CN214753405U - Self-healing electrolytic capacitor - Google Patents
Self-healing electrolytic capacitor Download PDFInfo
- Publication number
- CN214753405U CN214753405U CN202121144565.9U CN202121144565U CN214753405U CN 214753405 U CN214753405 U CN 214753405U CN 202121144565 U CN202121144565 U CN 202121144565U CN 214753405 U CN214753405 U CN 214753405U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- self
- healing
- support arm
- electrolytic capacitor
- Prior art date
- 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
Links
Images
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses a self-healing electrolytic capacitor relates to electrolytic capacitor technical field, including main part electric capacity and protector, the last fixed surface of main part electric capacity is connected with protector, protector's inner wall bottom surface fixedly connected with electromagnetic means, protector's inner wall bottom surface one side first positive pole of fixedly connected with and first negative pole, protector's inner wall bottom surface opposite side fixedly connected with second negative pole and second positive pole. The utility model discloses a weaken traditional self-healing capacitor produced influence when being applyed too high voltage, because possess protector for electrolytic capacitor can in time cut-off voltage when the self-healing condition takes place for the core, avoids the condenser to last overheated danger that causes the explosion, and the inner structure changes after solving electrolytic capacitor self-healing, because have the second electric capacity, changes the connection structure of main part electric capacity through protector, makes single electric capacity become the structure of two electric capacity series connections.
Description
Technical Field
The utility model relates to an electrolytic capacitor technical field, concretely relates to self-healing electrolytic capacitor.
Background
The self-healing capacitor is formed by using a single-layer polypropylene film as a medium and a layer of thin metal as a conductive electrode on the surface of the self-healing capacitor. When an over-high voltage is applied, the electric weakness of the polypropylene film is broken down, the impedance of a breakdown point is obviously reduced, the density of the flowing current is rapidly increased, so that the metalized coating generates high heat, the metal conductor around the breakdown point is rapidly evaporated and dissipated to form a blank area of the metal coating, and the breakdown point automatically recovers insulation.
The following problems exist in the prior art:
1. when the electric weakness of the polypropylene film is broken down, the voltage generated by the capacitor is suddenly increased, and the internal core is easily damaged;
2. the corresponding area of the capacitor plates decreases after the self-healing process is completed, further exacerbating the explosion hazard of the capacitor core if such a condition occurs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a self-healing electrolytic capacitor, one of which aims to provide a second capacitor as a spare capacitor, and solves the problem that the electrolytic capacitor is easy to damage due to the influence on the self structure after self-healing; the other purpose is to solve the problem that the electrolytic capacitor is easy to explode after being self-healed for many times so as to stabilize the circuit in time and protect the electrolytic capacitor.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a self-healing electrolytic capacitor, includes main part electric capacity and protector, the last fixed surface of main part electric capacity is connected with protector, protector's inner wall bottom surface fixedly connected with electromagnetic means, the first positive pole of inner wall bottom surface one side fixedly connected with and the first negative pole of protector, protector's inner wall bottom surface opposite side fixedly connected with second negative pole and second positive pole.
The electromagnetic device is provided with a vertical support arm and a transverse support arm, a movable magnetic block is fixedly connected to the top end of one side of the transverse support arm, a first conductor piece is fixedly connected to the side face of one end of the transverse support arm, a third conductor piece is fixedly connected to the side face of the other end of the transverse support arm, and a second conductor piece is fixedly connected to the top end of one side of the vertical support arm.
By adopting the technical scheme, the protection device and the electromagnetic device in the scheme have the function that after the main capacitance changes, the circuit change can be changed in time to protect the performance and safety of the main capacitance.
The utility model discloses technical scheme's further improvement lies in: the upper surface of the protection device is fixedly connected with a protection anode and a protection cathode, the tail end of the anode connecting conductor is electrically connected with the tail end of the protection anode, the side surface of the third conductor piece is in lap joint with the bottom of the cathode connecting conductor, and one side of the top end of the cathode connecting conductor is electrically connected with the tail end of the protection cathode.
By adopting the technical scheme, one end of the positive electrode connecting conductor in the scheme is connected with the protection positive electrode, and in order to ensure that the output electrodes are consistent, the third conductor piece is electrically connected with the protection negative electrode through the negative electrode connecting conductor to have the same function.
The utility model discloses technical scheme's further improvement lies in: the bottom end of the first positive electrode is fixedly connected with a first capacitor, and the bottom end of the second negative electrode is fixedly connected with a second capacitor.
By adopting the technical scheme, the first capacitor in the scheme is a main output capacitor, and the second capacitor is an auxiliary standby capacitor.
The utility model discloses technical scheme's further improvement lies in: the middle section of the fixed connection of the horizontal support arm and the vertical support arm is movably connected with the top end of the electromagnetic device.
By adopting the technical scheme, the transverse support arm and the vertical support arm in the scheme are driven to rotate by the electromagnetic device.
The utility model discloses technical scheme's further improvement lies in: the height of the first positive electrode is higher than that of the first negative electrode.
By adopting the technical scheme, the first positive electrode is higher than the first negative electrode in the scheme, so that the first positive electrode is better connected with the protection positive electrode.
Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:
1. the utility model provides a self-healing electrolytic capacitor, when traditional self-healing capacitor was applyed too high voltage, polypropylene film weak point was punctured, and breakdown point impedance obviously reduces, and the sharp increase of current density that flows through makes metallized coating produce high fever, because possess protector for electrolytic capacitor can in time cutoff voltage when the core takes place the self-healing condition, avoids the condenser to last overheated danger that causes the explosion.
2. The utility model provides a self-healing electrolytic capacitor, internal structure changes after self-healing in order to solve electrolytic capacitor, and the relative area of electric capacity polar plate reduces because have the second electric capacity, changes the connection structure of main part electric capacity through protector, makes single electric capacity become the structure of two electric capacity series connections, reduces the voltage that main part electric capacity received, solves electrolytic capacitor and to the influence that self structure produced after self-healing to reach timely stabilizing circuit, protect electrolytic capacitor's effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a separation structure of the present invention;
FIG. 3 is a schematic view of the detailed structure of the protection device of the present invention;
fig. 4 is an enlarged schematic structural view of the electromagnetic device of the present invention.
In the figure: 1. a bulk capacitance; 2. a guard; 3. protecting the positive electrode; 4. protecting the cathode; 5. a first capacitor; 6. a second capacitor; 7. a first positive electrode; 8. a first negative electrode; 9. a second negative electrode; 10. a second positive electrode; 11. a negative electrode connection conductor; 12. a positive electrode connection conductor; 13. an electromagnetic device; 14. a limiting magnet; 15. a movable magnetic block; 16. a first conductor sheet; 17. a second conductor sheet; 18. a vertical support arm; 19. a transverse support arm; 20. a third conductor sheet.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-4, the utility model provides a self-healing electrolytic capacitor, which comprises a main capacitor 1 and a protection device 2, wherein the protection device 2 is used for changing the connection property of a circuit and playing a role of timely protecting the circuit when the main capacitor 1 is self-healed, the upper surface of the main capacitor 1 is fixedly connected with the protection device 2, the inner wall bottom surface of the protection device 2 is fixedly connected with an electromagnetic device 13, the electromagnetic device 13 is a key component for controlling circuit connection, one side of the inner wall bottom surface of the protection device 2 is fixedly connected with a first positive electrode 7 and a first negative electrode 8, the height of the first positive electrode 7 is higher than that of the first negative electrode 8, the height of the first positive electrode 7 is set for better connection with the protection positive electrode 3, the other side of the inner wall bottom surface of the protection device 2 is fixedly connected with a second negative electrode 9 and a second positive electrode 10, the positions of the second negative electrode 9 and the second positive electrode 10 correspond to the first positive electrode 7 and the first negative electrode 8, the top end of the first positive pole 7 is fixedly connected with a positive pole connecting conductor 12, the positive pole connecting conductor 12 is the only unchanged connection which forms a positive pole circuit, one side of the second negative pole 9 is fixedly connected with a negative pole connecting conductor 11, the negative pole connecting conductor 11 is used for forming the negative pole connection of the circuit before the protection device 2 is started, one side of the second positive pole 10 is provided with a limiting magnet 14, the limiting magnet 14 is used for attracting the movable magnetic block 15 to play a limiting role, the electromagnetic device 13 is provided with a vertical supporting arm 18 and a transverse supporting arm 19, the transverse supporting arm 19 is fixedly connected with the middle section of the vertical supporting arm 18, the fixedly connected middle section of the transverse supporting arm 19 and the vertical supporting arm 18 is movably connected with the top end of the electromagnetic device 13, the electromagnetic device 13 is started according to the voltage change of the main capacitor 1 and is the power source for the operation of the protection device 2, the top end of one side of the transverse supporting arm 19 is fixedly connected with the movable magnetic block 15, the first conductor piece 16 is fixedly connected to one end side of the transverse supporting arm 19, the first conductor piece 16 is arranged to form an electric connection between the first negative electrode 8 and the second positive electrode 10, the third conductor piece 20 is fixedly connected to the other end side of the transverse supporting arm 19, the second conductor piece 17 is fixedly connected to one side top end of the vertical supporting arm 18, and the second conductor piece 17 is used for achieving electric connection between the second negative electrode 9 and the protection negative electrode 4 after circuit change.
In the present embodiment, the protection device 2 is used to ensure the structural safety of the main capacitor 1, and the electromagnetic device 13 disposed inside the protection device 2 is a key element for changing the electrical connection of the whole structure.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the upper surface of the protection device 2 is fixedly connected with a protection anode 3 and a protection cathode 4, the tail end of the anode connecting conductor 12 is electrically connected with the tail end of the protection anode 3, the side surface of the third conductor piece 20 is lapped with the bottom of the cathode connecting conductor 11, and one side of the top end of the cathode connecting conductor 11 is electrically connected with the tail end of the protection cathode 4.
In the present embodiment, the negative connection conductor 11 mainly serves to ensure the connection of the negative circuit of the main capacitor 1 before the operation of the protection device 2 and the connection of the negative circuit after the operation of the protection device 2.
The working principle of the self-healing electrolytic capacitor will be described in detail below.
As shown in fig. 1-4, in use, when an excessively high voltage is applied to the main capacitor 1, an electrical weak point of the polypropylene film is broken down, self-healing starts inside the main capacitor 1, at this time, the electromagnetic device 13 operates due to the excessively high voltage of the main capacitor 1, the vertical support arm 18 and the horizontal support arm 19 rotate clockwise according to an electromagnetic effect, the original circuit is disconnected, the moving magnetic block 15 adsorbs the limiting magnet 14, the first negative electrode 8 is connected with the second positive electrode 10 through the first conductor piece 16, the second negative electrode 9 is connected with the protection negative electrode 4 through the second conductor piece 17, then the overall circuit is changed, the connection of the single first capacitor 5 is changed into a series circuit of the first capacitor 5 and the second capacitor 6, the connection property of the main capacitor 1 is changed, and the voltage applied is reduced.
The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.
Claims (5)
1. The utility model provides a self-healing electrolytic capacitor, includes main part electric capacity (1) and protector (2), its characterized in that: the upper surface of the main capacitor (1) is fixedly connected with a protection device (2), the bottom surface of the inner wall of the protection device (2) is fixedly connected with an electromagnetic device (13), one side of the bottom surface of the inner wall of the protection device (2) is fixedly connected with a first positive electrode (7) and a first negative electrode (8), and the other side of the bottom surface of the inner wall of the protection device (2) is fixedly connected with a second negative electrode (9) and a second positive electrode (10);
the utility model discloses a portable computer, including electromagnetic device (13), first positive pole (7), one side fixedly connected with positive connecting conductor (12) of first positive pole (7), one side fixedly connected with negative connecting conductor (11) of second negative pole (9), one side of second positive pole (10) is provided with spacing magnet (14), electromagnetic device (13) are provided with vertical support arm (18) and horizontal support arm (19), one side top fixedly connected with of horizontal support arm (19) removes magnetic path (15), the first conductor piece of one end side fixedly connected with (16) of horizontal support arm (19), the other end side fixedly connected with third conductor piece (20) of horizontal support arm (19), one side top fixedly connected with second conductor piece (17) of vertical support arm (18).
2. A self-healing electrolytic capacitor according to claim 1, wherein: the upper surface fixed connection of protector (2) has protection positive pole (3) and protection negative pole (4), the tail end of anodal connecting conductor (12) and the tail end electric connection of protection positive pole (3), the side of third conductor piece (20) and the bottom overlap joint of negative pole connecting conductor (11), the top one side of negative pole connecting conductor (11) and the tail end electric connection of protection negative pole (4).
3. A self-healing electrolytic capacitor according to claim 1, wherein: the bottom end of the first positive electrode (7) is fixedly connected with a first capacitor (5), and the bottom end of the second negative electrode (9) is fixedly connected with a second capacitor (6).
4. A self-healing electrolytic capacitor according to claim 1, wherein: the middle section of the transverse support arm (19) is fixedly connected with the middle section of the vertical support arm (18), and the middle section of the fixed connection of the transverse support arm (19) and the vertical support arm (18) is movably connected with the top end of the electromagnetic device (13).
5. A self-healing electrolytic capacitor according to claim 1, wherein: the first positive electrode (7) is higher than the first negative electrode (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121144565.9U CN214753405U (en) | 2021-05-26 | 2021-05-26 | Self-healing electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121144565.9U CN214753405U (en) | 2021-05-26 | 2021-05-26 | Self-healing electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214753405U true CN214753405U (en) | 2021-11-16 |
Family
ID=78625458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121144565.9U Expired - Fee Related CN214753405U (en) | 2021-05-26 | 2021-05-26 | Self-healing electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214753405U (en) |
-
2021
- 2021-05-26 CN CN202121144565.9U patent/CN214753405U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207124245U (en) | Secondary battery | |
| CN203720267U (en) | Photovoltaic inverter insulation resistor detection circuit | |
| CN203826457U (en) | High-voltage nickel-metal hydride battery with high heat dissipation function and safety device | |
| JPWO2016152292A1 (en) | Electric double layer capacitor | |
| CN214753405U (en) | Self-healing electrolytic capacitor | |
| CN104465082B (en) | Low inductive power capacitor | |
| CN109950013B (en) | Ceramic chip and piezoresistor | |
| CN106783224A (en) | A kind of multi pole ears ultracapacitor and lug localization method | |
| CN202940581U (en) | Novel protection assembly constituted by discharging mechanism and piezoresistor | |
| CN209472067U (en) | A kind of lamination type electric pool structure | |
| CN205542404U (en) | Explosion -proof capacitor | |
| CN204834349U (en) | Electric capacity | |
| CN204130352U (en) | The non-solid electrolyte tantalum electrolytic capacitor of a kind of composite type | |
| CN207149409U (en) | A kind of shockproof structure of noinductive capacitor | |
| CN206312762U (en) | The anti-riot thin film capacitor of high withstand voltage | |
| CN203104271U (en) | Filter assembly for restraining transient characteristic of power source | |
| CN206401186U (en) | A kind of positive and negative electrode rapid translating charging phase modulation apparatus | |
| CN105679536A (en) | Low-inductance power electronic capacitor | |
| CN213242267U (en) | High surge-resistant ceramic capacitor | |
| CN205177609U (en) | Condenser lead wire mounting structure | |
| CN203445659U (en) | High voltage spark discharge power supply system | |
| CN103681171A (en) | Ceramic gas discharge tube | |
| CN208706455U (en) | A kind of cylindrical capacitor with temperature protection | |
| CN204391181U (en) | The syndeton of Soft Roll poly-lithium battery group | |
| CN211628893U (en) | Paster ceramic capacitor |
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: 20211116 |