New energy charging adapter

Abstract

The utility model discloses a new energy charging adapter, and aims to solve the problems that the number of ports of a conventional adapter is large, the number of wiring harnesses needing to be connected is large, the size and the space of a shell are small, the heat dissipation effect is poor, the adapter is seriously heated as time goes on, and the service life of the adapter is prolonged. And safety accidents caused by fire breakout of the adapter can be avoided. The new energy charging adapter comprises a first charging head and a second charging head, and an insulating box is arranged in the first charging head. According to the utility model, the first auxiliary port and the second auxiliary port are communicated through the connecting piece, and the first conductor, the second conductor and the connecting piece are all made of copper or copper alloy materials, so that the charging stability can be improved, the conductivity is good, and the current transmission is facilitated; and the first electric conductor, the second electric conductor and the connecting piece can reduce wire harnesses in the charging adapter, so that wiring production is facilitated, and miniaturization of the charging adapter is realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of adapters, and in particular relates to a new energy charging adapter. Background Art

[0002] In recent years, the new energy vehicle industry has flourished, driving the rapid layout and construction of related charging facilities. The state and local governments also encourage and support the development of public charging facilities. At present, there are many standards for the charging interfaces of new energy vehicles in the world: Type 1, Type 2, CCS1, CCS2, CHAdeMO, national standard AC, national standard DC, Tesla interface and the latest ChaoJi interface. Some new energy vehicles and charging piles with different standard interfaces can achieve compatible charging functions through an adapter, thereby improving the charging convenience of new energy vehicles.

[0003] The electrical connection structure of the existing adapter is generally connected by a wiring harness. Since the adapter has many ports, the wiring harnesses that need to be connected are also numerous, and the shell volume and space are relatively small, resulting in poor heat dissipation effect. As time goes by, the adapter often heats up seriously and may even cause the adapter to catch fire, resulting in a safety accident. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a new energy charging adapter, which aims to solve the technical problems that the existing adapters have too many ports, resulting in numerous wiring harnesses that need to be connected, and the shell volume and space are relatively small, resulting in poor heat dissipation effect. Over time, the adapter often heats up severely, and may even cause the adapter to catch fire, resulting in safety accidents.

[0006] (2) Technical solution

[0007] In order to solve the above technical problems, the utility model provides such a new energy charging adapter, which includes a first charging head and a second charging head, wherein an insulating box is arranged inside the first charging head, and a first copper body and a second copper body are arranged on the left and right sides of the insulating box respectively, and the first copper body and the second copper body are equal in size to the insulating box, and a heat dissipation glue is arranged on the outer side of the insulating box;

[0008] The second charging head includes a mounting shell and a protrusion, and a plurality of heat dissipation fins are fixedly connected between the protrusion and the mounting shell. A first DC voltage port and a first auxiliary port are arranged on the left side of the first charging head, and a second DC voltage port and a second auxiliary port are arranged on the right side of the second charging head. Both ends of the first copper body and the second copper body are respectively connected to the first DC voltage port and the second DC voltage port, and the first auxiliary port is connected to the second auxiliary port through a connecting piece.

[0009] Preferably, the first charging head includes a boss and a shell, and the second charging head is fixedly connected to the shell by screws.

[0010] Furthermore, the mounting shell includes a first protruding column, a second protruding column and a third protruding column, and the second auxiliary port and the second DC voltage port are respectively located at the second protruding column and the third protruding column.

[0011] Furthermore, the insulating box includes installation grooves on left and right sides and a partition in the middle, the first copper body and the second copper body are respectively located in the installation grooves on the left and right sides, the first copper body and the second copper body are both extended to the first DC voltage port through the first conductor, the first copper body and the second copper body are both extended to the second DC voltage port through the second conductor, the other end of the first conductor is a plug-in structure, and the other end of the second conductor is a cylindrical structure.

[0012] Furthermore, an insulating plate is provided on the side away from the first copper body and the second copper body, the left end of the connecting piece passes through the first copper body and the insulating plate and extends to the first auxiliary port, and the right end of the connecting piece passes through the partition, the second copper body and the insulating plate and extends to the second auxiliary port.

[0013] Furthermore, the first conductor, the second conductor and the connecting piece are all made of copper or copper alloy, and the first charging head and the second charging head are both made of thermoplastic plastic.

[0014] Furthermore, the first DC voltage port includes a first DC+ port and a first DC- port, and the second DC voltage port includes a second DC+ port and a second DC- port.

[0015] Furthermore, the first auxiliary port includes a first communication port, a first control port and a first ground port, and the second auxiliary port includes a second communication port, a second control port and a second ground port.

[0016] Furthermore, an annular groove is provided on the outer surface of the raised portion, and a sealing ring is provided inside the annular groove, and the sealing ring is used to improve the sealing between the first charging head and the second charging head.

[0017] Furthermore, it also includes a locking rod assembly, which is located at the first protruding column. The locking rod assembly includes a Z-shaped rod slidably connected to the inside of the first protruding column. A groove is provided at the top right side of the second charging head. The left end of the Z-shaped rod passes through the first charging head. The Z-shaped rod is slidably connected to the first charging head. The right end of the Z-shaped rod is located inside the groove. The outer surface of the Z-shaped rod is fixedly connected to a limiting block and is sleeved with a spring.

[0018] (3) Beneficial effects

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] In the above scheme, the first auxiliary port is connected to the second auxiliary port through a connector, and the first conductor, the second conductor and the connector are all made of copper or copper alloy, which can not only improve the stability of charging and good conductivity, but also facilitate the transmission of current. In addition, the first conductor, the second conductor and the connector can reduce the wiring harness inside the charging adapter, facilitate wiring production, and realize the miniaturization of the charging adapter.

[0021] In the above scheme, by setting the area of ​​the first copper body and the second copper body to be more than twice of the ordinary ones, and cooperating with the insulating box, the heat dissipation glue set on the outer side increases the heat dissipation effect of the insulating box, and the heat is conducted to the heat dissipation fins. The heat dissipation fins have a larger surface for heat dissipation. When carrying a large current, there is a very low temperature rise. The temperature rise of 250A current can be controlled at 25°C, which is half lower than the traditional 50°C, so that it can better adapt to the use of large currents and avoid safety accidents of the adapter. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a right-view stereoscopic structural diagram of the new energy charging adapter;

[0023] Figure 2 This is a left-view stereoscopic structural diagram of the new energy charging adapter;

[0024] Figure 3 A schematic diagram of the internal structure of the first charging head of the new energy charging adapter;

[0025] Figure 4 A schematic diagram of the internal structure of the second charging head of the new energy charging adapter;

[0026] Figure 5 This is a schematic diagram of the exploded structure of the insulation box of the new energy charging adapter;

[0027] Figure 6 This is a schematic diagram of the structure of the lock rod assembly of the new energy charging adapter.

[0028] Figure 7 This is the temperature rise test table for the new energy charging adapter.

[0029] The marks in the accompanying drawings are: 1, first charging head; 2, second charging head; 3, insulating box; 4, first copper body; 5, second copper body; 6, mounting shell; 7, raised portion; 8, heat dissipation fin; 9, first DC voltage port; 10, first auxiliary port; 11, second DC voltage port; 12, second auxiliary port; 13, connector; 101, protruding column; 102, housing; 103, screw; 301, mounting groove; 302, partition; 303, first conductor; 304, second conductor; 601, first protruding column; 602, second protruding column; 603, third protruding column; 604, sealing ring; 14, insulating plate; 901, first DC+ port; 902, first DC- port; 1001, first communication port; 1002, first control port; 1003, first grounding port; 1101, second DC+ port; 1102, second DC- port; 1201, second communication port; 1202, second control port; 1203, second grounding port; 15, locking rod assembly; 1501, Z-shaped rod; 1502, groove; 1503, limit block; 1504, spring. DETAILED DESCRIPTION

[0030] This specific implementation is a new energy charging adapter, and its structural diagram is as follows Figure 1-Figure 7 As shown, the new energy charging adapter includes a first charging head 1 and a second charging head 2. An insulating box 3 is arranged inside the first charging head 1. The left and right sides of the insulating box 3 are respectively provided with a first copper body 4 and a second copper body 5. The first copper body 4 and the second copper body 5 are equal in size to the insulating box 3. The outer side of the insulating box 3 is provided with heat dissipation glue. The second charging head 2 includes a mounting shell 6 and a protrusion 7. A plurality of heat dissipation fins 8 are fixedly connected between the protrusion 7 and the mounting shell 6. A first DC voltage port 9 and a first auxiliary port 10 are arranged on the left side of the first charging head 1. A second DC voltage port 11 and a second auxiliary port 12 are arranged on the right side of the second charging head 2. Both ends of the first copper body 4 and the second copper body 5 are respectively connected to the first DC voltage port 9 and the second DC voltage port 11, and the first auxiliary port 10 is connected to the second auxiliary port 12 through a connector 13.

[0031] like Figure 1-4 As shown, in this embodiment, the first charging head 1 includes a boss 101 and a shell 102 , and the second charging head 2 is fixedly connected to the shell 102 via screws 103 .

[0032] This arrangement makes it easier to disassemble and assemble the first charging head 1 and the second charging head 2 , and facilitates subsequent maintenance. During installation, they only need to be connected via the screws 103 .

[0033] like Figure 1 and Figure 4As shown, in this embodiment, the mounting shell 6 includes a first protruding column 601, a second protruding column 602 and a third protruding column 603, and the second auxiliary port 12 and the second DC voltage port 11 are respectively located at the second protruding column 602 and the third protruding column 603.

[0034] like Figure 4 and Figure 5 As shown, in this embodiment, the insulating box 3 includes installation grooves 301 on the left and right sides and a partition 302 in the middle, the first copper body 4 and the second copper body 5 are respectively located in the installation grooves 301 on the left and right sides, the first copper body 4 and the second copper body 5 are both extended to the first DC voltage port 9 through the first conductor 303, and the first copper body 4 and the second copper body 5 are both extended to the second DC voltage port 11 through the second conductor 304, the other end of the first conductor 303 is a plug-in structure, and the other end of the second conductor 304 is a cylindrical structure.

[0035] In this way, the first copper body 4 and the second copper body 5 are respectively arranged in the installation grooves 301 on both sides of the insulating box 3, and a partition is provided between the first copper body 4 and the second copper body 5 to prevent them from touching each other. The first conductor 303 and the second conductor 304 are connected to the first DC voltage port 9 and the second DC voltage port 11, thereby improving the safety of the charging adapter.

[0036] like Figure 3 and Figure 4 As shown, in this embodiment, an insulating plate 14 is provided on the side away from the first copper body 4 and the second copper body 5, the left end of the connecting member 13 passes through the first copper body 4 and the insulating plate 14 and extends to the first auxiliary port 10, and the right end of the connecting member 13 passes through the partition 302, the second copper body 5 and the insulating plate 14 and extends to the second auxiliary port 12.

[0037] In this way, the first copper body 4 and the second copper body 5 are arranged to avoid contact with the first charging head 1 and the second charging head 2 through the insulating plate 14, and the first auxiliary port 10 and the second auxiliary port 12 are connected through the connecting piece 13.

[0038] In this embodiment, the first conductor 303, the second conductor 304 and the connector 13 are all made of copper or copper alloy, and the first charging head 1 and the second charging head 2 are both made of thermoplastic plastic. This arrangement can improve the stability of charging, improve conductivity, and facilitate current transmission.

[0039] like Figure 1 and Figure 2 As shown, in this embodiment, the first DC voltage port 9 includes a first DC+ port 901 and a first DC- port 902 , and the second DC voltage port 11 includes a second DC+ port 1101 and a second DC- port 1102 .

[0040] In this way, the first charging head 1 can be provided with various ports, and each port will vary according to the selected standard, and the actual port can correspond to the standard.

[0041] like Figure 1 and Figure 2 As shown, in this embodiment, the first auxiliary port 10 includes a first communication port 1001 , a first control port 1002 and a first ground port 1003 , and the second auxiliary port 12 includes a second communication port 1201 , a second control port 1202 and a second ground port 1203 .

[0042] By configuring the second charging head 2 in this way, various ports can be configured, and each port will vary according to the selected standard, and the actual port can correspond to the standard.

[0043] like Figure 3 and Figure 4 As shown, in this embodiment, an annular groove is provided on the outer surface of the raised portion 7, and a sealing ring 604 is provided inside the annular groove. The sealing ring 604 is used to improve the sealing between the first charging head 1 and the second charging head 2.

[0044] The sealing ring 604 is arranged in this way to improve the sealing between the first charging head 1 and the second charging head 2, thereby preventing dust from entering the interior of the charging adapter.

[0045] like Figure 4 and Figure 6 As shown, in this embodiment, a locking rod assembly 15 is also included. The locking rod assembly 15 is located at the first protruding column 601. The locking rod assembly 15 includes a Z-shaped rod 1501 slidably connected to the inside of the first protruding column 601. A groove 1502 is provided at the top right side of the second charging head 2. The left end of the Z-shaped rod 1501 passes through the first charging head 1. The Z-shaped rod 1501 is slidably connected to the first charging head 1. The right end of the Z-shaped rod 1501 is located inside the groove 1502. The outer surface of the Z-shaped rod 1501 is fixedly connected to a limiting block 1503 and is sleeved with a spring 1504.

[0046] Such arrangement of the locking rod assembly 15 facilitates the connection of the first charging head 1 with the charging facility and makes the connection more stable, while also facilitating its removal, thereby achieving quick installation and disassembly.

[0047] The technical solution provided by the utility model is that when in use, the first charging head 1 is connected to the charging facility, and the second charging head 2 is connected to the vehicle to be charged to charge the vehicle. The first charging head 1 and the second charging head 2 can adopt a variety of mainstream standards, such as Type 1, Type 2, CCS1, CCS2, CHAdeMO, national standard AC, national standard DC, Tesla interface and the latest ChaoJi interface. In order to make the charging adapter connection reasonable and the heat dissipation better, the first copper body 4 and the second copper body 5 are respectively arranged in the installation grooves 301 on both sides of the insulating box 3, and a partition is arranged between the first copper body 4 and the second copper body 5 to prevent them from touching each other. The first conductor 303 and the second conductor 304 are connected to the first DC voltage port 9 and the second DC voltage port 11, so that The safety of the charging adapter is improved by setting the area of ​​the first copper body 4 and the second copper body 5 to be more than twice of the ordinary ones, and cooperating with the insulating box 3, the heat dissipation glue set on the outer side increases the heat dissipation effect of the insulating box 3, and the heat is conducted to the heat dissipation fins 8. The heat dissipation fins 8 have a larger surface for heat dissipation, and have a very low temperature rise when carrying a large current. The first auxiliary port 10 is connected to the second auxiliary port 12 through the connector 13. The first conductor 303, the second conductor 304 and the connector 13 are all made of copper or copper alloy, which can not only improve the stability of charging and good conductivity, but also facilitate the transmission of current. In addition, the first conductor 303, the second conductor 304 and the connector 13 can reduce the wiring harness inside the charging adapter, facilitate wiring production, and realize the miniaturization of the charging adapter.

[0048] All technical features in this embodiment can be freely combined according to actual needs.

[0049] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A new energy charging adapter, characterized by: The new energy charging adapter comprises a first charging head (1) and a second charging head (2); an insulating box (3) is arranged inside the first charging head (1); a first copper body (4) and a second copper body (5) are arranged on the left and right sides of the insulating box (3); the first copper body (4) and the second copper body (5) are both equal in size to the insulating box (3); and heat dissipation glue is arranged on the outer side surface of the insulating box (3); The second charging head (2) comprises a mounting shell (6) and a protruding portion (7); a plurality of heat dissipation fins (8) are fixedly connected between the protruding portion (7) and the mounting shell (6); a first DC voltage port (9) and a first auxiliary port (10) are arranged on the left side of the first charging head (1); a second DC voltage port (11) and a second auxiliary port (12) are arranged on the right side of the second charging head (2); two ends of the first copper body (4) and the second copper body (5) are respectively connected to the first DC voltage port (9) and the second DC voltage port (11); and the first auxiliary port (10) and the second auxiliary port (12) are connected via a connecting piece (13).

2. The new energy charging adapter according to claim 1, characterized in that: The mounting shell (6) comprises a first protruding column (601), a second protruding column (602) and a third protruding column (603), and the second auxiliary port (12) and the second DC voltage port (11) are respectively located at the second protruding column (602) and the third protruding column (603).

3. The new energy charging adapter according to claim 1, characterized in that: The insulating box (3) comprises installation grooves (301) on the left and right sides and a partition (302) in the middle; the first copper body (4) and the second copper body (5) are respectively located in the installation grooves (301) on the left and right sides; the first copper body (4) and the second copper body (5) are both extended to the first DC voltage port (9) through the first conductor (303); the first copper body (4) and the second copper body (5) are both extended to the second DC voltage port (11) through the second conductor (304); the other end of the first conductor (303) is a plug-in-tube structure, and the other end of the second conductor (304) is a cylindrical structure.

4. The new energy charging adapter according to claim 3, characterized in that: An insulating plate (14) is provided on the side away from the first copper body (4) and the second copper body (5); the left end of the connecting piece (13) passes through the first copper body (4) and the insulating plate (14) and extends to the first auxiliary port (10); the right end of the connecting piece (13) passes through the partition (302), the second copper body (5) and the insulating plate (14) and extends to the second auxiliary port (12).

5. The new energy charging adapter according to claim 3, characterized in that: The first conductor (303), the second conductor (304) and the connecting piece (13) are all made of copper or copper alloy, and the first charging head (1) and the second charging head (2) are both made of thermoplastic plastic.

6. The new energy charging adapter according to claim 1, characterized in that: The first DC voltage port (9) comprises a first DC+ port (901) and a first DC- port (902), and the second DC voltage port (11) comprises a second DC+ port (1101) and a second DC- port (1102).

7. The new energy charging adapter according to claim 1, characterized in that: The first auxiliary port (10) includes a first communication port (1001), a first control port (1002) and a first ground port (1003), and the second auxiliary port (12) includes a second communication port (1201), a second control port (1202) and a second ground port (1203).

8. The new energy charging adapter according to claim 2, characterized in that: An annular groove is provided on the outer surface of the raised portion (7), and a sealing ring (604) is provided inside the annular groove. The sealing ring (604) is used to improve the sealing performance between the first charging head (1) and the second charging head (2).

9. The new energy charging adapter according to claim 2, characterized in that: It also includes a locking rod assembly (15), which is located at the first protruding column (601). The locking rod assembly (15) includes a Z-shaped rod (1501) slidably connected to the inside of the first protruding column (601). A groove (1502) is provided at the top right side of the second charging head (2). The left end of the Z-shaped rod (1501) passes through the first charging head (1). The Z-shaped rod (1501) is slidably connected to the first charging head (1). The right end of the Z-shaped rod (1501) is located inside the groove (1502). The outer surface of the Z-shaped rod (1501) is fixedly connected to a limiting block (1503) and is sleeved with a spring (1504).

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