CN216833256U

CN216833256U - Vehicle-mounted charger and electric vehicle

Info

Publication number: CN216833256U
Application number: CN202220205751.7U
Authority: CN
Inventors: 钟旭; 王帮伟; 周权; 林和清
Original assignee: Suzhou Huichuan United Power System Co Ltd
Current assignee: Suzhou Huichuan United Power System Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-28
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to a battery charging outfit field relates to an on-vehicle machine and electric automobile that charge. The vehicle-mounted charger comprises a filtering unit, a first circuit board and a second circuit board. The filter unit is provided with a first end and a second end which are oppositely arranged, the first circuit board is connected with the first end of the filter unit and is electrically connected with the filter unit, and the second circuit board is connected with the second end of the filter unit and is electrically connected with the filter unit; the OBC module is electrically connected to the filtering unit and the first circuit board, and the DCDC module is electrically connected to the filtering unit and the second circuit board. Through locating the filtering unit between OBC module and DCDC module, realize electric current transmission, current filtering and the signal transmission between OBC module and the DCDC module to through locating the both sides of filtering unit with first circuit board and second circuit board, improve the integrated level, simplify the product structure.

Description

Vehicle-mounted charger and electric vehicle

Technical Field

The utility model relates to a battery charging outfit field, in particular to on-vehicle machine and electric automobile that charge.

Background

Electric vehicles are further classified into pure electric vehicles and hybrid electric vehicles, wherein OBCs (On board charger, OBC), DCDCs (Direct current-Direct current converter, DCDC, voltage converter), and PDUs (Power Distribution Unit, PDU, high voltage Distribution) are important components of electric vehicles, and PCB boards are important components of OBCs and voltage converters DCDC.

Structural design between PCBs and between filters of the existing vehicle-mounted OBC/DCDC integrated product is very complex, so that internal layout of the related integrated product is disordered, and space utilization rate is low.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vehicle-mounted charger utilizes the filtering unit to carry out the conduction of power and/or signal, improves the product integration level, simplifies the structure of product.

In order to achieve the above object, the utility model provides an on-vehicle machine that charges, on-vehicle machine that charges includes:

the filter unit is provided with a first end and a second end which are oppositely arranged;

the first circuit board is connected to the first end of the filtering unit and is electrically connected with the filtering unit;

and the second circuit board is connected to the second end of the filtering unit and is electrically connected with the filtering unit.

Optionally, one of the first circuit board and the second circuit board is integrated with an OBC module and the other is integrated with a DCDC module.

Optionally, the filtering unit includes:

the first circuit board is connected to the first end of the third circuit board and is electrically connected with the third circuit board, and the second circuit board is electrically connected to the second end of the third circuit board and is electrically connected with the third circuit board; and

and the filter device is arranged on the third circuit board and is electrically connected with the third circuit board.

Optionally, the third circuit board is disposed perpendicular to the first circuit board and the second circuit board.

Optionally, the third circuit board comprises:

a plate body having a first end and a second end disposed opposite one another;

the first electrical connecting piece is convexly arranged at the first end of the board body and is connected with the first circuit board; and

and the second electrical connecting piece is convexly arranged at the second end of the board body and is connected with the second circuit board.

Optionally, the first circuit board is provided with a first plugging hole, and the first electrical connector is plugged in the first plugging hole;

the second circuit board is provided with a third plugging hole, and the second electrical connecting piece is plugged in the third plugging hole.

Optionally, the third circuit board further comprises:

the first signal contact pin is arranged on the board body, the first circuit board is provided with a second plug hole, and the first signal contact pin is electrically plugged in the second plug hole; and

the second signal contact pin is arranged on the board body, the second circuit board is provided with a fourth plug hole, and the second signal contact pin is electrically plugged in the fourth plug hole.

Optionally, the first electrical connector is soldered to the first insertion hole;

the second electrical connecting piece is connected to the third inserting hole in a soldering mode;

the first signal contact pin is connected to the second plug hole in a soldering mode;

the second signal pin is connected to the fourth jack hole in a soldering mode.

Optionally, the number of the first electrical connectors is two, one of the first electrical connectors is a positive electrode connector, and the other of the first electrical connectors is a negative electrode connector;

the number of the second electrical connectors is two, one of the second electrical connectors is a positive electrode connector, and the other of the second electrical connectors is a negative electrode connector.

The application also provides an electric automobile, which comprises the vehicle-mounted charger.

The utility model discloses a locate the relative both ends of filter unit with first circuit board and second circuit board, the filter unit has relative first end and the second end that sets up, is different from traditional adoption first circuit board and second circuit board lug connection's mode, and locates the first end of filter unit with first circuit board, and the second end of integrated filter unit is located to the second circuit board, sets up the filter unit between first circuit board and second circuit board, improves the integrated level, simplifies the product structure. And, on-vehicle machine that charges includes filtering unit, first circuit board, second circuit board. The first circuit board is connected to the first end of the filtering unit and electrically connected with the filtering unit, the second circuit board is connected to the second end of the filtering unit and electrically connected with the filtering unit, and the filtering unit is used for conducting power and/or signals, so that the integration level of the product is improved, and the structure of the product is simplified. For example, the OBC module is electrically connected to the filter unit and the first circuit board, and the DCDC module is electrically connected to the filter unit and the second circuit board. The current transmission, filtering and signal conduction between the OBC module and the DCDC module are realized by arranging the filtering unit between the OBC module and the DCDC module. And through OBC module electric connection in filtering unit and first circuit board, DCDC module electric connection in filtering unit and second circuit board for integrated signal switching function has been integrated on the integrated product, and the signal between OBC module and the DCDC module can carry out mutual transmission.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the vehicle-mounted charger of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an exploded schematic view of the vehicle-mounted charger of FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is an enlarged view of the structure of FIG. 3 at C;

fig. 6 is a schematic structural diagram of another view angle of the vehicle-mounted charger in fig. 1;

FIG. 7 is an enlarged view of the structure of FIG. 6 at D;

fig. 8 is a schematic structural diagram of another embodiment of the vehicle-mounted charger of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Fig. 1 to fig. 7 are schematic structural diagrams of an embodiment of the vehicle-mounted charger 100 of the present invention.

As shown in fig. 1, the filter unit 10 has a first end and a second end disposed opposite to each other. The first circuit board 30 and the second circuit board 50 are disposed at two opposite ends of the filter unit 10, which is different from a conventional method of directly connecting the first circuit board 30 and the second circuit board 50, and the filter unit 10 is disposed between the first circuit board 30 and the second circuit board 50, so that the integration level is improved and the product structure is simplified. Moreover, the vehicle-mounted charger 100 includes a filtering unit 10, a first circuit board 30, and a second circuit board 50. The first circuit board 30 is connected to a first end of the filter unit 10 and electrically connected to the filter unit 10; the second circuit board 50 is connected to the second end of the filtering unit 10, and is electrically connected to the filtering unit 10, and conducts power and/or signals by using the filtering unit 10, so as to improve the integration level of the product and simplify the structure of the product.

Further, one of the first circuit board 30 and the second circuit board 50 is integrated with an OBC module, and the other is integrated with a DCDC module. For example, it may be that the OBC module is electrically connected to the filter unit 10 and the first circuit board 30, and the DCDC module is electrically connected to the filter unit 10 and the second circuit board 50. By providing the filtering unit 10 between the OBC module and the DCDC module, current transfer, filtering, and signal conduction between the OBC module and the DCDC module are achieved. The filtering means that alternating current is converted into direct current in the current transmission process, and useful signals are separated from noise in the signal transmission process, so that the anti-interference performance and the signal-to-noise ratio of the signals are improved. And through OBC module electric connection in filtering unit 10 and first circuit board 30, DCDC module electric connection in filtering unit 10 and second circuit board 50 for integrated product has integrateed the signal switching function, and the signal between OBC module and the DCDC module can be transmitted each other, realizes control signal output, is used for controlling to charge.

As shown in fig. 8, it is a schematic structural diagram of another embodiment of the vehicle-mounted charger 100 according to the present invention. The filter unit 10 has a first end and a second end which are oppositely arranged, and the first circuit board 30 is connected to the first end of the filter unit 10 and electrically connected with the filter unit 10; the second circuit board 50 is connected to a second end of the filter unit 10 and electrically connected to the filter unit 10. The first circuit board 30 and the second circuit board 50 are respectively connected to the filter unit 10 through the connection portion 20, wherein the connection portion 20 integrates a line for passing current and/or a line for signal transmission, and the first circuit board 30 and the second circuit board 50 can perform current transmission and/or signal transmission through the filter unit 10 and the connection portion 20.

Further, as shown in fig. 1, the filter unit 10 includes a third circuit board 11 and a filter device 13. The third circuit board 11 has a first end and a second end which are oppositely arranged, the first circuit board 30 is connected to the first end of the third circuit board 11 and is electrically connected with the third circuit board 11, and the second circuit board 50 is electrically connected to the second end of the third circuit board 11 and is electrically connected with the third circuit board 11; the filter 13 is disposed on the third circuit board 11 and electrically connected to the third circuit board 11.

It is understood that the filter unit 10 is an aggregate of the third circuit board 11 and the filter device 13, and the functions and structures of the third circuit board 11 and the filter device 13 are integrated into the filter unit 10.

The two ends of the third circuit board 11 are electrically connected to the first circuit board 30 and the second circuit board 50, respectively, and the filter 13 is disposed on the third circuit board 11, so that the electrical connection points on the third circuit board 11 are reasonably arranged, the structural arrangement is compact, and meanwhile, the mutual interference does not occur.

And the current transmission between the first circuit board 30 and the second circuit board 50 and the signal transmission are realized through the third circuit board 11, and the current filtering between the first circuit board 30 and the second circuit board 50 is realized by electrically arranging the filter device 13 on the third circuit board 11.

Further, the third circuit board 11 is disposed perpendicular to the first circuit board 30 and the second circuit board 50.

The third circuit board 11 is perpendicular to the first circuit board 30 and the second circuit board 50, that is, the first circuit board 30 and the second circuit board 50 are parallel to each other, the third circuit board 11 is perpendicularly arranged between the first circuit board 30 and the second circuit board 50, a space is formed among the third circuit board 11, the third circuit board 30 and the second circuit board 50, the filter 13 is arranged on the third circuit board 11, and at least a part of the filter 13 is accommodated in the space formed among the third circuit board 11, the first circuit board 30 and the second circuit board 50, so that the utilization rate of the space is improved.

Further, as shown in fig. 3, the third circuit board 11 includes a board body 111, a first electrical connector 113, and a second electrical connector 115. The plate body 111 has a first end and a second end disposed oppositely; the first electrical connector 113 is protruded from the first end of the board body 111 and connected to the first circuit board 30; the second electrical connector 115 is disposed at the second end of the board body 111 and connected to the second circuit board 50.

Through metal conductor such as copper between the traditional circuit board, two circuit boards of mode connectors such as soldering tin, screw for metal connection point need additionally to arrange, and complex operation.

This application sets up first electrical property connecting piece 113 and second electrical property connecting piece 115 at the outside arch in both ends of the board body 111, and first electrical property connecting piece 113 and second electrical property connecting piece 115 can be integrated into one piece in the board body 111, also can be plug-in connection in board body 111, so need not additionally to arrange the metal connection point, improves the efficiency of assembly. The connection between the first electrical connector 113 and the second electrical connector 115 effectively transfers the high power current passing through the third circuit board 11 for charging.

Furthermore, the first circuit board 30 is provided with a first inserting hole 31, and the first electrical connector 113 is inserted into the first inserting hole 31; the second circuit board 50 is provided with a third plugging hole 51, and the second electrical connector 115 is plugged in the third plugging hole 51. The assembling efficiency is improved through a plug-in mode.

Further, the third circuit board 11 further includes a first signal pin 117 and a second signal pin 119. The first signal pin 117 is disposed on the board body 111, the first circuit board 30 is disposed with a second insertion hole 33, and the first signal pin 117 is electrically inserted into the second insertion hole 33. The second signal pin 119 is disposed on the board body 111, the second circuit board 50 is disposed with a fourth inserting hole 53, and the second signal pin 119 is electrically inserted into the fourth inserting hole 53.

As shown in fig. 3 and 7, the first signal pin 117 is electrically disposed at the first end of the board body 111, extends out of the board body 111, is electrically connected to the first circuit board 30 through the second inserting hole 33, and is electrically connected to the OBC module; the second signal pin 119 is electrically disposed at the second end of the board body 111, extends out of the board body 111, is electrically connected to the second circuit board 50 through the fourth inserting hole 53, and is electrically connected to the DCDC module.

Through the arrangement of the first signal pin 117 and the second signal pin 119, the OBC module and the DCDC module are integrated on the third circuit board 11, and signal transmission is effectively realized.

As shown in fig. 4, the first circuit board 30 is provided with the first insertion hole 31, so that the first electrical connector 113 is inserted into the first insertion hole 31, and the first circuit board 30 is electrically connected to the third circuit board 11 directly by means of plugging, thereby improving the assembly efficiency. The first circuit board 30 is provided with a second insertion hole 33, the first signal pin 117 passes through the second insertion hole 33 to expose the end of the first signal pin 117, and the end of the first signal pin 117 is electrically connected to the OBC module. Therefore, the first signal pin 117 can be connected to the first circuit board 30 by plugging and unplugging, and the end of the first signal pin 117 is exposed, so that the end of the first signal pin 117 can be electrically connected to the OBC module.

Similarly, as shown in fig. 5, the second circuit board 50 is provided with a third plugging hole 51, so that the second electrical connector 115 is plugged into the third plugging hole 51, and the second circuit board 50 is electrically connected to the third circuit board 11 directly by means of plugging and unplugging, thereby improving the assembly efficiency.

The second circuit board 50 is provided with a fourth inserting hole 53, the second signal pin 119 passes through the fourth inserting hole 53 to expose the end of the second signal pin 119, and the end of the second signal pin 119 is electrically connected to the DCDC module. Therefore, the second signal pin 119 can be connected to the second circuit board 50 by plugging and unplugging, and the end of the second signal pin 119 is exposed, so that the end of the second signal pin 119 can be electrically connected to the DCDC module.

Further, the first electrical connector 113 is soldered to the first inserting hole 31; the second electrical connector 115 is soldered to the third mating hole 51; the first signal pin 117 is soldered to the second socket hole 33; the second signal pin 119 is soldered to the fourth mating hole 53. The connection stability of the plug connection is ensured by the soldering connection.

Two first electrical connectors 113 are provided, one first electrical connector 113 is a positive connector, and the other first electrical connector 113 is a negative connector; the number of the second electrical connectors 115 is two, one second electrical connector 115 is a positive connector, and the other second electrical connector 115 is a negative connector. The positive and negative electrodes are arranged for charging.

Further, the application provides an electric automobile, and the electric automobile comprises a vehicle-mounted charger 100. Since the vehicle-mounted charger 100 adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and are not described in detail herein.

The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

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

a filter unit (10), the filter unit (10) having a first end and a second end arranged oppositely;

the first circuit board (30), the first circuit board (30) is connected to the first end of the filter unit (10), and is electrically connected with the filter unit (10);

the second circuit board (50) is connected to the second end of the filter unit (10), and is electrically connected with the filter unit (10).

2. The vehicle-mounted charger according to claim 1, characterized in that one of said first circuit board (30) and said second circuit board (50) integrates an OBC module and the other integrates a DCDC module.

3. The vehicle-mounted charger according to claim 1, characterized in that said filtering unit (10) comprises:

the first circuit board (30) is connected to the first end of the third circuit board (11) and electrically connected with the third circuit board (11), and the second circuit board (50) is electrically connected to the second end of the third circuit board (11) and electrically connected with the third circuit board (11); and

a filter (13), the filter (13) is arranged on the third circuit board (11) and electrically connected with the third circuit board (11).

4. The vehicle-mounted charger according to claim 3, characterized in that said third circuit board (11) is arranged perpendicularly to said first circuit board (30) and to said second circuit board (50).

5. The vehicle-mounted charger according to claim 4, characterized in that said third circuit board (11) comprises:

a plate body (111), the plate body (111) having a first end and a second end disposed opposite to each other;

the first electrical connecting piece (113), the first electrical connecting piece (113) is arranged at the first end of the board body (111) in a protruding mode and is connected with the first circuit board (30); and

and the second electrical connecting piece (115) is arranged at the second end of the board body (111) in a protruding mode, and the second electrical connecting piece (115) is connected with the second circuit board (50).

6. The vehicle-mounted charger according to claim 5, characterized in that said first circuit board (30) is provided with a first inserting hole (31), and said first electrical connector (113) is inserted into said first inserting hole (31);

the second circuit board (50) is provided with a third plug hole (51), and the second electrical connector (115) is plugged in the third plug hole (51).

7. The vehicle-mounted charger according to claim 6, characterized in that said third circuit board (11) further comprises:

the first signal pin (117) is arranged on the board body (111), the first circuit board (30) is provided with a second plug hole (33), and the first signal pin (117) is electrically plugged in the second plug hole (33); and

the second signal pin (119), the second signal pin (119) set up in the board body (111), second circuit board (50) is equipped with fourth jack (53), second signal pin (119) electric property grafting in fourth jack (53).

8. The vehicle-mounted charger according to claim 7, characterized in that said first electrical connector (113) is soldered to said first mating hole (31);

the second electrical connector (115) is connected to the third plug hole (51) in a soldering manner;

the first signal pin (117) is connected to the second plug hole (33) in a soldering mode;

the second signal pin (119) is soldered to the fourth plug hole (53).

9. The vehicle-mounted charger according to claim 8, wherein the number of the first electrical connectors (113) is two, one of the first electrical connectors (113) is a positive electrode connector, and the other first electrical connector (113) is a negative electrode connector;

the number of the second electrical connectors (115) is two, one second electrical connector (115) is a positive electrode connector, and the other second electrical connector (115) is a negative electrode connector.

10. An electric vehicle, characterized in that it comprises an onboard charger according to any one of claims 1 to 9.