CN215869557U - Charge-discharge monitoring explosion-proof equipment for lithium battery pack - Google Patents
Charge-discharge monitoring explosion-proof equipment for lithium battery pack Download PDFInfo
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- CN215869557U CN215869557U CN202122264023.1U CN202122264023U CN215869557U CN 215869557 U CN215869557 U CN 215869557U CN 202122264023 U CN202122264023 U CN 202122264023U CN 215869557 U CN215869557 U CN 215869557U
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- protective shell
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- battery pack
- lithium battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a charge-discharge monitoring explosion-proof device for a lithium battery pack, which comprises a protective shell, wherein the protective shell consists of a heat-insulating layer and a drying layer, and a cooling cavity is arranged on the inner wall of the heat-insulating layer; the outer wall of the periphery of the protective shell is provided with vent holes, the vent holes penetrate through the cooling cavity, one end of each vent hole is fixedly connected with a filter piece, each filter piece consists of a filter plate and a waterproof breathable film, and the other end of each vent hole is rotatably connected with a wind wheel through a rotating shaft; the outer wall of the bottom of the protective shell is fixedly connected with a heat dissipation fin; the outer wall of the bottom of the protective shell is fixedly connected with a barrier; a box cover is arranged on the outer wall of the top of the protective shell; the bottom inner wall fixedly connected with shock pad of protecting crust, the top outer wall of shock pad are provided with the spout, and the inner wall of spout has a mounting panel, the top outer wall fixedly connected with group battery body of mounting panel through slider sliding connection. The utility model automatically adjusts the working temperature environment inside and outside the protective shell and reduces the potential safety hazard during use.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a charge and discharge monitoring explosion-proof device for a lithium battery pack.
Background
Since the birth of the overcharge and outage reset compression spring 1996, the lithium battery occupies a large amount of markets and is applied to various industries, however, accidents of casualties and property loss caused by explosion of the lithium battery are frequent, the spontaneous combustion explosion of the lithium battery can be caused by problems of overhigh external temperature, short circuit and the like, and the internal temperature of the lithium battery is abnormal due to the same performance.
In order to solve the problem, through the retrieval, chinese patent application number is CN202010733127. X's patent discloses a lithium cell explosion-proof equipment of monitoring and cooling, which comprises a bod, be provided with the coolant liquid chamber in the fuselage roof, be provided with unusual cooling chamber in the coolant liquid chamber diapire, the lithium cell has been placed in the unusual cooling chamber, lithium cell left side wall butt electricity even is provided with the terminal block, unusual cooling chamber diapire intercommunication is provided with outage compression spring chamber, the outage compression spring intracavity is provided with and leads to the bimetallic strip to warp the realization to remove through the unusual high temperature of lithium cell the spacing stop device of terminal block. The lithium battery explosion-proof equipment of monitoring and cooling in the above-mentioned patent exists following not enough: the cooling liquid circulation is realized to the starter pump, and then makes the group battery cooling, and the mechanical structure application is more makes manufacturing cost increase, can produce extra heat moreover, has certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a lithium battery pack charging and discharging monitoring explosion-proof device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the charge and discharge monitoring explosion-proof equipment for the lithium battery pack comprises a protective shell, wherein the protective shell consists of a heat insulation layer and a drying layer, and a cooling cavity is formed in the inner wall of the heat insulation layer; the outer wall of the periphery of the protective shell is provided with vent holes, the vent holes penetrate through the cooling cavity, one end of each vent hole is fixedly connected with a filter piece, each filter piece consists of a filter plate and a waterproof breathable film, and the other end of each vent hole is rotatably connected with a wind wheel through a rotating shaft; the outer wall of the bottom of the protective shell is fixedly connected with a heat dissipation fin; the outer wall of the bottom of the protective shell is fixedly connected with a barrier; and a box cover is arranged on the outer wall of the top of the protective shell.
As a still further scheme of the utility model: the bottom inner wall fixedly connected with shock pad of protecting crust, the top outer wall of shock pad are provided with the spout, and the inner wall of spout has a mounting panel, the top outer wall fixedly connected with group battery body of mounting panel through slider sliding connection.
As a still further scheme of the utility model: the outer wall of one side of protecting crust is fixedly connected with connection port, and the outer wall of one side of connection port is provided with the shutter.
As a still further scheme of the utility model: one side inner wall fixedly connected with extensible member of protecting crust, the extension end fixed connection of extensible member is in the one side outer wall of mounting panel.
As a still further scheme of the utility model: and a monitoring element group is fixedly connected to the inner wall of one side of the protective shell.
As a still further scheme of the utility model: the outer wall of the bottom of the box cover is fixedly connected with a supporting plate, and a hole groove is formed in the outer wall of one side of the supporting plate.
As a still further scheme of the utility model: the inner wall all around of protecting crust is all fixedly connected with bumping post.
As a still further scheme of the utility model: the outer wall all around of protecting crust is fixedly connected with buffering sacculus.
Compared with the prior art, the utility model provides a charge-discharge monitoring explosion-proof device for a lithium battery pack, which has the following beneficial effects:
1. this charge-discharge monitoring explosion-proof equipment of lithium cell group, the inside heat that produces of protective housing during the operation is dispersed through gas vent and heat dissipation wing, outside air current gets into the protective housing after through filtering piece filtering impurity on the gas vent and hydrone in, during the heat exchange is done to interior/outer air current, gaseous when passing the air vent with the coolant liquid contact in the outside cooling cavity of air vent, and then by rapid cooling, make the gas of business turn over protective housing be the low temperature form, the inside and outside operation temperature environment of automatically regulated protective housing, potential safety hazard when reducing the use.
2. According to the charge and discharge monitoring explosion-proof equipment for the lithium battery pack, through arrangement of structures such as the heat insulation layer and the drying layer, external high temperature is conveniently isolated and conducted into the protective shell, moisture in the protective shell is absorbed, and potential safety hazards during charge and discharge of the battery are reduced; the monitoring component group monitors the conditions such as temperature in the protective shell and current and voltage in the circuit in real time, and when monitoring current and voltage abnormity, the telescopic part is controlled to start to drive the mounting plate and the structure on the mounting plate to move left and right, so that the female end of the battery pack body is disconnected with an external charging interface, the battery is prevented from exploding due to abnormity such as temperature, current and voltage, and potential safety hazards are reduced.
3. This charge-discharge monitoring explosion-proof equipment of lithium cell group, during closed case lid, support and hold the board and support the top of holding at the group battery body, the shock pad and the peripheral buffering post of cooperation bottom, thereby play the effect that effectively slows down and receive outside striking power to the group battery body, further prevent that the explosion phenomenon from appearing in the group battery, support and hold the effect that the hole groove on the board played the heat circulation of assurance, and set up the outside buffering sacculus of parcel protecting sheathing, effectively cushion the pressure when outside object strikes the protecting sheathing body, further play the effect of protection group battery again.
Drawings
Fig. 1 is a schematic overall front-view sectional structure diagram of an explosion-proof device for monitoring charging and discharging of a lithium battery pack according to the present invention;
FIG. 2 is a schematic diagram of a front-view cross-sectional structure of a protective shell of an explosion-proof device for monitoring charging and discharging of a lithium battery pack according to the present invention;
fig. 3 is a schematic side view of an explosion-proof device for monitoring charging and discharging of a lithium battery pack according to the present invention;
fig. 4 is an enlarged structural schematic diagram of a part a of the charge and discharge monitoring explosion-proof device for the lithium battery pack according to the present invention;
fig. 5 is a schematic circuit flow diagram of an explosion-proof device for monitoring charging and discharging of a lithium battery pack according to the present invention.
In the figure: 1-protective shell, 2-box cover, 3-supporting plate, 4-drying layer, 5-cooling cavity, 6-heat insulation layer, 7-battery pack body, 8-mounting plate, 9-radiating fin, 10-shock pad, 11-buffer column, 12-buffer saccule, 13-vent hole, 14-telescopic piece, 15-chute, 16-door, 17-connecting port, 18-waterproof breathable film, 19-barrier and 20-monitoring element group.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
In order to ensure the operating temperature environment inside and outside a protective shell 1, the lithium battery pack charge-discharge monitoring explosion-proof equipment comprises the protective shell 1, wherein the protective shell 1 consists of a heat insulation layer 6 and a drying layer 4, the heat insulation layer 6 and the drying layer 4 are arranged, external high temperature is conveniently isolated and conducted into the protective shell 1, moisture in the protective shell 1 is absorbed, potential safety hazards during charge and discharge of a battery are reduced, and a cooling cavity 5 is formed in the inner wall of the heat insulation layer 6; the outer wall of the periphery of the protective shell 1 is provided with a plurality of vent holes 13, the vent holes 13 penetrate through the cooling cavity 5, one ends of the vent holes 13 are welded with filter pieces, each filter piece is composed of a filter plate and a waterproof breathable film 18, the other ends of the vent holes 13 are rotatably connected with wind wheels through rotating shafts, and the wind wheels are arranged to accelerate the rate of internal/external airflow exchange; the outer wall of the bottom of the protective shell 1 is fixed with a heat dissipation fin 9 through a bolt; the outer wall of the bottom of the protective shell 1 is fixedly provided with a barrier 19 with the size larger than that of the heat dissipation fin 9 through a bolt, the barrier 19 is arranged to protect the heat dissipation fin 9, and the heat dissipation fin 9 is prevented from being directly contacted with an external structure and damaged; the top outer wall of the protective shell 1 is hinged with a box cover 2. After the case lid 2 is lifted to assemble the battery, the heat that the inside produced of protective housing 1 dispels through air vent 13 and heat dissipation wing 9 during the operation, outside air current gets into in protective housing 1 after filtering piece filtering impurity and hydrone on the air vent 13, during when interior/outer air current does the heat exchange, gas contacts with the coolant liquid in the outside cooling chamber 5 of air vent 13 when passing air vent 13, and then by rapid cooling, make the gas of business turn over protective housing 1 be the low temperature form, effectively guarantee the inside and outside operation temperature environment of protective housing 1, potential safety hazard when reducing the use.
In order to reduce the potential safety hazard during charging and discharging, as shown in fig. 1-5, a shock pad 10 is fixed on the inner wall of the bottom of the protective shell 1 through a bolt, a sliding groove 15 is formed in the outer wall of the top of the shock pad 10, the inner wall of the sliding groove 15 is connected with a mounting plate 8 in a sliding mode through a sliding block, the mounting plate 8 is in an L shape, and a battery pack body 7 is bonded on the outer wall of the top of the mounting plate 8; a connecting port 17 is fixed on the outer wall of one side of the protective shell 1 through a bolt, and a stop door 16 is hinged to the outer wall of one side of the connecting port 17; an extensible member 14 is fixed on the inner wall of one side of the protective shell 1 through a bolt, the switch control end of the extensible member 14 is electrically connected with the control module, the extensible member 14 is one of an electric push column and an air cylinder, and the extension end of the extensible member 14 is fixed on the outer wall of one side of the mounting plate 8 through a bolt; the inner wall of one side of the protective shell 1 is fixed with a monitoring element group 20 through a bolt, the signal output end of the monitoring element group 20 is electrically connected with the control module, the monitoring element group 20 comprises but is not limited to a temperature sensor, an electric quantity sensor and the like, the model of the temperature sensor is WRM-101 series, and the model of the electric quantity sensor is DRV425 RTJR. The cover 2 is lifted to adhere the battery pack body 7 to the mounting plate 8, so that the female end of the battery pack body 7 is attached to the connection port 17, and then the cover 2 is closed. During the charge-discharge, the condition such as temperature in the monitoring component group 20 real-time supervision protecting crust 1 and the electric current in the circuit, voltage, then transmit signal to control module when current-voltage is unusual, its control extensible member 14 starts, it controls about driving mounting panel 8 and last structure, make the disconnection of the female end of group battery body 7 and the outside interface that charges, thereby avoid the temperature, the electric current, voltage etc. are unusual to lead to the battery to explode, reduce the potential safety hazard, when not using, manual closed shutter 16, effectively prevent in dust impurity etc. gets into group battery body 7.
The working principle is as follows: the cover 2 is lifted to adhere the battery pack body 7 to the mounting plate 8, so that the female end of the battery pack body 7 is attached to the connection port 17, and then the cover 2 is closed. During the charge-discharge, the condition such as temperature in the monitoring component group 20 real-time supervision protecting crust 1 and the electric current in the circuit, voltage, then transmit signal to control module when current-voltage is unusual, its control extensible member 14 starts, it controls about driving mounting panel 8 and last structure, make the disconnection of the female end of group battery body 7 and the outside interface that charges, thereby avoid the temperature, the electric current, voltage etc. are unusual to lead to the battery to explode, reduce the potential safety hazard, when not using, manual closed shutter 16, effectively prevent in dust impurity etc. gets into group battery body 7. And the heat that produces in the inside of protecting crust 1 during the operation is passed through gas vent 13 and heat dissipation wing 9 and is dispelled, and outside air current gets into in protecting crust 1 after filtering impurity and hydrone through the filter piece on gas vent 13, and during interior/outer air current does the heat exchange, gas passes gas vent 13 when contacting with the coolant liquid in the outside cooling chamber 5 of gas vent 13, and then by rapid cooling for the gas of business turn over protecting crust 1 is low temperature form.
Example 2
An explosion-proof device for monitoring charging and discharging of a lithium battery pack is disclosed, as shown in fig. 1-3, in order to further prevent the explosion phenomenon of the battery pack; the present embodiment is modified from embodiment 1 as follows: the outer wall of the bottom of the box cover 2 is welded with a supporting plate 3, the supporting plate 3 is made of elastic materials, and the outer wall of one side of the supporting plate 3 is provided with a plurality of hole grooves; buffer columns 11 are welded on the peripheral inner wall of the protective shell 1, and the buffer columns 11 are made of insulating rubber elastic materials; the protective shell 1 is welded with a plurality of buffer balloons 12 on the peripheral outer wall. When closed case lid 2, support and hold board 3 and support the top of holding at group battery body 7, the shock pad 10 and the peripheral cushion post 11 of cooperation bottom, thereby play the effect that effectively slows down and receive outside striking power to group battery body 7, further prevent that the explosion phenomenon from appearing in the group battery, support and hold the effect that the hole groove on board 3 played the heat circulation of assurance, and set up the outside buffering sacculus 12 of parcel protecting crust 1, effectively cushion the pressure when outside object strikes protecting crust 1 body, the further effect that plays the protection group battery again.
The working principle is as follows: when closed case lid 2, support and hold board 3 and support the top of holding at group battery body 7, the shock pad 10 and the peripheral cushion post 11 of cooperation bottom, thereby play the effect that effectively slows down and receive outside striking power to group battery body 7, further prevent that the explosion phenomenon from appearing in the group battery, support and hold the effect that the hole groove on board 3 played the heat circulation of assurance, and set up the outside buffering sacculus 12 of parcel protecting crust 1, effectively cushion the pressure when outside object strikes protecting crust 1 body, the further effect that plays the protection group battery again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The charge and discharge monitoring explosion-proof equipment for the lithium battery pack comprises a protective shell (1), and is characterized in that the protective shell (1) consists of a heat insulation layer (6) and a drying layer (4), and a cooling cavity (5) is arranged on the inner wall of the heat insulation layer (6); the protective shell (1) is characterized in that vent holes (13) are formed in the peripheral outer wall of the protective shell (1), the vent holes (13) penetrate through the cooling cavity (5), one end of each vent hole (13) is fixedly connected with a filter piece, each filter piece is composed of a filter plate and a waterproof breathable film (18), and the other end of each vent hole (13) is rotatably connected with a wind wheel through a rotating shaft; the outer wall of the bottom of the protective shell (1) is fixedly connected with a heat dissipation fin (9); the outer wall of the bottom of the protective shell (1) is fixedly connected with a barrier (19); the outer wall of the top of the protective shell (1) is provided with a box cover (2).
2. The lithium battery pack charging and discharging monitoring explosion-proof equipment according to claim 1, wherein a shock absorption pad (10) is fixedly connected to the inner bottom wall of the protective shell (1), a sliding groove (15) is formed in the outer top wall of the shock absorption pad (10), a mounting plate (8) is slidably connected to the inner wall of the sliding groove (15) through a sliding block, and a battery pack body (7) is fixedly connected to the outer top wall of the mounting plate (8).
3. The lithium battery pack charging and discharging monitoring explosion-proof equipment according to claim 2, wherein a connecting port (17) is fixedly connected to the outer wall of one side of the protective shell (1), and a shutter (16) is arranged on the outer wall of one side of the connecting port (17).
4. The lithium battery pack charging and discharging monitoring explosion-proof equipment as claimed in claim 3, wherein the inner wall of one side of the protective shell (1) is fixedly connected with an expansion piece (14), and the extending end of the expansion piece (14) is fixedly connected with the outer wall of one side of the mounting plate (8).
5. The lithium battery pack charging and discharging monitoring explosion-proof equipment according to claim 4, wherein a monitoring element group (20) is fixedly connected to the inner wall of one side of the protective shell (1).
6. The lithium battery pack charging and discharging monitoring explosion-proof equipment as claimed in claim 1, wherein the outer wall of the bottom of the box cover (2) is fixedly connected with a supporting plate (3), and a hole groove is formed in the outer wall of one side of the supporting plate (3).
7. The lithium battery pack charging and discharging monitoring explosion-proof equipment as claimed in claim 6, wherein the buffer columns (11) are fixedly connected to the peripheral inner walls of the protective shell (1).
8. The lithium battery pack charging and discharging monitoring explosion-proof equipment according to claim 7, wherein the peripheral outer wall of the protective shell (1) is fixedly connected with a buffering balloon (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264023.1U CN215869557U (en) | 2021-09-18 | 2021-09-18 | Charge-discharge monitoring explosion-proof equipment for lithium battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264023.1U CN215869557U (en) | 2021-09-18 | 2021-09-18 | Charge-discharge monitoring explosion-proof equipment for lithium battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215869557U true CN215869557U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122264023.1U Active CN215869557U (en) | 2021-09-18 | 2021-09-18 | Charge-discharge monitoring explosion-proof equipment for lithium battery pack |
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| Country | Link |
|---|---|
| CN (1) | CN215869557U (en) |
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2021
- 2021-09-18 CN CN202122264023.1U patent/CN215869557U/en active Active
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