CN216212894U - Voltage-equalizing plate for capacitor module - Google Patents

Abstract

The utility model belongs to the technical field of capacitor modules, and particularly relates to a voltage-sharing plate for a capacitor module, which comprises a protective shell, a capacitor body and a voltage-sharing plate assembly, wherein the protective shell is provided with a plurality of through holes; a placing groove is formed in the inner side wall of the top end of the protective shell; the capacitor body is arranged on the inner side wall of the bottom end of the protective shell, and pins are arranged at the top of the capacitor body; the pins are electrically connected with the pressure equalizing plate assembly; the pressure equalizing plate assembly is arranged inside the placing groove; the pressure equalizing plate assembly comprises a pressure equalizing plate and a fixing mechanism; the pressure equalizing plate is placed in the placing groove, and a pressure equalizing resistor is arranged on the pressure equalizing plate; the pins are electrically connected with the pressure equalizing plate; the fixing mechanism is arranged on the pressure equalizing plate; fix through fixed establishment to equalizer plate and protecting crust and make equalizer plate remain stable, avoid directly with the trouble of equalizer plate welding on the electric capacity body, the protecting crust plays the guard action to equalizer plate and electric capacity body, avoids the pin accident to drop.

Description

Voltage-equalizing plate for capacitor module

Technical Field

The utility model relates to the technical field of capacitor modules, in particular to a pressure equalizing plate for a capacitor module.

Background

The capacitor module is different from a traditional chemical power supply and is a power supply with special performance, and in the series connection use process of the capacitor module, a pressure equalizing plate is often used for carrying out pressure equalizing work on the capacitor module, so that the capacitor module is protected, and the capacitor module is prevented from being damaged.

Among the prior art, current equalizer plate is on the direct welded electric capacity body of mostly through the welded mode, when receiving unexpected impact, easily causes droing of welding point for the pin of electric capacity body takes place to drop, consequently, proposes an equalizer plate for the electric capacity module to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that most of the existing voltage equalizing plates are directly welded on a capacitor body in a welding mode, when the capacitor body is accidentally impacted, welding points are easy to fall off, and pins of the capacitor body fall off, the utility model provides the voltage equalizing plate for the capacitor module.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the voltage-sharing plate for the capacitor module comprises a protective shell, a capacitor body and a voltage-sharing plate assembly; a placing groove is formed in the inner side wall of the top end of the protective shell; the capacitor body is arranged on the inner side wall of the bottom end of the protective shell, and pins are arranged at the top of the capacitor body; the pins are electrically connected with the pressure equalizing plate assembly; the pressure equalizing plate assembly is arranged inside the placing groove; the pressure equalizing plate assembly comprises a pressure equalizing plate and a fixing mechanism; the pressure equalizing plate is placed in the placing groove, and a pressure equalizing resistor is arranged on the pressure equalizing plate; the pins are electrically connected with the pressure equalizing plate; the fixing mechanism is arranged on the pressure equalizing plate; fix through fixed establishment to equalizer plate and protecting crust and make equalizer plate remain stable, avoid directly with the trouble of equalizer plate welding on the electric capacity body, the protecting crust plays the guard action to equalizer plate and electric capacity body, avoids the pin accident to drop.

Preferably, a plurality of first screw holes are formed in the inner side wall of the bottom end of the placing groove; a second screw hole is formed in the pressure equalizing plate; the fixing mechanism comprises a fastening screw; the fastening screw is arranged in the second screw hole, is in threaded fit with the inner side wall of the second screw hole and is in threaded fit with the first screw hole; the pressure equalizing plate is fixed through the fastening screws, so that the pressure equalizing plate is kept stable inside the protective shell.

Preferably, a clamping mechanism is arranged inside the protective shell; the clamping mechanism comprises a pressing plate and a protrusion; the pressure plate is connected to the inner side wall of the protective shell in a sliding manner through a spring; the plurality of bulges are fixedly connected on the side wall of the pressure plate; place the capacitor body on the protecting crust bottom inside wall, under the spring action of spring, the clamp plate presss from both sides tightly the capacitor body, and the arch has increased the frictional force at contact position for the centre gripping effect of clamp plate is better, guarantees the stability of capacitor body.

Preferably, a sliding groove is formed in the inner side wall of the protective shell; the inner side wall of the sliding chute is connected with a guide rod in a sliding way; the end part of the guide rod is fixedly connected with the side wall of the pressing plate; the movement of the pressing plate is guided by the cooperation of the guide rod and the inner side wall of the sliding groove.

Preferably, the pressure equalizing plate is provided with a through hole; a plurality of through holes are arranged; the pins penetrate through the through holes; a rubber pad is fixedly connected to the inner side wall of the placing groove; the pins are abdomened by arranging the through holes on the pressure equalizing plate, so that the pins penetrate through the through holes to be electrically connected with the pressure equalizing plate.

Preferably, the inner side wall of the bottom end of the protective shell is fixedly connected with an anti-skid pad; the antiskid pad is made of rubber; the bulges are made of rubber; through set up the slipmat increase electric capacity body and the frictional force at protective housing bottom inside wall contact site on the protective housing bottom inside wall for electric capacity body place more stably, avoid electric capacity body to take place to slide in the protective housing.

The utility model has the advantages that:

1. according to the capacitor, the capacitor body is placed in the protective shell, the pressure equalizing plate is covered in the placing groove, pins of the capacitor body penetrate through the through holes to be electrically connected with the pressure equalizing plate, when the pressure equalizing plate is placed in the placing groove, the first screw hole is aligned to the second screw hole, the fastening screw is rotated, and is in threaded fit with the second screw hole and the inner side wall of the first screw hole, so that the end part of the fastening screw enters the first screw hole, the pressure equalizing plate is fixed through the fastening screw, the trouble of directly welding the pressure equalizing plate on the capacitor body is avoided, the protective shell plays a protective role on the pressure equalizing plate and the capacitor body, and the pins are prevented from being accidentally dropped due to impact of the pressure equalizing plate;

2. according to the capacitor, the pressing plate is pushed to enable the pressing plate compression spring to move towards the direction close to the inner side wall of the protective shell, the capacitor body is placed on the inner side wall of the bottom end of the protective shell, the pressing plate is loosened, the pressing plate clamps the capacitor body under the elastic action of the spring, the friction force of the contact part of the protrusion and the capacitor body is increased, the capacitor body is enabled to be stable inside the protective shell, and the guide rod and the inner side wall of the sliding groove cooperate to play a role in guiding the movement of the pressing plate, so that the capacitor body is enabled to be stable inside the protective shell.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a front partial sectional view of a first embodiment;

FIG. 2 is a side partial sectional view of the first embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is a schematic three-dimensional structure of the protective shell and the rubber pad according to the first embodiment;

fig. 6 is a schematic three-dimensional structure diagram of the protective shell and the rubber pad in the second embodiment.

In the figure: 1. a protective shell; 11. a placement groove; 111. a first screw hole; 112. a rubber pad; 12. a chute; 13. a guide bar; 14. a non-slip mat; 15. heat dissipation holes; 2. a capacitor body; 21. a pin; 3. a pressure equalizing plate assembly; 31. a pressure equalizing plate; 311. a second screw hole; 312. a through hole; 32. a fixing mechanism; 321. fastening screws; 4. a clamping mechanism; 41. pressing a plate; 42. and (4) protruding.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-5, a voltage equalizing plate for a capacitor module includes a protective shell 1, a capacitor body 2 and a voltage equalizing plate assembly 3; a placing groove 11 is formed in the inner side wall of the top end of the protective shell 1; the capacitor body 2 is arranged on the inner side wall of the bottom end of the protective shell 1, and the top of the capacitor body 2 is provided with a pin 21; the pins 21 are electrically connected with the pressure equalizing plate assembly 3; the pressure equalizing plate assembly 3 is arranged inside the placing groove 11; the pressure equalizing plate component 3 comprises a pressure equalizing plate 31 and a fixing mechanism 32; the pressure equalizing plate 31 is placed in the placing groove 11, and a pressure equalizing resistor is arranged on the pressure equalizing plate 31; the pins 21 are electrically connected with the pressure equalizing plate 31; the fixing mechanism 32 is arranged on the pressure equalizing plate 31; the during operation, when carrying out the equalizer 31 and being connected with electric capacity body 2, place electric capacity body 2 inside protecting crust 1, make electric capacity body 2 keep stable in protecting crust 1 inside, establish equalizer 31 lid inside standing groove 11 again, fix equalizer 31 and protecting crust 1 through fixed establishment 32 and make equalizer 31 keep stable, electric capacity body 2's pin 21 and equalizer 31 electric connection, fix equalizer 31 through fixed establishment 32, avoid directly welding the trouble of equalizer 31 on electric capacity body 2, protecting crust 1 plays the guard action to equalizer 31 and electric capacity body 2, avoid pin 21 accident to drop.

A plurality of first screw holes 111 are formed in the inner side wall of the bottom end of the placing groove 11; a second screw hole 311 is arranged on the pressure equalizing plate 31; the fixing mechanism 32 includes a fastening screw 321; the fastening screw 321 is arranged in the second screw hole 311, the fastening screw 321 is in threaded fit with the inner side wall of the second screw hole 311, and the fastening screw 321 is in threaded fit with the first screw hole 111; during operation, when fixing the pressure equalizing plate 31, the pressure equalizing plate 31 is covered inside the groove, so that the first screw hole 111 is aligned with the second screw hole 311, the fastening screw 321 is rotated, the fastening screw 321 is in threaded fit with the inner side wall of the second screw hole 311, the fastening screw 321 is in threaded fit with the inner side wall of the first screw hole 111, the pressure equalizing plate 31 is fixed through the fastening screw 321, and the pressure equalizing plate 31 is kept stable inside the protective shell 1.

A clamping mechanism 4 is arranged inside the protective shell 1; the clamping mechanism 4 comprises a pressing plate 41 and a protrusion 42; the pressure plate 41 is connected to the inner side wall of the protective shell 1 in a sliding manner through a spring; the bulges 42 are fixedly connected on the side wall of the pressure plate 41, and a plurality of bulges 42 are arranged; the during operation, when placing electric capacity body 2, the clamp plate 41 is moved to the pressure, make clamp plate 41 compression spring move towards the direction that is close to the 1 inside wall of protecting crust, place electric capacity body 2 on 1 bottom inside wall of protecting crust, loosen clamp plate 41, under the spring action of spring, clamp plate 41 presss from both sides tightly electric capacity body 2, arch 42 on the clamp plate 41 lateral wall has increased the frictional force with electric capacity body 2 contact site, make clamp plate 41's clamping effect better, guarantee electric capacity body 2 at the inside stability of protecting crust 1.

A chute 12 is arranged on the inner side wall of the protective shell 1; a guide rod 13 is connected on the inner side wall of the sliding chute 12 in a sliding manner; the end part of the guide rod 13 is fixedly connected with the side wall of the pressing plate 41; during operation, the cooperation work through guide bar 13 and 12 inside walls of spout plays the guide effect to the motion of clamp plate 41 to make clamp plate 41 better to capacitor body 2's centre gripping effect, avoid capacitor body 2 to take place to rock in protecting crust 1 is inside.

The pressure equalizing plate 31 is provided with a through hole 312; a plurality of through holes 312 are provided; the pins 21 pass through the through holes 312; a rubber pad 112 is fixedly connected to the inner side wall of the placing groove 11; during operation, set up through-hole 312 on equalizer 31 and give way for pin 21 passes through-hole 312 and carries out electric connection with equalizer 31, and when equalizer 31 placed in standing groove 11, equalizer 31 lateral wall extrusion rubber pad 112, rubber pad 112 pressurized deformation, thereby with equalizer 31 chucking inside standing groove 11.

An anti-skid pad 14 is fixedly connected to the inner side wall of the bottom end of the protective shell 1; the antiskid pad 14 is made of rubber; the protrusions 42 are made of rubber; during operation, through set up slipmat 14 increase electric capacity body 2 and the frictional force at 1 bottom inside wall contact site of protecting crust on 1 bottom inside wall of protecting crust for electric capacity body 2 place more stably, avoid electric capacity body 2 to take place to slide in protecting crust 1.

Example two

Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a plurality of heat dissipation holes 15 are formed in a sidewall of the protective shell 1; during operation, through set up louvre 15 and be used for giving off of the inside heat of protecting crust 1 on protecting crust 1 lateral wall, avoid the heat accumulation that electric capacity body 2 during operation produced to cause the damage at protecting crust 1 inside to electric capacity body 2.

The working principle is that when the pressure equalizing plate 31 is connected with the capacitor body 2, the capacitor body 2 is placed in the protective shell 1, the pressure plate 41 is pushed to enable the pressure plate 41 to compress the spring to move towards the direction close to the inner side wall of the protective shell 1, the capacitor body 2 is placed on the inner side wall of the bottom end of the protective shell 1, the pressure plate 41 is loosened, the pressure plate 41 clamps the capacitor body 2 under the elastic force of the spring, the protrusions 42 on the side wall of the pressure plate 41 increase the friction force of the contact part with the capacitor body 2, so that the clamping effect of the pressure plate 41 is better, the movement of the pressure plate 41 is guided through the matching work of the guide rod 13 and the inner side wall of the sliding chute 12, the pressure equalizing plate 31 is covered in the placing groove 11, the pins 21 of the capacitor body 2 pass through the through holes 312 to be electrically connected with the pressure equalizing plate 31, when the pressure equalizing plate 31 is placed in the placing groove 11, the side wall of the pressure equalizing plate 31 extrudes the rubber pad 112, the rubber pad 112 is deformed under pressure, so that the pressure equalizing plate 31 is tightly clamped inside the placing groove 11, at the moment, the first screw hole 111 is aligned with the second screw hole 311, the fastening screw 321 is rotated, the fastening screw 321 is in threaded fit with the inner side walls of the second screw hole 311 and the first screw hole 111, the pressure equalizing plate 31 is fixed through the fastening screw 321, so that the pressure equalizing plate 31 is kept stable inside the protective shell 1, the trouble of directly welding the pressure equalizing plate 31 on the capacitor body 2 is avoided, the protective shell 1 plays a role in protecting the pressure equalizing plate 31 and the capacitor body 2, the pins 21 are prevented from accidentally falling off, the friction force at the contact part of the capacitor body 2 and the inner side wall at the bottom end of the protective shell 1 is increased by arranging the anti-skid pad 14 on the inner side wall at the bottom end of the protective shell 1, so that the capacitor body 2 is more stably placed, the capacitor body 2 is prevented from sliding in the protective shell 1, the radiating holes 15 are arranged on the side wall of the protective shell 1 for radiating heat inside the protective shell 1, avoid the heat accumulation that capacitor body 2 during operation produced to cause the damage at protective housing 1 inside capacitor body 2.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides a voltage-sharing board for electric capacity module which characterized in that: comprises a protective shell (1), a capacitor body (2) and a pressure equalizing plate component (3); a placing groove (11) is formed in the inner side wall of the top end of the protective shell (1); the capacitor body (2) is arranged on the inner side wall of the bottom end of the protective shell (1), and pins (21) are arranged at the top of the capacitor body (2); the pins (21) are electrically connected with the voltage equalizing plate component (3); the pressure equalizing plate component (3) is arranged in the placing groove (11);

the pressure equalizing plate component (3) comprises a pressure equalizing plate (31) and a fixing mechanism (32); the pressure equalizing plate (31) is placed in the placing groove (11), and a pressure equalizing resistor is arranged on the pressure equalizing plate (31); the pins (21) are electrically connected with the pressure equalizing plate (31); the fixing mechanism (32) is arranged on the pressure equalizing plate (31).

2. The voltage-equalizing plate for the capacitor module as claimed in claim 1, wherein: a plurality of first screw holes (111) are formed in the inner side wall of the bottom end of the placing groove (11); a second screw hole (311) is formed in the pressure equalizing plate (31); the fixing mechanism (32) comprises a fastening screw (321); the fastening screw (321) is arranged in the second screw hole (311), the fastening screw (321) is in threaded fit with the inner side wall of the second screw hole (311), and the fastening screw (321) is in threaded fit with the first screw hole (111).

3. The voltage-equalizing plate for the capacitor module as claimed in claim 2, wherein: a clamping mechanism (4) is arranged in the protective shell (1); the clamping mechanism (4) comprises a pressure plate (41) and a protrusion (42); the pressure plate (41) is connected to the inner side wall of the protective shell (1) in a sliding manner through a spring; the bulges (42) are fixedly connected to the side wall of the pressure plate (41), and a plurality of bulges (42) are arranged.

4. The voltage-equalizing plate for the capacitor module as claimed in claim 3, wherein: a chute (12) is arranged on the inner side wall of the protective shell (1); the inner side wall of the sliding chute (12) is connected with a guide rod (13) in a sliding way; the end part of the guide rod (13) is fixedly connected with the side wall of the pressure plate (41).

5. The voltage-equalizing plate for the capacitor module as claimed in claim 4, wherein: the pressure equalizing plate (31) is provided with a through hole (312); a plurality of through holes (312) are arranged; the pins (21) pass through the through holes (312); and a rubber pad (112) is fixedly connected to the inner side wall of the placing groove (11).

6. The voltage-equalizing plate for the capacitor module as claimed in claim 5, wherein: an anti-skid pad (14) is fixedly connected to the inner side wall of the bottom end of the protective shell (1); the antiskid pad (14) is made of rubber; the bulges (42) are made of rubber.

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