CN207947173U - A kind of thin film capacitor based on Explosion-proof cap - Google Patents
A kind of thin film capacitor based on Explosion-proof cap Download PDFInfo
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- CN207947173U CN207947173U CN201721899920.7U CN201721899920U CN207947173U CN 207947173 U CN207947173 U CN 207947173U CN 201721899920 U CN201721899920 U CN 201721899920U CN 207947173 U CN207947173 U CN 207947173U
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- Prior art keywords
- explosion
- conducting rod
- conductive sheet
- proof cap
- insulating base
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Abstract
The utility model discloses a kind of thin film capacitor based on Explosion-proof cap, is related to thin film capacitor technical field, is mainly made of shell, Explosion-proof cap and fuse.The thin film capacitor of the utility model is when high-temperature gas expands and cover board is caused to deform, a upward pulling force is generated when aluminium lid swells to be acted on conducting rod, silk is broken when reaching the pull-off force for breaking silk to be pulled off, conducting rod is moved upwards by pulling force effect, its underpart forms open circuit after being detached from conductive sheet, effectively prevent capacitor to explode, clever structure between conducting rod and conductive sheet, it breaks a pull-off force to be easy to control, greatly strengthens the practicability of blast resistance construction.
Description
Technical field
The utility model is related to thin film capacitor technical field more particularly to a kind of thin film capacitors based on Explosion-proof cap.
Background technology
Thin film capacitor is to work as electrode with metal foil, by itself and poly- ethyl ester, polypropylene, the modelings such as polystyrene or makrolon
Expect film, after being overlapped from both ends, is wound into the capacitor of cylindric construction.Its high, service life cycle with power density
The advantages that long and charging rate is fast, in mobile communication, electric tool, solar power generation, wind power generation, information technology and electricity
The multiple fields such as electrical automobile have broad application prospects.Metallic film capacitor especially large value capacitor is in high current
In charge/discharge operation operation, especially under high-temperature work environment, due to chemical reaction, electrochemical reaction and the height inside capacitance
Temperature evaporation can make to generate gas inside ultracapacitor, these gases generated in sealed states can be more and more, gradually
Keep the pressure of capacitor internal increasing, the anti-explosion groove above capacitor case is finally caused to rupture, is not only capacitor damage
It is bad, security risk is also increased, the serious accidents such as fire or explosion are be easy to cause.Although there is many needles in the prior art
The considerations of to this problem, for example note a certain amount of liquid medium, reduce impurity and water content, restriction uses under certain voltage
Etc., but these designs can not all solve the problems, such as at all.Also have in the prior art makes conducting rod and conduction using the pulling force of cover board
The weld of piece detaches, and achievees the purpose that explosion-proof, but the intensity of conductive sheet and conducting rod weld is not easy to control, when intensity is high
Conducting rod and conductive sheet separation are more difficult, explosion-proof purpose are not achieved, conducting rod and conductive sheet hold when being given a shock when intensity is low
It is easily separated, cause capacitor to scrap, therefore, how to design a kind of good thin film capacitor based on Explosion-proof cap of explosion-proof performance is this
Utility model technical problem to be solved.
Utility model content
The utility model in view of the deficiencies of the prior art, provides a kind of good thin-film capacitor based on Explosion-proof cap of explosion-proof performance
Device.
The utility model is realized by following technological means solves above-mentioned technical problem：
A kind of thin film capacitor based on Explosion-proof cap, including shell, Explosion-proof cap and fuse, the Explosion-proof cap are mounted on outer
The top of shell, the fuse are installed inside the shell, and the upper end of the fuse is equipped with conducting rod, and the upper end of the conducting rod is stretched
Go out Explosion-proof cap, the Explosion-proof cap includes cover board, insulating base and bursting diaphragm, and the insulating base is mounted on the upper end of cover board, institute
The bursting diaphragm stated is mounted on the lower end of cover board, and the lower end of the insulating base is provided with connecting pole, and the connecting pole stretches into cover board
Interior, the conducting rod is mounted in insulating base, and the conducting rod is cylinder, and insulation is stretched out in the upper end of the conducting rod
The upper end of seat, the conducting rod is equipped with connecting terminal, and bursting diaphragm, the lower end of the bursting diaphragm are stretched out in the lower end of the conducting rod
It is provided with sliding seat, sliding cavity is provided in the sliding seat, horizontally disposed sliding panel is installed in the sliding cavity,
The sliding panel can be slided up and down along sliding seat, and conductive sheet mounting base, the conduction are also equipped in the sliding cavity
Conductive sheet, the cylindrical shape that the conductive sheet is vertically arranged, the internal diameter and conduction of the conductive sheet are installed in piece mounting base
The diameter of bar is identical, and the lower end of the conducting rod is stretched into across sliding panel in conductive sheet, and the conducting rod and sliding panel are fixed
It connects, transverse slat is installed in the conductive sheet mounting base, is equipped between the transverse slat and sliding panel and breaks silk.
Preferably, a kind of thin film capacitor based on Explosion-proof cap, pacifies between the bottom end and cover board of the connecting pole
Equipped with explosion-proof sealing ring, the lower part of the explosion-proof sealing ring is equipped with insulating board.
Preferably, a kind of thin film capacitor based on Explosion-proof cap, connecting terminal are equipped with and are in contact with insulating base
Ring baffle, the ring baffle being in contact with insulating base be equipped with pitted skin layer.
The utility model has the advantage of：The thin film capacitor of the utility model expands in high-temperature gas and cover board is caused to become
Generating a upward pulling force when shape, when aluminium lid swells can act on conducting rod, and silk is broken when reaching the pull-off force for breaking silk
It is pulled off, conducting rod is moved upwards by pulling force effect, and its underpart forms open circuit after being detached from conductive sheet, effectively prevent capacitor quick-fried
Fried, clever structure between conducting rod and conductive sheet is broken a pull-off force and is easy to control, greatly strengthens the practicality of blast resistance construction
Property.
Further, connecting terminal is equipped with the ring baffle being in contact with insulating base, the annular gear being in contact with insulating base
Plate is equipped with pitted skin layer, enhances the frictional force between ring baffle and insulating base, keeps connecting terminal connection more firm.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model Explosion-proof cap.
Fig. 3 is the structural schematic diagram at the utility model sliding seat.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
A kind of thin film capacitor based on Explosion-proof cap, including shell 1, Explosion-proof cap 2 and fuse 3, the Explosion-proof cap 2 installation
On the top of shell 1, the fuse 3 is mounted in shell 1, and the upper end of the fuse 3 is equipped with conducting rod 4, the conduction
Explosion-proof cap 2 is stretched out in the upper end of bar 4, and the Explosion-proof cap 2 includes cover board 5, insulating base 6 and bursting diaphragm 7, the insulating base 6 peace
Mounted in the upper end of cover board 5, the bursting diaphragm 7 is mounted on the lower end of cover board 5, and the lower end of the insulating base 6 is provided with connecting pole
8, the connecting pole 8 stretches into cover board 5, and the conducting rod 4 is mounted in insulating base 6, and the conducting rod 4 is cylinder
Insulating base 6 is stretched out in the upper end of shape, the conducting rod 4, and the upper end of the conducting rod 4 is equipped with connecting terminal 9, the conducting rod 4
Lower end stretch out bursting diaphragm 7, the lower end of the bursting diaphragm 7 is provided with sliding seat 10, sliding is provided in the sliding seat 10
Chamber 11 is equipped with horizontally disposed sliding panel 12 in the sliding cavity 11, and the sliding panel 12 can be along about 10 sliding seat
It slides, is also equipped with conductive sheet mounting base 13 in the sliding cavity 11, conduction is installed in the conductive sheet mounting base 13
The internal diameter of piece 14, the cylindrical shape that the conductive sheet 14 is vertically arranged, the conductive sheet 14 is identical with the diameter of conducting rod 4,
The lower end of the conducting rod 4 is stretched into across sliding panel 12 in conductive sheet 14, and the conducting rod 4 is fixedly connected with sliding panel 12,
Transverse slat 15 is installed in the conductive sheet mounting base 13, is equipped between the transverse slat 15 and sliding panel 12 and breaks silk 16.
When capacitor internal temperature increases, air pressure rises, and when reaching critical value, the middle section of cover board is swelled outward,
And bursting diaphragm is stuck in the marginal position of aluminium lid bottom surface, a upward pulling force is generated when aluminium lid swells, pulling force effect is in conducting rod
On, when pulling force increases to the ultimate tension for breaking silk, conducting rod moves upwards, and when conducting rod is detached from conductive sheet, formation is opened
Road, capacitor do not continue to work, and would not generate hot gas expander again causes capacitor to explode；The thin-film electro of the utility model
Container generates a upward pulling force when high-temperature gas expands and cover board is caused to deform, when aluminium lid swells can act on conducting rod
On, it breaks silk when reaching the pull-off force for breaking silk and is pulled off, conducting rod is moved upwards by pulling force effect, and its underpart is detached from conductive sheet
Open circuit is formed afterwards, capacitor is effectively prevent to explode, and clever structure between conducting rod and conductive sheet breaks a pull-off force and is easy control
System, greatly strengthens the practicability of blast resistance construction.
Preferably, explosion-proof sealing ring 17, the explosion-proof sealing ring are installed between the bottom end of the connecting pole 8 and cover board 5
17 lower part is equipped with insulating board 18.
Explosion-proof sealing ring is installed between the bottom end and cover board of connecting pole, the lower part of explosion-proof sealing ring is equipped with insulating board,
Enhance the insulating properties between cover board and conducting rod.
Preferably, connecting terminal 9 is equipped with the ring baffle 19 being in contact with insulating base 6, the ring being in contact with insulating base 6
Shape baffle 19 is equipped with pitted skin layer 20.
Connecting terminal is equipped with the ring baffle being in contact with insulating base, and the ring baffle being in contact with insulating base is equipped with
Pitted skin layer enhances the frictional force between ring baffle and insulating base, keeps connecting terminal connection more firm.
For the thin film capacitor of the utility model when high-temperature gas expands and cover board is caused to deform, aluminium lid generates one when swelling
A upward pulling force can act on conducting rod, and breaking silk when reaching the pull-off force for breaking silk is pulled off, conducting rod tension masterpiece
With moving upwards, its underpart forms open circuit after being detached from conductive sheet, effectively prevent capacitor to explode, is tied between conducting rod and conductive sheet
Structure is ingenious, breaks a pull-off force and is easy to control, greatly strengthens the practicability of blast resistance construction；Further, connecting terminal is equipped with
The ring baffle being in contact with insulating base, the ring baffle being in contact with insulating base be equipped with pitted skin layer, enhancing ring baffle with
Frictional force between insulating base keeps connecting terminal connection more firm.
It should be noted that herein, if there are first and second or the like relational terms to be used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (3)
1. a kind of thin film capacitor based on Explosion-proof cap, including shell, Explosion-proof cap and fuse, the Explosion-proof cap is mounted on shell
Top, the fuse installs inside the shell, and the upper end of the fuse is equipped with conducting rod, and the upper end of the conducting rod is stretched out
Explosion-proof cap, it is characterised in that：The Explosion-proof cap includes cover board, insulating base and bursting diaphragm, and the insulating base is mounted on cover board
Upper end, the bursting diaphragm be mounted on cover board lower end, the lower end of the insulating base is provided with connecting pole, the connecting pole
It stretches into cover board, the conducting rod is mounted in insulating base, and the conducting rod is cylinder, and the upper end of the conducting rod is stretched
Go out insulating base, the upper end of the conducting rod is equipped with connecting terminal, and bursting diaphragm, the bursting diaphragm are stretched out in the lower end of the conducting rod
Lower end be provided with sliding seat, sliding cavity is provided in the sliding seat, is equipped in the sliding cavity horizontally disposed
Sliding panel, the sliding panel can be slided up and down along sliding seat, and conductive sheet mounting base is also equipped in the sliding cavity, described
Conductive sheet mounting base in conductive sheet, the cylindrical shape that the conductive sheet is vertically arranged, the internal diameter of the conductive sheet are installed
Identical with the diameter of conducting rod, the lower end of the conducting rod is stretched into across sliding panel in conductive sheet, the conducting rod and sliding
Plate is fixedly connected, and transverse slat is equipped in the conductive sheet mounting base, is equipped between the transverse slat and sliding panel and breaks silk.
2. a kind of thin film capacitor based on Explosion-proof cap according to claim 1, it is characterised in that：The bottom of the connecting pole
Explosion-proof sealing ring is installed between end and cover board, the lower part of the explosion-proof sealing ring is equipped with insulating board.
3. a kind of thin film capacitor based on Explosion-proof cap according to claim 1, it is characterised in that：Connecting terminal is equipped with
The ring baffle being in contact with insulating base, the ring baffle being in contact with insulating base are equipped with pitted skin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899920.7U CN207947173U (en) | 2017-12-29 | 2017-12-29 | A kind of thin film capacitor based on Explosion-proof cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899920.7U CN207947173U (en) | 2017-12-29 | 2017-12-29 | A kind of thin film capacitor based on Explosion-proof cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947173U true CN207947173U (en) | 2018-10-09 |
Family
ID=63700984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721899920.7U Expired - Fee Related CN207947173U (en) | 2017-12-29 | 2017-12-29 | A kind of thin film capacitor based on Explosion-proof cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207947173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113851327A (en) * | 2021-08-31 | 2021-12-28 | 朱文涛 | Thin film capacitor |
-
2017
- 2017-12-29 CN CN201721899920.7U patent/CN207947173U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113851327A (en) * | 2021-08-31 | 2021-12-28 | 朱文涛 | Thin film capacitor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20211229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |