CN218548205U

CN218548205U - Capacitor heat insulation structure of electric motorcycle charger

Info

Publication number: CN218548205U
Application number: CN202223068643.9U
Authority: CN
Inventors: 李红星; 付强; 巫小松
Original assignee: Chongqing Hecheng Electric Appliance Co ltd
Current assignee: Chongqing Hecheng Electric Appliance Co ltd
Priority date: 2022-11-19
Filing date: 2022-11-19
Publication date: 2023-02-28
Anticipated expiration: 2032-11-19

Abstract

The utility model discloses a capacitor heat insulation structure of an electric motorcycle charger, which comprises an inner box and a circuit board, wherein a capacitor is arranged on the circuit board, and the capacitor heat insulation structure also comprises a capacitor base, the middle part of the capacitor base is provided with a capacitor hole, the capacitor base is sleeved in the capacitor from the upper end of the capacitor through the capacitor hole, and the lower end of the capacitor base is attached to the circuit board; and a space between the inner side of the inner box and the outer side of the capacitor base is filled with a potting material. The utility model discloses can effectively improve the stability between condenser and the circuit board to can lower the temperature to capacitor surface better, reduce the heat transfer that the thermal radiation produced all around and the heat transfer of encapsulation material direct contact.

Description

Capacitor heat insulation structure of electric motorcycle charger

Technical Field

The utility model relates to a charger technical field especially relates to a condenser heat insulation structure of electric motorcycle car charger.

Background

The existing charging bullet train charger mainly comprises an inner box and a shell, wherein the inner box is locked and fixed with the shell through two or four studs and bolts. The charging circuit board is fixedly installed in the inner box in a mode that the supporting seat is matched with the bolt and the like, and is encapsulated through the encapsulating material, so that the fixation and heat conduction of the electrical appliance element are realized. However, after the potting material is used for potting, when the charger vibrates, falls and the like, relative motion is easily generated between the potting material and the circuit board, so that the stability of the joint of the capacitor and the circuit board is influenced, welding spots are loosened, desoldering and the like are caused, and the normal practicability of the charger is influenced. Moreover, because of the transformer, the rectifier, the capacitor and the like in the charging circuit board, the heat productivity is very large, especially for the capacitor, after encapsulation, the heat radiation of other components and parts and the heat transferred through the encapsulating material easily cause poor heat dissipation effect, and in a limit state, even the risk of damage or even explosion caused by the overhigh temperature of the capacitor is caused; greatly limiting the service life of the charger.

SUMMERY OF THE UTILITY MODEL

The aforesaid that exists to prior art is not enough, the utility model aims to solve current charger condenser and circuit board poor stability, the radiating effect is poor, easily causes the condenser to damage, influences the life's of charger problem, provides a condenser heat insulation structure of electric motorcycle charger, can effectively improve the stability between condenser and the circuit board to can lower the temperature to capacitor surface better, reduce the heat transfer that thermal radiation produced all around and the heat transfer of encapsulation material direct contact.

In order to solve the technical problem, the utility model discloses a technical scheme is such: the utility model provides a capacitor heat insulation structure of electric motorcycle car charger, includes interior box and circuit board, installs the condenser on the circuit board, its characterized in that: the capacitor base is sleeved into the capacitor from the upper end of the capacitor through the capacitor hole, and the lower end of the capacitor base is attached to the circuit board; and a space between the inner side of the inner box and the outer side of the capacitor base is filled with a potting material.

Furthermore, the bottom of the base is provided with a plurality of connecting bosses, pin holes matched with the connecting bosses are formed in the circuit board at positions corresponding to the connecting bosses, and the connecting bosses are inserted into the pin holes and are tightly matched with the circuit board.

Furthermore, the upper end of the capacitor base protrudes out of the inner box.

Furthermore, the side wall of the capacitor hole of the capacitor base is attached to the side wall of the capacitor.

Furthermore, a plurality of heat insulation holes are distributed around the periphery of the outer side of the capacitor hole of the capacitor base.

Furthermore, the capacitor base is made of metal.

Further, the capacitor base is made of aluminum alloy.

Further, the potting material is epoxy resin.

Compared with the prior art, the utility model has the advantages of as follows:

1. simple structure, through addding electric capacity base after, electric capacity base and circuit board fixed connection, the lateral wall laminating in electric capacity hole on condenser and the electric capacity base, like this, can reduce the atress of electric capacity under the charger condition such as fall, vibrations to can improve the stability between electric capacity and the PCB circuit board.

2. The temperature conduction on the surface of the capacitor can be quickly cooled, the heat transfer generated by peripheral heat radiation is reduced by utilizing the heat insulation holes of the base, and meanwhile, the potting material is separated from the capacitor, so that the heat transfer in direct contact with the potting material is avoided; therefore, the service life and the stability of the capacitor are effectively improved, and the use safety of the whole charger is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A of fig. 2.

In the figure: 1-inner box, 2-circuit board, 3-capacitor, 4-capacitor base, 5-heat insulation hole.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example (b): referring to fig. 1, 2 and 3, the capacitor heat insulation structure of the charger of the electric motorcycle comprises an inner box 1 and a circuit board 2, wherein a capacitor 3 is mounted on the circuit board 2. Still include electric capacity base 4, during the implementation, electric capacity base 4 is the metal material to can be faster carry out heat-conduction, make the radiating effect better. Preferably, the capacitor base 4 is made of aluminum alloy. The middle part of the capacitor base 4 is provided with a capacitor hole, the capacitor base 4 is sleeved into the capacitor 3 from the upper end of the capacitor 3 through the capacitor hole, and the lower end of the capacitor base 4 is attached to the circuit board 2. When the circuit board is implemented, the bottom of the base is provided with a plurality of connecting bosses, pin holes matched with the connecting bosses are arranged on the circuit board 2 at positions corresponding to the connecting bosses, and the connecting bosses are inserted into the pin holes and are tightly matched with the circuit board 2; thus, the connection between the base and the circuit board 2 is more convenient, and the connection stability is better. And a space between the inner side of the inner box 1 and the outer side of the capacitor base 4 is filled with potting materials. Wherein the potting material is epoxy resin.

In order to further improve the heat transfer effect, the side wall of the capacitor hole of the capacitor base 4 is attached to the side wall of the capacitor 3; like this, the heat that condenser 3 produced can be transmitted by electric capacity base 4 fast, realizes condenser 3 rapid cooling. Wherein, box 1 in the upper end protrusion of electric capacity base 4, like this, through electric capacity base 4, can be fast with heat transfer to the air in, the radiating effect is better.

A plurality of heat insulation holes 5 are distributed around the periphery of the outer side of the capacitor hole of the capacitor base 4; through the heat insulation hole 5 on the capacitance base 4, the heat transfer that can effectively reduce thermal radiation production all around to the capacitor 3 surface, also can further reduce the potting material simultaneously and transmit the heat to the capacitor 3.

This scheme simple structure, through addding electric capacity base 4 after, electric capacity base 4 and circuit board 2 fixed connection, the lateral wall laminating in electric capacity hole on condenser 3 and the electric capacity base 4 like this, can reduce the atress of electric capacity under the charger condition such as fall, vibrations to can improve the stability between electric capacity and the PCB circuit board 2. The temperature conduction on the surface of the capacitor can be quickly cooled, the heat transfer generated by peripheral heat radiation is reduced by utilizing the base heat insulation holes 5, and meanwhile, the potting material is separated from the capacitor 3, so that the heat transfer in direct contact with the potting material is avoided; therefore, the service life and the stability of the capacitor are effectively improved, and the use safety of the whole charger is improved.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.

Claims

1. The utility model provides a condenser heat insulation structure of electric motorcycle car charger, includes interior box and circuit board, installs the condenser on the circuit board, its characterized in that: the capacitor base is sleeved in the capacitor from the upper end of the capacitor through the capacitor hole, and the lower end of the capacitor base is attached to the circuit board; and a space between the inner side of the inner box and the outer side of the capacitor base is filled with a potting material.

2. The capacitor heat insulation structure of the electric motorcycle charger according to claim 1, characterized in that: the base bottom has the several and connects the boss, on the circuit board, the position that corresponds to the connection boss is equipped with the pinhole with connection boss matched with, connect the boss and insert in the pinhole to be in the same place with the circuit board tight fit.

3. The capacitor heat insulation structure of the electric motorcycle charger according to claim 1, characterized in that: the upper end of the capacitor base protrudes out of the inner box.

4. The capacitor heat insulation structure of the electric motorcycle charger according to claim 1, characterized in that: and the side wall of the capacitor hole of the capacitor base is attached to the side wall of the capacitor.

5. The capacitor heat insulation structure of the electric motorcycle charger according to claim 1, characterized in that: a plurality of heat insulation holes are distributed around the periphery of the outer side of the capacitor hole of the capacitor base.

6. The capacitor heat insulation structure of the electric motorcycle charger according to claim 1, characterized in that: the capacitor base is made of metal.

7. The capacitor heat insulation structure of the electric motorcycle charger according to claim 6, characterized in that: the capacitor base is made of aluminum alloy.

8. The capacitor heat insulation structure of the electric motorcycle charger according to claim 1, characterized in that: the potting material is epoxy resin.