CN220895639U - Temperature regulating device and industrial and commercial energy storage cabinet - Google Patents
Temperature regulating device and industrial and commercial energy storage cabinet Download PDFInfo
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- CN220895639U CN220895639U CN202322486269.2U CN202322486269U CN220895639U CN 220895639 U CN220895639 U CN 220895639U CN 202322486269 U CN202322486269 U CN 202322486269U CN 220895639 U CN220895639 U CN 220895639U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 75
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 191
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000002826 coolant Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 9
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a temperature regulating device and an industrial and commercial energy storage cabinet, wherein the temperature regulating device is arranged on the energy storage cabinet and comprises a temperature regulating unit, the temperature regulating unit is used for providing a liquid medium, and the temperature regulating unit is provided with a liquid outlet and a liquid return port; the energy storage cabinet comprises a PCS energy storage converter and a battery pack module; the liquid outlet, the battery pack module and the liquid return port are communicated through a first pipeline to form a first temperature regulating loop, so that the battery pack module and the liquid medium are subjected to heat exchange through the first temperature regulating loop to regulate the temperature of the battery pack module; the liquid outlet, the PCS energy storage converter and the liquid return port are communicated through a second pipeline to form a second temperature regulating loop, so that the PCS energy storage converter exchanges heat with the liquid medium through the second temperature regulating loop to regulate the temperature of the PCS energy storage converter, a traditional air cooling heat management mode is not adopted, and the temperature regulating efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of energy storage cabinets, in particular to a temperature regulating device and an industrial and commercial energy storage cabinet.
Background
At present, as the industry technology of industrial and commercial energy storage systems at home and abroad is still in a starting stage, most enterprises generally continue the design characteristics of concentrated energy storage products at an early generation side and a power grid side in product design, and still adopt an air-cooled battery thermal management technology, but the air-cooled battery thermal management technology has low energy efficiency, and has congenital disadvantages in battery temperature management and control and the like, and the safety performance can be greatly reduced for a long-time operation and use period of generally 10 years or 20 years in the energy storage industry, so that certain potential safety hazards exist.
In view of the foregoing, there is a need for improvements in the art.
Disclosure of utility model
Aiming at the technical problems, the utility model aims to provide a temperature regulating device and an industrial and commercial energy storage cabinet, which do not adopt an air cooling battery thermal management technology, and an ingenious temperature regulating loop is arranged, so that a good temperature management effect can be achieved, and the normal operation of the energy storage cabinet is ensured.
In order to achieve the above object, the present utility model provides a temperature adjusting device, which is disposed on an energy storage cabinet, comprising: the temperature adjusting unit is used for providing a liquid medium and is provided with a liquid outlet and a liquid return port for outputting and inputting the liquid medium;
The energy storage cabinet comprises a PCS energy storage converter and at least one battery pack module;
The liquid outlet, the battery pack module and the liquid return port are communicated through a first pipeline to form a first temperature regulating loop, so that the battery pack module and the liquid medium are subjected to heat exchange through the first temperature regulating loop to regulate the temperature of the battery pack module;
The liquid outlet, the PCS energy storage converter and the liquid return port are communicated through a second pipeline to form a second temperature regulating loop, so that the PCS energy storage converter exchanges heat with the liquid medium through the second temperature regulating loop to regulate the temperature of the PCS energy storage converter.
It is worth mentioning that the first temperature regulating loop and the second temperature regulating loop can play a good role in regulating temperature, and the continuous flow of the liquid medium in the loops exchanges heat with the PCS energy storage converter and the battery pack module, so that the heat management technology has better temperature regulating effect and efficiency compared with the heat management technology in an air cooling mode.
In some embodiments, the first pipeline comprises at least one first liquid outlet pipe and a plurality of first auxiliary liquid pipes communicated with the first liquid outlet pipe, the first liquid outlet pipe is connected with the liquid outlet,
The plurality of first auxiliary liquid pipes are respectively and correspondingly connected with the battery pack modules, and each battery pack module is correspondingly connected with at least two first auxiliary liquid pipes for inputting and outputting liquid media, so that the liquid media can flow through the corresponding battery pack modules through the first auxiliary liquid pipes.
The combination of the first liquid outlet pipe and the first auxiliary liquid pipe can achieve good flow distribution and flow equalization effects, so that the temperature adjustment of the battery pack module is more balanced, and the overall stability of the device is guaranteed.
In some embodiments, the first pipeline further comprises a first liquid return pipe, and the first liquid return pipe is connected to the liquid return port;
Each battery pack module is provided with a medium outlet and a medium inlet, the medium outlet is communicated with the medium inlet, a plurality of first auxiliary liquid pipes are respectively connected to the corresponding medium outlet and the medium inlet, the first auxiliary liquid pipe close to one side of the medium outlet is communicated with the first liquid return pipe, and the first auxiliary liquid pipe close to the medium inlet is communicated with the first liquid outlet pipe so as to realize the diversion of liquid medium.
In some embodiments, the second pipeline includes a second liquid outlet pipe and a second liquid return pipe, a water inlet port and a water return port are arranged on the PCS energy storage converter, two ends of the second liquid outlet pipe are respectively connected with the liquid outlet port and the water inlet port, and two ends of the second liquid return pipe are respectively connected with the liquid return port and the water return port.
In some embodiments, the first liquid outlet pipe is connected to the second liquid outlet pipe through a first shunt valve, and the first liquid return pipe is connected to the second liquid return pipe through a second shunt valve, so that the flow condition of the liquid medium in the first pipeline or the second pipeline can be adjusted by operating the first shunt valve or the second shunt valve.
It can be understood that the first shunt valve and the second shunt valve are arranged to achieve a certain control effect, the first pipeline or the second pipeline can be subjected to the passage or the circuit breaking operation according to specific conditions, the management of operators can be facilitated, the temperature adjustment is more targeted, and the temperature adjustment efficiency is improved.
In some embodiments, the number of battery pack modules is greater than two;
The first drain pipe is communicated with the plurality of first auxiliary liquid pipes through auxiliary shunt valves, the battery pack modules are arranged in parallel along the height direction of the energy storage cabinet, and the auxiliary shunt valves are used for adjusting the conduction or isolation conditions of the plurality of first auxiliary liquid pipes so as to correspondingly adjust the temperature of the battery pack modules.
It should be noted that, similar to the above-mentioned first diverter valve and other structures, the auxiliary diverter valve herein can make the liquid medium more uniform when passing into the first auxiliary liquid pipe from the first drain pipe, and can control the conduction state of one or several first auxiliary liquid pipes independently or in combination, so that the temperature adjusting device has more operability.
In some embodiments, the plurality of battery pack modules are connected in series to the high-voltage control box, and the PCS energy storage converter includes a dc side and an ac output side, the dc side is connected to the high-voltage control box, and the ac output side is connected to the ac distribution box, so that when charging, the ac power provided by the ac distribution box is converted into dc power by the PCS energy storage converter and is transmitted to the battery pack modules, and when discharging, the dc power provided by the battery pack modules is converted into ac power by the PCS energy storage converter and is transmitted to the ac distribution box.
It should be noted that, through setting up PCS energy storage converter and having realized the two-way flow of electric energy between exchange block terminal and the battery package module, make attemperator can have multiple power supply modes such as electric wire netting power supply, battery power supply, electric wire netting battery combination power supply, make the power supply form more diversified, also can store unnecessary electric quantity when the electric quantity is abundant in addition to discharge when the electric quantity is not enough and reach energy-conserving, saving electric quantity cost's effect.
In some embodiments, the ac output side includes a grid-connected end and an off-grid end;
The grid-connected end is connected with the alternating-current distribution box, and the off-grid end is connected with the temperature adjusting unit and used for driving the temperature adjusting unit to convey the liquid medium.
The temperature regulating unit is connected with the off-grid end of the alternating current output side, so that the stability and reliability of power supply are guaranteed to a certain extent, direct current provided by the battery pack module can be obtained in off-grid operation, and continuous power supply of the temperature regulating unit is realized through conversion of the PCS energy storage converter.
In some embodiments, the liquid medium includes a cooling medium and a heating medium, which are separated by a partition into two medium storage chambers provided in the temperature control unit.
It can be understood that the low-temperature environment may have a certain influence on the components such as the battery pack module and the PCS energy storage converter, so that the components cannot be started normally, and when the low-temperature environment is achieved, a heating medium can be controlled to flow through the temperature regulating pipeline to heat the components, so that the components are heated to reach a normal working temperature; and when the high-temperature environment is similar, the cooling medium is controlled to cool and dissipate heat of the components, so that the normal operation of the whole device is ensured.
In another aspect of the present utility model, there is also provided an industrial and commercial energy storage cabinet comprising:
the cabinet body and the temperature adjusting device are arranged in the cabinet body.
Compared with the prior art, the temperature regulating device and the industrial and commercial energy storage cabinet provided by the utility model have the following beneficial effects:
1. according to the temperature adjusting device and the industrial and commercial energy storage cabinet provided by the utility model, the liquid medium is conveyed through the first temperature adjusting loop and the second temperature adjusting loop which are arranged in the temperature adjusting device, and the continuous flow of the liquid medium in the loops exchanges heat with the PCS energy storage converter and the battery pack module, so that the temperature adjusting device has better temperature adjusting effect and efficiency compared with the heat management technology in an air cooling mode.
2. According to the temperature adjusting device and the industrial and commercial energy storage cabinet, the first liquid outlet pipe and the first auxiliary liquid pipe are arranged to achieve a good diversion effect, so that the temperature adjusting effect of the battery pack module is more balanced, and a large-scale temperature difference is not easy to generate.
3. According to the temperature regulating device and the industrial and commercial energy storage cabinet, the split valve is arranged, and an operator can control the flowing condition of a liquid medium by adjusting the opening degree of the split valve, so that the temperature regulation is more targeted and diversified.
4. According to the temperature adjusting device and the industrial and commercial energy storage cabinet provided by the utility model, the PCS energy storage converter realizes bidirectional flow of electric energy between the alternating-current distribution box and the battery pack module, so that the temperature adjusting device can have various power supply modes such as power grid power supply, battery power supply, combined power supply and the like, and can store redundant electric quantity when the electric quantity is sufficient, and discharge when the electric quantity is insufficient so as to achieve the effects of saving energy and saving electric quantity cost.
Drawings
The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.
FIG. 1 is a schematic overall construction of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is an enlarged view of a portion of one embodiment of the present utility model;
FIG. 4 is a schematic block diagram of another embodiment of the present utility model;
fig. 5 is a schematic diagram of a commercial energy storage cabinet in accordance with one embodiment of the utility model.
Reference numerals illustrate: a cabinet body 1; a battery compartment 2; a battery pack module 21; a battery pack module 211; a battery pack number two module 212; a battery pack module No. 213; a battery pack module No. 214; an n-size battery pack module 215; an electrical bin 3; a PCS energy storage converter 31; a temperature control unit 32; a liquid outlet 320; a liquid return port 321; a high-pressure control box 4; an ac distribution box 5; a first liquid outlet pipe 61; a first return pipe 62; a first auxiliary liquid pipe 63; a second liquid outlet pipe 71; a second return line 72; a front cover 8; a rear cover 9.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In addition, in the description of the present application, the terms "first," "second," "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In an embodiment, referring to fig. 1 and 2 of the specification, a temperature adjusting device provided by the utility model is described, the temperature adjusting device does not need to adopt an air-cooled battery thermal management technology, and a smart temperature adjusting circuit is arranged, so that a good temperature management effect can be achieved, and normal operation of an energy storage cabinet is ensured.
Referring to fig. 3 and 4 of the specification, the temperature adjusting device provided by the utility model comprises a temperature adjusting unit 32, wherein the temperature adjusting unit 32 is used for providing a liquid medium, the temperature adjusting unit 32 is provided with a liquid outlet 320 and a liquid return port 321 for outputting and inputting the liquid medium, and the energy storage cabinet comprises a PCS energy storage converter 31 and a plurality of battery pack modules 21.
The liquid outlet 320, the plurality of battery pack modules 21, and the liquid return 321 are connected through a first pipeline to form a first temperature adjusting circuit, so that the plurality of battery pack modules 21 exchange heat with the liquid medium through the first temperature adjusting circuit to adjust the temperature of the plurality of battery pack modules 21.
Further, the liquid outlet 320, the PCS energy storage converter 31 and the liquid return port 321 are communicated through a second pipeline to form a second temperature regulating loop, so that the PCS energy storage converter 31 exchanges heat with the liquid medium through the second temperature regulating loop to regulate the temperature of the PCS energy storage converter 31.
It should be noted that the first temperature adjusting circuit and the second temperature adjusting circuit can perform a good temperature adjusting function, and perform heat exchange with the PCS energy storage converter 31 and the battery pack module 21 through continuous flow of the liquid medium in the circuits, so that the heat adjusting circuit has better temperature adjusting effect and efficiency compared with a heat management technology in an air cooling mode.
It can be understood that the liquid medium continuously flows and exchanges heat with related components in the energy storage cabinet, so that the liquid cooling effect is achieved, and compared with the traditional air cooling mode, the liquid cooling heat dissipation capacity is better, the liquid cooling heat dissipation device is suitable for more diversified working scenes, the heat dissipation efficiency can be improved, and the reliability of the whole device is stronger; and the number of the battery pack modules 21 is variable, and may be set to one or more according to specific requirements.
It should be noted that, in fig. 4, the number and the naming of the first battery pack module 211, the second battery pack module 212, the third battery pack module 213, the fourth battery pack module 214, and the n battery pack module 215 may be changed according to the specific situation, and the n battery pack module 215 represents that the number of the battery pack modules 21 may be increased or decreased accordingly.
In one embodiment, the first pipeline includes at least one first liquid outlet pipe 61 and a plurality of first auxiliary liquid pipes 63 connected to the first liquid outlet pipe 61, the first liquid outlet pipe 61 is connected to the liquid outlet 320, the plurality of first auxiliary liquid pipes 63 are respectively connected to the battery pack modules 21, and at least two first auxiliary liquid pipes 63 are respectively connected to each battery pack module 21 for inputting and outputting a liquid medium, so that the liquid medium can flow through the plurality of battery pack modules 21 through the first auxiliary liquid pipes 63.
It should be noted that the combination of the first liquid outlet pipe 61 and the first auxiliary liquid pipe 63 can achieve better flow splitting and flow equalizing effects, so that it is easy to understand that the liquid medium flows through the flow splitting structure when flowing to perform heat exchange, so that the temperature of the liquid medium flowing into each battery pack module 21 is equal, the temperature adjustment of a plurality of battery pack modules 21 is more balanced, the temperature difference between each battery pack module 21 is not easy to be caused, and the overall stability of the device can be ensured.
In addition, in other embodiments, the temperature adjusting unit 32 is disposed at the bottom of the energy storage cabinet, so as to facilitate the replacement of the liquid medium by an operator, thereby improving certain convenience.
In one embodiment, the first pipeline further comprises a first liquid return pipe 62, and the first liquid return pipe 62 is connected to the liquid return port 321; each battery pack module 21 is provided with a medium outlet and a medium inlet, the medium outlet and the medium inlet are communicated, a plurality of first auxiliary liquid pipes 63 are respectively connected to the corresponding medium outlet and medium inlet, the first auxiliary liquid pipe 63 close to one side of the medium outlet is communicated with the first liquid return pipe 62, and the first auxiliary liquid pipe 63 close to the medium inlet is communicated with the first liquid outlet pipe 61 for realizing the diversion of liquid medium.
The battery pack module 21 is internally provided with a containing chamber, and the medium outlet and the medium inlet are communicated with the containing chamber, so that the liquid medium can flow through the containing chamber and has a temperature adjusting function on the battery pack module 21, and the containing chamber can be understood as a flow passage of the liquid medium.
The first auxiliary liquid pipe 63 in this embodiment can adapt to various scenes and runner situations, and under the condition that the technical effect of this embodiment is not affected, a targeted design can be appropriately made for the structure of the accommodating chamber, for example, a wavy runner or a fully-enclosed runner, which is beneficial to improving the contact area between the liquid medium and the inner core of the battery pack module 21, but the specific shape and number of the accommodating chambers are not limited here, and the shape of the runner formed by the accommodating chambers can be changed according to the requirements.
In another embodiment, the second pipeline includes a second liquid outlet pipe 71 and a second liquid return pipe 72, the pcs energy storage converter 31 is provided with a water inlet port and a water return port, two ends of the second liquid outlet pipe 71 are respectively connected with the liquid outlet 320 and the water inlet port, and two ends of the second liquid return pipe 72 are respectively connected with the liquid return port 321 and the water return port.
It can be understood that the liquid medium flows circularly through the liquid outlet 320 on the temperature adjusting unit 32, the second liquid outlet 71, the water inlet port on the PCS energy storage converter 31, the water return port on the PCS energy storage converter 31, and the liquid return port 321 on the temperature adjusting unit 32 in sequence, so as to achieve a better temperature adjusting effect; and in some embodiments, a fluid channel matched with the liquid medium may be arranged inside the shell of the PCS energy storage converter 31 to conduct certain direction to the liquid medium.
In one embodiment, the first liquid outlet pipe 61 is connected to the second liquid outlet pipe 71 by a first shunt valve, and the first liquid return pipe 62 is connected to the second liquid return pipe 72 by a second shunt valve, so that the flow condition of the liquid medium in the first or second pipeline can be adjusted by operating the first or second shunt valve.
It can be understood that the first shunt valve and the second shunt valve are arranged to achieve a certain control effect, the first pipeline or the second pipeline can be subjected to the passage or the circuit breaking operation according to specific conditions, the management of operators can be facilitated, the temperature adjustment is more targeted, and the temperature adjustment efficiency is improved.
In one embodiment, the first liquid outlet pipe 61 and the plurality of first auxiliary liquid pipes 63 are communicated through an auxiliary flow dividing valve, and the plurality of battery pack modules 21 are arranged in parallel along the height direction of the energy storage cabinet, and the auxiliary flow dividing valve is used for adjusting the conduction or separation condition of the plurality of first auxiliary liquid pipes 63, so as to correspondingly adjust the temperature of the battery pack modules 21.
The structure of the present embodiment is similar to that of the first diverter valve described above, and the auxiliary diverter valve herein can make the liquid medium flowing into the first auxiliary liquid pipe 63 from the first liquid outlet pipe 61 more uniform, and can control the conduction state of one or more first auxiliary liquid pipes 63 independently or in combination, so that the temperature adjusting device has more operability.
And this embodiment can use with the above-mentioned first shunt valve, the structure combination of second shunt valve, add the shunt valve in the key position that components such as drain pipe, return liquid pipe are linked together, can play the effect of flow equalizing, can promote device's reliability again, for example, when producing weeping, seepage phenomenon at certain pipeline, when operating personnel maintains, can in time cut off the liquid medium through closing corresponding valve, thereby avoid the liquid medium to continue to flow through this runner and cause the inside continuous weeping of device and produce the potential safety hazard.
In one embodiment, as shown in fig. 2, a plurality of battery pack modules 21 are connected in series to the high voltage control box 4, and the PCS energy storage converter 31 includes a dc side and an ac output side, the dc side is connected to the high voltage control box 4, and the ac output side is connected to the ac distribution box 5, so that the ac power provided by the ac distribution box 5 is converted into the dc power by the PCS energy storage converter 31 when charging and is supplied to the battery pack modules 21, and the dc power provided by the battery pack modules 21 is converted into the ac power by the PCS energy storage converter 31 when discharging and is supplied to the ac distribution box 5.
It should be noted that, by setting the PCS energy storage converter 31, bidirectional electric energy flow between the ac distribution box 5 and the battery pack module 21 is realized, so that the temperature adjusting device can have multiple power supply modes such as power grid (distribution box) power supply, battery power supply, power grid battery combined power supply, and the like, so that the power supply mode is more diversified, and in addition, the device can store redundant electric quantity when the electric quantity is sufficient, and discharge when the electric quantity is insufficient to achieve the effects of saving energy and saving electric quantity cost.
In addition, in other embodiments, the high-voltage control box 4 is provided with an I-BMS intelligent battery management system, which can monitor the working and environmental temperature of the device in real time, and control the temperature regulating unit 32 and other devices to be opened and closed, so that the device is more automatic and intelligent, and other similar devices which can perform the monitoring and control functions can be installed in the same way, which is not an example here, but the improvement shall also be included in the protection scope of the present utility model.
In another embodiment, the ac output side includes a grid-connected end and an off-grid end; the grid-connected end is connected with the alternating current distribution box 5, and the off-grid end is connected with the temperature regulating unit 32 and is used for driving the temperature regulating unit 32 to convey the liquid medium.
The temperature adjusting unit 32 is connected with the off-grid end of the ac output side, so that stability and reliability of power supply are guaranteed to a certain extent, and direct current provided by the battery pack module 21 can be obtained in off-grid operation and continuous power supply of the temperature adjusting unit 32 can be realized through conversion of the PCS energy storage converter 31.
It should be noted that in this embodiment, the I-BMS intelligent battery management system may still be disposed in the high-voltage control box 4, so as to detect data through the electric meter at the power grid side and detect the power supply state of the power grid in real time, so that the power supply mode of the temperature regulating unit 32 may be timely adjusted, and the safety and the running stability of the device are ensured to the greatest extent.
In one embodiment, the liquid medium includes a cooling medium and a heating medium that are separated by a partition into two medium storage chambers disposed within the tempering unit 32.
It can be appreciated that the low temperature environment may have a certain influence on the components such as the battery pack module 21 and the PCS energy storage converter 31, so that the components cannot be started normally, and when the low temperature environment is provided, the heating medium can be controlled to flow through the temperature adjusting pipeline to heat the components, so that the components are heated to reach the normal working temperature; and when the high-temperature environment is similar, the cooling medium is controlled to cool and dissipate heat of the components, so that the normal operation of the whole device is ensured.
In addition, the two medium storage cavities respectively store the cooling medium and the heating medium, so that a cold source liquid outlet and a heat source liquid outlet matched with the cooling medium and the heating medium can be arranged at the corresponding positions of the temperature regulating unit 32, and the two liquid outlets are communicated with the first liquid outlet pipe 61 through a three-way valve to form a liquid outlet structure with branches, so that the temperature regulating unit is more convenient to manage; the three-way valve can also be a three-way electromagnetic valve, and the electromagnetic coil can be operated to switch on and off the valve, so that the type of liquid medium can be correspondingly adjusted, and the labor cost is reduced.
In one embodiment, referring to fig. 5 of the specification, according to another aspect of the present utility model, the present utility model further provides an industrial and commercial energy storage cabinet, including a cabinet body 1 and a temperature adjusting device as described above, where the temperature adjusting device is disposed in the cabinet body 1, and a front cover 8 and a rear cover 9 may be disposed on the cabinet body 1 to protect components in the cabinet body 1.
And the cabinet body 1 is distinguished into a battery compartment 2 and an electric compartment 3, wherein the battery compartment 2 is used for installing a battery pack module 21, and the electric compartment 3 is used for installing a PCS energy storage converter 31 and a temperature regulating unit 32.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A temperature regulating device, characterized in that it is disposed in an energy storage cabinet, comprising:
The temperature adjusting unit is used for providing a liquid medium and is provided with a liquid outlet and a liquid return port for outputting and inputting the liquid medium;
The energy storage cabinet comprises a PCS energy storage converter and at least one battery pack module;
The liquid outlet, the battery pack module and the liquid return port are communicated through a first pipeline to form a first temperature regulating loop, so that the battery pack module and the liquid medium are subjected to heat exchange through the first temperature regulating loop to regulate the temperature of the battery pack module;
The liquid outlet, the PCS energy storage converter and the liquid return port are communicated through a second pipeline to form a second temperature regulating loop, so that the PCS energy storage converter exchanges heat with the liquid medium through the second temperature regulating loop to regulate the temperature of the PCS energy storage converter.
2. A temperature regulating device according to claim 1, wherein,
The first pipeline comprises at least one first liquid outlet pipe and a plurality of first auxiliary liquid pipes communicated with the first liquid outlet pipe, the first liquid outlet pipe is connected with the liquid outlet,
The plurality of first auxiliary liquid pipes are respectively and correspondingly connected with the battery pack modules, and each battery pack module is correspondingly connected with at least two first auxiliary liquid pipes for inputting and outputting liquid media, so that the liquid media can flow through the corresponding battery pack modules through the first auxiliary liquid pipes.
3. A temperature regulating device according to claim 2, wherein,
The first pipeline further comprises a first liquid return pipe, and the first liquid return pipe is connected with the liquid return port;
Each battery pack module is provided with a medium outlet and a medium inlet, the medium outlet is communicated with the medium inlet, a plurality of first auxiliary liquid pipes are respectively connected to the corresponding medium outlet and the medium inlet, the first auxiliary liquid pipe close to one side of the medium outlet is communicated with the first liquid return pipe, and the first auxiliary liquid pipe close to the medium inlet is communicated with the first liquid outlet pipe so as to realize the diversion of liquid medium.
4. A temperature regulating device according to claim 3, wherein,
The second pipeline comprises a second liquid outlet pipe and a second liquid return pipe, a water inlet port and a water return port are formed in the PCS energy storage converter, two ends of the second liquid outlet pipe are respectively connected with the liquid outlet port and the water inlet port, and two ends of the second liquid return pipe are respectively connected with the liquid return port and the water return port.
5. A temperature regulating device according to claim 4, wherein,
The first liquid outlet pipe is connected with the second liquid outlet pipe through a first flow dividing valve, and the first liquid return pipe is connected with the second liquid return pipe through a second flow dividing valve, so that the flow condition of the liquid medium in the first pipeline or the second pipeline can be adjusted by operating the first flow dividing valve or the second flow dividing valve.
6. A temperature regulating device according to claim 2, wherein,
The number of the battery pack modules is greater than two;
The first drain pipe is communicated with the plurality of first auxiliary liquid pipes through auxiliary shunt valves, the battery pack modules are arranged in parallel along the height direction of the energy storage cabinet, and the auxiliary shunt valves are used for adjusting the conduction or isolation conditions of the plurality of first auxiliary liquid pipes so as to correspondingly adjust the temperature of the battery pack modules.
7. A temperature regulating device according to any one of claims 1-6,
Each battery pack module is sequentially connected in series to a high-voltage control box, the PCS energy storage converter comprises a direct current side and an alternating current output side, the direct current side is connected to the high-voltage control box, the alternating current output side is connected to an alternating current distribution box, so that alternating current provided by the alternating current distribution box is converted into direct current and is transmitted to the battery pack module through the PCS energy storage converter when the battery pack module is charged, and direct current provided by the battery pack module is converted into alternating current and is transmitted to the alternating current distribution box through the PCS energy storage converter when the battery pack module is discharged.
8. A temperature regulating device according to claim 7, wherein,
The alternating current output side comprises a grid-connected end and a grid-off end;
The grid-connected end is connected with the alternating-current distribution box, and the off-grid end is connected with the temperature adjusting unit and used for driving the temperature adjusting unit to convey the liquid medium.
9. A temperature regulating device according to claim 1, wherein,
The liquid medium comprises a cooling medium and a heating medium, and the cooling medium and the heating medium are separated into two medium storage cavities arranged in the temperature regulating unit through a partition plate.
10. An industrial and commercial energy storage cabinet, comprising:
A cabinet body;
A thermostat according to any one of claims 1-9, said thermostat being arranged within said cabinet body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322486269.2U CN220895639U (en) | 2023-09-13 | 2023-09-13 | Temperature regulating device and industrial and commercial energy storage cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322486269.2U CN220895639U (en) | 2023-09-13 | 2023-09-13 | Temperature regulating device and industrial and commercial energy storage cabinet |
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| CN202322486269.2U Active CN220895639U (en) | 2023-09-13 | 2023-09-13 | Temperature regulating device and industrial and commercial energy storage cabinet |
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