CN216560735U - Electric appliance box detection circuit - Google Patents

Abstract

The application provides an electrical apparatus box detection circuitry, including DC power supply, be used for inserting the relay socket of putting the relay and be used for exporting the first output unit of first break-make signal, the contact return circuit of relay socket with connect after first output unit establishes ties between DC power supply's the positive negative pole. The application provides an integrated DC power supply of electrical apparatus box detection circuitry, relay socket can conveniently insert and put the relay and detect to through the first break-make signal of first output element output, can alleviate the relay detection problem in the electrical apparatus box, strengthened the lightweight and the portability of detection utensil.

Description

Electric appliance box detection circuit

Technical Field

The application relates to the technical field of vehicle electrical box detection, in particular to an electrical box detection circuit.

Background

Before and after the electrical performance test of the whole vehicle, the state of the electrical box of the vehicle needs to be checked, and the voltage of a pin of a base of the electrical box, the on-off of a fuse and the action test of a relay need to be measured. The pin sizes of McAse and Micro type fuses on part of vehicle types are relatively smaller than those of JCASE and MINI type fuses used on common platform vehicle types, so that the pin sizes are not matched with a multimeter pen, and the contact measurement is inconvenient; in addition, the relay test wiring terminal is difficult to plug and pull, and an external 12V power supply and a load are inconvenient to carry, and part of electrical boxes are arranged at the positions with poor illumination, such as the lower part of an instrument desk, the lower part of a seat, the inner side of a trunk and the like, so that the real vehicle test is inconvenient.

The wire harness electrical box conduction test board developed by the automobile wire harness manufacturer at present has the functions of measuring the voltage of the base pin of the electrical box, the on-off of the fuse and the action test of the relay, but the wire harness electrical box conduction test board is mainly developed by factory inspection of the wire harness electrical box of a specific model of a specific automobile type and has no universality.

SUMMERY OF THE UTILITY MODEL

The application provides an electrical apparatus box detection circuitry for solve or alleviate the inconvenient problem of electrical apparatus box base pin voltage measurement not enough, fuse break-make test and relay break-make test.

In one aspect, the application provides an electrical box detection circuit, and specifically, the electrical box detection circuit includes a dc power supply, a relay socket for inserting and releasing a relay, and a first output unit for outputting a first on-off signal, where a contact loop of the relay socket is connected in series with the first output unit and then connected between a positive electrode and a negative electrode of the dc power supply.

Optionally, the electrical box detection circuit further includes a fuse socket for inserting a fuse, and a second output unit for outputting a second on-off signal, where the fuse socket and the second output unit are connected in series and then connected between the positive electrode and the negative electrode of the dc power supply.

Optionally, the electrical box detection circuit further includes a stylus socket, and the stylus socket is connected in parallel with the fuse socket.

Optionally, the electrical box detection circuit further includes a voltmeter, and the voltmeter is connected between the positive electrode and the negative electrode of the dc power supply.

Optionally, the electrical box detection circuit further comprises a lighting lamp, and the lighting lamp is connected between the positive electrode and the negative electrode of the direct current power supply.

Optionally, the first output unit in the electrical box detection circuit is selected from at least one of a buzzer, a diode and a display screen.

Optionally, the electrical box detection circuit further includes a rechargeable battery and a voltage converter, and the rechargeable battery outputs the dc power through the voltage converter.

Optionally, the electrical box detection circuit further comprises an electric quantity indicator, and the electric quantity indicator is connected between the positive electrode and the negative electrode of the rechargeable battery.

Optionally, the rechargeable battery in the electrical box detection circuit is a rechargeable battery, the electrical box detection circuit further includes an adapter interface for charging, and the adapter interface is connected between the positive electrode and the negative electrode of the rechargeable battery.

Optionally, a magnetic loop of the relay socket in the electrical box detection circuit is connected between the positive electrode and the negative electrode of the rechargeable battery.

As mentioned above, the electric appliance box detection circuit provided by the application can conveniently insert and put the relay for detection through integrating the direct-current power supply and the relay socket, and can alleviate the problem of relay detection in the electric appliance box by outputting the first on-off signal through the first output unit, and has the advantages of light weight, portability and the like.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a circuit diagram of an electrical box detection circuit according to an embodiment of the present application.

Fig. 2 is a circuit diagram of an electrical box detection circuit according to another embodiment of the present application.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

It should be noted that, in this document, the term "comprises/comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the recitation of an element by the phrase "comprising an … …" does not exclude the presence of additional like elements in the process, method, article, or apparatus that comprises the element, and further, where similarly-named elements, features, or elements in different embodiments of the disclosure may have the same meaning, or may have different meanings, that particular meaning should be determined by their interpretation in the embodiment or further by context with the embodiment.

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In one aspect, the present application provides an electrical box detection circuit, and fig. 1 is a circuit diagram of an electrical box detection circuit according to an embodiment of the present application.

Referring to fig. 1, in an embodiment, the electrical box detection circuit includes a dc power source U1, a relay socket S1, and a first output unit 10.

The relay socket S1 is used for inserting a relay to be tested, the first output unit 10 is used for outputting a first on-off signal, and a contact loop of the relay socket S1 is connected in series with the first output unit 10 and then connected between the positive electrode and the negative electrode of the direct-current power supply U1.

In the embodiment, when the relay is tested to be switched on and switched off, the specially-made relay socket S1 is adopted, so that the relay detection wiring terminal is free from shaking due to contact, poor contact and the like are avoided, and the effect of saving working hours and avoiding repeated measurement can be achieved; the first output unit 10 has a prompt function, and illustratively, an indicator light buzzer or a display can visually indicate the on/off of the relay to be tested through acousto-optic output.

Referring to fig. 1, in an embodiment, the electrical box detection circuit further includes a fuse socket S2 and a second output unit 20.

The fuse socket S2 is used for inserting a fuse to be tested, and the second output unit 20 is used for outputting a second off signal. The fuse socket S2 is connected in series with the second output unit 20 and then connected between the positive and negative poles of the dc power supply U1.

In this embodiment, when the on/off of the fuse is tested, for the fuse which cannot be directly measured on the electrical box, the special fuse socket S2 is adopted to enable the fuse connection terminal to be in contact without shaking, so that the phenomena of poor contact and the like are avoided, and the effect of saving working hours and avoiding repeated measurement can be achieved. The second output unit 20 has a prompt function, for example, an indicator light buzzer or a display can visually indicate the on/off of the fuse to be tested through the output of sound and light.

Referring to fig. 1, in an embodiment, the electrical box detection circuit further includes a stylus socket S3, and the stylus socket S3 is connected in parallel with the fuse socket S2.

In this embodiment, for the fuse that does not need to be removed from the electrical box, the electrical box detection circuit uses the special stylus socket S3, which can be used to externally extend various types of styluses, such as a common stylus or a special adaptive stylus, according to different fuses to be measured, and the fuse can be directly measured without changing the internal circuit.

Referring to fig. 1, in an embodiment, the electrical box detection circuit further includes a voltmeter V connected between the positive electrode and the negative electrode of the dc power supply U1.

In this embodiment, electrical apparatus box detection circuitry is through the device from taking integrated form voltmeter V, through voltmeter V's pen-shape metre, can need not external power supply or additionally carry the universal meter and just can measure electrical apparatus box pin voltage, makes the device that contains electrical apparatus box detection circuitry have the advantage that small weight is light in carrying. And voltage detection and switch-on detection interface on the device are general banana head type interfaces, can be according to the external meter pen of other types of extension of different testees, need not to change internal circuit can measure pin voltage.

Referring to fig. 1, in an embodiment, the electrical box detection circuit further includes an illumination lamp L, and the illumination lamp L is connected between the positive electrode and the negative electrode of the dc power supply U1.

The electric appliance box detection circuit is convenient for measuring the electric appliance box installed in a dark corner through the lighting lamp L with the USB interface. For example, the illumination lamp L may be provided on the measuring stylus.

In one embodiment, the first output unit 10 and the second output unit 20 of the electrical box detection circuit are selected from at least one of a buzzer, a diode and a display screen.

Illustratively, whether the fuse to be tested is conducted and/or whether the relay is attracted can be visually indicated by observing whether the diode indicator lamps in the first output unit 10 and the second output unit 20 are on, whether the buzzer continuously buzzes and/or whether the display screen displays an on-off signal.

Fig. 2 is a circuit diagram of an electrical box detection circuit according to another embodiment of the present application.

Referring to fig. 2, in one embodiment, the electrical box detection circuit further includes a rechargeable battery U2, a voltage converter 30, a charge indicator M, and an adapter interface N. The rechargeable battery U2 outputs a direct current power supply U1 through the voltage converter 30, and the electric quantity indicator M and the adapter interface N are connected between the positive pole and the negative pole of the rechargeable battery U2 in parallel.

Illustratively, the voltage converter may be a 12v to 5v voltage converter, which converts a 12v high voltage lithium battery U2 into a 5v dc power supply U1 connected to the on-state lighting through a USB port. The electric quantity indicator M can display the electric quantity of the battery, and when the electric quantity of the battery is lower than 20%, the electric box detection circuit is connected with the battery adapter through the adapter interface N to supplement the electric quantity for the rechargeable battery. It should be understood that the conversion values of the voltage converters described by the voltages of 12v and 5v are only used for explaining the application and are not used for limiting the application.

The magnetic circuit of the relay socket S1 may be driven by the dc power supply U1, or may be directly driven by the rechargeable battery U2. With continued reference to fig. 2, in one embodiment, the magnetic circuit of the relay socket S1 in the electrical box detection circuit is connected between the positive and negative electrodes of the rechargeable battery U2.

The power switch device and the circuit protection device can be arranged in the electric appliance box detection circuit according to the situation so as to isolate the charging and discharging circuit, limit the charging and discharging current and control the on-off of the electric appliance box detection circuit and protect the working stability of the electric appliance box. Illustratively, the positive and/or negative poles of the dc power source U1 may be provided with switching devices. The positive and/or negative poles of the rechargeable battery U2 may be provided with switching devices.

As above, the integrated DC power supply of electrical apparatus box detection circuitry, relay socket that this application provided can conveniently insert and put the relay and detect to through the first break-make signal of first output element output, can alleviate the relay detection problem in the electrical apparatus box, strengthened detection instrument's lightweight and portability, whole electrical apparatus box detection circuitry is small weight light in carrying, and stability is high and the commonality is strong.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims (10)

1. The electric appliance box detection circuit is characterized by comprising a direct-current power supply, a relay socket for inserting and releasing a relay and a first output unit for outputting a first on-off signal, wherein a contact loop of the relay socket is connected between the positive electrode and the negative electrode of the direct-current power supply after being connected with the first output unit in series.

2. The electrical box detection circuit according to claim 1, further comprising a fuse socket for inserting and discharging a fuse, and a second output unit for outputting a second on/off signal, wherein the fuse socket and the second output unit are connected in series and then connected between the positive electrode and the negative electrode of the dc power supply.

3. The electrical box detection circuit of claim 2, further comprising a stylus socket connected in parallel with the fuse socket.

4. The electrical box detection circuit of claim 1, further comprising a voltmeter connected between the positive and negative poles of the dc power supply.

5. The electrical box detection circuit according to claim 1, further comprising a lighting lamp connected between the positive and negative poles of the dc power supply.

6. The electrical box detection circuit according to claim 1, wherein the first output unit is at least one selected from a buzzer, a diode, and a display screen.

7. The electrical box detection circuit according to claim 1, further comprising a rechargeable battery and a voltage converter, wherein the rechargeable battery outputs the dc power through the voltage converter.

8. The electrical box detection circuit of claim 7, further comprising an electrical quantity indicator connected between the positive and negative poles of the rechargeable battery.

9. The electrical box detection circuit according to claim 7, wherein the rechargeable battery is a rechargeable battery, and further comprising an adapter interface for charging, the adapter interface being connected between the positive and negative electrodes of the rechargeable battery.

10. The electrical box detection circuit of claim 7, wherein the magnetic circuit of the relay socket is connected between the positive and negative poles of the rechargeable battery.

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