperature section of each heat pipe circulation loop is turned on, at least two throttling devices are closed, and at least two heat pipe circulation loops are in working state;
  • the first valve group and the second valve group conduct the pipeline with the compressor between the first valve group and the second valve group, and close the high temperature in the circulation loop of each heat pipe. section, and the compressor is turned on; at the same time, each third valve is closed, each throttling device is turned on, and the compression refrigeration cycle of the thermal management equipment is in a working state; wherein, the compression refrigeration cycle consists of at least a compressor and at least two parallel circuits.
  • the small sections are formed in series, and each small section is formed by at least one condenser, at least one throttling device and at least one evaporator in series.
  • the thermal management device by adjusting the switch states of the first valve group, the second valve group, and the at least two third valves, when the ambient temperature, such as the temperature in the outdoor cabinet, is lower than the set temperature , at least two heat pipe circulation loops are in a conducting state, and the compression refrigeration circulation loop formed by the compressor and at least two parallel small sections (each small section is formed by a condenser, a throttling device and an evaporator in series) is in a closed state, that is, It is ensured that in the low temperature environment, the heat exchange temperature difference of the thermal management equipment is increased through the two independent heat pipe circulation loops, and the secondary heat dissipation of the indoor air is realized, thereby improving the heat exchange efficiency of the thermal management equipment in the low temperature environment.
  • the two heat pipe circulation loops are in In the closed state, the compression refrigeration cycle formed by the compressor and at least two parallel small sections (each small section is formed by a condenser, a throttling device and an evaporator in series) is in a conducting state, that is, it is ensured that in a high temperature environment, by having At least two side-by-side compression refrigeration cycle circuits of evaporators and condensers can dissipate heat indoors.
  • the heat exchange area of the compression refrigeration cycle circuit is increased, thereby improving the thermal management equipment in high temperature environments. heat transfer efficiency.
  • FIG. 1 is a first structural schematic diagram of a thermal management device provided in Embodiment 1 of the present application;
  • FIG. 2 is a schematic structural diagram of a heat dissipation system provided in Embodiment 1 of the present application;
  • Fig. 3 is the structural representation of the heat pipe circulation loop in Fig. 1;
  • Fig. 4 is the structural representation of the compression refrigeration cycle circuit in Fig. 1;
  • FIG. 5 is a schematic diagram of a second structure of the thermal management device provided in Embodiment 1 of the present application.
  • FIG. 6 is a third schematic structural diagram of the thermal management device provided in Embodiment 1 of the present application.
  • FIG. 7 is a schematic diagram of a fourth structure of the thermal management device provided in Embodiment 1 of the present application.
  • FIG. 8 is a schematic structural diagram of a thermal management device provided in Embodiment 2 of the present application.
  • FIG. 9 is a first structural schematic diagram of the thermal management device provided in Embodiment 3 of the present application.
  • FIG. 10 is a schematic diagram of a second structure of the thermal management device provided in Embodiment 3 of the present application.
  • FIG. 11 is a third schematic structural diagram of the thermal management device provided in Embodiment 3 of the present application.
  • FIG. 12 is a schematic diagram of a fourth structure of the thermal management device provided in Embodiment 3 of the present application.
  • FIG. 13 is a schematic diagram of the first structure of the thermal management device provided in Embodiment 4 of the present application.
  • FIG. 14 is a schematic diagram of a second structure of the thermal management device provided in Embodiment 4 of the present application.
  • the outdoor cabinet or equipment room In order to dissipate heat from the base station equipment, power supply equipment and transmission equipment in the outdoor cabinet or the equipment room, and ensure the stable operation of each equipment, the outdoor cabinet or equipment room is usually equipped with refrigeration equipment, and the cooling equipment is used to cool the outdoor cabinet or equipment room. To prevent damage to various equipment due to high temperature.
  • the current refrigeration equipment is mainly compression refrigeration air conditioners and heat exchangers.
  • compression refrigeration air conditioners As the energy consumption of communication sites increases, the energy consumption of temperature control increases. It is of great significance to improve the energy efficiency of the temperature control system.
  • the energy consumption of outdoor cabinets or equipment rooms using compression refrigeration and air conditioners for heat dissipation is relatively high.
  • the use of heat exchangers has low heat dissipation and energy consumption, but cannot meet the temperature requirements of the air inlets of the equipment in high temperature environments.
  • the traditional refrigeration equipment also includes an integrated compressor refrigeration air conditioner and heat exchanger, which can work in the heat pipe cycle mode when the ambient temperature (ie, the temperature inside the outdoor cabinet or the equipment room) is low, and when the ambient temperature is high. It works in the compression refrigeration cycle mode, taking into account energy saving and meeting the requirements of high temperature environment.
  • an integrated compressor refrigeration air conditioner and heat exchanger which can work in the heat pipe cycle mode when the ambient temperature (ie, the temperature inside the outdoor cabinet or the equipment room) is low, and when the ambient temperature is high. It works in the compression refrigeration cycle mode, taking into account energy saving and meeting the requirements of high temperature environment.
  • the compression refrigeration air conditioner and heat exchanger integrated machine includes two mutually independent compression refrigeration cycle loops and heat pipe heat cycle loops.
  • the heat pipe circulation loop includes an evaporator and a condenser, the outlet end of the evaporator communicates with the inlet end of the condenser, the outlet end of the condenser communicates with the inlet end of the evaporator, and the evaporator and the condenser communicate to form a heat pipe
  • the vacuum tube shell of the heat pipe circulation loop is filled with working medium to realize heat exchange with the external air flow.
  • the pipeline between the outlet end of the evaporator and the inlet end of the condenser is the high temperature section
  • the pipeline between the outlet end of the condenser and the inlet end of the evaporator is the low temperature section.
  • the temperature of the working fluid in the high temperature section is higher than the temperature of the working fluid in the low temperature section.
  • the heat pipe circulation loop works, when the liquid working medium enters the evaporator, it will exchange heat with the inner circulating air flow in contact with the side wall of the evaporator.
  • the working medium absorbs heat and gasifies into steam, and enters the condenser through the high temperature section. Then, heat exchange occurs with the external circulating air flow on the side wall of the condenser, and the gaseous working medium is cooled and condensed into a liquid working medium, and then enters the evaporator through the low temperature section, and circulates in this way.
  • the inner circulating air in contact with the side wall of the evaporator transfers its own heat to the working medium in the evaporator, so that the inner circulating air is cooled and blown into the outdoor cabinet or machine room.
  • the low-temperature external circulation airflow passing through the side wall of the condenser absorbs heat and then is discharged to the outside of the outdoor cabinet or equipment room.
  • the internal circulating airflow refers to the airflow inside the outdoor cabinet or the equipment room
  • the external circulating airflow refers to the airflow outside the outdoor cabinet or the equipment room.
  • the refrigeration equipment has an internal circulation air inlet (also known as a return air outlet) and an internal circulation air outlet (also known as a supply air outlet) that communicate with the outdoor cabinet or the inside of the equipment room, and an external circulation inlet that communicates with the outside of the outdoor cabinet or equipment room. Air outlet and external circulation air outlet.
  • the internal circulation air enters the refrigeration equipment from the internal circulation air inlet of the refrigeration equipment, contacts with the evaporator, and achieves heat exchange with the working medium in the evaporator, and then enters the outdoor cabinet or machine room from the internal circulation air outlet.
  • the electronic equipment is cooled, and the external circulation air enters the refrigeration equipment from the external circulation air inlet of the refrigeration equipment, contacts with the condenser, and realizes heat exchange with the working medium in the condenser, and then is discharged from the external circulation air outlet to the outdoor cabinet or computer room. external.
  • the compression refrigeration cycle includes an evaporator, a gas-liquid separator, a compressor, a condenser and a throttling device that are connected in series.
  • the compressor compresses the working medium into a high-pressure gaseous working medium.
  • This gaseous working medium passes through the condenser and exchanges heat with the external circulating air flow and then condenses into a liquid working medium.
  • the liquid working medium is cooled down by the throttling device. After pressing, it is passed into the evaporator to exchange heat with the required cooling medium such as the internal circulating airflow, that is, after absorbing the heat of the internal circulating airflow, it evaporates into a gaseous working medium, and enters the gas-liquid separator. After the gas-liquid separation, The gaseous working medium continues to enter the compressor for compression, and so on.
  • the inner circulating air in contact with the side wall of the evaporator transfers its own heat to the working medium in the evaporator, so that the inner circulating air is cooled and blown into the outdoor cabinet or machine room.
  • the low-temperature external circulation airflow passing through the side wall of the condenser absorbs heat and then is discharged to the outside of the outdoor cabinet or equipment room.
  • the heat exchanger that is, the heat pipe circulation loop
  • the heat pipe circulation loop is in a ready-to-work state at any time, and only when the temperature of the inner circulating air (airflow in the outdoor cabinet or the machine room) is higher than the temperature of the outer circulating air , the heat pipe circulation loop can be in a working state; and when the temperature of the inner circulating air (airflow in the outdoor cabinet or the machine room) is higher than the set temperature of the compression refrigeration circulation loop, the compression refrigeration circulation loop will start to work, that is, It is said that the traditional integrated compressor refrigeration air conditioner and heat exchanger works in the heat pipe cycle mode when the ambient temperature is low, and works in the compression refrigeration cycle mode when the ambient temperature is high.
  • the ambient temperature includes but is not limited to the air temperature outside the computer room or outdoor cabinet, the air temperature in the computer room or outdoor cabinet, the temperature of the air return port of the refrigeration equipment, the temperature of the air supply port of the refrigeration equipment, the temperature of the air inlet of the electronic equipment in the computer room or the outdoor cabinet, Air outlet temperature of electronic equipment and surface temperature of electronic equipment.
  • the ambient temperature also includes the calculated values of multiple temperatures collected at any location or the calculated values of multiple temperatures collected at different locations.
  • the temperature of the air return port of the refrigeration equipment refers to the temperature of the air outlet of the internal circulating airflow in the refrigeration equipment, and the air outlet of the internal circulating airflow is communicated with the inside of the equipment room or the outdoor cabinet.
  • the air outlet temperature of the cooling equipment refers to the temperature of the air outlet of the external circulation air.
  • the air outlet of the external circulation air is connected to the outside of the equipment room or outdoor cabinet.
  • the compression refrigeration cycle and the heat pipe cycle in the above-mentioned integrated compressor refrigeration air conditioner and heat exchanger are independent of each other, that is, there are two sets of evaporators and two sets of condensers.
  • the compression refrigeration cycle mode when working in the compression refrigeration cycle mode, only one set of evaporators is used.
  • the compressor and a group of condensers work, that is, the compression refrigeration cycle mode is a single-loop cycle, and the heat exchange efficiency is low.
  • the heat pipe cycle mode only one group of evaporators and condensers work, that is, the heat pipe cycle
  • the mode is also a single-loop cycle, and the heat exchange efficiency is low.
  • the evaporator and condenser on the compression refrigeration cycle circuit do not work, and at the same time, the resistance of the internal and external circulation air flow will be increased, thereby reducing the heat exchange efficiency.
  • the thermal management device and the working method thereof provided by the embodiments of the present application, by setting at least two heat pipe circulation loops, and arranging the evaporators and condensers of the at least two heat pipe circulation loops side by side, respectively, A first valve group and a second valve group are respectively set at the outlet end of the condenser and the inlet ends of the two condensers, and a gas-liquid separator and a compressor are connected in series between the first valve group and the second valve group, and the gas-liquid separator is connected in series.
  • the separator and compressor are arranged in parallel with the high temperature section of any heat pipe circulation loop, and at the same time, a throttling device is respectively set in the low temperature section of the two heat pipe circulation loops, and a third valve is connected in parallel with each throttling device, so that, By adjusting the switch states of the first valve group, the second valve group and the two third valves, when the ambient temperature, such as the temperature in the outdoor cabinet, is lower than the set temperature, the two heat pipe circulation loops are in a conducting state, and the gas
  • the compression refrigeration cycle formed by the liquid separator, compressor, and two parallel small sections (each small section is formed by a condenser, a throttling device and an evaporator in series) is in a closed state, that is, it is ensured that in a low temperature environment, through the two
  • the independent heat pipe circulation loop increases the heat exchange temperature difference of the thermal management equipment, realizes the secondary heat dissipation of the indoor air, and improves the heat exchange efficiency of the thermal
  • the two heat pipe circulation loops are closed state, the compression refrigeration cycle formed by the gas-liquid separator, the compressor, and two parallel small sections (each small section is formed by a condenser, a throttling device and an evaporator in series) is in a conducting state, that is, it is guaranteed to be in a high temperature environment.
  • the indoor heat dissipation is realized through a compression refrigeration cycle with two side-by-side evaporators and condensers.
  • the thermal management device of the embodiment of the present application realizes the functions of two sets of evaporators and two sets of condensers in two cycle modes, fully utilizes the devices of two cycle loops, and effectively improves the thermal management device in any mode. lower heat transfer efficiency.
  • FIG. 1 is a first structural schematic diagram of the thermal management device provided in Embodiment 1 of the present application.
  • an embodiment of the present application provides a thermal management device 13 , including a compressor 500 , at least two throttling devices 600 , a first valve group 200 , a second valve group 300 , and at least two third Valve 700 and at least two heat pipe circulation loops 100 .
  • FIG. 2 is a schematic structural diagram of a heat dissipation system provided in Embodiment 1 of the present application.
  • the thermal management device 13 in the embodiment of the present application is used to dissipate heat from the heat generating device 12 in the heat dissipation system 10 .
  • the thermal management device 13 in the embodiment of the present application includes an inner circulation air inlet (also known as a return air outlet) and an inner circulation air outlet (also known as an air supply outlet) that are communicated with the interior of the cooling system 10, and an outdoor cabinet or a computer room, etc.
  • the external circulation air inlet and the external circulation air outlet communicate with the outside of the heat dissipation system 10 .
  • the air inside the system body 11 of the heat dissipation system 10, that is, the internal circulating air flow c enters the thermal management device 13 of the embodiment of the present application from the air return port, and after heat exchange is performed through the heat pipe circulation loop 100 in the thermal management device 13, The air is discharged into the internal space of the system body 11 from the air outlet to cool down the heating device 12 in the system body 11 .
  • the air outside the heat dissipation system 10, that is, the external circulation air flow d enters the thermal management device 13 from the external circulation air inlet, exchanges heat with the heat pipe circulation loop 100, and then discharges the heat dissipation system 10 and the thermal management device from the external circulation air outlet. 13's exterior.
  • the heat dissipation system 10 in the embodiment of the present application includes but is not limited to any one of an outdoor cabinet, a machine room, and a vehicle.
  • the heating device 12 includes but is not limited to any one of base station equipment, power supply equipment, storage battery, transmission equipment, and driving equipment. Taking an outdoor cabinet as an example, the heating device 12 may be a device that generates heat during operation, such as base station equipment, power supply equipment, storage battery, or transmission equipment located in the outdoor cabinet body.
  • FIG. 3 is a schematic structural diagram of the heat pipe circulation loop in FIG. 1 .
  • each heat pipe circulation loop 100 includes an evaporator 110 and a condenser 120 , and the outlet end of the evaporator 110 and the inlet end of the condenser 120 are connected through a pipeline, and the condensation The outlet end of the evaporator 120 is communicated with the inlet end of the evaporator 110 through a pipeline, the evaporator 110 and the condenser 120 are communicated to form a heat pipe circulation loop 100, and the vacuum tube shell of the heat pipe circulation loop 100 is filled with working substances (below). Both are referred to as working fluids), which are used for heat exchange with the external airflow.
  • the pipeline between the outlet end of the condenser 120 and the inlet end of the evaporator 110 is the low temperature section a of the heat pipe circulation loop 100
  • the pipeline between the outlet end of the evaporator 110 and the inlet end of the condenser 120 is the heat pipe The high temperature section b of the circulation loop 100. It can be understood that the temperature of the working fluid in the high temperature section b is greater than the temperature of the working fluid in the low temperature section a.
  • the condenser 120 After absorbing the heat of the inner circulating airflow c, it is gasified into steam, that is, a gaseous working medium, and the gaseous working medium then enters the condenser 120 through the high temperature section b, and exchanges heat with the low-temperature outer circulating airflow d on the side wall of the condenser 120, That is, the heat of the gaseous working medium is transferred to the external circulating air flow d, the gaseous working medium is cooled and condensed into a liquid working medium, and then enters the evaporator 110 through the low temperature section a, and the cycle is repeated.
  • the inner circulating airflow c in contact with the side wall of the evaporator 110 transfers its own heat to the working fluid in the evaporator 110, so that the inner circulating airflow c is cooled down and blown into the room, such as In an outdoor cabinet or a computer room, the low-temperature external circulation airflow d passing through the side wall of the condenser 120 absorbs heat and then is discharged to the outdoors, for example, outside the outdoor cabinet or computer room.
  • the internal circulating air c enters the interior of the thermal management device 13 from the return air outlet, contacts with the evaporator 110, and realizes heat exchange with the working medium in the evaporator 110, and then enters the interior of the heat dissipation system 10 such as an outdoor cabinet or a computer room from the air supply port.
  • the external circulation air d enters the thermal management equipment 13 from the external circulation air inlet of the thermal management equipment 13, contacts the condenser 120, and realizes heat exchange with the working fluid in the condenser 120. Then, it is discharged from the external circulation air outlet to the outdoor cabinet or the outside of the equipment room.
  • the heat pipe circulation loop 100 in the embodiment of the present application may include, but is not limited to, any one of a gravity heat pipe circulation loop, a pump-driven heat pipe loop, and a capillary force-driven heat pipe loop, which can improve the flexibility of setting the heat pipe circulation loop 100 sex.
  • the heat pipe circulation loop 100 when the heat pipe circulation loop 100 is set as a gravity heat pipe circulation loop, the working medium located in the high temperature section b of the heat pipe circulation loop 100 will enter the evaporator 110 in the low temperature section a under the action of gravity after being cooled by the condenser 120 , thereby saving the energy consumption of the heat pipe circulation loop 100 .
  • the embodiment of the present application uses two heat pipe circulation loops 100 as an example for description, wherein the two heat pipe circulation loops 100 include a first heat pipe circulation loop 101 and a second heat pipe circulation loop 102 .
  • the first heat pipe circulation loop 101 includes a first evaporator 111 and a first condenser 121
  • the second heat pipe circulation loop 102 includes a second evaporator 112 and a second condenser 122 .
  • the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 are nested together, and the evaporators 110 and the condensers 120 of the two heat pipe circulation loops 100 are arranged side by side, for example, the first evaporator 111 and the second evaporator 112 are arranged side by side, and the first condenser 121 and the second condenser 122 are arranged side by side.
  • the two heat pipe circulation loops 100 in this embodiment of the present application are arranged independently of each other, and one of them is a low-temperature loop and the other is a high-temperature loop.
  • the embodiment is specifically described by taking the first heat pipe circulation loop 101 as a high temperature loop and the second heat pipe circulation loop 102 as a low temperature loop as an example.
  • the two evaporators 110 in the embodiment of the present application are arranged side by side in a direction perpendicular to the flow direction of the working medium in the evaporator 110 .
  • the first evaporator 111 and the second evaporator 112 may be arranged side by side in a horizontal direction (as shown in the x direction in FIG. 1 ), for example, the first evaporator 111 is located on the left side, and the second evaporator 112 is located on the left side.
  • the outlet ends of the first evaporator 111 and the second evaporator 112 are both facing upward (as shown in the y direction in FIG. 1 ), and the inlet ends of the first evaporator 111 and the second evaporator 112 are both facing downward ( shown in the opposite direction of the y direction in Figure 1).
  • two condensers 120 such as the first condenser 121 and the second condenser 122 may be arranged side by side in a horizontal direction (as shown in the x direction in FIG. 1 ), for example, the first condenser 121 is located on the left side, and the second condenser 121 is located on the left side.
  • the condenser 122 is located on the right side, and the inlet ends of the first condenser 121 and the second condenser 122 are both facing upward (as shown in the y direction in FIG. 1 ), and the outlet ends of the first condenser 121 and the second condenser 122 All face down (as shown in the opposite direction of the y direction in Figure 1).
  • each heat pipe circulation loop 100 is a gravity heat pipe circulation loop
  • the arrangement of the two evaporators 110 and the two condensers 120 is the arrangement of the above example.
  • the two evaporators 110 such as the first evaporator 111 and the second evaporator 112 may be arranged side by side in a vertical direction (as shown in the y direction in FIG. 1 ), for example, the first evaporator 111 is located at On the upper side, the second evaporator 112 is located on the lower side, and the outlet ends of the first evaporator 111 and the second evaporator 112 are both facing to the right (as shown in the x direction in FIG. 1 ), the first evaporator 111 and the second evaporator 111 The inlet ends of the filters 112 are all facing left (as shown in the opposite direction of the x-direction in FIG. 1 ).
  • two condensers 120 such as the first condenser 121 and the second condenser 122, may be arranged side by side in a vertical direction (as shown in the y direction in FIG. 1), and the first condenser 121 and the second condenser
  • the inlet ends of the first condenser 121 and the second condenser 122 are both directed to the right (as shown in the x-direction in FIG. 1 ), and the outlet ends of the first condenser 121 and the second condenser 122 are both directed to the left (as shown in the opposite direction of the x-direction in FIG. 1 ).
  • the temperature of the working medium in the high temperature loop is lower than that of the working medium in the high temperature loop, that is, the working medium in the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 have a temperature difference.
  • the inner circulating air flow c when the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 work at the same time, after the two working fluids with different temperatures enter the first evaporator 111 and the second evaporator 112 respectively, the inner circulating air flow c first
  • the first evaporator 111 on the high temperature circuit exchanges heat with the working medium in the first evaporator 111, so that the inner circulating air flow c is cooled for the first time, and the cooled inner circulating air flow c passes through the low temperature circuit.
  • the second evaporator 112 continues to exchange heat with the working medium in the second evaporator 112, so that the inner circulating airflow c is cooled for the second time, and the inner circulating airflow c after the secondary cooling enters the cooling system 10 from the air supply port. Inside the system body 11 , the heating device 12 in the system body 11 is cooled.
  • the secondary cooling of the inner circulating airflow c is realized, and the heat exchange temperature difference between the working fluid in the evaporator 110 and the inner circulating airflow c in the thermal management equipment 13 is increased, thereby improving the thermal management equipment 13.
  • the heat dissipation efficiency for heat generating equipment 12 such as outdoor cabinets or power supply equipment in the equipment room.
  • the gaseous working medium evaporated by the first evaporator 111 enters the first condenser 121, and at the same time, after the gaseous working medium evaporated in the second evaporator 112 enters the second condenser 122, the external circulating air flow d first passes through the low temperature circuit
  • the second condenser 122 on the upper part exchanges heat with the working medium in the second condenser 122, so that the outer circulation air flow d is heated for the first time, and the heated outer circulation air flow d is condensed by the first condensate on the high temperature circuit.
  • the condenser 121 continues heat exchange with the working medium in the first condenser 121, so that the outer circulation air flow d is heated for the second time, and the heated outer circulation air flow d is discharged from the outer circulation air outlet of the thermal management device 13 to the The thermal management device 13 and the exterior of the cooling system 10 .
  • the secondary temperature rise of the outer circulating air flow d is realized, in other words, the condensation of the working fluid in the two condensers 120 by the outer circulating air flow d is realized.
  • the outlet end of the first evaporator 111 and the outlet end of the second evaporator 112 in the embodiment of the present application are jointly connected to the first valve group 200 , the inlet end of the first condenser 121 and the second condenser 122
  • the inlet end of the compressor 500 is connected to the second valve group 300 together, and the compressor 500 is connected in series between the first valve group 200 and the second valve group 300.
  • the inlet end of the compressor 500 is communicated with the first valve group 200, and the compressor
  • the outlet end of 500 is communicated with the second valve group 300, and the compressor 500 is arranged in parallel with the high temperature section b of each heat pipe circulation loop 100.
  • the pipeline section between the evaporator 110 and the condenser 120 is arranged in parallel, instead of being arranged on the pipeline between the evaporator 110 and the condenser 120 in any heat pipe circulation loop 100, that is to say, two heat pipe circulation
  • the high temperature section b of the circuit 100 and the pipeline section where the compressor 500 is located are two independent pipelines.
  • the thermal management device 13 can adjust the switch states of the first valve group 200 and the second valve group 300 during specific operation, so that the high temperature section b of the first heat pipe circulation loop 101 and the high temperature section of the second heat pipe circulation loop 102 b are all turned on, so that the pipeline section formed by the compressor 500 is closed, that is, the first evaporator 111 enters the first condenser 121 through the high temperature section b of the first heat pipe circulation loop 101, and the second evaporator 111
  • the working fluid in 112 enters the second condenser 120 through the high temperature section b of the second heat pipe circulation loop 102 (as shown in FIG. 3 ).
  • FIG. 4 is a schematic structural diagram of the compression refrigeration cycle in FIG. 1 .
  • the switch states of the first valve group 200 and the second valve group 300 can also be adjusted so that the high temperature section b of the first heat pipe circulation loop 101 and the high temperature of the second heat pipe circulation loop 102 Section b is closed, so that the pipeline section formed by the compressor 500 is connected, that is to say, the working medium in the first evaporator 111 and the working medium in the second evaporator 112 both enter the compressor 500, After being compressed, a high-pressure gaseous working medium is formed, and enters the first condenser 121 and the second condenser 122 respectively.
  • At least two throttling devices 600 in the embodiment of the present application are respectively connected in series between the outlet ends of the two condensers 120 and the inlet ends of the evaporator 110 , that is, the two throttling devices 600 are respectively connected in series with two The low temperature section a of the heat pipe circulation loop 100 .
  • the at least two throttle devices 600 in the embodiment of the present application include a first throttle device 610 and a second throttle device 620 .
  • the inlet end of the first throttling device 610 is communicated with the outlet end of the first condenser 121
  • the outlet end of the first throttling device 610 is communicated with the inlet end of the first evaporator 111
  • the second throttling device The inlet end of 620 communicates with the outlet end of the second condenser 122
  • the outlet end of the second throttling device 620 communicates with the inlet end of the second evaporator 112 .
  • At least two third valves 700 are respectively arranged in parallel with the two throttling devices 600 .
  • the two third valves 700 is connected to the first throttling device 610 .
  • the other one of the two third valves 700 is arranged in parallel with the second throttling device 620, so that the two third valves 700 can be turned on, so that the liquid working medium in the two condensers 120 passes through the two condensers 120 respectively.
  • the third valve 700 enters the two evaporators 110, for example, when the two third valves 700 are turned on, the liquid working medium in the first condenser 121 enters the first evaporator 111 from one of the third valves 700, and the first The liquid working substance in the second condenser 122 enters the second evaporator 112 from another third valve 700 . Meanwhile, by closing the two third valves 700 , the liquid working medium in the two condensers 120 can enter the two evaporators 110 through the two throttling devices 600 respectively (as shown in FIG. 4 ).
  • the pipelines between the two condensers 120 and the two evaporators 110 can be regarded as simple pipelines.
  • the liquid working medium in the evaporators 120 can directly enter the respective evaporators 110 through pipes.
  • the third valve 700 may be a solenoid valve, in this way, the on-off state of the third valve 700 can be controlled by a signal to improve the control efficiency of the third valve 700, thereby improving the working efficiency of the thermal management device 13 .
  • the throttling device 600 in this embodiment of the present application may include, but is not limited to, any one of a capillary tube, a thermal expansion valve, and an electronic expansion valve.
  • the specific structure and working principle of the compressor 500 in the embodiment of the present application can be directly referred to in the prior art, which will not be repeated here.
  • the compressor 500 , at least two condensers 120 , at least two throttling devices 600 and at least two evaporators 110 form a compression refrigeration cycle.
  • two condensers 120 , two throttling devices 600 and two evaporators 110 as an example, two condensers 120 , two throttling devices 600 , and one condenser 120 and one throttling device among the two evaporators 110
  • the device 600 and an evaporator 110 are connected in series to form a small section.
  • the first condenser 121, the first throttle device 610 and the first evaporator 111 are connected in series to form one of the small sections.
  • the device 620 and the second evaporator 112 are connected in series to form another small section, and the above two small sections are connected in parallel between the outlet end and the inlet end of the compressor 500 .
  • the inlet ends of the above two small sections that is, the inlet end of the first condenser 121 and the inlet end of the second condenser 122, are both communicated with the outlet end of the compressor 500, and the outlet ends of the two small sections are the first evaporator.
  • the outlet end of 111 and the outlet end of the second evaporator 112 are both communicated with the inlet end of the compressor 500, so that the compressor 500 and the two parallel small sections together form a compression refrigeration cycle.
  • the working fluid when the compression refrigeration cycle works, the working fluid will form a cycle between the compressor 500 and two parallel small sections (each small section is formed by the condenser 120, the throttling device 600 and the evaporator 110 in series)
  • the working fluid will enter the first condenser 121 and the second condenser 122 from the outlet end of the compressor 600 respectively, and then enter the first throttling device from the first condenser 121 and the second condenser 122 respectively 610 and the second throttling device 620, and then enter the first evaporator 111 and the second evaporator 112 from the first throttling device 610 and the second throttling device 620, respectively, and finally enter the first evaporator 111 and the second evaporator 112 from the first evaporator 111 and the second evaporator.
  • the high-temperature and high-pressure working fluid discharged from the outlet end of the compressor 500 will enter the two condensers 120 , the two throttling devices 600 and the two evaporators 110 respectively, then The temperatures of the working fluids in the two condensers 120 are equal, and similarly, the temperatures of the working fluids in the two evaporators 110 are also equal.
  • the internal circulating airflow c can exchange heat with the internal working fluid through the two evaporators 110, which increases the heat exchange area between the internal circulating airflow c and the low-temperature working fluid in the compression refrigeration cycle mode compared to the conventional technology,
  • the heat dissipation efficiency of the compression refrigeration cycle circuit to the heating equipment 12 such as an outdoor cabinet or the base station equipment in the equipment room is improved.
  • the external circulating air flow d can continue to exchange heat with the high-temperature working medium through the two condensers 120 on the high-temperature circuit 102.
  • the conventional technology increases the heat exchange area between the outer circulating airflow and the high-temperature working fluid in the compression refrigeration cycle mode, in other words, the condensation of the working fluid in the two condensers 120 by the outer circulating airflow d is realized.
  • the liquid working medium flowing out of the first condenser 121 and the second condenser 122 will be cooled and depressurized through the first throttling device 610 and the second throttling device 620 respectively, so that the cooled and depressurized liquid working medium reaches the After entering the first evaporator 111 and the second evaporator 112 , the temperature of the internal circulating airflow c can be effectively lowered.
  • the embodiment of the present application also provides a working method of the thermal management device 13, and the working method is as follows:
  • each third valve 700 is opened, the low temperature section a of each heat pipe circulation loop 100 is turned on, and each throttling device 600 is closed.
  • At least two heat pipe circulation loops 100 are in the working state, and the compression refrigeration circulation loop is in the closed state, that is, the thermal management device 13 is working in the heat pipe circulation mode, that is, the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 complete the heat dissipation
  • the system 10 dissipates heat from electronic equipment such as an outdoor cabinet.
  • the ambient temperature in this embodiment of the present application includes, but is not limited to, the air temperature in the system body 11 of the cooling system 10 , such as the air temperature in the computer room or the outdoor cabinet, the temperature of the return air outlet of the thermal management device 13 , and the temperature of the thermal management device 13 .
  • the ambient temperature also includes the calculated values of multiple temperatures collected at any location or the calculated values of multiple temperatures collected at different locations.
  • the set temperature refers to the starting temperature set inside the compression refrigeration cycle, that is, when the ambient temperature is higher than the set temperature, the compressor 500 is turned on, and the compression refrigeration cycle starts to work.
  • the set temperature in the embodiment of the present application can be adjusted according to actual requirements.
  • the set temperature may be above 35°C, for example, the set temperature may be suitable temperature values such as 35°C, 40°C, and 45°C.
  • the first valve group 200 and the second valve group 300 are adjusted to ensure the high temperature section b between the first evaporator 111 and the first condenser 121 and the second The high temperature section b between the evaporator 112 and the second condenser 122 is in a conducting state, and the pipeline section where the compressor 500 is located is in a closed state, and at the same time, the compressor 500 is closed, and the two third valves 700 are opened, so that the first The low temperature section a between the outlet end of the first condenser 121 and the inlet end of the first evaporator 111 and the low temperature section a between the outlet end of the second condenser 122 and the inlet end of the second evaporator 112 are all in conduction In this state, the conduction of the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 is completed, and the compression refrigeration circulation loop is closed.
  • the liquid working medium in the first evaporator 111 is evaporated into a gaseous working medium after exchanging heat with the inner circulating air flow c, and enters the first condenser 121 through the high temperature section b of the first heat pipe circulation loop 101.
  • the liquid working medium in the second steam 112 exchanges heat with the inner circulating air flow c and evaporates into a gaseous working medium, and enters the second condenser 122 through the high temperature section b of the second heat pipe circulation loop 102 to exchange heat with the outer circulating air flow d
  • the liquid working medium then enters the first evaporator 111 and the second evaporator 112 from the respective pipes, so that the working medium circulates in the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 , so that the secondary heat dissipation to the heating device 12 is completed in the heat pipe circulation mode.
  • the first valve group 200 and the second valve group 300 are adjusted to conduct the pipeline section where the compressor 500 is located, and close each heat pipe circulation loop 100.
  • the compressor 500 and each throttling device 600 are opened, and each third valve 700 is closed, so as to conduct the compression refrigeration cycle, close each heat pipe cycle 100, and the compression refrigeration cycle is in a working state, That is, the thermal management device 13 operates in the compression refrigeration cycle mode.
  • the first valve group 200 and the second valve group 300 are adjusted to ensure the temperature between the first evaporator 111 and the first condenser 121.
  • the high temperature section b and the high temperature section b between the second evaporator 112 and the second condenser 122 are in a closed state, and ensure that the pipeline section where the compressor 500 is located is in a conducting state, and simultaneously open the compressor 500 and the first throttle
  • the device 610 and the second throttling device 620 close the two third valves 700 so that the gaseous working medium in the first evaporator 111 and the first evaporator 112 enters the first condenser 121 and the second condenser through the compressor 500 In 122, it is condensed into a liquid working medium after exchanging heat with the external circulating air flow d, and the liquid working medium then enters the first throttling device 610 and the second throttling device 610, and the liquid working medium after being depressurized by the first throttling device 610.
  • the working medium enters the first evaporator 111, the liquid working medium after being depressurized by the second throttling device 610 enters the second evaporator 112, and the working medium in the last two evaporators 110 exchanges heat with the internal circulating airflow c and continues to enter In the compressor 500 , the working medium is made to circulate and flow in the entire compression refrigeration cycle, so that the heat dissipation of the heating device 12 in the heat dissipation system 10 is completed in the compression refrigeration cycle mode.
  • the thermal management device 13 provided by the embodiment of the present application can adjust the switching states of the first valve group 200 , the second valve group 300 and the two third valves 700 in a low temperature environment, so that the two heat pipe circulation loops are 100 realizes secondary heat dissipation for indoor air, which improves the heat exchange efficiency of the thermal management device 13 in a low temperature environment compared to the traditional technology.
  • the two heat pipes circulate The circuit 100 is in a closed state, and the compression refrigeration cycle formed by the compressor 500 and two parallel sections (each section is formed by the condenser 120, the throttling device 600 and the evaporator 110 in series) is in a conducting state, that is, it is guaranteed that the In a high temperature environment, the indoor heat dissipation is realized by a compression refrigeration cycle with two parallel evaporators 110 and condensers 120 .
  • the heat exchange area of the thermal management device 13 in the compression refrigeration cycle mode is increased, thereby improving the heat exchange efficiency of the thermal management device 13 in a high temperature environment.
  • the thermal management device 13 of the embodiment of the present application enables the two sets of evaporators 110 and the two sets of condensers 120 to function in two circulation modes, making full use of the equipment of the two circulation loops, and effectively improving the thermal management device 13 . Heat transfer efficiency in any mode.
  • the thermal management device 13 of the embodiment of the present application may further include a gas-liquid separator 400 , the inlet end of the gas-liquid separator 400 is communicated with the first valve group 200 , and the gas-liquid separator 400 The outlet end communicates with the inlet end of the compressor 500, so that the gas-liquid separator 400, the compressor 500 and two parallel small sections (each small section includes the condenser 120, the throttling device 600 and the evaporator 110 in series) form Compression refrigeration cycle.
  • the first valve group 200 and the second valve group 300 are adjusted to ensure the temperature between the first evaporator 111 and the first condenser 121.
  • the high temperature section b and the high temperature section b between the second evaporator 112 and the second condenser 122 are in a closed state, and ensure that the pipeline section where the gas-liquid separator 400 and the compressor 500 are located is in a conducting state, and the compressor is turned on at the same time 500, the first throttling device 610 and the second throttling device 620, close the two third valves 700, so that the gaseous working medium in the first evaporator 111 and the first evaporator 112 pass through the gas-liquid separator 400 and the compressor in turn.
  • the machine 500 enters the first condenser 121 and the second condenser 122, and is condensed into a liquid working medium after heat exchange with the external circulating air flow d, and the liquid working medium then enters the first throttling device 610 and the second throttling device 610,
  • the liquid working medium depressurized by the first throttling device 610 enters the first evaporator 111
  • the liquid working medium depressurized by the second throttling device 610 enters the second evaporator 112
  • the last two evaporators 110 After exchanging heat with the internal circulating airflow c, the working fluid continues to enter the gas-liquid separator 400 and the compressor 500, so that the working fluid circulates in the entire compression refrigeration cycle, thereby completing the cooling system 10 in the compression refrigeration cycle mode.
  • Heat dissipation of the heat generating device 12 is the first condenser 121 and the second condenser 122, and is condensed into a liquid working medium after heat exchange
  • the gas-liquid separator 400 is used to separate the gaseous working medium and the liquid working medium in the working medium discharged from the evaporator 110, and pass the gaseous working medium into the compressor 500, so as to ensure that the liquid working medium will not compress the compressor.
  • the compressor 500 is damaged and the service life of the compressor 500 is prolonged.
  • two heat pipe circulation loops 100 are taken as an example to describe the structure of the thermal management device 13 .
  • the number of heat pipe circulation loops 100 may also be three or more, so that when the ambient temperature is lower than the set temperature, the evaporators 110 side by side in the plurality of heat pipe circulation loops 100 can affect the heat dissipation in the heat dissipation system 10.
  • the air performs multi-stage heat dissipation, thereby improving the heat dissipation efficiency of the heat management device 13 to the heat generating device 12 in the heat dissipation system 10 .
  • the air in the heat dissipation system 10 is radiated by the plurality of evaporators 110, which increases the heat exchange area of the thermal management device 13 in the compression refrigeration cycle mode, thereby improving the heat dissipation capacity.
  • the heat dissipation efficiency of the heat generating device 12 in the system 10 is improved.
  • FIG. 5 is a schematic diagram of a second structure of the thermal management device provided in Embodiment 1 of the present application
  • FIG. 6 is a schematic diagram of a third structure of the thermal management device provided by Embodiment 1 of the present application
  • FIG. 7 is provided by Embodiment 1 of the present application.
  • the first valve group 200 in the embodiment of the present application may include at least one first one-way valve 210, the inlet end of the first one-way valve 210 and the evaporator on the low temperature circuit 110 is connected to the outlet end of the second evaporator 112, the outlet end of the first check valve 210 is connected to the evaporator 110 on the high temperature circuit, that is, the outlet end of the first evaporator 111, and the inlet end of the compressor 500 is connected to the first unit. It communicates with the outlet end of the valve 210 .
  • the inlet end of the gas-liquid separator 400 is communicated with the outlet end of the first one-way valve 210 .
  • the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 are in the working state, that is, in the heat pipe circulation mode, because the first check valve 210 points from the low temperature loop to the high temperature loop, that is, the inlet end of the first check valve 210 If the pressure is lower than the pressure at the outlet end, the first one-way valve 210 is reverse-checked, that is, the first one-way valve 210 is closed in the heat pipe cycle mode, so that the first evaporator 111 and the second evaporator can be guaranteed.
  • the gaseous working medium discharged from the condenser 112 enters the corresponding condenser 120 through the respective high temperature section b, wherein the first evaporator 111 enters the first condenser 121 through the high temperature section b of the first heat pipe circulation loop 101, and the second evaporator 112 enters the second condenser 122 through the high temperature section b of the second heat pipe circulation loop 102 .
  • the first one-way valve 210 is automatically closed, thereby not only ensuring that the two heat pipe circulation loops 100 are independent of each other in the heat pipe circulation mode, but also the first one-way valve 210 is effectively closed in the heat pipe circulation mode.
  • the control efficiency of the entire thermal management device 13 is improved.
  • the pressure at the outlet end of the first check valve 210 is lower than the pressure at the inlet end due to the suction pressure of the compressor 500, so that the first check valve 210 is automatically turned on to ensure that the working fluid in the two evaporators 110 can enter the gas-liquid separator 400 and the compressor 500, so as to not only ensure the heat exchange efficiency in the compression refrigeration cycle mode, but also the first one-way valve 210.
  • the automatic conduction in the compression refrigeration cycle mode effectively improves the control efficiency of the entire thermal management device 13 .
  • the second valve group 300 in the embodiment of the present application may include at least one second one-way valve 310 , where one second one-way valve 310 is the
  • the inlet end of the second check valve 310 is communicated with the condenser 120 on the low temperature circuit, namely the inlet end of the second condenser 122, and the outlet end of the second check valve 310 is connected with the condenser 120 on the high temperature circuit, namely the first condenser 122.
  • the inlet end of a condenser 121 is communicated with, and the outlet end of the compressor 500 is communicated with the inlet end of the second one-way valve 310 .
  • the second one-way valve 310 points from the low temperature circuit to the high temperature circuit, that is, the inlet end of the second one-way valve 310 If the pressure is lower than the pressure at the outlet end, the second one-way valve 310 is reverse-checked, that is, the second one-way valve 310 is automatically closed, while ensuring that the working fluid in the high temperature section b of the low temperature circuit will not enter the high temperature circuit.
  • the second one-way valve 310 is automatically closed in the heat pipe circulation mode, which effectively improves the control efficiency of the entire thermal management device 13. .
  • the pressure at the inlet end of the second check valve 310 is greater than the pressure at the outlet end due to the discharge pressure of the compressor 500, thereby ensuring that the second check valve 310 is automatically turned on to ensure that the working fluid in the compressor 500 can enter the first condenser 121 and the second condenser 122 respectively, so as not only to ensure the heat exchange efficiency in the compression refrigeration cycle mode, but also the second one-way valve 310.
  • the automatic conduction in the compression refrigeration cycle mode effectively improves the control efficiency of the entire thermal management device 13 .
  • first one-way valve 210 and the second one-way valve 310 can be directly referred to the existing one-way valve, which will not be repeated here.
  • the thermal management device 13 of the embodiment of the present application may further include a fourth valve 800 , and the fourth valve 800 is disposed between the inlet end of the compressor 500 and the outlet end of the first check valve 210 between.
  • the first valve 800 is disposed between the gas-liquid separator 400 and the outlet end of the first check valve 210 .
  • the fourth valve 800 is in a closed state when the ambient temperature is lower than the set temperature, and on the contrary, when the ambient temperature is greater than or equal to the set temperature, the fourth valve 800 is in an on state.
  • the fourth valve 800 may be a solenoid valve, in this way, the on-off state of the fourth valve 800 can be controlled by a signal, so as to improve the control efficiency of the fourth valve 800 and thus improve the working efficiency of the thermal management device 13 .
  • the fourth valve 800 is arranged between the inlet end of the gas-liquid separator 400 and the outlet end of the first one-way valve 210, so that when the thermal management device 13 is in the heat pipe circulation mode, the fourth valve 800 can be closed by closing the fourth valve 800.
  • the valve 800 ensures that the working medium in the two heat pipe circulation loops 100 will not enter the gas-liquid separator 400 and the compressor 500 in the compression refrigeration loop to cause waste of working medium, and also further ensures the working medium in the high temperature loop 102.
  • the mass will not enter the low temperature circuit through the gas-liquid separator 400 and the compressor 500, so as to ensure that the high temperature circuit and the low temperature circuit are independent of each other, thereby ensuring the heat exchange efficiency in the heat pipe circulation mode.
  • the first valve group 200 is the first one-way valve 210 and the second valve group 300 is the second one-way valve 310 as an example.
  • the signal controls the fourth valve 800 to be closed, the two third valves 700 are turned on, the first one-way valve 210 and the second one-way valve 210 are turned on.
  • the valve 310 is reverse check, that is, the first one-way valve 210 and the second one-way valve 310 are in a closed state, and the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 circulate independently, completing the cooling system 10 such as outdoor cabinets or computer rooms. Efficient heat dissipation of the internal heating device 12 .
  • the thermal management device 13 switches to the compression refrigeration cycle mode, the signal controls the fourth valve 800 to open, the two third valves 700 to close, the compressor 500 to open, and the first check valve 210 to open.
  • the compressor 500 is opened under the suction pressure
  • the second check valve 310 is opened under the exhaust pressure of the compressor 500
  • the compression and refrigeration cycle circuit works to complete the heating equipment 12 in the heat dissipation system 10 such as outdoor cabinets or machine rooms. Efficient heat dissipation.
  • the second valve group 300 may also be at least one first three-way valve 320.
  • the first port and the second port of the first three-way valve 320 communicate with the inlet ends of the two condensers 120 respectively, and the third port of the first three-way valve 320 communicates with the outlet end of the compressor 500 .
  • the first port of the first three-way valve 320 can be communicated with the inlet end of the second condenser 122 on the low temperature circuit, and correspondingly, the second port of the first three-way valve 320 can be connected with the first port on the high temperature circuit.
  • the inlet end of a condenser 121 is communicated.
  • the first port of the first three-way valve 320 may communicate with the inlet end of the first condenser 121 on the high temperature circuit, and correspondingly, the second port of the first three-way valve 320 may be connected with the low temperature circuit
  • the inlet end of the upper second condenser 122 is communicated, which is not limited in this embodiment of the present application.
  • the first port, the second port and the third port of the first three-way valve 320 are all closed, and the gaseous working fluid in the high temperature section b of the two heat pipe circulation loops 100 will enter the respective
  • the gaseous working medium in the high temperature section b of the first heat pipe circulation loop 101 enters the first condenser 121 for condensation
  • the gaseous working medium in the high temperature section b of the second heat pipe circulation loop 102 enters Condensation is performed in the second condenser 122 .
  • the first port, the second port and the third port of the first three-way valve 320 are all in a conducting state, so that the high-pressure gaseous working medium discharged from the compressor 500 will pass through the The first three-way valve 320 enters the first condenser 121 and the second condenser 122 respectively for condensation.
  • the thermal The management device 13 is in the heat pipe circulation mode, the first one-way valve 210 is reverse-checked, that is, the first one-way valve 210 is in a closed state, the signal controls the two third valves 700 to conduct, and at the same time, the signal controls the first three-way valve.
  • the first port, the second port and the third port of 320 are all closed, and the two heat pipe circulation loops 100, namely the high temperature loop and the low temperature loop, circulate independently to achieve efficient heat dissipation for the heating equipment 12 in the heat dissipation system 10 such as outdoor cabinets or equipment rooms.
  • the thermal management device 13 switches to the compression refrigeration cycle mode, the signal controls the fourth valve 800 to open, the two third valves 700 are closed, and at the same time, the signal controls the first three-way valve 320 to first The port, the second port and the third port are all closed, the compressor 500 is turned on, the first one-way valve 210 is opened under the action of the suction pressure of the compressor 500, the compression and refrigeration cycle circuit works, and the cooling system such as the outdoor cabinet or computer room is completed. Efficient heat dissipation of the heating device 12 in the 10 .
  • the switching state of the first three-way valve 320 can be adjusted in time through an electrical signal, which not only ensures that when the ambient temperature is lower than the set temperature , the first three-way valve 320 is in the closed state, and when the ambient temperature is greater than or equal to the set temperature, the first three-way valve 320 is in the conducting state, which improves the control accuracy of the second valve group 300 and
  • the timeliness ensures that the thermal management device 13 of the embodiment of the present application can switch stably between the heat pipe cycle mode and the compression refrigeration cycle mode.
  • the specific structure and working principle of the first three-way valve 320 may directly refer to the existing three-way valve, which will not be repeated here.
  • FIG. 8 is a schematic structural diagram of a thermal management device provided in Embodiment 2 of the present application.
  • the thermal management device 13 of the embodiment of the present application may further include at least two fifth valves 900 , and the at least two fifth valves 900 are respectively disposed in the two heat pipe loops.
  • at least two fifth valves 900 are located between the first valve group 200 and the second valve group 300 .
  • one of the fifth valves 900 is arranged on the high temperature section b of the first heat pipe circulation loop 101, and is located between the first valve group 200 and the second valve group 300, and the other fifth valve
  • the valve 900 is disposed on the high temperature section b of the second heat pipe circulation loop 102 and is located between the first valve group 200 and the second valve group 300 .
  • the two fifth valves 900 are in the conducting state, ensuring that the high temperature section b of the first heat pipe circulation loop 101 and the high temperature section b of the second heat pipe circulation loop 102 are both in the conducting state, so that the The gaseous working medium discharged from the first evaporator 111 can enter the first condenser 121 in the high temperature section b of the first heat pipe circulation loop 101 , and the gaseous working medium discharged from the second evaporator 112 can pass from the high temperature of the second heat pipe circulation loop 102 .
  • Section b enters the second condenser 122 .
  • the two fifth valves 900 are closed to block the high temperature section b of the first heat pipe circulation loop 101 and the high temperature section b of the second heat pipe circulation loop 102. In this way, thermal management When the device 13 is in the compression refrigeration cycle mode, part of the high-pressure gas discharged from the compressor 500 can be prevented from flowing back into the two evaporators 110 through the high temperature sections b of the two thermal cycles, ensuring the stable operation of the compression refrigeration cycle.
  • each fifth valve 900 may be a fourth check valve, the inlet end of the fourth check valve communicates with the outlet end of the evaporator 110 , and the outlet end of the fourth check valve communicate with the inlet end of the condenser 120 , for example, the inlet end of one of the fourth check valves is communicated with the outlet end of the first evaporator 111 , and the outlet end of the fourth check valve is communicated with the inlet end of the first condenser 121 Connected.
  • the inlet end of the other fourth one-way valve communicates with the outlet end of the second evaporator 112, and the outlet end of the fourth check valve communicates with the inlet end of the second condenser 122, so that in the thermal management device 13
  • the two fourth one-way valves can be automatically turned on under the action of the steam pressure at the outlet end of the evaporator 110, so as to realize the stable operation of the two heat pipe circulation loops 100.
  • the thermal management device 13 When the thermal management device 13 is in the compression refrigeration cycle mode, since the outlet end of the evaporator 110 communicates with the inlet end of the compressor 500 and the inlet end of the condenser 120 communicates with the outlet end of the compressor 500, the two fourth units The inlet end of the check valve is communicated with the inlet end of the compressor 500, and the outlet ends of the two fourth check valves are communicated with the outlet end of the compressor 500. In this way, the pressure at the outlet ends of the two fourth check valves is greater than the pressure at the inlet end.
  • the structure and working principle of the fourth one-way valve can be directly referred to the existing one-way valve, which will not be repeated here.
  • the thermal management The device 13 is in the heat pipe circulation mode, the signal controls the fourth valve 800 to be closed, the two third valves 700 are turned on, the first one-way valve 210 and the second one-way valve 310 are reverse-checked, that is, the first one-way valve 210 and the first one-way valve 210 and No.
  • the second one-way valve 310 is in the closed state, the two fourth one-way valves are automatically turned on under the action of the steam pressure at the outlet of the evaporator 110 , and the low temperature circuit and the high temperature circuit circulate independently, so as to achieve high efficiency for the heating device 12 in the heat dissipation system 10 . heat dissipation.
  • the thermal management device 13 switches to the compression refrigeration cycle mode, the signal controls the fourth valve 800 to open, the two third valves 700 to close, the compressor 500 to open, and the first check valve 210 to open.
  • the compressor 500 is opened under the suction pressure
  • the second check valve 310 is opened under the discharge pressure of the compressor 500
  • the two fourth check valves are opened at the pressure difference between the discharge pressure and the suction pressure of the compressor 500. Under the action, it is automatically closed, and the compression refrigeration cycle circuit works, completing the efficient heat dissipation of the heating equipment 12 in the heat dissipation system 10 .
  • the number of fifth valves 900 is equal to the number of heat pipe circulation loops 100 , that is, each heat pipe circulation loop 100 is provided on the high temperature section b.
  • the number of fifth valves 900 is also three, and the three fifth valves 900 are respectively disposed on the high temperature section b of the corresponding heat pipe circulation loop 100 .
  • FIG. 9 is a schematic diagram of the first structure of the thermal management device provided in Embodiment 3 of the present application
  • FIG. 10 is a schematic diagram of the second structure of the thermal management device provided in Embodiment 3 of the present application
  • FIG. 11 is provided by Embodiment 3 of the present application.
  • FIG. 12 is a schematic diagram of the fourth structure of the thermal management device provided in the third embodiment of the present application.
  • the first valve group 200 in the embodiment of the present application may include at least one second three-way valve 220 , the first port of the second three-way valve 220 and the second three-way valve 220 .
  • the second port is connected with the outlet ends of the two evaporators 110 respectively, and the third port of the second three-way valve 220 is connected with the inlet end of the compressor 500.
  • the third port of the second three-way valve 220 can be separated by gas and liquid
  • the compressor 400 communicates with the inlet end of the compressor 500 .
  • the first port of the second three-way valve 220 can communicate with the outlet end of the first evaporator 111 , and correspondingly, the second port of the second three-way valve 220 is connected to the second evaporator 111 .
  • the outlet end of the compressor 112 is communicated with, and the third port of the second three-way valve 220 is communicated with the inlet end of the compressor 500 through the gas-liquid separator 400 .
  • the first port, the second port and the third port of the second three-way valve 220 are all closed, so that the gaseous working medium discharged from the evaporators 110 in the two heat pipe circulation loops 100 It will enter the respective high temperature section b, but will not enter the gas-liquid separator 400 and the compressor 500 .
  • the gaseous working medium discharged from the first evaporator 111 enters the high temperature section b of the first heat pipe circulation loop 101
  • the gaseous working medium discharged from the second evaporator 112 enters the high temperature section b of the second heat pipe circulation loop 102 .
  • the first port, the second port and the third port of the second three-way valve 220 are all in a conducting state.
  • the gaseous working medium will enter the gas-liquid separator 400 and the compressor 500 in sequence through the three ports of the second three-way valve 220 under the action of the suction pressure of the compressor 500, and will not enter the high temperature of the two heat pipe circulation loops 100. paragraph b.
  • the switching state of the second three-way valve 220 can be adjusted in time through an electrical signal, which not only ensures that when the ambient temperature is lower than the set temperature , the first three-way valve 320 is in a closed state, so that the thermal management device 13 is in the heat pipe circulation mode, and when the ambient temperature is greater than or equal to the set temperature, the first three-way valve 320 is in an on state, so that the thermal management The device 13 is in the compression refrigeration cycle mode, and the control accuracy and timeliness of the first valve group 200 are improved, ensuring that the thermal management device 13 of the embodiment of the present application switches stably between the heat pipe cycle mode and the compression refrigeration cycle mode.
  • a second three-way valve 220 may be provided between two adjacent heat pipe circulation loops 100, and the second three-way valve
  • the first port and the second port of 220 are respectively communicated with the outlet ends of the evaporators 110 of the two adjacent heat pipe circulation loops 100, and the third port of the second three-way valve 220 is connected to the compressor through the gas-liquid separator 400.
  • the inlet end of the machine 500 is connected.
  • the heat pipe circulation loop 100 includes a first heat pipe circulation loop 101 , a second heat pipe circulation loop 102 and a third heat pipe circulation loop 103 .
  • the number of the second three-way valve 220 is two, wherein the first port and the second port of one second three-way valve 220 are respectively connected to the outlet end of the first evaporator 111 of the first heat pipe circulation loop 101 and the second heat pipe circulation
  • the outlet end of the second evaporator 112 of the loop 102, the first port and the second port of the other second three-way valve 220 are respectively connected to the outlet end of the second evaporator 112 of the second heat pipe circulation loop 102 and the third heat pipe circulation
  • the outlet end of the third evaporator of the circuit 103 and the third ports of the two second three-way valves 220 are all communicated with the inlet end of the compressor 500 through the gas-liquid separator 400 .
  • the thermal management device 13 When the thermal management device 13 is in the heat pipe circulation mode, the three ports of the three second three-way valves 220 are closed, and the gaseous working medium in the three evaporators 110 enters the three condensers 120 through the respective high temperature sections b.
  • the thermal management device 13 When the thermal management device 13 is in the compression refrigeration cycle mode, the three ports of the three second three-way valves 220 are all turned on, and the gaseous working medium in the three evaporators 110 all enter the gas through the corresponding second three-way valves 220
  • the liquid separator 400 and the compressor 500 then enter the three condensers 120 respectively from the outlet end of the compressor 500 .
  • the structure and working principle of the second three-way valve 220 in the embodiment of the present application can be directly referred to the existing three-way valve, which will not be repeated here.
  • the second valve group 300 may include at least one third one-way valve 330, the inlet end of the third one-way valve 330 and the second condenser on the low temperature circuit
  • the inlet end of 122 is communicated with, the outlet end of the third check valve 330 is communicated with the inlet end of the first condenser 121 on the high temperature circuit, and the outlet end of the compressor 500 is communicated with the inlet end of the third check valve 330 .
  • the third one-way valve 330 points from the low-temperature loop to the high-temperature loop, that is, the pressure at the inlet end of the third check valve 330 is lower than the pressure at the outlet end, Then the third one-way valve 330 is reverse-checked, that is, the third one-way valve 330 is in an automatic closing state, and at the same time, it is ensured that the working fluid in the high temperature section b of the low temperature circuit will not enter the first condenser 121 of the high temperature circuit, In this way, not only the two heat pipe circulation loops 100 are independent of each other in the heat pipe circulation mode, but also the third one-way valve 330 is automatically closed in the heat pipe circulation mode, which effectively improves the control efficiency of the entire thermal management device 13 .
  • the pressure at the inlet end of the third one-way valve 330 is greater than the pressure at the outlet end due to the exhaust pressure of the compressor 500, thereby ensuring that the third one-way valve is 330 is automatically turned on to ensure that the working fluid in the compressor 500 can enter the two condensers 120 respectively, so as to not only ensure the heat exchange efficiency in the compression refrigeration cycle mode, but also the third one-way valve 330 in the compression refrigeration cycle mode.
  • the conduction effectively improves the control efficiency of the entire thermal management device 13 .
  • the structure and working principle of the third one-way valve 330 can be directly referred to the existing one-way valve, which will not be repeated here.
  • the first valve group 200 is a second three-way valve 220 and the second valve group 300 is a third one-way valve 330 as an example.
  • the thermal management device 13 is in the heat pipe circulation mode, the signal controls the first port, the second port and the third port of the second three-way valve 220 to be closed, and the signal controls the two
  • the three valves 700 are turned on, and the third one-way valve 330 is reverse-checked, that is, the third one-way valve 330 is in an automatic closing state, and the low temperature circuit and the high temperature circuit circulate independently, so as to realize the heating equipment in the heat dissipation system 10 such as outdoor cabinets or computer rooms. 12 efficient heat dissipation.
  • the thermal management device 13 switches to the compression refrigeration cycle mode, the signal controls the first port, the second port and the third port of the second three-way valve 220 to conduct, and the signal controls the two
  • the third valve 700 is closed, the compressor 500 is opened, the third one-way valve 330 is opened under the action of the exhaust pressure of the compressor 500, the compression and refrigeration cycle circuit works, and the heating equipment 12 in the heat dissipation system 10 such as the outdoor cabinet or the equipment room is completed. Efficient heat dissipation.
  • the second valve group 300 is set as a third one-way valve 330, so that when the two heat pipe circulation loops 100, namely the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 are in the working state, that is, in the In the heat pipe circulation mode, since the third one-way valve 330 points from the low temperature circuit to the high temperature circuit, the third one-way valve 330 is reverse-checked, that is, the third one-way valve 330 is automatically closed, thereby not only ensuring the heat pipe circulation mode.
  • the first heat pipe circulation loop 101 and the second heat pipe circulation loop 102 are independent of each other, and the third one-way valve 330 is automatically closed in the heat pipe circulation mode, which effectively improves the control efficiency of the entire thermal management device 13 .
  • the pressure at the inlet end of the third one-way valve 330 is greater than the pressure at the outlet end due to the exhaust pressure of the compressor 500, thereby ensuring that the third one-way valve is 330 is automatically turned on to ensure that the working fluid in the compressor 500 can enter the first condenser 121 and the second condenser 122 respectively, so as not only to ensure the heat exchange efficiency in the compression refrigeration cycle mode, but also the third one-way valve 330.
  • the automatic conduction in the compression refrigeration cycle mode effectively improves the control efficiency of the entire thermal management device 13 .
  • the second valve group 300 in the embodiment of the present application may further include at least one third three-way valve 340 , the first port of the third three-way valve 340 and the first port
  • the second ports communicate with the inlet ends of the two condensers 120 respectively, and the third port of the third three-way valve 340 communicates with the outlet end of the compressor 500 .
  • the first port of the third three-way valve 340 may communicate with the inlet end of the second condenser 122 on the low temperature circuit, that is, the second heat pipe circulation circuit 102, and correspondingly, the second port of the third three-way valve 340 is connected with the high temperature circuit.
  • the loop that is, the inlet end of the first condenser 121 on the first heat pipe circulation loop 101 is communicated.
  • the first port of the third three-way valve 340 can also be communicated with the inlet end of the first condenser 121 on the high temperature circuit, and correspondingly, the second port of the third three-way valve 340 is connected to the second port on the low temperature circuit.
  • the inlet end of the condenser 122 is communicated, which is not limited in this embodiment of the present application.
  • the first port, the second port and the third port of the third three-way valve 340 are all closed to ensure that the gaseous working medium in the high temperature section b of the first heat pipe circulation loop 101 enters the first Condensation is performed in a condenser 121 , and the gaseous working medium in the high temperature section b of the second heat pipe circulation loop 102 enters the second condenser 122 for condensation.
  • the first port, the second port and the third port of the third three-way valve 340 are all in a conducting state, so that the high-pressure gaseous working medium discharged from the compressor 500 will pass through the The third three-way valve 340 respectively enters the two condensers 120 for condensation.
  • the thermal management device 13 when the ambient temperature is lower than the set temperature , the thermal management device 13 is in the heat pipe circulation mode, the signal controls the first port, the second port and the third port of the second three-way valve 220 to be closed, the signal controls the two third valves 700 to conduct, and at the same time, the signal controls the third The first port, the second port and the third port of the three-way valve 340 are all closed, and the two low temperature loops and the high temperature loop circulate independently to achieve efficient heat dissipation for the heating equipment 12 in the heat dissipation system 10 such as outdoor cabinets or equipment rooms.
  • the thermal management device 13 switches to the compression refrigeration cycle mode, the signal controls the first port, the second port and the third port of the second three-way valve 220 to conduct, and the signal controls the two
  • the third valve 700 is closed, and at the same time, the signal controls the first port, the second port and the third port of the third three-way valve 340 to be turned on, the compression and refrigeration cycle circuit works, and the heating equipment in the heat dissipation system 10 such as outdoor cabinets or computer rooms is completed. 12 efficient heat dissipation.
  • the second valve group 300 is set as a third three-way valve 340, so that the switching state of the third three-way valve 340 can be adjusted in time through an electrical signal, which can not only ensure that when the ambient temperature is lower than the set temperature , the third three-way valve 340 is in a closed state, and when the ambient temperature is greater than or equal to the set temperature, the third three-way valve 340 is in a conducting state, which improves the control accuracy of the second valve group 300 and
  • the timeliness ensures that the thermal management device 13 of the embodiment of the present application can switch stably between the heat pipe cycle mode and the compression refrigeration cycle mode.
  • the thermal management device 13 in the embodiment of the present application may further include at least two second structures.
  • Five valves 900 , at least two fifth valves 900 are respectively disposed in the high temperature section b of the two heat pipe circulation loops 100 , and the two fifth valves 900 are located between the first valve group 200 and the second valve group 300 .
  • one of the fifth valves 900 is disposed on the high temperature section b of the first heat pipe circulation loop 101 and is located between the first valve group 200 and the second valve group 300 .
  • Another fifth valve 900 is disposed on the high temperature section b of the second heat pipe circulation loop 102 and is located between the first valve group 200 and the second valve group 300 .
  • the two fifth valves 900 are in a conducting state to ensure that the high temperature sections b of the two heat pipe circulation loops 100 are in a conducting state, that is, to ensure that the evaporator 110 of the two heat pipe circulation loops 100 discharges
  • the gaseous working medium can enter the corresponding condenser 120 from the respective high temperature sections b.
  • the gaseous working medium discharged from the first evaporator 111 can enter the first condenser 121 from the high temperature section b of the first heat pipe circulation loop 101 .
  • the gaseous working medium discharged from the second evaporator 112 can enter the second condenser 122 from the high temperature section b of the second heat pipe circulation loop 102 .
  • the two fifth valves 900 are in a closed state to block the high temperature section b of the two heat pipe circulation loops 100. In this way, when the thermal management device 13 is in the compression refrigeration cycle mode, it can be avoided. Part of the high-pressure gas discharged from the compressor 500 is reversed into the two evaporators 110 through the high temperature section b of the two heat cycle circuits, so as to ensure the stable operation of the compression and refrigeration cycle circuits.
  • each fifth valve 900 may be a fourth one-way valve, the inlet end of the fourth one-way valve communicates with the outlet end of the evaporator 110 , and the outlet end of the fourth one-way valve communicates with the outlet end of the condenser 120 .
  • the inlet ends are connected, so that when the thermal management device 13 is in the heat pipe circulation mode, the two fourth one-way valves can be automatically turned on under the action of the steam pressure at the outlet end of the evaporator 110, so as to realize the stable operation of the two heat pipe circulation loops 100 .
  • the outlets of the two fourth check valves The pressure at the end is greater than the pressure at the inlet end, so that the two fourth check valves are automatically closed under the action of the pressure difference between the discharge pressure and the suction pressure of the compressor 500, which not only ensures that the high temperature section b of the two heat pipe circulation loops 100 is compressed It is automatically closed in the cooling mode to prevent the high-pressure gaseous working medium discharged from the compressor 500 from flowing back into the two evaporators 110 from the first port and the second port of the third three-way valve 340, and effectively simplifies the thermal management equipment
  • the control program of 13 improves the work efficiency of the thermal management device 13 .
  • the second valve group 300 in the embodiment of the present application may further include at least two fourth three-way valves 350 . One of them is set on the high temperature circuit and the other is set on the low temperature circuit.
  • the first port of one of the fourth three-way valves 350 is communicated with the outlet end of the first evaporator 111 on the high temperature circuit, and the second port of the fourth three-way valve 350 is connected to the high temperature circuit, namely the first heat pipe circulation circuit 101 .
  • the inlet end of the first condenser 121 is communicated.
  • the first port of the other fourth three-way valve 350 is communicated with the outlet end of the second evaporator 112 on the low temperature circuit, that is, the second heat pipe circulation circuit 102, and the second port of the fourth three-way valve 350 is connected with the low temperature circuit.
  • the inlet end of the second condenser 122 is communicated.
  • the third ports of the two fourth three-way valves 350 are both communicated with the outlet end of the compressor 500 .
  • each fourth three-way valve 350 When the ambient temperature is lower than the set temperature, the first port and the second port of each fourth three-way valve 350 are in a conducting state, and the third port of each fourth three-way valve 350 is in a closing state, so that the two The working fluid in the high temperature section b of the heat pipe circulation loop 100 can enter the two condensers 120 respectively, so as to realize independent conduction of the two heat pipe circulation loops 100 without the phenomenon of convergence of the working fluids in the two high temperature sections b.
  • each fourth three-way valve 350 When the ambient temperature is greater than or equal to the set temperature, the second port and the third port of each fourth three-way valve 350 are in a conducting state, so that the high-pressure working fluid discharged from the compressor 500 can pass through the two fourth The three-way valve 350 enters both condensers 120 .
  • the first port of each fourth three-way valve 350 is in a closed state to prevent part of the high-pressure gas discharged from the compressor 500 from backflowing from the first port of the two fourth three-way valves 350 to the high temperature section of the two thermal cycle circuits b and the two evaporators 110 to ensure the stable operation of the compression refrigeration cycle.
  • the first valve group 200 is one second three-way valve 220 and the second valve group 300 is two fourth three-way valves 350 .
  • the thermal management device 13 is in the heat pipe circulation mode, the signal controls the first port, the second port and the third port of the second three-way valve 220 to be closed, and the signal controls the two
  • the three valves 700 are turned on, and at the same time, the first port and the second port of the two fourth three-way valves 350 are turned on by the signal, the third port is closed, and the low temperature circuit and the high temperature circuit circulate independently, so as to realize the control of outdoor cabinets or computer rooms, etc. Efficient heat dissipation of the heat generating device 12 in the heat dissipation system 10 .
  • the thermal management device 13 switches to the compression refrigeration cycle mode, the signal controls the first port, the second port and the third port of the second three-way valve 220 to open, and the signal controls the two The three-valve 700 is closed, and at the same time, the second port and the third port of the two fourth three-way valves 350 are turned on by the signal, the first port is closed, the compression refrigeration cycle circuit works, and the cooling system 10 such as the outdoor cabinet or computer room is completed. Efficient heat dissipation of the internal heating device 12 .
  • the second valve group 300 is set as two fourth three-way valves 350, so that when the ambient temperature is lower than the set temperature, the first ports of the two fourth three-way valves 350 can be controlled by electrical signals and the second port are in a conductive state, and the third port is in a closed state, so that the thermal management device 13 works in the heat pipe circulation mode, that is, the two heat pipe circulation loops 100 work independently, so as to ensure the heat exchange efficiency while reducing the temperature. energy consumption.
  • the second port and the third port of the two fourth three-way valves 350 can be controlled by electrical signals to be in a conducting state, and the first port is in a closed state, which not only ensures the thermal management
  • the device 13 works in the compression refrigeration cycle mode, which makes the compression refrigeration cycle work independently, so as to improve the heat exchange efficiency, and effectively avoids part of the high-pressure gas discharged from the compressor 500 from being reversed through the high temperature section b of the two heat pipe circulation loops 100. Flow into the two evaporators 110 to ensure the stable operation of the compression refrigeration cycle.
  • FIG. 13 is a schematic diagram of a first structure of the thermal management device provided in Embodiment 4 of the present application
  • FIG. 14 is a schematic diagram of a second structure of the thermal management device provided in Embodiment 4 of the present application.
  • the first valve group 200 in the embodiment of the present application may include at least two fifth three-way valves 230 .
  • One of the at least two fifth three-way valves 230 is provided on the first heat pipe circulation loop 101 , and the other is provided on the second heat pipe circulation loop 102 .
  • the first port of one of the fifth three-way valves 230 is communicated with the high temperature circuit and the outlet end of the first evaporator 111 on the first heat pipe circulation circuit 101 , and the second port of the fifth three-way valve 230 is connected with the high temperature circuit.
  • the inlet end of the first condenser 121 is communicated.
  • the first port of the other fifth three-way valve 230 communicates with the low temperature circuit and the outlet end of the second evaporator 112 on the second heat pipe circulation circuit 102, and the second port of the fifth three-way valve 230 is connected with the low temperature circuit.
  • the inlet end of the second condenser 122 is communicated with, and the third ports of the two fifth three-way valves 130 can be communicated with the inlet end of the compressor 500 through the gas-liquid separator 400 .
  • each fifth three-way valve 230 When the ambient temperature is lower than the set temperature, the third port of each fifth three-way valve 230 is in a closed state to ensure that the gaseous working medium discharged from the two evaporators 110 will not enter the gas-liquid separator 400 and the compressor 500, The first port and the second port of each fifth three-way valve 230 are in a conducting state, so that the gaseous working medium discharged from the two evaporators 110 enters their respective high temperature sections b, so as to ensure that the two heat pipe circulation loops 100 are conducted.
  • the gaseous working medium discharged from the first evaporator 111 enters the high temperature section b of the first heat pipe circulation loop 101
  • the gaseous working medium discharged from the second evaporator 112 enters the high temperature section b of the second heat pipe circulation loop 102 .
  • each fifth three-way valve 230 When the ambient temperature is greater than or equal to the set temperature, the first port and the third port of each fifth three-way valve 230 are in a conducting state, and the second port of each fifth three-way valve 230 is in a closed state, ensuring two The gaseous working medium discharged from each evaporator 110 is collected into the gas-liquid separator 400 and the compressor 500 , and will not enter the high temperature section b of the two heat pipe circulation loops 100 .
  • the first valve group 200 is set as two fifth three-way valves 230, so that when the ambient temperature is lower than the set temperature, the first ports of the two fifth three-way valves 230 can be controlled by electrical signals and the second port are in a conductive state, and the third port is in a closed state, so that the thermal management device 13 works in the heat pipe circulation mode, that is, the two heat pipe circulation loops 100 work independently, so as to ensure the heat exchange efficiency while reducing the temperature. energy consumption.
  • the first port and the third port of the two fifth three-way valves 230 can be controlled by an electrical signal to be in a conducting state, and the second port is in a closed state, thereby ensuring that the two evaporators are
  • the steam discharged from 110 enters the gas-liquid separator 400 and the compressor 500, that is, it is ensured that the thermal management device 13 works in the compression refrigeration cycle mode, so as to improve the heat exchange efficiency.
  • the second valve group 300 of the embodiment of the present application may include at least one sixth three-way valve 360 , and the first port and the second port of the sixth three-way valve 360 are respectively connected with two condensing ports.
  • the inlet end of the compressor 120 is communicated with, and the third port of the sixth three-way valve 360 is communicated with the outlet end of the compressor 500 .
  • the first port of the sixth three-way valve 360 is communicated with the inlet end of the first condenser 121 on the first heat pipe circulation loop 101
  • the second port of the sixth three-way valve 360 is communicated with the inlet end of the first condenser 121 on the second heat pipe circulation loop 102
  • the inlet end of the second condenser 122 is communicated; alternatively, the first port of the sixth three-way valve 360 is communicated with the inlet end of the second condenser 122 on the second heat pipe circulation loop 102, and the second port of the sixth three-way valve 360
  • the port is communicated with the inlet end of the first condenser 121 on the first heat pipe circulation loop 101, which is not limited in the embodiment of the present application.
  • the first port, the second port and the third port of the sixth three-way valve 360 are all closed to ensure that the gaseous working medium in the high temperature section b of the two heat pipe circulation loops 100 can be independent Enter the respective condensers 120 for condensation.
  • the first port, the second port and the third port of the sixth three-way valve 360 are all in a conducting state, so that the high-pressure gaseous working medium discharged from the compressor 500 will pass through the The sixth three-way valve 360 enters the two condensers 120 respectively for condensation.
  • the first valve group 200 is two fifth three-way valves 230 and the second valve group 300 is one sixth three-way valve 360 .
  • the thermal management device 13 is in the heat pipe circulation mode, the first port and the second port of the two fifth three-way valves 230 are controlled by the signal to conduct, the third port is closed, and the signal controls
  • the two third valves 700 are turned on, and at the same time, the first port, the second port and the third port of the sixth three-way valve 360 are closed by the signal. Efficient heat dissipation of the heat generating device 12 in the heat dissipation system 10 .
  • the thermal management device 13 switches to the compression refrigeration cycle mode, the signal controls the first port and the third port of the two fifth three-way valves 230 to conduct, the second port is closed, and the signal controls The two third valves 700 are closed, and at the same time, the first port, the second port and the third port of the sixth three-way valve 360 are turned on by the signal, and the compression refrigeration cycle circuit works, completing the cooling system 10 such as outdoor cabinets or computer rooms. Efficient heat dissipation of heat generating device 12 .
  • the switching state of the sixth three-way valve 360 can be adjusted in time through an electrical signal, which not only ensures that when the ambient temperature is lower than the set temperature , the sixth three-way valve 360 is in a closed state, and when the ambient temperature is greater than or equal to the set temperature, the sixth three-way valve 360 is in a conducting state, which improves the control accuracy of the second valve group 300 and
  • the timeliness ensures that the thermal management device 13 of the embodiment of the present application can switch stably between the heat pipe cycle mode and the compression refrigeration cycle mode.
  • the second valve group 300 may further include at least two seventh three-way valves 370 , and one of the at least two seventh three-way valves 370 is disposed on the first heat pipe circulation loop 101 , and the other is arranged on the second heat pipe circulation loop 102 .
  • the first port of one of the seventh three-way valves 370 communicates with the outlet end of the first evaporator 111 on the first heat pipe circulation loop 101
  • the seventh three-way valve 370 The second port of is communicated with the inlet end of the first condenser 121 on the first heat pipe circulation loop 101 .
  • the first port of the other seventh three-way valve 370 communicates with the outlet end of the second evaporator 112 on the second heat pipe circulation loop 102
  • the second port of the seventh three-way valve 370 communicates with the second heat pipe circulation loop 102 .
  • the inlet end of the second condenser 122 communicates with each other.
  • the third ports of the two seventh three-way valves 370 are both communicated with the outlet end of the compressor 500 .
  • each seventh three-way valve 370 When the ambient temperature is lower than the set temperature, the third port of each seventh three-way valve 370 is in a closed state, and the first port and the second port of each seventh three-way valve 370 are in a conductive state, so that the two The working fluid of the high temperature section b of each heat pipe circulation loop 100 can enter the two condensers 120 respectively, so as to realize independent conduction of the two heat pipe circulation loops 100, without the phenomenon of convergence of the working fluid of the two high temperature sections b.
  • each seventh three-way valve 370 When the ambient temperature is greater than or equal to the set temperature, the second port and the third port of each seventh three-way valve 370 are in a conducting state, so that the high-pressure working fluid discharged from the compressor 500 can pass through the two fourth
  • the three-way valve 350 enters the two condensers 120 , and the first port of each seventh three-way valve 370 is in a closed state to prevent part of the high-pressure gas discharged from the compressor 500 from passing through the first ports of the two seventh three-way valves 370 .
  • the ports are reversed to the high temperature sections b of the two heat cycle circuits and the two evaporators 110, thereby ensuring the stable operation of the compression refrigeration cycle.
  • the signal controls the first port and the second port of the two fifth three-way valves 230 to conduct, the third port is closed, and the signal controls the two third valves 700 to conduct.
  • the signal controls the first port and the second port of the two seventh three-way valves 370 to conduct, the third port is closed, and the two low temperature loops and the high temperature loop circulate independently, so as to realize the heating equipment in the cooling system 10 such as outdoor cabinets or equipment rooms. 12 efficient heat dissipation.
  • the thermal management device 13 switches to the compression refrigeration cycle mode, the signal controls the first port and the third port of the two fifth three-way valves 230 to conduct, the second port is closed, and the signal controls The two third valves 700 are closed, and at the same time, the signal controls the second port and the third port of the two seventh three-way valves 370 to conduct, the first port is closed, the compression refrigeration cycle loop works, and the cooling system such as outdoor cabinets or computer rooms is completed. Efficient heat dissipation of the heating device 12 in the 10 .
  • the second valve group 300 is set as two seventh three-way valves 370, so that when the ambient temperature is lower than the set temperature, the first ports of the two seventh three-way valves 370 can be controlled by electrical signals and the second port are in a conductive state, and the third port is in a closed state, so that the thermal management device 13 works in the heat pipe circulation mode, that is, the two heat pipe circulation loops 100 work independently, so as to ensure the heat exchange efficiency while reducing the temperature.
  • the second port and the third port of the two seventh three-way valves 370 can be controlled by electrical signals to be in a conducting state, and the first port is in a closed state, which not only ensures that
  • the thermal management device 13 works in the compression refrigeration cycle mode, that is, the compression refrigeration cycle is made to work independently, so as to improve the heat exchange efficiency, and it is effectively avoided that part of the high-pressure gas discharged from the compressor 500 passes through the high temperature sections of the two thermal cycles. b backflow into the two evaporators 110 to ensure the stable operation of the compression refrigeration cycle.
  • an embodiment of the present application further provides a heat dissipation system 10 , including a system body 11 , at least one heating device 12 and at least one thermal management device 13 .
  • the thermal management device 13 may be the thermal management device 13 in any of the above-mentioned embodiments, the heating device 12 is located in the system body 11 , and the air return and air supply ports of the thermal management device 13 are connected to the interior of the system body 11 to prevent heat generation.
  • the device 12 is cooled.
  • the air inside the system body 11 that is, the internal circulating air flow c
  • the inner circulating airflow c is discharged from the air supply port to the inner space of the system body 11 to cool down the heating device 12 in the system body 11 .
  • the air outside the heat dissipation system 10 that is, the external circulation airflow d
  • the exchanged and heated external circulation airflow d is discharged from the external circulation air outlet to the outside of the heat dissipation system 10 and the thermal management device 13 .
  • the heat dissipation system 10 in the embodiment of the present application includes but is not limited to any one of an outdoor cabinet, a machine room, and a vehicle.
  • the heating device 12 includes but is not limited to any one of base station equipment, power supply equipment, storage battery, transmission equipment, and driving equipment.
  • the heating device 12 may be a device that generates heat during operation, such as base station equipment, power supply equipment, storage battery, or transmission equipment located in the outdoor cabinet body.
  • the heat dissipation system 10 in this embodiment of the present application may include multiple thermal management devices 13 , and the multiple thermal management devices 13 simultaneously dissipate heat from the heating devices 12 in the system body 11 to improve the heat dissipation efficiency of the heating devices 12 .
  • the number of thermal management devices 13 may be an appropriate number such as 2, 3, 4, or 5, which may be adjusted according to actual needs.
  • the heat dissipation device 12 in the system body 11 is dissipated by the above-mentioned thermal management device 13 , and the two heat pipe circulation loops 100 can be used in a low temperature environment to realize the secondary cooling of the air inside the heat dissipation system 10 .
  • Heat dissipation thereby improving the heat exchange efficiency of the thermal management device 13 to the heating device 12 in a low temperature environment.
  • the thermal management device 13 can dissipate heat from the air inside the cooling system 10 through the compression refrigeration cycle with two side-by-side evaporators 110 in a high temperature environment, thereby increasing the exchange between the compression refrigeration cycle and the air inside the system. Therefore, the heat exchange efficiency of the thermal management device 13 in a high temperature environment is improved, thereby realizing rapid cooling of the heating device 12 and prolonging the service life of the heating device 12 .

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Abstract

一种散热系统、热管理设备(13)及其工作方法,通过在两个热管循环回路(100)的蒸发器(110)的出口端和冷凝器(120)的入口端处分别设置第一阀组(200)和第二阀组(300),在第一阀组(200)与第二阀(300)组合之间设置与热管循环回路(100)的高温段并联的压缩机(500),同时在两个热管循环回路(100)的低温段分别设置一个节流装置(600),并在每个节流装置(600)上并联一第三阀门(700),这样,可通过调节第一阀组(200)、第二阀组(300)及两个第三阀门(700)的开关状态,使得在低温环境下,通过两个热管循环回路(100)对户外机柜进行二级散热;在高温环境下,通过具有两个并排的蒸发器(110)及冷凝器(120)的压缩制冷循环回路对户外机柜进行散热,提高了热管理设备在高低温环境下的换热效率。

Description

散热系统、热管理设备及其工作方法
本申请要求于2020年11月30日提交中国专利局、申请号为202011375520.2、申请名称为“散热系统、热管理设备及其工作方法”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及空调设备技术领域,特别涉及一种散热系统、热管理设备及其工作方法。
背景技术
在边缘计算、5G等趋势的推动下,近年来边缘站点的数据机房或者户外机柜建设量稳步上升。集装箱式的机房以及户外机柜作为接入汇聚机房主推的建设模式之一,具有快速部署、灵活扩容等优势,受到全球众多设备运营商的青睐。
户外机柜或者机房内通常安装有基站设备、电源设备、蓄电池、传输设备及制冷设备等,其中,制冷设备用于控制户外机柜或者机房内部的温度,以保证户外机柜或者机房内的基站设备、电源设备等的正常工作,防止户外机柜或者机房内的设备受损。传统技术中,制冷设备为压缩制冷循环空调和热管交换器一体机,即该制冷设备包括两个相互独立的压缩制冷循环回路和热管换热循环回路。以户外机柜为例,热管换热循环回路随时处于准备状态,当机柜内部的气流温度高于机柜外部的气流温度时,热管循环回路处于工作状态,当机柜内部的气流温度高于预设值时,压缩制冷循环回路启动工作,使得该制冷设备兼顾节能和满足高温使用要求。
然而,传统的制冷设备中,热管换热循环回路为单循环回路,换热效率低。
发明内容
本申请实施例提供了一种散热系统、热管理设备及其工作方法,能够解决传统技术中的制冷设备换热效率低的问题。
本申请实施例提供一种热管理设备,包括压缩机、至少两个节流装置、第一阀组、第二阀组、至少两个第三阀门及至少两个热管循环回路;
其中,至少两个热管循环回路包括第一热管循环回路和第二热管循环回路,第一热管循环回路为高温回路,第二热管循环回路为低温回路;第一热管循环回路包括第一蒸发器和第一冷凝器,第二热管循环回路包括第二蒸发器和第二冷凝器;第一蒸发器和第二蒸发器并排设置,第一冷凝器和第二冷凝器并排设置,第一蒸发器的出口端与第二蒸发器的出口端共同连通第一阀组,第一冷凝器的入口端和第二冷凝器的入口端共同连通第二阀组,压缩机的入口端与第一阀组连通,压缩机的出口端与第二阀组连通,且压缩机与每个热管循环回路的高温段均并联设置;
至少两个节流装置包括第一节流装置和第二节流装置,第一节流装置串联在第一 冷凝器的出口端与第一蒸发器的入口端之间,第二节流装置串联在第二冷凝器的出口端与第二蒸发器的入口端之间,至少两个第三阀门中的其中一个与第一节流装置并联设置,至少两个第三阀门中的另一个第二节流装置并联设置。
本申请实施例提供的热管理设备,通过设置至少两个热管循环回路,并将至少两个热管循环回路的蒸发器和冷凝器分别并排设置,同时在两个蒸发器的出口端和两个冷凝器的入口端处分别连通第一阀组和第二阀组,在第一阀组与第二阀组之间设置压缩机,且该压缩机与每个热管循环回路的高温段均并联设置,同时在至少两个热管循环回路的低温段分别设置一个节流装置,并在每个节流装置上并联一第三阀门,这样,可通过调节第一阀组、第二阀组及两个第三阀门的开关状态,使得在环境温度例如户外机柜内的温度低于设定温度时,两个热管循环回路处于导通状态,压缩机、两个并联的小段(每个小段由冷凝器、节流装置及蒸发器串联而成)形成的压缩制冷循环回路处于关闭状态,即保证在低温环境下,通过两个独立热管循环回路增大了热管理设备的换热温差,实现了对室内空气的二级散热,从而提高了热管理设备在低温环境下的换热效率。另外,可通过调节第一阀组、第二阀组及两个第三阀门的开关状态,使得在环境温度例如户外机柜内的温度高于或者等于设定温度时,两个热管循环回路处于关闭状态,压缩机、两个并联的小段(每个小段由冷凝器、节流装置及蒸发器串联而成)形成的压缩制冷循环回路处于导通状态,即保证在高温环境下,通过具有两个并排的蒸发器及冷凝器的压缩制冷循环回路实现对室内进行散热,相比于传统技术,增大了压缩制冷循环回路的换热面积,从而提高了热管理设备在高温环境下的换热效率。
在一种可选的实现方式中,第一阀组包括至少一个第一单向阀;
第一单向阀的入口端与第二蒸发器的出口端连通,第一单向阀的出口端与第一蒸发器的出口端连通,压缩机的入口端与第一单向阀的出口端连通。
本申请实施例通过将第一阀组设置为第一单向阀,并将第一单向阀的入口端与低温回路上的蒸发器的出口端连通,将第一单向阀的出口端与高温回路上的蒸发器的出口端连通,这样,当两个热管循环回路处于工作状态,即在热管循环模式下,因第一单向阀由低温回路指向高温回路,则该第一单向阀逆向止回,即该第一单向阀处于自动关闭状态,从而不仅保证热管循环模式下,两个热管循环回路相互独立,而且第一单向阀在热管循环模式下自动关闭有效提高了整个热管理设备的控制效率。同时,在压缩制冷循环回路处于工作状态,即在压缩制冷循环模式下,因压缩机的吸气压力使得第一单向阀的出口端的压力小于入口端的压力,从而保证第一单向阀自动导通,确保两个蒸发器内的工质均能够进入气液分离器及压缩机内,从而不仅保证压缩制冷循环模式下的换热效率,而且第一单向阀在压缩制冷循环模式下自动导通有效提高了整个热管理设备的控制效率。
在一种可选的实现方式中,第二阀组包括至少一个第二单向阀,第二单向阀的入口端与第二冷凝器的入口端连通,第二单向阀的出口端与第一冷凝器的入口端连通,压缩机的出口端与第二单向阀的入口端连通。
本申请实施例通过将第二阀组设置为第二单向阀,并将第二单向阀的入口端与低温回路上的冷凝器的入口端连通,将第二单向阀的出口端与高温回路上的冷凝器的入 口端连通,这样,当两个热管循环回路处于工作状态,即在热管循环模式下,因第二单向阀由低温回路指向高温回路,则该第二单向阀逆向止回,即该第二单向阀处于自动关闭状态,从而不仅保证热管循环模式下,两个热管循环回路相互独立,而且第二单向阀在热管循环模式下自动关闭有效提高了整个热管理设备的控制效率。同时,在压缩制冷循环回路处于工作状态,即在压缩制冷循环模式下,因压缩机的排气压力使得第二单向阀的入口端的压力大于出口端的压力,从而保证第二单向阀自动导通,确保压缩机内的工质能够分别进入两个冷凝器内,从而不仅保证压缩制冷循环模式下的换热效率,而且第二单向阀在压缩制冷循环模式下自动导通有效提高了整个热管理设备的控制效率。
在一种可选的实现方式中,热管理设备还包括第四阀门,第四阀门设置在压缩机的入口端与第一单向阀的出口端之间。
本申请实施例通过在压缩机的入口端与第一单向阀的出口端之间设置第四阀门,这样,当热管理设备处于热管循环模式时,可通过关闭第四阀门,以保证其中一个热管循环回路中的工质不会进入压缩机内而造成热管循环模式下工质的浪费,同时也进一步保证高温回路中的工质不会通过压缩机内进入低温回路中,确保高温回路与低温回路之间相互独立,从而保证热管循环模式下的换热效率。
在一种可选的实现方式中,第二阀组包括至少一个第一三通阀,第一三通阀的第一端口与第一冷凝器的入口端连通,第一三通阀的第二端口分别与第二冷凝器入口端连通,第一三通阀的第三端口与压缩机的出口端连通。
本申请实施例通过将第二阀组设置为至少一个第一三通阀,这样,可通过电信号及时调节第一三通阀的开关状态,不仅能够保证在环境温度小于设定温度时,该第一三通阀处于关闭状态,以及在环境温度大于或者等于设定温度时,该第一三通阀处于导通状态,而且提高了该第二阀组的控制准确性和及时性,保证本申请实施例的热管理设备在热管循环模式与压缩制冷循环模式之间稳定切换。
在一种可选的实现方式中,第一阀组包括至少一个第二三通阀,第二三通阀的第一端口与第一蒸发器的出口端连通,第二三通阀的第二端口与第二蒸发器的出口端连通,第二三通阀的第三端口与压缩机的入口端连通。
本申请实施例通过将第一阀组设置为至少一个第二三通阀,这样,可通过电信号及时调节第二三通阀的开关状态,不仅能够保证在环境温度小于设定温度时,该第一三通阀处于关闭状态,使得热管理设备处于热管循环模式,以及在环境温度大于或者等于设定温度时,该第一三通阀处于导通状态,使得该热管理设备处于压缩制冷循环模式,而且提高了该第一阀组的控制准确性和及时性,保证本申请实施例的热管理设备在热管循环模式与压缩制冷循环模式之间稳定切换。
在一种可选的实现方式中,
第二阀组包括至少一个第三单向阀,第三单向阀的入口端与第二冷凝器的入口端连通,第三单向阀的出口端与第一冷凝器的入口端连通,压缩机的出口端与第三单向阀的入口端连通;
或者,第二阀组包括至少一个第三三通阀,第三三通阀的第一端口第一冷凝器的入口端连通,第三三通阀的第二端口与第二冷凝器的入口端连通,第三三通阀的第三 端口与压缩机的出口端连通。
本申请实施例通过将第二阀组设置为至少一个第三单向阀,并将第三单向阀的入口端与低温回路上的冷凝器的入口端连通,将第三单向阀的出口端与高温回路上的冷凝器的入口端连通,这样,当两个热管循环回路处于工作状态,即在热管循环模式下,因第三单向阀由低温回路指向高温回路,则该第三单向阀逆向止回,即该第三单向阀处于自动关闭状态,从而不仅保证热管循环模式下,两个热管循环回路相互独立,而且第三单向阀在热管循环模式下自动关闭有效提高了整个热管理设备的控制效率。同时,在压缩制冷循环回路处于工作状态,即在压缩制冷循环模式下,因压缩机的排气压力使得第三单向阀的入口端的压力大于出口端的压力,从而保证第三单向阀自动导通,确保压缩机内的工质能够分别进入两个冷凝器内,从而不仅保证压缩制冷循环模式下的换热效率,而且第三单向阀在压缩制冷循环模式下自动导通有效提高了整个热管理设备的控制效率。
另外,通过将第二阀组设置为至少一个第三三通阀,这样,可通过电信号及时调节第三三通阀的开关状态,不仅能够保证在环境温度小于设定温度时,该第三三通阀处于关闭状态,以及在环境温度大于或者等于设定温度时,该第三三通阀处于导通状态,而且提高了该第二阀组的控制准确性和及时性,保证本申请实施例的热管理设备在热管循环模式与压缩制冷循环模式之间稳定切换。
在一种可选的实现方式中,第二阀组包括至少两个第四三通阀;至少两个第四三通阀中,其中一个第四三通阀的第一端口与第一蒸发器的出口端连通,其中一个第四三通阀的第二端口与第一冷凝器的入口端连通,另一个第四三通阀的第一端口与第二蒸发器的出口端连通,另一个第四三通阀的第二端口与第二冷凝器的入口端连通,每个第四三通阀的第三端口均与压缩机的出口端连通。
本申请实施例通过将第二阀组设置为至少两个第四三通阀,并将这两个第四三通阀分别设置在两个热管循环回路的冷凝器的入口端,将每个第四三通阀的第一端口和第二端口分别与对应的热管循环回路中的蒸发器的出口端和冷凝器的入口端连通,每个第四三通阀的第三端口均与压缩机的出口端连通,这样,当环境温度小于设定温度时,可通过电信号控制两个第四三通阀的第一端口和第二端口处于导通状态,第三端口处于关闭状态,使得该热管理设备在热管循环模式下工作,即使得两个热管循环回路独立工作,以在保证换热效率的同时,降低能耗,当环境温度大于或者等于设定温度时,可通过电信号控制两个第四三通阀的第二端口和第三端口处于导通状态,第一端口处于关闭状态,这样不仅保证该热管理设备在压缩制冷循环模式下工作,即使得压缩制冷循环回路独立工作,以提高换热效率,而且有效的避免了压缩机排出的部分高压气体经两个热循环回路的高温段反流至两个蒸发器内,确保压缩制冷循环回路稳定工作。
在一种可选的实现方式中,热管理设备还包括至少两个第五阀门;
至少两个第五阀门中的其中一个设置在第一热管循环回路的高温段,至少两个第五阀门中的另一个设置在第二热管循环回路的高温段,且每个第五阀门均连通在第一阀组和第二阀组之间。
本申请实施例通过在两个热管循环回路的高温段设置第五阀门,这样,热管理设 备处于压缩制冷循环模式时,可通过关闭两个第五阀门,以封堵两个热管循环回路的高温段,避免了压缩机排出的部分高压气体经两个热循环回路的高温段反流至两个蒸发器内,确保压缩制冷循环回路稳定工作。
在一种可选的实现方式中,每个第五阀门均为第四单向阀,至少两个第四单向阀中,其中一个第四单向阀的入口端与第一蒸发器的出口端连通,其中一个第四单向阀的出口端与第一冷凝器的入口端连通;
另一个第四单向阀的入口端与第二蒸发器的出口端连通,另一个第四单向阀的出口端与第二冷凝器的入口端连通。
本申请实施例通过将第五阀门设置为第四单向阀,这样,在热管理设备处于热管循环模式时,两个第四单向阀可在蒸发器出口端的蒸汽压力的作用下自动导通,实现两个热管循环回路的稳定工作,而在热管理设备处于压缩制冷循环模式时,两个第四单向阀可在压缩机的排气压力与吸气压力的压差作用下自动关闭,不仅保证两个热管循环回路的高温段在压缩制冷模式下自动关闭,而且有效的简化了热管理设备的控制程序,提高了热管理设备的工作效率。
在一种可选的实现方式中,第一阀组包括至少两个第五三通阀;
至少两个第五三通阀中,其中一个第五三通阀的第一端口与第一蒸发器的出口端连通,其中一个第五三通阀的第二端口与第一冷凝器的入口端连通;另一个第五三通阀的第一端口与第二蒸发器的出口端连通,另一个第五三通阀的第二端口与第二冷凝器的入口端连通;
每个第五三通阀的第三端口均与压缩机的入口端连通。
本申请实施例通过将第一阀组设置为至少两个第五三通阀,并将至少两个第五三通阀分别设置在两个热管循环回路的蒸发器的出口端,将每个第五三通阀的第一端口和第二端口分别与对应的热管循环回路中的蒸发器的出口端和冷凝器的入口端连通,每个第五三通阀的第三端口均与气液分离器的入口端连通,这样,当环境温度小于设定温度时,可通过电信号控制两个第五三通阀的第一端口和第二端口处于导通状态,第三端口处于关闭状态,使得该热管理设备在热管循环模式下工作,即使得两个热管循环回路独立工作,以在保证换热效率的同时,降低能耗,当环境温度大于或者等于设定温度时,可通过电信号控制两个第五三通阀的第一端口和第三端口处于导通状态,第二端口处于关闭状态,从而保证两个蒸发器排出的蒸汽均进入压缩机内,即保证该热管理设备在压缩制冷循环模式下工作,以提高换热效率。
在一种可选的实现方式中,第二阀组包括至少一个第六三通阀,第六三通阀的第一端口与第一冷凝器的入口端连通,第六三通阀的第二端口与第二冷凝器的入口端连通,第六三通阀的第三端口与压缩机的出口端连通。
本申请实施例通过将第二阀组设置为至少一个第六三通阀,这样,可通过电信号及时调节第六三通阀的开关状态,不仅能够保证在环境温度小于设定温度时,该第六三通阀处于关闭状态,以及在环境温度大于或者等于设定温度时,该第六三通阀处于导通状态,而且提高了该第二阀组的控制准确性和及时性,保证本申请实施例的热管理设备在热管循环模式与压缩制冷循环模式之间稳定切换。
在一种可选的实现方式中,第二阀组包括至少两个第七三通阀;
至少两个第七三通阀中,其中一个第七三通阀的第一端口与第一蒸发器的出口端连通,其中一个第七三通阀的第二端口与第一冷凝器的入口端连通,另一个第七三通阀的第一端口与第二蒸发器的出口端连通,另一个第七三通阀的第二端口与第二冷凝器的入口端连通;
每个第七三通阀的第三端口均与压缩机的出口端连通。
本申请实施例通过将第二阀组设置为至少两个第七三通阀,并将至少两个第七三通阀分别设置在两个热管循环回路的冷凝器的入口端,将每个第七三通阀的第一端口和第二端口分别与对应的热管循环回路中的蒸发器的出口端和冷凝器的入口端连通,每个第七三通阀的第三端口均与压缩机的出口端连通,这样,当环境温度小于设定温度时,可通过电信号控制两个第七三通阀的第一端口和第二端口处于导通状态,第三端口处于关闭状态,使得该热管理设备在热管循环模式下工作,即使得两个热管循环回路独立工作,以在保证换热效率的同时,降低能耗,当环境温度大于或者等于设定温度时,可通过电信号控制两个第七三通阀的第二端口和第三端口处于导通状态,第一端口处于关闭状态,这样不仅保证该热管理设备在压缩制冷循环模式下工作,即使得压缩制冷循环回路独立工作,以提高换热效率,而且有效的避免了压缩机排出的部分高压气体经两个热循环回路的高温段反流至两个蒸发器内,确保压缩制冷循环回路稳定工作。
在一种可选的实现方式中,热管理设备还包括气液分离器,气液分离器的入口端与第一阀组连通,气液分离器的出口端与压缩机的入口端连通,以保证进入压缩机内的工质均为气态工质,从而延长了压缩机的使用寿命。
本申请实施例还提供一种散热系统,包括系统本体、至少一个发热设备及至少一个如上的热管理设备,发热设备位于系统本体内,热管理设备的回风口和送风口均与系统本体的内部连通,以对发热设备进行降温。
本申请实施例的散热系统,通过上述热管理设备对系统本体内的发热设备进行散热,能够在低温环境下通过两个热管循环回路实现对散热系统的内部空气的二级散热,从而提高了热管理设备在低温环境下对发热设备的换热效率。同时,热管理设备能够在高温环境下通过具有两个并排的蒸发器的压缩制冷循环回路对散热系统的内部空气进行散热,增大了压缩制冷循环回路与系统内部的空气之间换热面积,从而提高了热管理设备在高温环境下的换热效率,进而实现对发热设备的快速降温,延长了发热设备的使用寿命。
本申请实施例还提供一种热管理设备的工作方法,该工作方法应用于上述热管理设备,
当环境温度小于设定温度时,热管理设备的第一阀组和第二阀组导通每个热管循环回路中的高温段,关闭第一阀组与第二阀组之间设有压缩机的管路,同时,热管理设备的第三阀门打开,每个热管循环回路的低温段导通,至少两个节流装置关闭,至少两个热管循环回路处于工作状态;
当环境温度大于或者等于设定温度时,第一阀组和第二阀组导通第一阀组与第二阀组之间设有压缩机的管路,关闭每个热管循环回路中的高温段,且压缩机打开;同时,每个第三阀门关闭,每个节流装置打开,热管理设备的压缩制冷循环回路处于工 作状态;其中,压缩制冷循环回路至少由压缩机及至少两个并联的小段串联形成,每个小段由至少一个冷凝器、至少一个节流装置及至少一个蒸发器串联形成。
本申请实施例的热管理设备的工作方法,通过调节第一阀组、第二阀组及至少两个第三阀门的开关状态,使得在环境温度例如户外机柜内的温度低于设定温度时,至少两个热管循环回路处于导通状态,压缩机、至少两个并联的小段(每个小段由冷凝器、节流装置及蒸发器串联而成)形成的压缩制冷循环回路处于关闭状态,即保证在低温环境下,通过两个独立热管循环回路增大了热管理设备的换热温差,实现了对室内空气的二级散热,从而提高了热管理设备在低温环境下的换热效率。
另外,可通过调节第一阀组、第二阀组及至少两个第三阀门的开关状态,使得在环境温度例如户外机柜内的温度高于或者等于设定温度时,两个热管循环回路处于关闭状态,压缩机、至少两个并联的小段(每个小段由冷凝器、节流装置及蒸发器串联而成)形成的压缩制冷循环回路处于导通状态,即保证在高温环境下,通过具有至少两个并排的蒸发器及冷凝器的压缩制冷循环回路实现对室内进行散热,相比于传统技术,增大了压缩制冷循环回路的换热面积,从而提高了热管理设备在高温环境下的换热效率。
附图说明
图1是本申请实施例一提供的热管理设备的第一种结构示意图;
图2是本申请实施例一提供的散热系统的结构示意图;
图3是图1中热管循环回路的结构示意图;
图4是图1中压缩制冷循环回路的结构示意图;
图5是本申请实施例一提供的热管理设备的第二种结构示意图;
图6是本申请实施例一提供的热管理设备的第三种结构示意图;
图7是本申请实施例一提供的热管理设备的第四种结构示意图;
图8是本申请实施例二提供的热管理设备的结构示意图;
图9是本申请实施例三提供的热管理设备的第一种结构示意图;
图10是本申请实施例三提供的热管理设备的第二种结构示意图;
图11是本申请实施例三提供的热管理设备的第三种结构示意图;
图12是本申请实施例三提供的热管理设备的第四种结构示意图;
图13是本申请实施例四提供的热管理设备的第一种结构示意图;
图14是本申请实施例四提供的热管理设备的第二种结构示意图。
附图标记说明:
10-散热系统;
11-系统本体;12-发热设备;13-热管理设备;
100-热管循环回路;200-第一阀组;300-第二阀组;400-气液分离器;500-压缩机;600-节流装置;700-第三阀门;800-第四阀门;900-第五阀门;
101-第一热管循环回路;102-第二热管循环回路;110-蒸发器;120-冷凝器;210-第一单向阀;220-第二三通阀;230-第五三通阀;310-第二单向阀;320-第一三通阀;330-第三单向阀;340-第三三通阀;350-第四三通阀;360-第六三通阀;370-第七三通 阀;610-第一节流装置;620-第二节流装置;
111-第一蒸发器;112-第二蒸发器;121-第一冷凝器;122-第二冷凝器。
具体实施方式
本申请的实施方式部分使用的术语仅用于对本申请的具体实施例进行解释,而非旨在限定本申请。
为了对户外机柜或者机房内部的基站设备、电源设备及传输设备等进行散热,确保各个设备稳定工作,通常在户外机柜或者机房内设置有制冷设备,通过制冷设备对户外机柜或者机房内进行降温,以防止各个设备因高温而发生损坏。
目前的制冷设备主要为压缩制冷空调和热交换器。随着通信站点能耗上升,温控耗能增加,提升温控系统的能效意义重大,户外机柜或者机房采用压缩制冷空调进行散热的能耗较高。另外,采用热交换器散热能耗低,但无法满足高温环境下设备入风口的温度要求。
为了解决上述问题,传统的制冷设备还包括压缩制冷空调与热交换器一体机,其可以在环境温度(即户外机柜或者机房内部的温度)低时工作在热管循环模式下,在环境温度高时工作在压缩制冷循环模式,兼顾节能和满足高温环境的使用要求。
具体地,该压缩制冷空调与热交换器一体机包括两个相互独立的压缩制冷循环回路和热管热循环回路。其中,热管循环回路包括一个蒸发器和一个冷凝器,该蒸发器的出口端与冷凝器的入口端连通,冷凝器的出口端与蒸发器的入口端连通,蒸发器和冷凝器连通形成一个热管循环回路,在热管循环回路的真空管壳内充入工质,以实现与外部气流进行热交换。实际应用中,蒸发器的出口端与冷凝器的入口端之间的管路为高温段,冷凝器的出口端与蒸发器的入口端之间的管路为低温段。其中,高温段的工质的温度高于低温段的工质的温度。
热管循环回路工作时,当液态工质进入蒸发器后,会与蒸发器侧壁接触的内循环气流发生热交换,该工质吸收热量后气化为蒸汽,并经高温段进入冷凝器内,然后与冷凝器侧壁上的外循环气流发生热交换,该气态工质降温后冷凝为液态工质,继而再经低温段进入蒸发器内,如此循环。
在工质的整个循环过程中,与蒸发器侧壁接触的内循环气流因将自身的热量传递至蒸发器内的工质,使得该内循环气流得以降温,并吹入户外机柜或者机房内,而经过冷凝器侧壁的低温外循环气流吸热后排出至户外机柜或者机房外部。
其中,内循环气流是指户外机柜或者机房内部的气流,外循环气流是指户外机柜或者机房外部的气流。
可以理解的是,制冷设备具有与户外机柜或者机房内部连通的内循环进风口(又称回风口)和内循环出风口(又称送风口),以及与户外机柜或者机房外部连通的外循环进风口和外循环出风口。散热时,内循环气流从制冷设备的内循环进风口进入制冷设备内部,与蒸发器进行接触,与蒸发器内工质实现热交换后从内循环出风口进入户外机柜或者机房内部,对内部的电子设备进行降温,外循环气流从制冷设备的外循环进风口进入制冷设备内,与冷凝器进行接触,与该冷凝器内的工质实现热交换后从外循环出风口排出至户外机柜或者机房外部。
压缩制冷循环回路包括依次串联的蒸发器、气液分离器、压缩机、冷凝器及节流装置。工作时,压缩机将工质压缩成高压气态工质,这种气态工质再经过冷凝器,与外循环气流发生热交换后冷凝成液态工质,该液态工质通过节流装置进行降温降压后,通入到蒸发器中,与所需要冷却的媒介例如内循环气流进行热交换,即吸收内循环气流的热量后蒸发为气态工质,并进入气液分离器,气液分离后,气态工质继续进入压缩机进行压缩,如此循环。
在工质的整个循环过程中,与蒸发器侧壁接触的内循环气流因将自身的热量传递至蒸发器内的工质,使得该内循环气流得以降温,并吹入户外机柜或者机房内,而经过冷凝器侧壁的低温外循环气流吸热后排出至户外机柜或者机房外部。
在上述压缩制冷空调与热交换器一体机中,热交换器即热管循环回路随时处于准备工作状态,只有满足内循环气流(户外机柜或者机房内的气流)的温度高于外循环气流的温度时,热管循环回路便可处于工作状态;而当内循环气流(户外机柜或者机房内的气流)的温度高于压缩制冷循环回路的设定温度时,该压缩制冷循环回路才启动工作,也即是说,传统的压缩制冷空调与热交换器一体机是当环境温度低时在热管循环模式下工作,当环境温度高时在压缩制冷循环模式下工作。
其中,环境温度包括但不限于机房或者户外机柜外的空气温度、机房或者户外机柜内的空气温度、制冷设备回风口的温度、制冷设备送风口温度、机房或户外机柜内电子设备入风口温度、电子设备出风口温度及电子设备的表面温度。当然,该环境温度也包括上述任意位置上采集的多个温度的运算值或者上述不同位置上采集的多个温度的运算值。
其中,制冷设备回风口的温度是指制冷设备中内循环气流的出风口温度,该内循环气流的出风口与机房或者户外机柜内部连通。制冷设备送风口温度是指外循环气流的出风口温度,外循环气流的出风口与机房或者户外机柜的外部连通。
上述压缩制冷空调与热交换器一体机中的压缩制冷循环回路与热管循环回路相互独立,即有两组蒸发器和两组冷凝器,然而,在压缩制冷循环模式下工作时,仅一组蒸发器和一组冷凝器起作用,即该压缩制冷循环模式为单回路循环,换热效率低,相应地,在热管循环模式下工作时,仅一组蒸发器和冷凝器工作,即该热管循环模式也为单回路循环,换热效率低,该压缩制冷循环回路上的蒸发器和冷凝器不起作用,同时会增加内外循环气流的阻力,进而降低换热效率。
本申请实施例提供的散热系统、热管理设备及其工作方法,通过设置至少两个热管循环回路,并将至少两个热管循环回路的蒸发器和冷凝器分别并排设置,同时在两个蒸发器的出口端和两个冷凝器的入口端处分别设置第一阀组和第二阀组,在第一阀组与第二阀组合之间依次串联气液分离器和压缩机,且该气液分离器和压缩机与任意一个热管循环回路的高温段并联设置,同时在两个热管循环回路的低温段分别设置一个节流装置,并在每个节流装置上并联一第三阀门,这样,可通过调节第一阀组、第二阀组及两个第三阀门的开关状态,使得在环境温度例如户外机柜内的温度低于设定温度时,两个热管循环回路处于导通状态,气液分离器、压缩机、两个并联的小段(每个小段由冷凝器、节流装置及蒸发器串联而成)形成的压缩制冷循环回路处于关闭状态,即保证在低温环境下,通过两个独立热管循环回路增大了热管理设备的换热温差, 实现了对室内空气的二级散热,从而提高了热管理设备在低温环境下的换热效率。另外,可通过调节第一阀组、第二阀组及两个第三阀门的开关状态,使得在环境温度例如户外机柜内的温度高于或者等于设定温度时,两个热管循环回路处于关闭状态,气液分离器、压缩机、两个并联的小段(每个小段由冷凝器、节流装置及蒸发器串联而成)形成的压缩制冷循环回路处于导通状态,即保证在高温环境下,通过具有两个并排的蒸发器及冷凝器的压缩制冷循环回路实现对室内进行散热,相比于传统技术,增大了热管理设备在高温环境下的换热面积,从而提高了热管理设备在高温环境下的换热效率。本申请实施例的热管理设备实现了两个循环模式下两组蒸发器和两组冷凝器均可起作用的功能,充分利用了两个循环回路的设备,有效提高了热管理设备在任意模式下的换热效率。
以下对本申请实施例的散热系统、热管理设备及其工作方法的具体结构进行详细说明。
实施例一
图1是本申请实施例一提供的热管理设备的第一种结构示意图。参照图1所示,本申请实施例提供一种热管理设备13,包括压缩机500、至少两个两个节流装置600、第一阀组200、第二阀组300、至少两个第三阀门700及至少两个热管循环回路100。
图2是本申请实施例一提供的散热系统的结构示意图。参照图2所示,本申请实施例的热管理设备13用于对散热系统10内的发热设备12进行散热。
实际应用中,本申请实施例的热管理设备13包括与散热系统10内部连通的内循环进风口(又称回风口)和内循环出风口(又称送风口),以及与户外机柜或者机房等散热系统10外部连通的外循环进风口和外循环出风口。
具体散热时,散热系统10的系统本体11内部的空气即内循环气流c从回风口进入本申请实施例的热管理设备13内,通过热管理设备13内的热管循环回路100进行换热后,从送风口排出至系统本体11的内部空间,对系统本体11内的发热设备12进行降温。与此同时,散热系统10外部的空气即外循环气流d从外循环进风口进入热管理设备13内,与热管循环回路100进行热交换,继而从外循环出风口排出散热系统10以及热管理设备13的外部。
需要说明的是,本申请实施例的散热系统10包括但不限于户外机柜、机房及车辆中的任意一种。发热设备12包括但不限于基站设备、电源设备、蓄电池、传输设备、驱动设备中的任意一种。以户外机柜为例,发热设备12可以是位于户外机柜本体内的基站设备、电源设备、蓄电池或传输设备等在工作中发出热量的设备。
图3是图1中热管循环回路的结构示意图。参照图3所示,实际应用中,每个热管循环回路100均包括一个蒸发器110和一个冷凝器120,该蒸发器110的出口端与冷凝器120的入口端之间通过管路连通,冷凝器120的出口端与蒸发器110的入口端之间通过管路连通,蒸发器110和冷凝器120连通形成一个热管循环回路100,在热管循环回路100的真空管壳内充入有工作物质(以下均简称为工质),该工质用于与外部的气流进行热交换。
其中,冷凝器120的出口端与蒸发器110的入口端之间的管路为热管循环回路100 的低温段a,蒸发器110的出口端与冷凝器120的入口端之间的管路为热管循环回路100的高温段b。可以理解的是,高温段b内的工质温度大于低温段a内工质的温度。
继续参照图2所示,任意一个热管循环回路100在工作过程中,当液态工质进入蒸发器110后,会流经蒸发器110侧壁的高温内循环气流c发生热交换,该液态工质吸收内循环气流c的热量后气化为蒸汽,即气态工质,该气态工质继而经高温段b进入冷凝器120内,与冷凝器120侧壁上的低温外循环气流d发生热交换,即将气态工质的热量传递至外循环气流d,该气态工质降温后冷凝为液态工质,继而再经低温段a进入蒸发器110内,如此反复循环。
在工质的整个循环过程中,与蒸发器110侧壁接触的内循环气流c因将自身的热量传递至蒸发器110内的工质,使得该内循环气流c得以降温,并吹入室内例如户外机柜或者机房内,而经过冷凝器120侧壁的低温外循环气流d吸热后排出至室外例如户外机柜或者机房外部。
散热过程中,内循环气流c从回风口进入热管理设备13内部,与蒸发器110进行接触,与蒸发器110内工质实现热交换后从送风口进入户外机柜或者机房等散热系统10的内部,对内部的发热设备12进行降温,外循环气流d从热管理设备13的外循环进风口进入热管理设备13内,与冷凝器120进行接触,与该冷凝器120内的工质实现热交换后从外循环出风口排出至户外机柜或者机房外部。
具体设置时,本申请实施例的热管循环回路100可以包括但不限于重力热管循环回路、泵驱动热管回路及毛细力驱动热管回路中的任意一种,这样可提高该热管循环回路100的设置灵活性。另外,当将热管循环回路100设置为重力热管循环回路时,位于热管循环回路100的高温段b的工质经冷凝器120冷却后,会在重力的作用下进入低温段a的蒸发器110内,从而节约了热管循环回路100的能耗。
参照图1和图3所示,本申请实施例以两个热管循环回路100为例进行说明,其中,两个热管循环回路100包括第一热管循环回路101和第二热管循环回路102。第一热管循环回路101包括第一蒸发器111和第一冷凝器121,第二热管循环回路102包括第二蒸发器112和第二冷凝器122。
第一热管循环回路101和第二热管循环回路102相互套设在一起,且两个热管循环回路100的蒸发器110及冷凝器120分别并排设置,例如,第一蒸发器111和第二蒸发器112并排设置,第一冷凝器121和第二冷凝器122并排设置,另外,本申请实施例的两个热管循环回路100相互独立设置,且其中一个为低温回路,另一个为高温回路,本申请实施例具体以第一热管循环回路101为高温回路,第二热管循环回路102为低温回路为例进行说明。
需要说明的是,本申请实施例的两个蒸发器110例如第一蒸发器111和第二蒸发器112具体是沿垂直于蒸发器110内工质的流动方向并排设置。在一些示例中,第一蒸发器111和第二蒸发器112可以沿水平方向(如图1中x方向所示)依次并排设置,例如第一蒸发器111位于左侧,第二蒸发器112位于右侧,且第一蒸发器111和第二蒸发器112的出口端均朝上(如图1中y方向所示),第一蒸发器111和第二蒸发器112的入口端均朝下(如图1所中y方向的反方向所示)。相应地,两个冷凝器120例如第一冷凝器121和第二冷凝器122可以沿水平方向(如图1中x方向所示)依次 并排设置,例如第一冷凝器121位于左侧,第二冷凝器122位于右侧,且第一冷凝器121和第二冷凝器122的入口端均朝上(如图1中y方向所示),第一冷凝器121和第二冷凝器122的出口端均朝下(如图1所中y方向的反方向所示)。例如,当每个热管循环回路100为重力热管循环回路时,两个蒸发器110和两个冷凝器120的设置方式便为上述示例的设置方式。
当然,在其他示例中,两个蒸发器110例如第一蒸发器111和第二蒸发器112可以沿竖直方向(如图1中y方向所示)依次并排设置,例如第一蒸发器111位于上侧,第二蒸发器112位于下侧,且第一蒸发器111和第二蒸发器112的出口端均朝右(如图1中x方向所示),第一蒸发器111和第二蒸发器112的入口端均朝左(如图1所中x方向的反方向所示)。相应地,两个冷凝器120例如第一冷凝器121和第二冷凝器122可以沿竖直方向(如图1中y方向所示)依次并排设置,且第一冷凝器121和第二冷凝器122的入口端均朝右(如图1中x方向所示),第一冷凝器121和第二冷凝器122的出口端均朝左(如图1所中x方向的反方向所示)。
其中,高温回路中工质的温度较低温回路中的工质的温度高,也即是说,第一热管循环回路101与第二热管循环回路102内的工质具有温度差。
参照图3所示,第一热管循环回路101与第二热管循环回路102同时工作时,两个温度不同的工质分别进入第一蒸发器111和第二蒸发器112后,内循环气流c先经高温回路上的第一蒸发器111,与该第一蒸发器111内的工质进行热交换,使内循环气流c进行第一次降温,降温后的内循环气流c再经低温回路上的第二蒸发器112,与该第二蒸发器112内的工质继续进行热交换,使该内循环气流c进行第二次降温,二次降温后的内循环气流c从送风口进入散热系统10的系统本体11内部,对系统本体11内的发热设备12进行降温。
相比于传统技术,实现了内循环气流c的二级降温,增大了热管理设备13中蒸发器110内工质与内循环气流c之间的换热温差,从而提高了热管理设备13对发热设备12例如户外机柜或者机房内的电源设备等的散热效率。
另外,第一蒸发器111蒸发后的气态工质进入第一冷凝器121,同时,第二蒸发器112内蒸发后的气态工质进入第二冷凝器122后,外循环气流d先经低温回路上的第二冷凝器122,与该第二冷凝器122内的工质进行热交换,使外循环气流d进行第一次升温,升温后的外循环气流d再经高温回路上的第一冷凝器121,与该第一冷凝器121内的工质继续进行热交换,使该外循环气流d进行第二次升温,升温后的外循环气流d从热管理设备13的外循环出风口排出至热管理设备13以及散热系统10的外部。相比于传统技术,实现了外循环气流d的二级升温,换而言之,实现了外循环气流d对两个冷凝器120内的工质的冷凝。
参照图1所示,本申请实施例的第一蒸发器111的出口端和第二蒸发器112的出口端共同连通第一阀组200,第一冷凝器121的入口端和第二冷凝器122的入口端共同连通第二阀组300,压缩机500串联在第一阀组200与第二阀组300之间,具体而言,压缩机500的入口端与第一阀组200连通,压缩机500的出口端与第二阀组300连通,且压缩机500与每个热管循环回路100的高温段b并联设置,换句话说,压缩机500所处的管路段与任意一个热管循环回路100中的蒸发器110与冷凝器120之间 的管路段并联设置,而并非设置在任意一个热管循环回路100中的蒸发器110与冷凝器120之间的管路上,也即是说,两个热管循环回路100的高温段b与压缩机500所处的管路段为两个相互独立的管路。
这样,热管理设备13在具体工作时,可通过调节第一阀组200和第二阀组300的开关状态,使得第一热管循环回路101的高温段b与第二热管循环回路102的高温段b均导通,使压缩机500所形成的管路段关闭,也即是说,使得第一蒸发器111通过第一热管循环回路101的高温段b进入第一冷凝器121内,第二蒸发器112内的工质通过第二热管循环回路102的高温段b进入第二冷凝器120内(如图3所示)。
图4是图1中压缩制冷循环回路的结构示意图。参照图1和图4所示,同时,也可通过调节第一阀组200和第二阀组300的开关状态,使得第一热管循环回路101的高温段b与第二热管循环回路102的高温段b均关闭,使压缩机500所形成的的管路段导通,也即是说,使第一蒸发器111内的工质和第二蒸发器112内的工质均进入压缩机500内,经过压缩后形成高压气态工质,并分别进入第一冷凝器121和第二冷凝器122内。
继续参照图1,本申请实施例的至少两个节流装置600分别串联在两个冷凝器120的出口端与蒸发器110的入口端之间,即两个节流装置600分别串联在两个热管循环回路100的低温段a。
例如,参照图1所示,本申请实施例的至少两个节流装置600包括第一节流装置610和第二节流装置620。其中,第一节流装置610的入口端与第一冷凝器121的出口端连通,第一节流装置610的出口端与第一蒸发器111的入口端连通,相应地,第二节流装置620的入口端与第二冷凝器122的出口端连通,第二节流装置620的出口端与第二蒸发器112的入口端连通。
继续参照图1,至少两个第三阀门700分别与两个节流装置600并联设置,以两个第三阀门700为例,两个第三阀门700中的其中一个与第一节流装置610并联设置,两个第三阀门700中的另一个与第二节流装置620并联设置,这样,可通过导通两个第三阀门700,使得两个冷凝器120内的液态工质分别通过两个第三阀门700进入两个蒸发器110内,例如,导通两个第三阀门700,第一冷凝器121内的液态工质从其中一个第三阀门700进入第一蒸发器111内,第二冷凝器122内的液态工质从另一个第三阀门700进入第二蒸发器112内。同时,也可通过关闭两个第三阀门700,使得两个冷凝器120内的液态工质分别通过两个节流装置600进入两个蒸发器110内(如图4所示)。
可以理解的是,参照图3所示,两个第三阀门700导通时,两个冷凝器120与两个蒸发器110之间的管路可看做是单纯的管道,这样,两个冷凝器120内的液态工质可通过管道直接进入各自的蒸发器110内。
其中,第三阀门700可以是电磁阀,这样,可通过信号控制该第三阀门700的开关状态,以提高对第三阀门700的控制效率,从而提高该热管理设备13的工作效率。
另外,本申请实施例的节流装置600可以包括但不限于毛细管、热力膨胀阀及电子膨胀阀中的任意一种。本申请实施例的压缩机500的具体结构和工作原理可以直接参照现有技术,此处不在赘述。
参照图4所示,本申请实施例中,压缩机500、至少两个冷凝器120、至少两个节流装置600及至少两个蒸发器110形成一个压缩制冷循环回路。以两个蒸发器120、两个节流装置600以及两个蒸发器110为例,两个冷凝器120、两个节流装置600及两个蒸发器110中的一个冷凝器120、一个节流装置600、一个蒸发器110依次串联形成一个小段,例如,第一冷凝器121、第一节流装置610及第一蒸发器111依次串联形成其中一个小段,第二冷凝器122、第二节流装置620及第二蒸发器112依次串联形成另一个小段,压缩机500的出口端与入口端之间并联上述两个小段。
具体而言,上述两个小段的入口端即第一冷凝器121的入口端和第二冷凝器122的入口端均与压缩机500的出口端连通,两个小段的出口端即第一蒸发器111的出口端和第二蒸发器112的出口端均与压缩机500的入口端连通,这样,压缩机500以及两个并联的小段共同形成压缩制冷循环回路。
参照图4所示,压缩制冷循环回路工作时,工质会在压缩机500、两个并联的小段(每个小段由冷凝器120、节流装置600及蒸发器110串联而成)形成一个循环回路中流动,例如,工质会从压缩机600的出口端分别进入第一冷凝器121和第二冷凝器122,继而从第一冷凝器121和第二冷凝器122分别进入第一节流装置610和第二节流装置620内,接着从第一节流装置610和第二节流装置620分别进入第一蒸发器111和第二蒸发器112,最后从第一蒸发器111和第二蒸发器112的出口端继续进入压缩机500内,使得工质在压缩制冷循环回路中循环流动。基于上述可知,在压缩制冷循环回路工作时,两个蒸发器110和两个冷凝器120均能够起到换热的作用。
值得说明的是,当压缩制冷循环回路工作时,从压缩机500的出口端排出的高温高压工质会分别进入两个冷凝器120、两个节流装置600以及两个蒸发器110内,则两个冷凝器120内工质的温度相等,同样的,两个蒸发器110内工质的温度也相等。这样,内循环气流c可通过两个蒸发器110与内部的工质进行热交换,相比于传统技术增大了压缩制冷循环模式下内循环气流c与低温工质之间的换热面积,从而提高了压缩制冷循环回路对发热设备12例如户外机柜或者机房内的基站设备散热效率。
另外,经两个蒸发器110蒸发后的气态工质进入两个冷凝器120后,外循环气流d可通过高温回路102上的两个冷凝器120与高温工质继续进行热交换,相比于传统技术增大了压缩制冷循环模式下外循环气流与高温工质之间的换热面积,换而言之,实现了外循环气流d对两个冷凝器120内的工质的冷凝。
同时,第一冷凝器121和第二冷凝器122流出的液态工质会分别经第一节流装置610和第二节流装置620进行降温降压,使该降温降压后的液态工质到达第一蒸发器111和第二蒸发器112内后,能够对内循环气流c进行有效降温。
本申请实施例还提供一种热管理设备13的工作方法,该工作方法如下:
参照图1和图3所示,当环境温度小于设定温度时,通过调节第一阀组200和第二阀组300,以导通每个热管循环回路100的高温段b,关闭第一阀组200与第二阀组300之间设有压缩机500所在的管路,同时,每个第三阀门700打开,每个热管循环回路100的低温段a导通,每个节流装置600关闭,至少两个热管循环回路100处于工作状态,压缩制冷循环回路处于关闭状态,即该热管理设备13在热管循环模式下工作,即第一热管循环回路101和第二热管循环回路102完成对散热系统10例如户外机 柜内的电子设备的散热。
值得说明的是,本申请实施例中的环境温度包括但不限于散热系统10的系统本体11内例如机房或者户外机柜内的空气温度、热管理设备13的回风口的温度、热管理设备13的送风口温度、发热设备12例如户外机柜内电子设备的入风口温度、电子设备出风口温度及电子设备的表面温度。当然,该环境温度也包括上述任意位置上采集的多个温度的运算值或者上述不同位置上采集的多个温度的运算值。
另外,设定温度是指压缩制冷循环回路内部设定的启动温度,即当环境温度高于该设定温度时,压缩机500打开,压缩制冷循环回路启动工作。本申请实施例的设定温度可根据实际要求进行调整。示例性地,该设定温度可以是35℃以上,例如,设定温度可以是35℃、40℃、45℃等合适的温度值。
例如,当户外机柜内的温度小于设定温度时,通过调节第一阀组200和第二阀组300,以保证第一蒸发器111与第一冷凝器121之间的高温段b以及第二蒸发器112与第二冷凝器122之间的高温段b处于导通状态,并保证压缩机500所处的管路段处于关闭状态,同时关闭压缩机500,打开两个第三阀门700,使得第一冷凝器121的出口端与第一蒸发器111的入口端之间的低温段a以及第二冷凝器122的出口端与第二蒸发器112的入口端之间的低温段a均处于导通状态,进而完成第一热管循环回路101和第二热管循环回路102的导通,压缩制冷循环回路的关闭。
具体而言,第一蒸发器111内的液态工质与内循环气流c换热后蒸发为气态工质,并经第一热管循环回路101的高温段b进入第一冷凝器121内,同时,第二蒸汽112内的液态工质与内循环气流c换热后蒸发为气态工质,并经第二热管循环回路102的高温段b进入第二冷凝器122内,与外循环气流d换热后冷凝为液态工质,该液态工质接着从各自的管道进入第一蒸发器111和第二蒸发器112内,使得工质在第一热管循环回路101和第二热管循环回路102内循环流动,从而在热管循环模式下完成对发热设备12的二级散热。
当环境温度例如户外机柜内的温度大于或者等于设定温度时,通过调节第一阀组200、第二阀组300,以导通压缩机500所在的管路段,关闭每个热管循环回路100的高温段b,并打开压缩机500以及每个节流装置600,并关闭每个第三阀门700,从而导通压缩制冷循环回路,关闭每个热管循环回路100,压缩制冷循环回路处于工作状态,即该热管理设备13在压缩制冷循环模式下工作。
例如,当散热系统10例如户外机柜内的温度大于或者等于设定温度时,通过调节第一阀组200和第二阀组300,以保证第一蒸发器111与第一冷凝器121之间的高温段b以及第二蒸发器112与第二冷凝器122之间的高温段b处于关闭状态,并保证压缩机500所处的管路段处于导通状态,同时打开压缩机500、第一节流装置610及第二节流装置620,关闭两个第三阀门700,使第一蒸发器111和第一蒸发器112内的气态工质通过压缩机500进入第一冷凝器121和第二冷凝器122内,与外循环气流d换热后冷凝为液态工质,该液态工质接着进入第一节流装置610和第二节流装置610,经第一节流装置610降压后的液态工质进入第一蒸发器111,经第二节流装置610降压后的液态工质进入第二蒸发器112内,最后两个蒸发器110内的工质与内循环气流c换热后继续进入压缩机500内,使得工质在整个压缩制冷循环回路内循环流动,从 而在压缩制冷循环模式下完成对散热系统10内发热设备12的散热。
基于上述可知,本申请实施例提供的热管理设备13,在低温环境下,通过调节第一阀组200、第二阀组300及两个第三阀门700的开关状态,使得两个热管循环回路100实现对室内空气的二级散热,相比于传统技术,提高了热管理设备13在低温环境下的换热效率。
另外,可通过调节第一阀组200、第二阀组300及两个第三阀门700的开关状态,使得在环境温度例如户外机柜内的温度高于或者等于设定温度时,两个热管循环回路100处于关闭状态,压缩机500、两个并联的小节(每个小节由冷凝器120、节流装置600及蒸发器110串联而成)形成的压缩制冷循环回路处于导通状态,即保证在高温环境下,通过具有两个并排的蒸发器110及冷凝器120的压缩制冷循环回路实现对室内的散热。相比于传统技术,增大了热管理设备13在压缩制冷循环模式下的换热面积,从而提高了热管理设备13在高温环境下的换热效率。
总而言之,本申请实施例的热管理设备13使得两个循环模式下两组蒸发器110和两组冷凝器120均可起作用,充分利用了两个循环回路的设备,有效提高了热管理设备13在任意模式下的换热效率。
参照图1至图4所示,本申请实施例的热管理设备13还可以包括气液分离器400,该气液分离器400的入口端与第一阀组200连通,气液分离器400的出口端与压缩机500的入口端连通,这样,气液分离器400、压缩机500以及两个并联的小段(每个小段包括依次串联的冷凝器120、节流装置600及蒸发器110)形成压缩制冷循环回路。
例如,当散热系统10例如户外机柜内的温度大于或者等于设定温度时,通过调节第一阀组200和第二阀组300,以保证第一蒸发器111与第一冷凝器121之间的高温段b以及第二蒸发器112与第二冷凝器122之间的高温段b处于关闭状态,并保证气液分离器400和压缩机500所处的管路段处于导通状态,同时打开压缩机500、第一节流装置610及第二节流装置620,关闭两个第三阀门700,使第一蒸发器111和第一蒸发器112内的气态工质依次通过气液分离器400和压缩机500进入第一冷凝器121和第二冷凝器122内,与外循环气流d换热后冷凝为液态工质,该液态工质接着进入第一节流装置610和第二节流装置610,经第一节流装置610降压后的液态工质进入第一蒸发器111,经第二节流装置610降压后的液态工质进入第二蒸发器112内,最后两个蒸发器110内的工质与内循环气流c换热后继续进入气液分离器400以及压缩机500内,使得工质在整个压缩制冷循环回路内循环流动,从而在压缩制冷循环模式下完成对散热系统10内发热设备12的散热。
其中,气液分离器400用于将蒸发器110排出的工质中的气态工质和液态工质进行分离,并将气态工质通入压缩机500内,从而保证液态工质不会对压缩机500造成损坏,延长压缩机500的使用寿命。
可以理解的是,本申请实施例具体是两个热管循环回路100为例对热管理设备13的结构进行的说明。在其他示例中,热管循环回路100的数量还可以是3个或者3个以上,以在环境温度小于设定温度时,通过多个热管循环回路100中并排的蒸发器110对散热系统10内的空气进行多级散热,从而提高热管理设备13对散热系统10内发热设备12的散热效率。
另外,在环境温度大于或者等于设定温度时,通过多个蒸发器110对散热系统10内的空气进行散热,提高了热管理设备13在压缩制冷循环模式下的换热面积,从而提高对散热系统10内发热设备12的散热效率。
图5是本申请实施例一提供的热管理设备的第二种结构示意图,图6是本申请实施例一提供的热管理设备的第三种结构示意图,图7是本申请实施例一提供的热管理设备的第四种结构示意图。参照图5至图7所示,具体实现时,本申请实施例的第一阀组200可以包括至少一个第一单向阀210,第一单向阀210的入口端与低温回路上的蒸发器110即第二蒸发器112的出口端连通,第一单向阀210的出口端与高温回路上的蒸发器110即第一蒸发器111的出口端连通,压缩机500的入口端与第一单向阀210的出口端连通。
其中,当压缩机500的入口端连通有气液分离器400时,该气液分离器400的入口端与第一单向阀210的出口端连通。
当第一热管循环回路101和第二热管循环回路102处于工作状态,即在热管循环模式下,因第一单向阀210由低温回路指向高温回路,即该第一单向阀210的入口端的压力较出口端的压力低,则该第一单向阀210逆向止回,即该第一单向阀210在热管循环模式下处于关闭状态,这样,便可保证第一蒸发器111和第二蒸发器112排出的气态工质经各自的高温段b进入相应的冷凝器120内,其中,第一蒸发器111经第一热管循环回路101的高温段b进入第一冷凝器121,第二蒸发器112经第二热管循环回路102的高温段b进入第二冷凝器122。
在热管循环模式下,该第一单向阀210处于自动关闭状态,从而不仅保证热管循环模式下,两个热管循环回路100相互独立,而且第一单向阀210在热管循环模式下自动关闭有效提高了整个热管理设备13的控制效率。
同时,在压缩制冷循环回路处于工作状态,即在压缩制冷循环模式下,因压缩机500的吸气压力使得第一单向阀210的出口端的压力小于入口端的压力,从而使得第一单向阀210自动导通,确保两个蒸发器110内的工质均能够进入气液分离器400及压缩机500内,从而不仅保证压缩制冷循环模式下的换热效率,而且第一单向阀210在压缩制冷循环模式下自动导通有效提高了整个热管理设备13的控制效率。
继续参照图5和图6所示,作为其中一种可选的实现方式,本申请实施例的第二阀组300可以包括至少一个第二单向阀310,以一个第二单向阀310为例,该第二单向阀310的入口端与低温回路上的冷凝器120即第二冷凝器122的入口端连通,第二单向阀310的出口端与高温回路上的冷凝器120即第一冷凝器121的入口端连通,压缩机500的出口端与第二单向阀310的入口端连通。
当第一热管循环回路101和第二热管循环回路102处于工作状态,即在热管循环模式下,因第二单向阀310由低温回路指向高温回路,即该第二单向阀310的入口端的压力较出口端的压力低,则该第二单向阀310逆向止回,即该第二单向阀310处于自动关闭状态,同时保证低温回路的高温段b内的工质不会进入高温回路的第一冷凝器121内,这样,不仅保证热管循环模式下,两个热管循环回路100相互独立,而且第二单向阀310在热管循环模式下自动关闭有效提高了整个热管理设备13的控制效率。
同时,在压缩制冷循环回路处于工作状态,即在压缩制冷循环模式下,因压缩机 500的排气压力使得第二单向阀310的入口端的压力大于出口端的压力,从而保证第二单向阀310自动导通,确保压缩机500内的工质能够分别进入第一冷凝器121和第二冷凝器122内,从而不仅保证压缩制冷循环模式下的换热效率,而且第二单向阀310在压缩制冷循环模式下自动导通有效提高了整个热管理设备13的控制效率。
其中,第一单向阀210和第二单向阀310的具体结构及工作原理可以直接参照现有的单向阀,此处不再赘述。
参照图6所示,具体设置时,本申请实施例的热管理设备13还可以包括第四阀门800,第四阀门800设置在压缩机500的入口端与第一单向阀210的出口端之间。当压缩机500的入口端连通有气液分离器400时,第一阀门800设置在气液分离器400与第一单向阀210的出口端之间。
该第四阀门800在环境温度小于设定温度时处于关闭状态,反之,在环境温度大于或者等于设定温度时,该第四阀门800处于导通状态。
其中,第四阀门800可以是电磁阀,这样,可通过信号控制该第四阀门800的开关状态,以提高对第四阀门800的控制效率,从而提高该热管理设备13的工作效率。
本申请实施例通过在气液分离器400的入口端与第一单向阀210的出口端之间设置第四阀门800,这样,当热管理设备13处于热管循环模式时,可通过关闭第四阀门800,确保两个热管循环回路100中的工质不会进入压缩制冷循环回路中的气液分离器400及压缩机500内而造成工质的浪费,同时也进一步保证高温回路102中的工质不会通过气液分离器400及压缩机500内进入低温回路中,确保高温回路与低温回路之间相互独立,从而保证热管循环模式下的换热效率。
参照图6所示,以第一阀组200为第一单向阀210,第二阀组300为第二单向阀310为例。具体工作时,当环境温度小于设定温度时,热管理设备13处于热管循环模式,信号控制第四阀门800关闭,两个第三阀门700导通,第一单向阀210和第二单向阀310逆向止回,即第一单向阀210和第二单向阀310处于关闭状态,第一热管循环回路101和第二热管循环回路102独立循环,完成对户外机柜或者机房等散热系统10内发热设备12的高效散热。
当环境温度大于或者等于设定温度时,热管理设备13切换到压缩制冷循环模式,信号控制第四阀门800打开,两个第三阀门700关闭,压缩机500开启,第一单向阀210在压缩机500的吸气压力作用下打开,第二单向阀310在压缩机500的排气压力下打开,压缩制冷循环回路工作,完成对户外机柜或者机房等散热系统10内的发热设备12的高效散热。
参照图7所示,作为另一种可选的实现方式,本申请实施例中,第二阀组300还可以为至少一个第一三通阀320,以一个第一三通阀320为例,第一三通阀320的第一端口和第二端口分别与两个冷凝器120的入口端连通,第一三通阀320的第三端口与压缩机500的出口端连通。
具体设置时,第一三通阀320的第一端口可以与低温回路上的第二冷凝器122的入口端连通,相应地,第一三通阀320的第二端口可以与高温回路上的第一冷凝器121的入口端连通。当然,在一些示例中,第一三通阀320的第一端口可以与高温回路上的第一冷凝器121的入口端连通,相应地,第一三通阀320的第二端口可以与低温回 路上的第二冷凝器122的入口端连通,本申请实施例对此不作限制。
在环境温度小于设定温度时,第一三通阀320的第一端口、第二端口及第三端口均处于关闭状态,两个热管循环回路100的高温段b的气态工质会独立进入各自的冷凝器120内进行冷凝,例如,第一热管循环回路101的高温段b的气态工质进入第一冷凝器121内进行冷凝,第二热管循环回路102的高温段b内的气态工质进入第二冷凝器122内进行冷凝。
在环境温度大于或者等于设定温度时,第一三通阀320的第一端口、第二端口及第三端口均处于导通状态,这样,经压缩机500排出的高压气态工质会经该第一三通阀320分别进入第一冷凝器121和第二冷凝器122内进行冷凝。
继续参照图7,以第一阀组200为一个第一单向阀210,第二阀组300为一个第一三通阀320为例,具体工作时,当环境温度小于设定温度时,热管理设备13处于热管循环模式,第一单向阀210逆向止回,即第一单向阀210阀处于关闭状态,信号控制两个第三阀门700导通,同时,信号控制第一三通阀320第一端口、第二端口及第三端口均关闭,两个热管循环回路100即高温回路和低温回路独立循环,实现对户外机柜或者机房等散热系统10内发热设备12的高效散热。
当环境温度大于或者等于设定温度时,热管理设备13切换到压缩制冷循环模式,信号控制第四阀门800打开,两个第三阀门700关闭,同时,信号控制第一三通阀320第一端口、第二端口及第三端口均关闭,压缩机500开启,第一单向阀210在压缩机500的吸气压力作用下打开,压缩制冷循环回路工作,完成对户外机柜或者机房等散热系统10内发热设备12的高效散热。
本申请实施例通过将第二阀组300设置为一个第一三通阀320,这样,可通过电信号及时调节第一三通阀320的开关状态,不仅能够保证在环境温度小于设定温度时,该第一三通阀320处于关闭状态,以及在环境温度大于或者等于设定温度时,该第一三通阀320处于导通状态,而且提高了该第二阀组300的控制准确性和及时性,保证本申请实施例的热管理设备13在热管循环模式与压缩制冷循环模式之间稳定切换。
其中,第一三通阀320的具体结构和工作原理可直接参照现有的三通阀,此处不再赘述。
实施例二
图8是本申请实施例二提供的热管理设备的结构示意图。参照图8所示,在本申请实施例一的基础上,本申请实施例的热管理设备13还可以包括至少两个第五阀门900,至少两个第五阀门900分别设置在两个热管循环回路100的高温段b,且至少两个第五阀门900均位于第一阀组200和第二阀组300之间。
以两个第五阀门900为例,其中一个第五阀门900设置在第一热管循环回路101的高温段b上,且位于第一阀组200与第二阀组300之间,另一个第五阀门900设置在第二热管循环回路102的高温段b上,且位于第一阀组200与第二阀组300之间。
在环境温度小于设定温度时,两个第五阀门900处于导通状态,保证第一热管循环回路101的高温段b和第二热管循环回路102的高温段b均处于导通状态,从而使得第一蒸发器111排出的气态工质能够第一热管循环回路101的高温段b进入第一冷 凝器121内,同时第二蒸发器112排出的气态工质能够从第二热管循环回路102的高温段b进入第二冷凝器122内。
在环境温度大于或者等于设定温度时,两个第五阀门900处于关闭状态,以封堵第一热管循环回路101的高温段b和第二热管循环回路102的高温段b,这样,热管理设备13处于压缩制冷循环模式时,可避免了压缩机500排出的部分高压气体经两个热循环回路的高温段b反流至两个蒸发器110内,确保压缩制冷循环回路稳定工作。
继续参照图8,具体设置时,每个第五阀门900可均为一个第四单向阀,第四单向阀的入口端与蒸发器110的出口端连通,第四单向阀的出口端与冷凝器120的入口端连通,例如,其中一个第四单向阀的入口端与第一蒸发器111的出口端连通,该第四单向阀的出口端与第一冷凝器121的入口端连通。相应地,另一个第四单向阀的入口端与第二蒸发器112的出口端连通,该第四单向阀的出口端与第二冷凝器122的入口端连通,这样,在热管理设备13处于热管循环模式时,两个第四单向阀可在蒸发器110出口端的蒸汽压力的作用下自动导通,实现两个热管循环回路100的稳定工作。
而在热管理设备13处于压缩制冷循环模式时,因蒸发器110的出口端与压缩机500的入口端连通,冷凝器120的入口端与压缩机500的出口端连通,则两个第四单向阀的入口端与压缩机500的入口端连通,两个第四单向阀的出口端与压缩机500的出口端连通,这样,两个第四单向阀的出口端的压力大于入口端的压力,从而使得两个第四单向阀在压缩机500的排气压力与吸气压力的压差作用下自动关闭,不仅保证两个热管循环回路100的高温段b在压缩制冷模式下自动关闭,防止从压缩机500排出的高压气态工质逆流至两个蒸发器110内,而且有效的简化了热管理设备13的控制程序,提高了热管理设备13的工作效率。
其中,第四单向阀的结构和工作原理可直接参照现有的单向阀,此处不再赘述。
参照图8所示,以第一阀组200为第一单向阀210,第二阀组300为第二单向阀310为例,具体工作时,当环境温度小于设定温度时,热管理设备13处于热管循环模式,信号控制第四阀门800关闭,两个第三阀门700导通,第一单向阀210和第二单向阀310逆向止回,即第一单向阀210和第二单向阀310处于关闭状态,两个第四单向阀在蒸发器110出口端的蒸汽压力的作用下自动导通,低温回路和高温回路独立循环,实现对散热系统10内发热设备12的高效散热。
当环境温度大于或者等于设定温度时,热管理设备13切换到压缩制冷循环模式,信号控制第四阀门800打开,两个第三阀门700关闭,压缩机500开启,第一单向阀210在压缩机500的吸气压力作用下打开,第二单向阀310在压缩机500的排气压力下打开,两个第四单向阀在压缩机500的排气压力与吸气压力的压差作用下自动关闭,压缩制冷循环回路工作,完成对散热系统10内发热设备12的高效散热。
可以理解的是,当热管循环回路100的数量为3个或者3个以上时,第五阀门900的数量与热管循环回路100的数量相等,即每个热管循环回路100的高温段b上均设置有一个第五阀门900。例如,当热管循环回路100的数量为3个时,第五阀门900的数量也为3个,3个第五阀门900分别设置在相应的热管循环回路100的高温段b上。
实施例三
图9是本申请实施例三提供的热管理设备的第一种结构示意图,图10是本申请实施例三提供的热管理设备的第二种结构示意图,图11是本申请实施例三提供的热管理设备的第三种结构示意图,图12是本申请实施例三提供的热管理设备的第四种结构示意图。参照图9至图12所示,与实施例一不同的是,本申请实施例的第一阀组200可以包括至少一个第二三通阀220,第二三通阀220的第一端口和第二端口分别与两个蒸发器110的出口端连通,第二三通阀220的第三端口与压缩机500的入口端连通,例如,第二三通阀220的第三端口可通过气液分离器400与压缩机500的入口端连通。
以一个第二三通阀220为例,第二三通阀220的第一端口可以与第一蒸发器111的出口端连通,相应地,第二三通阀220的第二端口与第二蒸发器112的出口端连通,第二三通阀220的第三端口通过气液分离器400与压缩机500的入口端连通。
在环境温度小于设定温度时,第二三通阀220的第一端口、第二端口及第三端口均处于关闭状态,这样,两个热管循环回路100中的蒸发器110排出的气态工质会进入各自的高温段b,而不会进入气液分离器400及压缩机500内。例如,第一蒸发器111排出的气态工质进入第一热管循环回路101的高温段b内,第二蒸发器112排出的气态工质进入第二热管循环回路102的高温段b内。
在环境温度大于或者等于设定温度时,第二三通阀220的第一端口、第二端口及第三端口均处于导通状态,这样,第一蒸发器111和第二蒸发器112排出的气态工质会在压缩机500的吸气压力作用下经第二三通阀220的三个端口依次进入气液分离器400和压缩机500内,而不会进入两个热管循环回路100的高温段b。
本申请实施例通过将第一阀组200设置为一个第二三通阀220,这样,可通过电信号及时调节第二三通阀220的开关状态,不仅能够保证在环境温度小于设定温度时,该第一三通阀320处于关闭状态,使得热管理设备13处于热管循环模式,以及在环境温度大于或者等于设定温度时,该第一三通阀320处于导通状态,使得该热管理设备13处于压缩制冷循环模式,而且提高了该第一阀组200的控制准确性和及时性,保证本申请实施例的热管理设备13在热管循环模式与压缩制冷循环模式之间稳定切换。
可以理解的是,当热管循环回路100的数量为3个或者3个以上时,可以在相邻两个热管循环回路100之间均设置一个第二三通阀220,且该第二三通阀220的第一端口和第二端口分别与该相邻的两个热管循环回路100的蒸发器110的出口端连通,该第二三通阀220的第三端口均通过气液分离器400与压缩机500的入口端连通。例如,当热管循环回路100的数量为3个时,该热管循环回路100包括第一热管循环回路101、第二热管循环回路102和第三热管循环回路103。第二三通阀220的数量为两个,其中一个第二三通阀220的第一端口和第二端口分别连通第一热管循环回路101的第一蒸发器111的出口端和第二热管循环回路102的第二蒸发器112的出口端,另一个第二三通阀220的第一端口和第二端口分别连通第二热管循环回路102的第二蒸发器112的出口端和第三热管循环回路103的第三蒸发器的出口端,且两个第二三通阀220的第三端口均通过气液分离器400与压缩机500的入口端连通。
当热管理设备13处于热管循环模式时,三个第二三通阀220的三个端口均关闭,三个蒸发器110内的气态工质通过各自的高温段b进入三个冷凝器120内。当热管理 设备13处于压缩制冷循环模式时,三个第二三通阀220的三个端口均导通,三个蒸发器110内的气态工质通过相应的第二三通阀220均进入气液分离器400以及压缩机500内,继而从压缩机500的出口端分别进入三个冷凝器120内。
本申请实施例的第二三通阀220的结构和工作原理可直接参照现有的三通阀,此处不再赘述。
参照图9所示,作为第一种可选的实现方式,第二阀组300可以包括至少一个第三单向阀330,第三单向阀330的入口端与低温回路上的第二冷凝器122的入口端连通,第三单向阀330的出口端与高温回路上的第一冷凝器121的入口端连通,压缩机500的出口端与第三单向阀330的入口端连通。
当两个热管循环回路100处于工作状态,即在热管循环模式下,因第三单向阀330由低温回路指向高温回路,即该第三单向阀330的入口端的压力较出口端的压力低,则该第三单向阀330逆向止回,即该第三单向阀330处于自动关闭状态,同时保证低温回路的高温段b内的工质不会进入高温回路的第一冷凝器121内,这样,不仅保证热管循环模式下,两个热管循环回路100相互独立,而且第三单向阀330在热管循环模式下自动关闭有效提高了整个热管理设备13的控制效率。
同时,在压缩制冷循环回路处于工作状态,即在压缩制冷循环模式下,因压缩机500的排气压力使得第三单向阀330的入口端的压力大于出口端的压力,从而保证第三单向阀330自动导通,确保压缩机500内的工质能够分别进入两个冷凝器120内,从而不仅保证压缩制冷循环模式下的换热效率,而且第三单向阀330在压缩制冷循环模式下自动导通有效提高了整个热管理设备13的控制效率。
其中,第三单向阀330的结构和工作原理可直接参照现有的单向阀,此处不再赘述。
参照图9所示,以第一阀组200为一个第二三通阀220,第二阀组300为一个第三单向阀330为例。具体工作时,当环境温度小于设定温度时,热管理设备13处于热管循环模式,信号控制第二三通阀220的第一端口、第二端口及第三端口均关闭,信号控制两个第三阀门700导通,第三单向阀330逆向止回,即该第三单向阀330处于自动关闭状态,低温回路和高温回路独立循环,实现对户外机柜或者机房等散热系统10内发热设备12的高效散热。
当环境温度大于或者等于设定温度时,热管理设备13切换到压缩制冷循环模式,信号控制第二三通阀220的第一端口、第二端口及第三端口均导通,信号控制两个第三阀门700关闭,压缩机500开启,第三单向阀330在压缩机500的排气压力作用下打开,压缩制冷循环回路工作,完成对户外机柜或者机房等散热系统10内发热设备12的高效散热。
本申请实施例通过将第二阀组300设置为一个第三单向阀330,这样,当两个热管循环回路100即第一热管循环回路101和第二热管循环回路102处于工作状态,即在热管循环模式下,因第三单向阀330由低温回路指向高温回路,则该第三单向阀330逆向止回,即该第三单向阀330处于自动关闭状态,从而不仅保证热管循环模式下,第一热管循环回路101和第二热管循环回路102相互独立,而且第三单向阀330在热管循环模式下自动关闭有效提高了整个热管理设备13的控制效率。
同时,在压缩制冷循环回路处于工作状态,即在压缩制冷循环模式下,因压缩机500的排气压力使得第三单向阀330的入口端的压力大于出口端的压力,从而保证第三单向阀330自动导通,确保压缩机500内的工质能够分别进入第一冷凝器121和第二冷凝器122内,从而不仅保证压缩制冷循环模式下的换热效率,而且第三单向阀330在压缩制冷循环模式下自动导通有效提高了整个热管理设备13的控制效率。
参照图10所示,作为第二种可选的实现方式,本申请实施例的第二阀组300还可以包括至少一个第三三通阀340,第三三通阀340的第一端口和第二端口分别与两个冷凝器120的入口端连通,第三三通阀340的第三端口与压缩机500的出口端连通。
例如,第三三通阀340的第一端口可以与低温回路即第二热管循环回路102上的第二冷凝器122的入口端连通,相应地,第三三通阀340的第二端口与高温回路即第一热管循环回路101上的第一冷凝器121的入口端连通。再例如,第三三通阀340的第一端口也可以与高温回路上的第一冷凝器121的入口端连通,相应地,第三三通阀340的第二端口与低温回路上的第二冷凝器122的入口端连通,本申请实施例对此不作限制。
在环境温度小于设定温度时,第三三通阀340的第一端口、第二端口及第三端口均处于关闭状态,以保证第一热管循环回路101的高温段b的气态工质进入第一冷凝器121内进行冷凝,第二热管循环回路102的高温段b的气态工质进入第二冷凝器122内进行冷凝。
在环境温度大于或者等于设定温度时,第三三通阀340的第一端口、第二端口及第三端口均处于导通状态,这样,经压缩机500排出的高压气态工质会经该第三三通阀340分别进入两个冷凝器120内进行冷凝。
继续参照图10所示,以第一阀组200为一个第二三通阀220,第二阀组300为一个第三三通阀340为例,具体工作时,当环境温度小于设定温度时,热管理设备13处于热管循环模式,信号控制第二三通阀220的第一端口、第二端口及第三端口均关闭,信号控制两个第三阀门700导通,同时,信号控制第三三通阀340第一端口、第二端口及第三端口均关闭,两个低温回路和高温回路独立循环,实现对户外机柜或者机房等散热系统10内发热设备12的高效散热。
当环境温度大于或者等于设定温度时,热管理设备13切换到压缩制冷循环模式,信号控制第二三通阀220的第一端口、第二端口及第三端口均导通,信号控制两个第三阀门700关闭,同时,信号控制第三三通阀340第一端口、第二端口及第三端口均导通,压缩制冷循环回路工作,完成对户外机柜或者机房等散热系统10内发热设备12的高效散热。
本申请实施例通过将第二阀组300设置为一个第三三通阀340,这样,可通过电信号及时调节第三三通阀340的开关状态,不仅能够保证在环境温度小于设定温度时,该第三三通阀340处于关闭状态,以及在环境温度大于或者等于设定温度时,该第三三通阀340处于导通状态,而且提高了该第二阀组300的控制准确性和及时性,保证本申请实施例的热管理设备13在热管循环模式与压缩制冷循环模式之间稳定切换。
参照图11所示,在本申请实施例三的上述两种结构(参照图9和图10)中的任意一种的基础上,本申请实施例的热管理设备13还可以包括至少两个第五阀门900, 至少两个第五阀门900分别设置在两个热管循环回路100的高温段b,且两个第五阀门900均位于第一阀组200和第二阀组300之间。
以两个第五阀门900为例,其中一个第五阀门900设置在第一热管循环回路101的高温段b上,且位于第一阀组200与第二阀组300之间。另一个第五阀门900设置在第二热管循环回路102的高温段b上,且位于第一阀组200与第二阀组300之间。
在环境温度小于设定温度时,两个第五阀门900处于导通状态,保证两个热管循环回路100的高温段b处于导通状态,即保证两个热管循环回路100的蒸发器110排出的气态工质能够从各自的高温段b进入相应的冷凝器120内。例如,第一蒸发器111排出的气态工质能够从第一热管循环回路101的高温段b进入第一冷凝器121内。第二蒸发器112排出的气态工质能够从第二热管循环回路102的高温段b进入第二冷凝器122内。
在环境温度大于或者等于设定温度时,两个第五阀门900处于关闭状态,以封堵两个热管循环回路100的高温段b,这样,热管理设备13处于压缩制冷循环模式时,可避免了压缩机500排出的部分高压气体经两个热循环回路的高温段b反流至两个蒸发器110内,确保压缩制冷循环回路稳定工作。
具体设置时,每个第五阀门900均可以为一个第四单向阀,第四单向阀的入口端与蒸发器110的出口端连通,第四单向阀的出口端与冷凝器120的入口端连通,这样,在热管理设备13处于热管循环模式时,两个第四单向阀可在蒸发器110出口端的蒸汽压力的作用下自动导通,实现两个热管循环回路100的稳定工作。
参照图12所示,而在热管理设备13处于压缩制冷循环模式时,因蒸发器110的出口端与压缩机500的入口端连通,冷凝器120的入口端与压缩机500的出口端连通,则两个第四单向阀的入口端与压缩机500的入口端连通,两个第四单向阀的出口端与压缩机500的出口端连通,这样,两个第四单向阀的出口端的压力大于入口端的压力,从而使得两个第四单向阀在压缩机500的排气压力与吸气压力的压差作用下自动关闭,不仅保证两个热管循环回路100的高温段b在压缩制冷模式下自动关闭,以防止从压缩机500排出的高压气态工质从第三三通阀340的第一端口和第二端口逆流至两个蒸发器110内,而且有效的简化了热管理设备13的控制程序,提高了热管理设备13的工作效率。
参照图12所示,作为第三种可选的实现方式,本申请实施例的第二阀组300还可以包括至少两个第四三通阀350,至少两个第四三通阀350中的其中一个设置在高温回路上,另一个设置在低温回路上。
以两个第四三通阀350为例。其中一个第四三通阀350的第一端口与高温回路上的第一蒸发器111的出口端连通,该第四三通阀350的第二端口与高温回路即第一热管循环回路101上的第一冷凝器121的入口端连通。另一个第四三通阀350的第一端口与低温回路即第二热管循环回路102上的第二蒸发器112的出口端连通,该第四三通阀350的第二端口与低温回路上的第二冷凝器122的入口端连通。两个第四三通阀350的第三端口均与压缩机500的出口端连通。
在环境温度小于设定温度时,每个第四三通阀350的第一端口和第二端口均处于导通状态,每个第四三通阀350的第三端口处于关闭状态,使得两个热管循环回路100 的高温段b的工质能够分别进入两个冷凝器120内,实现两个热管循环回路100的独立导通,而不会发生两个高温段b的工质的汇聚现象。
在环境温度大于或者等于设定温度时,每个第四三通阀350的第二端口和第三端口均处于导通状态,使得经压缩机500排出的高压工质能够分别经两个第四三通阀350进入两个冷凝器120内。每个第四三通阀350的第一端口处于关闭状态,以避免压缩机500排出的部分高压气体从两个第四三通阀350的第一端口反流至两个热循环回路的高温段b以及两个蒸发器110内,确保压缩制冷循环回路稳定工作。
参照图12所示,以第一阀组200为一个第二三通阀220,第二阀组300为两个第四三通阀350为例。具体工作时,当环境温度小于设定温度时,热管理设备13处于热管循环模式,信号控制第二三通阀220的第一端口、第二端口及第三端口均关闭,信号控制两个第三阀门700导通,同时,信号控制两个第四三通阀350的第一端口和第二端口均导通,第三端口关闭,低温回路和高温回路独立循环,实现对户外机柜或者机房等散热系统10内发热设备12的高效散热。
当环境温度大于或者等于设定温度时,热管理设备13切换到压缩制冷循环模式,信号控制第二三通阀220的第一端口、第二端口及第三端口均打开,信号控制两个第三阀门700关闭,同时,信号控制两个第四三通阀350的第二端口和第三端口均导通,第一端口关闭,压缩制冷循环回路工作,完成对户外机柜或者机房等散热系统10内发热设备12的高效散热。
本申请实施例通过将第二阀组300设置为两个第四三通阀350,这样,当环境温度小于设定温度时,可通过电信号控制两个第四三通阀350的第一端口和第二端口处于导通状态,第三端口处于关闭状态,使得该热管理设备13在热管循环模式下工作,即使得两个热管循环回路100独立工作,以在保证换热效率的同时,降低能耗。
当环境温度大于或者等于设定温度时,可通过电信号控制两个第四三通阀350的第二端口和第三端口处于导通状态,第一端口处于关闭状态,这样不仅保证该热管理设备13在压缩制冷循环模式下工作,即使得压缩制冷循环回路独立工作,以提高换热效率,而且有效的避免了压缩机500排出的部分高压气体经两个热管循环回路100的高温段b反流至两个蒸发器110内,确保压缩制冷循环回路稳定工作。
需要说明的是,本申请实施例中的第二三通阀220、第三三通阀340和第四三通阀350的具体结构和具体控制过程可直接参照现有的三通阀,此处不再赘述。
实施例四
图13是本申请实施例四提供的热管理设备的第一种结构示意图,图14是本申请实施例四提供的热管理设备的第二种结构示意图。参照图13和图14所示,与上述各个实施例不同的是,本申请实施例的第一阀组200可以包括至少两个第五三通阀230。至少两个第五三通阀230中的其中一个设置在第一热管循环回路101上,另一个设置在第二热管循环回路102上。
以两个第五三通阀230为例。其中一个第五三通阀230的第一端口与高温回路及第一热管循环回路101上的第一蒸发器111的出口端连通,该第五三通阀230的第二 端口与高温回路上的第一冷凝器121的入口端连通。另一个第五三通阀230的第一端口与低温回路及第二热管循环回路102上的第二蒸发器112的出口端连通,该第五三通阀230的第二端口与低温回路上的第二冷凝器122的入口端连通,两个第五三通阀130的第三端口均可通过气液分离器400与压缩机500的入口端连通。
在环境温度小于设定温度时,每个第五三通阀230的第三端口处于关闭状态,保证两个蒸发器110排出的气态工质不会进入气液分离器400及压缩机500内,每个第五三通阀230的第一端口和第二端口处于导通状态,使得两个蒸发器110排出的气态工质分别进入各自的高温段b,确保两个热管循环回路100导通,例如,第一蒸发器111排出的气态工质进入第一热管循环回路101的高温段b内,第二蒸发器112排出的气态工质进入第二热管循环回路102的高温段b内。
在环境温度大于或者等于设定温度时,每个第五三通阀230的第一端口和第三端口处于导通状态,每个第五三通阀230的第二端口处于关闭状态,保证两个蒸发器110排出的气态工质汇聚至气液分离器400及压缩机500内,而不会进入两个热管循环回路100的高温段b。
本申请实施例通过将第一阀组200设置为两个第五三通阀230,这样,当环境温度小于设定温度时,可通过电信号控制两个第五三通阀230的第一端口和第二端口处于导通状态,第三端口处于关闭状态,使得该热管理设备13在热管循环模式下工作,即使得两个热管循环回路100独立工作,以在保证换热效率的同时,降低能耗。
当环境温度大于或者等于设定温度时,可通过电信号控制两个第五三通阀230的第一端口和第三端口处于导通状态,第二端口处于关闭状态,从而保证两个蒸发器110排出的蒸汽均进入气液分离器400以及压缩机500内,即保证该热管理设备13在压缩制冷循环模式下工作,以提高换热效率。
参照图13所示,示例性地,本申请实施例的第二阀组300可以包括至少一个第六三通阀360,第六三通阀360的第一端口和第二端口分别与两个冷凝器120的入口端连通,第六三通阀360的第三端口与压缩机500的出口端连通。
例如,第六三通阀360的第一端口与第一热管循环回路101上的第一冷凝器121的入口端连通,第六三通阀360的第二端口与第二热管循环回路102上的第二冷凝器122的入口端连通;或者,第六三通阀360的第一端口与第二热管循环回路102上的第二冷凝器122的入口端连通,第六三通阀360的第二端口与第一热管循环回路101上的第一冷凝器121的入口端连通,本申请实施例对此不作限制。
在环境温度小于设定温度时,第六三通阀360的第一端口、第二端口及第三端口均处于关闭状态,以保证两个热管循环回路100的高温段b的气态工质能够独立进入各自的冷凝器120内进行冷凝。
在环境温度大于或者等于设定温度时,第六三通阀360的第一端口、第二端口及第三端口均处于导通状态,这样,经压缩机500排出的高压气态工质会经该第六三通阀360分别进入两个冷凝器120内进行冷凝。
继续参照图13,以第一阀组200为两个第五三通阀230,第二阀组300为一个第六三通阀360为例。具体工作时,当环境温度小于设定温度时,热管理设备13处于热管循环模式,信号控制两个第五三通阀230的第一端口和第二端口导通,第三端口关 闭,信号控制两个第三阀门700导通,同时,信号控制第六三通阀360第一端口、第二端口及第三端口均关闭,两个低温回路和高温回路独立循环,实现对户外机柜或者机房等散热系统10内发热设备12的高效散热。
当环境温度大于或者等于设定温度时,热管理设备13切换到压缩制冷循环模式,信号控制两个第五三通阀230的第一端口和第三端口导通,第二端口关闭,信号控制两个第三阀门700关闭,同时,信号控制第六三通阀360第一端口、第二端口及第三端口均导通,压缩制冷循环回路工作,完成对户外机柜或者机房等散热系统10内发热设备12的高效散热。
本申请实施例通过将第二阀组300设置为一个第六三通阀360,这样,可通过电信号及时调节第六三通阀360的开关状态,不仅能够保证在环境温度小于设定温度时,该第六三通阀360处于关闭状态,以及在环境温度大于或者等于设定温度时,该第六三通阀360处于导通状态,而且提高了该第二阀组300的控制准确性和及时性,保证本申请实施例的热管理设备13在热管循环模式与压缩制冷循环模式之间稳定切换。
参照图14所示,作为另一种示例,第二阀组300还可以至少两个第七三通阀370,至少两个第七三通阀370的其中一个设置在第一热管循环回路101上,另一个设置在第二热管循环回路102上。
以两个第七三通阀370为例,其中一个第七三通阀370的第一端口与第一热管循环回路101上的第一蒸发器111的出口端连通,该第七三通阀370的第二端口与第一热管循环回路101上的第一冷凝器121的入口端连通。另一个第七三通阀370的第一端口与第二热管循环回路102上的第二蒸发器112的出口端连通,该第七三通阀370的第二端口与第二热管循环回路102上的第二冷凝器122的入口端连通。两个第七三通阀370的第三端口均与压缩机500的出口端连通。
在环境温度小于设定温度时,每个第七三通阀370的第三端口均处于关闭状态,每个第七三通阀370的第一端口和第二端口均处于导通状态,使得两个热管循环回路100的高温段b的工质能够分别进入两个冷凝器120内,实现两个热管循环回路100的独立导通,而不会发生两个高温段b的工质的汇聚现象。
在环境温度大于或者等于设定温度时,每个第七三通阀370的第二端口和第三端口均处于导通状态,使得经压缩机500排出的高压工质能够分别经两个第四三通阀350进入两个冷凝器120内,每个第七三通阀370的第一端口处于关闭状态,以避免压缩机500排出的部分高压气体从两个第七三通阀370的第一端口反流至两个热循环回路的高温段b以及两个蒸发器110内,从而确保压缩制冷循环回路稳定工作。
参照图14所示,以第一阀组200为两个第五三通阀230,第二阀组300为两个第七三通阀370为例,具体工作时,当环境温度小于设定温度时,热管理设备13处于热管循环模式,信号控制两个第五三通阀230的第一端口和第二端口导通,第三端口关闭,信号控制两个第三阀门700导通,同时,信号控制两个第七三通阀370的第一端口和第二端口导通,第三端口均关闭,两个低温回路和高温回路独立循环,实现对户外机柜或者机房等散热系统10内发热设备12的高效散热。
当环境温度大于或者等于设定温度时,热管理设备13切换到压缩制冷循环模式,信号控制两个第五三通阀230的第一端口和第三端口导通,第二端口关闭,信号控制 两个第三阀门700关闭,同时,信号控制两个第七三通阀370第二端口和第三端口导通,第一端口关闭,压缩制冷循环回路工作,完成对户外机柜或者机房等散热系统10内发热设备12的高效散热。
本申请实施例通过将第二阀组300设置为两个第七三通阀370,这样,当环境温度小于设定温度时,可通过电信号控制两个第七三通阀370的第一端口和第二端口处于导通状态,第三端口处于关闭状态,使得该热管理设备13在热管循环模式下工作,即使得两个热管循环回路100独立工作,以在保证换热效率的同时,降低能耗,当环境温度大于或者等于设定温度时,可通过电信号控制两个第七三通阀370的第二端口和第三端口处于导通状态,第一端口处于关闭状态,这样不仅保证该热管理设备13在压缩制冷循环模式下工作,即使得压缩制冷循环回路独立工作,以提高换热效率,而且有效的避免了压缩机500排出的部分高压气体经两个热循环回路的高温段b反流至两个蒸发器110内,确保压缩制冷循环回路稳定工作。
需要说明的是,本申请实施例中的第五三通阀230、第六三通阀360及第四三通阀370的结构及工作原理可直接参照现有的三通阀,此处不再赘述。
参照图2所示,本申请实施例还提供一种散热系统10,包括系统本体11、至少一个发热设备12及至少一个热管理设备13。其中,热管理设备13可以是上述任意实施例中的热管理设备13,发热设备12位于系统本体11内,热管理设备13的回风口和送风口均与系统本体11的内部连通,以对发热设备12进行降温。
具体散热时,系统本体11内部的空气即内循环气流c从回风口进入热管理设备13内,并依次与第一蒸发器111和第二蒸发器112内的工质进行热交换,降温后的内循环气流c从送风口排出至系统本体11的内部空间,对系统本体11内的发热设备12进行降温。与此同时,散热系统10外部的空气即外循环气流d从外循环进风口进入热管理设备13内,与热管理设备13内的第一冷凝器121和第二冷凝器122内工质进行热交换,升温后的外循环气流d从外循环出风口排出散热系统10以及热管理设备13的外部。
需要说明的是,本申请实施例的散热系统10包括但不限于户外机柜、机房及车辆中的任意一种。发热设备12包括但不限于基站设备、电源设备、蓄电池、传输设备、驱动设备中的任意一种。以户外机柜为例,发热设备12可以是位于户外机柜本体内的基站设备、电源设备、蓄电池或传输设备等在工作中发出热量的设备。例如,发热设备12为两个,其中一个发热设备12位电源设备,另一个发射设备12为蓄电池。
可以理解的是,本申请实施例的散热系统10可以包括多个热管理设备13,多个热管理设备13同时对系统本体11内的发热设备12进行散热,以提高发热设备12的散热效率。例如,热管理设备13的数量可以为2个、3个、4个或者5个等合适的数量,具体可根据实际需要进行调整。
本申请实施例的散热系统10,通过上述热管理设备13对系统本体11内的发热设备12进行散热,能够在低温环境下通过两个热管循环回路100实现对散热系统10的内部空气的二级散热,从而提高了热管理设备13在低温环境下对发热设备12的换热效率。同时,热管理设备13能够在高温环境下通过具有两个并排的蒸发器110的压缩制冷循环回路对散热系统10的内部空气进行散热,增大了压缩制冷循环回路与系统内 部的空气之间换热面积,从而提高了热管理设备13在高温环境下的换热效率,进而实现对发热设备12的快速降温,延长了发热设备12的使用寿命。
在本申请实施例的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应作广义理解,例如,可以是固定连接,也可以是通过中间媒介间接相连,可以是两个元件内部的连通或者两个元件的相互作用关系。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本申请实施例中的具体含义。
本申请实施例的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”、“第四”等(如果存在)是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。

Claims (16)

  1. 一种热管理设备,其特征在于,包括压缩机、至少两个节流装置、第一阀组、第二阀组、至少两个第三阀门及至少两个热管循环回路;
    其中,所述至少两个所述热管循环回路包括第一热管循环回路和第二热管循环回路,所述第一热管循环回路为高温回路,所述第二热管循环回路为低温回路;所述第一热管循环回路包括第一蒸发器和第一冷凝器,所述第二热管循环回路包括第二蒸发器和第二冷凝器;所述第一蒸发器和所述第二蒸发器并排设置,所述第一冷凝器和所述第二冷凝器并排设置,所述第一蒸发器的出口端与所述第二蒸发器的出口端共同连通所述第一阀组,所述第一冷凝器的入口端和所述第二冷凝器的入口端共同连通所述第二阀组,所述压缩机的入口端与所述第一阀组连通,所述压缩机的出口端与所述第二阀组连通,且所述压缩机与每个所述热管循环回路的高温段均并联设置;
    所述至少两个所述节流装置包括第一节流装置和第二节流装置,所述第一节流装置串联在所述第一冷凝器的出口端与所述第一蒸发器的入口端之间,所述第二节流装置串联在所述第二冷凝器的出口端与所述第二蒸发器的入口端之间,至少两个所述第三阀门中的其中一个与所述第一节流装置并联设置,至少两个所述第三阀门中的另一个所述第二节流装置并联设置。
  2. 根据权利要求1所述的热管理设备,其特征在于,所述第一阀组包括至少一个第一单向阀;
    所述第一单向阀的入口端与所述第二蒸发器的出口端连通,所述第一单向阀的出口端与所述第一蒸发器的出口端连通,所述压缩机的入口端与所述第一单向阀的出口端连通。
  3. 根据权利要求2所述的热管理设备,其特征在于,所述第二阀组包括至少一个第二单向阀,所述第二单向阀的入口端与所述第二冷凝器的入口端连通,所述第二单向阀的出口端与所述第一冷凝器的入口端连通,所述压缩机的出口端与所述第二单向阀的入口端连通。
  4. 根据权利要求2或3所述的热管理设备,其特征在于,所述热管理设备还包括第四阀门,所述第四阀门设置在所述压缩机的入口端与所述第一单向阀的出口端之间。
  5. 根据权利要求2所述的热管理设备,其特征在于,所述第二阀组包括至少一个第一三通阀,所述第一三通阀的第一端口与所述第一冷凝器的入口端连通,所述第一三通阀的第二端口分别与所述第二冷凝器入口端连通,所述第一三通阀的第三端口与所述压缩机的出口端连通。
  6. 根据权利要求1所述的热管理设备,其特征在于,所述第一阀组包括至少一个第二三通阀,所述第二三通阀的第一端口与所述第一蒸发器的出口端连通,所述第二三通阀的第二端口与所述第二蒸发器的出口端连通,所述第二三通阀的第三端口与所述压缩机的入口端连通。
  7. 根据权利要求6所述的热管理设备,其特征在于,所述第二阀组包括至少一个第三单向阀,所述第三单向阀的入口端与所述第二冷凝器的入口端连通,所述第三单向阀的出口端与所述第一冷凝器的入口端连通,所述压缩机的出口端与所述第三单向 阀的入口端连通;
    或者,所述第二阀组包括至少一个第三三通阀,所述第三三通阀的第一端口所述第一冷凝器的入口端连通,所述第三三通阀的第二端口与所述第二冷凝器的入口端连通,所述第三三通阀的第三端口与所述压缩机的出口端连通。
  8. 根据权利要求6所述的热管理设备,其特征在于,所述第二阀组包括至少两个第四三通阀;所述至少两个所述第四三通阀中,其中一个所述第四三通阀的第一端口与所述第一蒸发器的出口端连通,所述其中一个所述第四三通阀的第二端口与所述第一冷凝器的入口端连通,另一个所述第四三通阀的第一端口与所述第二蒸发器的出口端连通,所述另一个所述第四三通阀的第二端口与所述第二冷凝器的入口端连通,每个所述第四三通阀的第三端口均与所述压缩机的出口端连通。
  9. 根据权利要求2-7任一项所述的热管理设备,其特征在于,所述热管理设备还包括至少两个第五阀门;
    至少两个所述第五阀门中的其中一个设置在所述第一热管循环回路的高温段,至少两个所述第五阀门中的另一个设置在所述第二热管循环回路的高温段,且每个所述第五阀门均连通在所述第一阀组和所述第二阀组之间。
  10. 根据权利要求9所述的热管理设备,其特征在于,每个所述第五阀门均为第四单向阀,至少两个所述第四单向阀中,其中一个所述第四单向阀的入口端与所述第一蒸发器的出口端连通,所述其中一个所述第四单向阀的出口端与所述第一冷凝器的入口端连通;
    另一个所述第四单向阀的入口端与所述第二蒸发器的出口端连通,所述另一个所述第四单向阀的出口端与所述第二冷凝器的入口端连通。
  11. 根据权利要求1所述的热管理设备,其特征在于,所述第一阀组包括至少两个第五三通阀;
    所述至少两个所述第五三通阀中,其中一个所述第五三通阀的第一端口与所述第一蒸发器的出口端连通,所述其中一个所述第五三通阀的第二端口与所述第一冷凝器的入口端连通;另一个所述第五三通阀的第一端口与所述第二蒸发器的出口端连通,所述另一个所述第五三通阀的第二端口与所述第二冷凝器的入口端连通;
    每个所述第五三通阀的第三端口均与所述压缩机的入口端连通。
  12. 根据权利要求11所述的热管理设备,其特征在于,所述第二阀组包括至少一个第六三通阀,所述第六三通阀的第一端口与所述第一冷凝器的入口端连通,所述第六三通阀的第二端口与所述第二冷凝器的入口端连通,所述第六三通阀的第三端口与所述压缩机的出口端连通。
  13. 根据权利要求11所述的热管理设备,其特征在于,所述第二阀组包括至少两个第七三通阀;
    所述至少两个所述第七三通阀中,其中一个所述第七三通阀的第一端口与所述第一蒸发器的出口端连通,所述其中一个所述第七三通阀的第二端口与所述第一冷凝器的入口端连通,另一个所述第七三通阀的第一端口与第二蒸发器的出口端连通,所述另一个所述第七三通阀的第二端口与所述第二冷凝器的入口端连通;
    每个所述第七三通阀的第三端口均与所述压缩机的出口端连通。
  14. 根据权利要求1-13任一项所述的热管理设备,其特征在于,所述热管理设备还包括气液分离器,所述气液分离器的入口端与所述第一阀组连通,所述气液分离器的出口端与所述压缩机的入口端连通。
  15. 一种散热系统,其特征在于,包括系统本体、至少一个发热设备及至少一个如权利要求1-14任一项所述的热管理设备,所述发热设备位于所述系统本体内,所述热管理设备的回风口和送风口均与所述系统本体的内部连通,以对所述发热设备进行降温。
  16. 一种热管理设备的工作方法,应用于权利要求1-15任一项所述的热管理设备,其特征在于,
    当环境温度小于设定温度时,所述热管理设备的第一阀组和第二阀组导通每个热管循环回路中的高温段,关闭所述第一阀组与所述第二阀组之间设有压缩机的管路,同时,所述热管理设备的第三阀门打开,每个所述热管循环回路的低温段导通,至少两个所述节流装置关闭,至少两个所述热管循环回路处于工作状态;
    当环境温度大于或者等于设定温度时,所述第一阀组和所述第二阀组导通所述第一阀组与第二阀组之间设有压缩机的管路,关闭每个热管循环回路中的高温段,且所述压缩机打开;同时,每个所述第三阀门关闭,每个所述节流装置打开,所述热管理设备的压缩制冷循环回路处于工作状态;
    其中,所述压缩制冷循环回路至少由所述压缩机及至少两个并联的小段串联形成,每个所述小段由至少一个所述冷凝器、至少一个所述节流装置及至少一个所述蒸发器串联形成。
PCT/CN2021/097929 2020-11-30 2021-06-02 散热系统、热管理设备及其工作方法 WO2022110745A1 (zh)

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