CN214958804U

CN214958804U - Vehicle-mounted charger

Info

Publication number: CN214958804U
Application number: CN202121306052.3U
Authority: CN
Inventors: 鄢文锋; 昝国骥; 邓卫华
Original assignee: Wuhan Yongli Rayco Technology Co ltd
Current assignee: Wuhan Yongli Rayco Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-11-30
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses an on-vehicle machine that charges, including casing, PCB subassembly assembly, connector element and water cooling system, be provided with PCB subassembly assembly in the casing, be provided with water cooling system in the bottom plate of casing, the lateral wall of casing is provided with connector element through the trompil, and connector element is connected with PCB subassembly assembly electricity. The casing includes lid and cavity, and lid and cavity pass through a plurality of bolted connection, are provided with waterproof sealing washer between lid and the cavity, and the bolt all is located waterproof sealing washer's the outside. The utility model discloses set up the water cooling system in the bottom plate of casing, it is little to integrate to set up occupation space, and heating element is rationally distributed, and the radiating effect is good, and manufacturing cost reduces.

Description

Vehicle-mounted charger

Technical Field

The utility model relates to a charging device's technical field especially relates to an on-vehicle machine that charges.

Background

The vehicle-mounted charger is mainly used for finishing output conversion from alternating current to direct current, the power supply is mainly applied to a fuel cell communication power supply system, is used as a power core part of the fuel cell communication power supply system, determines input and output indexes of the whole communication power supply system, and can also be widely applied to power supply systems of communication equipment such as various exchange equipment, mobile base stations and the like. The vehicle-mounted charger is a charger fixedly mounted on an electric automobile, is one of indispensable important components of a pure electric automobile, and needs to consider the environmental conditions of the whole automobile in the working environment.

The vehicle-mounted charger is easy to heat during working, the heat can be taken away in the forms of forced air cooling, natural cooling and the like under the environmental condition of the whole vehicle, and the traditional charger is not provided with a cooling fan, but the independent cooling fan is arranged on the shell of the charger or the vehicle body close to the charger. At present, a part of pure electric vehicles adopt a forced air cooling mode, most of vehicle-mounted charger forced air cooling systems on the market are separated from a charger body, namely, a cooling fan is independently arranged on a radiator, and the radiator is arranged on a bottom plate of the charger, so that the problems of large occupied space, complex installation and arrangement, low part integration level and the like exist in the design of the whole vehicle. And adopt the fan to carry out radiating effect unsatisfactory among the traditional mode, lead to on-vehicle machine temperature that charges higher, reduce the life of on-vehicle machine that charges easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vehicle-mounted charger to solve the problem that above-mentioned prior art exists, make vehicle-mounted charger's compact structure, and the radiating effect is good.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides an on-vehicle machine that charges, including casing, PCB subassembly assembly, connector element and water cooling system, be provided with in the casing PCB subassembly assembly, be provided with in the bottom plate of casing the water cooling system, the lateral wall of casing is provided with through the trompil connector element, connector element with PCB subassembly assembly electricity is connected.

Preferably, the casing includes lid and cavity, the lid with the cavity passes through a plurality of bolted connection, the lid with be provided with waterproof sealing washer between the cavity, the bolt all is located waterproof sealing washer's the outside.

Preferably, the PCB assembly is disposed on a heat dissipation plate, the heat dissipation plate is fixed to the bottom plate of the housing by bolts, and the power components in the PCB assembly are disposed on an outer edge of the heat dissipation plate.

Preferably, the power component is arranged in a glue pouring box, and the glue pouring box is filled with pouring glue.

Preferably, the shell, the potting box and the heat dissipation plate are made of metal materials with high heat conductivity, and the potting adhesive is glue with high heat conductivity.

Preferably, the water cooling system comprises a U-shaped pipeline and a water joint, the U-shaped pipeline is arranged in the bottom plate of the shell, the shape of the U-shaped pipeline is matched with that of the edge of the heat dissipation plate, and two ends of the U-shaped pipeline are communicated with the water cooler of the vehicle body through the water joint.

Preferably, the U-shaped pipeline is cast in the shell, the diameter of the U-shaped pipeline is 10mm, and grooves convenient to carry and L-shaped connecting plates used for fixed connection are arranged on two sides of the shell.

Preferably, the connector assembly includes an input connector, an output connector and a communication connector, and the input connector, the output connector and the communication connector are all connected with corresponding modules in the PCB assembly through OT terminal lockwires.

The utility model discloses for prior art gain following technological effect:

the utility model discloses set up the water cooling system in the bottom plate of casing, it is little to integrate to set up occupation space, and heating element is rationally distributed, and the radiating effect is good, and manufacturing cost reduces.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments 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 creative efforts.

Fig. 1 is an explosion structure diagram of the vehicle-mounted charger of the utility model;

FIG. 2 is a schematic view of an assembly structure of the vehicle-mounted charger of the present invention;

FIG. 3 is a schematic structural view of a section of a middle bottom plate of the vehicle-mounted charger of the present invention;

FIG. 4 is a schematic structural view of a cavity in the vehicle-mounted charger of the present invention;

FIG. 5 is a schematic structural view of a PCB assembly in the vehicle-mounted charger of the present invention;

wherein: the intelligent control system comprises a vehicle-mounted charger 1, a cover 2, a cavity 3, a waterproof sealing ring 4, a PCB assembly 5, a potting box 6, a heat dissipation plate 7, a U-shaped pipeline 8, a water joint 9, an input connector 10, an output connector 11, a communication connector 12, a groove 13 and an L-shaped connecting plate 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model aims at providing a vehicle-mounted charger to solve the problem that prior art exists, make vehicle-mounted charger's compact structure, and the radiating effect is good.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 5: the embodiment provides a vehicle-mounted charger 1, including casing, PCB subassembly assembly 5, connector element and water cooling system, be provided with PCB subassembly assembly 5 in the casing, be provided with water cooling system in the lateral wall of casing, the lateral wall of casing is provided with the connector element through the trompil, the connector element is connected with 5 electricity of PCB subassembly assembly. The casing includes lid 2 and cavity 3, and lid 2 and cavity 3 are provided with waterproof sealing circle 4 through a plurality of bolted connection between lid 2 and the cavity 3, and the bolt all is located waterproof sealing circle 4's the outside, guarantee the leakproofness of casing and dustproof, dampproofing effect.

The PCB component assembly 5 is arranged on a heat dissipation plate 7, the heat dissipation plate 7 is fixed on a bottom plate of the shell through bolts, and power components (such as power capacitors, components with large resistance and the like) in the PCB component assembly 5 are arranged on the outer edge of the heat dissipation plate 7 and can be in contact with the bottom plate and the side wall of the shell, so that heat transfer and heat dissipation of the power components are accelerated. The power component is arranged in a potting box 6, and potting adhesive is poured in the potting box 6, so that heat transfer and heat dissipation of the power component are accelerated relative to opening heat dissipation. The shell, the pouring box 6 and the heat dissipation plate 7 are made of metal materials with high heat conductivity coefficients, such as aluminum, aluminum alloy, copper alloy and the like, and the pouring sealant is glue with high heat conductivity coefficients.

The water cooling system comprises a U-shaped pipeline 8 and a water connector 9, the U-shaped pipeline 8 is arranged in a bottom plate of the shell, the shape of the U-shaped pipeline 8 is matched with that of the edge of the heat dissipation plate 7, so that the power components on the outer edge of the heat dissipation plate 7 can be conveniently contacted and dissipated to increase heat dissipation efficiency, and two ends of the U-shaped pipeline 8 are communicated with a water cooler of the vehicle body through the water connector 9. U type pipeline 8 casts in the casing, and the high integration setting reduces the space occupation of heat dissipation part, and U type pipeline 8's diameter is 10mm, and flow in the unit area is big, and the heat of taking away is many, and the heat dissipation is fast, and the both sides of casing all are provided with the recess 13 of being convenient for the transport and the L type connecting plate 14 that is used for fixed connection.

The connector assembly comprises an input connector 10, an output connector 11 and a communication connector 12, wherein the input connector 10, the output connector 11 and the communication connector 12 are all connected with corresponding modules in the PCB assembly 5 through OT terminal locking wires. The PCB assembly 5, the input connector 10, the output connector 11 and the communication connector 12 are all conventional components of a charging device in the art.

The on-vehicle machine of charging 1 of this embodiment sets up the water cooling system in the bottom plate of casing, and it is little to integrate to set up occupation space, and heating element is rationally distributed, and the radiating effect is good, and manufacturing cost reduces.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a vehicle-mounted charger which characterized in that: including casing, PCB subassembly assembly, connector subassembly and water cooling system, be provided with in the casing PCB subassembly assembly, be provided with in the bottom plate of casing the water cooling system, the lateral wall of casing is provided with through the trompil the connector subassembly, the connector subassembly with PCB subassembly assembly electricity is connected.

2. The vehicle-mounted charger according to claim 1, characterized in that: the casing includes lid and cavity, the lid with the cavity passes through a plurality of bolted connection, the lid with be provided with waterproof sealing circle between the cavity, the bolt all is located waterproof sealing circle's the outside.

3. The vehicle-mounted charger according to claim 1, characterized in that: the PCB assembly is arranged on a heat dissipation plate, the heat dissipation plate is fixed on the bottom plate of the shell through bolts, and power components in the PCB assembly are arranged on the outer edge of the heat dissipation plate.

4. The vehicle-mounted charger according to claim 3, characterized in that: the power component is arranged in a glue pouring box, and pouring glue is poured into the glue pouring box.

5. The vehicle-mounted charger according to claim 4, characterized in that: the casing, the encapsulating box with the heating panel is the metal material that coefficient of heat conductivity is high, the encapsulating is the glue that coefficient of heat conductivity is high.

6. The vehicle-mounted charger according to claim 3, characterized in that: the water cooling system comprises a U-shaped pipeline and a water joint, the U-shaped pipeline is arranged in the bottom plate of the shell, the shape of the U-shaped pipeline is matched with that of the edge of the heat dissipation plate, and two ends of the U-shaped pipeline are communicated with a water cooler of the vehicle body through the water joint.

7. The vehicle-mounted charger according to claim 6, characterized in that: the U-shaped pipeline is cast in the shell, the diameter of the U-shaped pipeline is 10mm, and grooves convenient to carry and L-shaped connecting plates used for fixed connection are arranged on two sides of the shell.

8. The vehicle-mounted charger according to claim 1, characterized in that: the connector assembly comprises an input connector, an output connector and a communication connector, wherein the input connector, the output connector and the communication connector are connected with corresponding modules in the PCB assembly through OT terminal locking wires.