阅读说明：本技术 一种零局放交流电容器 (A kind of zero partial discharge AC capacitor ) 是由 管在年 刘长超 丁霞梅 徐德兵 谢德龙 于 2019-08-19 设计创作，主要内容包括：本发明涉及电容器技术领域,且公开了一种零局放交流电容器,包括套管,所述套管的内部固定安装有铝壳,所述铝壳的内底壁固定安装有套板,所述套板的内部固定安装有铰链,所述铰链的外侧壁固定安装有一端延伸至套板内侧的托板。该零局放交流电容器,在进行电容器的组装时,先将芯包对准套板放置到铝壳内,在芯包与托板接触后,托板收到外力作用,绕着铰链向下转动,从而带着推板向芯包靠近,在与压板接触后,沿着滑槽将压板向芯包方向靠近,并最终压紧芯包,这样避免传统的固定剂固定,通过设置聚丙烯膜绝缘介质,来降低电气强度,避免电容器放电,并在防爆阀的辅助下,避免击穿铝壳和套管,通过这样的方式,达到了防护效果好的目的。(The present invention relates to capacitor technology fields, and disclose a kind of zero partial discharge AC capacitor, including casing, the inside of described sleeve pipe is fixedly installed with aluminum hull, the inner bottom wall of the aluminum hull is fixedly installed with cage plate, the inside of the cage plate is fixedly installed with hinge, and the lateral wall of the hinge is fixedly installed with one end and extends to supporting plate on the inside of cage plate.The zero partial discharge AC capacitor, when carrying out the assembling of capacitor, first core packet alignment cage plate is placed into aluminum hull, after core packet is contacted with supporting plate, supporting plate receives external force, it is rotated down around hinge, to close to core packet with push plate, after being contacted with pressing plate, it is along sliding slot that pressing plate is close to core packet direction, and finally compress core packet, it thus is avoided that traditional fixative is fixed, by the way that polypropylene screen dielectric is arranged, to reduce electrical strength, avoid capacitor discharge, and under the auxiliary of explosion-proof valve, avoid breakdown aluminum hull and casing, in this way, achieve the purpose that protection effect is good.)

1. a kind of zero partial discharge AC capacitor, including casing (1), it is characterised in that: the inside of described sleeve pipe (1) is fixedly installed with The inner bottom wall of aluminum hull (2), the aluminum hull (2) is fixedly installed with cage plate (3), and the inside of the cage plate (3) is fixedly installed with hinge (4), the lateral wall of the hinge (4) is fixedly installed with one end and extends to supporting plate (5) on the inside of cage plate (3), the cage plate (3) It is internally provided with the core packet (6) being bonded with supporting plate (5), the inside of the cage plate (3) offers sliding slot (7), the hinge (4) Lateral wall is socketed with the push plate (8) being fixedly connected with supporting plate (5), and the internal slide of the sliding slot (7) is connected with to be pasted with push plate (8) The pressing plate (9) of conjunction is fixedly installed with aluminium sheet (10) at the top of the core packet (6), and the inside of the aluminium sheet (10) is plugged with and core The lead-out wire (11) that (6) are fixedly connected is wrapped, is fixedly installed with rubber gasket (12), the rubber at the top of the aluminum hull (2) The inside of gasket (12) is fixedly installed with explosion-proof valve (13).

2. a kind of zero partial discharge AC capacitor according to claim 1, it is characterised in that: the cage plate (3) is cylindrical, Placing groove is provided at left and right sides of the cage plate (3), the pressing plate (9) is located in placing groove.

3. a kind of zero partial discharge AC capacitor according to claim 1, it is characterised in that: the supporting plate (5) is in semicircle shape, The diameter of the supporting plate (5) is less than the diameter of cage plate (3), and the supporting plate (5) is adapted with core packet (6).

4. a kind of zero partial discharge AC capacitor according to claim 1, it is characterised in that: the core packet (6) includes aluminium foil (601), the back side of two aluminium foils (601) is bonded with dielectric (602), the face bonding of the rear side aluminium foil (601) It is connected to negative electrode pin (603), the front of the front side aluminium foil (601) is welded with negative electrode pin (604), the rear side dielectric (602) the back side is bonded with cable paper (605), and the dielectric (602) is polypropylene screen.

5. a kind of zero partial discharge AC capacitor according to claim 4, it is characterised in that: two aluminium sheets (10) are respectively It is socketed on the outside of negative electrode pin (603) and negative electrode pin (604), two lead-out wires (11) and negative electrode pin (603) and sun Pole pin (604) is fixedly connected.

6. a kind of zero partial discharge AC capacitor according to claim 1, it is characterised in that: the rubber gasket (12) Inside is opened up there are two through-hole, and the lead-out wire (11) extends to above through-hole far from the one end of aluminium sheet (10).

Technical field

The present invention relates to capacitor technology field, specially a kind of zero partial discharge AC capacitor.

Background technique

Two conductors close to each other, as soon as intermediate folder layer nonconducting dielectric, constitutes capacitor, works as capacitor Two pole plates between add voltage when, capacitor will store charge, capacitor is in tuning, bypass, coupling and filtering etc. Play an important role in circuit, transistor, CD-audio player, recorder tuning circuit to use it, colour television set Coupling circuit, bypass circuit etc. also to use it.

Current capacitor can generate high heat at work, to make the fixative volatilization in outside, hold very much in this way Easily electric heater is made to discharge, puncture shell, we have proposed a kind of zero partial discharge AC capacitors to solve the above-mentioned problems.

Summary of the invention

(1) the technical issues of solving

In view of the deficiencies of the prior art, the present invention provides a kind of zero partial discharge AC capacitor, it is good etc. to have protection effect Advantage, high heat can be generated at work by solving current capacitor, to make the fixative volatilization in outside, so very The problem of being easy that electric heater is made to discharge, puncturing shell.

(2) technical solution

To realize the good purpose of above-mentioned protection effect, the invention provides the following technical scheme: a kind of zero partial discharge ac capacitor Device, including casing, the inside of described sleeve pipe are fixedly installed with aluminum hull, and the inner bottom wall of the aluminum hull is fixedly installed with cage plate, described The inside of cage plate is fixedly installed with hinge, and the lateral wall of the hinge is fixedly installed with one end and extends to supporting plate on the inside of cage plate, The cage plate is internally provided with the core packet being bonded with supporting plate, and the inside of the cage plate offers sliding slot, the outside of the hinge Wall is socketed with the push plate being fixedly connected with supporting plate, and the internal slide of the sliding slot is connected with the pressing plate being bonded with push plate, the core Aluminium sheet is fixedly installed at the top of packet, the inside of the aluminium sheet is plugged with the lead-out wire being fixedly connected with core packet, the aluminum hull Top is fixedly installed with rubber gasket, and the inside of the rubber gasket is fixedly installed with explosion-proof valve.

Preferably, the cage plate is cylindrical, and placing groove is provided at left and right sides of the cage plate, and the pressing plate is located at In placing groove.

Preferably, the supporting plate is in semicircle shape, and the diameter of the supporting plate is less than the diameter of cage plate, the supporting plate and core packet phase Adaptation.

Preferably, the core packet includes aluminium foil, and the back side of two aluminium foils is bonded with dielectric, the rear side aluminium The front of foil is welded with negative electrode pin, and the front of the front side aluminium foil is welded with negative electrode pin, the back of the rear side dielectric Face is bonded with cable paper, and the dielectric is polypropylene screen.

Preferably, two aluminium sheets are socketed in respectively on the outside of negative electrode pin and negative electrode pin, two lead-out wires with Negative electrode pin is fixedly connected with negative electrode pin.

Preferably, the inside of the rubber gasket is opened up there are two through-hole, and the lead-out wire prolongs far from one end of aluminium sheet It extends to above through-hole.

(3) beneficial effect

Compared with prior art, the present invention provides a kind of zero partial discharge AC capacitor, have it is following the utility model has the advantages that

Core packet, when carrying out the assembling of capacitor, is first directed at cage plate by the way that aluminum hull is arranged by the zero partial discharge AC capacitor It is placed into aluminum hull, after core packet is contacted with supporting plate, supporting plate receives external force, rotates down around hinge, thus with pushing away Plate is close to core packet, along sliding slot that pressing plate is close to core packet direction after contacting with pressing plate, and finally compresses core packet, in this way It avoids traditional fixative from fixing, capacitor discharge is avoided to reduce electrical strength by setting polypropylene screen dielectric, And under the auxiliary of explosion-proof valve, breakdown aluminum hull and casing is avoided to achieve the purpose that protection effect is good in this way.

Detailed description of the invention

Fig. 1 is structure of the invention cross-sectional view；

Fig. 2 is schematic enlarged-scale view at A of the present invention；

Fig. 3 is core packet schematic diagram of the present invention.

In figure: 1 casing, 2 aluminum hulls, 3 cage plates, 4 hinges, 5 supporting plates, 6 core packets, 601 aluminium foils, 602 dielectrics, 603 cathode Pin, 604 negative electrode pins, 605 cable papers, 7 sliding slots, 8 push plates, 9 pressing plates, 10 aluminium sheets, 11 lead-out wires, 12 rubber gaskets, 13 Explosion-proof valve.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

It please refers to Fig. 1-3, a kind of zero partial discharge AC capacitor, including casing 1, the inside of casing 1 and is fixedly installed with aluminum hull 2, the inner bottom wall of aluminum hull 2 is fixedly installed with cage plate 3, and cage plate 3 is cylindrical, and the left and right sides of cage plate 3 is provided with placing groove, pressure Plate 9 is located in placing groove, and the inside of cage plate 3 is fixedly installed with hinge 4, and the lateral wall of hinge 4 is fixedly installed with one end and extends to The supporting plate 5 of the inside of cage plate 3, cage plate 3 are internally provided with the core packet 6 be bonded with supporting plate 5, supporting plate 5 in semicircle shape, supporting plate 5 it is straight Diameter is less than the diameter of cage plate 3, and supporting plate 5 is adapted with core packet 6, and core packet 6 includes aluminium foil 601, and the back side of two aluminium foils 601 is bonded There is dielectric 602, the front of rear side aluminium foil 601 is welded with negative electrode pin 603, and the front of front side aluminium foil 601 is welded with anode Pin 604, the back side of rear side dielectric 602 are bonded with cable paper 605, and dielectric 602 is polypropylene screen, cage plate 3 it is interior Portion offers sliding slot 7, and the lateral wall of hinge 4 is socketed with the push plate 8 being fixedly connected with supporting plate 5, and the internal slide of sliding slot 7 is connected with The pressing plate 9 being bonded with push plate 8, the top of core packet 6 are fixedly installed with aluminium sheet 10, and the inside of aluminium sheet 10 is plugged with fixed with core packet 6 The lead-out wire 11 of connection, two aluminium sheets 10 are socketed in 604 outside of negative electrode pin 603 and negative electrode pin, two lead-out wires 11 respectively It is fixedly connected with negative electrode pin 603 and negative electrode pin 604, the top of aluminum hull 2 is fixedly installed with rubber gasket 12, rubber seal The inside of pad 12 is opened up there are two through-hole, and lead-out wire 11 extends to above through-hole far from one end of aluminium sheet 10, rubber gasket 12 Inside be fixedly installed with explosion-proof valve 13, by be arranged aluminum hull 2, carry out capacitor assembling when, first by core packet 6 be aligned cage plate 3 are placed into aluminum hull 2, and after core packet 6 is contacted with supporting plate 5, supporting plate 5 receives external force, rotate down around hinge 4, thus It is close to core packet 6 with push plate 8, it is along sliding slot 7 that pressing plate 9 is close to 6 direction of core packet after being contacted with pressing plate 9, and most final pressure Tight core packet 6, thus is avoided that traditional fixative is fixed, by the way that polypropylene screen dielectric 602 is arranged, to reduce electrical strength, Capacitor discharge is avoided, and under the auxiliary of explosion-proof valve 13, breakdown aluminum hull 2 and casing 1 is avoided to reach in this way Protection effect good purpose.

In conclusion the zero partial discharge AC capacitor, by the way that aluminum hull 2 is arranged, when carrying out the assembling of capacitor, first by core Packet 6 alignment cage plates 3 be placed into aluminum hull 2, after core packet 6 is contacted with supporting plate 5, supporting plate 5 receives external force, around hinge 4 to Lower rotation, thus it is close to core packet 6 with push plate 8, after being contacted with pressing plate 9, pressing plate 9 is leaned on to 6 direction of core packet along sliding slot 7 Closely, and finally core packet 6 is compressed, thus is avoided that traditional fixative is fixed, by the way that polypropylene screen dielectric 602 is arranged, to drop Low electrical strength avoids capacitor discharge, and under the auxiliary of explosion-proof valve 13, avoids breakdown aluminum hull 2 and casing 1, in this way Mode, achieved the purpose that protection effect is good, current capacitor can generate high heat at work, thus make outside Fixative volatilization, be easy to that electric heater is made to discharge in this way, puncture shell.

It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.