WO2023060852A1 - 冷媒换热装置及间接式热泵系统 - Google Patents

冷媒换热装置及间接式热泵系统 Download PDF

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Publication number
WO2023060852A1
WO2023060852A1 PCT/CN2022/085368 CN2022085368W WO2023060852A1 WO 2023060852 A1 WO2023060852 A1 WO 2023060852A1 CN 2022085368 W CN2022085368 W CN 2022085368W WO 2023060852 A1 WO2023060852 A1 WO 2023060852A1
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WIPO (PCT)
Prior art keywords
chamber
hole
communication
cavity
valve core
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Application number
PCT/CN2022/085368
Other languages
English (en)
French (fr)
Inventor
吴铎
余兆开
刘旗
穆景阳
Original Assignee
艾泰斯热系统研发（上海）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 艾泰斯热系统研发（上海）有限公司 filed Critical 艾泰斯热系统研发（上海）有限公司
Priority to US18/258,126 priority Critical patent/US11926192B2/en
Priority to DE112022000184.4T priority patent/DE112022000184T5/de
Publication of WO2023060852A1 publication Critical patent/WO2023060852A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00321—Heat exchangers for air-conditioning devices
    • B60H1/00342—Heat exchangers for air-conditioning devices of the liquid-liquid type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00321—Heat exchangers for air-conditioning devices
    • B60H1/00328—Heat exchangers for air-conditioning devices of the liquid-air type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/01—Geometry problems, e.g. for reducing size
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2507—Flow-diverting valves

Definitions

  • the present application relates to the technical field of heat pump air conditioners, for example, to a refrigerant heat exchange device and an indirect heat pump system.
  • the air conditioning system of new energy vehicles mainly uses electricity as energy consumption. However, since the electric capacity of new energy vehicles is fixed, the waste heat of the engine cannot be used for effective heating. The energy consumption of the air conditioning system will affect the battery life of new energy. Forcing the air conditioning system technology of new energy vehicles to be closer to energy saving and efficient energy utilization.
  • the number of heat exchangers is large, resulting in many refrigerant circuits, complex refrigerant pipelines, long pipeline sizes, and a large number of electromagnetic shut-off valves and throttle valves in the refrigerant circuits;
  • control valve and components need to be connected with pipelines, resulting in too many joints, complicated pipeline connections and easy to increase the risk of refrigerant leakage;
  • the connecting pipelines of the whole system occupy a lot of space, which is not conducive to the layout of the heat pump system of the whole vehicle, and affects the production efficiency of the whole vehicle.
  • An embodiment of the present application provides a refrigerant heat exchange device, which has a simple structure, can simplify refrigerant pipelines, and has simple pipeline wiring, can reduce the number of control valves used, and reduce costs.
  • the embodiment of the present application provides an indirect heat pump system, which has a simple structure, small space occupied by pipelines, and is easy to arrange.
  • the embodiment of the present application provides a refrigerant heat exchange device, which includes a device body, a first communication cavity, a second communication cavity, and a first valve core.
  • the device body is provided with a cold water unit and a hot water unit.
  • the cold water unit includes a first chamber and a second chamber
  • the hot water unit includes a third chamber and a fourth chamber
  • the first chamber and the third chamber are provided with a first inlet
  • a water port is connected to the first heat exchanger
  • the first water inlet of the third chamber and the first water outlet of the fourth chamber are connected to the second heat exchanger
  • the device body is also A second water outlet and a second water inlet for connecting the load are provided
  • the first communication chamber communicates with the first chamber and the third chamber
  • the second water outlet communicates with the first communication chamber communicated
  • the second communicating chamber communicates with the second chamber and the fourth chamber
  • the second water inlet communicates with the second communicating chamber
  • the first chamber, the second chamber chamber, the third chamber and the fourth chamber are all provided with the first valve core
  • the first valve core can respectively control the opening and closing of the first communication chamber and the second communication chamber.
  • an embodiment of the present application provides an indirect heat pump system, including the above-mentioned refrigerant heat exchange device.
  • FIG. 1 is a schematic structural diagram of a refrigerant heat exchange device according to an embodiment of the present application.
  • Fig. 2 is an exploded assembly view of the refrigerant heat exchange device according to the embodiment of the present application.
  • FIG. 3 is a first partial cross-sectional view of the refrigerant heat exchange device according to the embodiment of the present application.
  • FIG. 4 is a second partial cross-sectional view of the refrigerant heat exchange device according to the embodiment of the present application.
  • FIG. 5 is a third partial cross-sectional view of the refrigerant heat exchange device according to the embodiment of the present application.
  • FIG. 6 is a fourth partial cross-sectional view of the refrigerant heat exchange device according to the embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a first viewing angle of a device body according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a device body in a second viewing angle according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a device body in a third viewing angle according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of the assembly of the sealing member and the mounting plate according to the embodiment of the present application.
  • Fig. 11 is a working principle diagram of the refrigerant heat exchange device according to the embodiment of the present application.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection, or integrated; it can be a mechanical connection, or a Electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components.
  • connection can be a fixed connection, or a detachable connection, or integrated; it can be a mechanical connection, or a Electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components.
  • a first feature being "on” or “under” a second feature may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact but pass between them. additional feature contacts.
  • “above”, “above” and “above” the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.
  • “Below”, “beneath” and “under” the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the refrigerant heat exchange device of the embodiment of the present application includes a device body 1, a first communication chamber 109, a second communication chamber 110 and a first valve core 2, and the device body 1 is provided with a cold water unit and
  • the hot water unit the cold water unit includes a first chamber 101 and the second chamber 102
  • the hot water unit includes a third chamber 103 and a fourth chamber 104
  • the first chamber 101 and the third chamber 103 are provided with
  • the first water inlet 105, the second chamber 102 and the fourth chamber 104 are provided with a first water outlet 106
  • the first water inlet 105 of the first chamber 101 and the first water outlet 106 of the second chamber 102 Connected to the first heat exchanger 117, the first water inlet 105 of the third chamber 103 and the first water outlet 106 of the fourth chamber 104 are connected to the second heat exchanger 118
  • the device body 1 is also provided with a The second water outlet 107 and the second water inlet 108 of the load 119, the
  • the first spool 2 in the first chamber 101 can control the connection between the first chamber 101 and the first communication chamber 109
  • the first spool 2 in the second chamber 102 can Control the on-off between the second chamber 102 and the second communication chamber 110
  • the first valve core 2 in the third chamber 103 can control the on-off between the third chamber 103 and the first communication chamber 109
  • the second The first valve core 2 in the four chambers 104 can control the connection between the fourth chamber 104 and the second communication chamber 110 .
  • the first communication chamber 109 is set to communicate with the first chamber 101 and the third chamber 103
  • the second water outlet 107 communicates with the first communication chamber 109
  • the second communication chamber 110 communicates with the second chamber 102 and the fourth chamber 103.
  • the chamber 104, the second water inlet 108 communicate with the second communication chamber 110
  • the first valve core 2 can control only the low-temperature refrigerant or the high-temperature refrigerant to flow out of the first communication chamber 109 and the second communication chamber 110 by respectively controlling the on-off.
  • the second water outlet 107, or two kinds of refrigerants flow out at the same time, and then flow out of the second water inlet 108 after mixing.
  • the cold water unit and the hot water unit are integrated together, which can realize three modes of heat exchange, simplify the refrigerant pipeline, and the pipeline wiring is simple. , reduce the situation of wrong wiring, reduce the use of control valves in refrigerant pipelines, reduce costs, and reduce the space occupied by the heat pump system; when two refrigerants flow out at the same time, the rotation of the first valve core 2 can also control different refrigerants flow, thereby adjusting the temperature of the refrigerant flowing through the load 119 to meet the heat exchange requirements of different loads 119, thereby improving the performance of the load 119 and reducing power consumption.
  • the first valve core 2 is provided with a plurality of different flow channels 21, selectively rotating the first valve core 2 can drive different flow channels 21 to communicate with the first water inlet 105 and a second water outlet 107 . Connect the first water outlet 106 and the second water inlet 108 .
  • the device body 1 is provided with a second valve core 3, and the second valve core 3 can control the opening and closing of the first water inlet 105 and the first water outlet 106.
  • Turning the second valve core 3 can make the refrigerant flow directly from the first water inlet 105 of the cold water unit through the heat exchanger to the second water outlet 107 of the cold water unit or flow from the first water inlet 105 of the hot water unit through the heat exchanger to hot water
  • the second water outlet 107 of the unit is used for cooling or heating, without the need for heat exchange through the second water outlet 107 and the second water inlet 108, thereby improving heat exchange efficiency.
  • the device body 1 is provided with an installation cavity 111, and the installation cavity 111 is provided with a first through hole 112, a second through hole 113, a third through hole 114 and a fourth through hole 115, the first through hole 112 communicates with the first chamber 101, the second through hole 113 communicates with the first chamber 101 through the first communicating chamber 109, the third through hole 114 communicates with the second chamber 102, and the fourth through hole 115 communicates through the second
  • the cavity 110 communicates with the second chamber 102, and the second valve core 3 is arranged in the installation cavity 111. Turning the second valve core 3 can make the first through hole 112 communicate with the fourth through hole 115 or the second through hole 113 communicate with the fourth through hole.
  • the three through holes 114 are connected.
  • the refrigerant can flow from the first water inlet 105 through the first through hole 112 to the fourth through hole 115, enter the second communication chamber 110 and flow from the first through hole 115 to the fourth through hole 115.
  • the water outlet 106 flows out; when the second valve core 3 communicates with the second through hole 113 and the third through hole 114, the refrigerant can flow into the second communication chamber 110 from the first water inlet 105 and then flow to the third through hole through the second through hole 113 114, flowing out from the first water outlet 106.
  • the second valve core 3 is provided with a second driving member 9 capable of driving the second valve core 3 to rotate.
  • the second valve core 3 is a cylindrical valve core. When cooling or heating is not needed, the second valve core 3 can be rotated so that the interface on the second valve core 3 is not connected with the first water inlet 105 and the first water outlet 106. .
  • first communicating cavities 109 and multiple second communicating cavities 110 there are multiple first communicating cavities 109 and multiple second communicating cavities 110 .
  • Each first communication chamber 109 communicates with at least one second water outlet 107
  • each second communication chamber 110 communicates with at least one second water inlet 108 .
  • Having multiple first communication cavities 109 and second communication cavities 110 can connect more loads 119 and perform heat exchange for multiple loads 119 at the same time.
  • the device body 1 is provided with an opening along the first direction (length direction), and the first chamber 101, the second chamber 102, the third chamber 103 and the fourth chamber 104 are all communicated with the opening, and the opening Cover plate assembly 4 is provided on each of them, and the cover plate assembly 4 is detachably connected with the device body 1 to block the opening.
  • the cover plate assembly 4 is detachably connected to the device body 1 , which facilitates the installation of the first valve core 2 , and the cover plate assembly 4 can ensure the sealing of the device body 1 .
  • the cover plate assembly 4 includes a first cover plate 41 and a second cover plate 42, the first cover plate 41 is provided with a plurality of fifth through holes 411 corresponding to the first valve core 2, and a plurality of first valve cores 41 are provided.
  • the core 2 is connected to the first driving member 5 through the fifth through hole 411 .
  • the first driving member 5 is set to drive the first valve core 2 to rotate, thereby controlling the switch of the second water outlet 107 and the second water inlet 108, and can also control the rotation angle of the first valve core 2, thereby controlling the first valve core 2
  • the flow rate of the low-temperature refrigerant and the high-temperature refrigerant can be controlled, and the neutralization of the low-temperature refrigerant and the high-temperature refrigerant with different flow rates can adjust the temperature of the refrigerant flowing out of the second water outlet 107 to meet different requirements.
  • the heat exchange temperature of the load 119 improves the performance of the load 119 .
  • the first driving member 5 includes a gear assembly 51 and a motor 52 , the gear assembly 51 is installed in the accommodating cavity, the motor 52 is installed on the side of the second cover 42 away from the first cover 41 , and the motor 52 is connected with the gear assembly 51 .
  • a first spool 2 is connected with a driven gear, the motor 52 is connected with a driving gear, and the driven gear meshes with the driving gear.
  • the rotation of the driving gear driven by the motor 52 can drive the driven gear to rotate together, the rotation of the driven gear can drive the first valve core 2 to rotate, and the rotation of the first valve core 2 can control the flows of different refrigerants.
  • the first chamber 101, the second chamber 102, the third chamber 103 and the fourth chamber 104 are all provided with two first valve cores 2 along their own length direction, and the two valve cores 2 in the same chamber
  • the two first valve cores 2 are connected by a support member 6, and the device body 1 is provided with two first drive members 5, and the two first drive members 5 are respectively arranged on opposite sides of the device body 1, and one first drive member 5 drives the four first spools 2 on the same side to rotate.
  • the support member 6 By setting the support member 6, it is possible to support two first valve cores 2 in the same chamber, so that the rotation center of the first valve core 2 and the rotation center of the first driving member 5 are always on the same straight line, ensuring that the first valve core 2 It can rotate smoothly while avoiding the deviation of the first valve core 2 .
  • the deviation of the first valve core 2 causes the refrigerant to flow out from the other second water outlet 107 and the second water inlet 108 , so that the first valve core 2 loses its control function.
  • Two first driving parts 5 are set to respectively drive the first spools 2 on both sides to rotate different first spools 2 so that the flow channels 21 of different first spools 2 are connected to the second water outlet 107 or the second inlet.
  • the first communication chamber 109 communicates with the first chamber 101 and the third chamber 103 through two seventh through holes 116 respectively
  • the second communication chamber 110 communicates with the first chamber 101 through two seventh through holes 116 respectively
  • the second chamber 102 communicates with the fourth chamber 104.
  • a flat mounting surface is arranged at the position of the seventh through hole 116 in the four chambers, and a mounting plate 7 is detachably arranged on the mounting surface.
  • the abutting abutment plane 71 and the mating arc surface 72 that cooperates with the first valve core 2 a sealing ring 8 is arranged between the abutment plane 71 and the installation surface, and an avoidance hole 73 is opened on the installation plate 7 corresponding to the seventh through hole 116 , The avoidance hole 73 communicates with the abutment plane 71 and the mating arc surface 72 . Since the side walls of the first valve core 2 and the four chambers are arc-shaped, the installation plate 7 can facilitate the installation of the sealing ring 8, and the abutment plane 71 of the installation plate 7 abuts on the installation surface, and the refrigerant passes through the first valve.
  • the flow channel 21 on the core 2 flows out of the first communication cavity 109 and the second communication cavity 110 from the avoidance hole 73 and the seventh through hole 116, and the installation plate 7 and the sealing ring 8 can ensure that each first communication cavity 109 and each The second communicating cavities 110 are isolated from each other.
  • the working principle of the above-mentioned refrigerant heat exchange device is: when the components need cooling, the refrigerant enters the first chamber 101 through the first heat exchanger 117 through the first water inlet 105, and then passes through the first communication
  • the cavity 109 and the second water outlet 107 flow into the load 119, then flow from the load 119 to the second water inlet 108 and the second communication cavity 110, enter the second chamber 102, and return from the first water outlet 106 to the first heat exchange device 117.
  • the refrigerant enters the third chamber 103 through the second heat exchanger 118 through the first water inlet 105, then flows into the load 119 through the first communication chamber 109 and the second water outlet 107, and then flows from the load 119 flows to the second water inlet 108 and the second communication chamber 110 , enters the fourth chamber 104 , and returns to the second heat exchanger 118 from the first water outlet 106 .
  • the refrigerant When the two refrigerants flow out at the same time, the refrigerant enters the first chamber 101 through the first heat exchanger 117 through the first water inlet 105, and at the same time, the refrigerant enters the third chamber through the second heat exchanger 118 and through the first water inlet 105 In 103, the two refrigerants are mixed and then flow into the load 119 through the first communication chamber 109 and the second water outlet 107, then flow from the load 119 to the second water inlet 108 and the second communication chamber 110, and then enter the fourth chamber 104. Then return from the first water outlet 106 to the first heat exchanger 117 and the second heat exchanger 118 respectively.
  • the first communication chamber is set to communicate with the first chamber and the third chamber
  • the second water outlet communicates with the first communication chamber
  • the second communication chamber communicates with the second chamber and the fourth chamber
  • the second The water inlet communicates with the second communication chamber
  • the first valve core can control only the low-temperature refrigerant or the high-temperature refrigerant to flow out of the second water outlet, or the two refrigerants to flow out simultaneously by controlling the on-off of the first communication chamber and the second communication chamber respectively.
  • the rotation of the first spool can also control the flow of different refrigerants, thereby adjusting the temperature of the refrigerant flowing through the load to meet the heat exchange requirements of different loads, thereby improving the performance of the load and reducing power consumption.
  • the embodiment of the present application also discloses an indirect heat pump system, which includes the refrigerant heat exchange device as in any of the above embodiments, which can simplify the pipeline of the heat pump system, reduce the occupied space of the heat pump system, and facilitate the installation of the heat pump system on the whole vehicle.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

本申请公开一种冷媒换热装置及间接式热泵系统，其中，冷媒换热装置包括装置本体、第一连通腔、第二连通腔和第一阀芯，装置本体内设有冷水单元和热水单元，冷水单元包括第一腔室和第二腔室，热水单元包括第三腔室和第四腔室，第一腔室和第三腔室上均设有第一进水口，第二腔室和第四腔室上均第一出水口，装置本体上设置有第二出水口和第二进水口，第一连通腔连通第一腔室和第三腔室，第二出水口与第一连通腔连通，第二连通腔连通第二腔室和第四腔室，第二进水口与第二连通腔连通，第一腔室、第二腔室、第三腔室和第四腔室内均设置有第一阀芯，第一阀芯能分别第一连通腔和第二连通腔通断。

Description

冷媒换热装置及间接式热泵系统
本公开要求在2021年10月12日提交中国专利局、申请号为202111186309.0的中国专利申请的优先权，以上申请的全部内容通过引用结合在本公开中。
技术领域
本申请涉及热泵空调技术领域，例如涉及一种冷媒换热装置及间接式热泵系统。
背景技术
新能源汽车空调系统主要是利用电力作为能源消耗，但是由于新能源汽车的电容量是固定的，不能利用发动机的余热进行有效供暖，空调系统的能源消耗，会对新能源的续航能力造成影响，迫使新能源汽车的空调系统技术需要更加趋近于节能和高效能源利用。
相关技术中，汽车的热泵空调大多采用直接式热泵系统，此直接式热泵系统是利用乘客舱空调箱内的蒸发器冷却乘客舱、空调箱内的冷凝器为乘客舱采暖，加上用于电池包冷却的chiller板式换热器，冷媒侧连成一个多换热器系统。但直接式热泵系统存在以下几个缺陷：
1、换热器数量多，导致冷媒回路多、冷媒管路复杂、管路尺寸长、冷媒回路的电磁截止阀和节流阀数量多；
2、控制阀与元器件需要连接管路，导致接头过多，管路连接复杂容易增加冷媒的泄露风险；
3、整个系统的连接管路的占用空间很多，不利于整车的热泵系统布置，且影响整车的生产效率。
发明内容
本申请实施例提供一种冷媒换热装置，其结构简单，能够简化冷媒管路，且管路接线简单，能够减少使用控制阀的数量，降低成本。
本申请实施例提供一种间接式热泵系统，其结构简单，管路占用空间小，便于布置。
本申请实施例采用以下技术方案：
第一方面，本申请实施例提供一种冷媒换热装置，包括装置本体、第一连通腔、第二连通腔和第一阀芯，所述装置本体内设有冷水单元和热水单元，所述冷水单元包括第一腔室和第二腔室，所述热水单元包括第三腔室和第四腔室，所述第一腔室和所述第三腔室上均设有第一进水口，所述第二腔室和所述第四腔室上均设有第一出水口，所述第一腔室的所述第一进水口和所述第二腔室的所述第一出水口与第一换热器连接，所述第三腔室的所述第一进水口和所述第四腔室的所述第一出水口与第二换热器连接，所述装置本体上还设置有用于连接负载的第二出水口和第二进水口，所述第一连通腔连通所述第一腔室和所述第三腔室，所述第二出水口与所述第一连通腔连通，所述第二连通腔连通所述第二腔室和所述第四腔室，所述第二进水口与所述第二连通腔连通，所述第一腔室、所述第二腔室、所述第三腔室和所述第四腔室内均设置有所述第一阀芯，所述第一阀芯能分别控制所述第一连通腔和所述第二连通腔通断。
第二方面，本申请实施例提供一种间接式热泵系统，包括如上所述的冷媒换热装置。
附图说明
下面根据附图和实施例对本申请作详细说明。
图1为本申请实施例的冷媒换热装置的结构示意图。
图2为本申请实施例的冷媒换热装置的装配分解图。
图3为本申请实施例的冷媒换热装置的第一局部剖视图。
图4为本申请实施例的冷媒换热装置的第二局部剖视图。
图5为本申请实施例的冷媒换热装置的第三局部剖视图。
图6为本申请实施例的冷媒换热装置的第四局部剖视图。
图7为本申请实施例的装置本体的第一视角结构示意图。
图8为本申请实施例的装置本体的第二视角结构示意图。
图9为本申请实施例的装置本体的第三视角结构示意图。
图10为本申请实施例的密封件与安装板组装后的结构示意图。
图11为本申请实施例的冷媒换热装置的工作原理图。
图中：
1、装置本体；101、第一腔室；102、第二腔室；103、第三腔室；104、第四腔室；105、第一进水口；106、第一出水口；107、第二出水口；108、第二进水口；109、第一连通腔；110、第二连通腔；111、安装腔；112、第一通孔；113、第二通孔；114、第三通孔；115、第四通孔；116、第七通孔；117、第一换热器；118、第二换热器；119、负载；2、第一阀芯；21、流道；3、第二阀芯；4、盖板组件；41、第一盖板；411、第五通孔；42、第二盖板；421、第六通孔；5、第一驱动件；51、齿轮组件；52、电机；6、支撑件；7、安装板；71、抵紧平面；72、配合弧面；73、避让孔；8、密封圈；9、第二驱动件。
具体实施方式
下面将结合附图对本申请实施例作详细描述，所描述的实施例仅仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，术语“相连”、“连接”、“固定”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或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，可以根据实际情况理解上述术语在本申请中的含义。
在本申请中，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
如图1至图10所示，本申请实施例的冷媒换热装置包括装置本体1、第一连通腔109、第二连通腔110和第一阀芯2，装置本体1内设有冷水单元和热水单元，冷水单元包括第一腔室101和第二腔室102，热水单元包括第三腔室103和第四腔室104，第一腔室101和第三腔室103上均设有第一进水口105，第二腔室102和第四腔室104上均设有第一出水口106，第一腔室101的第一进水口 105和第二腔室102的第一出水口106与第一换热器117连接，第三腔室103的第一进水口105和第四腔室104的第一出水口106与第二换热器118连接，装置本体1上还设置有用于连接负载119的第二出水口107和第二进水口108，第一连通腔109连通第一腔室101和第三腔室103，第二出水口107与第一连通腔109连通，第二连通腔110连通第二腔室102和第四腔室104，第二进水口108与第二连通腔110连通，第一腔室101、第二腔室102、第三腔室103和第四腔室104内均设置有第一阀芯2，第一阀芯2能分别控制第一连通腔109和第二连通腔110通断。
在一实施例中，第一腔室101内的第一阀芯2能控制第一腔室101与第一连通腔109之间的通断，第二腔室102内的第一阀芯2能控制第二腔室102与第二连通腔110之间的通断，第三腔室103内的第一阀芯2能控制第三腔室103与第一连通腔109之间的通断，第四腔室104内的第一阀芯2能控制第四腔室104与第二连通腔110之间的通断。
可选的，设置第一连通腔109连通第一腔室101和第三腔室103，第二出水口107与第一连通腔109连通，第二连通腔110连通第二腔室102和第四腔室104，第二进水口108与第二连通腔110连通，第一阀芯2通过分别控制第一连通腔109和第二连通腔110的通断，能够控制只有低温冷媒或高温冷媒流出第二出水口107，或两种冷媒同时流出，混合后流出第二进水口108，将冷水单元和热水单元集成在一起，能够实现三种模式换热，简化了冷媒管路，管路接线简单，减少接错线的情况，同时减少冷媒管路的控制阀的使用，降低成本，且能够减少热泵系统的占用空间；当两种冷媒同时流出时，第一阀芯2转动还能够控制不同冷媒的流量，从而调节流经负载119的冷媒的温度，满足不同负载119的换热需求，从而提高负载119的性能，降低功耗。
在一实施例中，第一阀芯2上设有多个不同的流道21，选择性转动第一阀芯2，能够驱动不同的流道21连通第一进水口105与一个第二出水口107、连通第一出水口106与第二进水口108。
转动不同的第一阀芯2使不同的流道21与不同的第二出水口107或不同的第二进水口108连通，冷媒通过连通的第二进水口108和第二出水口107对负载119进行换热，从而控制对需要换热的负载119进行换热。
在本实施例中，装置本体1上设置第二阀芯3，第二阀芯3能控制第一进水口105和第一出水口106通断。转动第二阀芯3能够使冷媒直接从冷水单元的第一进水口105经过换热器流向冷水单元的第二出水口107或从热水单元的第一进水口105经过换热器流向热水单元的第二出水口107，进行制冷或制热，不需要通过第二出水口107和第二进水口108进行换热，提高换热效率。
在一实施例中，装置本体1上设有安装腔111，安装腔111内设有第一通孔112、第二通孔113、第三通孔114和第四通孔115，第一通孔112与第一腔室101连通，第二通孔113通过第一连通腔109与第一腔室101连通，第三通孔114与第二腔室102连通，第四通孔115通过第二连通腔110与第二腔室102连通，第二阀芯3设置在安装腔111内，转动第二阀芯3能够使第一通孔112与第四通孔115连通或第二通孔113与第三通孔114连通。当第二阀芯3连通第一通孔112与第四通孔115时，冷媒能够从第一进水口105通过第一通孔112流向第四通孔115，进入第二连通腔110从第一出水口106流出；当第二阀芯3连通第二通孔113与第三通孔114，冷媒能够从第一进水口105流入第二连通腔110后通过第二通孔113流向第三通孔114，从第一出水口106流出。
在一实施例中，第二阀芯3上设有第二驱动件9，第二驱动件9能够驱使第二阀芯3转动。第二阀芯3为圆柱阀芯，不需要制冷或制热时，能够转动第二阀芯3使第二阀芯3上的接口与第一进水口105和第一出水口106不连通即可。
在本实施例中，第一连通腔109和第二连通腔110均设置有多个。每个第一连通腔109与至少一个第二出水口107连通，每个第二连通腔110与至少一个第二进水口108连通。设有多个第一连通腔109和第二连通腔110能够连接更多的负载119，同时为多个负载119进行换热。
在本实施例中，装置本体1沿第一方向(长度方向)设有开口，第一腔室101、第二腔室102、第三腔室103和第四腔室104均与开口连通，开口上均设有盖板组件4，盖板组件4与装置本体1可拆卸连接以封堵开口。通过设有盖板组件4与装置本体1可拆卸连接，便于安装第一阀芯2，且盖板组件4能够保证装置本体1的密封性。
在一实施例中，盖板组件4包括第一盖板41和第二盖板42，第一盖板41上对应第一阀芯2设有多个第五通孔411，多个第一阀芯2穿过第五通孔411与第一驱动件5连接。第一驱动件5设置为驱动第一阀芯2转动，从而控制第二出水口107和第二进水口108的开关，也能够控制第一阀芯2的转动角度，从而控制第一阀芯2上的流道21与第二出水口107或第二进水口108的连通处的冷媒流通速度。当低温冷媒和高温冷媒同时与第二出水口107连通时，能够控制低温冷媒和高温冷媒的流量，不同流量的低温冷媒和高温冷媒中和能够调节流出第二出水口107的冷媒温度，满足不同负载119的换热温度，提高负载119的性能。
在一实施例中，第一盖板41和第二盖板42之间具有封闭的容纳腔，第二盖板42设有第六通孔421，第一驱动件5包括齿轮组件51和电机52，齿轮组件51安装在容纳腔内，电机52安装在第二盖板42远离第一盖板41的一侧， 电机52与齿轮组件51连接。一个第一阀芯2与一个从动齿轮连接，电机52与一个主动齿轮连接，从动齿轮与主动齿轮啮合。电机52驱动主动齿轮转动能够带动从动齿轮一起转动，从动齿轮转动能够带动第一阀芯2转动，第一阀芯2转动能够控制不同冷媒的流量。
在本实施例中，第一腔室101、第二腔室102、第三腔室103和第四腔室104内均沿自身长度方向设有两个第一阀芯2，同一腔室内的两个第一阀芯2通过支撑件6连接，装置本体1上设有两个第一驱动件5，两个第一驱动件5分别设置在装置本体1上的相对两侧，一个第一驱动件5驱使同一侧的四个第一阀芯2转动。通过设置支撑件6，能够支撑同一腔室内的两个第一阀芯2，使第一阀芯2的转动中心与第一驱动件5的转动中心始终处于同一直线上，保证第一阀芯2能够转动顺畅，同时避免第一阀芯2偏移。第一阀芯2偏移导致冷媒从其他第二出水口107和第二进水口108流出，从而第一阀芯2失去控制作用。设置两个第一驱动件5分别驱动两侧的第一阀芯2，转动不同的第一阀芯2，使不同的第一阀芯2的流道21与第二出水口107或第二进水口108连通的组合更多，便于控制第一阀芯2对不同的负载119进行换热。
在本实施例中，第一连通腔109通过两个第七通孔116分别与第一腔室101和第三腔室103连通，第二连通腔110通过两个第七通孔116分别与第二腔室102和第四腔室104连通，四个腔室内均在第七通孔116的位置设置有平面的安装面，安装面上可拆卸设置有安装板7，安装板7具有与安装面抵接的抵紧平面71和与第一阀芯2配合的配合弧面72，抵紧平面71与安装面之间设置有密封圈8，安装板7上对应第七通孔116开设避让孔73，避让孔73连通抵紧平面71和配合弧面72。由于第一阀芯2和四个腔室的侧壁为圆弧状，设置安装板7能够便于安装密封圈8，安装板7的抵紧平面71抵接在安装面上，冷媒通过第一阀芯2上的流道21从避让孔73和第七通孔116流出第一连通腔109和第二连通腔110，设置安装板7和密封圈8能够保证每个第一连通腔109和每个第二连通腔110之间相互隔离。
如图11所示，上述冷媒换热装置的工作原理为：当元器件需要制冷时，冷媒经过第一换热器117经过第一进水口105进入第一腔室101内，再通过第一连通腔109和第二出水口107流入负载119，再从负载119流向第二进水口108和第二连通腔110，进入第二腔室102内，再从第一出水口106回到第一换热器117。
当元器件需要加温时，冷媒经过第二换热器118经过第一进水口105进入第三腔室103内，再通过第一连通腔109和第二出水口107流入负载119，再从负载119流向第二进水口108和第二连通腔110，进入第四腔室104内，再从第 一出水口106回到第二换热器118。
当两种冷媒同时流出时，冷媒经过第一换热器117经过第一进水口105进入第一腔室101内，同时冷媒经过第二换热器118经过第一进水口105进入第三腔室103内，两种冷媒混合后再通过第一连通腔109和第二出水口107流入负载119，再从负载119流向第二进水口108和第二连通腔110，进入第四腔室104内，再分别从第一出水口106回到第一换热器117和第二换热器118。
在一实施例中，设置第一连通腔连通第一腔室和第三腔室，第二出水口与第一连通腔连通，第二连通腔连通第二腔室和第四腔室，第二进水口与第二连通腔连通，第一阀芯通过分别控制第一连通腔和第二连通腔的通断，能够控制只有低温冷媒或高温冷媒流出第二出水口，或两种冷媒同时流出，中和后流出第二进水口，将冷水单元和热水单元集成在一起，能够实现三种模式换热，简化了冷媒管路，管路接线简单，减少了管路控制阀的使用；当两种冷媒同时流出时，第一阀芯转动还能够控制不同冷媒的流量，从而调节流经负载的冷媒的温度，满足不同负载的换热需求，从而提高负载的性能，降低功耗。
本申请实施例还公开一种间接式热泵系统，其包括如上述任意实施例的冷媒换热装置，能够简化热泵系统的管路，减少热泵系统的占用空间，便于热泵系统安装到整车上。
于本文的描述中，需要理解的是，术语“上”等方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述和简化操作，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作。
在本说明书的描述中，参考术语“一实施例”等的描述意指结合该实施例的特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (10)

  1. 一种冷媒换热装置，包括：
    装置本体，所述装置本体内设有冷水单元和热水单元，所述冷水单元包括第一腔室和第二腔室，所述热水单元包括第三腔室和第四腔室，所述第一腔室和所述第三腔室上均设有第一进水口，所述第二腔室和所述第四腔室上均设有第一出水口，所述第一腔室的所述第一进水口和所述第二腔室的所述第一出水口与第一换热器连接，所述第三腔室的所述第一进水口和所述第四腔室的所述第一出水口与第二换热器连接；所述装置本体上还设置有用于连接负载的第二出水口和第二进水口；
    第一连通腔，所述第一连通腔连通所述第一腔室和所述第三腔室，所述第二出水口与所述第一连通腔连通；
    第二连通腔，所述第二连通腔连通所述第二腔室和所述第四腔室，所述第二进水口与所述第二连通腔连通；
    第一阀芯，所述第一腔室、所述第二腔室、所述第三腔室和所述第四腔室内均设置有所述第一阀芯，所述第一阀芯能分别控制所述第一连通腔和所述第二连通腔通断。
  2. 根据权利要求1所述冷媒换热装置，其中，所述装置本体上设置第二阀芯，所述第二阀芯能控制所述第一进水口和所述第一出水口通断。
  3. 根据权利要求2所述冷媒换热装置，其中，所述装置本体上设有安装腔，所述安装腔内设有第一通孔、第二通孔、第三通孔和第四通孔，所述第一通孔与所述第一腔室连通，所述第二通孔通过所述第一连通腔与所述第一腔室连通，所述第三通孔与所述第二腔室连通，所述第四通孔通过所述第二连通腔与所述第二腔室连通，所述第二阀芯设置在所述安装腔内，转动所述第二阀芯能够使所述第一通孔与所述第四通孔连通或所述第二通孔与所述第三通孔连通。
  4. 根据权利要求1所述冷媒换热装置，其中，所述第一连通腔和所述第二连通腔均设置有多个。
  5. 根据权利要求1所述冷媒换热装置，其中，所述装置本体沿第一方向设有开口，所述第一腔室、所述第二腔室、所述第三腔室和所述第四腔室均与所述开口连通，所述开口上均设有盖板组件，所述盖板组件与所述装置本体可拆卸连接以封堵所述开口。
  6. 根据权利要求5所述冷媒换热装置，其中，所述盖板组件包括第一盖板和第二盖板，所述第一盖板上对应所述第一阀芯设有多个第五通孔，多个所述第一阀芯穿过所述第五通孔与第一驱动件连接。
  7. 根据权利要求6所述冷媒换热装置，其中，所述第一盖板和所述第二盖板之间具有封闭的容纳腔，所述第二盖板设有第六通孔，所述第一驱动件包括齿轮组件和电机，所述齿轮组件安装在所述容纳腔内，所述电机安装在所述第二盖板远离所述第一盖板的一侧，所述电机与所述齿轮组件传动连接。
  8. 根据权利要求6所述冷媒换热装置，其中，所述第一腔室、所述第二腔室、所述第三腔室和所述第四腔室内均沿自身长度方向设有两个所述第一阀芯，同一腔室内的两个所述第一阀芯通过支撑件连接，所述装置本体上设有两个所述第一驱动件，两个所述第一驱动件分别设置在所述装置本体上的相对两侧，一个所述第一驱动件驱使同一侧的四个所述第一阀芯转动。
  9. 根据权利要求1所述冷媒换热装置，其中，所述第一连通腔通过两个第七通孔分别与所述第一腔室和所述第三腔室连通，所述第二连通腔通过两个所述第七通孔分别与所述第二腔室和所述第四腔室连通；
    四个腔室内均在所述第七通孔的位置设置有平面的安装面，所述安装面上可拆卸设置有安装板，所述安装板具有与所述安装面抵接的抵紧平面和与所述第一阀芯配合的配合弧面，所述抵紧平面与所述安装面之间设置有密封圈，所述安装板上对应所述第七通孔开设避让孔，所述避让孔连通所述抵紧平面和所述配合弧面。
  10. 一种间接式热泵系统，包括如权利要求1-9任一项所述的冷媒换热装置。
PCT/CN2022/085368 2021-10-12 2022-04-06 冷媒换热装置及间接式热泵系统 WO2023060852A1 (zh)

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