CN211195901U

CN211195901U - Vehicle-mounted charger

Info

Publication number: CN211195901U
Application number: CN201922086807.2U
Authority: CN
Inventors: 杨柳; 罗振顶; 刘博�; 刘威洋; 陈伟
Original assignee: Shenzhen Invt Electric Automobile Charging Technology Co ltd
Current assignee: Invt Electric Vehicle Drive Technology (Shenzhen) Co.,Ltd.
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-07
Anticipated expiration: 2029-11-27

Abstract

The embodiment of the utility model discloses on-vehicle machine that charges, on-vehicle machine that charges includes casing and PCB board. A first accommodating cavity and a composite water channel are arranged in the shell; the composite water channel comprises a plane water channel and a vertical water channel, and the vertical water channel is arranged around the plane water channel and forms a second accommodating chamber together with the plane water channel; the PCB is provided with a plurality of magnetic cores, a switch tube integrated unit and an EMC unit; a plurality of the magnetic core is all located in the second holds the cavity, switch tube integrated unit be located the second hold the outside of cavity and with vertical water course contacts, the EMC unit is located in the first cavity that holds. The embodiment of the utility model provides a through the overall arrangement of optimizing on-vehicle machine inside components and parts that charges, can effectively improve on-vehicle machine's that charges radiating efficiency.

Description

Vehicle-mounted charger

Technical Field

The utility model relates to an electric automobile battery charging outfit technical field especially relates to an on-vehicle machine that charges.

Background

A vehicle-mounted charger is a device capable of safely charging a power battery of an electric automobile. The charging system can dynamically adjust charging current or voltage parameters according to data provided by a Battery Management System (BMS) of the electric automobile, execute corresponding actions and complete a charging process.

In the prior art, the layout of components in the vehicle-mounted charger is unreasonable, so that the heat dissipation performance of the vehicle-mounted charger is poor.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a it is unreasonable to aim at solving the components and parts overall arrangement in the on-vehicle charger, leads to the relatively poor problem of on-vehicle charger heat dispersion.

In order to solve the problem, the embodiment of the utility model provides an on-vehicle machine that charges is provided, on-vehicle machine that charges includes:

the water-cooled generator comprises a shell, wherein a first accommodating cavity and a composite water channel are arranged in the shell; the composite water channel comprises a plane water channel and a vertical water channel, and the vertical water channel is arranged around the plane water channel and forms a second accommodating chamber together with the plane water channel;

the PCB is provided with a plurality of magnetic cores, a switch tube integrated unit and an EMC unit; a plurality of the magnetic core is all located in the second holds the cavity, switch tube integrated unit be located the second hold the outside of cavity and with vertical water course contacts, the EMC unit is located in the first cavity that holds.

The switch tube integrated unit comprises a fixing piece, an elastic pressing piece and a plurality of switch tubes, wherein the fixing piece is provided with a plurality of mounting positions corresponding to the switch tubes one by one, and the switch tubes are correspondingly arranged in the mounting positions; the elastic pressing piece is connected with the fixing piece and used for applying acting force perpendicular to the vertical water channel to each switch tube so that each switch tube is tightly attached to the vertical water channel.

The technical scheme is that a first limiting column is arranged in the installation position, a first limiting hole is formed in the switch tube, and the first limiting column is inserted into the first limiting hole so that the switch tube is fixedly arranged in the installation position.

The fixing piece is provided with a second limiting column, the elastic pressing piece is provided with a second limiting hole, and the second limiting column is inserted into the second limiting hole so that the elastic pressing piece is connected with the fixing piece.

Its further technical scheme does, elasticity compresses tightly the piece and includes the installation department and follows the portion of sticising of the one side perk of installation department, the portion of sticising with the mounting is connected.

The mounting part is provided with a mounting hole, and the mounting part can be detachably mounted on a mounting platform in the casing through the mounting hole and a fastener.

The further technical scheme is that heat-conducting insulating paper is arranged between the switch tube and the vertical water channel.

The further technical scheme is that gaps between the magnetic cores and the composite water channels are filled with heat-conducting glue.

The further technical scheme is that a heat dissipation boss is arranged in the first accommodating cavity, the EMC unit comprises an input common-mode inductor and an input capacitor, and the input common-mode inductor is in contact with the heat dissipation boss through a heat conduction insulating gasket.

The PCB is further provided with a patch switch tube, and the patch switch tube is in contact with the vertical water channel through heat-conducting glue or a heat-conducting fin.

The embodiment of the utility model provides an in, the inside and the outside that the second holds the cavity are located respectively to the main device magnetic core and the switch tube integrated unit that generate heat with on-vehicle machine that charges, can effectively absorb the heat that magnetic core and switch tube integrated unit produced through compound water course from this, have greatly improved the radiating efficiency. Set up independent first accommodation chamber for the EMC unit, can isolate the EMC unit effectively, also can effectively dispel the heat for the EMC unit through first accommodation chamber simultaneously. The improvement of the heat dissipation efficiency enables the components to work efficiently under high load, and greatly improves the utilization rate of the components.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is an exploded view of a vehicle-mounted charger according to an embodiment of the present invention;

fig. 2 is another exploded view of a vehicle-mounted charger according to an embodiment of the present invention;

fig. 3 is an exploded view of a switching tube integrated unit of a vehicle-mounted charger according to an embodiment of the present invention;

fig. 4 is the embodiment of the utility model provides a structural schematic diagram of a PCB board of on-vehicle machine that charges.

Reference numerals

The power supply comprises a machine shell 10, a first containing chamber 20, a composite water channel 30, a plane water channel 31, a vertical water channel 32, a second containing chamber 40, a PCB 50, a magnetic core 51, a switch tube integrated unit 52, a fixing member 521, an installation position 5211, a first limit column 5212, a second limit column 5213, an elastic pressing member 522, a second limit hole 5221, an installation part 5222, a pressing part 5223, an installation hole 5224, a switch tube 523, a first limit hole 5231, an EMC unit 53, an input common mode inductor 531, an input capacitor 532, an installation platform 60, a heat dissipation boss 70, a patch switch tube 80 and a fastener 90.

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, wherein like component numbers represent like components. It is obvious that the embodiments to be described below are only a part of the embodiments of the present invention, and not all of them. 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.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used in the description of the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Referring to fig. 1-4, an embodiment of the present invention provides a vehicle-mounted charger, and it can be known from the figure that the vehicle-mounted charger includes a casing 10 and a PCB 50.

The housing 10 is provided therein with a first receiving chamber 20 and a composite waterway 30. The composite water channel 30 includes a planar water channel 31 and a vertical water channel 32. The vertical water passage 32 is disposed around the planar water passage 31 to form a second receiving chamber 40 together with the planar water passage 31.

The PCB 50 is provided with a plurality of Magnetic cores 51 (specifically, the plurality of Magnetic cores 51 are Magnetic cores 51 of a main transformer of a vehicle-mounted charger), a switching tube integration unit 52, and an EMC (Electro Magnetic Compatibility) unit 53. The plurality of magnetic cores 51 are all arranged in the second accommodating chamber 40, the switch tube integrated unit 52 is positioned outside the second accommodating chamber 40 and is in contact with the vertical water channel 32, and the EMC unit 53 is arranged in the first accommodating chamber 20.

The embodiment of the utility model provides an in, the inside and the outside that the second holds cavity 40 are located respectively to main heating element magnetic core 51 and the switch tube integrated unit 52 with on-vehicle machine that charges, can effectively absorb the heat that magnetic core 51 and switch tube integrated unit 52 produced through compound water course 30 from this, have greatly improved the radiating efficiency. Providing the EMC unit 53 with the separate first accommodation chamber 20 enables the EMC unit 53 to be effectively isolated while also effectively dissipating heat from the EMC unit 53 through the first accommodation chamber 20. The improvement of the heat dissipation efficiency enables the components to work efficiently under high load, and greatly improves the utilization rate of the components.

With continued reference to fig. 1 to 4, in some embodiments, for example, in the present embodiment, the switch tube integrated unit 52 includes a fixing element 521, an elastic pressing element 522, and a plurality of switch tubes 523, where the fixing element 521 is provided with a plurality of mounting locations 5211 corresponding to the switch tubes 523 one by one, and each switch tube 523 is correspondingly provided in each mounting location 5211; the elastic pressing member 522 is connected to the fixing member 521, and is configured to apply an acting force perpendicular to the vertical water channel 32 to each switch tube 523, so that each switch tube 523 is tightly attached to the vertical water channel 32, thereby accelerating heat conduction between the switch tube 523 and the vertical water channel 32, and further improving the heat dissipation efficiency of the vehicle-mounted charger. The number of the mounting locations 5211 on the fixing member 521 can be set by one skilled in the art according to practical situations. For example, 2, 3, 4, or 5 mounting locations 5211 may be provided on the mount 521.

Further, a first limit post 5212 is disposed in the mounting position 5211, a first limit hole 5231 is disposed on the switch tube 523, and the first limit post 5212 is inserted into the first limit hole 5231, so that the switch tube 523 is fixedly disposed in the mounting position 5211.

Further, a second limiting post 5213 is disposed on the fixing element 521, a second limiting hole 5221 is disposed on the elastic pressing element 522, and the second limiting post 5213 is inserted into the second limiting hole 5221, so that the elastic pressing element 522 is connected to the fixing element 521.

Further, the elastic pressing member 522 includes a mounting portion 5222 and a pressing portion 5223 tilted upward from one side of the mounting portion 5222, and the pressing portion 5223 is connected to the fixing member 521. The mounting portion 5222 is provided with a mounting hole 5224, and the mounting portion 5222 can be detachably mounted on the mounting platform 60 in the casing 10 through the mounting hole 5224 and the fastener 90. When the mounting portion 5222 is mounted on the mounting platform 60 in the housing 10, the pressing portion 5223 presses the switch tubes 523 so that the switch tubes 523 are tightly attached to the vertical water passage 32.

Further, heat conduction insulating paper is arranged between the switch tube 523 and the vertical water channel 32, and the switch tube 523 and the vertical water channel 32 can be effectively separated through the heat conduction insulating paper, so that electric leakage is avoided.

Furthermore, a gap between each magnetic core 51 and the composite water channel 30 is filled with a heat-conducting glue. The heat generated by the magnetic core 51 can be quickly conducted to the composite water channel 30 through the heat conducting glue, so that the heat dissipation efficiency of the vehicle-mounted charger is further improved.

Further, a heat dissipation boss 70 is disposed in the first accommodating chamber 20, the EMC unit 53 includes an input common mode inductor 531 and an input capacitor 532, and the input common mode inductor 531 is in contact with the heat dissipation boss 70 through a heat conductive insulating pad. The heat generated by the input common mode inductor 531 can be quickly transferred to the heat dissipation boss 70 in the first accommodating chamber 20 through the heat conduction insulating gasket, so that the heat dissipation efficiency of the vehicle-mounted charger is further improved.

Further, a patch switch tube 80 is further disposed on the PCB 50, and the patch switch tube 80 contacts the vertical water channel 32 through a heat conducting adhesive. Alternatively, in other embodiments, the patch switch tube 80 is in contact with the vertical water channel 32 through a heat conducting sheet. The heat generated by the patch switch tube 80 can be quickly conducted to the vertical water channel 32 through the heat conducting glue or the heat conducting fins, so that the heat dissipation efficiency of the vehicle-mounted charger is further improved.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, while the invention has been described with respect to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

The above description is for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a vehicle-mounted charger which characterized in that includes:

2. The vehicle-mounted charger according to claim 1, characterized in that the switching tube integration unit comprises a fixing member, an elastic pressing member and a plurality of switching tubes, wherein the fixing member is provided with a plurality of mounting positions corresponding to the switching tubes one by one, and each switching tube is correspondingly arranged in each mounting position; the elastic pressing piece is connected with the fixing piece and used for applying acting force perpendicular to the vertical water channel to each switch tube so that each switch tube is tightly attached to the vertical water channel.

3. The vehicle-mounted charger according to claim 2, characterized in that a first limit post is arranged in the mounting position, a first limit hole is arranged on the switch tube, and the first limit post is inserted into the first limit hole so that the switch tube is fixedly arranged in the mounting position.

4. The vehicle-mounted charger according to claim 2, characterized in that a second limiting post is arranged on the fixing member, a second limiting hole is arranged on the elastic pressing member, and the second limiting post is inserted into the second limiting hole so that the elastic pressing member is connected with the fixing member.

5. The vehicle-mounted charger according to claim 2, wherein the elastic pressing member comprises an installation portion and a pressing portion which is tilted upwards from one side of the installation portion, and the pressing portion is connected with the fixing member.

6. The vehicle-mounted charger according to claim 5, wherein a mounting hole is formed in the mounting portion, and the mounting portion can be detachably mounted on a mounting platform in the casing through the mounting hole and a fastener.

7. The vehicle-mounted charger according to claim 2, characterized in that heat-conducting insulating paper is arranged between the switch tube and the vertical water channel.

8. The vehicle-mounted charger according to claim 1, wherein a gap between each magnetic core and the composite water channel is filled with a heat-conducting glue.

9. The vehicle-mounted charger according to claim 1, characterized in that a heat dissipation boss is arranged in the first accommodating chamber, the EMC unit comprises an input common mode inductor and an input capacitor, and the input common mode inductor is in contact with the heat dissipation boss through a heat-conducting insulating gasket.

10. The vehicle-mounted charger according to claim 1, wherein a patch switch tube is further disposed on the PCB, and the patch switch tube is in contact with the vertical water channel through a heat conductive adhesive or a heat conductive sheet.