CN220820089U

CN220820089U - Test fixture of power strip

Info

Publication number: CN220820089U
Application number: CN202322683296.9U
Authority: CN
Inventors: 高琴
Original assignee: Shenzhen Smartkey Power Co ltd
Current assignee: Shenzhen Smartkey Power Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-19
Anticipated expiration: 2033-09-28

Abstract

The application discloses a test fixture for a power panel, which comprises a rack, a base, a placement plate and a test assembly, wherein the base is arranged on the rack, the placement plate is used for testing the data of the power panel, the base is provided with a plurality of contact pins which are arranged in parallel, one end of each contact pin is connected with the test assembly, the other end of each contact pin is used for being connected with the power panel to be tested, a plurality of telescopic pieces are arranged between the placement plate and the base, the placement plate is provided with a plurality of through holes, the positions, the numbers and the shapes of the through holes of the placement plate are all matched with the contact pins, and when the telescopic pieces are in a limit stretching state, the contact pins are positioned in the through holes of the placement plate; when the telescopic piece is in a limit shrinkage state, the needle heads of the contact pins are exposed out of the placing plate. The application has the effect of keeping the accuracy of the test result of the test fixture.

Description

Test fixture of power strip

Technical Field

The application relates to the field of electrical appliance detection, in particular to a test fixture for a power panel.

Background

At present, in the production of electronic devices, a power panel is one of important products, and an external power supply of the power panel provides working voltage for the electronic devices, and in a production link, the power panel needs to be subjected to spot check so as to detect whether the power panel meets the production quality requirement.

The existing power panel is generally subjected to circuit test through a test fixture, the fixture for detecting the power panel is generally provided with exposed pins, one ends of the pins are connected with the power panel to be tested, the other ends of the pins are connected with a detection circuit board for reading test data, the power panel to be tested is directly installed on the fixture during test, and the pins on the fixture are contacted with the power panel to obtain corresponding test data.

The test mode has the following defects: the contact pin is exposed for a long time as a test end part, and when the contact pin is not in a working state, the contact pin is easy to damage due to friction and collision, so that the test end part (contact pin) on the jig is damaged, poor contact between the test end part and a power supply part is caused, and the accuracy of a test result of the test jig is reduced, so that improvement is needed.

Disclosure of utility model

In order to maintain the accuracy of the test result of the test fixture, the application provides the test fixture of the power panel.

The application provides a test fixture of a power panel, which adopts the following technical scheme:

The utility model provides a test fixture of power strip, includes the frame, set up in the base of frame, place the board and be used for testing the test assembly of power strip data, the base is installed a plurality of mutual parallel arrangement's contact pin, the one end of contact pin with test assembly is connected, the other end of contact pin is used for being connected with the power strip that awaits measuring, place the board with be provided with a plurality of extensible members between the base, place the board and seted up a plurality of through-holes, place the through-hole position, quantity and the shape of board all with a plurality of contact pin adaptation, when the extensible member is in limit extension state, the contact pin is located place the through-hole of board; when the telescopic piece is in a limit shrinkage state, the needle heads of the contact pins are exposed out of the placing plate.

Through adopting above-mentioned technical scheme, when not carrying out the power strip test, the extensible member is in limit extension state, and the contact pin is located this moment place the through-hole of board in, place the through-hole protection contact pin of board and be difficult for being damaged because of exposing for a long time, protection contact pin reduces the poor condition of contact between contact pin and the power supply portion to keep the accuracy of test jig test result.

Preferably, the placing plate is concavely provided with a placing groove for placing the power board to be tested.

Through adopting above-mentioned technical scheme, the lateral wall of standing groove plays limiting displacement to the power strip that awaits measuring, makes the power strip that awaits measuring be difficult for taking place to shift or drop in the testing process.

Preferably, the frame is fixed with push-pull type quick clamp, push-pull type quick clamp install in place the top of board, push-pull type quick clamp is used for driving to place the board and pushes down.

Through adopting above-mentioned technical scheme, will press the power strip that awaits measuring through push-and-pull type quick clamp, the board pushes down is placed in the drive simultaneously, makes the extensible member change into limit shrinkage state from limit extension state, and when the extensible member was in limit shrinkage state, contact pin and power strip that awaits measuring.

Preferably, the output end of the push-pull type quick clamp is provided with a pressing plate, the pressing plate is parallel to the placing plate, and one surface of the pressing plate, which is close to the placing plate, is provided with a plurality of extension rods.

Through adopting above-mentioned technical scheme, when a plurality of extension bars increase push-and-pull type quick clamp drive placing board pushes down, the atress point position of power strip that awaits measuring avoids the power strip that awaits measuring to receive the pressure intensity too big, protection power strip that awaits measuring.

Preferably, the rack is provided with a guide rod penetrating through the pressing plate, the guide rod is in sliding connection with the pressing plate, and the extending direction of the guide rod is parallel to the moving direction of the push-pull type quick clamp.

Through adopting above-mentioned technical scheme, when push-and-pull type quick clamp drive press plate moved, the guide bar played the guide effect to the press plate, made the press plate be difficult for taking place the skew condition in the removal in-process.

Preferably, the test assembly comprises a test circuit board and a main display screen for displaying test results, the test circuit board and the main display screen are both mounted on the base, the test circuit board is electrically connected with the contact pins, and the main display screen is electrically connected with the test circuit board.

Through adopting above-mentioned technical scheme, acquire the test data of power strip that awaits measuring through test circuit board, with test data feedback to main display screen in, the tester of being convenient for reads test data, improves efficiency of software testing.

Preferably, the test assembly further comprises a secondary display screen for displaying a test state, the secondary display screen is mounted on the base, and the secondary display screen is electrically connected with the test circuit board.

By adopting the technical scheme, the tester can conveniently know the testing state and the testing progress in time.

Preferably, the base is provided with a storage cavity for storing the circuit wires of the test assembly.

Through adopting above-mentioned technical scheme, accomodate the electric wire, improve the holistic structural integrity of test fixture, make the electric wire be difficult for leaking the damage outward.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When the power panel is not tested, the telescopic piece is in a limit stretching state, the contact pin is positioned in the through hole of the placing plate, the through hole of the placing plate protects the contact pin and is not easy to damage due to long-term exposure, the contact pin is protected, the condition of poor contact between the contact pin and the power supply part is reduced, and therefore the accuracy of a test result of the test fixture is maintained;

2. The power panel to be tested is pressed through the push-pull type quick clamp, meanwhile, the placement plate is driven to be pressed downwards, the telescopic piece is changed into a limit shrinkage state from a limit expansion state, and when the telescopic piece is in the limit shrinkage state, the contact pin is contacted with the power panel to be tested;

3. Test data of the power panel to be tested are acquired through the test circuit board, the test data are fed back to the main display screen, test personnel can conveniently read the test data, and test efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a telescopic member in a limit-extension state according to an embodiment of the present application.

Fig. 2 is a front view of the overall structure of the telescoping member in its extreme extended state in accordance with an embodiment of the present application.

FIG. 3 is a schematic view of the overall structure of the telescopic member in a contracted and extended state according to an embodiment of the present application.

Fig. 4 is an enlarged view of portion a of fig. 3 in an embodiment of the application.

Fig. 5 is a schematic diagram of a circuit frame of a test circuit board according to an embodiment of the application.

Reference numerals illustrate:

1. A frame; 2. a base; 3. placing a plate; 4. a testing component; 41. a main display screen; 42. a secondary display screen; 5. push-pull type quick clamp; 6. pressing the plate; 7. an extension rod; 8. a guide rod; 9. a telescoping member; 10. a contact pin; 11. a main control module; 12. a power module; 13. a test module; 14. a display module; 15. and a fault indication module.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

The embodiment of the application discloses a test fixture for a power panel. Referring to fig. 1 to 4, a test fixture for a power panel includes a frame 1, a base 2 provided with a storage cavity, a placement board 3 concavely provided with a placement groove, and a test assembly 4 for testing data of the power panel, wherein the base 2 is provided with the frame 1, the base 2 is provided with a plurality of pins 10 arranged in parallel with each other, one end of each pin 10 is connected with the test assembly 4, the other end of each pin 10 is used for being connected with a power panel to be tested (not shown in the figure), and a plurality of telescopic members 9 are arranged between the placement board 3 and the base 2, and in the embodiment of the application, the telescopic members 9 are springs; the placing plate 3 is provided with a plurality of through holes, the positions, the number and the shape of the through holes of the placing plate 3 are matched with those of a plurality of pins 10, in the embodiment of the application, the distribution of the pins 10 is matched with the test sites of the power panel to be tested, and when the telescopic piece 9 is in a limit stretching state, the pins 10 are positioned in the through holes of the placing plate 3; when the telescopic member 9 is in the extreme contracted state, i.e. when the spring is compressed, the needle of the pin 10 is exposed to the placing plate 3.

Referring to fig. 1 to 3, a rack 1 is fixed with a push-pull type quick clamp 5 for driving a placing plate 3 to press down, the push-pull type quick clamp 5 is installed above the placing plate 3, a pressing plate 6 is installed at an output end, the push-pull type quick clamp is parallel to the placing plate 3, one face of the pressing plate 6, which is close to the placing plate 3, is detachably provided with a plurality of extension rods 7 through screws, one end, which is far away from the pressing plate 6, of each extension rod 7 is used for being in contact with a power board to be tested, electronic devices are installed on the top face of the power board to be tested, the surface of the power board to be tested is uneven, the arrangement of the extension rods 7 is convenient for setting pressing sites at proper positions, the surface devices of the power board to be tested are protected, meanwhile the pressure born by the power board to be tested is avoided, and the board body of the power board to be tested is protected.

Referring to fig. 1 to 3, the frame 1 is further provided with two guide rods 8 penetrating through the pressing plate 6, the guide rods 8 are slidably connected with the pressing plate 6, the extending direction of the guide rods 8 is parallel to the moving direction of the push-pull type quick clamp 5, and in the embodiment of the application, the two guide rods 8 are vertically arranged, and the moving direction of the push-pull type quick clamp 5 moves vertically.

Referring to fig. 1 to 3, the test assembly 4 includes a test circuit board (not shown), a main display screen 41 for displaying test results, a sub display screen 42 for displaying test status and progress, the test circuit board is built in an installation cavity of the base 2, the main display screen 41 is installed at the front side of the base 2, the sub display screen 42 is installed at the top surface of the base 2, the test circuit board is electrically connected with the pins 10, the main display screen 41 and the sub display screen 42 are electrically connected with the test circuit board, and circuit wires of the test assembly 4 are accommodated in an accommodation cavity of the base 2.

Referring to fig. 5, the test circuit board includes a main control module 11, a power module 12, a test module 13, a display module 14 and a fault indication module 15, and in the embodiment of the present application, the main control module 11 is an MCU microprocessor; the power module 12 includes a voltage conversion sub-module; the test module 13 comprises an optocoupler isolation IO circuit sub-module, an ADC power supply voltage acquisition sub-module and a relay switching circuit sub-module; the display module 14 comprises an LDC-12864 serial communication display with a word stock and an MOS peripheral driving sub-module; the fault module 15 includes a fault operation indicator light sub-module and a buzzer alarm sub-module.

The implementation principle of the test fixture of the power panel of the embodiment of the application is as follows: when the power panel test is not carried out, the telescopic piece 9 is in a limit stretching state, the contact pin 10 is positioned in the through hole of the placing plate 3, the through hole of the placing plate 3 protects the contact pin 10 and is not easy to damage due to long-term exposure, the contact pin 10 is protected, the poor contact condition between the contact pin 10 and the power supply part is reduced, and therefore the accuracy of the test result of the test fixture is maintained.

When the power panel to be tested is required to be tested, the power panel to be tested is placed in the placing groove, the push-pull type quick clamp 5 is used for enabling the push-down plate 6 to be pushed down, the extension rod 7 arranged on the push-down plate 6 is in contact with the power panel to be tested, the power panel to be tested is driven to be pushed down with the placing plate 3, the telescopic piece 9 is in a limit shrinkage state, the contact pin 10 is exposed and is electrically connected with the power panel to be tested, and the test assembly 4 is used for testing the power panel to be tested.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a test fixture of power strip, its characterized in that includes frame (1), set up in base (2) of frame (1), place board (3) and be used for testing test assembly (4) of power strip data, a plurality of contact pins (10) of mutual parallel arrangement are installed to base (2), the one end of contact pin (10) with test assembly (4) are connected, the other end of contact pin (10) is used for being connected with the power strip that awaits measuring, place board (3) with be provided with a plurality of extensible members (9) between base (2), a plurality of through-holes have been seted up to place board (3), place board (3) through-hole position, quantity and shape all with a plurality of contact pins (10) adaptation, when extensible member (9) are in extreme extension state, contact pin (10) are located place board (3) through-hole. When the telescopic piece (9) is in a limit shrinkage state, the needle head of the contact pin (10) is exposed out of the placing plate (3).

2. The testing jig of a power panel according to claim 1, wherein the placement board (3) is concavely provided with a placement groove into which the power panel to be tested is placed.

3. The testing jig of a power panel according to claim 1, wherein the rack (1) is fixed with a push-pull type quick clamp (5), the push-pull type quick clamp (5) is installed above the placing plate (3), and the push-pull type quick clamp (5) is used for driving the placing plate (3) to press down.

4. A test fixture for a power panel according to claim 3, characterized in that the output end of the push-pull type quick clamp (5) is provided with a pressing plate (6), the pressing plate (6) is parallel to the placing plate (3), and one surface of the pressing plate (6) close to the placing plate (3) is provided with a plurality of extension rods (7).

5. The testing jig of a power panel according to claim 4, wherein the frame (1) is provided with a guide rod (8) penetrating through the pressing plate (6), the guide rod (8) is slidably connected with the pressing plate (6), and an extending direction of the guide rod (8) is parallel to a moving direction of the push-pull type quick clamp (5).

6. The test fixture of a power panel according to claim 1, wherein the test assembly (4) comprises a test circuit board and a main display screen (41) for displaying test results, the test circuit board and the main display screen (41) are both mounted on the base (2), the test circuit board is electrically connected with the pins (10), and the main display screen (41) is electrically connected with the test circuit board.

7. The test fixture of a power strip of claim 6, wherein the test assembly (4) further comprises a secondary display screen (42) for displaying a test status, the secondary display screen (42) is mounted on the base (2), and the secondary display screen (42) is electrically connected to the test circuit board.

8. The testing jig of a power panel according to claim 1, wherein the base (2) is provided with a housing cavity for housing a circuit wire of the testing assembly (4).