CN218867214U - Medium-and-large-sized heat pump energy storage liquid cooling device suitable for high-and-low temperature environment - Google Patents
Medium-and-large-sized heat pump energy storage liquid cooling device suitable for high-and-low temperature environment Download PDFInfo
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- CN218867214U CN218867214U CN202223173953.7U CN202223173953U CN218867214U CN 218867214 U CN218867214 U CN 218867214U CN 202223173953 U CN202223173953 U CN 202223173953U CN 218867214 U CN218867214 U CN 218867214U
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Abstract
A medium-large heat pump energy storage liquid cooling device suitable for high and low temperature environments is characterized in that when a first thermometer displays that the temperature in a container of an energy storage battery system reaches a set temperature range, natural cooling is executed, when the first thermometer displays that the temperature in the container of the energy storage battery system reaches a second set temperature range, fluorine system circulating cooling is executed, when the first thermometer displays that the temperature in the container of the energy storage battery system is lower than the normal working temperature of an energy storage battery cluster of the energy storage battery system, fluorine system circulating heating is executed, when a hygrometer displays that the humidity in the container of the energy storage battery system is higher than the normal working humidity of the energy storage battery cluster of the energy storage battery system, fluorine system circulating dehumidification is executed, the overall power consumption of a liquid cooling system can be reduced, the circulating heating of the fluorine system also reduces the power consumption of electric heating, and condensed water can be removed through circulating dehumidification of the fluorine system.
Description
Technical Field
The utility model belongs to the technical field of heat pump energy storage liquid cooling, concretely relates to medium and large-scale heat pump energy storage liquid cooling device suitable for high low temperature environment.
Background
In response to the national "3060 dual-carbon target", the energy storage industry will meet the rapid development demand, and the market demand for energy storage battery systems will be higher and higher. The energy storage battery system is an important component of a modern power system and a smart grid and is also an important link for realizing the high-efficiency application of renewable energy source grid connection, consumption and distributed power generation. Compared with other energy storage modes, the electrochemical energy storage has the advantages of short corresponding time, high energy density, small site limitation and the like, and is particularly suitable for urban energy storage systems.
The energy storage battery system generally has large battery capacity and power, the heat generation of an internal battery has high heat dissipation requirements, most of conventional liquid cooling systems aiming at the energy storage battery system adopt an electric heater for heating, and the whole liquid cooling system has no dehumidification function, so that the problems of high power consumption, incomplete condensate water removal and the like which are not beneficial to equipment safety exist. In order to effectively reduce the risk of the condensed water formed by the liquid cooling system to the battery cluster of the energy storage battery system and further reduce the overall power consumption of the liquid cooling system, the problem which needs to be solved urgently is solved.
Disclosure of Invention
For solving the not enough that has in prior art, the utility model provides a well large-scale heat pump energy storage liquid cooling device suitable for high low temperature environment, the temperature in the container that shows energy storage battery system at thermometer one shows that the temperature in energy storage battery system has reached the temperature range of settlement one time, just carry out natural cooling, when the temperature in the container that shows energy storage battery system at thermometer one has reached the temperature range of settlement two times, just carry out fluorine system circulation cooling, when the temperature in the container that shows energy storage battery system at thermometer one shows energy storage battery system is less than energy storage battery system's energy storage battery cluster normal operating temperature, just carry out fluorine system circulation and heat, when the humidity in the container that shows energy storage battery system is higher than energy storage battery system's energy storage battery cluster normal operating humidity, just carry out fluorine system circulation dehumidification, complete machine liquid cooling system power consumption can reduce the consumption, fluorine system circulation heats the consumption that has also reduced electric heating, the comdenstion water just can be detached in the fluorine system circulation dehumidification.
The utility model adopts the following technical proposal.
The utility model provides a medium and large-scale heat pump energy storage liquid cooling device suitable for high low temperature environment, includes:
a first thermometer, a hygrometer and a liquid refrigerator are arranged in a container with an energy storage battery system, and a liquid cooling device is accommodated in the liquid refrigerator;
the outer wall of the liquid refrigerator is provided with a through type water return port and a through type water supply port;
the water return port and the water supply port are respectively communicated with two ends of a liquid cooling plate laid on the outer wall of an energy storage battery cluster of the energy storage battery system through a first quick connector and a second quick connector;
the liquid cooling device comprises a water system circulating unit and a fluorine system circulating and dehumidifying circulating unit.
Preferably, the water system circulating unit comprises a main circulating pump, and the water return port is communicated with an inlet of the main circulating pump through a water return pipe; a bypass pipeline is also arranged on the water return pipe to be communicated with a water tank containing cooling water; an outlet of the main circulating pump is communicated with an inlet of a three-way valve through a first pipeline, an outlet of the three-way valve is communicated with one end of a natural cooling heat exchanger through a second pipeline, a first fan is arranged beside the natural cooling heat exchanger, the other end of the natural cooling heat exchanger is communicated with an inlet of a third ball valve through a third pipeline, an outlet of the third ball valve is communicated with an inlet of a first filter through a fourth pipeline, and an outlet of the first filter is communicated with a water supply port through a fifth pipeline; and one outlet of the three-way valve is communicated with one end of the waterway channel of the first heat exchanger through a pipeline six, and a bypass pipeline is arranged on a pipeline four and is communicated with the other end of the waterway channel of the first heat exchanger.
Preferably, a third thermometer and a second pressure gauge are arranged on the fifth pipeline; an automatic exhaust valve II is arranged on the pipeline VI; and a bypass pipeline arranged on the second pipeline is provided with a second ball valve and an automatic exhaust valve III, and the second pipeline is provided with a seventh thermometer.
Preferably, the natural cooling heat exchanger is a metal coil pipe with two through ends, and the metal coil pipe is a parallel flow heat exchanger.
Preferably, a first ball valve is arranged on the bypass pipeline, and a breather valve and a first automatic exhaust valve which are communicated with the inside of the water tank are arranged on the water tank.
Preferably, the water tank is provided with a liquid level display meter for detecting the level of cooling water in the water tank, and the water return pipe is further provided with a first pressure gauge and a second temperature gauge.
Preferably, the fluorine system circulation and dehumidification circulation unit comprises a compressor which contains chlorofluorocarbon serving as a refrigerant;
the refrigerant channel of the first heat exchanger is communicated with one inlet of the four-way valve through a seventh pipeline, the other inlet of the four-way valve is communicated with an oil component outlet through an eighth pipeline, a gas return port of the compressor is communicated with an air component outlet through a gas return pipe, an air component inlet is communicated with one outlet of the four-way valve through a ninth pipeline, a bypass pipeline is arranged on the ninth pipeline and is communicated with one end of the refrigerant channel of the dehumidifier heat exchanger, the other outlet of the four-way valve is communicated with one end of the refrigerant channel of the second heat exchanger through a tenth pipeline, the other end of the refrigerant channel of the second heat exchanger is communicated with an inlet of a second filter through a eleventh pipeline, an outlet of the second filter is communicated with an inlet of a first expansion valve through a twelfth pipeline, a bypass pipeline is arranged on the twelfth pipeline and is communicated with the other end of the refrigerant channel of the dehumidifier heat exchanger, an outlet of the first expansion valve is communicated with a first interface of the economizer through a thirteenth pipeline, a second interface of the economizer is communicated with an inlet of the refrigerant of the compressor through a fourteenth pipeline, and a third interface of the economizer is communicated with the other end of the refrigerant channel of the first heat exchanger through a fourteenth pipeline.
Preferably, a fourth thermometer and a third pressure gauge are arranged on the air return pipe, and a fifth thermometer and a fourth pressure gauge are arranged on the eighth pipeline.
Preferably, the side branch pipeline arranged on the pipeline nine is provided with a sixth thermometer.
Preferably, a second fan is arranged beside the dehumidifier heat exchanger.
Preferably, the liquid cooling plate is a hollow metal plate with two through ends.
The beneficial effects of the utility model reside in that, compared with the prior art, the utility model discloses temperature in the container that thermometer one shows energy storage battery system has reached the temperature range of settlement for a moment, just carry out natural cooling, when temperature in the container that thermometer one shows energy storage battery system has reached the temperature range of settlement two, just carry out fluorine system circulative cooling, when temperature in the container that thermometer one shows energy storage battery system is less than energy storage battery system's energy storage battery cluster normal operating temperature, just carry out fluorine system circulation and heat, when humidity in the container that shows energy storage battery system is higher than energy storage battery system's energy storage battery cluster normal operating humidity, just carry out fluorine system circulation dehumidification, liquid cooling system complete machine consumption can reduce the consumption, fluorine system circulation heats the consumption that has also reduced electric heating, fluorine system circulation dehumidification just can detach the comdenstion water.
Drawings
Fig. 1 is a schematic diagram of a liquid cooling apparatus according to the present invention;
fig. 2 is the internal schematic diagram of the medium-and-large-sized heat pump energy storage liquid cooling device suitable for high and low temperature environment of the present invention.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 2, a large-and-medium heat pump energy storage liquid cooling device suitable for high low temperature environment, include:
a first thermometer, a hygrometer and a liquid refrigerator are arranged in a container with an energy storage battery system, and a liquid cooling device is accommodated in the liquid refrigerator;
the outer wall of the liquid refrigerator is provided with a through type water return port 1 and a water supply port 2;
the water return port and the water supply port are respectively communicated with two ends of a liquid cooling plate laid on the outer wall of an energy storage battery cluster of the energy storage battery system through a first quick connector and a second quick connector;
the liquid cooling device comprises a water system circulating unit and a fluorine system circulating and dehumidifying circulating unit.
As shown in fig. 1, in a preferred but non-limiting embodiment of the present invention, the water system circulation unit includes a main circulation pump P01, and the water return port 1 is connected to the inlet of the main circulation pump P01 through a water return pipe; a bypass pipeline is also arranged on the water return pipe to be communicated with a water tank C21 containing cooling water; an outlet of the main circulating pump P01 is communicated with an inlet of a three-way valve K001 through a first pipeline, an outlet of the three-way valve K001 is communicated with one end of a natural cooling heat exchanger E12 through a second pipeline, a first fan G01 is arranged beside the natural cooling heat exchanger E12, the other end of the natural cooling heat exchanger E12 is communicated with an inlet of a third ball valve V001 through a third pipeline, an outlet of the third ball valve V001 is communicated with an inlet of a first filter Z01 through a fourth pipeline, and an outlet of the first filter Z01 is communicated with a water supply port 2 through a fifth pipeline; an outlet of the three-way valve K001 is communicated with one end of a waterway channel of the first heat exchanger E01 through a pipeline six, and a bypass pipeline is arranged on a pipeline four and is communicated with the other end of the waterway channel of the first heat exchanger E01.
In a preferred but non-limiting embodiment of the present invention, a third thermometer PT02 and a second pressure gauge TT02 are disposed on the fifth pipeline; an automatic exhaust valve II V305 is arranged on the pipeline II; and a bypass pipeline arranged on the second pipeline is provided with a second ball valve V411 and an automatic exhaust valve V304, and the second pipeline is provided with a thermometer seventh RS32.
In a preferred but non-limiting embodiment of the present invention, the natural cooling heat exchanger E12 is a metal coil with two through ends, and the metal coil is a parallel flow heat exchanger.
The utility model discloses in the preferred but not restrictive implementation mode, be equipped with first ball valve V401 on the bypass pipeline, be equipped with breather valve V303 and a self-bleeding valve V304 rather than inside intercommunication on the water tank C21.
The utility model discloses in the preferred but not restrictive embodiment, be equipped with liquid level display meter LI11 that detects the cooling water liquid level in water tank C21 on the water tank C21 still be equipped with pressure gauge TT01 and thermometer two PP01 on the wet return.
Specifically, a breather valve V303 communicated with the inside of the water tank C21 is arranged on the water tank C21 to play roles of buffering and pressure stabilization, the first automatic exhaust valve V304 can also achieve an effect of discharging redundant gas to the water tank C21, a liquid level display gauge LI11 for detecting the cooling water level in the water tank C21 is arranged on the water tank C21, a first pressure gauge TT01 and a first temperature gauge PP01 are further arranged on the water return pipe to display the cooling water level, the water pressure and the water temperature of the water return pipe in real time, a third temperature gauge PT02 and a second pressure gauge TT02 can respectively display the water temperature and the water pressure of a fifth pipeline in real time, a second automatic exhaust valve V305 can also achieve an effect of discharging redundant gas to a sixth pipeline, the redundant gas in the second pipeline can be discharged through the third automatic exhaust valve V304 by opening a second ball valve V411 arranged on the bypass pipeline, and the temperature of the cooling water in the second pipeline can be displayed in real time through a seventh thermometer TS 32.
When the temperature in the container of the energy storage battery system is displayed by the thermometer I and reaches a set temperature range I (the temperature range I is usually set between 30 ℃ and 45 ℃), natural cooling is executed, namely, the main circulating pump P01 is started and the three-way valve K001 is controlled to communicate the pipeline I with the pipeline II, the third ball valve K001 is opened, cooling water in the water tank C21 is pumped out from the main circulating pump P01 and sequentially passes through the three-way valve K001, the natural cooling heat exchanger E12, the third ball valve V001 and the filter Z01, then the cooling water enters the liquid cooling plate laid on the outer wall of the energy storage battery cluster of the energy storage battery system from the water supply port 2, and after the energy storage battery cluster of the energy storage battery system is naturally cooled by the liquid cooling plate, the cooling water returns to the water tank C21 of the liquid cooling device from the water return port 1, and natural cooling circulation is performed again by the main circulating pump P01. And the first fan G01 is also synchronously started to realize the heat exchange between the air and the cooling water in the natural cooling heat exchanger E12.
In a preferred but non-limiting embodiment of the present invention, the fluorine system circulation and dehumidification circulation unit comprises a compressor CPS01 having a chlorofluorocarbon as a refrigerant therein;
a refrigerant channel of a first heat exchanger E01 is communicated with one inlet of a four-way valve FV01 through a pipeline seven, the other inlet of the four-way valve FV01 is communicated with an outlet of an oil component C51 through a pipeline eight, a gas return port of the compressor CPS01 is communicated with an outlet of an air component C53 through a gas return pipe, an inlet of the air component C53 is communicated with one outlet of the four-way valve FV01 through a pipeline nine, a bypass pipeline is arranged on the pipeline nine and is communicated with one end of a refrigerant channel of a dehumidifier heat exchanger E02, the other outlet of the four-way valve FV01 is communicated with one end of a refrigerant channel of a second heat exchanger E11 through a pipeline ten, the other end of the refrigerant channel of the second heat exchanger E11 is communicated with an inlet of a filter second Z31 through a pipeline eleven, an outlet of the filter second Z31 is communicated with an inlet of a first expansion valve EXV01 through a pipeline twelve, a bypass pipeline twelve is communicated with the other end of the refrigerant channel of the heat exchanger E02, an outlet of the first expansion valve EXV01 is communicated with a first interface of the economizer E03 through a pipeline thirteen, a second interface of the dehumidifier CPS01 is communicated with an inlet of the compressor E02 through a pipeline fourteen, and is communicated with a second interface of the second expansion valve E02 of the dehumidifier CPS 01.
In the preferred but nonlimiting embodiment of the present invention, there are four thermometers TT31 and three pressure gauges PT32 on the muffler, and there are five thermometers TT32 and four pressure gauges PT33 on the eight pipes.
In a preferred but non-limiting embodiment of the present invention, the lateral branch pipe provided on the pipe nine is provided with a thermometer six TS31.
In the preferred but nonlimiting embodiment of the present invention, a second fan G07 is disposed beside the dehumidifier heat exchanger E02.
Specifically, the problem of oil return needs to be fully considered for the compressor CPS01, and as the requirement of oil return exists in the operation logic of the compressor CPS01, the refrigerating capacity is increased due to the frequency rise of the oil return, the water temperature of the liquid cooling system is affected, and the cooling effect of the battery cluster cannot be met, so that the oil content C51 is set. The four thermometer TT31 and the three pressure gauge PT32 can respectively display the temperature and the pressure of the refrigerant in the return air pipe in real time, and the six thermometer TS31 can display the temperature of the refrigerant in the side branch pipe arranged on the nine pipelines.
When the temperature in the container of the energy storage battery system reaches a set temperature range II as shown by the first thermometer, performing fluorine system circulating cooling, and simultaneously performing cooling water circulation and fluorine system circulation I, wherein the water circulation comprises the following steps:
start main circulating pump P01 and control three-way valve K001 and come pipeline one and six intercommunications of pipeline, take water tank C21's cooling water out from main circulating pump P01, pass through three-way valve K001 in proper order, first heat exchanger E01, the cooling water behind the rivers that first heat exchanger E01 of fluorine system circulation cooling flowed through behind the filter Z01 acquisition back, get into the liquid cooling board of laying on the energy storage battery of energy storage battery system outer wall from feed water inlet 2, after the energy storage battery of energy storage battery system crowd cools off through the liquid cooling board, get back to water tank C21 of liquid cooling device from return water mouth 1, carry out cooling cycle once more through main circulating pump P01 again.
The fluorine system cycle one comprises:
the four-way valve is controlled to communicate the eight pipeline with the ten pipeline, the seven pipeline is communicated with the nine pipeline, a high-temperature high-pressure refrigerant formed after being compressed by the compressor sequentially passes through the oil component C51 and the four-way valve FV01 from the compressor CPS01 and enters the second heat exchanger E11, the high-temperature high-pressure refrigerant is condensed by the second heat exchanger, an outgoing medium-temperature high-pressure liquid refrigerant sequentially passes through the second Z31, the first expansion valve EXV01 and the economizer E03 for throttling and pressure reduction to form a low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant sequentially passes through the four-way valve FV01 and the gas component C53 for evaporating and absorbing heat of flowing cooling water by the first heat exchanger E01 to form a low-temperature low-pressure gaseous refrigerant, the low-temperature low-pressure gaseous refrigerant sequentially passes through the four-way valve FV01 and the gas component C53 and then returns to the compressor through the gas return pipe for continuously compressing the refrigerant, and one cycle of the fluorine system is completed.
When the temperature in the container of the energy storage battery system is lower than the normal working temperature of an energy storage battery cluster of the energy storage battery system, the first thermometer performs fluorine system circulation heating, and simultaneously performs cooling water circulation and fluorine system circulation II, wherein the water circulation comprises the following steps:
starting a main circulating pump P01 and controlling a three-way valve K001 to communicate a first pipeline with a sixth pipeline, taking cooling water of a water tank C21 out of the main circulating pump P01, sequentially passing through the three-way valve K001, a first heat exchanger E01, and a filter Z01 to obtain heating water after water flows flowing through the first heat exchanger E01 are heated by a second circulating fluorine system, entering a liquid cooling plate laid on the outer wall of an energy storage battery cluster of the energy storage battery system from a water supply port 2, heating the energy storage battery cluster of the energy storage battery system through the liquid cooling plate, returning the water tank C21 of the liquid cooling device from a water return port 1, and performing heating circulation again through the main circulating pump P01.
The fluorine system cycle two comprises:
the four-way valve is controlled to communicate the pipeline eight with the pipeline seven, the pipeline ten with the pipeline nine, the high-temperature high-pressure refrigerant formed after being compressed by the compressor enters the first heat exchanger E01 from the CPS01 compressor through the oil component C51 and the four-way valve FV01 in sequence, after the high-temperature high-pressure refrigerant absorbs heat from cooling water of the first heat exchanger E01 and is condensed, the discharged medium-temperature high-pressure liquid refrigerant is mixed with part of gaseous refrigerant, the gaseous refrigerant sequentially passes through the second expansion valve EXV02 and the economizer E03 and returns to the compressor again, after secondary compression, the gaseous refrigerant participates in circulation of the fluorine system cycle two again, the liquid refrigerant is throttled and decompressed by the economizer E03, the low-temperature low-pressure liquid refrigerant is formed after being evaporated and absorbed heat by the second heat exchanger E11, the low-temperature low-pressure gaseous refrigerant is formed, the low-temperature low-pressure refrigerant sequentially passes through the four-way valve FV01 and the gas component C53 and then returns to the compressor through the gas return pipe, and is compressed continuously, and one cycle of the fluorine system cycle two is completed.
When the humidity in the container of the energy storage battery system is higher than the normal working humidity of the energy storage battery cluster of the energy storage battery system, the fluorine system is circularly dehumidified, namely, the four-way valve is controlled to communicate the pipeline eight with the pipeline ten, and the pipeline seven is communicated with the pipeline nine, a high-temperature high-pressure refrigerant formed after being compressed by the compressor sequentially passes through the oil component C51 and the four-way valve FV01 from the compressor CPS01 and enters the second heat exchanger E11, the high-temperature high-pressure liquid refrigerant is condensed by the second heat exchanger E11, the obtained medium-temperature high-pressure liquid refrigerant is throttled and decompressed by sequentially passing through the filter II Z31 and the first expansion valve EXV01 to form a low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant is evaporated and absorbed heat by the dehumidifier heat exchanger E02 to be dehumidified and processed to form a low-temperature low-pressure gaseous refrigerant, the low-temperature low-pressure gaseous refrigerant passes through the gas component C53 and then returns to the compressor through the gas return pipe to be continuously compressed, and a cycle of circularly dehumidified by the fluorine system is completed. And the second fan G07 is also synchronously started to realize the heat exchange of the dehumidifier heat exchanger E02.
In a preferred but non-limiting embodiment of the present invention, the liquid cooling plate is a hollow metal plate with two through ends.
The utility model discloses a theory of operation does:
when the temperature in the container of the energy storage battery system is displayed on the first thermometer, the temperature reaches a first set temperature range (the first temperature range is usually set between 30 ℃ and 45 ℃), natural cooling is carried out, namely, a main circulating pump P01 is started and a three-way valve K001 is controlled to communicate a first pipeline with a second pipeline, a third ball valve V001 is opened, cooling water in a water tank C21 is pumped out from the main circulating pump P01, the cooling water sequentially passes through the three-way valve K001, a natural cooling heat exchanger E12, the third ball valve V001 and a filter Z01, then the cooling water enters a liquid cooling plate laid on the outer wall of the energy storage battery cluster of the energy storage battery system from a water supply port 2, after the energy storage battery cluster of the energy storage battery system is naturally cooled through the liquid cooling plate, the cooling water returns to the water tank C21 of the liquid cooling device from a water return port 1, and natural cooling circulation is carried out again through the main circulating pump P01. And the first fan G01 is synchronously started to realize the heat exchange between the air and cooling water in the natural cooling heat exchanger E12.
When the temperature in the container of the energy storage battery system reaches a set temperature range II as shown by the first thermometer, performing fluorine system circulating cooling, and simultaneously performing cooling water circulation and fluorine system circulation I, wherein the water circulation comprises the following steps:
starting a main circulating pump P01 and controlling a three-way valve K001 to communicate a first pipeline with a sixth pipeline, taking cooling water of a water tank C21 out of the main circulating pump P01, sequentially passing through the three-way valve K001, a first heat exchanger E01, a filter Z01 to obtain cooling water after a back fluorine system circulates a water flow for cooling the first heat exchanger E01, entering a liquid cooling plate laid on the outer wall of an energy storage battery cluster of the energy storage battery system from a water supply port 2, cooling the energy storage battery cluster of the energy storage battery system through the liquid cooling plate, returning the water tank C21 of a liquid cooling device from a water return port 1, and cooling circulation is carried out again through the main circulating pump P01.
The fluorine system cycle one comprises:
the four-way valve is controlled to communicate the eight pipeline with the ten pipeline, the seven pipeline is communicated with the nine pipeline, a high-temperature high-pressure refrigerant formed after compression sequentially passes through the oil component C51 and the four-way valve FV01 from the compressor CPS01 and enters the second heat exchanger E11, the high-temperature high-pressure refrigerant is condensed by the second heat exchanger, an outgoing medium-temperature high-pressure liquid refrigerant sequentially passes through the second filter Z31, the first expansion valve EXV01 and the economizer E03 for throttling and pressure reduction to form a low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant passes through the first heat exchanger E01 for evaporating and absorbing heat of flowing cooling water to form a low-temperature low-pressure gaseous refrigerant, the low-temperature low-pressure gaseous refrigerant sequentially passes through the four-way valve FV01 and the gas component C53 and then returns to the compressor through the gas return pipe to continuously compress the refrigerant, and one cycle of the fluorine system cycle is completed.
When the temperature in the container of the energy storage battery system is lower than the normal working temperature of the energy storage battery cluster of the energy storage battery system, the first thermometer performs fluorine system circulation heating, and simultaneously performs cooling water circulation and fluorine system circulation II, wherein the water circulation comprises:
starting a main circulating pump P01 and controlling a three-way valve K001 to communicate a first pipeline with a sixth pipeline, taking cooling water of a water tank C21 out of the main circulating pump P01, sequentially passing through the three-way valve K001, a first heat exchanger E01 and a first filter Z01 to obtain heating water after water flows passing through the first heat exchanger E01 are heated by a second circulating fluorine system, entering a liquid cooling plate laid on the outer wall of an energy storage battery cluster of the energy storage battery system from a water supply port 2, after the energy storage battery cluster of the energy storage battery system is heated by the liquid cooling plate, returning to the water tank C21 of a liquid cooling device from a water return port 1, and then carrying out heating circulation again through the main circulating pump P01.
The fluorine system cycle two comprises:
the four-way valve is controlled to communicate the eight pipeline with the seven pipeline, the ten pipeline is communicated with the nine pipeline, a high-temperature and high-pressure refrigerant formed after compression sequentially enters the first heat exchanger E01 from the CPS01 compressor through the oil component C51 and the four-way valve FV01, after the condensation of cooling water absorbed by the first heat exchanger E01, a part of gaseous refrigerant is mixed with the discharged medium-temperature and high-pressure liquid refrigerant, the gaseous refrigerant sequentially returns to the compressor through the second expansion valve EXV02 and the economizer E03 again, after the secondary compression, the gaseous refrigerant participates in the circulation of the fluorine system for the second time, the liquid refrigerant sequentially passes through the economizer E03, the first expansion valve EXV01 and the filter Z31 for throttling and pressure reduction to form a low-temperature and low-pressure liquid refrigerant, the low-temperature and low-pressure liquid refrigerant sequentially passes through the second heat exchanger E11 for evaporation and heat absorption to form a low-temperature and low-pressure gaseous refrigerant, the low-temperature and gaseous refrigerant sequentially passes through the four-way valve FV01 and the gas component C53 and then returns to the compressor through the gas return pipe for continuous compression, and one cycle of the fluorine system for the second time is completed.
When the humidity in the container of the energy storage battery system is higher than the normal working humidity of the energy storage battery cluster of the energy storage battery system, the fluorine system is circularly dehumidified, namely, the four-way valve is controlled to communicate the pipeline eight with the pipeline ten, and the pipeline seven is communicated with the pipeline nine, a high-temperature high-pressure refrigerant formed after being compressed by the compressor sequentially passes through the oil component C51 and the four-way valve FV01 from the compressor CPS01 and enters the second heat exchanger E11, the high-temperature high-pressure liquid refrigerant is condensed by the second heat exchanger E11, the obtained medium-temperature high-pressure liquid refrigerant is throttled and decompressed by sequentially passing through the filter II Z31 and the first expansion valve EXV01 to form a low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant is evaporated and absorbed heat by the dehumidifier heat exchanger E02 to be dehumidified and processed to form a low-temperature low-pressure gaseous refrigerant, the low-temperature low-pressure gaseous refrigerant passes through the gas component C53 and then returns to the compressor through the gas return pipe to be continuously compressed, and a cycle of circularly dehumidified by the fluorine system is completed. And the second fan G07 is synchronously started to realize the heat exchange of the dehumidifier heat exchanger E02.
The beneficial effects of the utility model reside in that, compared with the prior art, the utility model discloses temperature in the container that thermometer one shows energy storage battery system has reached the temperature range of settlement for a moment, just carry out natural cooling, temperature in the container that thermometer one shows energy storage battery system has reached the temperature range of settlement for two times, just carry out fluorine system circulation cooling, temperature in the container that thermometer one shows energy storage battery system is less than energy storage battery system when the normal operating temperature of energy storage battery cluster, just carry out fluorine system circulation and heat, humidity in the container that shows energy storage battery system is higher than energy storage battery system's energy storage battery cluster when normal operating humidity, just carry out fluorine system circulation dehumidification, liquid cooling system complete machine consumption can reduce the consumption, fluorine system circulation heats the consumption that has also reduced electric heating, fluorine system circulation dehumidification just can detach the comdenstion water.
The applicant of the present invention has made detailed description and description of the embodiments of the present invention with reference to the drawings, but those skilled in the art should understand that the above embodiments are only the preferred embodiments of the present invention, and the detailed description is only for helping the reader to better understand the spirit of the present invention, and not for the limitation of the protection scope of the present invention, on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a medium and large-scale heat pump energy storage liquid cooling device suitable for high low temperature environment which characterized in that includes:
a first thermometer, a hygrometer and a liquid refrigerator are arranged in a container with an energy storage battery system, and a liquid cooling device is accommodated in the liquid refrigerator;
the outer wall of the liquid refrigerator is provided with a through type water return port and a through type water supply port;
the water return port and the water supply port are respectively communicated with two ends of a liquid cooling plate laid on the outer wall of an energy storage battery cluster of the energy storage battery system through a first quick connector and a second quick connector;
the liquid cooling device comprises a water system circulating unit and a fluorine system circulating and dehumidifying circulating unit.
2. The medium and large heat pump energy storage liquid cooling device suitable for high and low temperature environments as claimed in claim 1, wherein the water system circulating unit comprises a main circulating pump, and a water return port is communicated with an inlet of the main circulating pump through a water return pipe; a bypass pipeline is also arranged on the water return pipe to be communicated with a water tank containing cooling water; an outlet of the main circulating pump is communicated with an inlet of a three-way valve through a first pipeline, an outlet of the three-way valve is communicated with one end of a natural cooling heat exchanger through a second pipeline, a first fan is arranged beside the natural cooling heat exchanger, the other end of the natural cooling heat exchanger is communicated with an inlet of a third ball valve through a third pipeline, an outlet of the third ball valve is communicated with an inlet of a first filter through a fourth pipeline, and an outlet of the first filter is communicated with a water supply port through a fifth pipeline; and one outlet of the three-way valve is communicated with one end of the waterway channel of the first heat exchanger through a pipeline six, and a bypass pipeline is arranged on a pipeline four and is communicated with the other end of the waterway channel of the first heat exchanger.
3. The medium and large heat pump energy storage liquid cooling device suitable for high and low temperature environments as claimed in claim 2, wherein a third thermometer and a second manometer are arranged on the fifth pipeline; an automatic exhaust valve II is arranged on the pipeline VI; and a bypass pipeline arranged on the second pipeline is provided with a second ball valve and an automatic exhaust valve III, and the second pipeline is provided with a seventh thermometer.
4. The medium-large heat pump energy storage liquid cooling device suitable for high-low temperature environments as claimed in claim 2, wherein the natural cooling heat exchanger is a metal coil with two through ends, and the metal coil is a parallel flow heat exchanger.
5. The medium and large heat pump energy storage liquid cooling device suitable for high and low temperature environments as claimed in claim 2, wherein a first ball valve is arranged on the bypass pipeline, and a breather valve and a first automatic exhaust valve which are communicated with the inside of the water tank are arranged on the water tank.
6. The medium and large heat pump energy storage liquid cooling device suitable for high and low temperature environments as claimed in claim 2, wherein a liquid level display meter for detecting the liquid level of cooling water in the water tank is arranged on the water tank, and a first pressure gauge and a second temperature gauge are arranged on the water return pipe.
7. The medium-large heat pump energy storage liquid cooling device suitable for high-low temperature environments as claimed in claim 2, wherein the fluorine system circulation and dehumidification circulation unit comprises a compressor containing chlorofluorocarbon serving as a refrigerant;
the refrigerant channel of the first heat exchanger is communicated with one inlet of the four-way valve through a seventh pipeline, the other inlet of the four-way valve is communicated with an oil component outlet through an eighth pipeline, a return air port of the compressor is communicated with an air component outlet through an air return pipe, an inlet of the air component is communicated with one outlet of the four-way valve through a ninth pipeline, a bypass pipeline is arranged on the ninth pipeline and is communicated with one end of the refrigerant channel of the dehumidifier heat exchanger, the other outlet of the four-way valve is communicated with one end of the refrigerant channel of the second heat exchanger through a tenth pipeline, the other end of the refrigerant channel of the second heat exchanger is communicated with an inlet of a second filter through a eleventh pipeline, an outlet of the second filter is communicated with an inlet of a first expansion valve through a twelfth pipeline, a bypass pipeline is arranged on the twelfth pipeline and is communicated with the other end of the refrigerant channel of the dehumidifier heat exchanger, an outlet of the first expansion valve is communicated with a first interface of the economizer through a thirteenth pipeline, a second interface of the economizer is communicated with an inlet of the compressor through a fourteenth pipeline, and a third interface of the economizer is communicated with the other end of the refrigerant channel of the first heat exchanger through a fourteenth pipeline provided with a second expansion valve.
8. The medium-and-large-sized heat pump energy storage liquid cooling device suitable for high and low temperature environments as claimed in claim 7, wherein a fourth thermometer and a third pressure gauge are arranged on the gas return pipe, and a fifth thermometer and a fourth pressure gauge are arranged on the eighth pipeline.
9. The medium and large heat pump energy storage liquid cooling device suitable for high and low temperature environments as claimed in claim 7, wherein a sixth thermometer is arranged on a side branch pipeline arranged on the ninth pipeline; and a second fan is arranged beside the dehumidifier heat exchanger.
10. The medium-large heat pump energy storage liquid cooling device suitable for high and low temperature environments of claim 1, wherein the liquid cooling plate is a hollow metal plate with two through ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223173953.7U CN218867214U (en) | 2022-11-29 | 2022-11-29 | Medium-and-large-sized heat pump energy storage liquid cooling device suitable for high-and-low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223173953.7U CN218867214U (en) | 2022-11-29 | 2022-11-29 | Medium-and-large-sized heat pump energy storage liquid cooling device suitable for high-and-low temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218867214U true CN218867214U (en) | 2023-04-14 |
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ID=87376087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223173953.7U Active CN218867214U (en) | 2022-11-29 | 2022-11-29 | Medium-and-large-sized heat pump energy storage liquid cooling device suitable for high-and-low temperature environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218867214U (en) |
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2022
- 2022-11-29 CN CN202223173953.7U patent/CN218867214U/en active Active
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