CN215266945U

CN215266945U - Charging adapter

Info

Publication number: CN215266945U
Application number: CN202120497013.XU
Authority: CN
Inventors: 董恒山
Original assignee: Guochuang Mobile Energy Innovation Center Jiangsu Co Ltd; Wanbang Digital Energy Co Ltd; Wanbang Star Charge Technology Co Ltd
Current assignee: Guochuang Mobile Energy Innovation Center Jiangsu Co Ltd; Wanbang Digital Energy Co Ltd; Wanbang Star Charge Technology Co Ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-12-21
Anticipated expiration: 2031-03-05

Abstract

The utility model relates to a car technical field that charges, concretely relates to adapter charges, the adapter that charges includes first socket and second socket, first socket disposes the first interface that charges, the first interface adaptation AC charging stake's that charges rifle, the second socket disposes the second interface that charges, the second charges the portable DC charging machine's of interface adaptation plug, first socket with the second socket electricity is connected. The utility model provides a pair of adapter charges for alternating-current charging stake can be the power supply of portable direct current charger through this adapter that charges, thereby charges for electric automobile, and this adapter that charges simple structure is small and exquisite, with low costs simultaneously, and has and prevents slow-witted design, has improved the efficiency of dismouting maintenance.

Description

Charging adapter

Technical Field

The utility model relates to a car technical field that charges, concretely relates to adapter charges.

Background

The current low-power portable direct current charger product appears in the market, and is popularized due to the characteristic that the charger can be carried along with a vehicle and is convenient to charge, and the application of the charger mainly has the following advantages:

1. the household power plug is configured, so that the electric automobile can be charged at any time and any place only by finding out household 220V single-phase alternating current without three-phase industrial power;

2. because only the direct current charging port is charged, the vehicle does not need the alternating current charging port, and a vehicle-mounted charger (OBC) is not needed, so that the weight and the cost of the pure electric vehicle are reduced;

3. the alternating-current charging pile is not needed, and the problem of difficult pile construction is solved.

At present, the failure rate of a vehicle-mounted charger is higher, and after the vehicle-mounted charger is removed from a pure electric vehicle, the failure rate of the whole vehicle is reduced, and the reliability of the pure electric vehicle is improved.

However, after the vehicle-mounted charger is removed, the following problems still exist: firstly, once a vehicle-mounted charger vehicle model is applied in a large scale, the alternating current charging piles built in an earlier stage lose effectiveness, and if the alternating current charging piles cannot be effectively utilized, great social resource waste is caused; secondly, the electric vehicle user who does not have on-vehicle machine of charging is at the public charging station that only electric pile is filled to the alternating current, even if there is the direct current machine of charging that the vehicle-mounted carried and also can not realize charging. In summary, there is no good technical scheme for how to realize charging by using an ac charging pile for an electric vehicle without a vehicle-mounted charger equipped with a portable dc charger at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem how the electric automobile who is furnished with portable direct current machine that charges that does not have on-vehicle machine that charges who is furnished with the alternating current among the prior art and how to utilize alternating current charging stake to realize charging, provided a charging adapter, connect alternating current charging stake and portable direct current machine that charges for can use alternating current charging stake to supply power for portable direct current machine that charges through this charging adapter.

The technical scheme of the utility model:

a charging adaptor comprising:

the first socket is provided with a first charging interface, and the first charging interface is matched with a charging gun of the alternating-current charging pile;

the second socket is provided with a second charging interface, the second charging interface is matched with a plug of the portable direct current charger, and the first socket is electrically connected with the second socket.

Further, the second socket is a household three-jack socket or a five-jack socket.

Further, the first socket includes a first connection terminal L1 and a first connection terminal N, and the second socket includes a second connection terminal L1 'and a second connection terminal N', the first connection terminal L1 being electrically connected to the second connection terminal L1 ', and the first connection terminal N being electrically connected to the second connection terminal N'.

Further, the first outlet further includes a first connection terminal PE, and the second outlet further includes a second connection terminal PE ', the first connection terminal PE being electrically connected to the second connection terminal PE'.

Further, the first socket further includes a connection terminal CP electrically connected to the first connection terminal PE through a voltage dividing circuit.

Further, the voltage dividing circuit includes a voltage dividing resistor, a first end of the voltage dividing resistor is electrically connected to the connection terminal CP, and a second end of the voltage dividing resistor is electrically connected to the first connection terminal PE.

Further, the resistance value of the divider resistor is 1K Ω.

Further, the charging adaptor further comprises a housing, and the first socket and the second socket are arranged on the housing.

Further, the housing is a rectangular parallelepiped, the first end of the housing is configured with the first socket, and the second end of the housing is configured with the second socket.

Furthermore, the sizes of the mounting surfaces of the first socket and the second socket are the same, and a plurality of mounting holes with the same size are respectively arranged at the same positions of the first socket and the second socket.

After the technical scheme is adopted, the utility model provides a pair of charging adapter compares with prior art, has following beneficial effect:

(1) the charging adaptor of the utility model can supply power for the portable DC charger through the charging adaptor, thereby supplying power for the electric automobile; moreover, the charging adaptor of the utility model can fully utilize the AC charging pile built in the earlier stage when the vehicle-mounted charger model is not applied in a large scale, thereby reducing the waste of resources; and even the electric automobile without the vehicle-mounted charger can be charged in the public charging station only with the alternating-current charging pile, so that the electric automobile without the vehicle-mounted charger is more convenient and flexible to charge.

(2) The utility model discloses a first socket and second socket all are common standardized product in the market, need not redesign, have effectively reduced manufacturing and processing cost.

(3) The utility model discloses a connected mode and bleeder circuit of first socket and second socket are simple and convenient, realize easily.

(4) The utility model discloses a charging adapter has prevents slow-witted design, and the first socket and the second socket at this charging adapter both ends can change position or direction wantonly, need not artifical location and discernment installation direction, have improved the efficiency of dismouting maintenance.

Drawings

Fig. 1 is a schematic diagram of an embodiment of a specific application system of a charging adaptor;

fig. 2 is a schematic connection diagram of a first socket and a second socket of the embodiment;

fig. 3 is a schematic diagram of a control guidance circuit of the ac charging pile;

FIG. 4 is a schematic view showing the overall structure of the housing of the embodiment;

FIG. 5 is a front view of the housing of the embodiment;

fig. 6 is a schematic view of an installation position of the first socket of the embodiment;

fig. 7 is a front view of the first receptacle of the embodiment;

fig. 8 is a schematic view of an installation position of the second socket of the embodiment;

fig. 9 is a front view of the second receptacle of the embodiment.

Wherein the content of the first and second substances,

charging adapter 1, first socket 11, first interface 111 that charges, second socket 12, the second interface 121 that charges, bleeder circuit 13, shell 14, mounting hole 15, alternating-current charging stake 2, rifle 21 charges, portable direct current machine 3 that charges, plug 31, electric automobile 4.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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 is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The utility model aims at providing a novel charging adapter can use alternating-current charging stake through this charging adapter and be the power supply of portable direct current machine that charges to the electric automobile who does not have the on-vehicle machine that charges is provided for alternating-current charging stake's electric energy, charges for electric automobile. The utility model provides a charging adapter makes even also can charge to the electric automobile that does not have on-vehicle machine that charges at only alternating-current charging stake's public charging station, can make full use of the alternating-current charging stake of construction in earlier stage when not having on-vehicle machine motorcycle type extensive application of charging simultaneously, reduces the waste of resource. The following is a detailed description of the preferred embodiments.

The embodiment provides a charging adaptor 1, where the charging adaptor 1 includes a first socket 11 and a second socket 12, the first socket 11 is configured with a first charging interface 111, and the first charging interface 111 is adapted to a charging gun 21 of an ac charging pile 2; the second socket 12 is provided with a second charging interface 121, the second charging interface 121 is adapted to the plug 31 of the portable dc charger 3, and the first socket 11 is electrically connected to the second socket 12 by wires or the like.

As shown in fig. 1, the first socket 11 of the charging adaptor 1 of the embodiment is plugged with the charging gun 21 of the ac charging pile 2, the second socket 12 is plugged with the plug 31 of the portable dc charger 3, and then the output end of the portable dc charger 3 is connected with the electric vehicle 4, so that the ac charging pile 2 sequentially supplies power to the electric vehicle 4 without the vehicle-mounted charger through the charging adaptor 1 and the portable dc charger 3, thereby realizing the function of supplying power to the electric vehicle without the vehicle-mounted charger by using the ac charging pile. In addition, by applying the charging adaptor of the embodiment, the alternating-current charging pile built in the early stage can be fully utilized when a vehicle-mounted charger is not available in a large-scale application, so that the waste of resources is reduced; and even the electric automobile without the vehicle-mounted charger can be charged in the public charging station only with the alternating-current charging pile, so that the electric automobile without the vehicle-mounted charger is more convenient and flexible to charge.

The first charging interface 111 on the first socket 11 may be a charging interface meeting various standards, preferably an ac charging interface meeting national standard GB/T20234.2, and may be plugged into the charging gun 21 of the corresponding ac charging pile 2; the second socket 12 can be a common household socket, and since the plug 31 of the portable dc charger 3 is generally a three-wire plug, the second socket 12 is preferably a three-hole or five-hole household socket. Since the first socket 11 and the second socket 12 of the present embodiment are common standardized products in the market, redesign is not needed, and manufacturing and processing costs are effectively reduced.

Further, the first socket 11 of the present embodiment includes at least two first connection terminals, and the second socket 12 includes at least two second connection terminals, and the first connection terminals and the second connection terminals are electrically connected in a one-to-one correspondence. Specifically, as shown in fig. 2, the two first connection terminals are a first connection terminal L1 and a first connection terminal N, the two second connection terminals are a second connection terminal L1 'and a second connection terminal N', the first connection terminal L1 is electrically connected to the second connection terminal L1 'by wires or the like, the first connection terminal N is electrically connected to the second connection terminal N' by wires or the like, so that the first socket 11 and the second socket 12 can be electrically connected, and the ac charging pile 2 can supply power to the electric vehicle 4 sequentially through the first socket 11, the second socket 12 and the portable dc charger 3.

In consideration of the safety of charging and the related national standard requirements, the first socket 11 of the present embodiment further includes a first connection terminal PE, and the second socket 12 further includes a second connection terminal PE ', the first connection terminal PE and the second connection terminal PE' are electrically connected by means of a wire or the like, so that the safety performance is ensured by increasing the grounding.

Fig. 3 is a schematic diagram of a control guidance circuit of an ac charging post specified in the national standard GB/T18487.1, according to which the ac charging post determines whether a vehicle is ready by measuring a voltage value at a detection point 1 in a CP signal detection circuit. Specifically, the voltage signal that alternating-current charging stake provided is 12V, and equivalent resistor R1's nominal value is 1K omega in the circuit, and when alternating-current charging stake detected the peak voltage of check point 1 and is 6V, alternating-current charging stake makes alternating-current supply circuit switch on through closing contactor K1 and K2 to external power supply output.

In order to implement the above detection function, the first socket 11 of this embodiment is further provided with a connection terminal CP, the connection terminal CP is electrically connected to the first connection terminal PE through the voltage dividing circuit 13, specifically, the voltage dividing circuit 13 includes a voltage dividing resistor, a first end of the voltage dividing resistor is electrically connected to the connection terminal CP, and a second end of the voltage dividing resistor is electrically connected to the first connection terminal PE. In other embodiments, an anti-reverse diode can be added between the voltage dividing resistor and the detection point 1.

In this way, in this embodiment, after the charging gun 21 of the ac charging pile 2 is plugged into the first socket 11 of the charging adaptor 1, and the plug 31 of the portable dc charger 3 is plugged into the second socket 12 of the charging adaptor 1, the voltage dividing circuit 13 between the connection terminal CP and the first connection terminal PE and the resistor R1 in the CP signal detection circuit of the ac charging pile 2 form a series circuit, preferably, the resistance of the voltage dividing resistor is 1K Ω, and the voltage at the detection point 1 after voltage division is 6V. When the alternating-current charging pile 2 detects that the voltage of the detection point 1 is 6V, the connection is judged to be completed, the output contactors K1 and K2 are closed, the power supply loop is conducted, and at the moment, the alternating-current charging pile 2 can supply power for the electric automobile 4 through the charging adapter 1 and the portable direct-current charger 3. The electrical connection mode of the first socket 11 and the second socket 12 and the voltage dividing circuit 13 of the present embodiment are simple, convenient and easy to implement.

As shown in fig. 4 to 9, the charging adaptor 1 of the present embodiment further includes a housing 14, the first receptacle 11 and the second receptacle 12 are disposed on the housing 14, and the first receptacle 11 and the second receptacle 12 are electrically connected by a wire in the housing 14. To achieve a quick-release and fool-proof design of the charging adaptor 1, the housing 14 is preferably configured as an integrally formed rectangular parallelepiped structure, the first end of the housing 14 is configured with the first socket 11, and the second end of the housing 14 is configured with the second socket 12. The first socket 11 and the second socket 12 have the same size of mounting surface, the mounting surface is square, and the cross section of the housing 14 is also square to fit with the first socket 11 and the second socket 12. Further, a plurality of mounting holes 15 with the same size are respectively formed in the same positions of the first socket 11 and the second socket 12, as shown in fig. 7, four mounting holes 15 are uniformly formed in the first socket 11 and are fixed to the housing 14 through four mounting screws, as shown in fig. 9, four mounting holes 15 are also formed in the second socket 12 and are the same in size as the mounting holes 15 in the first socket 11 and are also fixed to the housing 14 through four mounting screws. Because the installation face size of first socket 11 and second socket 12 is the same, and the position and the size of mounting hole 15 are also the same, consequently when the installation, the first socket 11 and the second socket 12 of this charging adapter 1 both ends can change position or direction wantonly, need not artifical location and discernment installation direction, have improved the efficiency of dismouting maintenance.

According to the charging adaptor, the alternating-current charging pile can supply power to the portable direct-current charger through the charging adaptor, so that the electric automobile is charged, meanwhile, the charging adaptor is simple and small in structure, low in cost and capable of being used for fool-proofing, and the efficiency of dismounting and maintenance is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A charging adaptor, comprising:

a first socket (11), wherein the first socket (11) is provided with a first charging interface (111), and the first charging interface (111) is adapted to a charging gun (21) of an alternating current charging pile (2);

the second socket (12), the second socket (12) is provided with a second charging interface (121), the second charging interface (121) is matched with a plug (31) of the portable direct current charger (3), and the first socket (11) is electrically connected with the second socket (12).

2. A charging adaptor as claimed in claim 1, characterised in that the second socket (12) is a domestic three-hole socket or a five-hole socket.

3. The charging adaptor according to claim 1, wherein the first socket (11) comprises a first connection terminal L1 and a first connection terminal N, the second socket (12) comprises a second connection terminal L1 'and a second connection terminal N', the first connection terminal L1 is electrically connected with the second connection terminal L1 ', and the first connection terminal N is electrically connected with the second connection terminal N'.

4. A charging adaptor as claimed in claim 3, characterized in that the first socket (11) further comprises a first connecting terminal PE, the second socket (12) further comprises a second connecting terminal PE ', the first connecting terminal PE being electrically connected with the second connecting terminal PE'.

5. A charging adaptor as claimed in claim 4, characterized in that said first socket (11) further comprises a terminal CP electrically connected to said first connection terminal PE through a voltage dividing circuit (13).

6. The charge adaptor according to claim 5, wherein the voltage dividing circuit (13) includes a voltage dividing resistor, a first end of the voltage dividing resistor is electrically connected to the connection terminal CP, and a second end of the voltage dividing resistor is electrically connected to the first connection terminal PE.

7. The charge adaptor as claimed in claim 6, wherein the resistance value of the voltage dividing resistor is 1K Ω.

8. A charging adaptor as claimed in claim 1, characterized in that the charging adaptor (1) further comprises a housing (14), the first socket (11) and the second socket (12) being arranged on the housing (14).

9. A charging adaptor as claimed in claim 8, characterised in that the housing (14) is of rectangular parallelepiped configuration, a first end of the housing (14) being provided with the first socket (11) and a second end of the housing (14) being provided with the second socket (12).

10. A charging adaptor as claimed in claim 8 or 9, characterized in that the mounting faces of the first socket (11) and the second socket (12) are of the same size, and that a plurality of mounting holes (15) of the same size are provided at the same positions of the first socket (11) and the second socket (12), respectively.