Brick type power supply module electrical performance test tool

Abstract

The utility model discloses a brick-type power supply module test tool, which comprises a test circuit board, and a banana socket terminal unit, a toggle switch unit and a brick-type power supply module test needle sleeve unit which are arranged on the test circuit board, wherein the banana socket terminal unit is used for connecting a brick-shaped power supply module to be tested and external testing equipment; the toggle switch unit is used for performing switch switching control and enabling end control on an input power supply of the tested brick type power supply module; the brick-type power supply module test needle sleeve unit realizes plugging connection between the tested brick-type power supply module and the test tool. The brick-type power supply module electrical performance testing tool is convenient to operate, capable of bearing a large current to pass through, soft in plugging and unplugging, durable, small in loss, easy to control, capable of achieving electrical performance testing of various brick-type power supply modules, wide in application range, capable of greatly improving the testing efficiency of the brick-type power supply modules and capable of reducing repeated design of the tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to a brick type power module test technical field, specifically, relate to a kind of brick type brick type power module electrical performance test tooling. BACKGROUND

[0002] In the brick type power module test process, it is usually to adopt double-end test hook to realize the connection of measured brick type power module and external test equipment, this mode is simple and easy to realize, but there are some problems, for example, it is not easy to cause test hook and measured brick type power module contact to strike, test work efficiency is low, not suitable for mass production operation, operator is prone to misoperation, so that double-end test hook hook error measured brick type power module pin, etc., cause measured brick type power module damage. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of brick type power module test tooling to solve at least one problem existing in prior art.

[0004] To achieve the above-mentioned purpose, the utility model takes the technical scheme including:

[0005] A kind of brick type power module test tooling, including test circuit board, and banana socket terminal unit, button switch unit and brick type power module test needle cover unit installed on the test circuit board;Wherein, the banana socket terminal unit is used to connect measured brick type power module and external test equipment;The button switch unit is used to realize the voltage switch switching control and enable end control of measured brick type power module;The brick type power module test needle cover unit realizes the plug connection of measured brick type power module and test tooling.

[0006] Further, one support screw rod is arranged on the four corners of the test circuit board respectively.

[0007] Further, the external test equipment includes direct-current test power supply for providing working voltage for measured brick type power module, direct-current electronic load for providing load power for measured brick type power module, multimeter for monitoring brick type power module output voltage.

[0008] Further, the test circuit board adopts epoxy printed circuit board.

[0009] Further, the banana socket terminal unit is connected by banana socket terminal J1, J2, J3, J4.

[0010] Further, the button switch unit is connected by power switch K1, enable switch K2 through silicone rubber flexible wire and PCB fiber plate.

[0011] Further, the brick type power module test needle sleeve unit is composed of the brick type power module test needle sleeves P1, P2, P3, P4, P5, P6, P7, P8, P2-1, P2-2, P2-3, P2-4, P2-5, P2-6, P2-7, P2-8, P3-1, P3-2, P3-3, P3-4, P3-5, P3-6, P3-7, P3-8 and the epoxy printed circuit board plug-in welding.

[0012] Further, the banana socket terminal J1 is connected with the 1st pin of the power switch K1; the banana socket terminal J2 is connected with the 1st pin of the enable switch K2, and the connecting point is also connected with the brick type power module test needle sleeves P3, P2-3 and P3-3; the 2nd pin of the power switch K1 is connected with P1, P2-1 and P3-1 through the epoxy printed circuit board; the 2nd pin of the enable switch K2 is connected with P2, P2-2 and P3-2 through the epoxy printed circuit board; the banana socket terminal J3 is connected with P8, and the connecting point is also connected with P2-8, P3-8, P7, P2-7 and P3-7; the banana socket terminal J4 is connected with P4, and the connecting point is also connected with P2-4, P3-4, P5, P2-5 and P3-5; P6, P2-6 and P3-6 are suspended.

[0013] Compared with the prior art, the brick type power module test tool has the following advantages:

[0014] The brick type power module test tool is formed by connecting the banana socket terminal, the button switch and the brick type power module test needle sleeve through the epoxy printed circuit board. The banana socket is connected with the external device, the button switch controls the voltage switch switching of the measured brick type power module and the enable end, the brick type power module test needle sleeve realizes the convenient plugging of the measured brick type power module and the test tool, the test needle sleeve can bear large current, is soft and durable, has small loss and is easy to control, can realize the electrical performance test of various types of brick type power modules, simplifies the test steps of the brick type power module, improves the production test efficiency of the brick type power module, has low cost, and reduces the repeated design of the tool. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The brick type power module test tool is formed by connecting the banana socket terminal, the button switch and the brick type power module test needle sleeve through the epoxy printed circuit board. The banana socket is connected with the external device, the button switch controls the voltage switch switching of the measured brick type power module and the enable end, the brick type power module test needle sleeve realizes the convenient plugging of the measured brick type power module and the test tool, the test needle sleeve can bear large current, is soft and durable, has small loss and is easy to control, can realize the electrical performance test of various types of brick type power modules, simplifies the test steps of the brick type power module, improves the production test efficiency of the brick type power module, has low cost, and reduces the repeated design of the tool.

[0016] In the drawing, the meanings of the various reference numerals are as follows:

[0017] 1-banana socket terminal unit; 2-button switch unit; 3-brick type power module test needle sleeve unit. DETAILED DESCRIPTION

[0018] like Figure 1 As shown, the brick-shaped power module testing fixture provided by this utility model includes a test circuit board, and a banana-shaped socket terminal unit, a toggle switch unit, and a brick-shaped power module test pin sleeve unit mounted on the test circuit board. The banana-shaped socket terminal unit is used to connect the brick-shaped power module under test to an external testing device; the toggle switch unit is used to control the voltage switching and enable terminal of the brick-shaped power module under test; and the brick-shaped power module test pin sleeve unit enables the plug-in connection between the brick-shaped power module under test and the testing fixture.

[0019] Preferably, a support screw is provided at each of the four corners of the test circuit board to support the entire test circuit board.

[0020] External testing equipment includes a DC test power supply (providing operating voltage to the brick-type power module under test) and a DC electronic load (providing load power to the brick-type power module under test).

[0021] Example 1:

[0022] In this embodiment: the test circuit board is an epoxy printed circuit board with dimensions of 130mm×180mm×1.8mm.

[0023] The banana socket terminal unit 1 is composed of 4mm banana socket terminals J1, J2, J3, and J4 connected together. The model is JS-910B, with two red and two black terminals.

[0024] The toggle switch unit 2 consists of a power switch K1 and an enable switch K2 connected to the PCB fiberboard via silicone rubber wires. The power switch K1 and enable switch K2 are model MTS-203 / 6-pin, 2-position / red.

[0025] The brick-shaped power module test pin sleeve unit 3 consists of 24 test pin sleeves, namely P1, P2, P3, P4, P5, P6, P7, P8, P2-1, P2-2, P2-3, P2-4, P2-5, P2-6, P2-7, P2-8, P3-1, P3-2, P3-3, P3-4, P3-5, P3-6, P3-7, and P3-8, which are soldered to an epoxy printed circuit board.

[0026] In the above device, J1 is connected to the 1 pin of power switch K1; J2 is connected to the 1 pin of enable switch K2, and the connection point is also connected to P3, P2-3, P3-3; the 2 pin of K1 power switch is connected to P1, P2-1, P3-1 through the epoxy printed circuit board; the 2 pin of K2 enable switch is connected to P2, P2-2, P3-2 through the epoxy printed circuit board; J3 is connected to P8, and the connection point is also connected to P2-8, P3-8, P7, P2-7, P3-7; J4 is connected to P4, and the connection point is also connected to P2-4, P3-4, P5, P2-5, P3-5; P6, P2-6, P3-6 are left hanging.

[0027] The brick-shaped power module test needle sleeve adopts the product of Shenzhen Mingshuoda Technology Co., Ltd., wherein P1, P2, P3, P5, P6, P7, P2-1, P2-2, P2-3, P2-5, P2-6, P2-7, P3-1, P3-2, P3-3, P3-5, P3-6, P3-7 adopt a test needle sleeve with a model specification of 1.0*9.2-2.7, P4, P8, P2-4, P2-8, P3-4, P3-8 adopt a test needle sleeve with a model specification of 1.5*9.2-2.65.

[0028] The supporting screw adopts M3*30+8 male and female studs.

[0029] The connecting wire adopts UL3135 super-soft, 18#, (210*0.07mm) red silicone rubber soft wire.

[0030] The components in the embodiment have the following functions:

[0031] Banana socket terminals J1 and J2 are used to realize the connection of an external DC power supply device and the measured brick-shaped power module (J1 is connected to the "+" of the power supply device, and J2 is connected to the "-" of the power supply device), thereby providing working voltage for the measured brick-shaped power module (the specification requirement of the DC power supply device is that the output voltage range is 0V-100V adjustable, and the current is 0A-20A adjustable);

[0032] Banana socket terminals J3 and J4 are used to realize the connection of an external DC electronic load device and the measured brick-shaped power module (J3 is connected to the "+" of the DC electronic load device, and J4 is connected to the "-" of the DC electronic load device), thereby providing load power for the measured brick-shaped power module (the specification requirement of the DC electronic load device is that the output voltage range is 0V-60V adjustable, the current is 0A-30A, and the power is 2000W);

[0033] Button switch K1 is used for the on-off control of the input voltage of the measured brick-shaped power module, and enable switch K2 is used for the on-off control of the enable end of the measured brick-shaped power module;

[0034] The brick type power module test needle sleeve P1, P2, P3, P4, P5, P6, P7, P8 can be used for testing the brick type module with a pin pitch of 13.64mm, P2-1, P2-2, P2-3, P2-4, P2-5, P2-6, P2-7, P2-8 can be used for testing the brick type module with a pin pitch of 27.9mm, and P3-1, P3-2, P3-3, P3-4, P3-5, P3-6, P3-7, P3-8 can be used for testing the brick type module with a pin pitch of 50.8mm.

[0035] When the five pin needle size structure pitch of the measured brick type power module is consistent with the size structure pitch of the brick type power module test needle sleeve of the utility model, the test tool of the utility model can be used for quickly inserting and mounting the tested brick type power module. The utility model is convenient to operate, the spring sheet structure is used in the test needle sleeve, can bear large current, is soft and durable in plugging, has small loss and is easy to control, can realize the electrical performance test of the brick type power module, has a wide application range, and greatly improves the test efficiency of the brick type power module.

[0036] The specific operation of the test tool of the utility model is as follows:

[0037] (1) The external test equipment (including a direct current power supply equipment and a direct current electronic load equipment) is connected with the test tool through a banana socket respectively;

[0038] (2) The switches K1 and K2 are placed in the off position;

[0039] (3) The measured brick type power module is inserted into the test needle sleeve according to the pin mark position;

[0040] (4) The power switch K1 is closed to provide power for the measured brick type power module, at this time, the direct current electronic load equipment displays the output voltage of the measured brick type power module, and the OFF key of the direct current electronic load equipment is pressed to provide load power for the measured brick type power module;

[0041] (6) The enable switch K2 is closed, and the measured power supply has no output voltage;

[0042] (7) After the test is completed, the power switch K1 and the enable switch K2 are placed in the off position, the measured brick type power module is pulled out, and the next measured brick type power module is inserted.

Claims

1. A brick-shaped power module testing fixture, comprising a test circuit board, characterized in that, It also includes a banana-shaped socket terminal unit, a toggle switch unit, and a brick-shaped power module test pin sleeve unit mounted on the test circuit board; wherein, the banana-shaped socket terminal unit is used to connect the brick-shaped power module under test to the external test equipment; the toggle switch unit is used to control the switching of the input power supply of the brick-shaped power module under test and to control the enable terminal; the brick-shaped power module test pin sleeve unit enables the plug-in connection between the brick-shaped power module under test and the test fixture.

2. The brick-shaped power module testing fixture as described in claim 1, characterized in that, A support screw is provided at each of the four corners of the test circuit board.

3. The brick-shaped power module testing fixture as described in claim 1, characterized in that, The external testing equipment includes a DC test power supply that provides operating voltage to the brick-type power module under test, and a DC electronic load that provides load power to the brick-type power module under test.

4. The brick-shaped power module testing fixture as described in any one of claims 1 to 3, characterized in that, The test circuit board is an epoxy printed circuit board.

5. The brick-shaped power module testing fixture as described in claim 4, characterized in that, The banana socket terminal unit (1) is composed of banana socket terminals J1, J2, J3 and J4 connected together.

6. The brick-shaped power module testing fixture as described in claim 5, characterized in that, The toggle switch unit (2) consists of a power switch K1 and an enable switch K2 connected to the PCB fiberboard via a silicone rubber wire.

7. The brick-shaped power module testing fixture as described in claim 6, characterized in that, The brick-shaped power module test pin sleeve unit (3) is composed of brick-shaped power module test pin sleeves P1, P2, P3, P4, P5, P6, P7, P8, P2-1, P2-2, P2-3, P2-4, P2-5, P2-6, P2-7, P2-8, P3-1, P3-2, P3-3, P3-4, P3-5, P3-6, P3-7, and P3-8, which are inserted and soldered to an epoxy printed circuit board.

8. The brick-shaped power module testing fixture as described in claim 7, characterized in that, The banana-shaped connector terminal J1 connects to pin 1 of the power switch K1; the banana-shaped connector terminal J2 connects to pin 1 of the enable switch K2, and its connection also connects to the brick-shaped power module test pin sleeves P3, P2-3, and P3-3; pin 2 of the power switch K1 is connected to the brick-shaped power module test pin sleeves P1, P2-1, and P3-1 via an epoxy printed circuit board; pin 2 of the enable switch K2 is connected to the brick-shaped power module test pin sleeves P2, P2-2, and P3-2 via an epoxy printed circuit board. Connections: Banana socket terminal J3 connects to brick-type power module test pin sleeve P8, and its connection also connects to brick-type power module test pin sleeves P2-8, P3-8, P7, P2-7, and P3-7; Banana socket terminal J4 connects to brick-type power module test pin sleeve P4, and its connection also connects to brick-type power module test pin sleeves P2-4, P3-4, P5, P2-5, and P3-5; brick-type power module test pin sleeves P6, P2-6, and P3-6 are left unconnected.

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