CN216670195U

CN216670195U - Test carrier

Info

Publication number: CN216670195U
Application number: CN202123440853.1U
Authority: CN
Inventors: 龙志金; 林焕明
Original assignee: Huatong Precision Circuit Board Huizhou Co ltd
Current assignee: Huatong Precision Circuit Board Huizhou Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-03
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a test carrier, which is provided with a carrier plate. The middle of the support plate is fixedly connected with a base plate, two sides of the base plate are respectively and fixedly provided with a spring plate needle base plate, and the middle of the base plate is fixedly provided with a second micro pipe joint. The spring plate needle base plate is fixedly connected with a carrier adapter plate, the carrier adapter plate is fixedly connected with a spring plate installation module, and the spring plate installation module is fixedly connected with a spring plate needle fixing box. One the piece needle fixing box is fixedly connected with a second conductive cloth, the other piece needle fixing box is fixedly connected with a third conductive cloth, a first conductive cloth is fixedly arranged between the second conductive cloth and the third conductive cloth, and the first conductive cloth is fixedly connected with the base plate. The support plate is fixedly connected with a rubber shell, two pin holes are fixedly arranged on the rubber shell, a first groove is fixedly arranged on one side of the first conductive cloth, and a first micro pipe joint is fixedly connected to one side surface of the rubber shell.

Description

Test carrier

Technical Field

The utility model relates to the technical field of testing machines, in particular to a test carrier.

Background

In the manufacture of electronic devices, a large number of PCBs are used, and the PCBs of the products need to be tested in order to ensure the reliability of the products. The test fixture on the market aims at the test-free requirements of the same test product, the structure/framework between fixtures is different, so that the test results of different functions of the same product have deviation, and the probes are in hard contact with the PCB without buffering, so that the PCB or the probes are easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a test carrier which can accurately and quickly measure the parameters of a PCB and is accurate in positioning.

The technical scheme of the utility model is as follows:

a test carrier has a carrier plate; a base plate is fixedly connected in the middle of the carrier plate, a spring plate needle base plate is fixedly arranged on each of two sides of the base plate, and a second micro pipe joint is fixedly arranged in the middle of the base plate; the spring plate needle base plate is fixedly connected with a carrier adapter plate, the carrier adapter plate is fixedly connected with a spring plate mounting module, and the spring plate mounting module is fixedly connected with a spring plate needle fixing box; one of the elastic piece needle fixing boxes is fixedly connected with a second conductive cloth, the other elastic piece needle fixing box is fixedly connected with a third conductive cloth, a first conductive cloth is fixedly arranged between the second conductive cloth and the third conductive cloth, and the first conductive cloth is fixedly connected with the base plate; the support plate is fixedly connected with a rubber shell, two pin holes are fixedly arranged on the rubber shell, a first groove is fixedly arranged on one side of the first conductive cloth, and a first micro pipe joint is fixedly connected to one side surface of the rubber shell.

Preferably, the spring plate pin base plate electrically connects pins on the PCB chip to the adapter plate through spring plates.

Preferably, the test carrier corresponds to the upper mold, the upper mold has a plate, a first floating pressing block is fixedly arranged in the middle of the plate, a third floating pressing block is fixedly arranged on the left side of the first floating pressing block, a second floating pressing block is fixedly arranged on the right side of the first floating pressing block, and a second groove is fixedly arranged on the other side of the first floating pressing block; the plate is fixedly provided with two pins, two sides of the plate are fixedly connected with a transfer block, and the transfer block is fixedly connected with a plurality of probes.

Preferably, the first floating pressing block corresponds to the first conductive cloth, the second floating pressing block corresponds to the second conductive cloth, the third floating pressing block corresponds to the third conductive cloth, and the adapter block corresponds to the adapter plate.

Preferably, the test carrier comprises a test board, and the outline of the test board corresponds to the concave outlines in the first conductive cloth, the second conductive cloth and the third conductive cloth.

The utility model has the beneficial effects that:

(1) the points of the PCB to be detected are transferred to the adapter plate through the elastic sheet, the probe only needs to detect the adapter plate and does not need to be aligned to the detection points on the PCB, and the condition of firing pins cannot be caused.

(2) Through the first electrically conductive cloth, the second electrically conductive cloth with the recess of the electrically conductive cloth of third makes the product roughly fix a position, can go up unloading fast, through last mould corresponding first unsteady briquetting, the second unsteady briquetting with the third unsteady briquetting is with the product location accurate.

Description of the drawings:

FIG. 1 is a perspective view of a test carrier according to the present invention;

FIG. 2 is an exploded view of the test vehicle of the present invention;

fig. 3 is a perspective view of an upper mold corresponding to the test carrier of the present invention;

fig. 4 is a perspective view of the test carrier and top mold of the present invention.

Reference numerals

100. A test carrier; 101. a pin hole; 102. a first conductive cloth; 103. a second conductive cloth; 104. a third conductive cloth; 105. a clip needle fixing box; 106. a rubber shell; 107. the elastic sheet mounting module; 108. an adapter plate; 109. a carrier adapter plate; 110. a first micro tube joint; 111. a second micro tube joint; 112. a base plate; 113. a spring plate needle base plate; 114. a carrier plate; 115. a first groove; 200. an upper die; 201. a pin; 202. a probe; 203. a transfer block; 204. a third floating pressure block; 205. a first floating pressure block; 206. a second groove; 207. a second floating pressure block; 208. a plate block; 300. and (6) testing the board.

Detailed Description

In order to make the objects, technical solutions and technical effects of the present invention more apparent, the present invention will be further described with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, 2, 3 and 4, a test carrier 100 includes a pin hole 101, a first conductive cloth 102, a second conductive cloth 103, a third conductive cloth 104, a spring pin fixing box 105, a rubber case 106, a spring mounting module 107, an adaptor plate 108, a carrier adaptor plate 109, a first micro tube connector 110, a second micro tube connector 111, a base plate 112, a spring pin base plate 113, a carrier plate 114 and a first groove 115. The middle of the carrier plate 114 is fixedly connected with the base plate 112, the two sides of the base plate 112 are respectively and fixedly provided with the spring pin base plate 113, and the middle of the base plate is fixedly provided with the second micro tube joint 111. The spring plate needle base plate 113 is fixedly connected with the carrier adapter plate 109, the carrier adapter plate 109 is fixedly connected with the spring plate installation module 107, and the spring plate installation module 107 is fixedly connected with the spring plate needle fixing box 105. One of the strip needle fixing boxes 105 is fixedly connected to the second conductive cloth 103, the other strip needle fixing box 105 is fixedly connected to the third conductive cloth 104, the first conductive cloth 102 is fixedly arranged between the second conductive cloth 103 and the third conductive cloth 104, and the first conductive cloth 102 is fixedly connected to the base plate 112. The carrier plate 114 is fixedly connected to the rubber casing 106, two pin holes 101 are fixedly formed in the rubber casing 106, the first groove 115 is fixedly formed in one side of the first conductive fabric 102, and one side of the rubber casing 106 is fixedly connected to the first micro tube connector 110.

The test carrier 100 further includes a test board 300, and an outline of the test board 300 corresponds to the recessed outlines of the first conductive cloth 102, the second conductive cloth 103, and the third conductive cloth 104. The elastic sheet pin base plate electrically connects IO points on pins on the PCB chip to the interposer 108 through elastic sheets.

The test carrier 100 corresponds to an upper die 200, and the upper die 200 includes a pin 201, a probe 202, an adapter block 203, a third floating press block 204, a first floating press block 205, a second groove 206, a second floating press block 207, and a plate block 208. The first floating pressing block 205 is fixedly arranged in the middle of the plate 208, the third floating pressing block 204 is fixedly arranged on the left side of the first floating pressing block 205, the second floating pressing block 207 is fixedly arranged on the right side of the first floating pressing block 205, and the second groove 206 is fixedly arranged on the other side of the first floating pressing block. The plate 208 is fixedly provided with two pins 201, two sides of each pin are fixedly connected with the transfer block 203, and the transfer block 203 is fixedly connected with a plurality of probes 202.

The first floating pressing block 205 corresponds to the first conductive cloth 102, the second floating pressing block 207 corresponds to the second conductive cloth 103, the third floating pressing block 204 corresponds to the third conductive cloth 104, and the adapter block 203 corresponds to the adapter plate 108.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the present invention pertains, the architecture form can be flexible and varied without departing from the concept of the present invention, and a series of products can be derived. But rather a number of simple derivations or substitutions are made which are to be considered as falling within the scope of the utility model as defined by the appended claims.

Claims

1. A test carrier has a carrier plate; the device is characterized in that a base plate is fixedly connected in the middle of the carrier plate, elastic sheet needle base plates are fixedly arranged on two sides of the base plate respectively, and a second micro pipe joint is fixedly arranged in the middle of the base plate; the spring plate needle base plate is fixedly connected with a carrier adapter plate, the carrier adapter plate is fixedly connected with a spring plate mounting module, and the spring plate mounting module is fixedly connected with a spring plate needle fixing box; one of the elastic piece needle fixing boxes is fixedly connected with a second conductive cloth, the other elastic piece needle fixing box is fixedly connected with a third conductive cloth, a first conductive cloth is fixedly arranged between the second conductive cloth and the third conductive cloth, and the first conductive cloth is fixedly connected with the base plate; the support plate is fixedly connected with a rubber shell, two pin holes are fixedly arranged on the rubber shell, a first groove is fixedly arranged on one side of the first conductive cloth, and a first micro pipe joint is fixedly connected to one side surface of the rubber shell.

2. The test carrier of claim 1, wherein the pogo pin base plate electrically connects pins on the PCB chip to the interposer through pogo pins.

3. The test carrier of claim 1, wherein the test carrier corresponds to the upper mold, the upper mold has a plate, a first floating pressing block is fixed in the middle of the plate, a third floating pressing block is fixed on the left side of the first floating pressing block, a second floating pressing block is fixed on the right side of the first floating pressing block, and a second groove is fixed on the other side of the first floating pressing block; the plate is fixedly provided with two pins, two sides of the plate are fixedly connected with a transfer block, and the transfer block is fixedly connected with a plurality of probes.

4. The test carrier of claim 3, wherein the first floating pressure block corresponds to the first conductive cloth, the second floating pressure block corresponds to the second conductive cloth, the third floating pressure block corresponds to the third conductive cloth, and the adapter block corresponds to the adapter plate.

5. The test carrier of claim 1, wherein the test carrier comprises a test board, and the outline of the test board corresponds to the outline of the recess in the first conductive cloth, the second conductive cloth and the third conductive cloth.