CN215988912U - Explosion-proof wireless communication terminal battery case - Google Patents
Explosion-proof wireless communication terminal battery case Download PDFInfo
- Publication number
- CN215988912U CN215988912U CN202121801248.XU CN202121801248U CN215988912U CN 215988912 U CN215988912 U CN 215988912U CN 202121801248 U CN202121801248 U CN 202121801248U CN 215988912 U CN215988912 U CN 215988912U
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- China
- Prior art keywords
- short circuit
- explosion
- output shaft
- communication terminal
- wireless communication
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000004891 communication Methods 0.000 title claims abstract description 25
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 23
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 22
- 239000011261 inert gas Substances 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 2
- 238000004880 explosion Methods 0.000 abstract description 7
- 210000004027 cell Anatomy 0.000 description 9
- 238000013461 design Methods 0.000 description 9
- 238000003860 storage Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to an explosion-proof wireless communication terminal battery box which comprises a bottom cover and a top cover, wherein an installation block is fixedly installed at the opening end of the top cover, an installation groove for the installation block to penetrate through is formed in the bottom cover, a cavity is formed in the bottom cover, a lithium battery is fixedly installed in the cavity, a positive output shaft and a negative output shaft are arranged on the lithium battery, a short circuit cut-off mechanism for cutting off the power output of the positive output shaft and the negative output shaft is arranged on the positive output shaft and the negative output shaft, the driving end of the short circuit cut-off mechanism is connected with the control end of a short circuit control module, and the information receiving end of the short circuit control module is connected with the information output end of a short circuit detection module. This explosion-proof wireless communication terminal battery case, during the short circuit, the power of positive negative pole output shaft is cut absolutely in time of being convenient for, can effectually avoid long-time short circuit to produce high temperature, and then prevents the inside diaphragm damage of lithium cell, greatly reduced the explosion probability, the air in the cavity is got rid of fast to be convenient for, reduces the possibility that the battery burns.
Description
Technical Field
The utility model belongs to the technical field of communication equipment, and particularly relates to an explosion-proof wireless communication terminal battery box.
Background
The wireless communication terminal needs to use a battery to ensure the normal use of the wireless terminal, the battery is easy to generate short circuit in the use process, and the internal insulation design of the battery pack is poor to cause the short circuit. When a short circuit occurs outside the battery cell and the electronic components fail to break the circuit, high heat is generated inside the battery cell, causing partial evaporation of the electrolyte, which expands the battery case. When the internal temperature of the battery reaches 135 ℃, the sealing rate of the pores is too poor, or the pores cannot be sealed at all, so that the temperature of the battery continues to rise, more electrolyte can be evaporated, finally, the battery shell can be cracked, and even the temperature of the battery can rise, so that the material can be combusted and exploded.
The internal short circuit is mainly caused by burrs of the copper foil and the aluminum foil penetrating the separator, or dendrites of lithium atoms penetrating the separator. The explosion caused by the internal short circuit is mainly caused by overcharge, because the needle-shaped lithium metal crystal is overcharged everywhere on the back pole piece, the puncture point is everywhere, and the micro short circuit is everywhere. Therefore, the temperature of the battery gradually increases, and finally, the high temperature brings about electrolyte gas. This is the end point of the explosion, whether the temperature is too high to cause the material to burn and explode, or the shell ruptures first, resulting in air ingress, and the lithium metal undergoes severe oxidation.
But common communication terminal battery case is difficult to timely cut off power, avoids the short circuit to the inside damage of battery, is difficult to stop the burning damage of oxygen to the battery moreover fast.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide an explosion-proof wireless communication terminal battery box which is convenient for timely cutting off the power supply of the positive and negative output shafts during short circuit, can effectively avoid high temperature caused by long-time short circuit, further prevents the internal diaphragm of a lithium battery from being damaged, greatly reduces the explosion probability, is convenient for quickly removing air in a cavity and reduces the possibility of battery combustion.
The utility model realizes the purpose through the following technical scheme:
the utility model provides an explosion-proof wireless communication terminal battery case, includes bottom, top cap, the open end fixed mounting of top cap has the installation piece, set up the mounting groove that supplies the installation piece to pass in the bottom, be equipped with the cavity in the bottom, fixed mounting has the lithium cell in the cavity, be equipped with positive negative pole output shaft on the lithium cell, be equipped with on the positive negative pole output shaft and be used for cutting the short circuit of positive negative pole output shaft power output and cut off the mechanism absolutely, the drive end that the short circuit cut off the mechanism is connected with short circuit control module's control end, short circuit control module's information receiving end is connected with short circuit detection module's information output part.
As a further optimization scheme of the utility model, the cross sections of the bottom cover and the top cover are of honeycomb structures, and the inner side wall of the mounting groove is provided with a sealing gasket; the design aims at that: stability is high, and between bottom and the top cap, through the counterpoint installation of installation piece and mounting groove to under the effect of sealed pad, guarantee the leakproofness of inside cavity behind bottom and the top cap installation.
As a further optimized scheme of the utility model, the short circuit cut-off mechanism comprises a mounting box arranged outside the bottom cover, a driving motor is arranged in the mounting box, the output end of the driving motor is connected with a control turntable, a fitting groove is arranged on the control turntable, the fitting groove forms an electrical communication end and an electrical shielding end, a metal gasket is arranged in the electrical communication end, and the outer sides of the electrical communication end and the electrical shielding end are respectively provided with a first arc-shaped stop block and a second arc-shaped stop block; the design aims at that: during the short circuit, under short circuit control module's effect, the drive power supply of control short circuit short-cut mechanism, and then in time cut off positive negative pole output shaft power, can effectually avoid long-time short circuit to produce high temperature, and then harm the inside diaphragm of lithium cell, and then greatly reduced lithium cell explosion probability.
As a further optimization scheme of the utility model, one side surface of the metal gasket is connected with the positive and negative output shafts, and the other side of the metal gasket is provided with an electrical output shaft; the design aims at that: the metal gasket, the positive and negative output shafts and the electric output shaft are conveniently and electrically connected.
As a further optimization scheme of the utility model, the central axes of the electrical output shaft and the positive and negative output shafts are positioned on the same horizontal plane, and the placing box and the bottom cover are detachably arranged; the design aims at that: the maintenance of the placing box and the bottom cover is convenient.
As a further optimized scheme of the utility model, the control turntable is made of an insulating material; the design aims at that: the positive and negative output shafts and the electric output shaft are isolated.
As a further optimization scheme of the utility model, the inner ends of the first arc-shaped stop block and the second arc-shaped stop block are in arc-shaped structures, and the first arc-shaped stop block and the second arc-shaped stop block are made of rubber; the design aims at that: the first arc-shaped stop block and the second arc-shaped stop block are used for limiting and resetting the positive and negative electrode output shafts and the electric output shaft.
As a further optimization scheme of the utility model, an inert gas filling mechanism is further arranged outside the lithium battery, the inert gas filling mechanism comprises an inert gas storage tank and a contact switch arranged in an electric shielding end, a control end of the contact switch is provided with a valve for controlling an air outlet end of the inert gas storage tank, an air distribution pipeline is arranged at an outlet end of the inert gas storage tank, an air injection block is arranged at the tail end of the air distribution pipeline, and an air injection port is arranged in the air injection block.
As a further optimized scheme of the present invention, the air injection blocks and the air distribution pipes 1003 are arranged in a one-to-one correspondence, and the air outlet ends of the air injection ports in the air injection blocks are in a tapered structure; the design aims at that: the inert gas is filled in the cavity along the gas jet port, so that the air in the cavity can be conveniently and quickly removed, and the lithium battery 5 can be conveniently protected.
As a further optimized scheme of the utility model, the top cover is provided with an exhaust port; the design aims at that: the inert gas extrudes the oxygen in the cavity to the exhaust port and overflows to the outside of the top cover 2.
The utility model has the beneficial effects that: during the short circuit, be convenient for timely disconnected cut positive negative pole output shaft's power, can effectually avoid long-time short circuit to produce high temperature, and then prevent the inside diaphragm damage of lithium cell, greatly reduced the explosion probability, be convenient for get rid of the air in the cavity fast, reduce the possibility that the battery burns.
Drawings
FIG. 1 is a schematic view of the principal boresight side structure of the present invention;
FIG. 2 is a schematic view of the bottom cover and top cover disassembled from the main viewing axis side;
FIG. 3 is a schematic top cross-sectional view of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at A in accordance with the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3B in accordance with the present invention;
fig. 6 is a schematic front view of the control dial of the present invention.
In the figure: 1. a bottom cover; 2. a top cover; 3. mounting blocks; 4. mounting grooves; 5. a lithium battery; 6. positive and negative output shafts; 7. a short circuit cutoff mechanism; 701. placing a box; 702. a drive motor; 703. a control dial; 704. a fitting groove; 705. a metal gasket; 706. a first arc-shaped stop block; 707. a second arc-shaped stop block; 708. an electrical output shaft; 8. a short circuit control module; 9. a short circuit detection module; 10. an inert gas filling mechanism; 1001. a contact switch; 1002. a valve; 1003. a gas distribution pipeline; 1004. an air-jet block; 1005. and (4) an air outlet.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1-2, an explosion-proof wireless communication terminal battery box, including bottom 1, top cap 2, the open end fixed mounting of top cap 2 has installation piece 3, set up the mounting groove 4 that supplies installation piece 3 to pass in the bottom 1, as shown in the figure, bottom 1 and top cap 2's transversal personally submit honeycomb structure, be equipped with sealed the pad on the 4 inside walls of mounting groove, high stability, and between bottom 1 and top cap 2, through the counterpoint installation of installation piece 3 and mounting groove 4, and under the sealed effect of filling up, guarantee the leakproofness of inside cavity behind bottom 1 and the top cap 2 installation, can effectually prevent that outside air from entering into in bottom 1 and the top cap 2, the influence of oxygen to the battery has been avoided greatly.
As shown in fig. 2, a cavity is formed in the bottom cover 1, a lithium battery 5 is fixedly installed in the cavity, positive and negative output shafts 6 are arranged on the lithium battery 5, a short circuit disconnection mechanism 7 for disconnecting the power output of the positive and negative output shafts 6 is arranged on the positive and negative output shafts 6, a driving end of the short circuit disconnection mechanism 7 is connected with a control end of a short circuit control module 8, and an information receiving end of the short circuit control module 8 is connected with an information output end of a short circuit detection module 9. Be equipped with the universal meter that is used for the detection circuitry short circuit in the short circuit detection module 9, under the effect of universal meter, make things convenient for the very first time to detect short circuit information, and with short circuit information transmission to short circuit control module 8 in, under short circuit control module 8's effect, the drive power supply of mechanism 7 is cut absolutely in the control short circuit, and then in time cut absolutely positive negative pole output shaft 6 power, can effectually avoid long-time short circuit to produce the high temperature, and then damage lithium cell 5's inside diaphragm, and then greatly reduced lithium cell 5 explosion probability.
As shown in fig. 3, the short circuit breaking mechanism 7 includes a mounting box 701 disposed outside the bottom cover 1, a driving motor 702 is disposed in the mounting box 701, an output end of the driving motor 702 is connected to a control turntable 703, the control turntable 703 is provided with a fitting groove 704, the fitting groove 704 forms an electrical connection end and an electrical shielding end, a metal gasket 705 is disposed in the electrical connection end, a first arc-shaped stopper 706 and a second arc-shaped stopper 707 are disposed on outer sides of the electrical connection end and the electrical shielding end, a side surface of the metal gasket 705 is connected to the positive and negative output shafts 6, and an electrical output shaft 708 is disposed on the other side of the metal gasket 705;
as shown in fig. 4-6, the central axes of the positive and negative output shafts 6 and the electrical output shaft 708 are located on the same horizontal plane, the mounting box 701 and the bottom cover 1 are detachably disposed, when a short-circuit fault occurs inside the communication device, under the action of the short-circuit control module 8, the driving power supply of the driving motor 702 is controlled, and under the action of the driving motor 702, the control turntable 703 rotates clockwise, so that the positive and negative output shafts 6 and the electrical output shaft 708 slide relatively inside the fitting groove 704, so that the positive and negative output shafts 6 and the electrical output shaft 708 are separated from the metal gasket 705, the control turntable 703 is made of an insulating material, which can effectively perform an insulating function, and conveniently and rapidly cut off the power supply, the inner ends of the first arc-shaped stopper 706 and the second arc-shaped stopper 707 are arc-shaped structures, and the first arc-shaped stopper 706 and the second arc-shaped stopper 707 are made of rubber, the first arc-shaped stop block 706 and the second arc-shaped stop block 707 are used for limiting and resetting the positive and negative electrode output shafts 6 and the electrical output shaft 708;
as shown in fig. 5, an inert gas filling mechanism 10 is further disposed outside the lithium battery 5, the inert gas filling mechanism 10 includes an inert gas storage tank and a contact switch 1001 disposed in the electrically shielding end, a valve 1002 for controlling the gas outlet end of the inert gas storage tank is disposed at the control end of the contact switch 1001, a gas distribution pipeline 1003 is disposed at the gas outlet end of the inert gas storage tank, a gas injection block 1004 is disposed at the end of the gas distribution pipeline 1003, a gas injection port 1005 is disposed in the gas injection block 1004, a gas exhaust port is disposed on the top cover 2, during a short circuit, the reset positive and negative output shafts 6 contact the contact switch 1001 during the rotation of the control dial 703, so as to open the valve 1002, so that the inert gas storage tank and the gas distribution pipeline 1003 are communicated with each other, the gas injection blocks 1004 and the gas distribution pipeline 1003 are disposed in one-to-one correspondence, the gas outlet end of the gas injection port 1005 in the gas injection block 1004 is in a tapered structure, and the inert gas is filled in the cavity along the gas injection port 1005, the air in the cavity can be removed quickly, and the lithium battery 5 can be protected conveniently.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides an explosion-proof wireless communication terminal battery case which characterized in that: including bottom (1), top cap (2), the open end fixed mounting of top cap (2) has installation piece (3), set up mounting groove (4) that supply installation piece (3) to pass in bottom (1), be equipped with the cavity in bottom (1), fixed mounting has lithium cell (5) in the cavity, be equipped with positive negative pole output shaft (6) on lithium cell (5), be equipped with on positive negative pole output shaft (6) and be used for cutting off the short circuit of positive negative pole output shaft (6) power output and cut off mechanism (7), the drive end of short circuit cut off mechanism (7) is connected with the control end of short circuit control module (8), the information receiving end of short circuit control module (8) is connected with the information output end of short circuit detection module (9).
2. An explosion-proof wireless communication terminal battery pack as claimed in claim 1, wherein: the cross sections of the bottom cover (1) and the top cover (2) are of honeycomb structures, and sealing gaskets are arranged on the inner side walls of the mounting grooves (4).
3. An explosion-proof wireless communication terminal battery pack as claimed in claim 1, wherein: short circuit is disconnected and is cut mechanism (7) including locating bottom (1) outside arrangement box (701), be equipped with driving motor (702) in arrangement box (701), the output of driving motor (702) is connected with control carousel (703), be equipped with laminating groove (704) on control carousel (703), laminating groove (704) form electric connection end and electric shielding end, be equipped with metal gasket (705) in the electric connection end, the outside of electric connection end and electric shielding end is equipped with first arc dog (706) and second arc dog (707) respectively.
4. An explosion-proof wireless communication terminal battery pack as claimed in claim 3, wherein: one side surface of the metal gasket (705) is connected with the positive and negative output shafts (6), and the other side of the metal gasket (705) is provided with an electrical output shaft (708).
5. An explosion-proof wireless communication terminal battery pack as claimed in claim 4, wherein: the central axes of the electric output shaft (708) and the positive and negative output shafts (6) are positioned on the same horizontal plane, and the arrangement box (701) and the bottom cover (1) are detachably arranged.
6. An explosion-proof wireless communication terminal battery pack as claimed in claim 3, wherein: the control turntable (703) is made of an insulating material.
7. An explosion-proof wireless communication terminal battery pack as claimed in claim 3, wherein: the inner ends of the first arc-shaped stop block (706) and the second arc-shaped stop block (707) are arc-shaped structures, and the first arc-shaped stop block (706) and the second arc-shaped stop block (707) are made of rubber.
8. An explosion-proof wireless communication terminal battery pack as claimed in claim 1, wherein: the outside of lithium cell (5) still is equipped with inert gas and fills mechanism (10), inert gas fills mechanism (10) and includes the inert gas bin and locates contact switch (1001) in the electric property shielding end, the control end of contact switch (1001) is equipped with valve (1002) that are used for controlling the inert gas bin end of giving vent to anger, inert gas bin outlet end is equipped with branch gas pipeline (1003), the end of dividing gas pipeline (1003) is equipped with gas injection piece (1004), be equipped with jet orifice (1005) in gas injection piece (1004).
9. An explosion-proof wireless communication terminal battery pack as claimed in claim 8, wherein: the air injection blocks (1004) are arranged in one-to-one correspondence with the air distribution pipelines 1003, and the air outlet ends of the air injection ports (1005) in the air injection blocks (1004) are in a conical structure.
10. An explosion-proof wireless communication terminal battery pack as claimed in claim 1, wherein: the top cover (2) is provided with an exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121801248.XU CN215988912U (en) | 2021-08-03 | 2021-08-03 | Explosion-proof wireless communication terminal battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121801248.XU CN215988912U (en) | 2021-08-03 | 2021-08-03 | Explosion-proof wireless communication terminal battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215988912U true CN215988912U (en) | 2022-03-08 |
Family
ID=80513859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121801248.XU Expired - Fee Related CN215988912U (en) | 2021-08-03 | 2021-08-03 | Explosion-proof wireless communication terminal battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215988912U (en) |
-
2021
- 2021-08-03 CN CN202121801248.XU patent/CN215988912U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |