CN212991226U - Explosion-proof battery - Google Patents
Explosion-proof battery Download PDFInfo
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- CN212991226U CN212991226U CN202021383125.4U CN202021383125U CN212991226U CN 212991226 U CN212991226 U CN 212991226U CN 202021383125 U CN202021383125 U CN 202021383125U CN 212991226 U CN212991226 U CN 212991226U
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- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 abstract description 19
- 230000007246 mechanism Effects 0.000 abstract description 17
- 239000002360 explosive Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- 230000001066 destructive effect Effects 0.000 description 1
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- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
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- 239000003063 flame retardant Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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- 239000003643 water by type Substances 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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides an explosion-proof battery, include: the explosion-proof box body is connected with the box body; the battery module is arranged in the box body and covers the pouring sealing layer of the battery module; the temperature adjusting module is connected with the box body and used for adjusting the actual temperature of the box body; the power supply control module is arranged in the explosion-proof box body, and the battery module is electrically connected with the power supply control module. Through the utility model discloses can effectively reduce the realization cost and the weight of the explosion-proof mechanism of battery, realize the control by temperature change protection mechanism to the box, can effectively avoid the detonation risk that the high temperature in the box probably leads to 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 stopping the contact of point fire source and explosive gas, effectively promote economic nature and the explosion-proof control effect that the explosion-proof mechanism realized.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a method and device.
Background
At present, a high-capacity explosion-proof battery used in an underground coal mine mainly uses a special or increased-safety lead-acid storage battery power supply, and has the defects of small energy density, low voltage, few cycle times, serious environmental pollution and the like, and GB 3836 series and IEC60079 series explosion-proof standards have a plurality of limitations on the use of the lead-acid storage battery, and the underground high-capacity storage battery has no particularly good solution for power supply. In recent years, equipment such as various underground robots, intelligent dangerous mixture monitoring and monitoring systems and pure electric auxiliary transportation equipment based on new technologies such as 5G and the Internet of things gradually emerge, the requirement of the equipment on battery capacity is increased, however, at present, no high-safety-reliability explosion-proof battery matched with the equipment is available, and the current situation becomes a technical bottleneck restricting the research and development application of the underground robot equipment.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the utility model aims to provide a method, can effectively reduce the realization cost and the weight of the explosion-proof mechanism of battery, realize the control by temperature change protection mechanism to the box, can effectively avoid the detonation risk that the high temperature in the box probably leads to, and ensure when the explosive environment appears except the battery module through the pouring and sealing processing, other expose the conductor all not electrified, thereby realize in time stopping the contact of point flame retardant exterior and explosive gas, effectively promote economic nature and the explosion-proof control effect that the explosion-proof mechanism realized.
The utility model discloses a reach above-mentioned purpose, the utility model discloses the explosion-proof battery that the first aspect provided, include: the explosion-proof box body is connected with the box body; the battery module is arranged in the box body, and the pouring sealing layer covers the battery module; the temperature adjusting module is connected with the box body and used for adjusting the actual temperature of the box body; the battery module is electrically connected with the power supply control module.
The utility model provides an explosion-proof battery, which 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, a battery module is arranged in the box body, the temperature adjusting module connected with the box body adjusts the actual temperature of the box body, covers the encapsulation layer of the battery module, realizes the encapsulation protection of the battery module by adopting the encapsulation layer covering the battery module, realizes the explosion-proof protection of the power supply control module by adopting the explosion-proof box body, can effectively reduce the realization cost and the weight of the battery explosion-proof mechanism, realizes the temperature control protection mechanism aiming at the box body, can effectively avoid the deflagration risk possibly caused by overhigh temperature in the box body, and ensures that when the explosive environment occurs, except the encapsulated battery module, 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 invention 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 invention.
Drawings
The above and/or additional aspects and advantages of the present invention 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 according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an explosion-proof battery according to another embodiment of the present invention;
fig. 3 is a schematic structural view of an explosion-proof battery according to another embodiment of the present invention;
fig. 4 is a schematic structural view of an explosion-proof battery according to still another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a battery module according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a power control module according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a power control module according to still another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention 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 according to an embodiment of the present invention.
Referring to fig. 1, the explosion-proof battery 10 includes: the explosion-proof box body 12 is connected with the box body 11; a battery module 13 disposed in the case 11, a temperature adjustment module 20 connected to the case 11, the temperature adjustment module 20 being used to adjust an actual temperature of the case 11; a potting layer 130 covering the battery module 13; the power supply control module 14 arranged in the explosion-proof box body 12 is electrically connected with the battery module 13 and the power supply control module 14.
In the embodiment of the present invention, the explosion-proof battery 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 embodiment of the utility model provides an in battery module 13 configuration in box 11, and the explosion-proof box 12 that the configuration 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 when explosive environment appears, ensure except battery module 13 through the encapsulation processing, other expose the conductor all not electrified, thereby the realization has blocked the contact of ignition source with explosive gas from the source. And only the box body provided with the power supply control module 14 is set as an explosion-proof box body 12, and the box body 11 provided with the battery module 13 is configured as a common box body, so that the implementation cost and weight of an explosion-proof mechanism of the battery 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 the 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 and a battery pack management and protection unit associated with the battery pack, and the battery pack may be formed by connecting single lithium batteries in series or in parallel.
When the temperature adjustment module 20 connected to the box 11 is configured, the temperature adjustment module 20 is used to adjust the actual temperature of the box 11, that is, the temperature adjustment module 20 may be used to detect the actual temperature in the box 11 in real time, and when the current actual temperature is too high, the temperature may be automatically reduced.
Fig. 2 is a schematic structural view of an explosion-proof battery according to another embodiment of the present invention.
Referring to fig. 2, the temperature adjustment module 20 includes a temperature detector 210, a heater 211, and a cooler 212; the temperature detector 210, the heater 211 and the cooler 212 are respectively connected to the box 11, wherein the temperature detector 210 is configured to detect a first actual temperature inside the box 11; the heater 211 is configured to perform corresponding temperature rise adjustment on the first actual temperature when the first actual temperature is smaller than a first temperature threshold; the cooler 212 is configured to perform corresponding temperature reduction adjustment on the first actual temperature when the first actual temperature is greater than a second temperature threshold; the second temperature threshold is greater than or equal to the first temperature threshold.
It can be understood that, when arranging explosion-proof battery 10 in operation scenes such as the pit, when the ambient temperature in the pit is lower, the utility model discloses can also realize raising the temperature to the inside of box 11 and handle, from this, realize adjusting explosion-proof battery 10's actual temperature in a flexible way for explosion-proof battery 10 can be applicable to the operational environment of multiple difference, extends explosion-proof battery 10's application scene.
The temperature detector 210 can be configured to detect the first actual temperature of the box body 11 in real time, so that the heater 211 or the cooler 212 is automatically triggered to enter the working state according to the comparison condition of the first actual temperature and the first temperature threshold value as well as the second temperature threshold value, the realization is simple and convenient, the temperature control protection mechanism for the box body 11 can be automatically realized, the flexibility of realizing the temperature control protection mechanism is improved, and the temperature control protection effect is improved.
Optionally, the heater 211 is a semiconductor heater, and the cooler 212 is a semiconductor cooler, so that the implementation of a temperature control protection mechanism is more sensitive, the instantaneity of temperature control protection is improved, and the temperature control effect is guaranteed.
Of course, the heater 211 may be any other possible type of heater, and the cooler 212 may be any other possible type of cooler, which is not limited.
Referring to fig. 2, the case 11 and the explosion-proof case 12 are electrically connected to each other through a first lead device 15, so that the battery module 13 is electrically connected to the power control module 14; the explosion-proof box body 12 is also provided with a second lead device 22, and the second lead device 22 is used for connecting the explosion-proof battery 10 with an external circuit.
In some embodiments of the present invention, the first lead device 15 or the second lead device 22 is composed of a number of glan heads.
The battery module 13 is electrically connected with the power control module 14 through a first lead device 15; the power supply control module 14 is electrically connected to the external electric circuits and communication circuits of the case 11 and the explosion-proof case 12 via a second lead device 22.
The first lead device 15 or the second lead device 22 is mainly used for fastening and sealing a cable, wherein the fastening is to lock the cable through Glan, so that the cable is not subjected to axial displacement and radial rotation, the normal connection of the cable is ensured, the sealing is IP protection which is often called, namely, dust and water prevention, the first lead device 15 or the second lead device 22 can also be applied to a shielded cable waterproof connector and is suitable for the cable with a shielding layer, the armored cable waterproof connector suitable for armored cables, the explosion-proof cable waterproof connector suitable for dangerous areas such as mines and the like.
Fig. 3 is a schematic structural view of an explosion-proof battery according to another embodiment of the present invention.
Referring to fig. 3, 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 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 relief valve is opened, so that the relief valve 132 breaks the second potting layer 134 when opened. That is, the potting layer 30 includes a first potting layer 133 and a second potting layer 134.
Wherein the second encapsulation layer 134 also covers the first area, and the impact strength of the second encapsulation layer 134 is less than the impact strength of the first encapsulation layer 133.
In some embodiments of the present invention, referring to fig. 4, cover third pouring layer 135 of second pouring layer 134, wherein third pouring layer 135 has a second opening at the position of relief valve 132, and the second opening corresponds to relief valve 132, so that relief valve 132 can exhaust through the second opening, and the impact strength of third pouring layer 135 is greater than the impact strength of first pouring layer 133, that is, pouring layer 30 includes first pouring layer 133, second pouring layer 134 and third pouring layer 135, and third pouring layer 135 pours the sealing layer for covering the one deck outside second pouring layer 134, plays the guard action to second pouring layer 134 and first pouring layer 133.
In some embodiments of the present invention, the first pouring layer 133, the second pouring layer 134 and the third pouring layer 135 are silica gel or epoxy resin, which can simplify the manufacturing process of the pouring layer, and can ensure a better pouring protection effect, and have better practicability and applicability, or can be any other possible pouring material, which is not limited to this.
The embodiment of the utility model provides an in, the impact strength who disposes the second and water sealing layer 134 is less than the impact strength when the relief valve is opened to break the second when making relief valve 132 open and water sealing layer 134, make the battery arrange to the box after the gas that the inside chemical reaction produced under the extreme condition via relief valve 132, can discharge to the external environment in the pressure relief device 17 that sets up on the case lid, thereby avoided gas to gather in box 11 is inside.
The embodiment of the utility model provides an in, first positive negative terminal that waters seal 133 and can effectively protect battery module 13 realizes the effective isolation of potential ignition source and explosive gas, has reduced the emergence probability of accidents such as burning and explosion by a wide margin, has promoted explosion-proof battery 10's safety protection performance.
The impact strength of the third potting layer 135 is configured to be greater than the impact strength of the first potting layer 133, so that the third potting layer 135 can form an outermost protection and a further protection to the second potting layer 134. That is to say, the third encapsulation layer 135 can further enhance the protection function of the first encapsulation layer 133 and the second encapsulation layer 134, and due to the protection and reinforcement effect of the third encapsulation layer 135, the damage degree of the second encapsulation 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 encapsulation layer 133 is reduced to a great extent, and the reliability of the encapsulation explosion-proof protection method is improved.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a battery module according to another embodiment of the present invention, the battery module includes: battery pack 201 formed by connecting single lithium batteries in series or parallel and battery pack management and protection unit 202 matched with the battery pack, see fig. 5, fig. 5 is a schematic structural diagram of a power supply control module provided by another embodiment of the present invention, which may include an electrical circuit switch unit 301 and a communication circuit switch unit 302, for example.
The electrical circuit switch unit 301 and the communication circuit switch unit 302 in the power supply control module are each composed of a certain number of relays, a certain number of fuses, and a manual mechanical switch.
When the concentration of the explosive and dangerous mixture in the environment is detected to exceed the standard, the power supply control module 14 can control all the electrical circuit switch units 301 and the communication circuit switch units 302 to be disconnected, and then the battery pack management and protection unit 202 is controlled to be disconnected from the power supply control module, so that the ignition source is prevented from being in contact with the explosive gas from the source.
In some embodiments, referring to fig. 4 and fig. 6 together, the battery module 13 is electrically connected to the electrical circuit switching unit 301 and the communication circuit switching unit 302 in the power control module 14 via the first lead wire device 15; the electric circuit switch unit 301 and the communication circuit switch unit 302 in the power supply control module 14 are electrically connected to the electric circuit and the communication circuit outside the case 11 and the explosion-proof case 12, respectively, via the second lead device 22.
In some embodiments of the present invention, referring to fig. 7, the case 11 and the explosion-proof case 12 include:
a case body 101 and an explosion-proof case body 104;
and a cover 102 and an explosion-proof cover 105 respectively disposed on the case body 101 and the explosion-proof case body 104, wherein the cover 102 and the explosion-proof cover 105 are connected to the case body 101 and the explosion-proof case body 104 by bolts 103, and a free space is provided between an upper surface of a potting layer covering the battery module 13 in the case 11 and the cover 102.
A case body 101; and a cover 102 disposed on the case body 101, wherein the cover 102 is connected to the explosion-proof case body 101 by bolts 103, and a free space is provided between the cover 102 and the upper surface of the potting layer covering the battery module 13, so as to provide a certain buffer space for the accumulation of gas pressure, and to assist the disposition of other components (e.g., a pressure sensor) to assist the enrichment of the explosion-proof function of the explosion-proof battery 10.
The case 11 may be regarded as a potting chamber, the explosion-proof case 12 connected to the case 11 may be regarded as a wiring chamber, and the case 11 and the explosion-proof case are electrically connected to each other through the first lead wire device 15 so that the battery module 13 and the power supply control module 14 are electrically connected to each other.
In some embodiments of the present invention, referring to fig. 7, the explosion-proof battery 10 further includes:
a pressure sensor 16 provided in the case 11; a pressure relief device 17 disposed on the cover 102 of the housing 11, and a controller 18 respectively connected to the pressure sensor 16 and the pressure relief device 17, for controlling the pressure relief device 17 to release the pressure in the housing 11 to the outside when the pressure in the housing 11 increases.
The 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, or the pressure relief device 17 may be, without limitation, a combination of one or more flame arresters.
The pressure sensor 16 is a device or apparatus that can sense the pressure signal and convert the pressure signal into a usable output electrical signal according to a certain rule.
In some embodiments of the present invention, referring to fig. 5, the explosion-proof battery 10 further includes:
a first support member 20 disposed in the case 11, the first support member 20 being connected to the battery module 13, the first support member 20 being used for supporting and fixing the battery module 13; the second support piece 21 of setting among explosion-proof box 12, second support piece 21 is connected with power control module 14, second support piece 21 is used for supporting and fixed power control module 14, that is to say, battery module 13 can be via first support piece 20 fixed mounting in box 11, and power control module 14 can be via second support piece 21 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 10 has effectively been promoted from the angle of accuse temperature.
In the embodiment, the box body and the explosion-proof box body connected with the box body are configured aiming at the explosion-proof battery, the battery module is arranged in the box body, and the temperature adjusting module connected with the box body adjusts the actual temperature of the box body; cover the encapsulation layer of battery module, the encapsulation protection of battery module is realized to the encapsulation layer that adopts the cover battery module, adopt explosion-proof box to realize flame proof protection to power control module group, can effectively reduce realization cost and weight of the explosion-proof mechanism of battery, realize the control by temperature change protection mechanism to the box, can effectively avoid the detonation risk that the high temperature in the box probably leads to, and ensure when explosive environment appears except the battery module through encapsulation processing, other expose the conductor all not electrified, thereby realize in time stopping the contact of point flame source and explosive gas, effectively promote economic nature and the explosion-proof control effect that explosion-proof mechanism realized.
It should be noted that, in the description of the present invention, 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 invention, "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 invention 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 embodiments of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. 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 invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. An explosion-proof battery, comprising:
the explosion-proof box body is connected with the box body;
the battery module is arranged in the box body, and the pouring sealing layer covers the battery module;
the temperature adjusting module is connected with the box body and used for adjusting the actual temperature of the box body;
the battery module is electrically connected with the power supply control module;
the first supporting piece is arranged in the box body and connected with the battery module, and the first supporting piece is used for supporting and fixing the battery module;
and the second supporting piece is arranged in the explosion-proof box body, is connected with the power supply control module and is used for supporting and fixing the power supply control module.
2. The explosion-proof battery as set forth in claim 1, wherein,
the explosion-proof box body is welded on the box body; or,
the explosion-proof box body is welded on the side surface of the box body.
3. The explosion-proof battery as set forth in claim 1, wherein said temperature adjusting module includes a temperature detector, a heater, and a cooler; the temperature detector, the heater and the cooler are respectively connected with the box body, wherein,
the temperature detector is used for detecting a first actual temperature inside the box body;
the heater is used for carrying out corresponding temperature rise adjustment on the first actual temperature when the first actual temperature is smaller than a first temperature threshold value;
the cooler is used for correspondingly cooling and adjusting the first actual temperature when the first actual temperature is greater than a second temperature threshold; the second temperature threshold is greater than or equal to the first temperature threshold.
4. The explosion-proof battery as set forth in claim 3, wherein said heater is a semiconductor heater and said cooler is a semiconductor cooler.
5. The explosion-proof battery as defined in claim 1, further comprising:
the box body and the explosion-proof box body are electrically connected through a first lead device so that the battery module is electrically connected with the power supply control module;
and a second lead device is also arranged on the explosion-proof box body and is used for connecting the explosion-proof battery with an external circuit.
6. The explosion-proof battery as defined in claim 2, further comprising:
the battery module 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
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.
7. The explosion-proof battery as defined in claim 6, 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.
8. The explosion-proof battery as defined in claim 5, wherein the case and the 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.
9. The explosion-proof battery as set forth in claim 5, further comprising:
a pressure sensor disposed within the tank;
the pressure relief device is arranged on the box cover of the box body;
and the controller is respectively connected with the pressure sensor and the pressure relief device and is used for controlling the pressure relief device to release the pressure in the box body to the outside when the pressure in the box body is increased.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021383125.4U CN212991226U (en) | 2020-07-14 | 2020-07-14 | Explosion-proof battery |
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| CN202021383125.4U CN212991226U (en) | 2020-07-14 | 2020-07-14 | Explosion-proof battery |
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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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| 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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