Current testing device

Abstract

The utility model discloses a current testing device, which is used for current testing of a circuit board and comprises a box body module, a power supply module and a detection module, the power supply module and the detection module are both installed on the box body module, and the box body module comprises a main body, a test board and a circuit board placing unit. The test board is fixedly mounted at the top of the main body, and the main body is provided with a start button and a plurality of display lamps; and the circuit board placing unit is mounted on one side, far away from the main body, of the test board. According to the current testing device disclosed by the utility model, the box body module, the power supply module and the detection module are linked, so that automatic current detection is performed on the circuit board, and the current testing device has the advantages of stable structure, high efficiency, high practicability and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board current testing, and in particular relates to a current testing device. Background Art

[0002] Before each circuit board leaves the factory, it is necessary to perform a current test on it to determine whether its working current is normal. Many existing current tests on circuit boards are still manually measured by measuring instruments, which has the disadvantages of being time-consuming, labor-intensive and inefficient.

[0003] Therefore, further improvements are made to the above problems. Utility Model Content

[0004] The main purpose of the utility model is to provide a current testing device, which is linked by a box module, a power supply module and a detection module to automatically detect the current of a circuit board. The utility model has the advantages of stable structure, high efficiency and high practicality.

[0005] To achieve the above purpose, the utility model provides a current testing device for current testing of a circuit board, comprising a box module, a power supply module and a detection module, wherein the power supply module and the detection module are both installed in the box module, wherein:

[0006] The box module includes a main body, a test bench and a circuit board placement unit, wherein the test bench is fixedly installed on the top of the main body, and the main body is provided with a start button and a plurality of display lights; the circuit board placement unit is installed on a side of the test bench away from the main body, and the circuit board placement unit includes a placement plate and a plurality of limit blocks fixedly installed on the edges of the placement plate;

[0007] The power supply module comprises a first cylinder mounting seat, a first cylinder and a power supply end, wherein the first cylinder mounting seat is fixedly mounted on the test bench and the first cylinder is mounted on the first cylinder mounting seat, and the power supply end is fixedly mounted on the driving end of the first cylinder and the power supply end faces the placement plate;

[0008] The detection module includes a first vertical frame, a second vertical frame, a horizontal frame, a second cylinder, a first guide rod, a second guide rod, a driving plate, a probe mounting seat and a detection probe, the first vertical frame and the second vertical frame are both fixedly installed on the test bench and the horizontal frame is fixedly installed between the first vertical frame and the second vertical frame, the second cylinder is fixedly installed on the horizontal frame, the first guide rod and the second guide rod are both fixedly installed between the horizontal frame and the test bench, the driving plate is connected to the driving end of the second cylinder and the first guide rod and the second guide rod respectively pass through the driving plate, the probe mounting seat is fixedly installed on the driving plate and the detection probe is installed on the probe mounting seat.

[0009] As a further preferred technical solution of the above technical solution, a first guide sleeve is provided between the drive plate and the first guide rod, and a second guide sleeve is provided between the drive plate and the second guide rod (so that the drive plate can be stably lifted and lowered on the first / second guide rod).

[0010] As a further preferred technical solution of the above technical solution, the driving plate is provided with a plurality of fixing rods (used to fix the circuit board placed on the placement plate after the driving plate is lowered, so as to ensure the stable connection between the power supply end and the detection probe).

[0011] As a further preferred technical solution of the above technical solution, the test bench is installed with a limit sensor, and the limit sensor is located below the drive plate (to prevent the drive plate from moving downward excessively. Once the drive plate touches the limit sensor, an alarm signal is output to stop the second cylinder from descending, thereby protecting the detection probe and other structures).

[0012] As a further preferred technical solution of the above technical solution, a plurality of foot pads are provided at the bottom of the main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a structural schematic diagram of a current testing device.

[0014] Figure 2 The utility model is a structural schematic diagram of a current testing device.

[0015] The reference numerals include: 100, box module; 110, main body; 111, start button; 112, display light; 120, test bench; 121, limit sensor; 130, circuit board placement unit; 131, placement plate; 132, limit block; 200, power supply module; 210, first cylinder mounting seat; 220, first cylinder; 230, power supply end; 300, detection module; 310, first vertical frame; 320, second vertical frame; 330, horizontal frame; 340, second cylinder; 350, first guide rod; 351, first guide sleeve; 360, second guide rod; 361, second guide sleeve; 370, drive plate; 371, fixing rod; 380, probe mounting seat; 390, detection probe. DETAILED DESCRIPTION

[0016] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0017] The utility model discloses a current testing device. The specific embodiments of the utility model are further described below in conjunction with the preferred embodiments.

[0018] In the embodiments of the present invention, those skilled in the art will note that the circuit board and the like involved in the present invention may be regarded as prior art.

[0019] Preferred embodiments.

[0020] like Figure 1-2 As shown, the utility model discloses a current testing device for current testing of a circuit board, comprising a box module 100, a power supply module 200 and a detection module 300, wherein the power supply module 200 and the detection module 300 are both installed in the box module 100, wherein:

[0021] The box module 100 includes a main body 110, a test bench 120 and a circuit board placement unit 130. The test bench 120 is fixedly installed on the top of the main body 110. The main body 110 is provided with a start button 111 and a plurality of display lights 112. The circuit board placement unit 130 is installed on a side of the test bench 120 away from the main body 110. The circuit board placement unit 130 includes a placement plate 131 and a plurality of limit blocks 132 fixedly installed on the edges of the placement plate 131.

[0022] The power supply module 200 includes a first cylinder mounting seat 210, a first cylinder 220 and a power supply end 230, wherein the first cylinder mounting seat 210 is fixedly mounted on the test bench 120 and the first cylinder 220 is mounted on the first cylinder mounting seat 210, and the power supply end 230 is fixedly mounted on the driving end of the first cylinder 220 and the power supply end 230 faces the placement plate 131;

[0023] The detection module 300 includes a first vertical frame 310, a second vertical frame 320, a horizontal frame 330, a second cylinder 340, a first guide rod 350, a second guide rod 360, a driving plate 370, a probe mounting seat 380 and a detection probe 390, the first vertical frame 310 and the second vertical frame 320 are both fixedly installed on the test bench 120 and the horizontal frame 330 is fixedly installed between the first vertical frame 310 and the second vertical frame 320, the second cylinder 340 is fixedly installed on the horizontal frame 330, the first guide rod 350 and the second guide rod 360 are both fixedly installed between the horizontal frame 330 and the test bench 120, the driving plate 370 is connected to the driving end of the second cylinder 340 and the first guide rod 350 and the second guide rod 360 respectively pass through the driving plate 370, the probe mounting seat 380 is fixedly installed on the driving plate 370 and the detection probe 390 is installed on the probe mounting seat 380.

[0024] Specifically, a first guide sleeve 351 is provided between the driving plate 370 and the first guide rod 350 , and a second guide sleeve 361 is provided between the driving plate 370 and the second guide rod 360 (so that the driving plate can be stably lifted and lowered on the first / second guide rod).

[0025] More specifically, the driving board 370 is provided with a plurality of fixing rods 371 (used to fix the circuit board placed on the placement board after the driving board is lowered, so as to ensure the stable connection between the power supply end and the detection probe).

[0026] Furthermore, the test bench 120 is installed with a limit sensor 121, and the limit sensor 121 is located below the drive plate 370 (to prevent the drive plate from moving downward excessively. Once the drive plate touches the limit sensor, an alarm signal is output to stop the second cylinder from descending, thereby protecting the detection probe and other structures).

[0027] Furthermore, a plurality of foot pads (not shown) are disposed at the bottom of the main body 110 .

[0028] For this utility model:

[0029] Place the circuit board on the placement plate and limit it with a limit block, then start the first cylinder to drive the power supply end to move, so as to be plugged into the power supply end of the circuit board to power the circuit board. After the circuit board is working, start the second cylinder to drive the drive board to move steadily downward on the first / second guide rod, and drive the detection probe to be plugged into the detection port of the circuit board, and transmit the detection data to the host computer for analysis to determine whether the working current is qualified.

[0030] It is worth mentioning that the technical features such as circuit boards involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field and should not be regarded as the invention point of this utility model patent. This utility model patent will not be further elaborated.

[0031] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A current testing device for current testing of a circuit board, characterized in that: It includes a box module, a power supply module and a detection module, wherein the power supply module and the detection module are both installed in the box module, wherein: The box module includes a main body, a test bench and a circuit board placement unit, wherein the test bench is fixedly installed on the top of the main body, and the main body is provided with a start button and a plurality of display lights; the circuit board placement unit is installed on a side of the test bench away from the main body, and the circuit board placement unit includes a placement plate and a plurality of limit blocks fixedly installed on the edges of the placement plate; The power supply module comprises a first cylinder mounting seat, a first cylinder and a power supply end, wherein the first cylinder mounting seat is fixedly mounted on the test bench and the first cylinder is mounted on the first cylinder mounting seat, and the power supply end is fixedly mounted on the driving end of the first cylinder and the power supply end faces the placement plate; The detection module includes a first vertical frame, a second vertical frame, a horizontal frame, a second cylinder, a first guide rod, a second guide rod, a driving plate, a probe mounting seat and a detection probe, the first vertical frame and the second vertical frame are both fixedly installed on the test bench and the horizontal frame is fixedly installed between the first vertical frame and the second vertical frame, the second cylinder is fixedly installed on the horizontal frame, the first guide rod and the second guide rod are both fixedly installed between the horizontal frame and the test bench, the driving plate is connected to the driving end of the second cylinder and the first guide rod and the second guide rod respectively pass through the driving plate, the probe mounting seat is fixedly installed on the driving plate and the detection probe is installed on the probe mounting seat.

2. A current testing device according to claim 1, characterized in that: A first guide sleeve is provided between the driving plate and the first guide rod, and a second guide sleeve is provided between the driving plate and the second guide rod.

3. A current testing device according to claim 2, characterized in that: The driving plate is provided with a plurality of fixing rods.

4. A current testing device according to claim 3, characterized in that: The test bench is equipped with a limit sensor, and the limit sensor is located below the driving plate.

5. A current testing device according to claim 4, characterized in that: A plurality of foot pads are arranged at the bottom of the main body.

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