CN218005008U - Cooling water end device for liquid cooling energy storage system - Google Patents
Cooling water end device for liquid cooling energy storage system Download PDFInfo
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- CN218005008U CN218005008U CN202221159693.5U CN202221159693U CN218005008U CN 218005008 U CN218005008 U CN 218005008U CN 202221159693 U CN202221159693 U CN 202221159693U CN 218005008 U CN218005008 U CN 218005008U
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Abstract
The invention discloses a cooling water end device for a liquid cooling energy storage system, which relates to the technical field of energy storage battery cooling and comprises a heat exchanger; the primary water pipeline system comprises a primary water pipeline; the secondary water pipeline system comprises a secondary water pipeline and a three-way regulating valve, wherein the water inlet end of the secondary water pipeline is connected with the first pipe orifice of the three-way regulating valve, the second pipe orifice of the three-way regulating valve is communicated with the second medium inlet of the heat exchanger, the third pipe orifice of the three-way regulating valve is communicated with the second medium outlet of the heat exchanger, and the second medium outlet of the heat exchanger is communicated with the water outlet end of the secondary water pipeline. According to the invention, the heat exchange is carried out between the primary cooling water and the secondary cooling water in the heat exchanger, so that the cooling effect of the cooling system on the energy storage battery is ensured, and the capacity of dynamically adjusting the working mode of the cooling system according to the requirement is realized.
Description
Technical Field
The invention relates to the technical field of energy storage battery cooling, in particular to a cooling water end device for a liquid cooling energy storage system.
Background
The energy storage system realizes peak clipping and valley filling and improves the quality of electric energy through electric energy collection. The battery energy storage system is an energy storage technology which has a good application prospect and is developed rapidly at present, and occupies a mainstream position in an electrochemical energy storage market.
At present, the capacity of a large energy storage system is basically hundreds of kilowatt hours or even thousands of kilowatt hours, and the whole system is in the form of a large box body, a cabinet or a container. In order to ensure that the high-density energy storage battery system is always within a safe temperature, the battery cooling system is particularly important. At present, a liquid cooling system for cooling an energy storage system is difficult to ensure the cooling effect of the energy storage battery for a long time, and the cold quantity of the liquid cooling system can not be adjusted according to the cold quantity required by the energy storage battery.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a cooling water end device for a liquid cooling energy storage system.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a cooling water end device for a liquid-cooled energy storage system comprises,
a heat exchanger;
the primary water pipeline system comprises a primary water pipeline, wherein the water inlet end of the primary water pipeline is communicated with the first medium inlet of the heat exchanger, and the first medium outlet of the heat exchanger is communicated with the water outlet end of the primary water pipeline; and the number of the first and second groups,
the secondary water pipeline system comprises a secondary water pipeline and a three-way regulating valve, wherein the water inlet end of the secondary water pipeline is connected with the first pipe orifice of the three-way regulating valve, the second pipe orifice of the three-way regulating valve is communicated with the second medium inlet of the heat exchanger, the third pipe orifice of the three-way regulating valve is communicated with the second medium outlet of the heat exchanger, the second medium outlet of the heat exchanger is communicated with the water outlet end of the secondary water pipeline, the water outlet end of the secondary water pipeline is communicated with the cooling water inlet end of the energy storage system, and the cooling water outlet end of the energy storage system is communicated with the water inlet end of the secondary water pipeline,
and an adjusting mechanism for adjusting the flow of the second pipe orifice and the third pipe orifice is arranged in the three-way adjusting valve.
As a preferable aspect of the cooling water end device for a liquid-cooled energy storage system according to the present invention, wherein: the secondary water pipeline system also comprises a water pump connected in series in the secondary water pipeline.
As a preferable scheme of the cooling water end device for the liquid-cooled energy storage system of the present invention, wherein: the secondary water pipeline system further comprises a first filter connected in series in the secondary water pipeline, and the first filter is installed between the water inlet end of the secondary water pipeline and the water pump.
As a preferable aspect of the cooling water end device for a liquid-cooled energy storage system according to the present invention, wherein: the secondary water pipeline system also comprises a water quality purification device connected with the secondary water pipeline in parallel, and a water inlet and a water outlet of the water quality purification device are connected with the secondary water pipeline through bypass pipes.
As a preferable aspect of the cooling water end device for a liquid-cooled energy storage system according to the present invention, wherein: the water quality purification device comprises an ion exchanger.
As a preferable aspect of the cooling water end device for a liquid-cooled energy storage system according to the present invention, wherein: the secondary water pipeline system further comprises a water supplementing assembly, the water supplementing assembly comprises a water supplementing water tank, a water supplementing pipe communicated with the water supplementing water tank and a water supplementing water pump communicated with the water supplementing pipe, and the water supplementing pipe is communicated with the secondary water pipe and the water quality purifying device.
As a preferable scheme of the cooling water end device for the liquid-cooled energy storage system of the present invention, wherein: the water replenishing assembly further comprises a water replenishing electromagnetic valve arranged on the water replenishing pipe.
As a preferable aspect of the cooling water end device for a liquid-cooled energy storage system according to the present invention, wherein: the water replenishing assembly further comprises a second filter connected with the water replenishing pipe in series.
As a preferable aspect of the cooling water end device for a liquid-cooled energy storage system according to the present invention, wherein: the secondary water pipeline system also comprises a pressure stabilizing tank connected with the secondary water pipeline in parallel.
As a preferable scheme of the cooling water end device for the liquid-cooled energy storage system of the present invention, wherein: still include the centralized drain pipe, primary water pipeline with secondary water pipeline all with the centralized drain pipe intercommunication, be provided with the drain valve on the centralized drain pipe.
The invention has the beneficial effects that:
(1) According to the invention, the heat exchange is carried out between the primary cooling water and the secondary cooling water in the heat exchanger, so that the cooling effect of the cooling system on the energy storage battery is ensured, the flow of the secondary cooling water entering the heat exchanger and carrying out the heat exchange with the primary cooling water can be adjusted through the three-way adjusting valve, and further, the dynamic matching of the cold quantity carried out by the secondary cooling water through the heat exchanger and the cold quantity required by the energy storage system is ensured, so that the tail end device has the capability of dynamically adjusting the self working mode according to the requirement, and the energy consumption of the equipment is also reduced.
(2) The secondary water pipeline system is also provided with a water quality purification device, so that the water quality is greatly purified through the ion exchange process, and the electrical conductivity of the secondary cooling water is ensured to be at a lower level.
(3) According to the secondary water supply system, the water replenishing component is further arranged in the secondary water pipeline system and can be used for replenishing secondary cooling water in the secondary water pipeline, the water replenishing electromagnetic valve and the second filter are arranged in the water replenishing component, the water replenishing safety is guaranteed through the water replenishing electromagnetic valve, the secondary cooling water cannot flow back to a water replenishing direction due to the water pressure of the secondary water pipeline when the equipment is replenished, the second filter can be used for filtering the replenished secondary cooling water, the water replenishing pump is protected, and the water quality of the secondary cooling water can be guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a cooling water terminal device for a liquid-cooled energy storage system according to the present invention;
FIG. 2 is a rear view of FIG. 1;
wherein: 1. a heat exchanger; 2. a primary water conduit; 3. a secondary water pipeline; 4. a three-way regulating valve; 5. a water pump; 6. a first filter; 7. a water quality purification device; 8. a water replenishing tank; 9. a water replenishing pipe; 10. a water replenishing pump; 11. a water replenishing electromagnetic valve; 12. a surge tank; 13. and (4) a centralized drainage pipe.
Detailed Description
In order that the manner in which the present invention is attained and can be more readily understood, a more particular description of the invention briefly summarized above may be had by reference to the embodiments thereof which are illustrated in the appended drawings.
Fig. 1 is a schematic structural diagram of a cooling water end device for a liquid-cooled energy storage system according to an embodiment of the present disclosure. The end device comprises a heat exchanger 1, a primary water pipeline system and a secondary water pipeline system. The primary pipeline system is connected with a water chilling unit outside the end device. And the secondary water pipeline system is connected with a cooling system in the energy storage system. Primary cooling water in the primary water pipeline system and secondary cooling water in the secondary water pipeline system exchange heat through the heat exchanger 1, so that the secondary cooling water returns to a cooling system in the energy storage system after being cooled, and the cooling effect on the energy storage system is guaranteed.
Specifically, the primary water pipeline system comprises a primary water pipeline 2, and a water inlet of the primary water pipeline 2 is communicated with a water supply end of a water chilling unit outside the end device. And then the water inlet end of the primary water pipeline 2 is communicated with the first medium inlet of the heat exchanger 1. And a first medium outlet of the heat exchanger 1 is communicated with a water outlet end of the primary water pipeline 2. The water outlet of the primary water pipeline 2 is communicated with the water return end of the water chilling unit. And a water chilling unit outside the terminal device conveys primary cooling water to the primary water pipeline 2, the primary cooling water is conveyed into the heat exchanger 1 through the primary water pipeline 2, and the primary cooling water returns to the water chilling assembly through the primary water pipeline 2 after heat exchange is carried out in the heat exchanger 1.
The secondary water pipeline system comprises a secondary water pipeline 3, a three-way regulating valve 4, a water pump 5, a first filter 6, a quality purifying device, a water supplementing assembly and a pressure stabilizing tank 12. Wherein, the water inlet of the secondary water pipeline 3 is communicated with the cooling water outlet of the cooling system in the energy storage system. Then the water inlet end of the secondary water pipeline 3 is communicated with the water pump 5 after passing through the first filter 6, and the water outlet end of the water pump 5 is communicated with the first pipe orifice of the three-way regulating valve 4. And a second pipe orifice of the three-way regulating valve 4 is communicated with a second medium inlet of the heat exchanger 1, and a third pipe orifice of the three-way regulating valve 4 is communicated with a second medium outlet of the heat exchanger 1. And a second medium outlet of the heat exchanger 1 is communicated with a water outlet end of the secondary water pipeline 3. The water outlet of the secondary water pipeline 3 is communicated with the cooling water inlet of the cooling system in the energy storage system.
After the secondary cooling water of the cooling system in the energy storage system cools the energy storage battery, the secondary cooling water enters the secondary water pipeline 3 through the water inlet of the secondary water pipeline 3 and then enters the first filter 6. The first filter 6 can filter out larger particle impurities in the secondary cooling water which may influence the safe operation of the water pump 5, and ensure the normal operation of the water pump 5. The secondary cooling water filtered by the first filter 6 passes through the water pump 5 and then enters the three-way regulating valve 4. It can be understood that the water pump 5 provides power to the secondary cooling water in the entire secondary water pipe 3 so that the secondary cooling water can flow along the secondary water pipe 3. After the secondary cooling water enters the three-way regulating valve 4, part of the secondary cooling water enters the second medium inlet of the heat exchanger 1 through the second pipe orifice and then enters the heat exchanger 1 to exchange heat with the primary cooling water in the heat exchanger 1, so that the secondary cooling water is cooled, then enters the water outlet end of the secondary water pipeline 3 through the second medium outlet, and other secondary cooling water directly enters the second medium outlet of the heat exchanger 1 through the third pipe orifice and then enters the water outlet end of the secondary water pipeline 3 together with the secondary cooling water after heat exchange. And finally, the secondary cooling water returns to a cooling system of the energy storage system through a water outlet of the secondary water pipeline 3, and then the energy storage battery is cooled.
In the present embodiment, the heat exchanger 1 is a plate heat exchanger 1.
It can be understood that, be used for adjusting the adjustment mechanism of second mouth of pipe and third mouth of pipe flow in three way control valve 4, this adjustment mechanism generally is straight stroke electronic type electric actuator, the motion of this straight stroke electronic type electric actuator of controller accessible control, adjust second mouth of pipe and third mouth of pipe flow, thereby adjust the flow that gets into the secondary cooling water that carries out the heat exchange with primary cooling water in heat exchanger 1, and then guarantee that the cold volume that secondary cooling water took out through heat exchanger 1 matches with the required cold volume developments of energy storage system, make end device possess according to the ability of demand dynamic adjustment self mode, the energy consumption of equipment has also been reduced.
The water quality purification device 7 is connected with the secondary water pipeline 3 in parallel. Specifically, the water quality purification device 7 is provided with a water inlet and a water outlet, and the water inlet and the water outlet are communicated with the secondary water pipeline 3 through a bypass pipe. When the secondary cooling water in the secondary water pipeline 3 flows, part of the secondary cooling water can enter the water quality purification device 7 through the bypass pipe to realize the purification of water quality and then return to the secondary water pipeline 3, so that the water quality of the secondary cooling water for cooling the energy storage battery can still meet the requirement after the secondary cooling water is used for a long time.
In this embodiment, the water purification apparatus 7 employs an ion exchanger. The water quality is purified to a great extent through the ion exchange process, and the conductivity of the secondary cooling water is ensured to be at a lower level. The resin in the ion exchanger is non-renewable resin, which can not be regenerated after failure, but the space of the water quality purification device 7 in the end device is small enough, and the whole volume of the cooling water end device is reduced.
The water replenishing assembly comprises a water replenishing water tank 8, a water replenishing pipe 9, a water replenishing pump 10, a water replenishing electromagnetic valve 11 and a second filter. One end of the water replenishing pipe 9 is communicated with the water replenishing water tank 8, and the other end of the water replenishing pipe is communicated with the water quality purifying device 7 after passing through the water replenishing water pump 10. The water replenishing pump 10 can convey the secondary cooling water in the water replenishing tank to the water quality purifying device 7 and replenish the secondary cooling water to the secondary water pipeline 3 through the water quality purifying device 7. The water replenishing electromagnetic valve 11 is installed on the water replenishing pipe 9, the water replenishing safety is guaranteed through the water replenishing electromagnetic valve 11, and secondary cooling water cannot flow back to the water replenishing direction due to the water pressure of the secondary water pipeline 3 when water is replenished through the equipment. The second filter is connected with the water replenishing pipe 9 in series and is positioned on the front side of the water replenishing water pump 10, so that the supplemented secondary cooling water can be filtered, the water replenishing water pump 10 is protected, and the quality of the secondary cooling water can be ensured.
In addition, the water replenishing water tank 8 is provided with a water replenishing port, so that water source supply during water replenishing is guaranteed, convenience is provided for a small amount of water replenishing, frequent manual water replenishing due to pipeline water pressure reduction is avoided in the running process of the secondary water system, and convenience is provided for stable running of the secondary water system.
The surge tank 12 is connected in parallel with the secondary water pipe 3. The pressure stabilizing tank 12 can stabilize the pressure of the secondary water pipeline system, ensure stable water pressure change in the secondary water pipeline system, compensate water pressure change, ensure that equipment cannot frequently replenish water and provide the most basic guarantee for safe operation of the system.
In addition, the cooling water terminal device further includes a collective drain pipe 13, and the primary water pipe 2 and the secondary water pipe 3 are both communicated with the collective drain pipe 13. When the terminal device is repaired or maintained, the water in the device can be completely drained through the centralized drainage pipe 13. A drain valve is installed in the collective drain pipe 13.
From this, the technical scheme of this application carries out the heat exchange through primary cooling water and secondary cooling water in heat exchanger 1, guaranteed cooling system to energy storage battery's cooling effect, and the flow of the secondary cooling water that carries out the heat exchange with primary cooling water in the adjustable entering heat exchanger 1 of tee bend governing valve 4, and then guarantee that the cold volume that secondary cooling water was taken out through heat exchanger 1 matches with the required cold volume developments of energy storage system, make end device possess according to the ability of demand dynamic adjustment self mode, the energy consumption of equipment has also been reduced.
In addition to the above embodiments, the present invention may have other embodiments; all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a cooling water end device for liquid cooling energy storage system which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a heat exchanger (1);
the primary water pipeline system comprises a primary water pipeline (2), wherein the water inlet end of the primary water pipeline (2) is communicated with a first medium inlet of the heat exchanger (1), and a first medium outlet of the heat exchanger (1) is communicated with the water outlet end of the primary water pipeline (2); and (c) a second step of,
the secondary water pipeline system comprises a secondary water pipeline (3) and a three-way regulating valve (4), wherein the water inlet end of the secondary water pipeline (3) is connected with a first pipe orifice of the three-way regulating valve (4), a second pipe orifice of the three-way regulating valve (4) is communicated with a second medium inlet of the heat exchanger (1), a third pipe orifice of the three-way regulating valve (4) is communicated with a second medium outlet of the heat exchanger (1), a second medium outlet of the heat exchanger (1) is communicated with the water outlet end of the secondary water pipeline (3), the water outlet end of the secondary water pipeline (3) is communicated with the cooling water inlet end of an energy storage system, the cooling water outlet end of the energy storage system is communicated with the water inlet end of the secondary water pipeline (3),
and an adjusting mechanism for adjusting the flow of the second pipe orifice and the third pipe orifice is arranged in the three-way adjusting valve (4).
2. The chilled water end unit for a liquid-cooled energy storage system of claim 1, wherein: the secondary water pipeline system also comprises a water pump (5) which is connected in series in the secondary water pipeline (3).
3. The chilled water end unit for a liquid-cooled energy storage system of claim 2, wherein: the secondary water pipeline system further comprises a first filter (6) connected in series in the secondary water pipeline (3), and the first filter (6) is installed between the water inlet end of the secondary water pipeline (3) and the water pump (5).
4. The chilled water end unit for a liquid-cooled energy storage system of claim 1, wherein: the secondary water pipeline system also comprises a water quality purification device (7) connected with the secondary water pipeline (3) in parallel, and a water inlet and a water outlet of the water quality purification device (7) are connected with the secondary water pipeline (3) through bypass pipes.
5. The chilled water end unit for a liquid-cooled energy storage system of claim 4, wherein: the water quality purification device (7) comprises an ion exchanger.
6. The chilled water end unit for a liquid-cooled energy storage system of claim 4, wherein: the secondary water pipeline system further comprises a water supplementing assembly, the water supplementing assembly comprises a water supplementing water tank (8), a water supplementing pipe (9) communicated with the water supplementing water tank (8) and a water supplementing water pump (10) communicated with the water supplementing pipe (9), and the water supplementing pipe (9) is communicated with the secondary water pipe and the water quality purifying device (7).
7. The chilled water end unit for a liquid-cooled energy storage system of claim 6, wherein: the water replenishing assembly further comprises a water replenishing electromagnetic valve (11) installed on the water replenishing pipe (9).
8. The chilled water end unit for a liquid-cooled energy storage system of claim 6, wherein: the water replenishing assembly further comprises a second filter connected with the water replenishing pipe (9) in series.
9. The chilled water end unit for a liquid-cooled energy storage system of claim 1, wherein: the secondary water pipeline system also comprises a pressure stabilizing tank (12) which is connected with the secondary water pipeline (3) in parallel.
10. The chilled water end unit for a liquid-cooled energy storage system of claim 1, wherein: still include centralized drain pipe (13), primary water pipeline (2) with secondary water pipeline (3) all with centralized drain pipe (13) intercommunication, be provided with the drain valve on centralized drain pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221159693.5U CN218005008U (en) | 2022-05-16 | 2022-05-16 | Cooling water end device for liquid cooling energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221159693.5U CN218005008U (en) | 2022-05-16 | 2022-05-16 | Cooling water end device for liquid cooling energy storage system |
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| CN218005008U true CN218005008U (en) | 2022-12-09 |
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| CN202221159693.5U Active CN218005008U (en) | 2022-05-16 | 2022-05-16 | Cooling water end device for liquid cooling energy storage system |
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| CN (1) | CN218005008U (en) |
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