CN215219100U

CN215219100U - Power module testing device

Info

Publication number: CN215219100U
Application number: CN202120812988.7U
Authority: CN
Inventors: 梁召军
Original assignee: Anhui Sike Information Technology Co ltd
Current assignee: Anhui Sike Information Technology Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-17
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a power module testing arrangement, locating component includes elasticity hoop rope, detains the post, the one end setting of elasticity hoop rope is in one side of module test seat, it sets up to detain the post the opposite side of module test seat, elasticity hoop rope is located the outside that awaits measuring power module, the other end with detain the support connnection. The utility model discloses can conveniently carry out the test work of all kinds of functions and index to power module to can conveniently test different power modules, improve device application scope, still adopt the output test point of plug-in type, can realize stably pegging graft with the oscilloscope probe, it is more convenient during the test, connect more stably, be worth using widely.

Description

Power module testing device

Technical Field

The utility model relates to a power module tests technical field, concretely relates to power module testing arrangement.

Background

The power supply module is a power supply device which can be directly attached to a printed circuit board and is characterized by supplying power to an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a microprocessor, a memory, a Field Programmable Gate Array (FPGA) and other digital or analog loads. Generally, such modules are referred to as point-of-load (POL) power supply systems or point-of-use power supply systems (PUPS). Due to the advantages of the modular structure, the modular power supply is widely used in the communication fields of switching equipment, access equipment, mobile communication, microwave communication, optical transmission, routers and the like, and in automotive electronics, aerospace and the like.

When testing the electrical performance index of the power module, the conventional testing method is that a wire and a clamp are connected with the power module, when the protection function is tested, a tool needs to be used for short circuit, one person operates, one person needs to help to record data, the same action is repeated once when one power module is replaced, the wiring is easy to be wrongly connected, and when the ripple wave is tested and output, an oscilloscope probe is used to be connected to the pin of the power module in an leaning manner, the testing is not convenient enough (see fig. 1), therefore, the testing device for the power module is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the power module testing device is provided for solving the problems of complex operation, labor consumption, inconvenience and the like in the conventional power module testing method.

The utility model discloses a solve above-mentioned technical problem through following technical scheme, the utility model discloses a test PCB board, module test seat, input terminal, output terminal all set up on the test PCB board, the module test seat with the test PCB board is connected, and the power module that awaits measuring sets up on the module test seat, by input terminal input voltage, by output terminal output voltage to load, the power module that awaits measuring passes through the module test seat with test PCB board electric connection.

Preferably, the number of the input binding posts and the number of the output binding posts are two, and the two input binding posts and the two output binding posts are respectively and electrically connected with the input pin and the output pin of the power supply module to be tested.

Preferably, the module test socket is provided with a plurality of metal connection jacks, and pins of the power supply module to be tested are respectively connected with the metal connection jacks.

Preferably, the power module testing device further comprises a plurality of test switches, and each test switch is arranged on the test PCB.

Preferably, the test switch comprises an input switch, a prohibition switch and a short-circuit switch, and the input switch, the prohibition switch and the short-circuit switch are all connected with the test PCB.

Preferably, the test device further comprises an input test point and an output test point, and the input test point and the output test point are both arranged on the test PCB.

Preferably, the output test point comprises a metal column and a metal sleeve, the metal sleeve is connected with the test PCB through the metal column, the shape of the metal sleeve is matched with that of the end part of the oscilloscope probe, and the metal sleeve is spliced with the oscilloscope probe during test of the output ripple wave.

Preferably, the output test point further comprises an external insulating sleeve and a rubber ring, the external insulating sleeve is arranged outside the metal column and the metal sleeve, the rubber ring is arranged at the opening of the metal sleeve, and the inner diameter of the rubber ring is smaller than the outer diameter of the end part of the oscilloscope probe.

Preferably, the power module testing device further comprises a positioning component for positioning the power module to be tested, and the positioning component is arranged on the module testing seat.

Preferably, the positioning assembly comprises an elastic hoop rope and a buckling column, one end of the elastic hoop rope is arranged on one side of the module testing seat, the buckling column is arranged on the other side of the module testing seat, the elastic hoop rope is positioned outside the power supply module to be tested, and the other end of the elastic hoop rope is connected with the buckling column.

Compared with the prior art, the utility model has the following advantages: the test device has the advantages that the test device can conveniently test various functions and indexes of the power supply module, can conveniently test different power supply modules, improves the application range of the device, can realize stable plugging with an oscilloscope probe by adopting the plug-in type output test point, is more convenient during testing, is more stable in connection, and is worth being popularized and used.

Drawings

FIG. 1 is a diagram illustrating a power module output ripple being tested by an oscilloscope probe in the prior art;

fig. 2 is a schematic view of an overall structure of a power module testing apparatus according to a first embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of an output test point in the first embodiment of the present invention;

fig. 4 is a schematic diagram of the testing principle of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example one

As shown in fig. 2 and 3, the present embodiment provides a technical solution: the utility model provides a power module testing arrangement, is including test PCB board 1, module test socket 2, input terminal 11, output terminal 12 all set up on the test PCB board 1, module test socket 2 with test PCB board 1 is connected, and the examination power module that awaits measuring sets up on the module test socket 2, during the test by input terminal 11 input voltage, by output terminal 12 output voltage to load, the examination power module that awaits measuring passes through module test socket 2 with test PCB board 1 electric connection. And after the input voltage is processed by the power supply module to be tested, the output wiring terminal 1 outputs the voltage to a load to supply power to the load.

In this embodiment, the number of the input terminals 11 is two, and the two input terminals are electrically connected to the input pins of the power module to be tested through the preset circuit on the test PCB board 1.

In this embodiment, the number of the output terminals 12 is two, and the two output terminals are electrically connected to the output pin of the power module to be tested through a preset circuit on the test PCB board 1.

In this embodiment, the module testing socket 2 is provided with a plurality of metal connection jacks 21, and the pins of the power module to be tested are electrically connected to the metal connection jacks 21 respectively. Thereby achieving electrical connection with the test PCB board 1.

In this embodiment, the test PCB 1 and the module test socket 2 are electrically connected by soldering.

In this embodiment, the power module testing apparatus further includes a plurality of test switches, and each of the test switches is disposed on the test PCB board 1.

In this embodiment, the test switch includes an input switch 13, an inhibit switch 14, and a short-circuit switch 15, and the input switch 13, the inhibit switch 14, and the short-circuit switch 15 are all electrically connected to a preset line of the test PCB board 1. After the input switch 13 is turned on, the input voltage, the input current, the output voltage and the output ripple can be tested; the input switch 13 and the inhibition switch 14 are opened to test the inhibition function of the power supply module to be tested; opening the input switch 13 and the short-circuit switch 15 can test the short-circuit function of the power supply module to be tested.

In this embodiment, the testing apparatus further includes an input test point 16 and an output test point 17, where the input test point 16 and the output test point 17 are both disposed on the test PCB board 1 and electrically connected to a preset circuit on the test PCB board 1, where the input test point 16 is used to detect an input voltage, and the output test point 17 is used to detect an output voltage and an output ripple.

In this embodiment, the output test point 17 includes a metal pillar 171 and a metal sleeve 173, the metal sleeve 173 is connected to the test PCB board 1 through the metal pillar 171, the shape of the metal sleeve 173 matches with the shape of the probe end of the oscilloscope, and the metal sleeve is plugged with the probe of the oscilloscope during testing the output ripple wave. Through the change of grafting mode, for traditional inarching test mode, it is more convenient during the test, connect more stably.

In this embodiment, the output test point 17 further includes an external insulating sleeve 172 and a rubber ring 174, the external insulating sleeve 172 is disposed outside the metal pillar 171 and the metal sleeve 173 to perform an insulating function, the rubber ring 174 is disposed at an opening of the metal sleeve 173, and an inner diameter of the rubber ring 174 is smaller than an outer diameter of an end of the oscilloscope probe, so that the rubber ring 174 can perform a certain fixing function to temporarily fix the oscilloscope probe by friction force, and prevent the oscilloscope probe from slipping off after being touched by mistake.

Example two

In this embodiment, the power module testing device further includes a positioning component, and the positioning component is arranged on the module testing base 2 and used for positioning the power module to be tested.

In this embodiment, the locating component includes elasticity hoop rope, detains the post, the one end setting of elasticity hoop rope is in one side of module test seat 2, it sets up to detain the post the opposite side of module test seat 2, elasticity hoop rope hoop is in the outside of awaiting measuring power module, the other end with detain the post and be connected. The arrangement of the elastic hoop rope can adapt to power modules with different overall dimensions, and the application range of the testing device is widened.

Except for the above embodiments, the other embodiments in this embodiment are the same as the first embodiment.

The utility model discloses a theory of operation: as shown in fig. 4, firstly, an input voltage is connected to the input terminal 11 through a connection line, the output terminal 12 is connected to a load, a power module to be tested is placed in the module test socket 2, stable electrical connection is realized through the metal connection jack 21, a required switch is turned on according to test requirements, and the input switch 13 must be turned on before each index is tested. After the input switch 13 is opened, testing parameters such as input voltage, input current, output voltage, output ripple waves and the like; the test inhibit function opens the input switch 13 and the inhibit switch 14; the short circuit function can be tested by opening the input switch 13 and the short circuit switch 15; when testing different power supply modules, only the module test seat 2 needs to be replaced, and the application range is wider.

To sum up, this power module testing arrangement can conveniently carry out the test work of all kinds of functions and index to power module to can conveniently test different power modules, improve device application scope, still adopt the output test point of plug-in type, can realize stably pegging graft with the oscilloscope probe, it is more convenient during the test, connect more stably, be worth using widely.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A kind of power module testing device, characterized by that: including test PCB board, module test seat, input terminal, output terminal all set up on the test PCB board, the module test seat with the test PCB board is connected, and the examination power module that awaits measuring sets up on the module test seat, by input terminal input voltage, input voltage passes through the examination power module that awaits measuring is by output terminal output voltage to load, the examination power module that awaits measuring passes through the module test seat with test PCB board electric connection.

2. The power module testing device of claim 1, wherein: the number of the input binding posts and the number of the output binding posts are two, and the two binding posts are respectively and electrically connected with the input pin and the output pin of the power supply module to be tested.

3. The power module testing device of claim 1, wherein: the module test socket is provided with a plurality of metal connecting jacks, and pins of the power supply module to be tested are connected with the metal connecting jacks respectively.

4. The power module testing device of claim 1, wherein: the power module testing device further comprises a plurality of testing switches, and each testing switch is arranged on the testing PCB.

5. The power module testing device of claim 4, wherein: the test switch comprises an input switch, a prohibition switch and a short-circuit switch, and the input switch, the prohibition switch and the short-circuit switch are all connected with the test PCB.

6. The power module testing device of claim 4, wherein: the testing device further comprises an input testing point and an output testing point, wherein the input testing point and the output testing point are both arranged on the testing PCB.

7. The power module testing device of claim 6, wherein: the output test point comprises a metal column and a metal sleeve, the metal sleeve is connected with the test PCB through the metal column, the shape of the metal sleeve is matched with that of the end part of the oscilloscope probe, and the metal sleeve is spliced with the oscilloscope probe when the output ripple wave is tested.

8. The power module testing device of claim 7, wherein: the output test point further comprises an external insulating sleeve and a rubber ring, the external insulating sleeve is arranged outside the metal column and the metal sleeve, the rubber ring is arranged at an opening of the metal sleeve, and the inner diameter of the rubber ring is smaller than the outer diameter of the end part of the oscilloscope probe.

9. The power module testing device of claim 1, wherein: the power module testing device further comprises a positioning component for positioning the power module to be tested, and the positioning component is arranged on the module testing seat.

10. The power module testing device of claim 9, wherein: the positioning assembly comprises an elastic hoop rope and a buckling column, one end of the elastic hoop rope is arranged on one side of the module testing seat, the buckling column is arranged on the other side of the module testing seat, the elastic hoop rope is positioned outside the power supply module to be tested, and the other end of the elastic hoop rope is connected with the buckling column.