Universal detector for automobile relay

Abstract

The utility model provides an automobile relay general detector, which comprises a main circuit board, a starting switch, a power supply and a charging port, the power supply is electrically connected with the main circuit board through the starting switch, and the main circuit board is provided with a relay base, a control chip, a light emitting diode and a voltage acquisition module. The voltage acquisition module is electrically connected with the relay base, is used for acquiring voltage at two ends of the relay base, and is connected with the control chip; the like product needs to be powered by a storage battery of an automobile, the use scene is limited, but the product is provided with a power supply for power supply, so that the step of supplying power to the relay is reduced, and the device can be used in any occasion.

Description

Technical Field

[0001] The utility model relates to the technical field of relay equipment, in particular to a universal tester for automobile relays. Background Art

[0002] During the automobile maintenance process, the automobile relay is frequently tested. Every time the automobile relay needs to be tested, the tester needs to use two wires to charge the relay, and then use a multimeter to check the continuity of the relay contacts. Moreover, the problem of unstable voltage after electric shock ablation cannot be detected. Summary of the invention

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a universal tester for automobile relays to solve the problem that the existing automobile relays need to be manually charged with the help of two wires during use, resulting in cumbersome operation.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] The present application provides a universal tester for automobile relays, which includes a main circuit board, a start switch and a power supply, wherein the power supply is electrically connected to the main circuit board through the start switch, and a relay base, a control chip, a light-emitting diode and a voltage acquisition module are provided on the main circuit board. The voltage acquisition module is electrically connected to the relay base and is used to collect the voltage at both ends of the relay base. The voltage acquisition module is connected to the control chip and is used to transmit the collected voltage signal to the control chip. The control chip is electrically connected to the light-emitting diode and is used to control the light color of the light-emitting diode.

[0006] Furthermore, the main circuit board is also provided with an expansion port, and the expansion port is electrically connected to the relay base.

[0007] Furthermore, the universal automobile relay tester also includes a charging port, and the charging port is electrically connected to the power supply.

[0008] Furthermore, the power supply is a 12V polymer lithium battery.

[0009] Furthermore, the relay base is provided with a four-pin socket and a five-pin socket.

[0010] The beneficial effects of the utility model are:

[0011] 1. The detection port of the relay tester can be used for common automotive relay detection;

[0012] 2. Compared with similar products, the detection port compatibility of this product is better;

[0013] 3. Similar products need to use the car's own battery for power supply, and the usage scenarios are relatively limited. This product has its own power supply, which reduces the steps of powering the relay and can be used in any occasion. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic block diagram of the structural principle of a universal tester for automotive relays in an embodiment of the present application.

[0015] Figure 2 The figure is a schematic diagram of the circuit structure of a universal tester for automobile relays in an embodiment of the present application.

[0016] In the figure:

[0017] 100-Universal tester for automobile relays, 10-Main circuit board, 20-Start switch, 30-Power supply, 40-Charging port, 50-Expansion port, 60-Control chip, 70-Relay base, 80-Light emitting diode. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] See attached Figure 1 To Attachment Figure 2 As shown, this embodiment provides a universal automobile relay tester 100 , which includes a main circuit board 10 , a start switch 20 , a power supply 30 and a charging port 40 .

[0020] The power supply 30 is electrically connected to the main circuit board 10 and is used to supply power to the main circuit board 10 and the relay. In this embodiment, the power supply 30 uses a 12V polymer lithium battery. The reason for using a 12V polymer lithium battery is that it is small in size, light in weight, safe, and has high energy density. The material is polymer lithium, and the built-in protection board can protect the line from short circuit and overload.

[0021] The charging port 40 is a 12V battery charging port, which is used to charge the above-mentioned 12V polymer lithium battery, so that the product can power the relay, eliminating the cumbersomeness of using a car battery for power supply in the traditional detection method.

[0022] The power supply 30 is electrically connected to the main circuit board 10 via the start switch 20 , and is used to control the power supply of the main circuit board 10 .

[0023] In this embodiment, a relay base 70, a control chip 60, a light emitting diode and a voltage acquisition module are provided on the main circuit board 10. The voltage acquisition module is electrically connected to the relay base 70 and is used to collect the voltage at both ends of the relay base 70. The voltage acquisition module is connected to the control chip 60 and is used to transmit the collected voltage signal to the control chip 60. The control chip 60 is electrically connected to the light emitting diode 80 and is used to control the light color of the light emitting diode 80. In addition, the relay base 70 is provided with a four-pin socket and a five-pin socket to accommodate relays with different numbers of pins.

[0024] In this embodiment, in order to improve the compatibility of the universal vehicle relay tester in this embodiment, an expansion port 50 is further provided on the main circuit board 10, and the expansion port 50 is electrically connected to the relay base 70. In this way, the universal vehicle relay tester can use the expansion port 50 for pairing when encountering an inappropriate relay, thereby improving the compatibility of this product.

[0025] When the universal tester for automobile relays in this embodiment is used, its operation method is as follows:

[0026] 1. First check the type of relay that needs to be tested, and then connect it to the corresponding test hole;

[0027] 2. Then shift the gear to the corresponding pin position;

[0028] 3. Plug the relay into the appropriate test port, click the test button, and the computer will continuously control the coil to turn on and off. When the controller detects that the voltage meets the requirements, the green light will continue to flash for one cycle and then stay green for a long time, which means it is good. If the red light remains without flashing, it is bad.

[0029] In order to better understand the universal tester for automobile relays in this embodiment, the working principle thereof is briefly described below:

[0030] The working principle of the universal automobile relay tester in this embodiment is to detect the voltage drop by controlling the coil of the relay to energize and close the contacts, so as to judge whether the relay is good or bad. The detection result is presented in different colors of the display light.

[0031] When the power switch is turned on, the test switch is turned on. Because the relay is not inserted into the test hole, the current passes through the controller and the indicator light turns red. Insert the relay to turn on the circuit. If the inserted relay is bad, the line will not be turned on, and the controller will not sense the indicator light turning red. After the controller senses the current indicator light turns green, it means that the relay is good.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these modifications and variations.

Claims

1. A universal tester for automobile relays, characterized in that: The universal tester for automobile relays includes a main circuit board, a start switch and a power supply, wherein the power supply is electrically connected to the main circuit board through the start switch, and a relay base, a control chip, a light emitting diode and a voltage acquisition module are arranged on the main circuit board, wherein the voltage acquisition module is electrically connected to the relay base and is used to acquire the voltage at both ends of the relay base, wherein the voltage acquisition module is connected to the control chip and is used to transmit the acquired voltage signal to the control chip, and wherein the control chip is electrically connected to the light emitting diode and is used to control the light emission color of the light emitting diode.

2. A universal tester for automobile relays according to claim 1, characterized in that: The main circuit board is also provided with an expansion port, and the expansion port is electrically connected to the relay base.

3. A universal tester for automobile relays according to claim 1 or 2, characterized in that: The universal automobile relay detector further comprises a charging port, and the charging port is electrically connected to the power supply.

4. The universal tester for automobile relays according to claim 3, characterized in that: The power supply is a 12V polymer lithium battery.

5. The universal tester for automobile relays according to claim 1, characterized in that: The relay base is provided with a four-pin socket and a five-pin socket.

Images