CN210015785U - Explosion-proof structure of capacitor - Google Patents
Explosion-proof structure of capacitor Download PDFInfo
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- CN210015785U CN210015785U CN201921059506.4U CN201921059506U CN210015785U CN 210015785 U CN210015785 U CN 210015785U CN 201921059506 U CN201921059506 U CN 201921059506U CN 210015785 U CN210015785 U CN 210015785U
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- shell
- air
- proof structure
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- explosion
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- 239000003990 capacitor Substances 0.000 title claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000004888 barrier function Effects 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 abstract description 11
- 238000003466 welding Methods 0.000 description 9
- 239000012528 membrane Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses an explosion-proof structure of a capacitor, in particular to the technical field of capacitors, which comprises a shell, wherein an electric core is arranged inside the shell, an air inlet hole is arranged on the inner wall of the side surface inside the shell, an air passage is arranged inside the shell, the air passage is communicated with the air inlet hole, and the top end of the air passage is provided with a pressure relief mechanism; the pressure relief mechanism comprises two partition plates, a top air outlet is formed in the bottom of each partition plate, a movable cavity is formed between the partition plates, a first isolation film is arranged at the bottom end of the movable cavity, a top plate is glued to the top of the first isolation film, and a plurality of ejector pins are fixedly arranged on the surface of the top plate. The utility model discloses a set up pressure release mechanism, gaseous from the inlet port enter into the air flue, discharge by the top gas outlet on air flue top again, gaseous upwards promotes the roof and with the thimble motion on surface, punctures its top second barrier film, reaches the purpose to the inside pressure release of shell, wholly makes the utility model discloses a security is higher.
Description
Technical Field
The utility model relates to a condenser technical field, more specifically say, the utility model relates to a condenser explosion-proof construction.
Background
A capacitor is an electronic component used for charging and discharging, and the capacitance of the capacitor is numerically equal to the ratio of the amount of charge on one conductive plate to the voltage between the two plates.
Patent application publication No. CN 208848758U's utility model discloses a condenser explosion-proof construction, including first connecting plate and second connecting plate, first connecting plate with second connecting plate interval sets up, connect through the fuse piece subassembly that spot welding is in the same place between first connecting plate and the second connecting plate. The utility model discloses an adopt the explosion-proof structure of mechanical stretching formula, draw forth the two poles of the earth through a set of spot welding rupture disc, the stroke is the deformation displacement volume of body shell, reaches the predetermined amount when shell deformation volume, and the copper sheet of spot welding is broken, forms and normally opens, and the condenser is just amputated from the electric wire netting this moment to reached explosion-proof purpose, both played explosion-proof effect, it is little to avoid the through-flow area of weak point department again, and the through-flow capacity is weak, leads to calorific capacity big, the short problem of product life.
However, when the pressure relief valve is actually used, the pressure relief valve still has more defects, such as the failure of pressure relief on internal high pressure in the use process of the technical scheme, and the safety is not ideal enough.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a condenser explosion-proof construction, through setting up pressure relief mechanism, during gaseous air inlet port entered into the air flue, discharged by the top gas outlet on air flue top again, gaseous upwards promotes the roof and with the surperficial thimble motion, punctures its top second barrier film, reaches the purpose to the inside pressure release of shell, wholly makes the utility model discloses a security is higher to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof structure of a capacitor comprises a shell, wherein a battery cell is arranged in the shell, an air inlet hole is formed in the inner side wall of the inner side of the shell, an air passage is arranged in the shell, the air passage is communicated with the air inlet hole, and a pressure relief mechanism is arranged at the top end of the air passage;
the pressure relief mechanism comprises two partition plates, a top air outlet is formed in the bottom of each partition plate, a movable cavity is formed between the partition plates, a first isolation film is arranged at the bottom end of the movable cavity, a top plate is glued to the top of the first isolation film, a plurality of ejector pins are fixedly arranged on the surface of the top plate, the top air outlet is formed between the top plate and the first isolation film, and a second isolation film is fixedly arranged on the top of the movable cavity.
In a preferred embodiment, the top plate is provided with a conical shape in its top shape.
In a preferred embodiment, the first and second isolation diaphragms are both made of PVC material.
In a preferred embodiment, a connection cavity is formed at the bottom end of the battery cell, and a connection block is welded inside the connection cavity.
In a preferred embodiment, the bottom end of the connecting block is provided with an electrode plate, and the electrode plate is welded with the connecting block.
In a preferred embodiment, a fixing plate is arranged outside the electrode plate, and a bottom air outlet is arranged at the bottom end of the air passage.
In a preferred embodiment, one end of the bottom air outlet is communicated with an exhaust passage, the exhaust passage is communicated with a connecting cavity, and a containing cavity is arranged on one side of the connecting cavity.
In a preferred embodiment, the fixing plate is provided with a through hole inside, and the electrode plate penetrates through the fixing plate through the through hole.
The utility model discloses a technological effect and advantage:
1. through the arrangement of the pressure relief mechanism, gas enters the air passage from the air inlet and is exhausted from the top air outlet at the top end of the air passage, the gas pushes the top plate and the thimble on the surface of the top plate upwards to move, the second isolation film on the top of the top plate is punctured, the purpose of relieving pressure inside the shell is achieved, and the safety of the utility model is integrally higher;
2. the bottom gas outlet through the air flue bottom is arranged in the air exhaust passage with gas, and the air exhaust passage lets in its inside gas in connecting the chamber again, and the connecting block is comparatively weak with the welding point of electric core and fixed plate, destroys the welding point and promotes the connecting block motion through high-pressure gas, impels the connecting block and accomodates intracavity portion, and the disconnection electrode slice is connected with electric core, has further improved the security.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a structure in fig. 1.
Fig. 3 is an enlarged view of the structure at B in fig. 1 according to the present invention.
Fig. 4 is an enlarged view of the structure at C in fig. 1 according to the present invention.
Fig. 5 is a perspective view of the thimble according to the present invention.
The reference signs are: the device comprises a shell 1, a cell 2, an air inlet 3, an air passage 4, a pressure relief mechanism 5, a partition plate 6, a top air outlet 7, a movable cavity 8, a first isolating membrane 9, a top plate 10, an ejector pin 11, a second isolating membrane 12, a connecting cavity 13, a connecting block 14, an electrode plate 15, a fixing plate 16, a bottom air outlet 17, an exhaust passage 18 and a storage cavity 19, and a through hole 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, fig. 2, fig. 3 and fig. 5, the capacitor explosion-proof structure includes a housing 1, a battery cell 2 is disposed inside the housing 1, an air inlet 3 is disposed on an inner wall of a side surface inside the housing 1, an air passage 4 is disposed inside the housing 1, the air passage 4 is communicated with the air inlet 3, and a pressure relief mechanism 5 is disposed at a top end of the air passage 4;
the pressure relief mechanism 5 comprises two partition plates 6, a top air outlet 7 is arranged at the bottom of each partition plate 6, a movable cavity 8 is arranged between the two partition plates 6, a first isolation film 9 is arranged at the bottom end of each movable cavity 8, a top plate 10 is glued to the top of each first isolation film 9, a plurality of ejector pins 11 are fixedly arranged on the surface of the top of each top plate 10, the top air outlet 7 is arranged between each top plate 10 and each first isolation film 9, and a second isolation film 12 is fixedly arranged at the top of each movable cavity 8;
the top of the top plate 10 is provided with a conical shape;
the first isolation film 9 and the second isolation film 12 are made of PVC materials.
The implementation mode is specifically as follows: when the utility model is used, the electric core 2 generates a large amount of gas, the gas pressure in the shell 1 is increased, the gas enters the air passage 4 in the shell 1 from the gas inlet 3 on the inner side of the shell 1, then flows upwards from the air passage 4, and is discharged from the top gas outlet 7 at the top end of the air passage 4, the top gas outlet 7 is positioned at the bottom of the top plate 10, the top plate 10 can be smoothly jacked up when the gas enters the movable cavity 8, the top plate 10 is adhered on the partition plate 6 through glue, a large amount of heat can be emitted while the electric core 2 releases the gas, so that the glue is heated, the adhesive force is reduced, when the gas in the movable cavity 8 is more, the gas jacks up the top plate 10, the top plate 10 moves upwards to drive the thimble 11 on the top surface to move upwards, the top of the top plate 10 is conical, the pressure of the top plate on the second isolation film 12 at the top of the movable, and a plurality of thimbles 10 can puncture second barrier film 12 simultaneously, increase the efficiency of punctureing of second barrier film 12, be convenient for excrete inside gas, reduce the inside atmospheric pressure of shell 1, first barrier film 9 is separated electric core 2 and activity chamber 8, guarantee electric core 2's leakproofness, effectively prolong its life, through setting up pressure relief mechanism 5, gas enters into air flue 4 from inlet port 3, discharge by the top gas outlet 7 on air flue 4 top again, gaseous top 11 motion that upwards promotes roof 10 and its surface, puncture its top second barrier film 12, reach the purpose to the inside pressure release of shell 1, wholly make the utility model discloses a security is higher.
As shown in fig. 1 and 4, the capacitor explosion-proof structure further comprises a connecting cavity 13 and a bottom gas outlet 17, the connecting cavity 13 is arranged at the bottom of the electric core 2, the bottom gas outlet 17 is arranged at the bottom of the gas passage 4, a connecting block 14 is welded inside the connecting cavity 13, an electrode plate 15 is arranged at the bottom end of the connecting block 14, the electrode plate 15 is welded with the connecting block 14, a fixing plate 16 is arranged outside the electrode plate 15, an exhaust passage 18 is communicated with one end of the bottom gas outlet 17, the exhaust passage 18 is communicated with the connecting cavity 13, a storage cavity 19 is arranged on one side of the connecting cavity 13, a through hole 20 is formed inside the fixing plate 16, and the electrode plate 15 penetrates through the fixing plate 16.
The implementation mode is specifically as follows: when using the utility model discloses in, gaseous from inlet port 3 entering air flue 4, in the exhaust passage 18 is arranged by the bottom gas outlet 17 of 4 bottoms of air flue, exhaust passage 18 lets in its inside gas again and connects in chamber 13, it has connecting block 14 to connect chamber 13 internal weld, connecting block 14 is comparatively weak with the welding point of electric core 2 and fixed plate 16, destroy the welding point and promote connecting block 14 motion through high-pressure gas, it accomodates 19 insides to advance connecting block 14, the connection of disconnection electrode slice 15 and electric core 2, the security has further been improved.
The utility model discloses the theory of operation:
referring to the attached drawings 1, 2, 3 and 5 of the specification, when the utility model is used, gas enters the air passage 4 inside the shell 1 from the air inlet 3 on the side surface inside the shell 1 and is exhausted from the top air outlet 7 at the top end of the air passage 4, a large amount of heat is emitted while the battery cell 2 releases the gas, so that the glue is heated, the adhesive force is reduced, when the gas inside the movable cavity 8 is more, the gas jacks up the top plate 10, the top plate 10 moves upwards to drive the ejector pins 11 on the top surface to move upwards, the top of the top plate 10 is conical, the pressure of the top plate on the second isolating membrane 12 at the top of the movable cavity 8 can be increased, the second isolating membrane 12 can be conveniently punctured, the ejector pins 10 can simultaneously puncture the second isolating membrane 12, the puncturing efficiency of the second isolating membrane 12 is increased, the internal gas can be conveniently discharged, and the air pressure inside the shell 1 is reduced, through the arrangement of the pressure relief mechanism 5, gas enters the air passage 4 from the air inlet 3 and is exhausted from the top air outlet 7 at the top end of the air passage 4, the gas pushes the top plate 10 and the thimble 11 on the surface of the top plate upwards to move, the second isolation film 12 at the top of the top plate is punctured, the purpose of relieving pressure inside the shell 1 is achieved, and the safety of the utility model is higher as a whole;
refer to specification attached drawing 1 and attached drawing 4, when using the utility model discloses the time, it is gaseous from inlet port 3 entering into air flue 4, arrange into exhaust passage 18 by the bottom gas outlet 17 of air flue 4 bottom, exhaust passage 18 lets in its inside gas again and connects in chamber 13, connecting block 14 is comparatively weak with the welding point of electric core 2 and fixed plate 16, destroy the welding point and promote connecting block 14 motion through high-pressure gas, it accomodates 19 insidely to advance connecting block 14, the connection of disconnection electrode slice 15 and electric core 2, the security has further been improved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a condenser explosion-proof construction, includes shell (1), its characterized in that: the battery cell (2) is arranged in the shell (1), the inner wall of the side face in the shell (1) is provided with an air inlet (3), the air passage (4) is arranged in the shell (1), the air passage (4) is communicated with the air inlet (3), and the top end of the air passage (4) is provided with a pressure relief mechanism (5);
pressure release mechanism (5) include two baffles (6), baffle (6) bottom is equipped with top gas outlet (7), two be equipped with movable chamber (8) between baffle (6), activity chamber (8) bottom is equipped with first barrier film (9), first barrier film (9) top is glued there is roof (10), roof (10) top fixed surface is equipped with a plurality of thimbles (11), top gas outlet (7) set up between roof (10) and first barrier film (9), activity chamber (8) top is fixed and is equipped with second barrier film (12).
2. A capacitor explosion-proof structure according to claim 1, characterized in that: the top of the top plate (10) is provided with a conical shape.
3. A capacitor explosion-proof structure according to claim 1, characterized in that: the first isolation film (9) and the second isolation film (12) are both made of PVC materials.
4. A capacitor explosion-proof structure according to claim 1, characterized in that: the battery cell is characterized in that a connecting cavity (13) is formed in the bottom end of the battery cell (2), and a connecting block (14) is welded inside the connecting cavity (13).
5. A capacitor explosion-proof structure according to claim 4, wherein: the bottom end of the connecting block (14) is provided with an electrode plate (15), and the electrode plate (15) is welded with the connecting block (14).
6. A capacitor explosion-proof structure according to claim 5, wherein: the outer side of the electrode plate (15) is provided with a fixing plate (16), and the bottom end of the air passage (4) is provided with a bottom air outlet (17).
7. A capacitor explosion-proof structure according to claim 6, wherein: an exhaust passage (18) is communicated with one end of the bottom air outlet (17), the exhaust passage (18) is communicated with the connecting cavity (13), and a storage cavity (19) is arranged on one side of the connecting cavity (13).
8. A capacitor explosion-proof structure according to claim 7, wherein: the electrode plate fixing device is characterized in that a through hole (20) is formed in the fixing plate (16), and the electrode plate (15) penetrates through the fixing plate (16) through the through hole (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059506.4U CN210015785U (en) | 2019-07-09 | 2019-07-09 | Explosion-proof structure of capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059506.4U CN210015785U (en) | 2019-07-09 | 2019-07-09 | Explosion-proof structure of capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210015785U true CN210015785U (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921059506.4U Active CN210015785U (en) | 2019-07-09 | 2019-07-09 | Explosion-proof structure of capacitor |
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| Country | Link |
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| CN (1) | CN210015785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114916165A (en) * | 2022-03-03 | 2022-08-16 | 合肥九思机械设计有限公司 | 5G communication explosion-proof equipment of intelligent cooling pressure release |
-
2019
- 2019-07-09 CN CN201921059506.4U patent/CN210015785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114916165A (en) * | 2022-03-03 | 2022-08-16 | 合肥九思机械设计有限公司 | 5G communication explosion-proof equipment of intelligent cooling pressure release |
| CN114916165B (en) * | 2022-03-03 | 2024-01-23 | 深圳市臻善通信技术有限公司 | Intelligent cooling and pressure relief 5G communication explosion-proof equipment |
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