CN210554256U - Internal circuit board structure of integrated charging gun - Google Patents

Abstract

The utility model discloses an internal circuit board structure of rifle is charged to integral type, internal circuit board structure include circuit board I, circuit board II and circuit board III, and circuit board I and circuit board II all form to the circular slab, and circuit board III forms to the bar board, and circuit board I and circuit board II overlap ground and transversely set up inside the rifle that charges, and circuit board III is vertical to be set up on circuit board II. The utility model relates to an internal circuit board structure of integral type rifle that charges, with charging circuit through arranging of three circuit boards integrated in rifle body inner chamber, usage space reduces substantially, convenient operation.

Description

Internal circuit board structure of integrated charging gun

Technical Field

The utility model discloses electric motor car technical field that charges especially relates to an internal circuit board structure of rifle is charged to integral type.

Background

Under the large background of global energy crisis and serious environmental crisis, the application and development of new energy vehicles are actively promoted by national governments, and the charging station has very important social benefits and economic benefits as an important matching infrastructure necessary for developing electric vehicles.

However, the charging system is usually composed of a charging gun and an external control box at present, and the charging system occupies a large area and is inconvenient to use. Therefore, an integrated charging gun that integrates functions of leakage, grounding, voltage, current, temperature detection, electric energy measurement and display in a small space is provided, but how to integrate a charging circuit into an inner cavity of a gun body of the integrated charging gun to realize the functions of the integrated charging gun becomes a problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims at providing an internal circuit board structure of integral type rifle that charges just in order to solve above-mentioned problem.

In order to realize above-mentioned purpose, this disclosure provides an inside circuit board structure of integral type rifle that charges, its characterized in that: the internal circuit board structure comprises a circuit board I, a circuit board II and a circuit board III, wherein the circuit board I and the circuit board II are both formed into circular plates, the circuit board III is formed into strip-shaped plates, the circuit board I and the circuit board II are overlapped and transversely arranged inside the charging gun, and the circuit board III is vertically arranged on the circuit board II.

Optionally, the charging circuit of the electric gun includes a switching power supply portion, a main control portion, and a control portion, and the switching power supply portion, the main control portion, and the control portion are respectively disposed on the circuit board I, the circuit board II, and the circuit board III.

Optionally, the circuit board III is disposed close to an inner wall of the charging gun body, and a charging indication portion of the control portion on the circuit board III is disposed in cooperation with an indication display portion on the charging gun body.

The beneficial effects of the utility model reside in that:

the utility model relates to an internal circuit board structure of integral type rifle that charges, with charging circuit through arranging of three circuit boards integrated in rifle body inner chamber, usage space reduces substantially, convenient operation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic diagram of an internal circuit board structure of an integrated charging gun according to the present invention;

fig. 2 is an assembly structure diagram of the circuit board structure of the present invention assembled inside the integrated charging gun;

FIG. 3 is an illustration of an integrated charging gun AC charging connection process and control sequence;

fig. 4 is a connection diagram of an electric appliance interface when the integral charging gun is charged.

Description of the reference numerals

1-circuit board I, 2-circuit board II, 3-circuit board III, 4-charging indication part, 5-charging gun, 6-internal circuit board structure.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the terms of orientation such as "upper" and "lower" are generally defined based on the orientation or positional relationship shown in the drawings, and specifically refer to the direction of the drawing shown in fig. 1 in combination with the positional relationship of the corresponding parts in other drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

As shown in fig. 1 and 2, the utility model provides an internal circuit board structure 6 of integral type rifle 5 that charges, internal circuit board structure 6 includes circuit board I1, circuit board II2 and circuit board III3, and circuit board I1 and circuit board II2 all form into circular slab, and circuit board III3 forms into the bar board, and circuit board I1 and circuit board II2 overlap and transversely set up inside rifle 5 that charges, and circuit board III3 is vertical to be set up on circuit board II 2.

The original charging circuit is integrated in the inner cavity of the gun body through the arrangement of three circuit boards, so that the use space of the charging system is greatly reduced, and the operation of personnel is facilitated.

Further, the charging circuit of the electric gun includes a switching power supply portion, a main control portion, and a control portion, which are respectively disposed on the circuit board I1, the circuit board II2, and the circuit board III 3.

The switching power supply part, AC changes DC, mainly includes lightning protection, short-circuit protection, rectification, filtering, step-down DC 12V, EMC anti-interference.

The main control part comprises main chip ungrounded protection, overvoltage protection, CP detection, temperature protection and voltage reduction.

The control part mainly comprises a relay, an overcurrent part, a lightning protection part, a short-circuit protection part, an electric leakage protection part and a charging indication part 4, a CP (programmable logic controller) and a PE (polyethylene) lead interface.

Further, the circuit board III3 is disposed near the inner wall of the gun body of the charging gun 5, and the charging indication part 4 in the control part on the circuit board III3 is disposed in cooperation with the indication display part on the gun body of the charging gun 5.

The charging indication part 4 comprises a charging indication, a charging completion indication and a fault indication, and the charging indication, the charging completion indication and the fault indication are displayed through an indication display part on the gun body and inform a user of the state of the charging gun 5.

An electric automobile alternating current charging control box (hereinafter referred to as an on-cable control box) is an intelligent charging control and protection device adopting a charging mode 2 connection mode B, and comprises a function box, a cable, a power supply plug and a vehicle plug, and the safety function of the control function box is executed.

The utility model relates to an embodiment as follows:

1. standard of normative citation

The following documents are essential to the application of this document. For all dated reference files, only the dated version is applicable to this document, and for non-dated reference files, the latest version (including all the amendments) is applicable to this document.

GB/T20234.1-2015 electric vehicle conduction charging connection device — part 1: general requirements

GB/T20234.2 part 2 AC charging interface of connecting device for electric automobile conduction charging

GB/T18487.1-2015 electric vehicle conduction charging system part 1: general requirements

GB/T17626.3 radio frequency electromagnetic field radiation immunity test of electromagnetic compatibility test and measurement technology

GB/T17626.4 electromagnetic compatibility test and measuring technology electric fast transient pulse group immunity test

GB/T17626.5 Surge (impact) immunity test of electromagnetic compatibility test and measurement technology

GB/T17626.11' test for electromagnetic compatibility and measuring technique for immunity to voltage sag, short-time interruption and voltage change

GB/T2423.8 environmental test part 2 of electrician and electronic products, test method test Ed free fall

GB/T2423.1 test method A of environmental test of electronic and electric products: low temperature

GB/T2423.2 environmental test second part test method test B of electronic and electrotechnical products: high temperature

GB/T2423.4 environmental test code test Db for electronic and electrical products: method of alternating Damp Heat test

NB/T33002.1 technical conditions of alternating-current charging pile for electric vehicle

QC/T413 basic technical conditions of automotive electrical equipment

2. Environmental parameter

1) Working temperature: -30 ℃ to +55 ℃;

2) storage temperature: -50 ℃ to +85 ℃;

3) pollution grade: outdoor use pollution class 3

4) Altitude: <2000 m;

5) relative humidity: can be used within the range of 3% RH to 95% RH (no coagulation);

6) protection grade: not lower than IP 66;

7) flame retardant rating: UL 94V 0;

8) drop impact test: meets GB/T2423.8-2008

3. Electrical characteristics:

1) rated ac operating voltage: 220 +/-20% VAC

2) Starting voltage range: 185V-254V

3) Rated ac operating current: 16A

4) The working frequency is as follows: 50Hz + -2 Hz

5) Residual current rated operating current: ≦ 30mA

6) Residual current rated action time: less than or equal to 0.1s

7) Current detection accuracy: +/-0.4A

8) Voltage detection accuracy: 5V

9) Controlling the power consumption of the circuit: <5W

10) T1-T1' time setting: and (3) shielding abnormal communication faults caused by voltage fluctuation within 3s and 3 s. The ac charging connection process and the control sequence are shown in fig. 3. Wherein: note 1: t1' -T2 is determined by the vehicle and can be used for reservation charging and the like. Note 2: T2-T2' is less than 3 s. Note 3: for the power supply equipment with the operation interface, human-computer interaction such as charging parameter setting and confirmation operation is completed before T1'.

4. Functional requirements

1) Overvoltage protection

2) Undervoltage protection

3) Overcurrent protection

4) Leakage protection

5) Ground protection

6) Lightning protection

7) Over-temperature protection

5. Reliability design requirement

1) The mean time between failures of the function boxes on the cable is not less than 10000 h;

2) the failure-free working cycle of the function box on the cable is not less than 1500 times;

6. the electrical interface connection is shown in fig. 4.

7. EMC performance

Table 1 EMC performance test specification

8. And (3) control strategy: (software portion)

The control strategy will be adjusted according to the different needs of each manufacturer. (wherein the delay time can be adjusted according to the client's requirements)

TABLE 2

9. Function of indicator light

Control box pilot lamp on the cable: 4 indicator lamps are adopted

D1 power indicator: green;

d2 operating status indicator lamp: green;

d3 failure indicator lamp 1: red;

d4: fault indicator lamp 2: red.

Software version: SCSD 20190423-01V 1.0

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (3)

1. The inside circuit board structure of rifle is charged to integral type, its characterized in that: the internal circuit board structure comprises a circuit board I, a circuit board II and a circuit board III, wherein the circuit board I and the circuit board II are both formed into circular plates, the circuit board III is formed into strip-shaped plates, the circuit board I and the circuit board II are overlapped and transversely arranged inside the charging gun, and the circuit board III is vertically arranged on the circuit board II.

2. The internal circuit board structure of the one-piece charging gun according to claim 1, characterized in that: the charging circuit of the electric gun comprises a switching power supply part, a main control part and a control part, wherein the switching power supply part, the main control part and the control part are respectively arranged on a circuit board I, a circuit board II and a circuit board III.

3. The internal circuit board structure of the one-piece charging gun according to claim 2, characterized in that: the circuit board III is close to the inner wall of the charging gun body, and a charging indication part in the control part on the circuit board III is matched with an indication display part on the charging gun body.

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