Light bar testing device

Abstract

The utility model discloses a light bar testing device, which aims to be compatible with testing of light bars of different specifications, and adopts the technical scheme that the light bar testing device comprises a body and a power supply, n jacks are sequentially arranged on the body, n is an even number, a first terminal is arranged in the jack at one end, a second terminal is arranged in the jack at the other end, and the first terminal and the second terminal are connected with the power supply. Third terminals are arranged in the other jacks, the first terminal is electrically connected with the positive electrode of the power supply, and the second terminal is electrically connected with the negative electrode of the power supply; the third terminals are uniformly divided into two groups from the middle, the group of third terminals close to the first terminal is electrically connected with the second terminal, and the group of third terminals close to the second terminal is electrically connected with the first terminal.

Description

Technical Field

[0001] The utility model belongs to the technical field of television production, and more specifically relates to a light bar testing device. Background Art

[0002] In a TV, the light bar is an important component that provides backlight for the LCD panel. In order to ensure the quality of the TV, the light bar needs to be tested after installation.

[0003] Testing a light strip generally means powering the light strip on to check whether it can emit light normally.

[0004] However, the plugs of light strips have different models, including 2P, 3P, 5P, 8P and other specifications. When testing, you need to insert the plug into the appropriate socket and connect the two power pins in the plug to the positive and negative poles respectively, so that the light strip can be powered on. Due to the large number of specifications of light strip plugs, it is necessary to prepare multiple sockets during testing and change them frequently.

[0005] Therefore, a device that is compatible with testing light strips of different specifications is needed. Utility Model Content

[0006] The main purpose of the utility model is to provide a light bar testing device, which is intended to be compatible with the testing of light bars of different specifications.

[0007] According to a first aspect of the utility model, a light bar testing device is provided, comprising a body and a power supply, wherein n jacks are arranged in sequence on the body, where n is an even number, wherein a first terminal is provided in the jack at one end, a second terminal is provided in the jack at the other end, and a third terminal is provided in the remaining jacks, wherein the first terminal is electrically connected to the positive pole of the power supply, and the second terminal is electrically connected to the negative pole of the power supply;

[0008] The third terminals are equally divided into two groups from the middle, the third terminals in the group close to the first terminal are electrically connected to the second terminal, and the third terminals in the group close to the second terminal are electrically connected to the first terminal.

[0009] In the above-mentioned light bar testing device, the n is greater than or equal to 8.

[0010] In the above-mentioned light bar testing device, n is equal to 8.

[0011] In the above-mentioned light bar testing device, along the arrangement direction of the jacks, the first terminal, the third terminal and the second terminal are divided into 1 pin, 2 pins, 3 pins, 4 pins, 5 pins, 6 pins, 7 pins and 8 pins in sequence;

[0012] The pins 1, 5, 6 and 7 are connected in series, and the pins 2, 3, 4 and 8 are connected in series.

[0013] In the above-mentioned light bar testing device, the side of the body used for docking with the plug is the top, and the side of the body opposite to the top is the bottom, and the bottom is provided with a magnetic attraction portion.

[0014] In the above-mentioned light bar testing device, the magnetic attraction portion includes a slot arranged on the body, one end of the slot along the arrangement direction of the jacks is an open end, and a magnet is detachably mounted in the slot.

[0015] One of the above technical solutions of the utility model has at least one of the following advantages or beneficial effects:

[0016] In the utility model, a plurality of jacks are arranged on the main body. Taking 8 jacks as an example, along the arrangement direction of the jacks, the first terminal, the third terminal and the second terminal are respectively divided into 1 pin, 2 pins, 3 pins, 4 pins, 5 pins, 6 pins, 7 pins and 8 pins. 1 pin, 5 pins, 6 pins and 7 pins are connected in series, and 2 pins, 3 pins, 4 pins and 8 pins are connected in series. When the plug of the light bar is 2P, the plug can be inserted into the jack where pins 1 and 2 are located, and pins 1 and 2 are just positive and negative poles to each other. When the plug of the light bar is 3P, the plug can be inserted into the jack where pins 1, 2 and 3 are located, and pins 1 and 3 are just positive and negative poles to each other. By analogy, the test of light bar of different specifications can be compatible, and there is no need to prepare sockets of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 It is a front view of the first embodiment of the utility model;

[0019] Figure 2 It is a rear view of the first embodiment of the utility model;

[0020] Figure 3 It is a connection diagram of the first terminal, the second terminal and the third terminal of the first embodiment of the utility model. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0022] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0023] Reference Figures 1 to 3 As shown, in one embodiment of the utility model, a light bar testing device includes a body 1 and a power supply (not shown in the figure), and n jacks 11 are arranged in sequence on the body 1, where n is an even number, and a first terminal 2 is provided in the jack 11 at one end, a second terminal 3 is provided in the jack 11 at the other end, and a third terminal 4 is provided in the remaining jacks 11, the first terminal 2 is electrically connected to the positive pole of the power supply, and the second terminal 3 is electrically connected to the negative pole of the power supply;

[0024] The third terminals 4 are equally divided into two groups from the middle, the third terminals 4 of the group close to the first terminal 2 are electrically connected to the second terminal 3, and the third terminals 4 of the group close to the second terminal 3 are electrically connected to the first terminal 2;

[0025] Specifically, n is equal to 8, and along the arrangement direction of the jack 11, the first terminal 2, the third terminal 4 and the second terminal 3 are divided into 1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin, 7 pin and 8 pin in sequence;

[0026] Pin 1, 5, 6 and 7 are connected in series, all are positive poles; Pin 2, 3, 4 and 8 are connected in series, all are negative poles;

[0027] In 3P, 5P, and 8P plugs, the two pins for power connection are located at both ends, and the pin in the middle is empty;

[0028] The two pins of the combination of pins 1 and 2, pins 7 and 8, and pins 4 and 5 are positive and negative to each other, and the corresponding jacks 11 can be inserted with 2P plugs to test the light strips with 2P plugs;

[0029] The two pins of the combinations of 1-pin and 3-pin, 3-pin and 5-pin, 4-pin and 6-pin, 6-pin and 8-pin are positive and negative to each other, so the corresponding jacks 11 of 1-pin to 3-pin, 3-pin to 5-pin, 4-pin to 6-pin, 6-pin to 8-pin can be inserted with 3P plugs to test the light strips with 3P plugs;

[0030] The two pins of the combination of pin 2 and pin 6, pin 3 and pin 7 are positive and negative to each other, so the jack 11 corresponding to pin 2 to pin 6, pin 3 to pin 7 can be inserted with a 5P plug to test the light strip with a 5P plug;

[0031] Pin 1 and pin 8 are positive and negative poles to each other. The corresponding jack 11 of pin 1 and pin 8 can be inserted into an 8P plug to test the light strip with an 8P plug.

[0032] In this way, the testing of light strips of different specifications can be compatible without preparing sockets of various specifications.

[0033] In some other embodiments, n is greater than 8 and is compatible with plugs above 8P.

[0034] In this embodiment, the side of the main body 1 used for docking with the plug is the top, and the plug is inserted into the socket 11 at the top. The side of the main body 1 opposite to the top is the bottom, and a magnetic portion 12 is provided at the bottom. The magnetic portion 12 can be used to install the main body 1 on a screen inspection tool, and the light bar can be tested on the screen inspection tool.

[0035] In this embodiment, the magnetic attraction portion 12 includes a slot 121 arranged on the main body 1, and one end of the slot 121 along the arrangement direction of the sockets 11 is an open end. A magnet 122 is detachably installed in the slot 121; the slot 121 and the magnet 122 are adapted, and the magnet 122 can be removed through the open end.

[0036] In this embodiment, a screw locking hole 13 may be provided on the main body 1 , and when the magnet 122 cannot be used for adsorption, the screw locking hole 13 may be used for screw fixing.

[0037] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A light bar testing device, characterized in that: It comprises a body and a power supply, wherein n jacks are arranged in sequence on the body, where n is an even number, wherein the jack at one end is provided with a first terminal, the jack at the other end is provided with a second terminal, and the remaining jacks are provided with a third terminal, wherein the first terminal is electrically connected to the positive pole of the power supply, and the second terminal is electrically connected to the negative pole of the power supply; The third terminals are equally divided into two groups from the middle, the third terminals in the group close to the first terminal are electrically connected to the second terminal, and the third terminals in the group close to the second terminal are electrically connected to the first terminal.

2. The light bar testing device according to claim 1, characterized in that: The n is greater than or equal to 8.

3. The light bar testing device according to claim 2, characterized in that: Said n is equal to 8.

4. The light bar testing device according to claim 3, characterized in that: Along the arrangement direction of the jacks, the first terminal, the third terminal and the second terminal are divided into 1 pin, 2 pins, 3 pins, 4 pins, 5 pins, 6 pins, 7 pins and 8 pins in sequence; The pins 1, 5, 6 and 7 are connected in series, and the pins 2, 3, 4 and 8 are connected in series.

5. The light bar testing device according to claim 1, characterized in that: The side of the body used for docking with the plug is the top, and the side of the body opposite to the top is the bottom, and the bottom is provided with a magnetic attraction part.

6. The light bar testing device according to claim 5, characterized in that: The magnetic attraction portion comprises a slot arranged on the body, one end of the slot along the arrangement direction of the jacks is an open end, and a magnet is detachably mounted in the slot.

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