Automobile relay tester

Abstract

The invention relates to the field of relay testing, in particular to an automobile relay tester, which comprises a tester body and pins, a plurality of groups of pins are arranged on the upper end surface of the tester body, a toggle switch is arranged on the right of the pins, a test key is arranged in front of the toggle switch, and an on-off key is arranged in front of the test key. According to the invention, the equipment significantly improves the fault diagnosis efficiency of the relay through a standardized interface and automatic test logic, is especially suitable for maintenance scenes needing quick response or large-scale detection requirements, and has industrial-grade reliability and practicability.

Description

Technical Field

[0001] The present invention relates to the field of relay testing, and particularly to an automotive relay tester. Background Art

[0002] A relay is an electromechanical device that enables a low-power signal to control a relatively high-power load. For example, in an automotive circuit, a relay is often used to control the headlight circuit. The light switch operated by the automotive driver is connected to the input side or coil side of the relay. This input side draws relatively little power from the light switch circuit. When the headlight switch is turned to the on position, current flows through the coil, creating a magnetic field around the longitudinal axis of the coil. This magnetic field then attracts the ferromagnetic metal pole piece on the output side of the relay, causing the contacts to change state and closing the headlight circuit to supply power to the relatively high-power headlight circuit. In effect, the relatively small power drawn from the automotive headlight switch circuit controls the relatively large power delivered to the headlight circuit through a separate circuit. This configuration is applied throughout the industrial field and in various electrical / electronic controls for equipment, automobiles, appliances, automated equipment, and nearly all devices that require some medium-power control.

[0003] When troubleshooting electronic circuits such as those in automobiles, it is often valuable to first test any relays in the circuit to ensure they are operating properly. In an automotive circuit, there is usually no convenient way to access electrical test points while the circuit is operating or "energized". A relay consists of a control (coil) connector and a load side. When the coil is energized by the control circuit, the relay causes at least one mechanical contact to operate, and through the operation of this mechanical contact, the connected load circuit is energized or de-energized. When a circuit of this type fails, it is necessary to check the voltage and current at different locations within the relay to determine the cause of the problem. If there are conveniently accessible test points in the circuit, a voltmeter and an ammeter (digital multimeter, abbreviated as DMM) can be used to display the electrical measurements of the circuit. The disadvantage of using a digital multimeter is that it is time-consuming, and it is particularly difficult to measure current in an energized circuit. A digital multimeter also cannot perform automatic measurements on a relay to determine whether it is operating properly. Therefore, a programmable device is needed that can automatically apply signals to a relay and evaluate the operation of the output circuit to determine whether the relay is operating properly. Such a desired device should include multiple sockets, each for inserting one of a variety of different types or "form factors" of relays. In addition, such a desired invention should allow the user to quickly remove a relay from its original circuit, insert the relay into a suitable socket of the present invention, and quickly perform a series of tests on the relay to determine whether the relay is operating properly. The present invention achieves these goals. Summary of the Invention

[0004] To solve the above technical problems, the present invention provides an automotive relay tester, including a tester body and pins. Multiple groups of pins are arranged on the upper end face of the tester body. A toggle switch is arranged to the right of the pins, a test button is arranged in front of the toggle switch, and a power switch is arranged in front of the test button. An LED indicator light is installed on the upper end face of the tester body.

[0005] Preferably: A USB port is provided on the front end face of the tester body, and a battery compartment is arranged on the back of the tester body.

[0006] Preferably: Side frames are symmetrically arranged on the left and right at the bottom of the tester body. The side frames are connected by a snap connection. A temperature sensor is embedded in the upper end face of the side frames, an alarm is installed at the bottom of the side frames, side sleeves are symmetrically installed on the left and right side walls of the tester body, a connecting column is installed on the outer side wall of the side sleeve by screwing, the connecting column passes through the side frame and is rotationally connected to it by a thread, and a control panel is installed at the bottom of the side frame. The temperature sensor and the alarm are electrically connected to the control panel.

[0007] Preferably: A connecting plate is installed on the upper end face of the side frame. A pin shaft one is rotatably installed on the upper end face of the connecting plate through a pin shaft. A cover plate is installed on the outer side wall of the pin shaft one. A sponge pad one is installed at the bottom of the cover plate. A sponge pad two is arranged to the right of the sponge pad one, a sponge pad three is arranged behind the sponge pad two, and the inner end of the sponge pad three wraps the LED indicator light.

[0008] Preferably: A connecting belt is installed at the bottom of the tester body. The other end of the connecting belt is installed with a plug, and the plug is installed inside the USB port by insertion.

[0009] Preferably: A bottom sleeve is installed at the bottom of the tester body. A screw rod is rotationally installed inside the bottom sleeve by a thread. A lower plate is installed at the bottom of the screw rod. A lower sponge is installed at the bottom of the lower plate. Cotton pad sleeves are symmetrically installed on the upper end face of the lower plate on the left and right.

[0010] The technical effects and advantages of the present invention:

[0011] 1. In the present invention, the device significantly improves the relay fault diagnosis efficiency through standardized interfaces and automated test logics, and is especially suitable for maintenance scenarios that require quick response or large-scale detection requirements, with industrial-grade reliability and practicality.

[0012] 2. In the present invention, a temperature sensor and an alarm structure are adopted, so as to be able to perform temperature test processing on the battery compartment. When the temperature is abnormal, the power supply to the battery is stopped in time to avoid the battery inside the battery compartment from being burned out, ensuring the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the structure of an automotive relay tester provided by the present invention;

[0014] Figure 2 is the first sectional front view of an automotive relay tester provided by the present invention;

[0015] Figure 3 is the second sectional front view of an automotive relay tester provided by the present invention;

[0016] Figure 4 is the sectional bottom view of an automotive relay tester provided by the present invention;

[0017] Figure 5 is the partial top view of an automotive relay tester provided by the present invention;

[0018] In the figure: 1, tester body; 2, pin; 3, toggle switch; 4, test key; 5, power switch; 6, LED indicator; 7, USB port; 8, battery compartment; 11, side frame; 12, temperature sensor; 13, alarm; 14, side sleeve; 15, connecting column; 16, control panel; 17, pin shaft one; 18, cover plate; 19, sponge pad one; 21, sponge pad two; 22, sponge pad three; 23, plug; 24, screw; 25, lower plate; 26, lower sponge; 27, cotton pad sleeve. Detailed implementation manners

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners. The invention of the present invention is given for purposes of illustration and description, and is not intended to be exhaustive or to limit the invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The selection and description of the invention are intended to better illustrate the principles and practical applications of the present invention, and enable those of ordinary skill in the art to understand the present invention and thus design various inventions suitable for specific purposes with various modifications.

[0020] Please refer to Figures 1 to 5, in the present invention, an automotive relay tester is provided, which includes a tester body 1 and pins 2. Multiple groups of pins 2 are arranged on the upper end face of the tester body 1. A toggle switch 3 is arranged to the right of the pins 2, a test button 4 is arranged in front of the toggle switch 3, and a power button 5 is arranged in front of the test button 4. An LED indicator 6 is installed on the upper end face of the tester body 1. During operation, the tester body 1 is equipped with a test chip IC and is activated through the power switch on the shell to automatically complete the relay function verification. Press the power button 5 to start or stop the device. Insert the relay to be tested into the area of the pins 2, then use the toggle switch 3 to select the relay for the corresponding pin position, and press the test button 4 to start the test. During the test, the LED indicator 6 lights up. Green indicates a successful test, and red indicates a failed test. The pins 2 support five types, covering mainstream configurations such as ISO 30 / 85 / 86 / 87 / 87A, and the arrangement of the pins 2 is automatically recognized by the control module, which is compatible with more than 20 relay models.

[0021] A USB port 7 is provided on the front end face of the tester body 1, and a battery compartment 8 is arranged on the back of the tester body 1. During operation, dual power supply processing is carried out through the USB port 7 and the battery compartment 8 to ensure the normal operation of the device.

[0022] Side frames 11 are symmetrically arranged on the left and right at the bottom of the tester body 1. The side frames 11 are connected to each other by a clamping method. A temperature sensor 12 is embedded in the upper end face of the side frames 11, and an alarm 13 is installed at the bottom of the side frames 11. Side sleeves 14 are symmetrically installed on the left and right side walls of the tester body 1. A connecting column 15 is installed on the outer side wall of the side sleeves 14 by screwing. The connecting column 15 passes through the side frames 11 and is rotationally connected to them by threads. A control panel 16 is installed at the bottom of the side frames 11. The temperature sensor 12 and the alarm 13 are both electrically connected to the control panel 16. During operation, a PLC program is written in the control panel 16 to control the operation of each device. The temperature sensor 12 can sense the temperature of the battery compartment 8 and transmit a signal to the control panel 16 when the temperature is abnormal. The control panel 16 causes the alarm 13 to sound an alarm and stops the battery from supplying power in a timely manner to avoid burning of the battery inside the battery compartment 8 and ensure the safety of the device. Rotate the connecting column 15 to remove it, and then the side frames 11 can be disassembled.

[0023] A connecting plate is installed on the upper end surface of the side frame 11. The upper end surface of the connecting plate is rotatably installed with a first pin shaft 17 through a pin shaft. A cover plate 18 is installed on the outer side wall of the first pin shaft 17. A first sponge pad 19 is installed at the bottom of the cover plate 18. A second sponge pad 21 is arranged to the right of the first sponge pad 19. A third sponge pad 22 is arranged behind the second sponge pad 21. The inner end of the third sponge pad 22 wraps an LED indicator light 6. During operation, the cover plate 18 protects the upper end of the tester body 1 from being knocked. The first sponge pad 19 protects the pins 2 from dust. The second sponge pad 21 protects the surfaces of the fluctuation switch 3, the test key 4 and the power switch 5 from dust. The third sponge pad 22 protects the surface of the LED indicator light 6 from dust.

[0024] A connecting belt is installed at the bottom of the tester body 1. The other end of the connecting belt is installed with a plug 23. The plug 23 is installed at the inner end of the USB port 7 in a plug-in manner. During operation, the plug 23 protects the USB interface from dust.

[0025] A bottom sleeve is installed at the bottom of the tester body 1. A screw rod 24 is rotatably installed at the inner end of the bottom sleeve through a thread. A lower plate 25 is installed at the bottom of the screw rod 24. A lower sponge 26 is installed at the bottom of the lower plate 25. Cotton pad sleeves 27 are symmetrically installed on the upper end surface of the lower plate 25 on the left and right. During operation, the lower plate 25 supports and protects the bottom of the tester body 1. The lower sponge 26 improves the shockproof performance when the tester body 1 accidentally falls to the ground. The cotton pad sleeves 27 improve the comfort of holding the tester body 1 and prevent the fingers from being damaged by friction with the surface of the lower plate 25.

[0026] During specific operation, the tester body 1 places a test chip IC, which is activated through the power switch on the shell, and automatically completes the relay function verification. Press the power switch 5 to start or stop the device. Insert the relay to be tested into the area of the pins 2. Then, use the fluctuation switch 3 to select the relay of the corresponding pin position, and press the test key 4 to start the test. During the test, the LED indicator light 6 lights up. Green indicates a successful test, and red indicates a failed test. The pins 2 support five types: covering mainstream configurations such as ISO 30 / 85 / 86 / 87 / 87A, etc. The arrangement of the pins 2 is automatically recognized by the control module, and it is compatible with more than 20 relay models.

[0027] Obviously, the described invention is only a part of the present invention, not all of it. All other inventions obtained by those of ordinary skill in the art in this field and related fields based on the inventions in the present invention without creative efforts should fall within the protection scope of the present invention. The structures, devices and operation methods not specifically described and explained in the present invention, unless otherwise specified and limited, are implemented according to the conventional means in this field.

Claims

1. An automotive relay tester, comprising a tester body (1) and pins (2), characterized in that, On the upper end face of the tester body (1), there are multiple groups of pins (2) arranged. To the right of the pins (2), there is a toggle switch (3) arranged. In front of the toggle switch (3), there is a test key (4) arranged. In front of the test key (4), there is a power switch (5) arranged. An LED indicator light (6) is installed on the upper end face of the tester body (1).

2. The automotive relay tester according to claim 1, wherein , On the front end face of the tester body (1), there is a USB port (7) opened. A battery compartment (8) is provided on the back of the tester body (1).

3. The automotive relay tester according to claim 1, wherein, On the bottom of the tester body (1), side frames (11) are symmetrically arranged on the left and right. The side frames (11) are connected to each other by a clamping method. A temperature sensor (12) is embedded in the upper end face of the side frames (11). An alarm (13) is installed at the bottom of the side frames (11). Side sleeves (14) are symmetrically installed on the left and right side walls of the tester body (1). A connecting column (15) is installed on the outer side wall of the side sleeves (14) by screwing. The connecting column (15) passes through the side frames (11) and is rotationally connected to them by threads.

4. The automotive relay tester according to claim 2, wherein A control panel (16) is installed at the bottom of the side frames (11). The temperature sensor (12) and the alarm (13) are both electrically connected to the control panel (16).

5. The automotive relay tester according to claim 2, characterized in that, On the upper end face of the side frames (11), a connecting plate is installed. On the upper end face of the connecting plate, a pin shaft one (17) is rotationally installed by a pin shaft. A cover plate (18) is installed on the outer side wall of the pin shaft one (17). A sponge pad one (19) is installed at the bottom of the cover plate (18). To the right of the sponge pad one (19), there is a sponge pad two (21) arranged. Behind the sponge pad two (21), there is a sponge pad three (22) arranged. The inner end of the sponge pad three (22) wraps the LED indicator light (6).

6. The automotive relay tester according to claim 1, wherein, A connecting belt is installed at the bottom of the tester body (1). The other end of the connecting belt is installed with a plug head (23). The plug head (23) is installed at the inner end of the USB port (7) by plugging.

7. The automotive relay tester according to claim 1, characterized in that The bottom of the tester body (1) is installed with a bottom sleeve. The inner end of the bottom sleeve is rotationally installed with a screw rod (24) by threads. The bottom of the screw rod (24) is installed with a lower plate (25). The bottom of the lower plate (25) is installed with a lower sponge (26). Cotton pad sleeves (27) are symmetrically installed on the upper end face of the lower plate (25).

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