CN215680781U - Charging cooling and heat supply system and battery replacement station - Google Patents
Charging cooling and heat supply system and battery replacement station Download PDFInfo
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- CN215680781U CN215680781U CN202121752819.5U CN202121752819U CN215680781U CN 215680781 U CN215680781 U CN 215680781U CN 202121752819 U CN202121752819 U CN 202121752819U CN 215680781 U CN215680781 U CN 215680781U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a charging cooling and heating system and a power exchanging station, comprising: the charging station is used for placing and charging a battery, and is provided with a medium connector which is used for being communicated with a heat exchange pipeline arranged on the battery so as to allow a heat exchange medium to circulate; the control valve is used for controlling the flow of the heat exchange medium flowing through the medium connector; the temperature detection device is used for detecting the cell temperature of the battery; the control device, the control valve and the temperature detection device are in communication connection with the control device, and the control device controls the opening of the control valve according to the temperature of the battery cell so as to control the flow of the heat exchange medium flowing through the medium connector. So set up, adopt heat transfer medium cooling, it is little to be influenced by ambient temperature. In the battery charging process, the temperature detection device is used for detecting the cell temperature of the battery, and the opening degree of the control valve is adjusted according to the cell temperature of the battery, so that the flow of the heat exchange medium is accurately controlled according to different temperatures, the cooling effect is ensured, and the energy consumption of the system is reduced.
Description
Technical Field
The utility model relates to the technical field of battery replacement stations, in particular to a charging cooling and heating system and a battery replacement station.
Background
With the continuous popularization of new energy technology, how to improve the endurance of the battery becomes an important factor for the development of the new energy technology. And trade the power station as battery energy supply station, can effectively solve battery continuation of the journey problem. Therefore, the battery replacement station needs to charge a large number of batteries. The battery emits a large amount of heat when charged, which affects the charging efficiency and the service life of the battery.
At present, air cooling and water cooling are adopted for heat dissipation of batteries in a battery replacement station. However, air cooling is greatly affected by the ambient temperature, and particularly in summer, the external ambient temperature is high, and the battery cannot be effectively cooled by adopting a fan for heat dissipation. In the existing water-cooling, the switching value of a valve body is controlled according to the pressure difference between a water supply pressure balance pipe and a water return pressure balance pipe, so that the flow of water flowing through a battery box is controlled. But the control precision is poor, the flow of water cannot be accurately controlled, and the heat dissipation effect of the battery is not ideal.
Therefore, how to solve the problems that the air cooling is greatly influenced by the ambient temperature, the water cooling control precision is poor, and the medium flow cannot be accurately controlled in the prior art becomes an important technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a charging cooling and heating system and a power exchanging station, which are used for solving the problems in the prior art.
The present invention provides a charging cooling and heating system, comprising:
the charging station is used for placing a battery and charging the battery, and a medium connector is arranged on the charging station and is used for being communicated with a heat exchange pipeline arranged on the battery so as to allow a heat exchange medium to circulate;
the control valve is used for controlling the flow of the heat exchange medium flowing through the medium connector;
the temperature detection device is used for detecting the cell temperature of the battery;
the control device, the control valve and the temperature detection device are both in communication connection with the control device, and the control device controls the opening of the control valve according to the cell temperature so as to control the flow of the heat exchange medium flowing through the medium connector.
The charging cooling and heating system further comprises a cooling device, wherein the cooling device is used for cooling the heat exchange medium flowing out of the medium connector, an inlet of the cooling device is communicated with an outlet of the medium connector, and an outlet of the cooling device is communicated with an inlet of the medium connector.
The charge cooling and heating system according to the present invention further includes:
and the heat supply device is used for heating the heat exchange medium flowing out of the medium connector, an inlet of the heat supply device is communicated with an outlet of the medium connector, and an outlet of the heat supply device is communicated with an inlet of the medium connector.
A switching device selectively intercepting an inlet of the medium connector from an outlet of the cooling device or from an outlet of the heating device to switch between the cooling device and the heating device.
According to the charging cooling and heating system, the first end of the liquid return pipeline is communicated with the inlet of the cooling device and the inlet of the heating device respectively, and the second end of the liquid return pipeline is communicated with the outlet of the medium connector;
and the first end of the liquid supply pipeline is communicated with the conversion device, and the second end of the liquid supply pipeline is communicated with the inlet of the medium connector.
According to the charge cooling and heating system of the present invention, the number of the charge stations is at least two, and the liquid supply line includes:
a liquid supply main pipe, the first end of which is communicated with the conversion device;
and the liquid supply branch pipes correspond to the charging stations one by one, one end of each liquid supply branch pipe is communicated with the second end of the liquid supply main pipe, and the other end of each liquid supply branch pipe is communicated with the inlet of the medium connector.
According to the charge cooling and heating system of the present invention, the liquid return line includes:
the first end of the liquid return main pipe is respectively communicated with the inlet of the cooling device and the inlet of the heating device;
and the liquid return branch pipes correspond to the charging stations one by one, one end of each liquid return branch pipe is communicated with the second end of the liquid return main pipe, and the other end of each liquid return branch pipe is communicated with the outlet of the medium connector.
According to the charging cooling and heating system, the control valves are arranged on the liquid supply branch pipe or the liquid return branch pipe, and the temperature detection devices and the control valves are in one-to-one correspondence with the charging stations respectively.
The charging cooling and heating system further comprises a circulating water pump for providing power for the circulation of the heat exchange medium, and the circulating water pump is arranged on the liquid supply main pipe or the liquid return main pipe.
According to the charging cooling and heating system, the charging station comprises a battery support for placing the battery, and the medium connector is arranged on the battery support.
The utility model also provides a battery replacement station, which comprises a charging cooling and heating system for cooling or heating the battery on the charging station, wherein the charging cooling and heating system is set as any one of the charging cooling and heating systems.
The utility model provides a charging cooling and heating system, comprising: the charging station is used for placing and charging a battery, and is provided with a medium connector which is used for being communicated with a heat exchange pipeline arranged on the battery so as to allow a heat exchange medium to circulate; the control valve is used for controlling the flow of the heat exchange medium flowing through the medium connector; the temperature detection device is used for detecting the cell temperature of the battery; the control device, the control valve and the temperature detection device are in communication connection with the control device, and the control device controls the opening of the control valve according to the temperature of the battery cell so as to control the flow of the heat exchange medium flowing through the medium connector. So set up, adopt heat transfer medium cooling, it is little to be influenced by ambient temperature. In the battery charging process, the temperature detection device is used for detecting the cell temperature of the battery, and the opening degree of the control valve is adjusted according to the cell temperature of the battery, so that the flow of the heat exchange medium is accurately controlled according to different temperatures, the cooling effect is ensured, and the energy consumption of the system is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 creative efforts.
FIG. 1 is a schematic diagram of a charging cooling and heating system according to the present invention;
reference numerals:
1: a battery bottom support; 2: a media connector; 3: a heat exchange medium interface;
4: a control valve; 5: a conversion device; 6: an evaporator;
7: a compressor; 8: a condenser; 9: a filter;
10: an expansion valve; 11: heating the water tank; 12: a cooling water tower;
13: a cooling water pump; 14: a water replenishing pipe; 15: a water circulating pump;
16: a liquid supply main pipe; 17: a branch liquid supply pipe; 18: a liquid return main pipe;
19: and (4) returning the liquid to the branch pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The charge cooling and heating system of the present invention is described below with reference to fig. 1.
As shown in fig. 1, an embodiment of the present invention provides a charging cooling and heating system, which includes a charging station, a control valve, a temperature detection device, and a control device. Specifically, the charging station is used for placing and charging the battery. The charging station is also provided with a medium connector 2, and the medium connector 2 is used for being communicated with a heat exchange pipeline arranged on the battery so as to supply a heat exchange medium to circulate and exchange heat with the battery. As shown in fig. 1, a heat exchange medium port 3 is provided on the medium connector 2 so as to be connected to a liquid pipe. Generally, water is commonly used as a heat exchange medium to exchange heat with the batteries at the charging station.
The control valve 4 may be a solenoid valve for controlling the flow rate of water flowing through the media connector 2. The temperature detection device can be a temperature sensor and is used for detecting the cell temperature of the battery. The control valve 4 and the temperature detection device are both in communication connection with a control device, and the control device controls the opening of the control valve 4 according to the cell temperature of the battery so as to control the flow rate of water flowing through the medium connector 2. The specific connection structure, electrical connection relationship and control logic relationship among the solenoid valve, the temperature sensor and the control device are the existing mature technologies, and therefore are not described herein again.
So set up, adopt liquid cooling, it is little influenced by ambient temperature. In the battery charging process, the temperature detection device is used for detecting the core temperature of the battery, and the opening degree of the control valve 4 is adjusted according to the core temperature of the battery, so that the flow of water is accurately controlled according to different core temperatures, the purpose of effectively cooling the battery is achieved, the cooling effect is ensured, and the energy consumption of equipment is reduced.
In the process of cooling the battery, the opening degree of the control valve 4 is in positive correlation with the cell temperature of the battery, that is, the higher the cell temperature of the battery is, the larger the opening degree of the control valve 4 is, the larger the flow rate of the cooling water is, so as to cool the battery more quickly. For example, in practical applications, when the temperature detection device detects that the cell temperature of the battery is greater than 50 ℃, the control device controls the opening of the control valve 4 to be 100%. When the temperature detection device detects that the cell temperature of the battery is less than or equal to 50 ℃ and greater than 45 ℃, the control device controls the opening of the control valve 4 to be 75%. When the temperature detection device detects that the battery core temperature of the battery is less than or equal to 45 ℃ and greater than 43 ℃, the control device controls the opening of the control valve 4 to be 50%. When the temperature detection device detects that the cell temperature of the battery is less than or equal to 43 ℃, the control device controls the opening of the control valve 4 to be 25%. Therefore, the cooling water flow is regulated according to different cell temperatures, so that the flow control accuracy is improved, the power consumption of a cooling system is reduced, and the problems that the temperature of a battery cell is high, the cooling water flow is small, the battery cannot be effectively cooled or the temperature of the battery cell is low, the cooling water flow is large and the energy consumption of the system is increased are solved. The preset temperature value of the battery electric core and the switching value of the control valve 4 can be determined according to actual design requirements.
Since the cooling water exchanges heat with the battery, the temperature of the water becomes high. Therefore, in the embodiment of the present invention, the charge cooling and heating system further includes a cooling device for cooling the cooling water flowing out of the medium connector 2. The inlet of the cooling device is communicated with the outlet of the medium connector 2, and the outlet of the cooling device is communicated with the inlet of the medium connector 2, so that a water-cooling circulation loop is formed, and cooling water is continuously supplied to the charging station to cool the battery.
In winter, the ambient temperature is low, which is not beneficial to charging the battery, and the charging efficiency is low. Therefore, in the embodiment of the present invention, the charge cooling and heating system further includes a heating device for heating the water flowing out of the medium connector 2. The entry of heating device is linked together with the export of media connector 2, and heating device's export is linked together with the entry of media connector 2 to form hot water circulation circuit, make the water after the heating constantly get into the station of charging, heat the battery, rise electric core temperature fast, with the charge efficiency who improves the battery, prolong the life of battery.
During the heating process of the battery, the opening degree of the control valve 4 is inversely related to the cell temperature of the battery, i.e. the lower the cell temperature of the battery, the larger the opening degree of the control valve 4 is, the larger the flow rate of the hot water is, so as to heat the battery more quickly. For example, in practical applications, when the temperature detection device detects that the cell temperature of the battery is less than or equal to 10 ℃ and greater than 5 ℃, the control device controls the opening of the control valve 4 to be 80%. When the temperature detection device detects that the cell temperature of the battery is less than or equal to 5 ℃, the control device controls the opening of the control valve 4 to be 100%. Therefore, in the process of heating the battery, the opening of the control valve 4 can be adjusted according to the battery core temperature of the battery, so that the flow is accurately controlled, and the power consumption of a heating system is reduced. The preset temperature value of the battery electric core and the switching value of the control valve 4 can be determined according to actual design requirements.
The charging cooling and heating system further comprises a conversion device 5, wherein an inlet of the medium connector 2 and an outlet of the cooling device are selectively cut off, or an inlet of the medium connector 2 and an outlet of the heating device are cut off, so that switching between the cooling device and the heating device is facilitated, selection is facilitated according to actual use requirements, the battery is cooled or heated, and the use is more flexible and convenient. The switching device 5 may be a common switching valve, and its specific structure will not be described herein.
Specifically, the cooling device is a conventional device, and specifically includes an evaporator 6, a compressor 7, a condenser 8, a filter 9, an expansion valve 10, a cooling water tower 12, and a cooling water pump 13. When the cooling device is operated, the water with higher temperature flowing out of the medium connector 2 passes through the evaporator 6, the compressor 7, the condenser 8, the cooling water tower 12, the cooling water pump 13, the condenser 8, the filter 9, the expansion valve 10 and the change-over valve in sequence, forms water with lower temperature after flowing out of the cooling device, then flows to the inlet of the medium connector 2, and circulates in a reciprocating way to continuously cool the battery. In addition, the cooling water tower 12 is also provided with a water replenishing pipe 14 so as to replenish water source in time and ensure the operation of the system.
The heating apparatus includes a heating water tank 11, and can heat water flowing into the heating water tank 11, for example, an electric heating rod or an electric heating tube is used to heat water with a high temperature, so as to heat a battery. Wherein the heating water tank 11 is disposed between the expansion valve 10 and the switching valve. When the heating device operates, the water with lower temperature flowing out of the medium connector 2 passes through the evaporator 6, the compressor 7, the condenser 8 bypass, the filter 9, the expansion valve 10, the heating water tank 11 and the change-over valve in sequence, after flowing out of the heating device, the water with higher temperature is formed, then flows to the inlet of the medium connector 2, and is circulated in such a reciprocating way, and the battery is continuously heated.
Combine heating device and cooling device together like this, realize the switching of cold, hot media through conversion equipment 5, realize the heating and the cooling effect to the battery, equipment integration is higher, has reduced equipment cost. Moreover, the use scene is wider, especially when the environmental temperature is lower in winter, the battery is heated by switching to the heat supply device through the conversion device 5, and the charging efficiency and the service life of the battery can be improved.
In the embodiment of the present invention, as shown in fig. 1, the charging, cooling and heating system further includes a liquid return pipeline and a liquid supply pipeline. The first end of the liquid return pipeline is respectively communicated with the inlet of the cooling device and the inlet of the heating device, and the second end of the liquid return pipeline is communicated with the outlet of the medium connector 2. The first end of the liquid supply pipeline is communicated with the conversion device 5, and the second end is communicated with the inlet of the medium connector 2. So that the whole system forms a closed circulation loop to continuously cool or heat the battery.
In practical application, the power conversion station needs to charge a large number of batteries. Thus, as shown in fig. 1, there are at least two charging stations. The liquid supply line then includes a liquid supply header 16 and a plurality of liquid supply branch pipes 17, each liquid supply branch pipe 17 corresponding to each charging station one-to-one. The liquid supply main pipe 16 is communicated with the switching device 5 at a first end, is communicated with each liquid supply branch pipe 17 at a second end, and each liquid supply branch pipe 17 is communicated with the inlet of the medium connector 2 on each charging station, so that the switching device 5 is communicated with the inlet of the medium connector 2, and the cold medium and the hot medium can be switched according to actual requirements subsequently.
Further, the liquid return pipeline comprises a liquid return main pipe 18 and a plurality of liquid return branch pipes 19, and each liquid return branch pipe 19 corresponds to each charging station one by one. One end of each liquid return branch pipe 19 is communicated with the outlet of the medium connector 2 on each charging station, the other end is communicated with the liquid return main pipe 18, and the liquid return main pipe 18 is respectively communicated with the inlet of the cooling device and the inlet of the heating device, so that the outlet of the medium connector 2 is communicated with the inlet of the cooling device and the inlet of the heating device, and batteries can be cooled or heated according to requirements. In fig. 1, the liquid return header pipe 18 and the liquid return branch pipe 19 are shown by broken lines, and the liquid supply header pipe 16 and the liquid supply branch pipe 17 are shown by solid lines.
In an embodiment of the present invention, the control valve 4 is provided on the branch liquid supply pipe 17 or the branch liquid return pipe 19, for example, mounted on the branch liquid supply pipe 17, so as to accurately control the flow rate of water flowing through the medium connector 2. And the temperature detection device and the control valve 4 are respectively in one-to-one correspondence with the charging stations, so that the temperature detection device can detect the cell temperature of the battery on each charging station and send each temperature signal to the control device, and the control device respectively controls the opening degree of the control valve 4 of the corresponding charging station according to each temperature signal, so that the flow of each charging station is accurately adjusted according to the specific condition of each battery, the control is more accurate, and the energy consumption is lower.
In the embodiment of the utility model, the charging cooling and heating system further comprises a circulating water pump 15 for providing power for the circulation of the heat exchange medium, so that the liquid can be ensured to continuously flow. Wherein, the circulating water pump 15 is arranged on the liquid supply main pipe 16 or the liquid return main pipe 18, for example, is arranged on the liquid supply main pipe 16.
In the embodiment of the utility model, the charging station comprises a battery bottom support 1 for placing the battery so as to charge the battery. A media connector 2 is provided on the battery mounting 1 for cooling or heating the battery.
The charging station provided by the utility model is described below, and the charging station described below and the charging cooling and heating system described above can be referred to correspondingly.
The embodiment of the utility model also provides a battery replacement station, which comprises a charging cooling and heating system for cooling or heating the battery on the charging station, wherein the charging cooling and heating system is arranged as the charging cooling and heating system in each embodiment. Further, in the power conversion station provided by the utility model, due to the charging cooling and heating system as described above, the power conversion station also has various advantages as described above, so that the opening degree of the control valve 4 can be controlled according to the cell temperature of the battery, the medium flow can be accurately controlled, and the energy consumption of the system operation can be reduced. The derivation process of the advantageous effect is substantially similar to the derivation process of the advantageous effect of the charge cooling and heating system, and therefore, the description thereof is omitted.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A charge cooling and heat supply system, comprising:
the charging station is used for placing a battery and charging the battery, and a medium connector is arranged on the charging station and is used for being communicated with a heat exchange pipeline arranged on the battery so as to allow a heat exchange medium to circulate;
the control valve is used for controlling the flow of the heat exchange medium flowing through the medium connector;
the temperature detection device is used for detecting the cell temperature of the battery;
the control device, the control valve and the temperature detection device are both in communication connection with the control device, and the control device controls the opening of the control valve according to the cell temperature so as to control the flow of the heat exchange medium flowing through the medium connector.
2. The charge cooling and heat supplying system according to claim 1, further comprising a cooling device for cooling down the heat exchange medium flowing out of the medium connector, wherein an inlet of the cooling device is communicated with an outlet of the medium connector, and an outlet of the cooling device is communicated with an inlet of the medium connector.
3. The charge cooling and heat supply system according to claim 2, further comprising:
the heat supply device is used for heating the heat exchange medium flowing out of the medium connector, an inlet of the heat supply device is communicated with an outlet of the medium connector, and an outlet of the heat supply device is communicated with an inlet of the medium connector;
a switching device selectively intercepting an inlet of the medium connector from an outlet of the cooling device or from an outlet of the heating device to switch between the cooling device and the heating device.
4. The charge cooling and heat supply system according to claim 3, further comprising:
a first end of the liquid return pipeline is respectively communicated with an inlet of the cooling device and an inlet of the heating device, and a second end of the liquid return pipeline is communicated with an outlet of the medium connector;
and the first end of the liquid supply pipeline is communicated with the conversion device, and the second end of the liquid supply pipeline is communicated with the inlet of the medium connector.
5. The charging, cooling and heating system of claim 4, wherein the charging stations are at least two and the liquid supply line comprises:
a liquid supply main pipe, the first end of which is communicated with the conversion device;
and the liquid supply branch pipes correspond to the charging stations one by one, one end of each liquid supply branch pipe is communicated with the second end of the liquid supply main pipe, and the other end of each liquid supply branch pipe is communicated with the inlet of the medium connector.
6. The charge cooling and heat supply system according to claim 5, wherein the liquid return line comprises:
the first end of the liquid return main pipe is respectively communicated with the inlet of the cooling device and the inlet of the heating device;
and the liquid return branch pipes correspond to the charging stations one by one, one end of each liquid return branch pipe is communicated with the second end of the liquid return main pipe, and the other end of each liquid return branch pipe is communicated with the outlet of the medium connector.
7. The charging, cooling and heating system according to claim 6, wherein the control valves are provided on the liquid supply branch pipe or the liquid return branch pipe, and the temperature detection devices and the control valves are in one-to-one correspondence with the charging stations, respectively.
8. The charge cooling and heat supply system according to claim 6, further comprising a circulating water pump for powering circulation of the heat exchange medium, the circulating water pump being provided on the liquid supply header pipe or the liquid return header pipe.
9. A charging, cooling and heating system according to claim 1, wherein said charging station comprises a battery tray for placing said battery, said media connector being provided on said battery tray.
10. A charging station, comprising a charging cooling and heating system for cooling or heating a battery at a charging station, wherein the charging cooling and heating system is configured as the charging cooling and heating system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121752819.5U CN215680781U (en) | 2021-07-29 | 2021-07-29 | Charging cooling and heat supply system and battery replacement station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121752819.5U CN215680781U (en) | 2021-07-29 | 2021-07-29 | Charging cooling and heat supply system and battery replacement station |
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| Publication Number | Publication Date |
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| CN215680781U true CN215680781U (en) | 2022-01-28 |
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| CN202121752819.5U Active CN215680781U (en) | 2021-07-29 | 2021-07-29 | Charging cooling and heat supply system and battery replacement station |
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| CN (1) | CN215680781U (en) |
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2021
- 2021-07-29 CN CN202121752819.5U patent/CN215680781U/en active Active
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