CN216526223U

CN216526223U - Lamp panel test fixture

Info

Publication number: CN216526223U
Application number: CN202122638098.1U
Authority: CN
Inventors: 张金友
Original assignee: Zhuhai Hepuchuang Electronic Technology Co ltd
Current assignee: Zhuhai Hepuchuang Electronic Technology Co ltd
Priority date: 2021-10-31
Filing date: 2021-10-31
Publication date: 2022-05-13
Anticipated expiration: 2031-10-31

Abstract

The utility model discloses a lamp panel test fixture which can improve test efficiency and test precision. The technical problem to be solved by the utility model is realized by the following technical means: the utility model provides a lamp plate test fixture, it includes the base, set up the guide post on the base, with guide post sliding fit's installation frame, with the installation frame passes through the connecting axle to be connected the setting and is in the probe card and the fixed setting of the bottom of installation frame are in a plurality of probes on the probe card, the bottom of base is provided with the product and places the seat, the middle part that the seat was placed to the product is provided with at least one row and the cell body that supplies the examination of awaiting measuring product to place, the bottom of probe card is fixed insert be equipped with a plurality of with the location pointed post of cell body one-to-one, the location pointed post cooperatees with the product, the lateral part of location pointed post is provided with spacing post, the length of spacing post is less than the length of location pointed post. The utility model relates to the technical field of test fixtures.

Description

Lamp panel test fixture

Technical Field

The utility model relates to the technical field of test fixtures, in particular to a lamp panel test fixture.

Background

According to the original method for testing the LED lamp, the LED lamp has four colors (R, G, B, BP), a DC power supply is used, and when one lamp is tested, the voltage of the DC power supply needs to be adjusted, the voltages needed by the lamps with different colors are different.

In the operation process, not only the workload is increased, but also the efficiency is not high, the lamp is burnt out by easily adjusting the leakage voltage in the test, the LED lamp core can be crushed, and the hidden trouble of the test is leaked. The main LED lamp panel has a thermistor and needs a universal meter to test the resistance value, the potential leakage test hazard also exists, and the quality cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a lamp panel test fixture which can improve the test efficiency and the test precision.

The technical problem to be solved by the utility model is realized by the following technical means: the utility model provides a lamp plate test fixture, it includes the base, set up the guide post on the base, with guide post sliding fit's installation frame, with the installation frame passes through the connecting axle to be connected the setting and is in the probe card and the fixed setting of the bottom of installation frame are in a plurality of probes on the probe card, the bottom of base is provided with the product and places the seat, the middle part that the seat was placed to the product is provided with at least one row and the cell body that supplies the examination of awaiting measuring product to place, the bottom of probe card is fixed insert be equipped with a plurality of with the location pointed post of cell body one-to-one, the location pointed post cooperatees with the product, the lateral part of location pointed post is provided with spacing post, the length of spacing post is less than the length of location pointed post.

In the scheme, the lamp panel of the LED lamp is tested by using the jig, manual voltage switching and manual testing by using a universal meter are omitted, and efficiency is improved. The installation frame is provided with the probe, utilizes the installation frame can drive the probe and insert, installation frame and guide post cooperation, and the guide post can lead to make installation frame and install the probe in the installation frame all carry out straight line operation from top to bottom, and accurate location does not deviate, guarantees that the test is high-efficient and accurate. The probe passes the probe card, and the probe card follows the installation frame and moves together, and the slotted hole on the product can be fixed a position to the location pointed column on the probe card for the probe can be pinpointed down, and when spacing post's effect was avoided not placing the product on the cell body, the lower needle led to the probe to damage, so can realize spacing function down.

Furthermore, the bottom of the probe board is provided with a plurality of slots corresponding to the slot body one by one, the positioning pointed columns are in sliding fit with the slots, and first springs are connected between the bottoms of the slots and the positioning pointed columns.

In above-mentioned scheme, location pointed column can slide through first spring and set up in the slot, and when carrying out the product test, location pointed column contacts the product earlier, and then, the installation frame continues to move down and makes location pointed column compressed into in the slot, and probe 5 then can further probe down and contact the product and test.

Furthermore, the product placing seat comprises a cuboid-shaped base plate, the groove bodies are arranged on the base plate, one probe is respectively arranged on the upper portion of the testing station of each product corresponding to the groove body of the probe board, the plurality of probes are separated from each other, and the tops of the probes on the testing stations of the same corresponding position of each groove body are connected through a lead.

In the scheme, the probes are respectively connected with R, G, B, BP testing stations of products, the same station of different products is connected in parallel, a plurality of products on the same station are tested at one time, and the efficiency is high.

Furthermore, the installation frame includes last deckle board and the deckle board that is connected through elasticity vertical axis, the width of going up the deckle board is less than the width of deckle board down, it is right to go up the deckle board the guide post is dodged, the outside cover of elasticity vertical axis is equipped with soft cotton.

Further, the bottom cover of guide post is equipped with the second spring, the top of second spring with the cooperation of contradicting of lower deckle board, the installation frame is provided with the shaft hole confession the guide post passes.

In the scheme, the mounting frame is used as an integral frame of the moving part and performs vertical linear motion under the guiding action of the guide posts, and the upper frame plate and the lower frame plate are flexibly connected through the elastic vertical shaft.

Furthermore, the rear portion of base plate is provided with the breach and dodges for the guide post, the lateral part of base plate is provided with the locating pin, the lateral part of lower frame plate be provided with locating pin matched with pinhole.

Furthermore, the upper portion of installation frame is provided with the lift main shaft, the top of base be provided with lift main shaft matched with manual rocker.

In the scheme, the manual rocker is connected with the mounting frame so as to control the mounting frame to move up and down.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a probe card, a positioning tip column and a position limiting column according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

As shown in fig. 1 and 2, the utility model adopts the technical scheme that the utility model is a lamp panel test fixture, which comprises a base 1, guide posts 2 arranged on the base 1, a mounting frame in sliding fit with the guide posts 2, a probe board 4 connected with the mounting frame through a connecting shaft and arranged at the bottom of the mounting frame, and a plurality of probes 5 fixedly arranged on the probe board 4, a product placing seat 6 is arranged at the bottom of the base 1, at least one row of groove bodies 7 for placing products to be tested are arranged in the middle of the product placing seat 6, a plurality of positioning pointed posts 8 which are in one-to-one correspondence with the groove bodies 7 are fixedly inserted at the bottom of the probe board 4, the positioning pointed column 8 is matched with a product, a limiting column 9 is arranged on the side portion of the positioning pointed column 8, and the length of the limiting column 9 is smaller than that of the positioning pointed column 8. According to the utility model, the lamp panel of the LED lamp is tested by using the jig, manual voltage switching and manual testing by using a universal meter are omitted, and the efficiency is improved. The installation frame is provided with probe 5, utilizes the installation frame can drive probe 5 and lower the needle, installation frame and the cooperation of guide post 2, and guide post 2 can lead and make installation frame and install probe 5 in the installation frame all carry out straight line operation from top to bottom, and accurate location does not deviate, guarantees that the test is high-efficient and accurate. The probe 5 passes through the probe board 4, and the probe board 4 follows the installation frame and moves together, and the slotted hole on the product can be fixed a position to the location pointed column 8 on the probe board 4 for probe 5 can pinpoint down, and when the product was not placed on avoiding cell body 7 to the effect of spacing post 9, the probe 5 that leads to the needle down damaged, so can realize spacing function down.

In a specific embodiment, a plurality of slots 10 corresponding to the slots 7 one by one are arranged at the bottom of the probe board 4, the positioning pointed column 8 is in sliding fit with the slots 10, and a first spring 11 is connected between the bottom of the slot 10 and the positioning pointed column 8. The positioning pin 8 can be slidably disposed in the slot 10 through the first spring 11, when performing a product test, the positioning pin 8 contacts the product first, and then the mounting frame continues to move downward to compress the positioning pin 8 into the slot 10, and the probe 5 can further move downward and contact the product for a test.

In a specific embodiment, the product placing seat 6 includes a rectangular parallelepiped base plate 12, the slot bodies 7 are disposed on the base plate 12, the probe card 4 is provided with one probe 5 on the upper portion of the test station of the product corresponding to each slot body 7, the plurality of probes 5 are separated from each other, and the tops of the probes 5 on the test station of the same corresponding position of each slot body 7 are connected through a wire. The probes 5 are respectively connected with R, G, B, BP testing stations of products, the same station of different products is connected in parallel, a plurality of products on the same station are tested at one time, and the efficiency is high.

In a specific embodiment, the mounting frame includes an upper frame plate 14 and a lower frame plate 15 connected by an elastic vertical shaft 13, the width of the upper frame plate 14 is smaller than that of the lower frame plate 15, the upper frame plate 14 avoids the guide post 2, and the outer portion of the elastic vertical shaft 13 is sleeved with soft cotton. The mounting frame is used as an integral frame of a moving part, and moves up and down linearly under the guiding action of the guide posts 2, and the upper frame plate 14 and the lower frame plate 15 are flexibly connected through the elastic vertical shaft 13.

In a specific embodiment, the bottom of the guiding column 2 is sleeved with a second spring, the top of the second spring is in interference fit with the lower frame plate 15, and the mounting frame is provided with a shaft hole 16 for the guiding column 2 to pass through.

In a specific embodiment, a gap is formed at the rear part of the base plate 12 to avoid the guide post 2, a positioning pin 17 is arranged at the side part of the base plate 12, and a pin hole 18 matched with the positioning pin 17 is formed at the side part of the lower frame plate 15.

In a specific embodiment, the upper part of the mounting frame is provided with a lifting spindle 19, and the top of the base 1 is provided with a manual rocker 20 which is matched with the lifting spindle 19. The manual rocker 20 is connected to the mounting frame to control the mounting frame to move up and down.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A lamp panel test fixture is characterized by comprising a base (1), guide posts (2) arranged on the base (1), an installation frame in sliding fit with the guide posts (2), a probe board (4) connected with the installation frame through a connecting shaft and arranged at the bottom of the installation frame, and a plurality of probes (5) fixedly arranged on the probe board (4), a product placing seat (6) is arranged at the bottom of the base (1), at least one row of groove bodies (7) for placing products to be tested are arranged in the middle of the product placing seat (6), a plurality of positioning sharp-headed columns (8) which are in one-to-one correspondence with the groove bodies (7) are fixedly inserted at the bottom of the probe card (4), the positioning pointed column (8) is matched with a product, a limit column (9) is arranged at the side part of the positioning pointed column (8), the length of the limiting column (9) is smaller than that of the positioning pointed column (8).

2. The lamp panel test fixture according to claim 1, wherein a plurality of slots (10) corresponding to the slots (7) one by one are formed in the bottom of the probe board (4), the positioning pointed columns (8) are in sliding fit with the slots (10), and first springs (11) are connected between the bottom of the slots (10) and the positioning pointed columns (8).

3. The lamp panel test fixture according to claim 1, wherein the product placing seat (6) comprises a cuboid-shaped base plate (12), the slot bodies (7) are arranged on the base plate (12), the probe board (4) is provided with one probe (5) on the upper portion of a test station of a product corresponding to each slot body (7), the plurality of probes (5) are separated from each other, and the tops of the probes (5) on the test station of the same corresponding position of each slot body (7) are connected through a lead.

4. The lamp panel test fixture of claim 3, wherein the mounting frame comprises an upper frame plate (14) and a lower frame plate (15) which are connected through an elastic vertical shaft (13), the width of the upper frame plate (14) is smaller than that of the lower frame plate (15), the upper frame plate (14) avoids the guide post (2), and soft cotton is sleeved outside the elastic vertical shaft (13).

5. The lamp panel test fixture according to claim 4, wherein a second spring is sleeved at the bottom of the guide post (2), the top of the second spring is in interference fit with the lower frame plate (15), and the mounting frame is provided with a shaft hole (16) for the guide post (2) to pass through.

6. The lamp panel test fixture according to claim 5, wherein a gap is formed in the rear portion of the base plate (12) to avoid the guide post (2), a positioning pin (17) is arranged on the side portion of the base plate (12), and a pin hole (18) matched with the positioning pin (17) is formed in the side portion of the lower frame plate (15).

7. The lamp panel test fixture of claim 1, wherein a lifting spindle (19) is disposed on an upper portion of the mounting frame, and a manual rocker (20) matched with the lifting spindle (19) is disposed on a top portion of the base (1).