CN208970354U - A kind of self-healing filter condenser - Google Patents
A kind of self-healing filter condenser Download PDFInfo
- Publication number
- CN208970354U CN208970354U CN201821867237.XU CN201821867237U CN208970354U CN 208970354 U CN208970354 U CN 208970354U CN 201821867237 U CN201821867237 U CN 201821867237U CN 208970354 U CN208970354 U CN 208970354U
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- China
- Prior art keywords
- copper sheet
- capacitor
- inner casing
- sliding plate
- self
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Abstract
The utility model discloses a kind of self-healing filter condensers, including shell, capacitor inner casing, capacitor element, connecting terminal and ground terminal, the capacitor inner casing is additionally provided with explosion-protection equipment, and the explosion-protection equipment includes sliding plate, insurance copper sheet, sealing ring, conductive copper sheet, dielectric resilience part, positioning ring.The utility model has the following advantages that and effect: being jacked up sliding plate in capacitor inner casing by the gas of expanded by heating in capacitor inner casing, after causing insurance copper sheet to separate with conductive copper sheet, although capacitor element stops fever, the generation for the problem of capacitor explodes effectively is avoided.
Description
Technical field
The utility model relates to the technical field of low-voltage power system component, in particular to a kind of self-healing filter capacitor
Device.
Background technique
Whether capacitor is compensated as current domestic electrical System Reactive Power, and a kind of widely applied reactive power source, may be used
Electric system can be directly related to by operation safe and stable and economical operation.Existing noinductive capacitor is varied especially
The most extensive to cross pressure type noinductive capacitor, principle is: when capacitor core punctures, formation short circuit can generate a large amount of gas
Body, the housing parts most easily to deform in entire capacitor deform, and fuse or insurance copper sheet are pulled off, cutting electricity
Source, so that the capacitor to work is in off state.
Notification number is the Chinese patent of CN204257408, discloses a kind of " self-healing ac filter capacitor ", discloses
A kind of capacitor, including capacitor case, capacitor inner casing, capacitor element, connecting terminal and ground terminal.Also have additional one
A explosion-proof the case where being arranged for avoiding shell from exploding because of gas expansion.Conductive column, insurance copper is arranged in the capacitor inner casing
Piece and conductive copper sheet.Capacitor element is connected with insurance copper sheet by the conductive copper sheet on conductive column to be connected with connecting terminal.
When capacitor element causes short circuit to generate gas, it will lead to capacitor inner casing and deform, after leading to conductive column deformation occurs
Conductive copper sheet and insurance copper sheet are pulled off, capacitor failure, but due to capacitor inner casing because gas can only occur irregularly
Deformation, there is also possibilities: conductive column is not pullled disconnected, and capacitor inner casing explodes because of gas expansion.
Utility model content
The purpose of the utility model is to provide a kind of self-healing filter condensers, have capacitor element after capacitor short-circuit
The effect necessarily disconnected with connecting terminal.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of self-healing filtered electrical
Container, including shell, capacitor inner casing, capacitor element, connecting terminal and ground terminal, the capacitor inner casing are additionally provided with
Explosion-protection equipment, the explosion-protection equipment include
The sliding plate of the capacitor inner casing is arranged in sliding, and the sliding plate lower end surface is provided with insurance copper sheet, described
Insurance copper sheet is electrically connected with the connecting terminal, and the sliding plate outer wall, which is provided with, is connected to the close of the capacitor inner casing inner wall
Seal；
It is fixed on the capacitor inner casing and the conductive copper sheet for connecting the capacitor element,
One end is connected to the capacitor inner casing and the other end is connected to the insurance copper behind the sliding plate upper surface
Piece is connected to the dielectric resilience part of the conductive copper sheet；
The capacitor inner casing is convexly equipped with for the insurance copper sheet and the conduction to be isolated above the conductive copper sheet
The positioning ring of copper sheet.
By using above-mentioned technical proposal, capacitor inner casing is provided with capacitor inner casing, conductive copper to lower and last
Piece, the sliding plate for insuring copper sheet, installation insurance copper sheet.It is also set up between sliding plate and capacitor inner casing top inner surface simultaneously
There is dielectric resilience part, by the dielectric resilience part, the insurance copper sheet that lower section is arranged can be pressed in conductive copper always by sliding plate
Piece, it is final to realize that capacitor element is electrically connected with the connecting terminal that shell upper end is arranged.Short circuit is formed when breakdown occurs for capacitor
When, heat can be generated, peculiar expansion is caused, capacitor inner casing is installed capacitor by the sealing ring of setting by another aspect sliding plate
The space of device element is sealed, thus when expanded by heating occurs for the gas in the region, sliding plate can up be opened.When
Sliding plate is persistently moved up by gas, after entering the upper end of positioning ring of capacitor inner casing setting, by conductive copper sheet and insurance copper
Piece separation, capacitor stops fever, simultaneously because the positioning of positioning ring, conductive copper sheet and insurance copper sheet will not be electrically connected again.
The generation for the case where exploding this configuration avoids capacitor inner body expanded by heating, greatly improve capacitor safety and can
By property, while the safety of user is also ensured.
The utility model is further arranged to: capacitor inner casing upper end is provided with installation lid, and the installation lid is set
Be equipped with positioning pipe, the sliding plate grafting is positioned at the positioning pipe outer wall, the insurance copper sheet be provided be fed through it is described fixed
For connecting the connecting line of the connecting terminal after the pipe of position.
By using above-mentioned technical proposal, the positioning pipe being arranged in installation lid is capable of the position of positioning sliding plate lower end, together
When also define the axial sliding of sliding plate, prevent sliding plate from deflecting when sliding in capacitor inner casing.On the other hand it protects
Connecting line is arranged on dangerous copper sheet can be entered in inner casing by the central cavity of positioning pipe, realize connect with connecting terminal afterwards.
The utility model is further arranged to: the sliding plate is provided with counter sink, and the positioning pipe lower end setting is used
In the stop collar for limiting the sliding plate.
By using above-mentioned technical proposal, the stop collar of positioning pipe lower end setting can be embedded the counter sink of sliding plate
Interior, surface slide plate falls off out of positioning pipe.
The utility model is further arranged to: the positioning pipe upper end is provided with the sealing worn for the connecting line
Part.
By using above-mentioned technical proposal, since the connecting line of insurance copper sheet needs to extend in shell, thus will certainly
Generate some gaps, thus by the setting of sealing element, avoid the gas in capacitor inner casing enter directly into shell and
The generation for the problem of causing sliding plate to fail.
The utility model is further arranged to: the sliding plate is provided with the mounting groove for installing the sealing ring,
The sealing ring rectangular in cross-section shape, the arc-shaped shape in positioning ring end face section.
By using above-mentioned technical proposal, rectangular-shaped sealing ring can effectively avoid the mounting groove being arranged from sliding plate
Inside fall off.The arc shape of another aspect positioning ring can allow sealing ring is relatively easy to pass through, but can still play simultaneously into
The purpose of row positioning.
The utility model is further arranged to: the insurance copper sheet, which is provided with, is plugged in grafting on the conductive copper sheet
Piece, the length of the insert-connecting plate are less than the vertical range that the stop collar topmost arrives the conductive copper sheet.
By using above-mentioned technical proposal, the length of insert-connecting plate can make when sliding plate slides, and capacitor element remains unchanged
When can generate heat, and enter stop collar upper end, insurance copper sheet is directly separated with conductive copper sheet, it is ensured that capacitor element is no longer lasting
Fever is insured copper sheet at this time and is no longer electrically connected again because of the presence of dielectric resilience part with conductive copper sheet.
The utility model is further arranged to: the capacitor casing is provided with the fixed plate with venthole, described
Conductive copper sheet is fixed in the fixed plate, and the conductive copper sheet is provided with the conductor wire for connecting the capacitor element.
By using above-mentioned technical proposal, fixed plate can allow the gas of expanded by heating while playing fixed conductive copper sheet
It is contacted by venthole with sliding plate.
The utility model is further arranged to: the dielectric resilience part includes the rubber layer of spring and spring outer wall.
By using above-mentioned technical proposal, the setting of rubber layer directly completely cut off spring and capacitor inner casing and sliding plate it
Between exist electrical connection a possibility that, improve the safety and reliability of capacitor.
In conclusion the utility model has the following beneficial effects: the gas by expanded by heating in capacitor inner casing will
Sliding plate jacks up in capacitor inner casing, after causing insurance copper sheet to separate with conductive copper sheet, although capacitor element stops fever,
Effectively avoid the generation for the problem of capacitor explodes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shell；
Fig. 2 is the cross section view of capacitor；
Fig. 3 is the structural schematic diagram of capacitor inner casing；
Fig. 4 is the perspective view of the explosion of anti-explosion mechanism；
Fig. 5 is the portion A shown in Fig. 3 enlarged diagram.
In figure: 1, shell；2, capacitor inner casing；3, capacitor element；4, connecting terminal；5, ground terminal；6, sliding plate；
7, insure copper sheet；8, sealing ring；9, conductive copper sheet；10, dielectric resilience part；11, positioning ring；12, installation lid；13, positioning pipe；
14, connecting line；15, counter sink；16, stop collar；17, sealing element；18, mounting groove；19, insert-connecting plate；20, fixed plate；21, it ventilates
Hole；22, conductor wire；23, spring；24, rubber layer.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of self-healing filter condenser, referring to Figures 1 and 2, including shell 1, capacitor inner casing 2, capacitor element 3,
Connecting terminal 4, ground terminal 5.Capacitor inner casing 2 there are three placing in shell 1, is arranged multiple in each capacitor inner casing 2
The capacitor element 3 of proper alignment from top to bottom is mutually in parallel between capacitor element 3.Three connecting terminals 4 and ground terminal
5 are arranged on the top cover of shell 1, and the position of connecting terminal 4 and quantity are corresponding with capacitor inner casing 2 and connect.
Referring to Fig. 3 and Fig. 4, in connecting terminal 4(referring to Fig. 2) and capacitor inner casing 2 between be additionally provided with explosion-protection equipment, it is anti-
Quick-fried device includes sliding plate 6, insurance copper sheet 7, conductive copper sheet 9, dielectric resilience part 10.In 2 upper end of capacitor inner casing also to convex
Equipped with positioning ring 11, positioning ring 11 is used for the position of positioning sliding plate 6.Conductive copper sheet 9, which is mounted on above capacitor element 3, to be passed through
Conductor wire 22 is electrically connected with capacitor element 3, and 6 weeks wall slips of sliding plate are arranged on the inner wall of capacitor inner casing 2, insures copper sheet
7 are mounted on the lower end surface of sliding plate 6, and are provided with connecting line 14(reference Fig. 2 for connecting connecting terminal 4).Pass through capacitor
The dielectric resilience part 10 being arranged on device inner casing 2 compresses sliding plate 6 towards 9 direction of conductive copper sheet, conductive copper sheet 9 and insurance copper sheet
7 connect always.When the expansion of 1 internal gas of capacitor casing, sliding plate 6 enters 11 top of positioning ring, passes through positioning ring 11
Insurance copper sheet 7 and conductive copper sheet 9 are separated from each other by the position for limiting sliding plate 6, and realization avoids 3 persistent fever of capacitor element
And it sets off an explosion.
Referring to Fig. 3 and Fig. 5,2 upper end of capacitor inner casing is one piece of installation lid 12, and installation 12 medium position of lid is vertically provided with
The positioning pipe 13 of a piece hollow form, sliding plate 6 are located on the positioning pipe 13 by the counter sink 15 that middle part is arranged, while at this
A dielectric resilience part 10 made of the spring 23 with rubber layer 24 is also arranged on positioning pipe 13.10 both ends of dielectric resilience part
It is connected on installation lid 12 and sliding plate 6 respectively.Sliding plate 6 is detached from by dielectric resilience part 10 from positioning pipe 13 in order to prevent,
It is additionally provided with stop collar 16 in the lower end of positioning pipe 13, the caliber of the stop collar 16 is greater than counter sink 15 set by sliding plate 6
Aperture aperture, effectively prevent sliding plate 6 and fall off from positioning pipe 13.The setting of another aspect counter sink 15 can will be determined
The lower end of position pipe 13 is hidden on the sliding plate 6, and avoiding contacting with the conductive copper sheet 9 of lower section simultaneously can carry out sliding plate 6
Positioning.
Referring to Fig. 3, sliding plate 6 and dielectric resilience part 10 during installation, can be first by sliding plates 6 and 10 sets of dielectric resilience part
It is set in positioning pipe 13, then positioning pipe 13 and installation lid 12 is fixed again, it can be using welding, the side such as threaded connection
Formula.Insurance copper sheet 7 is mounted on the lower end surface of sliding plate 6, while set connecting line 14 can pass through 13 interposition of positioning pipe
It sets and extends to 2 outer end of capacitor inner casing, finally in the setting of the top of positioning pipe 13 in the sealing element 17 made of colloidal sol.
Referring to Fig. 3 and Fig. 4, the side of sliding plate 6 is also provided with rectangular-shaped mounting groove 18, is arranged in the mounting groove 18
There is a sealing ring 8 made of rubber, the cross sectional shape of sealing ring 8 is equally rectangular.When sliding plate 6 is installed to capacitor
When inner casing 2, the periphery wall of sealing ring 8 is pushed against on the end face of capacitor inner casing 2, realizes capacitor inner casing 2 being divided into two
Cavity.11 section of positioning ring that capacitor inner casing 2 is arranged is in arc-shaped so that installed in capacitor inner casing 2 when sliding plate 6 or
When person slides, sealing ring 8 can pass through the positioning ring 11 under the external force of some strength.
Conductive copper sheet 9 is mounted on the fixed plate 20(of clamping positioning in capacitor casing 1 referring on Fig. 4), and fixed plate 20 can
To be welded and fixed after installing capacitor element 3, venthole 21 is additionally provided in the fixed plate for air circulation.It is conductive
Conductor wire 22 is arranged on one end of copper sheet 9 to connect with capacitor element 3.It is downward on the insurance copper sheet 7 on sliding plate 6 referring to Fig. 4
Bending is provided with insert-connecting plate 19, which, which can be inserted on conductive copper sheet 9, realizes the two connection.The length of the insert-connecting plate 19 must
It must be conductive less than the vertical range of 16 the top of stop collar to conductive copper sheet 9, when so that being moved on on sliding plate 6 on positioning ring 11
Both copper sheet 9 and insurance copper sheet 7 can be separated from each other.
The explosion-proof principle of explosion-protection equipment:
Sliding plate 6 will insure copper sheet 7 and conductive copper sheet 9 by dielectric resilience part 10 and be in connection status always, lead to simultaneously
The inner wall for crossing sealing ring 8 and capacitor inner casing 2, which is abutted against, is divided into two individual cavities for capacitor inner casing 2；Capacitor element 3
It can generate heat after short circuit, the air heats being provided in the cavity of capacitor element 3 and conductive copper sheet 9 is caused to expand, thus expand
Air can by sliding plate 6 toward installation 12 direction of lid be top driving, can be by cunning when air pressure reaches a certain level
It moves plate 6 and ejects 11 upper end of positioning ring that 6 top of sliding plate is set originally, insure copper sheet 7 at this time and conductive copper sheet 9 mutually divides
From, thus capacitor element 3 no longer generates heat, while again since the presence of positioning ring 11 insures copper sheet 7 and conductive copper sheet 9 not
It reconnects, finally avoids the result of capacitor explosion.
Specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Claims (8)
1. a kind of self-healing filter condenser, including shell (1), capacitor inner casing (2), capacitor element (3), connecting terminal
(4) and ground terminal (5), the capacitor inner casing (2) are additionally provided with explosion-protection equipment, it is characterised in that: the explosion-protection equipment packet
It includes
In the sliding plate (6) of the capacitor inner casing (2), sliding plate (6) lower end surface is provided with insurance copper sheet for sliding setting
(7), the insurance copper sheet (7) is electrically connected with the connecting terminal (4), sliding plate (6) outer wall be provided be connected to it is described
The sealing ring (8) of capacitor inner casing (2) inner wall；
It is fixed on the capacitor inner casing (2) and the conductive copper sheet (9) for connecting the capacitor element (3)；
One end is connected to the capacitor inner casing (2) and the other end is connected to the insurance behind the sliding plate (6) upper surface
Copper sheet (7) is connected to the dielectric resilience part (10) of the conductive copper sheet (9)；
The capacitor inner casing (2) is convexly equipped with above the conductive copper sheet (9) for the insurance copper sheet (7) and described to be isolated
The positioning ring (11) of conductive copper sheet (9).
2. a kind of self-healing filter condenser according to claim 1, it is characterised in that: on the capacitor inner casing (2)
End is provided with installation lid (12), and the installation lid (12) is provided with positioning pipe (13), and sliding plate (6) grafting is positioned at described
Positioning pipe (13) outer wall, the insurance copper sheet (7), which is provided with, is fed through the positioning pipe (13) afterwards for connecting the terminals
The connecting line (14) of sub (4).
3. a kind of self-healing filter condenser according to claim 2, it is characterised in that: the sliding plate (6) is provided with
The stop collar (16) for limiting the sliding plate (6) is arranged in counter sink (15), positioning pipe (13) lower end.
4. a kind of self-healing filter condenser according to claim 3, it is characterised in that: positioning pipe (13) upper end is set
It is equipped with the sealing element (17) worn for the connecting line (14).
5. a kind of self-healing filter condenser according to claim 3 or 4, it is characterised in that: sliding plate (6) setting
There are the mounting groove (18) for installing the sealing ring (8), sealing ring (8) the rectangular in cross-section shape, the positioning ring (11)
The arc-shaped shape in end face section.
6. a kind of self-healing filter condenser according to claim 5, it is characterised in that: insurance copper sheet (7) setting
It is plugged in insert-connecting plate (19) on the conductive copper sheet (9), the length of the insert-connecting plate (19) is less than the stop collar (16) most
Vertical range of the upper end to the conductive copper sheet (9).
7. a kind of self-healing filter condenser according to claim 1, it is characterised in that: the capacitor casing (1) sets
It is equipped with the fixed plate (20) with venthole (21), the conductive copper sheet (9) is fixed on the fixed plate (20), the conductive copper
Piece (9) is provided with the conductor wire (22) for connecting the capacitor element (3).
8. a kind of self-healing filter condenser according to claim 1, it is characterised in that: dielectric resilience part (10) packet
Include the rubber layer (24) of spring (23) and spring (23) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867237.XU CN208970354U (en) | 2018-11-13 | 2018-11-13 | A kind of self-healing filter condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867237.XU CN208970354U (en) | 2018-11-13 | 2018-11-13 | A kind of self-healing filter condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208970354U true CN208970354U (en) | 2019-06-11 |
Family
ID=66765274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821867237.XU Expired - Fee Related CN208970354U (en) | 2018-11-13 | 2018-11-13 | A kind of self-healing filter condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208970354U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853929A (en) * | 2019-11-15 | 2020-02-28 | 安徽航睿电子科技有限公司 | Lithium ion capacitor |
| CN115101334A (en) * | 2022-07-28 | 2022-09-23 | 佛山市迅景电气有限公司 | Large industrial capacitor capable of automatically switching on and off |
| CN115913157A (en) * | 2023-01-07 | 2023-04-04 | 北京泰派斯特科技发展有限公司 | Filter shell provided with safety seat |
-
2018
- 2018-11-13 CN CN201821867237.XU patent/CN208970354U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853929A (en) * | 2019-11-15 | 2020-02-28 | 安徽航睿电子科技有限公司 | Lithium ion capacitor |
| CN110853929B (en) * | 2019-11-15 | 2021-12-14 | 安徽航睿电子科技有限公司 | Lithium ion capacitor |
| CN115101334A (en) * | 2022-07-28 | 2022-09-23 | 佛山市迅景电气有限公司 | Large industrial capacitor capable of automatically switching on and off |
| CN115101334B (en) * | 2022-07-28 | 2024-03-12 | 佛山市迅景电气有限公司 | Large industrial capacitor capable of being automatically powered on and powered off |
| CN115913157A (en) * | 2023-01-07 | 2023-04-04 | 北京泰派斯特科技发展有限公司 | Filter shell provided with safety seat |
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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 |
Granted publication date: 20190611 Termination date: 20211113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |