CN216958213U - Storage battery temperature adjusting system based on refrigerant circulating device - Google Patents
Storage battery temperature adjusting system based on refrigerant circulating device Download PDFInfo
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- CN216958213U CN216958213U CN202220241641.6U CN202220241641U CN216958213U CN 216958213 U CN216958213 U CN 216958213U CN 202220241641 U CN202220241641 U CN 202220241641U CN 216958213 U CN216958213 U CN 216958213U
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Abstract
The utility model relates to the technical field of solar energy production equipment, and aims to provide a storage battery temperature regulating system based on a refrigerant circulating device, which comprises a storage battery pack, a battery liquid cold plate and the refrigerant circulating device, wherein the battery liquid cold plate is laid on the outer surface of the storage battery pack; the storage battery temperature adjusting system also comprises a first water pump, a first adjusting valve and a second adjusting valve which are sequentially communicated, wherein a liquid inlet of the first water pump is a liquid inlet of the storage battery temperature adjusting system, and a liquid outlet of the second adjusting valve is a liquid outlet of the storage battery temperature adjusting system; the refrigerant circulating device comprises an evaporator, a compressor, a condenser and an electronic expansion valve which are sequentially communicated and arranged through a refrigerant guide pipe, and a first liquid guide pipe positioned at the liquid outlet of the first regulating valve is communicated and arranged with a liquid pipe in the evaporator. The utility model has low manufacturing and assembling cost and is convenient for improving the charging and discharging efficiency of the storage battery pack.
Description
Technical Field
The utility model relates to the technical field of solar production equipment, in particular to a storage battery temperature adjusting system based on a refrigerant circulating device.
Background
With the development of economy and the continuous enhancement of science and technology, new energy technology is coming to the opportunity of rapid development. In the development of an electric power system, wind power generation is no longer unique, solar photovoltaic power generation becomes a technical form which is preferentially developed by power generation enterprises, particularly after the target of '3060' is provided, the installed capacity of photovoltaic power generation is larger and larger, and the proportion of the installed capacity in an energy structure is higher and higher. However, solar energy is an intermittent energy source, which is greatly influenced by environment and weather, and the output power of a photovoltaic power generation system is uncertain, so that impact is brought to the stability and safety of the electric energy quality of a power grid after the photovoltaic power generation system is connected to the power grid; meanwhile, the operation of the photovoltaic power generation system is limited by the duration of the illumination, which is greatly discounted in the reliability and the continuity of the power supply. Therefore, in the operation process of the photovoltaic power generation system, an energy storage device with a certain capacity is usually configured to ensure the quality of electric energy supplied by the photovoltaic power generation system, and meanwhile, the reliability, stability and safety of the system are ensured.
Among the prior art, photovoltaic power generation system can charge for energy memory constantly daytime, and energy memory can supply power to the outside when power consumption load peak, and when the electric wire netting breaks down, still can supply power to the user as emergency power source. However, in the process of using the prior art, the inventor finds that at least the following problems exist in the prior art: the charging and discharging efficiency of the storage battery in the energy storage device is greatly influenced by the ambient temperature, the charging and discharging efficiency of the storage battery in the energy storage device is highest only within a certain temperature range, and the charging and discharging efficiency of the storage battery is lower at a cooler or hotter ambient temperature, and the service life and the performance of the storage battery and the photovoltaic power generation system are seriously influenced. In the prior art, for a storage battery in a photovoltaic power generation system, a heat exchange device is not usually arranged, and if the heat exchange device of a proper storage battery is additionally arranged, the manufacturing and assembling costs are too high, so that a storage battery temperature regulating system with low manufacturing and assembling costs needs to be researched.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem at least to a certain extent, the utility model provides a storage battery temperature regulating system based on a refrigerant circulating device.
The technical scheme adopted by the utility model is as follows:
a storage battery temperature adjusting system based on a refrigerant circulating device comprises a storage battery pack, a battery liquid cooling plate and the refrigerant circulating device, wherein the battery liquid cooling plate is laid on the outer surface of the storage battery pack; the storage battery temperature adjusting system also comprises a first water pump, a first adjusting valve and a second adjusting valve which are sequentially communicated, wherein a liquid inlet of the first water pump is a liquid inlet of the storage battery temperature adjusting system, and a liquid outlet of the second adjusting valve is a liquid outlet of the storage battery temperature adjusting system; the refrigerant circulating device comprises an evaporator, a compressor, a condenser and an electronic expansion valve which are sequentially communicated through a refrigerant conduit, and a first liquid guide pipe positioned at the liquid outlet of the first regulating valve is communicated with a liquid pipe in the evaporator.
In one possible design, the battery temperature regulating system further comprises a first check valve, a liquid inlet of the first check valve is communicated with a liquid outlet of the first water pump, and a liquid outlet of the first check valve is communicated with a liquid inlet of the first regulating valve.
In one possible design, the battery temperature regulation system further includes a second switching valve, a third regulating valve, a second check valve, a second water pump, and a third check valve, and the refrigerant cycle device further includes a fan; the third regulating valve is communicated and arranged between the first regulating valve and the second regulating valve, a liquid outlet of the third regulating valve is communicated and arranged with a liquid inlet of the first regulating valve through a second check valve, a second water pump, a third check valve and a second switch valve in sequence based on the second liquid guide pipe, and the fan is arranged at the second liquid guide pipe.
In a possible design, battery temperature regulation system still includes first ooff valve and header tank, the inlet of first ooff valve and the liquid outlet intercommunication setting of first water pump, the liquid outlet of first ooff valve and the inlet intercommunication setting of first governing valve, the liquid outlet of first ooff valve and second ooff valve all sets up through the water inlet intercommunication of header tank and first governing valve.
In a possible design, battery temperature regulation system is still including third ooff valve, third water pump and the fourth check valve that feeds through the setting in proper order, the inlet of third ooff valve is the cooling water inlet, the liquid outlet of fourth check valve is the cooling water liquid outlet, cooling water inlet and cooling water liquid outlet all communicate and are provided with ground source water, the liquid outlet of fourth check valve sets up through the liquid pipe intercommunication in third catheter and the condenser.
In one possible design, a thermally conductive silica gel is disposed between the battery liquid cooling plate and the battery pack.
In one possible design, the storage battery temperature regulating system further comprises a controller and a temperature acquisition device, the temperature acquisition device is arranged in the storage battery pack, and the temperature acquisition device, the first water pump, the first regulating valve and the second regulating valve are all electrically connected with the controller.
The utility model has the beneficial effects of low manufacturing and assembling cost and convenience for improving the charging and discharging efficiency of the storage battery. Specifically, in the use process of the utility model, when the ambient temperature of the storage battery pack is high in hot days, if a user uses an air conditioner for refrigeration, the evaporator can refrigerate the liquid in the battery liquid cooling plate based on the internal refrigerant so as to facilitate the battery liquid cooling plate to dissipate the heat of the storage battery pack; when the ambient temperature of the storage battery pack in cold days is low, if a user uses an air conditioner to heat, the evaporator can heat liquid in the battery liquid cooling plate, so that the battery liquid cooling plate can conveniently preserve the heat of the storage battery pack, the working temperature of the storage battery pack is prevented from being too high or too low, the charging and discharging efficiency of the storage battery pack is conveniently improved, in addition, the temperature of the storage battery pack can be adjusted based on a refrigerant circulating device of the air conditioner in the prior art, and the manufacturing and assembling cost of the storage battery pack can be effectively reduced.
Drawings
Fig. 1 is a block diagram of a battery temperature regulation system in accordance with the present invention.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time.
It will be understood that when an element is referred to herein as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
Example 1:
the embodiment provides a storage battery temperature adjusting system based on a refrigerant cycle device, as shown in fig. 1, including a storage battery pack, a battery liquid cooling plate, and a refrigerant cycle device, where the battery liquid cooling plate is laid on an outer surface of the storage battery pack; the storage battery temperature adjusting system further comprises a first water pump P1, a first adjusting valve 6# and a second adjusting valve 9# which are sequentially communicated and arranged based on a first liquid guide pipe, wherein a liquid inlet of the first water pump P1 is a liquid inlet of the storage battery temperature adjusting system, and a liquid outlet of the second adjusting valve 9# is a liquid outlet of the storage battery temperature adjusting system, namely, a liquid inlet of the first water pump P1 is communicated and arranged with a liquid outlet of the battery liquid cooling plate, and a liquid outlet of the second adjusting valve 9# is communicated and arranged with a liquid inlet of the battery liquid cooling plate; the refrigerant circulating device comprises an evaporator, a compressor, a condenser and an electronic expansion valve which are sequentially communicated and arranged through a refrigerant guide pipe, and a first liquid guide pipe positioned at the liquid outlet of the first regulating valve 6# is communicated and arranged with a liquid pipe in the evaporator. The liquid pipe in the evaporator is disposed adjacent to the refrigerant conduit in the evaporator, so that the refrigerant in the refrigerant conduit in the evaporator cools or heats the liquid in the liquid pipe.
In this embodiment, the evaporator, the compressor, the condenser and the electronic expansion valve are communicated with each other through a refrigerant conduit to form a refrigerant cycle device; when the liquid in the battery liquid cooling plate needs to be refrigerated, the evaporator can refrigerate the liquid entering the battery liquid cooling plate in the evaporator from the first liquid guide pipe and the liquid pipe of the evaporator based on the refrigerant in the evaporator, and the obtained cooling liquid flows back to the battery liquid cooling plate through the first liquid guide pipe so as to be convenient for the battery liquid cooling plate to radiate the storage battery; the low-temperature low-pressure gaseous refrigerant obtained after the heat in the liquid is absorbed in the evaporator is sent into a compressor to be compressed so as to obtain the high-temperature high-pressure gaseous refrigerant; then, the compressor sends the high-temperature and high-pressure refrigerant into the condenser for processing, and the refrigerant can be condensed and release heat in the condenser to obtain a low-temperature and high-pressure liquid refrigerant; finally, the liquid refrigerant obtained by the condenser can be throttled and decompressed by the electronic expansion valve and then flows back to the evaporator, so that the evaporator further refrigerates the liquid in the battery liquid cooling plate, and the refrigeration of the liquid in the battery liquid cooling plate and the circulation process of the refrigerant are realized. When the liquid in the battery liquid cooling plate needs to be heated, the refrigerant in the refrigerant conduit runs in the reverse direction, so that the heating of the liquid in the battery liquid cooling plate can be realized, and details are omitted here.
The manufacturing and assembling cost of the embodiment is low, and meanwhile, the charging and discharging efficiency of the storage battery pack is convenient to improve. Specifically, in the implementation process of this embodiment, when the ambient temperature of the battery pack is high in a hot day, if a user uses an air conditioner to perform refrigeration, the evaporator may refrigerate the liquid in the battery liquid cooling plate based on the refrigerant inside the evaporator, so that the battery liquid cooling plate dissipates heat of the battery pack; when the ambient temperature of the cold day storage battery pack is low, if a user uses an air conditioner to heat, the evaporator can heat liquid in the battery liquid cooling plate, so that the battery liquid cooling plate can keep the temperature of the storage battery pack, the phenomenon that the working temperature of the storage battery pack is too high or too low is avoided, the charging and discharging efficiency of the storage battery pack is improved, in addition, the temperature of the storage battery pack can be adjusted based on the refrigerant circulating device of the air conditioner in the prior art, and the manufacturing and assembling cost of the storage battery pack can be effectively reduced.
Specifically, in the prior art, the storage battery of the photovoltaic power generation system is usually placed outdoors, the working temperature of the storage battery is usually positively correlated with the ambient temperature, meanwhile, the user usually adopts the modes of hot-day refrigeration and cold-day heating in the process of using the air conditioner, so that the refrigerant circulating device of the existing air conditioner is utilized on the storage battery, the temperature of the storage battery can be regulated in the operation process of the existing air conditioner, the manufacturing and assembling cost of the heat exchange device of the storage battery is saved, meanwhile, the storage battery can be ensured to work at a proper temperature, the charging and discharging efficiency of the storage battery pack is improved, and the service life and the performance of the solar energy supply system are prolonged.
In this embodiment, battery temperature regulation system still includes first check valve 1#, the inlet of first check valve 1# and the liquid outlet intercommunication setting of first water pump P1, the liquid outlet of first check valve 1# and the inlet intercommunication setting of first governing valve 6 #. It should be noted that, the arrangement of the first check valve 1# can prevent the liquid in the first liquid guiding pipe from flowing back to the battery liquid cooling plate, so as to ensure that the liquid in the first liquid guiding pipe stably flows, and prevent the first water pump P1 from being damaged due to reverse impact of the liquid.
In this embodiment, the storage battery temperature adjustment system further includes a second switching valve 4#, a third adjustment valve 8#, a second check valve 7#, a second water pump P2, and a third check valve 5#, and the refrigerant cycle device further includes a fan; the third regulating valve 8# is communicated and arranged between the first regulating valve 6# and the second regulating valve 9#, the liquid outlet of the third regulating valve 8# is communicated and arranged with the liquid inlet of the first regulating valve 6# through a second check valve 7#, a second water pump P2, a third check valve 5# and a second switch valve 4# in sequence based on a second liquid guide pipe, and the fan is arranged at the second liquid guide pipe. It should be noted that, in the operation process of the refrigerant cycle device, after the water in the first liquid guide pipe is cooled or heated by the evaporator, the water can flow into the second liquid guide pipe, and the cold air or the hot air at the second liquid guide pipe is blown into the room through the function of the fan, so that the liquid in the battery liquid cooling plate is reused. It should be understood that a fan may also be disposed at the evaporator to blow cold air or hot air near the evaporator to the room, so as to cool or heat the room, which is not described herein.
In this embodiment, the storage battery temperature adjustment system further includes a first switch valve 3# and a water collection tank, a liquid inlet of the first switch valve 3# is communicated with a liquid outlet of a first water pump P1, a liquid outlet of the first switch valve 3# is communicated with a liquid inlet of a first regulating valve 6#, and specifically, in this embodiment, a first check valve 1# is communicated with a liquid inlet of the first regulating valve 6# through the first switch valve 3 #; the liquid outlets of the first switch valve 3# and the second switch valve 4# are communicated with the water inlet of the first regulating valve 6# through the water collecting tank. It should be noted that, in this embodiment, the water collecting tank may store the liquid flowing out from the battery liquid cooling plate through the first liquid guiding pipe and the liquid flowing out from the second liquid guiding pipe, so as to avoid the liquid from accumulating in the first guiding pipe and/or the second guiding pipe when the battery temperature adjusting system is not in operation, which may cause water seepage in the first guiding pipe and/or the second guiding pipe, and damage to the components on the first guiding pipe and/or the second guiding pipe due to water soaking.
In this embodiment, battery temperature regulation system still includes based on third liquid pipe communicate the third ooff valve 13#, third water pump P3 and the fourth check valve 12# that sets up in proper order, the inlet of third ooff valve 13# is the cooling water inlet, the liquid outlet of fourth check valve 12# is the cooling water liquid outlet, cooling water inlet and cooling water liquid outlet all communicate and are provided with ground source water, the liquid outlet of fourth check valve 12# is through the liquid pipe intercommunication setting in third liquid pipe and the condenser. The liquid pipe in the condenser is disposed adjacent to the refrigerant conduit in the condenser, so that the refrigerant in the refrigerant conduit in the condenser can perform operations such as condensation and heat release on the liquid in the liquid pipe. In this embodiment, the ground source water constitutes the cooling water of the condenser, and the third on/off valve 13#, the third water pump P3, the fourth check valve 12# and the third liquid guide tube are used for driving the cooling water to flow into the condenser, so that the water resource recycling can be realized, and energy is saved.
In this embodiment, a heat-conducting silica gel is disposed between the battery liquid cooling plate and the battery pack. Therefore, the storage battery pack is protected, and the problem that components in the storage battery pack are abnormal due to the fact that cold liquid in a battery liquid cooling plate when the storage battery pack is overheated or hot liquid in the battery liquid cooling plate directly contacts the storage battery pack when the storage battery pack is supercooled is solved.
It should be noted that, in this embodiment, the battery liquid cooling plate is laid on the outer surface of the battery core in the storage battery pack, so that the temperature adjustment effect of the battery liquid cooling plate on the storage battery pack can be improved, and the heat-conducting silica gel is correspondingly disposed between the battery liquid cooling plate and the battery core, which is not described herein.
In this embodiment, the storage battery temperature regulation system further includes a controller and a temperature acquisition device, the temperature acquisition device is arranged in the storage battery pack, and the temperature acquisition device, the first water pump P1, the first regulating valve 6# and the second regulating valve 9# are all electrically connected with the controller.
In this embodiment, the controller may be implemented by, but not limited to, a single chip microcomputer of the model STM32F103RCT6, the STM32F103C8T6 is an ST (intentionally made semiconductor) push-out kernel STM32F4 series high performance microcontroller, which employs a 90 nm NVM process and an ART (adaptive real-time memory accelerator), wherein the ART technology enables zero-wait execution of a program, improves the efficiency of program execution, and brings the performance of cortex-M4 into full play, so that the STM32F4 series can reach 210DMIPS @168 MHz. Meanwhile, STM32F4 series of microcontrollers integrate single-cycle DSP (Digital Signal Processing) instructions and FPUs (floating point units), so that the computing power is improved, and some complex calculations and control can be performed.
In this embodiment, all components and parts of battery temperature governing system are all controlled by the controller to when the temperature of storage battery is greater than the maximum threshold value or is less than the minimum threshold value, control corresponding components and parts, refrigerate or heat the liquid in the battery liquid cooling board.
Specifically, in the using process of the embodiment, the work flow is as follows:
s1, a controller acquires temperature data of a storage battery pack;
s2, the controller judges whether the temperature data of the storage battery pack is larger than a maximum threshold value, if so, the step S3 is carried out; if not, go to step S4;
s3, judging whether the refrigeration function of the refrigerant circulating device operates, if so, judging that a user has an air-conditioning refrigeration requirement, driving a first water pump P1 to operate, driving a first check valve 1#, a first switch valve 3#, a first regulating valve 6# and a second regulating valve 9# to open, leading the liquid in the battery liquid cooling plate into a liquid pipe of the evaporator by a first liquid guide pipe, refrigerating the liquid in the liquid pipe based on the refrigerant in a refrigerant guide pipe in the evaporator, namely refrigerating the liquid in the battery liquid cooling plate, and if not, outputting high-temperature warning information so that the user can cool the storage battery pack manually;
s4, judging whether the temperature data of the storage battery pack is smaller than a minimum threshold value, if so, entering a step S5, and if not, not acting;
and S5, judging whether the heating function of the refrigerant circulating device operates, if so, judging that the user has an air-conditioning refrigeration requirement, driving the first water pump P1 to operate, driving the first check valve 1#, the first switch valve 3#, the first regulating valve 6# and the second regulating valve 9# to open, at the moment, leading the liquid in the battery liquid cooling plate into a liquid pipe of the evaporator by the first liquid guide pipe, heating the liquid in the liquid pipe based on the refrigerant in the refrigerant guide pipe in the evaporator, namely, heating the liquid in the battery liquid cooling plate, and if not, outputting low-temperature warning information so as to manually heat the storage battery pack by the user.
Specifically, in this embodiment, the storage battery temperature adjustment system further includes a photovoltaic module, a dc combiner box, and a grid-connected inverter that are electrically connected in sequence, where the grid-connected inverter is electrically connected to the storage battery pack. In the using process of the solar photovoltaic power generation system, the photovoltaic modules can convert solar energy into direct current, then the direct current combiner box sequentially connects and combines the photovoltaic modules, then the direct current output by the direct current combiner box is converted into alternating current through the grid-connected inverter, and then the alternating current is stored in the storage battery pack so as to supply power to users.
Specifically, in this embodiment, multiple groups of photovoltaic modules can be arranged according to the location of the project, and the photovoltaic modules are arranged on the side slope, the shed, the roof and the like, that is, the photovoltaic modules are arranged as the side slope photovoltaic, the shed photovoltaic, the roof photovoltaic and the like, so as to meet different use requirements of users; in the using process, corresponding direct current combiner boxes, power distribution cabinets and the like can be configured according to the arrangement position of the photovoltaic module, output voltage, capacity and other parameters; the controller can be configured according to the load requirements, and can be electrically connected with a plurality of components in the solar energy supply system, for example, a plurality of components in the battery heat exchange system, so that a user can control the output voltage through the controller according to different requirements and control the battery heat exchange system to carry out refrigeration or heating operation on the liquid in the battery liquid cooling plate; meanwhile, according to the voltage grade requirement of the grid-connected point, equipment such as a grid-connected inverter, an alternating current distributor, a boosting transformer, a high-voltage distributor and the like are configured, wherein the grid-connected inverter has the functions of power regulation, grid-connected protection and the like; the capacity of the storage battery pack can be determined according to parameters such as the output voltage, the capacity and the user load of the selected photovoltaic module.
In this embodiment, the solar energy supply system further includes a dc power distribution cabinet, an input end of the dc power distribution cabinet is electrically connected to the dc combiner box, an output end of the dc power distribution cabinet is electrically connected to an input end of the grid-connected inverter, and an output end of the dc power distribution cabinet is further electrically connected to a dc charging pile. It should be noted that, a plurality of photovoltaic modules all convert light energy into direct current, then flow into in the direct current switch board through the direct current collection flow box in unison, and direct current switch board can be with the direct current output to the direct current that handles such as filtering, steady voltage to direct current fills electric pile for direct current electric automobile needs equipment use of direct current. In this embodiment, the direct current collection flow box can guarantee that a plurality of photovoltaic module connect in order and converge, and it can guarantee that solar energy supply system is easily the cutoff circuit when maintaining, examining, reduces the scope that has a power failure when solar energy supply system breaks down.
In this embodiment, the solar energy supply system further includes an alternating current distributor, an input end of the alternating current distributor is electrically connected with an output end of the grid-connected inverter, an output end of the alternating current distributor is further electrically connected with an alternating current power grid through a step-up transformer and a high voltage distribution cabinet in sequence, and an output end of the alternating current distributor is further connected with a user terminal and an alternating current charging pile. In this embodiment, the grid-connected inverter is configured to convert the direct current output by the dc power distribution cabinet into an alternating current synchronized with the frequency and phase of the utility power, and output the alternating current to the ac power grid through the ac power distributor, the step-up transformer, and the high-voltage power distribution cabinet in sequence; the ac distributor may be used to connect a power supply, a transformer, a converter device, and loads such as a user terminal and an ac charging pile, and monitor and protect a solar energy supply system, and has a control function of switching on, off, and switching between the power supply and various loads, and implementing a predetermined operation mode. In this embodiment, the user terminal can be for the equipment that uses the alternating current such as electric light, desk lamp, domestic appliance, and the alternating-current charging stake is used for needing the equipment use of alternating current such as alternating current electric automobile.
In this embodiment, the solar energy supply system further includes a monitoring device, and the monitoring device is electrically connected to the grid-connected inverter. In this embodiment, the monitoring device has functions of monitoring whether the grid-connected inverter operates normally and displaying monitoring data, so that a user can control the solar energy supply system in time when the monitoring device displays abnormal information, and thus the safety of the solar energy supply system in the operation process can be improved.
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: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. 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.
Finally, it should be noted that the present invention is not limited to the above alternative embodiments, and that various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the utility model, which is defined by the appended claims, which are intended to be interpreted according to the breadth to which the description is entitled.
Claims (7)
1. A storage battery temperature regulation system based on a refrigerant cycle device is characterized in that: the system comprises a storage battery pack, a battery liquid cooling plate and a refrigerant circulating device, wherein the battery liquid cooling plate is laid on the outer surface of the storage battery pack; the storage battery temperature adjusting system also comprises a first water pump (P1), a first adjusting valve (6#) and a second adjusting valve (9#) which are sequentially communicated, wherein a liquid inlet of the first water pump (P1) is a liquid inlet of the storage battery temperature adjusting system, and a liquid outlet of the second adjusting valve (9#) is a liquid outlet of the storage battery temperature adjusting system; the refrigerant circulating device comprises an evaporator, a compressor, a condenser and an electronic expansion valve which are sequentially communicated through a refrigerant conduit, and a first liquid guide pipe positioned at a liquid outlet of the first regulating valve (6#) is communicated with a liquid pipe in the evaporator.
2. A refrigerant cycle device based battery temperature regulation system as claimed in claim 1, wherein: the storage battery temperature adjusting system further comprises a first check valve (1#), a liquid inlet of the first check valve (1#) is communicated with a liquid outlet of a first water pump (P1), and a liquid outlet of the first check valve (1#) is communicated with a liquid inlet of a first adjusting valve (6 #).
3. A refrigerant cycle device-based battery temperature regulation system as claimed in claim 1, wherein: the storage battery temperature adjusting system also comprises a second switch valve (4#), a third adjusting valve (8#), a second check valve (7#), a second water pump (P2) and a third check valve (5#), and the refrigerant circulating device also comprises a fan; the third regulating valve (8#) is communicated between the first regulating valve (6#) and the second regulating valve (9#), a liquid outlet of the third regulating valve (8#) is communicated with a liquid inlet of the first regulating valve (6#) through a second check valve (7#), a second water pump (P2), a third check valve (5#) and a second switch valve (4#) based on a second liquid guide pipe, and the fan is arranged at the second liquid guide pipe.
4. A refrigerant cycle device based battery temperature regulation system as claimed in claim 3, wherein: the storage battery temperature adjusting system further comprises a first switch valve (3#) and a water collecting tank, wherein a liquid inlet of the first switch valve (3#) is communicated with a liquid outlet of a first water pump (P1), a liquid outlet of the first switch valve (3#) is communicated with a liquid inlet of a first adjusting valve (6#) to be arranged, and liquid outlets of the first switch valve (3#) and a second switch valve (4#) are communicated with a water inlet of the first adjusting valve (6#) through the water collecting tank.
5. A refrigerant cycle device based battery temperature regulation system as claimed in claim 1, wherein: the battery temperature regulation system further comprises a third switch valve (13#), a third water pump (P3) and a fourth check valve (12#) which are sequentially communicated and arranged, wherein a liquid inlet of the third switch valve (13#) is a cooling water inlet, a liquid outlet of the fourth check valve (12#) is a cooling water liquid outlet, the cooling water inlet and the cooling water liquid outlet are both communicated and provided with ground source water, and a liquid outlet of the fourth check valve (12#) is communicated and arranged with a liquid pipe in the condenser through a third liquid guide pipe.
6. A refrigerant cycle device based battery temperature regulation system as claimed in claim 1, wherein: and heat-conducting silica gel is arranged between the battery liquid cooling plate and the storage battery pack.
7. A refrigerant cycle device based battery temperature regulation system as claimed in claim 1, wherein: the storage battery temperature adjusting system further comprises a controller and a temperature acquisition device, the temperature acquisition device is arranged in the storage battery pack, and the temperature acquisition device, the first water pump (P1), the first regulating valve (6#) and the second regulating valve (9#) are all electrically connected with the controller.
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| CN202220241641.6U CN216958213U (en) | 2022-01-28 | 2022-01-28 | Storage battery temperature adjusting system based on refrigerant circulating device |
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| CN202220241641.6U CN216958213U (en) | 2022-01-28 | 2022-01-28 | Storage battery temperature adjusting system based on refrigerant circulating device |
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