CN209895923U - Self-healing low-voltage parallel capacitor - Google Patents
Self-healing low-voltage parallel capacitor Download PDFInfo
- Publication number
- CN209895923U CN209895923U CN201920768481.9U CN201920768481U CN209895923U CN 209895923 U CN209895923 U CN 209895923U CN 201920768481 U CN201920768481 U CN 201920768481U CN 209895923 U CN209895923 U CN 209895923U
- Authority
- CN
- China
- Prior art keywords
- self
- soft board
- groove
- capacitor case
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a self-healing low pressure shunt capacitance ware, including capacitor case, capacitor case's inner wall is provided with the fixed plate, the inside below that is located the fixed plate of capacitor case is provided with fills the inner chamber, the inside of filling the inner chamber is provided with inert particle and electric capacity medium, the inside top that is located the fixed plate of capacitor case is provided with insulating soft board and overload protection ware, overload protection ware is located the lower surface of insulating soft board, and capacitor case's lateral wall is located insulating soft board department and has seted up the draw-in groove. A self-healing low pressure shunt capacitance ware, be provided with protection device, overload protection ware and wiring cover, not only can prevent that the terminal from receiving the erosion, prevent rainwater infiltration, it is safer, overload protection ware can be at overload protection circuit often, prevent that the condenser from damaging, the wiring of wiring cover is more firm and safe.
Description
Technical Field
The utility model relates to a self-healing capacitor field, in particular to self-healing low pressure shunt capacitance ware.
Background
The self-healing capacitor adopts a single-layer polypropylene film as a medium, and a layer of thin metal is evaporated on the surface of the single-layer polypropylene film to be used as a conductive electrode. When an over-high voltage is applied, the electric weak point of the polypropylene film is broken down, the resistance of the breakdown point is obviously reduced, the density of the flowing current is sharply increased, the metalized plating layer generates high heat, the metal conductor around the breakdown point is quickly evaporated and dissipated to form a blank area of the metal plating layer, and the breakdown point automatically recovers insulation. However, when the existing capacitor is used, the wiring terminal is exposed outside for a long time, the wiring terminal is easy to corrode and even get an electric shock, the wiring terminal is not firmly connected with a three-phase lead, wiring is easy to loosen, and a circuit is easy to burn out when current is overloaded, so that the capacitor is dangerous.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a self-healing low-voltage parallel capacitor, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a self-healing low pressure shunt capacitance ware, includes capacitor case, capacitor case's inner wall is provided with the fixed plate, capacitor case's inside is located the below of fixed plate and is provided with the packing inner chamber, the inside of packing the inner chamber is provided with inert particle and electric capacity medium, capacitor case's inside is located the top of fixed plate and is provided with insulating soft board and overload protection ware, overload protection ware is located the lower surface of insulating soft board, and capacitor case's lateral wall is located insulating soft board department and has seted up the draw-in groove, be provided with the terminal on the insulating soft board, the cover has the wire sleeve on the terminal, the top that is located insulating soft board in the capacitor case is provided with protection device, one side of capacitor case is located protection device department and is provided with the.
Preferably, protection device includes fixed block, protective sheath, pull ring, reservation groove, visor, protection groove and wire groove, the protection groove has been seted up to the lower surface of visor, the inside in protection groove is provided with the protective sheath, the reservation groove has been seted up on the protective sheath, one side of visor is located and is provided with the wire groove with reservation hole department, and the last skin weld of visor has the fixed block, be provided with the pull ring on the fixed block.
Preferably, the overload protection device includes fixing bolt, armature, iron core, fuse and wire winding, armature passes through fixing bolt to be fixed on the insulating soft board, the iron core passes through the wire winding and twines on the fixed plate, electric connection has the fuse on the wire winding.
Preferably, the wiring sleeve comprises a wiring hole, a first threaded hole, a pin, a second threaded hole and an insulating sleeve, the wiring hole is formed in the upper end of the insulating sleeve, the second threaded hole and the first threaded hole are formed in the insulating sleeve, the first threaded hole is communicated with the wiring hole, and the pin is arranged in the first threaded hole.
Preferably, the capacitor medium is wrapped with an acrylic film by a metal foil.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in, be provided with protection device, protection device not only can prevent that the terminal from taking place the oxidation and rustting, can also prevent the rainwater infiltration simultaneously, and is safer, and overload protection ware can prevent that the condenser from continuing to burn out the wire overload protection circuit often, and the working connection cover makes terminal and wire be connected more firmly and safety.
Drawings
Fig. 1 is a schematic view of the overall structure of a self-healing low-voltage parallel capacitor according to the present invention;
fig. 2 is an internal schematic view of the self-healing low-voltage parallel capacitor of the present invention;
fig. 3 is a schematic view of a protection device for a self-healing low-voltage parallel capacitor according to the present invention;
fig. 4 is a schematic view of an overload protector of the self-healing low-voltage parallel capacitor according to the present invention;
fig. 5 is a schematic diagram of a wiring sleeve of the self-healing low-voltage parallel capacitor of the present invention.
In the figure: 1. a capacitor case; 2. a binding post; 3. a card slot; 4. a protection device; 401. a fixed block; 402. a protective sleeve; 403. a pull ring; 404. reserving a groove; 405. a protective cover; 406. a protective groove; 407. an outlet groove; 5. reserving a hole; 6. inert particles; 7. a metal foil; 8. a propylene film; 9. a capacitive medium; 10. an overload protector; 1001. fixing the bolt; 1002. an armature; 1003. an iron core; 1004. a fuse; 1005. winding; 11. an insulating flexible board; 12. a fixing plate; 13. filling the inner cavity; 14. a wiring sleeve; 1401. a wiring hole; 1402. a first threaded hole; 1403. a pin; 1404. a second threaded hole; 1405. and an insulating sleeve.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-5, a self-healing low-voltage parallel capacitor includes a capacitor case 1, a fixing plate 12 is disposed on an inner wall of the capacitor case 1, a filling cavity 13 is disposed inside the capacitor case 1 below the fixing plate 12, an inert particle 6 and a capacitance medium 9 are disposed inside the filling cavity 13, an insulating soft board 11 and an overload protector 10 are disposed inside the capacitor case 1 above the fixing plate 12, the overload protector 10 is disposed on a lower surface of the insulating soft board 11, a clamping groove 3 is disposed on a side wall of the capacitor case 1 at the insulating soft board 11, a binding post 2 is disposed on the insulating soft board 11, a binding sleeve 14 is sleeved on the binding post 2, a protection device 4 is disposed inside the capacitor case 1 above the insulating soft board 11, and a reserved hole 5 is disposed on a side of the capacitor case 1 at the protection device 4;
the protection device 4 comprises a fixed block 401, a protection sleeve 402, a pull ring 403, a reserved groove 404, a protection cover 405, a protection groove 406 and an outlet groove 407, the protection groove 406 is formed in the lower surface of the protection cover 405, the protection sleeve 402 is arranged inside the protection groove 406, the reserved groove 404 is formed in the protection cover 402, the outlet groove 407 is formed in the position, located at the reserved hole 5, of one side of the protection cover 405, the fixed block 401 is welded to the upper surface of the protection cover 405, and the pull ring 403 is arranged on the fixed block 401; the overload protector 10 includes a fixing bolt 1001, an armature 1002, a core 1003, a fuse 1004, and a winding 1005, wherein the armature 1002 is fixed on the soft insulating board 11 by the fixing bolt 1001, the core 1003 is wound on the fixing board 12 by the winding 1005, and the fuse 1004 is electrically connected to the winding 1005; the wiring sleeve 14 comprises a wiring hole 1401, a first threaded hole 1402, a pin 1403, a second threaded hole 1404 and an insulating sleeve 1405, wherein the wiring hole 1401 is formed in the upper end of the insulating sleeve 1405, the second threaded hole 1404 and the first threaded hole 1402 are formed in the insulating sleeve 1405, the first threaded hole 1402 is communicated with the wiring hole 1401, and the pin 1403 is arranged in the first threaded hole 1402; the capacitor medium 9 is wrapped with an acrylic film 8 by a metal foil 7.
It should be noted that, the utility model relates to a self-healing low-voltage parallel capacitor, before using, the three-phase wire is passed through the prepared hole 5, then each wire is passed through the wiring hole 1401 in the three wire sleeves 14, and is screwed with the first screw hole 1402 through the pin 1403 and is clamped with the wire, at this time, the second screw hole 1404 of the insulating sleeve 1405 is screwed with the terminal 2, at this time, the three-phase wire is jointed with the terminal 2 in the protection groove 406, then the protection sleeve 402 is clamped with the wire sleeve 14, and then the wire is pulled out from the prepared groove 404 and the wire outlet groove 407, at this time, the terminal 2 and the wire sleeve 14 are protected by the protection device 4, and then, when applying too high voltage, the electric weak point of the propylene film 8 of the capacitance medium 9 is broken down, the resistance at the break-through point is obviously reduced, the density of the flowing current is sharply increased, so that the metal foil 7 generates high heat, the inert particles 6 around the break-through point are quickly evaporated and dissipated, breakdown point automatic recovery is insulating, because overload protector 10 is connected with the main circuit, when the electric current is too big, fuse 1004 can be burnt out to the electric current, make winding 1005 around on iron core 1003 uncharged, iron core 1003 loses magnetism this moment, make armature 1002 and iron core 1003 not actuation each other, because armature 1002 passes through fixing bolt 1001 to be fixed on insulating soft board 11, make insulating soft board 11 perk upwards, make terminal 2 of terminal 2 and the contact phase separation on the fixed plate 12, thereby the condenser is uncharged, avoid the component damage in condenser case 1 and the filling inner chamber 13, influence the use, when overhauing, can pull up pull ring 403 on the fixed block 401, take out protection device 4, overhaul.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A self-healing low-voltage parallel capacitor is characterized in that: including capacitor case (1), the inner wall of capacitor case (1) is provided with fixed plate (12), the inside below that is located fixed plate (12) of capacitor case (1) is provided with fills inner chamber (13), the inside of filling inner chamber (13) is provided with inert particle (6) and electric capacity medium (9), the inside top that is located fixed plate (12) of capacitor case (1) is provided with insulating soft board (11) and overload protector (10), overload protector (10) are located the lower surface of insulating soft board (11), and the lateral wall of capacitor case (1) is located insulating soft board (11) and has seted up draw-in groove (3), be provided with terminal (2) on insulating soft board (11), the cover has wiring cover (14) on terminal (2), the top that is located insulating soft board (11) in capacitor case (1) is provided with protection device (4), one side of the capacitor shell (1) is provided with a preformed hole (5) at the position of the protection device (4).
2. A self-healing low-voltage parallel capacitor according to claim 1, wherein: protection device (4) are including fixed block (401), protective sheath (402), pull ring (403), reserve groove (404), visor (405), protection groove (406) and wire-out groove (407), protection groove (406) have been seted up to the lower surface of visor (405), the inside of protection groove (406) is provided with protective sheath (402), reserve groove (404) have been seted up on protective sheath (402), one side of visor (405) is located and is provided with wire-out groove (407) with reserve hole (5) department, and the upper surface welding of visor (405) has fixed block (401), be provided with pull ring (403) on fixed block (401).
3. A self-healing low-voltage parallel capacitor according to claim 1, wherein: overload protector (10) include fixing bolt (1001), armature (1002), iron core (1003), fuse (1004) and wire winding (1005), armature (1002) are fixed through fixing bolt (1001) on insulating soft board (11), iron core (1003) are twined through wire winding (1005) on fixed plate (12), electrically connected with fuse (1004) on wire winding (1005).
4. A self-healing low-voltage parallel capacitor according to claim 1, wherein: the wiring sleeve (14) comprises a wiring hole (1401), a first threaded hole (1402), a pin (1403), a second threaded hole (1404) and an insulating sleeve (1405), the wiring hole (1401) is formed in the upper end of the insulating sleeve (1405), the second threaded hole (1404) and the first threaded hole (1402) are formed in the insulating sleeve (1405), the first threaded hole (1402) is communicated with the wiring hole (1401), and the pin (1403) is arranged in the first threaded hole (1402).
5. A self-healing low-voltage parallel capacitor according to claim 1, wherein: the capacitor medium (9) is wrapped with an acrylic film (8) through a metal foil (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920768481.9U CN209895923U (en) | 2019-05-27 | 2019-05-27 | Self-healing low-voltage parallel capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920768481.9U CN209895923U (en) | 2019-05-27 | 2019-05-27 | Self-healing low-voltage parallel capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209895923U true CN209895923U (en) | 2020-01-03 |
Family
ID=69021059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920768481.9U Active CN209895923U (en) | 2019-05-27 | 2019-05-27 | Self-healing low-voltage parallel capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209895923U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164585A (en) * | 2020-09-30 | 2021-01-01 | 实德电气有限公司 | Low-voltage self-healing parallel capacitor |
| CN112908694A (en) * | 2021-01-21 | 2021-06-04 | 倪新军 | Power capacitor device with hierarchical antidetonation function |
| CN116544031A (en) * | 2023-05-31 | 2023-08-04 | 广东电网有限责任公司佛山供电局 | Protective device for protecting wiring terminal of high-voltage capacitor and application method of protective device |
| CN116544031B (en) * | 2023-05-31 | 2024-04-19 | 广东电网有限责任公司佛山供电局 | Protective device for protecting wiring terminal of high-voltage capacitor and application method of protective device |
-
2019
- 2019-05-27 CN CN201920768481.9U patent/CN209895923U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164585A (en) * | 2020-09-30 | 2021-01-01 | 实德电气有限公司 | Low-voltage self-healing parallel capacitor |
| CN112908694A (en) * | 2021-01-21 | 2021-06-04 | 倪新军 | Power capacitor device with hierarchical antidetonation function |
| CN116544031A (en) * | 2023-05-31 | 2023-08-04 | 广东电网有限责任公司佛山供电局 | Protective device for protecting wiring terminal of high-voltage capacitor and application method of protective device |
| CN116544031B (en) * | 2023-05-31 | 2024-04-19 | 广东电网有限责任公司佛山供电局 | Protective device for protecting wiring terminal of high-voltage capacitor and application method of protective device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209895923U (en) | Self-healing low-voltage parallel capacitor | |
| CN205645544U (en) | Aluminum electrolytic capacitor | |
| CN101997343A (en) | Novel pulse power accumulator with high specific volume and large current | |
| CN202142736U (en) | Earth leakage protection plug | |
| CN202167713U (en) | Leakage protective plug | |
| CN102364762A (en) | Leakage protection plug | |
| CN201754370U (en) | Self-healing low-voltage capacitor pressure protection device | |
| CN202260374U (en) | Earth leakage protection device | |
| CN101840780B (en) | Self-healing low-voltage reactive power compensation capacitor | |
| CN211016786U (en) | Thin film capacitor and energy storage welding machine using same | |
| CN102568965A (en) | Combined type SPD (surge protection device) for OCP (over-current protection) | |
| CN214176791U (en) | Novel grounding protection box | |
| CN102354865A (en) | Electric leakage protection plug | |
| CN102354868B (en) | Electric leakage protection plug | |
| CN218160027U (en) | Capacitor with high reliability | |
| CN218677022U (en) | Fuse with wire winding structure | |
| CN201741579U (en) | Self-healing type low-voltage reactive compensation capacitor | |
| CN106601973B (en) | A kind of high efficiency high-rate lithium battery structure | |
| CN211016801U (en) | Solid polymer capacitor | |
| CN214152711U (en) | Anti-electromagnetic interference capacitor | |
| CN218123340U (en) | Fuse protector | |
| JPH0129768Y2 (en) | ||
| CN216288010U (en) | Novel ox horn aluminum electrolytic capacitor | |
| CN218996535U (en) | Explosion-proof capacitor | |
| CN206726873U (en) | Tubulose MOV with fuse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |