CN215360960U

CN215360960U - Alternating current charging assembly and alternating current charging equipment

Info

Publication number: CN215360960U
Application number: CN202120528340.7U
Authority: CN
Inventors: 周强; 魏海强; 薛亚平; 由浩
Original assignee: Xi'an Telingchong New Energy Technology Co ltd; Xian Linchr New Energy Technology Co Ltd
Current assignee: Xi'an Lingchong Infinite New Energy Technology Co ltd; Xian Linchr New Energy Technology Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-12-31
Anticipated expiration: 2031-03-12

Abstract

The application provides an alternating current charging assembly and alternating current charging equipment, wherein the alternating current charging assembly comprises a shell, a circuit board and a functional mechanism; the circuit board is arranged in the shell and is provided with an input end and an output end; the functional mechanism is arranged on the circuit board and used for controlling the on-off between the input end and the output end according to the electrifying parameters of the circuit board. According to the alternating current charging assembly and the alternating current charging equipment, the overall structure of the alternating current charging assembly can be reduced, and the arrangement and popularization are facilitated.

Description

Alternating current charging assembly and alternating current charging equipment

Technical Field

The application relates to the technical field of new energy automobile charging, in particular to an alternating current charging assembly and alternating current charging equipment.

Background

The new energy automobile refers to an automobile which adopts unconventional automobile fuel as a power source, and mainly comprises a hybrid electric automobile, a pure electric automobile, a fuel cell electric automobile and the like. In order to refuel a new energy vehicle, it is generally necessary to recharge the vehicle's battery. At present, two modes of direct current charging and alternating current charging are mainly available, wherein the direct current charging needs a larger floor area and is generally used in a public charging station for charging operating vehicles, while the alternating current charging is more suitable for being deployed in places suitable for long-time parking, such as units, parks, residential parking spaces and the like, and the charging convenience is higher than that of the public charging station; therefore, ac charging is becoming increasingly popular.

The ac charging post generally includes a housing and functional electrical components (such as a switch, a controller, a metering electric energy meter, etc.) disposed in the housing, and the functional electrical components are connected by a wire; after the charging pile is connected with the power grid, the charging gun is in butt joint with a charging interface of the new energy automobile, so that the new energy automobile is charged.

However, in the existing alternating-current charging pile, all functional devices are connected through wires, so that the charging pile is large in size, complex in wiring and low in production efficiency, and the arrangement and popularization of the charging pile are not facilitated.

SUMMERY OF THE UTILITY MODEL

The application provides an alternating-current charging subassembly and alternating-current charging equipment to solve present alternating-current charging stake, each functional device passes through the wire and connects, leads to filling the electric pile volume great, and production efficiency is low, is unfavorable for filling the technical problem who lays the popularization of electric pile.

In a first aspect, an embodiment of the present application provides an ac charging assembly, including a housing, a circuit board, and a functional mechanism; the circuit board is arranged in the shell and is provided with an input end and an output end; the functional mechanism is arranged on the circuit board and used for controlling the on-off between the input end and the output end according to the electrifying parameters of the circuit board.

In some embodiments, the functional mechanism includes a control unit, a first leakage detecting unit, and a switching element, all disposed on the circuit board; the switching element is connected between the control unit and the output end; the first electric leakage detection unit is connected with the control unit and is used for detecting the current value of the current flowing into the first electric leakage detection unit; the control unit is used for controlling the on-off of the switch element according to the current value detected by the first leakage detection unit.

In some embodiments, the first electrical leakage detection unit includes an electrical leakage unit housing, and the electrical leakage unit housing is an integral structure with the housing.

In some embodiments, the ac charging assembly further includes a second leakage detecting unit located outside the housing, the second leakage detecting unit being electrically connected to the input terminal, the second leakage detecting unit being configured to control on/off of the second leakage detecting unit according to a current value of a current flowing into the second leakage detecting unit; the functional mechanism comprises a control unit and a switch element which are both arranged on the circuit board, and the switch element is connected between the control unit and the output end; the control unit is used for controlling the on-off of the switch element according to the electrifying parameter.

In some embodiments, the functional mechanism further comprises an electric energy metering unit disposed on the circuit board, the electric energy metering unit being connected between the input and the control unit.

In some embodiments, the housing includes a main housing having an opening on one side and a cover covering the opening, and the cover and the main housing enclose a housing cavity of the housing; the main casing body the opening part is equipped with the first through wires hole that is used for the lead sealing, be equipped with the second through wires hole that is used for the lead sealing on the lid, first through wires hole with the second through wires hole sets up relatively.

In some embodiments, the functional mechanism further includes a display connected to the control unit, and the display is configured to display status information of the ac charging assembly and electric energy metering information of the electric energy metering unit.

In some embodiments, the wiring board includes a first wiring board, and a second wiring board located on one side of the first wiring board in the thickness direction, the second wiring board being electrically connected to the first wiring board; the switch element is arranged on the first circuit board and positioned between the first circuit board and the second circuit board, and the control unit, the electric energy metering unit and the display are arranged on the second circuit board.

In a second aspect, an embodiment of the present application provides an ac charging apparatus, including a charging gun and the ac charging assembly described in the first aspect, wherein the output end of the circuit board is connected to the charging gun.

In some embodiments, the ac charging device further includes a guide rail, and a sliding groove is formed in the housing of the ac charging assembly, and the sliding groove is in sliding fit with the guide rail.

The utility model provides an alternating current charging assembly and alternating current charging equipment is through setting up the circuit board in the casing to functional mechanism sets up on the circuit board, also be exactly with functional mechanism and circuit board integration together, like this, can save the wire occupation space between each component unit of connection functional mechanism, makes alternating current charging assembly's overall structure compact, can reduce alternating current charging assembly's overall structure, and the laying and popularization of being convenient for. Moreover, because the plurality of functional mechanisms are directly arranged on the circuit board, the functional mechanisms can be conveniently arranged and connected, the installation efficiency is improved, and the installation cost is saved.

The construction of the present application and other objects and advantages thereof will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1a is a schematic structural diagram of an ac charging apparatus provided in an embodiment of the present application;

fig. 1b is a schematic overall structure diagram of an ac charging assembly provided in the embodiment of the present application;

fig. 2 is a schematic block diagram of an ac charging assembly provided in an embodiment of the present application;

fig. 3 is an exploded view of an ac charging assembly according to an embodiment of the present disclosure;

fig. 4 is a front view of an ac charging assembly provided in an embodiment of the present application;

fig. 5 is a schematic view illustrating an assembly structure of a circuit board and a functional mechanism in an ac charging assembly according to an embodiment of the present disclosure;

FIG. 6 is a front view of FIG. 5;

FIG. 7 is a schematic diagram of an AC charging assembly according to other embodiments of the present application;

fig. 8 is a schematic structural view of the ac charging assembly of fig. 7 with the terminal protection cover removed;

fig. 9 is a schematic structural view of the other side of the ac charging assembly of fig. 7;

fig. 10 is an exploded view of the ac charging assembly of fig. 7 from one perspective;

fig. 11 is an exploded view of the ac charging assembly of fig. 7 from another perspective;

fig. 12 is a schematic structural view of the ac charging assembly of fig. 7 with a housing removed;

fig. 13 is a schematic structural diagram of an ac charging assembly according to another embodiment of the present application;

fig. 14 is a schematic structural view of the other side of the ac charging assembly of fig. 13;

FIG. 15 is a functional block diagram of the AC charging assembly of FIG. 13;

fig. 16 is an exploded view of the ac charging assembly of fig. 13 from one perspective;

fig. 17 is an exploded view of the ac charging assembly of fig. 13 from another perspective;

fig. 18 is a schematic structural view of the ac charging assembly of fig. 13 with a housing removed.

Description of reference numerals:

10-an ac charging assembly; 20-a guide rail;

100-a housing; 200-a circuit board; 300-a functional mechanism; 400-a second leakage detection unit; 510-connecting wires; 520-an insulating sleeve; 101-a main housing; 1011-a first threading hole; 1012-opening; 102-a cover body; 1021-a second threading hole; 104-a chute; 201-input terminal; 202-an output terminal; 203-a first circuit board; 204-a second circuit board; 205-support column; 206-row needles; 301-a first leakage detection unit; 3011-detecting the body; 3012-switch handle; 3015-a leakage unit housing; 302-a control unit; 303-a metering unit; 304-an expansion interface; 305-a switching element; 306-display.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; 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 application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present application, it is to be understood that the terms "inner," "outer," "upper," "bottom," "front," "back," and the like, when used in the orientation or positional relationship indicated in FIG. 1, are used solely for the purpose of facilitating a description of the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Referring to fig. 1b, fig. 2 and fig. 3, fig. 1b is a schematic diagram of an overall structure of an ac charging assembly provided in the embodiment of the present application, fig. 2 is a schematic block diagram of the ac charging assembly provided in the embodiment of the present application, and fig. 3 is a schematic diagram of an explosion structure of the ac charging assembly provided in the embodiment of the present application. According to a first aspect of embodiments of the present application, there is provided an ac charging assembly, including: a housing 100, a circuit board 200 and a functional mechanism 300.

The wiring board 200 is mounted within the housing 100, and the wiring board 200 has an input terminal 201 and an output terminal 202. It can be understood that: the wiring board 200 may have integrated, printed or otherwise printed wiring connections that are connected between the input 201 and the output 202.

As shown in fig. 2, the input 201 is configured to be connected to a power supply line (e.g., a municipal or national grid) and the output 202 is configured to be connected to a charging gun.

Specifically, the power supply line may provide 220V or 380V.

The functional mechanism 300 is disposed on the circuit board 200 and is configured to control on/off between the input end 201 and the output end 202 according to the power-on parameter of the circuit board 200.

Specifically, in this embodiment of the application, the function mechanism 300 may be configured to detect energization parameters, such as output power and flowing electric quantity, of a connection line on the circuit board 200, and control on/off of the connection line according to the detected energization parameters. For example, after the rifle that charges docks with new energy automobile's the interface that charges, control interconnecting link route to charge new energy automobile, simultaneously, the record flows through the electric quantity of interconnecting link when charging, thereby measures the electric quantity etc..

Alternatively, in the embodiment of the present application, the functional mechanism 300 may be mounted on the circuit board 200 by soldering. For example, the functional mechanism 300 is soldered to the circuit board 200 by wave soldering. Of course, the functional mechanism 300 may be welded to the circuit board 200 by spot welding, soldering, or soldering.

In some specific examples, a contact (e.g., a connection female terminal or a male terminal) may be soldered to the connection line of the circuit board 200, and the functional mechanism 300 is plugged into the connection contact of the connection line through the connection male terminal or the connection female terminal, and then fixed to the circuit board 200 by a fixing member such as a screw, a bolt, or a screw. It will be appreciated that in this case, threaded holes or posts may be provided on the wiring board 200.

Optionally, in this embodiment of the application, the operating power of the ac charging assembly may be 3kw, 5kw, 7kw, or the like; of course, the power may be 15kw, 30kw, for example, which is not limited in the embodiment of the present application.

Specifically, in the embodiment of the present application, the housing 100 may be made of an insulating material, such as a hard plastic. Of course, the housing 100 may be made of other insulating materials used in the prior art, which are not listed in the embodiments of the present application.

Further, referring to fig. 3, the housing 100 includes a main housing 101 having an opening 1012 at one side thereof, and a cover 102 covering the opening 1012 of the main housing 101, wherein the cover 102 and the main housing 101 enclose a housing cavity of the housing 100.

In the specific production, the circuit board 200 mounted with the functional mechanism 300 is mounted in the main casing 101, and the circuit board 200 may be fixed in the main casing 101 by a fixing member such as a screw, a bolt, or a bolt. Then, the cover 102 is placed over the opening 1012 of the main casing 101, thereby enclosing the circuit board 200 and the functional mechanism 300 placed on the circuit board 200 within the casing 100. Thus, the circuit board 200 and the functional mechanism 300 in the mounting chamber can be effectively protected, and the service life of the ac charging module 10 can be prolonged.

In the embodiment of the present application, as shown in fig. 3, the housing 100 is filled with an insulating and heat conducting material.

Wherein, insulating heat conduction material can be heat conduction glue or heat conduction silica gel, and heat conduction glue can fill in main casing body 101 through integrative embedment's mode, then establishes the opening part at main casing body 101 with lid 102 lid. In this way, the integrally potted heat-conductive paste can form a good seal with the lid 102, and can further enhance the protection of the circuit board 200 and the functional mechanism 300.

Through filling the insulating and heat conducting material in the casing 100, the insulating and heat conducting material can rapidly conduct away the heat generated by the functional mechanism 300, the heat dissipation efficiency of the ac charging assembly 10 can be improved, and the overheating of the functional mechanism 300 can be avoided. That is, by filling the insulating and heat conductive material, the charging power of the ac charging assembly 10 can be further increased.

In the embodiment of the present application, by disposing the circuit board 200 in the housing 100, and disposing the functional mechanism 300 on the circuit board 200, that is, integrating the functional mechanism 300 and the circuit board 200 together, in this way, the occupied space of the wires between the constituent units of the functional mechanism 300 can be saved, the overall structure of the ac charging component 10 is compact, the overall structure of the ac charging component 10 can be reduced, and the arrangement and the popularization are facilitated. In addition, since the plurality of functional mechanisms 300 are directly mounted on the circuit board 200, the functional mechanisms 300 can be conveniently mounted and connected, the mounting efficiency is improved, and the mounting cost is saved.

Referring to fig. 2 to 6, fig. 4 is a front view of an ac charging assembly provided in the embodiment of the present application, fig. 5 is a schematic view of an assembly structure of a circuit board and a functional mechanism in the ac charging assembly provided in the embodiment of the present application, and fig. 6 is a front view of fig. 4. The functional mechanism 300 includes a control unit 302, a first leakage detecting unit 301, and a switching element 305, all disposed on the circuit board 200. The switching element 305 is connected between the control unit 302 and the output 202.

The first leakage detecting unit 301 is connected to the control unit 302 and is configured to detect a value of a current flowing into the first leakage detecting unit 301. The control unit 302 is configured to control on/off of the switching element 305 according to the current value detected by the first leakage detecting unit 301.

As shown in fig. 2, the first leakage detecting unit 301 may be connected between the input terminal 201 and the control unit 302, or a unit output terminal of the first leakage detecting unit 301 is connected to the control unit 302, and a unit input terminal of the first leakage detecting unit 301 is the input terminal 201 of the circuit board 200.

It can be understood that the charging pile for charging the new energy automobile is usually arranged at the parking lot or the garage and other positions, and under more conditions, the charging pile is arranged in the open air, so that special attention is needed to the use safety of electric energy. In the embodiment of the present application, by providing the first leakage detecting unit 301, the first leakage detecting unit 301 can detect whether the circuit board 200 leaks electricity or is short-circuited, and when detecting the leakage electricity or the short-circuited, the switching element 305 is controlled to be turned off, so that the safety of the ac charging assembly 10 in use can be ensured.

It is understood that the first leakage detecting unit 301 may convert the detected current value of the current flowing into the first leakage detecting unit 301 into a leakage signal and send the leakage signal to the control unit 302, and the control unit 302 processes the leakage signal, compares the detected current value of the first leakage detecting unit 301 with an upper safety current value limit (which may be between 30mA and 100mA, for example), and controls the switching element 305 to be turned off if the detected current value is greater than the upper safety current value limit. For example, when the current value of the current flowing in the first leakage detecting unit 301 is smaller than 15mA, the operation may not be performed. When the current value of the current flowing into the first leakage detecting unit 301 is large, for example, larger than 30mA, the control unit 302 controls the switching element 305 to be turned off, thereby achieving the purpose of protection.

Specifically, referring to fig. 1b, fig. 3 and fig. 5, in the embodiment of the present application, the first leakage detecting unit 301 includes: a detection body 3011 and a switch handle 3012; the detection body 3011 is arranged on the circuit board 200; the switch handle 3012 is connected to the detection body 3011 and is located on a side of the detection body 3011 away from the circuit board 200; the switch knob 3012 extends to the outside of the housing 100.

Like this, through setting up switch handle 3012, under the circumstances that the subassembly 10 that charges breaks down or the electric leakage, can in time carry out scram to the subassembly 10 that charges that exchanges, can control the break-make of whole equipment circuit, can effectively protect the subassembly 10 that charges and the new energy automobile that is charged. Avoiding dangerous situations.

Optionally, in this embodiment of the application, the first leakage detecting unit 301 may be an air switch or a leakage protection switch. The switch handle 3012 may be a D-type handle or a B-type handle, and the specific form of the switch handle 3012 is not limited in this embodiment of the application.

It can be understood that through setting up switch handle 3012, after the completion of charging, can cut off the power supply to whole alternating current charging subassembly 10 through switch handle 3012, like this, when alternating current charging subassembly 10 does not use, also can be better protect alternating current charging subassembly 10, avoid the dangerous condition of electric leakage to take place.

Optionally, in this embodiment of the application, the control Unit 302 may be a Central Processing Unit (CPU), a Micro Control Unit (MCU), a Field Programmable Gate Array (FPGA), or the like.

The switching element 305 in the present embodiment may be an automatic switch, such as a relay, which uses a small current to control a large current operation. A relay is an electric appliance that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. The circuit plays the roles of automatic regulation, safety protection and switching circuit. Specifically, in the embodiment of the present application, the relay may be an on-board relay.

The on-board relay controls the connection between the connection line and the charging gun according to a control signal of the control unit 302. For example, after the user swipes the card or scans the two-dimensional code, the control unit 302 outputs a control signal to the relay, and the relay controls the connection between the connection line and the charging gun. After the user finishes charging, for example, when the charging gun is pulled out or after payment is made, the control unit 302 outputs a control signal to the relay, and the relay is switched to the off state.

The relationship between the first leakage detecting unit 301 and the housing 100 is not exclusive, and in some embodiments, as shown in fig. 3, the first leakage detecting unit 301 includes a leakage unit housing 3015, and the leakage unit housing 3015 is designed to be separate from the housing 100.

In other embodiments, as shown in fig. 7 to 12, fig. 7 is a schematic structural diagram of an ac charging assembly 10 in other embodiments of the present application, fig. 8 is a schematic structural diagram of the ac charging assembly 10 of fig. 7 with a terminal protection cover removed, fig. 9 is a schematic structural diagram of the other side of the ac charging assembly 10 of fig. 7, fig. 10 and 11 are exploded views of the ac charging assembly 10 of fig. 7 at different viewing angles, and fig. 12 is a schematic structural diagram of the ac charging assembly 10 of fig. 7 with a housing 100 removed.

The earth leakage unit casing 3015 is an integral structure with the casing 100.

By integrally molding the leakage unit casing 3015 and the casing 100, the number of parts of the ac charging assembly 10 can be reduced, so that the assembly of the ac charging assembly 10 can be facilitated, and the assembly efficiency of the ac charging assembly 10 can be improved.

With continued reference to fig. 2, 3, and 5, in the embodiment of the present application, the functional mechanism 300 further includes: the electric energy metering unit 303, the electric energy metering unit 303 is connected between the input end 201 and the control unit 302, and the electric energy metering unit 303 is used for metering the electric quantity flowing through the electric energy metering unit 303, so that a user can conveniently know the charged electric quantity when the electric energy metering unit 303 is used.

Specifically, as shown in fig. 2, the electric energy metering unit 303 is connected between the first leakage detecting unit 301 and the control unit 302, so that the first leakage detecting unit 301 can protect the electric energy metering unit 303 to a certain extent, so as to avoid damaging the electric energy metering unit 303 when the current is too large.

The power metering unit 303 in the embodiment of the present application may be a power metering chip (e.g., a metering chip of the types ADE7755, SA9904B, ATT7026A, CS5463, RN8290D, etc.). In some specific examples, the electric energy metering chip can adopt a metering chip meeting the requirements of the JJG 1148 and 2018 electric vehicle alternating current charging in the national metering and identifying regulations. Therefore, the alternating current charging assembly 10 provided by the embodiment of the application can be used for charging a new energy automobile and can also be used as a common electric meter, and the application range of the alternating current charging assembly 10 is expanded.

In some embodiments, as shown in fig. 7 to 10, a first threading hole 1011 for lead sealing is disposed at the opening 1012 of the main housing 101, a second threading hole 1021 for lead sealing is disposed on the cover 102, and the first threading hole 1011 and the second threading hole 1021 are disposed opposite to each other. Thus, after the cover 102 covers the opening of the main housing 101, the connecting wires can be threaded through the first threading hole 1011 and the second threading hole 1021, and then the first threading hole 1011 and the second threading hole 1021 are sealed. After the lead sealing, the main housing 101 and the cover 102 are not easily opened, so that a user is prevented from tampering with the power metering unit 303 located in the housing 100 to affect the accuracy of the power metering by the power metering unit 303.

Generally, when using and filling electric pile to charge new energy automobile, some communication functions may be used. For example, the new energy automobile is bound through scanning two-dimensional code consumption, card swiping consumption or Bluetooth, and the like. To this end, referring to fig. 2 and 4, in the embodiment of the present application, the functional mechanism 300 further includes: a communication interface 304, the communication interface 304 being connected with the control unit 302, the communication interface 304 being configured to be connected with a communication unit.

Specifically, in the embodiment of the application, the communication unit may be a Radio Frequency Identification (RFID) tag, and the charging gun may be unlocked by swiping a card through the RFID tag, so as to charge the new energy vehicle; of course, card swiping consumption can also be performed through RFID, for example, charging is performed according to the charging time length.

It is understood that the above RFID is only described as an example, and in the embodiment of the present application, the communication unit may also be bluetooth, Wireless Fidelity (Wi-Fi), fourth generation mobile communication technology (4G), fifth generation mobile communication technology (5G), or a card reader, etc.

Through the functional communication interface 304, various communication functions of the ac charging assembly 10 can be effectively expanded, which is convenient for users to use.

In some possible ways, the communication interface 304 may also be connected to a function expansion board, on which the communication unit may be integrated at the same time.

Further, referring to fig. 1 and 6, fig. 6 is a front view of fig. 5. The function mechanism 300 provided by the embodiment of the present application further includes a display 306, the display 306 is connected to the control unit 302, and the display 306 is configured to display the status information of the ac charging assembly 10 and the electric energy metering information of the electric energy metering unit 303.

Specifically, the state information of the ac charging assembly 10 includes at least one of the following information: charge amount, current state of charge, and fault code. It is understood that the status information may also include: charging duration, charge information, etc.

Therefore, on one hand, a user can conveniently know the charging condition; on the other hand, debugging personnel can conveniently debug and troubleshoot the alternating current charging assembly 10, and troubleshooting efficiency is improved.

Optionally, the display 306 may be a touch screen or a touch screen, and virtual interactive keys may be set on the touch screen or the touch screen; the ac charging assembly 10 can be debugged and debugged through the virtual interactive key. In some possible approaches, the display 306 may also be a conventional liquid crystal display, and the interactive keys may be physical keys disposed on one side of the display 306.

Of course, in some possible manners, a plurality of indicator lights may be connected to the control unit 302, and the plurality of indicator lights may extend to the outside of the casing 100, or a transparent cover may be provided on the casing 100, and the indicator lights may extend into the transparent cover. The indicator light may be one or more of an operating status indicator light, a power status indicator light, or a malfunction alert indicator light.

Fig. 13 to 18 are schematic structural diagrams of an ac charging assembly 10 in other embodiments of the present application, fig. 14 is a schematic structural diagram of another side of the ac charging assembly 10 in fig. 13, fig. 15 is a schematic block diagram of the ac charging assembly 10 in fig. 13, fig. 16 and 17 are exploded views of the ac charging assembly 10 in fig. 13 at different viewing angles, and fig. 18 is a schematic structural diagram of the ac charging assembly 10 in fig. 13 with a housing 100 removed.

The ac charging assembly 10 further includes a second leakage detecting unit 400 located outside the housing 100, the second leakage detecting unit 400 is electrically connected to the input terminal 201, and the second leakage detecting unit 400 is configured to control on/off of the second leakage detecting unit 400 according to a current value of a current flowing into the second leakage detecting unit 400.

The functional mechanism 300 includes a control unit 302 and a switch element 305 both disposed on the circuit board 200, the switch element 305 is connected between the control unit 302 and the output end 202, and the control unit 302 is configured to control on/off of the switch element 305 according to the energization parameter of the circuit board 200. The above-mentioned power-on parameter may be output power, electric quantity flowing on the circuit board 200, and the like, and is not limited specifically herein.

In this embodiment, since the second leakage detecting unit 400 is disposed outside the housing 100, an existing leakage detecting device, such as an air switch, can be used as the second leakage detecting unit 400, so that the design cost of the second leakage detecting unit 400 can be reduced, thereby reducing the design and manufacturing cost of the ac charging assembly 10.

As shown in fig. 13 and 18, the second leakage detecting unit 400 may be fixedly connected to the housing 100, so that the housing 100 and the second leakage detecting unit 400 may be integrally formed to facilitate the movement and installation of the ac charging assembly 10.

As shown in fig. 13 and fig. 18, the second leakage detecting unit 400 includes an input terminal and an output terminal, and the output terminal of the second leakage detecting unit 400 is electrically connected to the input terminal 201 through two connecting wires 510. Specifically, one end of the connection lead 510 is connected to the output terminal of the second leakage detecting unit 400, and the other end thereof protrudes into the housing 100 and is electrically connected to the input terminal 201 of the circuit board 200.

In order to avoid short-circuiting between two connecting wires 510, as shown in fig. 18, each connecting wire 510 is surrounded by an insulating sleeve 520, which insulates the two connecting wires 510 from each other and prevents short-circuiting when the two connecting wires 510 are in contact.

In some embodiments, as shown in fig. 12 and 18, the wiring board 200 includes a first wiring board 203, and a second wiring board 204 located on one side of the first wiring board 203 in the thickness direction, the second wiring board 204 being electrically connected to the first wiring board 203.

The switch element 305 is disposed on the first circuit board 203 and between the first circuit board 203 and the second circuit board 204, and the control unit 302, the electric energy metering unit 303, and the display 306 are disposed on the second circuit board 204.

Through the arrangement, the switch element 305 can fully utilize the space between the first circuit board 203 and the second circuit board 204, so that the space utilization rate in the shell 100 is improved, and meanwhile, the switch element 305, the control unit 302, the electric energy metering unit 303 and the display 306 are respectively arranged on the first circuit board 203 and the second circuit board 204, so that the arrangement of the functional mechanism on the circuit board 200 is more compact, the size of the shell 100 is further reduced, and the occupied space of the alternating current charging assembly 10 is reduced.

The second circuit board 204 may be a double-layer circuit board, so that the control unit 302, the electric energy metering unit 303, and the display 306 may be respectively disposed on two sides of the second circuit board 204, for example, as shown in fig. 10 and 11, the display 306 is disposed on one side of the second circuit board 204, and the control unit 302 and the electric energy metering unit 303 are disposed on the other side of the second circuit board 204, so that the arrangement of the control unit 302, the electric energy metering unit 303, and the display 306 on the second circuit board 204 may be optimized, so as to further improve the space utilization rate in the housing 100.

As shown in fig. 12 and 18, a support column 205 may be provided between the first wiring board 203 and the second wiring board 204, so that a space for placing the switching element 305 may be formed between the first wiring board 203 and the second wiring board 204.

As shown in fig. 12 and 18, the first circuit board 203 and the second circuit board 204 can be electrically connected through the pin header 206, and since the pin header 206 is a rigid body, the pin header is not easy to shake, so that the reliability of the electrical connection between the first circuit board 203 and the second circuit board 204 can be ensured.

Referring to fig. 1a and fig. 2, fig. 1a is a schematic structural diagram of an ac charging apparatus provided in an embodiment of the present application. The alternating current charging device comprises the alternating current charging assembly 10 and the charging gun provided by any optional embodiment of the first aspect of the application. After the charging gun is in butt joint with a charging interface of the new energy automobile, the new energy automobile can be charged.

In some embodiments, as shown in fig. 1a and fig. 2, the ac charging apparatus further includes a guide rail 20, and the housing 100 has a sliding slot 104, and the sliding slot 104 is slidably engaged with the guide rail 20. Wherein, the chute 104 can be disposed on the cover 102.

In particular embodiments, the track 20 may be deployed in a parking lot, an underground garage, or a stereo garage, etc. When laying the alternating current charging subassembly 10, through spout and guide rail 20 sliding fit, like this, not only can make things convenient for the installation of alternating current charging subassembly 10 and lay, improve the installation and lay efficiency, the alternating current charging subassembly 10 also can move along guide rail 20 moreover, like this, can share an alternating current charging subassembly 10 with the parking stall of next door, can save the cost.

Moreover, when the ac charging assembly 10 fails, the ac charging assembly 10 can be conveniently detached from the guide rail 20 and directly replaced, and the failed ac charging assembly 10 can be returned to a manufacturer for maintenance or troubleshooting. Thus, the replacement efficiency of the alternating current charging assembly 10 in the event of a failure can be improved, the use of a user is not affected, and the user experience can be improved.

Alternatively, in the embodiment of the present application, the guide rail 20 may be a card rail with a width of 30mm-40mm, and in some specific examples, the guide rail 20 may be a standard card rail with a width of 35 mm. It should be noted that the numerical values and numerical ranges referred to in this application are approximate values, and there may be some error due to the manufacturing process, and the error may be considered to be negligible by those skilled in the art.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An ac charging assembly, comprising:

a housing (100);

a circuit board (200), the circuit board (200) being mounted within the housing (100), and the circuit board (200) having an input (201) and an output (202);

the functional mechanism (300) is arranged on the circuit board (200) and used for controlling the connection and disconnection between the input end (201) and the output end (202) according to the electrifying parameters of the circuit board (200).

2. An AC charging assembly as claimed in claim 1,

the functional mechanism (300) comprises a control unit (302), a first leakage detection unit (301) and a switch element (305) which are all arranged on the circuit board (200);

a switching element (305) connected between the control unit (302) and the output (202);

the first leakage detection unit (301) is connected with the control unit (302) and is used for detecting the current value of the current flowing into the first leakage detection unit (301);

the control unit (302) is used for controlling the on-off of the switch element (305) according to the current value detected by the first leakage detection unit (301).

3. An AC charging assembly as claimed in claim 2,

the first leakage detection unit (301) comprises a leakage unit shell (3015), and the leakage unit shell (3015) and the shell (100) are of an integral structure.

4. An AC charging assembly as claimed in claim 1,

the alternating current charging assembly further comprises a second leakage detection unit (400) located outside the shell (100), the second leakage detection unit (400) is electrically connected with the input end (201), and the second leakage detection unit (400) is used for controlling the second leakage detection unit (400) to be switched on and off according to the current value of the current flowing into the second leakage detection unit (400);

the function mechanism (300) comprises a control unit (302) and a switch element (305) which are both arranged on the circuit board (200), and the switch element (305) is connected between the control unit (302) and the output end (202);

the control unit (302) is used for controlling the on-off of the switch element (305) according to the electrifying parameter.

5. An AC charging assembly as claimed in any one of claims 2 to 4, wherein the functional mechanism (300) further comprises an energy metering unit (303) disposed on the circuit board (200), the energy metering unit (303) being connected between the input (201) and the control unit (302).

6. An AC charging assembly as claimed in claim 5, wherein said housing (100) comprises a main housing (101) having an opening (1012) at one side thereof, and a cover (102) covering said opening (1012), said cover (102) and said main housing (101) enclosing a housing cavity of said housing (100);

the main casing body (101) the opening (1012) department is equipped with first through wires hole (1011) that is used for the lead sealing, be equipped with second through wires hole (1021) that is used for the lead sealing on the lid, first through wires hole (1011) with second through wires hole (1021) set up relatively.

7. An AC charging assembly as claimed in claim 5, characterized in that said function mechanism (300) further comprises a display (306), said display (306) being connected to said control unit (302), said display (306) being adapted to display status information of said AC charging assembly and energy metering information of said energy metering unit (303).

8. An AC charging assembly as claimed in claim 7,

the wiring board (200) comprises a first wiring board (203) and a second wiring board (204) positioned on one side of the first wiring board (203) in the thickness direction, wherein the second wiring board (204) is electrically connected with the first wiring board (203);

the switch element (305) is arranged on the first circuit board (203) and is positioned between the first circuit board (203) and the second circuit board (204), and the control unit (302), the electric energy metering unit (303) and the display (306) are arranged on the second circuit board (204).

9. An ac charging apparatus comprising a charging gun and an ac charging assembly (10) as claimed in any one of claims 1 to 8, the output (202) of the circuit board (200) being connected to the charging gun.

10. The ac charging apparatus according to claim 9, further comprising a guide rail (20), wherein a sliding slot (104) is formed on the housing (100) of the ac charging assembly, and the sliding slot (104) is slidably engaged with the guide rail (20).