CN112531279A - Explosion-proof battery power supply - Google Patents
Explosion-proof battery power supply Download PDFInfo
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- CN112531279A CN112531279A CN202011197343.3A CN202011197343A CN112531279A CN 112531279 A CN112531279 A CN 112531279A CN 202011197343 A CN202011197343 A CN 202011197343A CN 112531279 A CN112531279 A CN 112531279A
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- box body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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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 application provides an explosion-proof battery power supply, which comprises a box body and an explosion-proof box body; the first area of the battery module in the box body comprises all electrodes, and the second area comprises all pressure release valves; the first pouring layer covers the first area, and a first opening of the first pouring layer corresponds to the pressure release valve so that the pressure release valve can exhaust gas through the first opening; and the gas treatment device is arranged in the box body and is used for treating gas released in the thermal runaway process of the battery module. Adopt gas processing apparatus to realize the gas treatment mechanism, effectively reduce the influence of battery thermal runaway release gas to box peripheral environment, promote the holistic safety in application of explosion-proof battery power, effectively reduce the realization cost and the weight of the explosion-proof mechanism of battery, and ensure when the explosive environment appears except the battery module through the encapsulation processing, other expose the conductor all not electrified, thereby realize in time the contact of earth-break point flame retardant source and explosive gas, effectively promote economic nature and the explosion-proof control effect that the explosion-proof mechanism realized.
Description
Technical Field
The application relates to the technical field of battery safety application, in particular to an explosion-proof battery power supply.
Background
At present, a high-capacity explosion-proof battery power supply used in a coal mine is generally composed of a large number of single batteries, and a power supply box can contain and protect a battery pack. When extreme faults such as thermal runaway occur in the single battery, a large amount of gas can be generated and released, the released gas accumulates in the power box to cause the box to have the risk of explosive accidents due to overlarge pressure, great potential safety hazards are brought to the safe operation of the battery power supply, and no good solution is provided in the industry at present, and the problem needs to be solved urgently.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the purpose of this application is to provide an explosion-proof battery power, can realize the gas treatment mechanism to the box, effectively reduce the influence of battery thermal runaway release gas to box peripheral environment, promote the holistic safety in application of explosion-proof battery power, effectively reduce the realization cost and the weight of explosion-proof mechanism of battery, and ensure when explosive environment appears except the battery module through the encapsulation processing, other expose the conductor and all not electrified, thereby realize in time stopping the contact of ignition source and explosive gas, effectively promote economic nature and the explosion-proof control effect that explosion-proof mechanism realized.
In order to achieve the above object, an explosion-proof battery power supply provided by the embodiment of the present application includes: the explosion-proof box body is connected with the box body; the battery module is arranged in the box body and comprises a first area and a second area, the first area comprises all electrodes in the battery module, and the second area comprises all pressure relief valves in the battery module; the first pouring layer covers the first area of the battery module, and is provided with a first opening corresponding to the pressure release valve, so that the pressure release valve can exhaust gas through the first opening; the power supply control module is arranged in the explosion-proof box body; and the gas treatment device is arranged in the box body and is used for treating gas released in the thermal runaway process of the battery module.
The explosion-proof battery power supply provided by the embodiment of the application is characterized in that a box body and an explosion-proof box body connected with the box body are configured aiming at the explosion-proof battery power supply, a battery module is arranged in the box body, a first pouring sealing layer covers a first area of the battery module, and a gas processing device is arranged in the box body, used for processing the gas released in the thermal runaway process of the battery module, adopts the gas processing device to realize a gas processing mechanism, effectively reduces the influence of the gas released by the thermal runaway of the battery on the peripheral environment of the box body, improves the application safety of the whole power supply of the explosion-proof battery, effectively reduces the realization cost and the weight of the explosion-proof mechanism of the battery, ensures that the battery module is not only sealed when the explosive environment occurs, other exposed conductors are not electrified, so that the contact between the fire source and the explosive gas is timely blocked, and the economy and the explosion-proof control effect of the explosion-proof mechanism are effectively improved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an explosion-proof battery power supply according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a battery module according to another embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a power control module according to another embodiment of the present application;
fig. 4 is a schematic structural diagram of an explosion-proof battery power supply according to another embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
Fig. 1 is a schematic structural diagram of an explosion-proof battery power supply according to an embodiment of the present application.
Referring to fig. 1, the explosion-proof battery power supply 10 includes: the explosion-proof box body 12 is connected with the box body 11; a battery module 13 disposed in the case 11, wherein the battery module 13 includes a first region including all of the electrodes 131 in the battery module 13 and a second region including all of the pressure relief valves 132 in the battery module 13; a first potting layer 133 covering a first area of the battery module 13, the first potting layer 133 having a first opening corresponding to the pressure release valve 132 so that the pressure release valve 132 can release air through the first opening; and a power supply control module 14 disposed in the explosion-proof case 12; and a gas processing device 20 disposed in the case 11 for processing gas released during thermal runaway of the battery module 13.
In the gas treatment device 20 of the present embodiment, when the gas is released during the thermal runaway of the battery module, the gas treatment device can automatically treat all or a specific component in the released gas.
In the embodiment of the present application, the explosion-proof battery power supply 10 is exemplified by a lithium battery, or may be any other possible battery for coal mine underground operation, which is not limited to this.
The battery module 13 in this application embodiment disposes in box 11, and disposes the explosion-proof box 12 that links to each other with box 11, and dispose power control module 14 in this explosion-proof box 12, so that power control module 14 can control all on-off control unit disconnection, guarantee when explosive environment appears except the battery module 13 through the encapsulation, other exposed conductors are all not electrified, thereby the realization has blocked the contact of ignition source with explosive gas from the source. And only the box body configured with the power supply control module 14 is set as an explosion-proof box body, and the box body 11 configured with the battery module 13 is configured as a common box body, so that the implementation cost and weight of a battery explosion-proof mechanism can be effectively reduced, the isolation configuration of the power supply control module 14 and the battery module 13 is realized, and the economy of the implementation of the explosion-proof mechanism and the balance between explosion-proof control effects are effectively improved.
The explosion-proof case 12 may be welded to the case 11, or the explosion-proof case 12 may be welded to a side surface of the case 11, which is not limited thereto.
The battery module 13 may include a battery pack formed by connecting single lithium batteries in series or in parallel, and a battery pack management and protection unit configured to the battery pack, and the power control module 14 may include, for example, an electrical circuit switch unit and a communication circuit switch unit, referring to fig. 2, where fig. 2 is a schematic structural diagram of a battery module according to another embodiment of the present disclosure, and the battery module 13 includes: a battery pack 201 formed by connecting single lithium batteries in series or in parallel, and a battery pack management and protection unit 202 matched with the battery pack, referring to fig. 3, fig. 3 is a schematic structural diagram of a power supply control module according to another embodiment of the present application, and the power supply control module 14 may include, for example, an electrical circuit switch unit 301 and a communication circuit switch unit 302.
The electric circuit switch unit 301 and the communication circuit switch unit 302 in the power supply control module 14 are each configured by a certain number of relays, a certain number of fuses, and a manual mechanical switch.
When the concentration of the explosive dangerous mixture in the environment is detected to exceed the standard, the power supply control module 14 can control all the electric circuit switch units 301 and the communication circuit switch units 302 to be switched off, so that when the explosive environment occurs, except for the battery module 13 subjected to encapsulation treatment, other exposed conductors are not electrified, and the contact between an ignition source and the explosive gas is blocked from the source.
In some embodiments of the present application, referring to fig. 4, further comprising: and a second potting layer 134 covering at least a second region of the battery module 13, wherein the impact strength of the second potting layer 134 is smaller than the impact strength when the pressure release valve is opened, so that the pressure release valve 132 breaks the second potting layer 134 when the pressure is released.
In some embodiments of the present application, the second potting layer 134 also covers the first area, and the impact strength of the second potting layer 134 is less than the impact strength of the first potting layer 133.
It can be understood that if the battery module disposed in the box 11 fails to cause a thermal runaway accident, a large amount of gas, such as hydrogen, methane, ethylene, carbon monoxide, carbon dioxide, etc., may be released, and thus, in the embodiment of the present invention, the gas processing device 20 may be disposed in the box 11 to process the above-mentioned gas, such as hydrogen, methane, ethylene, carbon monoxide, carbon dioxide, etc., in time.
The gas processing apparatus 20 can process gas by physical adsorption principle, or can process gas by chemical reaction, for example, a material having gas adsorption function can be built in to adsorb gas. The material having the gas adsorption function may be a single material or a combination of multiple materials, and is not limited thereto.
In the embodiment of the application, the gas treatment device 20 is configured for the box body 11, so that the gas released by the battery module can be timely treated when the battery module is in a thermal runaway process, the detonation risk caused by instant enhancement of the internal pressure of the box body 11 is avoided, and the safety performance of the whole application of the anti-explosion battery power supply is improved.
Optionally, the gas processing device 20 is disposed on the box cover 102 of the box body 11, or disposed in the free space inside the box body 11, or disposed on the wall of the free space part inside the first explosion-proof box body, and the installation mode is flexible and has better practicability.
In some embodiments of the present application, referring to fig. 4, in fig. 4, two mounting locations of the gas treatment device 20 are shown, illustrated in phantom, including a first mounting location 210 and a second mounting location 220, the first mounting location 210 indicating: the gas processing device 20 is disposed on the cover 102 of the housing 11, and the second mounting position 220 indicates: the gas processing device 20 is provided in a free space inside the housing 11.
In other embodiments, the gas processing device 20 can be disposed on the wall of the free space portion of the first explosion-proof box, which is not limited to this.
In some embodiments of the present application, referring to fig. 4, a third encapsulation layer 135 covering the second encapsulation layer 134, wherein the third encapsulation layer 135 has a second opening at the position of the pressure relief valve 132, the second opening corresponds to the pressure relief valve 132, so that the pressure relief valve 132 can exhaust gas through the second opening, the impact strength of the third encapsulation layer 135 is greater than that of the first encapsulation layer 133, that is, the third encapsulation layer 135 is a layer of encapsulation layer covering the second encapsulation layer 134, and plays a role in protecting the second encapsulation layer 134 and the first encapsulation layer 133,
in some embodiments of the present application, the first, second and third potting layers 133, 134 and 135 are silicon gel or epoxy, or any other possible potting material, which is not limited in this respect.
It should be noted that in this embodiment of the application, the first potting layer 133 may be used to implement potting protection, or the combination of the first potting layer 133 and the second potting layer 134 may also be used to implement potting protection, or the combination of the first potting layer 133, the second potting layer 134, and the third potting layer 135 may also be used to implement potting protection, which is not limited herein.
In some embodiments of the present application, the first pouring layer 133, the second pouring layer 134, and the third pouring layer 135 are filled in the space between the side wall and the bottom of the battery module 13 and the box body 11, so that the battery module 13 is tightly attached to the box body and fixed, and thus, the pouring protection structure in the box body 11 has a better sealing effect, and the overall pouring protection effect of the explosion-proof battery power supply 10 is improved.
Through configuring first encapsulation layer 133, second encapsulation layer 134, third encapsulation layer 135 into silica gel or epoxy, can simplify the manufacturing process of encapsulation layer to can guarantee better encapsulation protection effect, have better practicality and suitability.
It can be understood that, generally, the main potential ignition source of the lithium battery is an electrified component (for example, the electrode 131 of the battery module 13 in the present application), that is, the positive and negative terminals of the single lithium battery in the battery module 13, therefore, in the present embodiment, by covering and disposing the first potting layer 133 in the first area of the battery module 13, the first potting layer 133 realizes effective protection of the corresponding electrode 131 portion of the single battery, and the second potting layer 134 at least covering the second area of the battery module 13 may also be disposed, and while the second potting layer 134 realizes protection of the first potting layer 133, the pressure release valve 132 portion is also protected, so that effective potting protection is realized.
For example, after the battery module 13 is mounted in the case 11 inside the explosion-proof housing, the battery module 13 and its support (the first support 40) are sealed with a sealing compound, the bottom and sides of the sealing compound are tightly bonded to the explosion-proof case 12 of the case 11, and a certain free space is present between the upper surface of the sealing compound and the case cover 102.
In the above-mentioned structural design of the anti-explosion battery power supply 10, the first encapsulation layer 133 disposed in the second region has a first opening corresponding to the pressure release valve 132, so that the pressure release valve 132 can release air through the first opening, and the explosive risk that the gas is sealed inside the encapsulation layer can be effectively avoided.
The above-mentioned impact strength who still disposes second encapsulation layer 134 is less than the impact strength when the relief valve is opened, so that second encapsulation layer 134 is broken when the relief valve 132 releases the pressure, destroy the second encapsulation layer 134's condition after relief valve 132 is opened, make the gas that produces arrange to the box after through the gas that relief valve 132 produced, the gas that is not handled by gas treatment device can be through the explosion-proof pressure relief device who sets up on box or the case lid (in this application embodiment, can set up explosion-proof pressure relief device, or also can not set up explosion-proof pressure relief device, do not do the restriction to this) discharge to the external environment of box 11, thereby avoided gas to gather in box 11 inside and lead to producing too high pressure and then destroy box 11, consequently can not lead to the fact explosive extreme harm to the external environment.
The structural design mode of the explosion-proof battery power supply 10 in the embodiment of the application, when the pressure release valve 132 of the battery module 13 is opened, even if the second pouring layer 134 is damaged by the generated pressure, the positive and negative terminals of the battery module 13 can still be effectively protected by the first pouring layer 133, the effective isolation of a potential ignition source and explosive gas is realized, the occurrence probability of accidents such as combustion and explosion is greatly reduced, and the safety protection performance of the explosion-proof battery power supply 10 is improved.
The impact strength of the third sealing layer 135 is configured to be greater than the impact strength of the first sealing layer 133, so that the third sealing layer 135 can form an outermost protection, that is, the third sealing layer 135 can further enhance the protection function of the first sealing layer 133, and due to the protection and reinforcement effects of the third sealing layer 135, the damage degree of the second sealing layer 134 can be effectively limited, that is, the damage part can be limited at the relief valve 132 to the maximum extent, so that the destructive influence on the first sealing layer 133 is reduced to a great extent, and the reliability of the sealing explosion-proof protection method is improved.
In some embodiments of the present application, referring to fig. 4, the case 11 comprises:
a case body 101 and an explosion-proof case body 104; case lid 102 and explosion-proof case lid 105 of setting respectively on box body 101 and explosion-proof box body 104, wherein, case lid 102 and explosion-proof case lid 105 link to each other with box body 101 and explosion-proof box body 104 through bolt 103, and have the free space between the upper surface of the encapsulation layer that covers battery module 13 in the box 11 and case lid 102, thereby promote whole explosion-proof battery power 10's sealing performance, and give certain buffer space of gaseous gathering of pressure, it is too sensitive to avoid triggering of explosion-proof protection mechanism, and, through providing this free space, can also the auxiliary configuration some other parts (for example pressure sensor), with the explosion-proof function of supplementary abundant explosion-proof battery power 10.
The box body 11 can be regarded as a pouring cavity, the explosion-proof box body 12 connected with the box body 11 can be regarded as a wiring cavity, namely, an explosion-proof processing mechanism is configured on the explosion-proof box body 12, the explosion-proof processing mechanism is not configured on the box body 11, and the sealing joint 15 arranged between the explosion-proof box body 12 and the box body 11 is arranged, namely, the box body 11 and the explosion-proof box body 12 connected with the box body are connected through the sealing joint 15, so that the overall sealing performance of the explosion-proof battery power supply 10 is ensured, and secondary explosion hazard is effectively avoided.
In some embodiments of the present application, the explosion-proof battery power supply 10 further comprises: and a sealing joint 15 arranged between the explosion-proof box body 12 and the box body 11, wherein the battery module 13 and the power supply control module 14 are electrically connected through the sealing joint 15 between the box body 11 and the explosion-proof box body 12.
The sealing joint 15 may be a glan head, without limitation.
The gland head is mainly used for fastening and sealing the cable, wherein the fastening is to lock the cable through the gland so that the cable does not generate axial displacement and radial rotation, so that the normal connection of the cable is ensured, the sealing is IP protection which is commonly called, namely, dust prevention and water prevention, the gland head can also be applied to a shielded cable waterproof connector, is suitable for the cable with a shielding layer and is suitable for an armored cable waterproof connector of an armored cable; the explosion-proof cable connector is suitable for explosion-proof cable waterproof connectors and the like in dangerous areas such as mines.
From this, through the glan head between configuration box 11 and the explosion-proof box 12 in this application for battery module 13 and power control module 14 electricity are connected, ensure that the connection of the inside cable of explosion-proof battery power 10 is more firm, ensure explosion-proof battery power 10 framework stability, guarantee to state the sealing performance between box 11 and the explosion-proof box 12, follow the explosion-proof security level of whole promotion.
In some embodiments of the present application, referring to fig. 4, the explosion-proof battery power supply 10 further comprises:
a first pressure sensor 16 disposed in the case 11; a first pressure relief device 17 provided on the cover 102 of the case 11 for relieving pressure in the case 11 to the outside when the pressure in the case 11 increases; a second pressure sensor 18 disposed within the explosion-proof case 12; and a second pressure relief device 19 provided in the explosion-proof case 12 for relieving the pressure in the explosion-proof case 12 to the outside when the pressure in the explosion-proof case 12 increases.
The first pressure relief device 17 may be, for example, a flame arrester, a one-way valve, or a combination of a flame arrester and a one-way valve, the second pressure relief device 19 may be, for example, a flame arrester, a one-way valve, or a combination of a flame arrester and a one-way valve, or the first pressure relief device 17 or the second pressure relief device 19 may be, without limitation, a combination of one or more flame arresters.
It should be noted that, in the embodiment of the present application, the pressure relief device may be provided, or the pressure relief device may not be provided, which is not limited thereto.
The second pressure threshold may be less than or equal to the first pressure threshold, thereby effectively improving the rationality of the application of the pressure relief.
The pressure sensor disposed in the housing 11 may be referred to as a first pressure sensor 16, and the pressure sensor disposed in the explosion-proof housing 12 may be referred to as a second pressure sensor 18, which is a device or apparatus capable of sensing a pressure signal and converting the pressure signal into a usable output electrical signal according to a certain rule.
That is, in the present application, the first pressure sensor 16 is disposed in the case 11, the second pressure sensor 18 is disposed in the explosion-proof case 12, and then, the first pressure sensor 16 is used to monitor the pressure generated by the gas in the case 11, and the second pressure sensor 18 is used to monitor the pressure generated by the gas in the explosion-proof case 12, so that when the internal pressure of the case 11 or the explosion-proof case 12 is monitored to be too high, the electrical connection between the power supply of the explosion-proof battery and the outside is cut off in time. .
In some embodiments of the present application, referring to fig. 4, the explosion-proof battery power supply further comprises:
a first support member 40 disposed in the case 11, the first support member 40 being for supporting and fixing the battery module 13; second support piece 50 of setting among explosion-proof box 12, second support piece 50 is used for supporting and fixed power control module 14, that is to say, battery module 13 can be via first support piece 40 fixed mounting in box 11, and power control module 14 can be via second support piece 50 fixed mounting among explosion-proof box 12, thereby effectively ensured the steadiness ability of battery module 13 and the installation of power control module 14, can be convenient for the heat dissipation of battery module 13 and power control module 14 simultaneously, effectively avoid the risk that battery module 13 and power control module 14's temperature is too high to lead to, the holistic security performance of explosion-proof battery power 10 has effectively been promoted from the angle of accuse temperature.
In the present embodiment, by arranging the case and the explosion-proof case connected to the case for the explosion-proof battery power supply, the battery module disposed in the case, the first potting layer covering the first region of the battery module, and the gas processing device disposed in the case, used for processing the gas released in the thermal runaway process of the battery module, adopts the gas processing device to realize a gas processing mechanism, effectively reduces the influence of the gas released by the thermal runaway of the battery on the peripheral environment of the box body, improves the application safety of the whole power supply of the explosion-proof battery, effectively reduces the realization cost and the weight of the explosion-proof mechanism of the battery, ensures that the battery module is not only sealed when the explosive environment occurs, other exposed conductors are not electrified, so that the contact between the fire source and the explosive gas is timely blocked, and the economy and the explosion-proof control effect of the explosion-proof mechanism are effectively improved.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. An explosion-proof battery power supply, comprising:
the explosion-proof box body is connected with the box body;
the battery module is arranged in the box body and comprises a first area and a second area, the first area comprises all electrodes in the battery module, and the second area comprises all pressure relief valves in the battery module;
the first pouring layer covers the first area of the battery module, and is provided with a first opening corresponding to the pressure release valve, so that the pressure release valve can exhaust gas through the first opening; and
the power supply control module is arranged in the explosion-proof box body;
and the gas treatment device is arranged in the box body and is used for treating gas released in the thermal runaway process of the battery module.
2. The explosion-proof battery power supply of claim 1, further comprising:
when the battery module releases gas in the thermal runaway process, the gas treatment device can automatically treat all components or specific components in the released gas.
3. The explosion-proof battery power supply of claim 1, further comprising:
and a second pouring layer at least covering the second area of the battery module, wherein the impact strength of the second pouring layer is smaller than that of the pressure relief valve when the pressure relief valve is opened, so that the pressure relief valve breaks the second pouring layer when the pressure relief valve is relieved.
4. The explosion-proof battery power supply of claim 3, wherein the second potting layer also covers the first region and the second potting layer has a lower impact strength than the first potting layer.
5. The explosion-proof battery power supply of claim 3, further comprising:
and a third pouring layer covering the second pouring layer, wherein the third pouring layer is provided with a second opening at the position of the pressure release valve, the second opening corresponds to the pressure release valve so that the pressure release valve can exhaust gas through the second opening, and the impact strength of the third pouring layer is greater than that of the first pouring layer.
6. The explosion-proof battery power supply of claim 1, wherein the case and explosion-proof case comprise:
the explosion-proof box body comprises a box body and an explosion-proof box body;
the battery module pouring box comprises a box body, a box cover and an explosion-proof box cover, wherein the box body is arranged on the box body, the box cover and the explosion-proof box cover are arranged on the explosion-proof box body respectively, the box cover and the explosion-proof box cover are connected with the box body and the explosion-proof box body through bolts, and free space is reserved between the upper surface of a pouring layer of the battery module and the box cover.
7. An explosion-proof battery power supply as set forth in claim 6, wherein said gas processing device is provided on a cover of said case, or is provided in said free space inside said case, or is provided on a wall of said free space portion inside said first explosion-proof case.
8. The explosion-proof battery power supply of claim 1, further comprising:
the sealing joint is arranged between the explosion-proof box body and the box body, and the battery module is electrically connected with the power supply control module through the sealing joint between the box body and the explosion-proof box body.
9. The explosion-proof battery power supply of claim 1, further comprising:
a first pressure sensor disposed within the tank;
the first pressure relief device is arranged on the box cover of the box body and used for relieving the pressure in the box body to the outside when the pressure in the box body is increased;
a second pressure sensor disposed within the explosion-proof enclosure;
and the second pressure relief device is arranged in the explosion-proof box body and used for relieving the pressure in the explosion-proof box body to the outside when the pressure in the explosion-proof box body is increased.
10. The explosion-proof battery power supply of claim 1, further comprising:
the first supporting piece is arranged in the box body and used for supporting and fixing the battery module;
and the second supporting piece is arranged in the explosion-proof box body and is used for supporting and fixing the power supply control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011197343.3A CN112531279B (en) | 2020-10-30 | 2020-10-30 | Explosion-proof battery power supply |
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| CN202011197343.3A CN112531279B (en) | 2020-10-30 | 2020-10-30 | Explosion-proof battery power supply |
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| CN112531279B CN112531279B (en) | 2023-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022012377A1 (en) * | 2020-07-14 | 2022-01-20 | 华瑞矿业科技有限公司 | Explosion-proof battery |
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