CN223426730U - Portable power source bidirectional inverter testboard - Google Patents

Abstract

The present invention provides a mobile power bidirectional inverter test bench, which relates to the technical field of power electronic testing equipment, and includes an operating table, a positioning mechanism installed on the operating table, a clamping mechanism, and a test assembly. The positioning mechanism includes a limit frame provided on the operating table surface, and an anti-static panel is provided in the limit frame; the clamping mechanism includes a fixed frame, a pressing mechanism slidably installed on the fixed frame, and the fixed frame includes a vertically arranged guide rail, and the pressing mechanism is slidably connected to the clamping mechanism through the guide rail; the test assembly includes a contact array located in the limit frame, a test circuit, a number of buttons and a number of indicator lights installed on the operating table, and the contact array, buttons, and indicator lights are electrically connected through the test circuit. The present invention realizes rapid positioning and fixing of the circuit board by cooperating with the limit frame and the pressing mechanism, and realizes reliable electrical connection by using the contact array, thereby overcoming the technical defects of low efficiency and poor contact in traditional manual testing.

Description

Portable power source bidirectional inverter testboard

Technical Field

The utility model relates to the technical field of power electronic test equipment, in particular to a mobile power supply bidirectional inverter test board.

Background

With the rapid development of new energy technology, mobile power supply products are widely applied in the market. The bidirectional inverter is used as a core component of a mobile power supply, and the performance of the bidirectional inverter directly influences the overall quality of a product, so that strict functional tests are required to be carried out in the production process.

At present, the test of the bidirectional inverter is mainly carried out by adopting a manual wiring mode. Specifically, a technician needs to manually connect test lines to each of the test contacts on the bottom of the inverter circuit board and verify the operating state of each functional circuit by on-off testing of different contact combinations. The test mode has the technical defects that firstly, a tester needs to repeatedly replace a wiring combination, the operation is complicated, the test efficiency is low, secondly, the situation of poor contact is easy to occur in manual wiring, the accuracy and the reliability of test data are affected, and thirdly, the test result depends on personal experience of operators to a great extent due to lack of a standardized test flow, and the consistency of the test quality is difficult to ensure.

Disclosure of utility model

The utility model aims to provide a mobile power supply bidirectional inverter test board which can improve test efficiency, ensure test precision and realize standardized operation.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme:

A mobile power supply bidirectional inverter test board comprises an operation board, a positioning mechanism, a clamping mechanism and a test assembly, wherein the positioning mechanism, the clamping mechanism and the test assembly are arranged on the operation board;

The positioning mechanism comprises a limit frame arranged on the table top of the operation table;

The clamping mechanism comprises a fixing frame and a pressing mechanism which is slidably arranged on the fixing frame, the fixing frame comprises a guide rail which is vertically arranged, and the pressing mechanism is slidably connected with the clamping mechanism through the guide rail;

The test assembly comprises a contact array positioned in the limit frame, a test circuit, a plurality of buttons and a plurality of indicator lamps, wherein the buttons and the indicator lamps are arranged on the operation table, and the contact array, the buttons and the indicator lamps are electrically connected through the test circuit.

Further, the placing surface in the limit frame is an antistatic panel.

The pressing mechanism comprises a pressing plate and a plurality of pressing rods vertically arranged at the lower end of the pressing plate, and the pressing rods are uniformly distributed along the edge of the pressing plate.

Further, the pressing plate is made of transparent acrylic material.

The bottom end of the pressure rod is a tip, and the pressure rod is made of insulating plastic.

The pressing mechanism further comprises a driving cylinder arranged on the fixing frame, and a telescopic rod of the driving cylinder is vertically and downwards fixedly connected with the pressing plate.

The test assembly further comprises a data processing module, wherein the data processing module comprises a counter and a memory, and the data processing module is electrically connected with the test circuit.

Further, a pressure spring is provided under the end of each contact in the contact array.

Further, each contact surface in the contact array is plated with a silver layer.

Compared with the prior art, the utility model has the following beneficial effects:

1. The device realizes the disposable positioning and fixing of the circuit board through the cooperation of the limiting frame and the pressing mechanism, and does not need to repeatedly carry out manual wiring operation. The limiting frame is used for realizing horizontal limiting, the pressing mechanism applies vertical pressure to the circuit board through the pressing rods with edges evenly distributed, and the contact array can be contacted with all test points of the circuit board at the same time, so that tedious operation of repeated wire connection combination replacement of a tester is avoided, and the testing efficiency is remarkably improved.

2. The device is provided with a pressure spring at each contact end of the contact array, and silver plating is carried out on the contact surface, so that reliable electrical connection with the circuit board test point is realized. The pressure springs can compensate flatness errors of the circuit board, stable contact between each contact and a test point is ensured, the silver plating layer improves conductivity of the contacts, the defects that manual wiring is prone to poor contact are overcome, and accuracy and reliability of test data are ensured.

3. The device is provided with the test circuit to electrically connect the contact array, the button and the indicator lamp and is provided with the data processing module, so that the standardization of the test process is realized. Through the preset circuit connection and operation flow and the automatic data acquisition and storage function, the test result is not dependent on personal experience of operators, and the consistency of the test quality is effectively ensured.

Drawings

Fig. 1 is a schematic structural diagram of a test stand of a bidirectional inverter of a mobile power supply of the device;

in the figure:

1. 2 parts of operation table, a fixing frame, 2.1 parts of guide rail, 3 parts of limit frame, 3.1 parts of antistatic panel, 4 parts of contact, 5 parts of indicator lamp, 6 parts of button, 7 parts of pressing plate, 8 parts of pressing rod, 9 parts of driving cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in figure 1, the mobile power supply bidirectional inverter test board comprises an operation board 1, a positioning mechanism, a clamping mechanism and a test assembly, wherein the positioning mechanism, the clamping mechanism and the test assembly are arranged on the operation board 1;

The positioning mechanism comprises a limiting frame 3 arranged on the table top of the operating table 1, and an antistatic panel 3.1 is arranged on the placing surface in the limiting frame 3.

The clamping mechanism comprises a fixing frame 2 and a pressing mechanism which is arranged on the fixing frame 2 in a sliding mode, wherein the fixing frame 2 comprises a guide rail 2.1 which is arranged vertically, the pressing mechanism is connected with the clamping mechanism in a sliding mode through the guide rail 2.1, the pressing mechanism comprises a pressing plate 7 and a plurality of pressing rods 8 which are arranged at the lower end of the pressing plate 7 vertically, and the pressing rods 8 are evenly distributed along the edge of the pressing plate 7. The pressing plate 7 is made of transparent acrylic material, the bottom end of the pressing rod 8 is a tip, and the pressing rod 8 is made of insulating plastic. The pressing mechanism further comprises a driving air cylinder 9 arranged on the fixing frame 2, and a telescopic rod of the driving air cylinder 9 is vertically and downwards fixedly connected with the pressing plate 7.

The test assembly comprises a contact 4 array positioned in the limit frame 3, a test circuit, a plurality of buttons 6 and a plurality of indicator lamps 5 which are arranged on the operation table 1, and the contact 4 array, the buttons 6 and the indicator lamps 5 are electrically connected through the test circuit. The test assembly further comprises a data processing module, the data processing module comprises a counter and a memory, and the data processing module is electrically connected with the test circuit. A pressure spring is arranged below the end part of each contact 4 in the contact 4 array, and the surface of each contact 4 in the contact 4 array is plated with a silver layer.

The working principle of the utility model is as follows:

When the mobile power supply bidirectional inverter test board is used, an inverter circuit board to be tested is placed in a limit frame 3 on the table top of an operation board 1. The limiting frame 3 limits the circuit board in the horizontal direction, so that the circuit board is located at a preset position, and meanwhile, the antistatic panel 3.1 in the limiting frame 3 can prevent static electricity from damaging the circuit board.

After the circuit board is placed in place, the circuit board is fixed by a pressing mechanism fixed on the guide rail 2.1. Specifically, the telescopic rod of the driving air cylinder 9 drives the pressing plate 7 to move downwards, and a plurality of pressing rods 8 uniformly distributed at the lower end of the pressing plate 7 apply pressure to the circuit board at the same time, so that the circuit board is stably fixed. Because the pressing plate 7 is made of transparent acrylic material, operators can intuitively observe the fixed state of the circuit board, and the pressing rod 8 is made of insulating plastic material and the bottom end is a tip, the circuit board can be accurately positioned and prevented from being damaged.

After the circuit board is fixed, the contact 4 array arranged in the limit frame 3 is contacted with the test point on the circuit board. The pressure spring at the end part of each contact 4 can compensate the flatness error of the circuit board, so that the contact 4 is ensured to be in stable contact with a test point, the silver plating layer on the surface of the contact 4 improves the conductivity, and the reliability of electrical connection is ensured. At this time, the button 6 provided on the console 1 can control the test circuit to form a preset conduction path between the different contacts 4, and the indicator lamp 5 immediately displays the corresponding test result.

In the test process, a data processing module electrically connected with the test circuit records test data in real time. The counter records the test times, and the memory stores test data, so that the subsequent data analysis and quality tracing are facilitated. Through the automatic test mode, the whole test process is unified in standard, the test result is objective and reliable, and the problem of inconsistent test result caused by operation difference in manual test is effectively avoided.

The automatic test mode converts the manual wiring operation which is needed to be repeatedly performed into a disposable positioning, fixing and automatic test process, not only remarkably improves the test efficiency, but also ensures the accuracy of test data through reliable mechanical structure and electric connection design, and simultaneously realizes the standardization of the test process and the traceability management of the data.

The foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, not to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (9)

1. The mobile power supply bidirectional inverter test board is characterized by comprising an operation board, a positioning mechanism, a clamping mechanism and a test assembly, wherein the positioning mechanism, the clamping mechanism and the test assembly are arranged on the operation board;

The positioning mechanism comprises a limit frame arranged on the table top of the operation table;

The clamping mechanism comprises a fixing frame and a pressing mechanism which is slidably arranged on the fixing frame, the fixing frame comprises a guide rail which is vertically arranged, and the pressing mechanism is slidably connected with the clamping mechanism through the guide rail;

The test assembly comprises a contact array positioned in the limit frame, a test circuit, a plurality of buttons and a plurality of indicator lamps, wherein the buttons and the indicator lamps are arranged on the operation table, and the contact array, the buttons and the indicator lamps are electrically connected through the test circuit.

2. The portable power source bi-directional inverter test board of claim 1, wherein the placement surface in the limit frame is an antistatic panel.

3. The mobile power supply bidirectional inverter test board according to claim 1, wherein the pressing mechanism comprises a pressing plate and a plurality of pressing rods vertically arranged at the lower end of the pressing plate, and the pressing rods are uniformly distributed along the edge of the pressing plate.

4. The mobile power supply bidirectional inverter test board according to claim 3, wherein the pressing plate is made of transparent acrylic material.

5. The portable power source bi-directional inverter test board of claim 3, wherein the bottom end of the pressure bar is a tip, and the pressure bar is made of insulating plastic.

6. The mobile power supply bidirectional inverter test board according to claim 1, wherein the pressing mechanism further comprises a driving cylinder installed on the fixing frame, and a telescopic rod of the driving cylinder is vertically and downwardly fixedly connected with the pressing plate.

7. The bi-directional inverter test stand of claim 1 wherein the test assembly further comprises a data processing module, the data processing module comprising a counter and a memory, the data processing module being electrically connected to the test circuit.

8. The bi-directional inverter test board of claim 1 wherein a compression spring is disposed under the end of each contact in said array of contacts.

9. The bi-directional inverter test board of claim 1 wherein each contact surface of said contact array is plated with a silver layer.