CN208385225U - A kind of secondary capacitor that electrical insulation strength is high - Google Patents

Abstract

The utility model discloses a kind of secondary capacitors that electrical insulation strength is high, including shell, the case top is equipped with top plate, fixture block is equipped at the top of the top plate, frame is equipped at the top of the fixture block, leading-out terminal is equipped with inside the fixture block, the case inside is equipped with limit plate, the limit plate bottom is equipped with insulation oil reservoir, capacitance core is equipped with inside the insulation oil reservoir, the capacitance core two sides are equipped with heat-sink shell, and the enclosure interior is equipped with heat-dissipating storehouse, connecting hole is equipped between the heat-sink shell and heat-dissipating storehouse, the capacitance core side is equipped with pressing plate.The utility model is by being equipped with pressing plate, be conducive to stablize capacitance core, when shell shakes, when capacitance core shakes, capacitance core band dynamic pressure plate and pressure rack are shaken, and then pressure rack generates extruding situation to silica gel block, and silica gel block elastic force reversely drives pressure rack and pressing plate to spring back and goes back, make to shake the power counteracting generated, and then capacitance core is made to keep original state.

Description

A kind of secondary capacitor that electrical insulation strength is high

Technical field

The utility model relates to capacitor equipment field, in particular to a kind of secondary capacitor that electrical insulation strength is high.

Background technique

Capacitor is in order to drain alternating current in power equipment, to the power equipment that direct current is separated, and electric power Equipment is all generation heat when being powered, and the air-tight manner of capacitor cannot well radiate to capacitor, and Internal capacitance core can shift capacitor during transportation.

Therefore, it is necessary to solve the above problems to invent a kind of secondary capacitor that electrical insulation strength is high.

Utility model content

The purpose of this utility model is to provide a kind of secondary capacitors that electrical insulation strength is high, when shell shakes, Capacitance core can also shake inside housings, thus the situation for causing capacitance core and leading-out terminal to deviate, when capacitance core shakes, electricity Hold core ribbon dynamic pressure plate and pressure rack to shake, and then pressure rack generates extruding situation to silica gel block, silica gel block elastic force reversely drive pressure rack and Pressing plate rebound is gone back, and makes to shake the power counteracting generated, and then capacitance core is made to keep original state, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of low tension that electrical insulation strength is high Container, including shell, the case top are equipped with top plate, and fixture block is equipped at the top of the top plate, is equipped with frame at the top of the fixture block, Leading-out terminal is equipped with inside the fixture block, the case inside is equipped with limit plate, and the limit plate bottom is equipped with insulation oil reservoir, institute It states and is equipped with capacitance core inside insulation oil reservoir, the capacitance core two sides are equipped with heat-sink shell, and the enclosure interior is equipped with heat-dissipating storehouse, institute It states and is equipped with connecting hole between heat-sink shell and heat-dissipating storehouse, the capacitance core side is equipped with pressing plate, is equipped with pressure rack, institute on the outside of the pressing plate It states and is equipped with silica gel block on the outside of pressure rack.

Preferably, the top plate matches with shell, and the fixture block is snapped connection with top plate.

Preferably, the fixture block is integrated with frame setting, and the frame is made of glass material.

Preferably, it is fixedly connected outside the limit plate with inner walls, the limit plate is corresponding with capacitance core.

Preferably, it is equipped with coolant liquid inside the heat-sink shell, the heat-sink shell is connected to heat-dissipating storehouse by connecting hole.

Preferably, the pressing plate fits with capacitor wicking surface, and the pressing plate is fixedly connected with pressure rack.

The technical effect and advantage of the utility model:

1, the utility model is conducive to the heat dissipation effect for increasing capacitance core, when leading-out terminal is external by being equipped with heat-sink shell Power supply line is to carry out capacitor in use, capacitance core, which can generate heat, generates temperature, and the coolant liquid inside heat-sink shell absorbs at this time The heat that capacitance core distributes, so that coolant liquid be made to absorb heat, heat transfer is entered inside heat-dissipating storehouse by connecting hole, heat-dissipating storehouse Semicircular configuration increase heat dissipation effect, increase heat-dissipating storehouse and extraneous contact area, the heat inside heat-dissipating storehouse disperses Afterwards, making the temperature of enclosure interior entirety reduces；

2, the utility model is conducive to stablize capacitance core, when shell shakes, capacitance core exists by being equipped with pressing plate Enclosure interior can also shake, thus the situation for causing capacitance core and leading-out terminal to deviate, when capacitance core shakes, capacitance core is driven Pressing plate and pressure rack are shaken, and then pressure rack generates extruding situation to silica gel block, and silica gel block elastic force reversely drives pressure rack and pressing plate to spring back It goes back, makes to shake the power counteracting generated, and then capacitance core is made to keep original state.

Detailed description of the invention

Fig. 1 is the whole diagrammatic cross-section of the utility model；

Fig. 2 is the whole schematic top plan view of the utility model；

Fig. 3 is the shell top cross-sectional view of the utility model；

In figure: 1 shell, 2 top plates, 3 fixture blocks, 4 frames, 5 leading-out terminals, 6 limit plates, 7 insulation oil reservoirs, 8 capacitance cores, 9 are inhaled Thermosphere, 10 heat-dissipating storehouses, 11 connecting holes, 12 pressing plates, 13 pressure racks, 14 silica gel blocks.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of high secondary capacitor of electrical insulation strength as shown in Figs. 1-3, including shell 1, it is equipped with top plate 2 at the top of the shell 1, fixture block 3 is equipped at the top of the top plate 2, is equipped with frame 4, the card at the top of the fixture block 3 It is equipped with leading-out terminal 5 inside block 3, limit plate 6 is equipped on the inside of the shell 1,6 bottom of limit plate is equipped with insulation oil reservoir 7, institute It states and is equipped with capacitance core 8 inside insulation oil reservoir 7,8 two sides of capacitance core are equipped with heat-sink shell 9, are equipped with heat dissipation inside the shell 1 Storehouse 10, is equipped with connecting hole 11 between the heat-sink shell 9 and heat-dissipating storehouse 10,8 side of capacitance core is equipped with pressing plate 12, the pressing plate 12 outsides are equipped with pressure rack 13, are equipped with silica gel block 14 on the outside of the pressure rack 13.

Further, in the above-mentioned technical solutions, the top plate 2 matches with shell 1, and the fixture block 3 is buckled with top plate 2 Connection, it is convenient that the top of leading-out terminal 5 is stablized, avoid leading-out terminal 5 from shifting or be detached from fixture block 3.

Further, in the above-mentioned technical solutions, the fixture block 3 and frame 4 setting is integrated, and the frame 4 is by glass Material is made.

Further, in the above-mentioned technical solutions, 6 outside of limit plate is fixedly connected with 1 inner wall of shell, the limit Plate 6 is corresponding with capacitance core 8.

Further, in the above-mentioned technical solutions, coolant liquid, the heat-sink shell 9 and heat dissipation are equipped with inside the heat-sink shell 9 Storehouse 10 is connected to by connecting hole 11.

Further, in the above-mentioned technical solutions, the pressing plate 12 fits with 8 surface of capacitance core, the pressing plate 12 with Pressure rack 13 is fixedly connected, and 14 elastic force of silica gel block reversely drives pressure rack 13 and pressing plate 12 to spring back and goes back, and makes to shake the power counteracting generated, And then capacitance core 8 is made to keep original state.

This practical working principle:

Referring to Figure of description 2 and attached drawing 3, capacitor needs to transport capacitor before use, due to transporting The situation that distance is jolted in journey needs to protect capacitor, and external addition suede wadding avoids shell 1 from receiving damage, works as transport When, capacitor can not the appearance on surface collide and shake, when shell 1 shakes, capacitance core 8 can also shake inside shell 1, from And the situation for causing capacitance core 8 and leading-out terminal 5 to deviate, when capacitance core 8 shakes, capacitance core 8 is with dynamic pressure plate 12 and pressure rack 13 It shakes, and then pressure rack 13 generates extruding situation to silica gel block 14,14 elastic force of silica gel block reversely drives pressure rack 13 and pressing plate 12 to spring back It goes back, makes to shake the power counteracting generated, and then capacitance core 8 is made to keep original state；

Referring to Figure of description 1, when 5 circumscripted power line of leading-out terminal is to carry out in use, 8 meeting of capacitance core capacitor Fever generates temperature, the heat that the coolant liquid Absorption Capacitance core 8 inside heat-sink shell 9 distributes at this time, so that coolant liquid be made to absorb heat Amount, heat transfer are entered inside heat-dissipating storehouse 10 by connecting hole 11, and the semicircular configuration of heat-dissipating storehouse 10 increases heat dissipation effect, are increased Heat-dissipating storehouse 10 and extraneous contact area, after the heat inside heat-dissipating storehouse 10 disperses, the temperature for keeping 1 inside of shell whole drops It is low, so that the influence for avoiding temperature excessively high to capacitance core 8, increases shell using insulation oil reservoir 7 and 6 dual resisteance effect of limit plate 1 integral insulation, avoids the situation of waste of energy, and being also avoided that temperature is excessively high causes or insulation effect difference is to the shadow of shell 1 It rings.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of secondary capacitor that electrical insulation strength is high, including shell (1), it is characterised in that: set at the top of the shell (1) Have top plate (2), be equipped with fixture block (3) at the top of the top plate (2), be equipped with frame (4) at the top of the fixture block (3), in the fixture block (3) Portion is equipped with leading-out terminal (5), is equipped with limit plate (6) on the inside of the shell (1), and limit plate (6) bottom is equipped with insulation oil reservoir (7), capacitance core (8) are equipped with inside the insulation oil reservoir (7), capacitance core (8) two sides are equipped with heat-sink shell (9), the shell Heat-dissipating storehouse (10) are equipped with inside body (1), are equipped with connecting hole (11) between the heat-sink shell (9) and heat-dissipating storehouse (10), the capacitor Core (8) side is equipped with pressing plate (12), is equipped with pressure rack (13) on the outside of the pressing plate (12), and silica gel block is equipped on the outside of the pressure rack (13) (14).

2. a kind of high secondary capacitor of electrical insulation strength according to claim 1, it is characterised in that: the top plate (2) match with shell (1), the fixture block (3) snaps connection with top plate (2).

3. a kind of high secondary capacitor of electrical insulation strength according to claim 1, it is characterised in that: the fixture block (3) it is integrated with frame (4) setting, the frame (4) is made of glass material.

4. a kind of high secondary capacitor of electrical insulation strength according to claim 1, it is characterised in that: the limit plate (6) outside is fixedly connected with shell (1) inner wall, and the limit plate (6) is corresponding with capacitance core (8).

5. a kind of high secondary capacitor of electrical insulation strength according to claim 1, it is characterised in that: the heat-sink shell (9) internal to be equipped with coolant liquid, the heat-sink shell (9) is connected to heat-dissipating storehouse (10) by connecting hole (11).

6. a kind of high secondary capacitor of electrical insulation strength according to claim 1, it is characterised in that: the pressing plate (12) it fits with capacitance core (8) surface, the pressing plate (12) is fixedly connected with pressure rack (13).