CN217468621U - Battery module, battery package and energy storage system - Google Patents
Battery module, battery package and energy storage system Download PDFInfo
- Publication number
- CN217468621U CN217468621U CN202123405576.0U CN202123405576U CN217468621U CN 217468621 U CN217468621 U CN 217468621U CN 202123405576 U CN202123405576 U CN 202123405576U CN 217468621 U CN217468621 U CN 217468621U
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- battery
- cavity
- flow channel
- battery module
- energy storage
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- 238000004146 energy storage Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
Images
Classifications
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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
Abstract
The technical scheme of the invention provides a battery module, which comprises a shell, a plurality of square batteries and a water flow channel, wherein the square batteries are arranged in the shell; the water flow channel is provided with a socket corresponding to the water inlet and the water outlet, and the square battery is inserted in the water flow channel. The invention also provides a battery pack and an energy storage system with the battery module, and the battery module can quickly dissipate heat or raise the temperature, so that the influence of insufficient heat dissipation or over-low temperature on the normal use of the energy storage system can be avoided.
Description
Technical Field
The utility model relates to a battery technology field, concretely relates to battery module, battery package and energy storage system.
Background
With the great application of batteries in production and life, the problem of battery safety becomes a topic of concern. During the charging and discharging process of the battery, if the heat dissipation is not timely and light, the performance of the battery is reduced, the service life of the battery is reduced, and if the heat dissipation is not timely and light, the battery is broken, smokes and explodes. At present, air heat dissipation is mainly adopted for heat management of the battery, and the efficiency is low; or liquid cooling is carried out at the bottom of the battery pack in a coil pipe cooling mode, so that the heat dissipation path is long, and the heat dissipation efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a battery module, battery package and energy storage system, aim at solving above-mentioned at least one technical problem. In order to achieve the above object, the utility model provides a battery module, include:
a housing;
the square batteries are arranged in the shell and comprise electrolyte, a battery shell and a battery core, the electrolyte and the battery core are arranged in the battery shell, and the battery shell comprises a cover plate, a bottom plate and a soaking heat dissipation cavity; the soaking and heat dissipating cavity is provided with a first cavity, a second cavity, a third cavity and a fourth cavity; a water inlet and a water outlet are formed in the bottom plate, the water inlet and the water outlet are arranged corresponding to the bottoms of the first chamber and the second chamber, and heat transfer working media are filled in the third chamber and the fourth chamber;
the water flow channel is hollow, one end of the water flow channel is closed, the other end of the water flow channel is provided with an external interface, the water flow channel is provided with a socket corresponding to the water inlet and the water outlet, and the battery is inserted into the socket of the water flow channel.
Preferably, partition strips are arranged in the first cavity and the second cavity, and the positions, close to the cover plate, of the partition strips are vacant.
Preferably, the heat transfer working medium is a gas, a liquid or a mixture of gas and liquid.
Preferably, partition strips are arranged in the third chamber and the fourth chamber.
Preferably, the partition strips in the third chamber and the fourth chamber are in a shape of one or a mixture of strips, ribbons and sawteeth.
Preferably, a flexible insulating heat conduction layer is clamped between the batteries to play roles in buffering, insulating and heat conducting.
Preferably, the socket is provided with a sealing ring, and when the plug is inserted into the water inlet/outlet, the sealing ring plays a role in sealing and preventing water.
Preferably, the water flow channel is arranged on a flat plate and plays a role of stabilizing the module.
The utility model discloses still provide a battery package, be range upon range of or set up side by side including at least two the battery module.
The utility model also provides an energy storage system, include the battery package, energy storage system is wind-powered electricity generation energy storage system, solar energy storage system or electric wire netting energy storage system.
The utility model provides a battery module, including the shell, a plurality of square batteries and rivers passageway, the battery is installed in the shell, the battery casing includes first cavity, second cavity, third cavity and fourth cavity, first cavity and second cavity lower part are provided with water inlet and delivery port, it has heat transfer working medium to fill in third cavity and the fourth cavity; the water flow channel is provided with a socket corresponding to the water inlet and the water outlet, and the battery is inserted in the water flow channel. The square battery shell in the battery module can rapidly absorb heat generated by the battery in the charging and discharging process and evenly spread, the water flow channel is communicated with the first cavity and the second cavity, and the coolant can conduct the heat away in the movement of the water flow channel and the first cavity and the second cavity, so that the rapid heat dissipation and temperature rise of the battery module are realized. The utility model discloses still provide the battery package and the energy storage system that have this battery module, because this battery module can dispel the heat fast or heat up, can avoid energy storage system to cross low influence normal use because of the heat dissipation is not enough or the temperature.
Drawings
Fig. 1 is an exploded view of a battery module according to an embodiment of the present invention.
Fig. 2 is an exploded view of the prismatic battery of fig. 1.
Wherein: 10-square battery, 1-cover plate, 11-first polarity terminal, 12-second polarity terminal, 13-liquid injection hole, 2-soaking heat dissipation cavity, 21-first cavity, 211-first partition strip, 22-second cavity, 221-second partition strip, 23-third cavity, 231-third partition strip, 24-fourth cavity, 241-fourth partition strip, 25-cavity, 3-bottom plate, 31-first water inlet, 32-first water outlet, 33-second water inlet, 34-second water outlet, 4-electric core, 41-first tab, 42-second tab, 5-first water flow channel, 51-first external port, 52-first socket, 53-second socket, 6-second water flow channel, 61-a second external interface, 62-a third socket, 63-a fourth socket, 7-a flexible insulating heat-conducting layer, 81-a front end plate, 82-a first side plate, 83-a second side plate, 84-a rear end plate, 85-a bearing plate and 86-a top cover.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will make a further detailed description of the technical solutions of the embodiments of the present invention with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
It should be noted that, if the embodiments of the present invention refer to the description of "first", "second", etc., the description of "first", "second", etc. is only used for descriptive purposes and is not to be interpreted as only or implying relative importance or implicit indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a battery module, please refer to fig. 1, the battery module includes shell, a plurality of square battery 10 and rivers passageway. A plurality of prismatic batteries 10 are mounted in the case to prevent the batteries 10 from being collided and interfered with by the external environment.
The shell comprises a front end plate 81, a first side plate 82, a second side plate 83, a rear end plate 84 and a top cover 86, wherein the front end plate 81 is parallel to the rear end plate 84, the first side plate 82 is parallel to the second side plate 83, the front end plate 81, the first side plate 82, the second side plate 83 and the rear end plate 84 are mutually fastened and connected to form a hollow cavity, and the square battery 10 is covered with the top cover 86 and then covered outside the square battery 10 to protect the square battery 10.
The structure of the square battery 10 is shown in fig. 2, the square battery 10 includes a battery case, an electrolyte (not shown) and a battery cell 4, the battery cell 4 is installed in the battery case, the battery case includes a cover plate 1, a uniform heat dissipation cavity 2 and a bottom plate 3, and the uniform heat dissipation cavity 2 is provided with a first cavity 21, a second cavity 22, a third cavity 23 and a fourth cavity 24; the bottom plate 3 is provided with a water inlet and a water outlet, the lower part of the first chamber 21 corresponds to a first water inlet 31 and a first water outlet 32 on the bottom plate 3, the lower part of the second chamber 22 corresponds to a second water inlet 33 and a second water outlet 34 on the bottom plate 3, and heat transfer working media are sealed in the third chamber and the fourth chamber.
In this embodiment, including first partition strip 211 in first cavity 21, including second partition strip 221 in the second cavity 22, first partition strip 211 and second partition strip 221 play the effect of supporting battery case with battery case's inside and outside two-layer board zonulae occludens, and first partition strip 211 and second partition strip 221 have the vacancy near the one end of apron 1, are convenient for the interior fluid flow of cavity. Of course, in other embodiments, the partition bars may be absent from the first and second chambers 21 and 22.
The water flow channel is hollow and strip-shaped, one end of the water flow channel is closed, and the other end of the water flow channel is provided with an external interface. In this embodiment, the rivers passageway includes first rivers passageway 5 and second rivers passageway 6, and first rivers passageway 5 and second rivers passageway 6 are rectangular shape, are provided with first external tapping 51, first socket 52 and second socket 53 on the first rivers passageway 5, are provided with second external tapping 61, third socket 62 and fourth socket 63 on the second rivers passageway 6, first water inlet 31, first delivery port 32 correspond first socket 52, second socket 53 respectively, second water inlet 33, second delivery port 34 correspond third socket 62, fourth socket 63 respectively, the sealing washer has on the socket, the plug inserts during water inlet/delivery port, the sealing washer plays sealed waterproof effect.
In this embodiment, the first water flow channel 5 and the second water flow channel 6 are disposed on a flat plate, that is, the bearing plate 85, the first external interface 51 and the second external interface 61 are disposed on the same side of the flat plate, and the first water flow channel 5 and the second water flow channel 6 are disposed on a flat plate, which increases the stability of the module.
It should be noted that the heat transfer working medium filled in the third chamber 23 and the fourth chamber 24 may be gas or liquid or a mixture of gas and liquid, such as water, oil, alcohol, etc. The battery shell filled with the heat transfer working medium has the characteristics of heat absorption, high heat transfer rate and good temperature uniformity. The square battery 10 is suitable for operating at a temperature of 20-50 deg.c, and when the temperature of the square battery 10 is higher than 50 deg.c, the square battery 10 needs to be cooled, so that the cooling medium enters the first water flow channel 5 from the first external port 51, then enters the first chamber 21 through the first insertion opening 52 under the action of pressure, flows through the vacancy on the first partition strip 211, finally flows out of the second insertion opening 53, and meanwhile, the refrigerant enters the second water flow channel 6 from the second outer connector 61, enters the second chamber 22 through the third inserting opening 62 under the action of pressure, flows through the vacancy on the second partition strip 221, and finally flows out of the fourth inserting opening 63, the heat absorbed by the battery core 4 in the third chamber 23 and the fourth chamber 24 is spread out and conducted into the first chamber 21 and the second chamber 22, the refrigerant absorbs the heat of the first chamber 21 and the second chamber 22 and then flows out, so that the aim of cooling is fulfilled; when the temperature of the square battery 10 is lower than 20 ℃, the battery needs to be heated, so that hot water is introduced into the first chamber 21 and the second chamber 22, heat is transferred to the third chamber 23 and the fourth chamber 24, and the interior of the battery is heated, so as to achieve the purpose of heating.
Still be provided with the partition strip in third chamber 23 and the fourth chamber 24, the interior outer panel zonulae occludens of partition strip and battery housing 10 plays the effect of supporting battery housing and guaranteeing the homogeneity of cavity heat transfer, the partition strip is one kind or several kinds in strip, ribbon or the cockscomb structure and mixes, and in this embodiment, the third partition strip 231 of third chamber 23 and the fourth partition strip 241 of fourth chamber 24 are the strip. Of course, in other embodiments, the third partition bar 231 and the fourth partition bar 241 may have other shapes, and the present invention is not limited thereto.
Referring to fig. 1, the square batteries 10 are inserted in a row in the water flow channel, the flexible insulating and heat conducting layer 7 is disposed between the square batteries 10, the flexible insulating and heat conducting layer 7 is clamped between adjacent square batteries 10, so as to facilitate heat transfer between the square batteries 10 and distribute heat, and the flexibility and the insulativity of the flexible insulating and heat conducting layer 7 can protect the square batteries 10 from collision and conductive interference. Since the heat conductive silica gel has good electrical conductivity and insulation performance, the heat conductive silica gel is usually used as a main material of the flexible insulation layer. Other flexible insulating materials or flexible phase-change materials with insulating property can also be adopted for the flexible insulating layer 5.
The utility model discloses still provide a battery package, be range upon range of or set up side by side including at least two the battery module.
The utility model discloses still provide an energy storage system. The energy storage system comprises the battery pack. Since the energy storage system adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and the details are not repeated again. It can be understood that the energy storage system may be a wind power energy storage system, a solar energy storage system, or a grid energy storage system, etc.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be accomplished by those skilled in the art without departing from the spirit and scope of the present invention shall be covered by the appended claims.
Claims (10)
1. A battery module characterized by comprising:
a housing;
the square batteries are arranged in the shell and comprise electrolyte, a battery shell and a battery core, the electrolyte and the battery core are arranged in the battery shell, and the battery shell comprises a cover plate, a bottom plate and a soaking heat dissipation cavity; the soaking and heat dissipating cavity is provided with a first cavity, a second cavity, a third cavity and a fourth cavity; a water inlet and a water outlet are formed in the bottom plate, the water inlet and the water outlet are arranged corresponding to the bottoms of the first chamber and the second chamber, and heat transfer working media are filled in the third chamber and the fourth chamber;
the water flow channel is hollow, one end of the water flow channel is closed, the other end of the water flow channel is provided with an external interface, the water flow channel is provided with a socket corresponding to the water inlet and the water outlet, and the battery is inserted into the socket of the water flow channel.
2. The battery module according to claim 1, wherein a partition strip is disposed in the first and second chambers, and the partition strip is vacant near the cover plate.
3. The battery module according to claim 2, wherein the heat transfer medium is a gas, a liquid, or a mixture of a gas and a liquid.
4. The battery module according to claim 3, wherein partition bars are disposed in the third and fourth chambers.
5. The battery module according to claim 4, wherein the partition bars in the third and fourth chambers are in the form of one or more of strips, ribbons, or serrations.
6. The battery module according to claim 4 or 5, wherein a flexible insulating and heat conducting layer is arranged between the batteries and plays roles of buffering, insulating and conducting heat.
7. The battery module as set forth in claim 6, wherein the socket has a sealing ring thereon, and the sealing ring plays a role of sealing and waterproofing when the battery is inserted into the water inlet/outlet.
8. The battery module according to claim 7, wherein the water flow channel is provided on a flat plate to serve as a stabilizing module.
9. A battery pack comprising at least two battery modules according to any one of claims 1 to 8 stacked or arranged side by side.
10. An energy storage system, comprising the battery pack of claim 9, wherein the energy storage system is a wind power energy storage system, a solar energy storage system, or a grid energy storage system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123405576.0U CN217468621U (en) | 2021-12-31 | 2021-12-31 | Battery module, battery package and energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123405576.0U CN217468621U (en) | 2021-12-31 | 2021-12-31 | Battery module, battery package and energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217468621U true CN217468621U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123405576.0U Active CN217468621U (en) | 2021-12-31 | 2021-12-31 | Battery module, battery package and energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217468621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124584A1 (en) * | 2021-12-31 | 2023-07-06 | 重庆三峡时代能源科技有限公司 | Square case and square battery |
-
2021
- 2021-12-31 CN CN202123405576.0U patent/CN217468621U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124584A1 (en) * | 2021-12-31 | 2023-07-06 | 重庆三峡时代能源科技有限公司 | Square case and square battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 400000 No. 107, datagu Middle Road, Xiantao street, Yubei District, Chongqing Patentee after: Chongqing Gengchen Energy Technology Co.,Ltd. Country or region after: China Address before: 400000 No. 107, datagu Middle Road, Xiantao street, Yubei District, Chongqing Patentee before: Chongqing Three Gorges Times Energy Technology Co.,Ltd. Country or region before: China |