TWI701977B - Circuit board testing device - Google Patents

Abstract

A circuit board testing device includes a fixed seat and a movable seat movable relative to the fixed seat. a coupling connector and a limiting column are arranged on the fixed seat. The movable seat is arranged on the fixed seat and a limiting hole is defined thereon, and the limiting column is inserted in the limiting hole, so that the movable seat is guided by the limiting column. A tested circuit board is stacked on the movable seat so that a connector thereof is coupled with the coupling connector. When an external force is applied to the movable seat, the movable seat will be moved with the tested circuit board away from the fixed seat, so that the connector is meanwhile detached from the coupling connector. Thereby, various tested circuit boards could be replaced quickly and the coupling connector is prevented from damage caused by replacing. Accordingly, the test cost is reduced.

Description

Circuit board testing device

The present invention is related to the testing of circuit boards, and particularly refers to a circuit board testing device that has the functions of quick replacement and protection of the circuit board to be tested.

Regarding circuit board testing, especially circuit board testing related to wafers, the circuit board to be tested must be stacked on the machine circuit board of the test machine, and the connector on the bottom of the circuit board to be tested must be connected to the machine circuit The butting connectors on the top surface of the board are pluggably connected to each other, so that the electronic components to be tested on the top surface of the circuit board to be tested can be tested.

After the test is over, the circuit board to be tested must be removed from the circuit board of the machine. However, because there are multiple pairs of connectors between the two circuit boards that are connected to each other, it is difficult to remove it smoothly. Every time it is damaged and the cost is two to three ten thousand new The circuit board to be tested in Taiwan dollars.

In order to protect the expensive circuit board to be tested, a protective frame is installed on one side of the circuit board to be tested, so that as long as force is applied to the protective frame when removing, it can be smoothly without damaging the circuit board to be tested. Remove the circuit board to be tested.

However, the protective frame is not easy to remove from the circuit board to be tested. It takes time and labor to remove the protective frame. As a result, each circuit board to be tested needs to be equipped with a protective frame. The cost of the protective frame is NT$50,000. The cost of circuit board testing remains high.

The object of the present invention is to provide a circuit board testing device, which can not only quickly replace different circuit boards to be tested, but also protect the circuit boards to be tested during replacement and avoid damage to the docking connector.

In order to achieve the above object, the present invention provides a circuit board testing device for a circuit board to be tested with a connector. The testing device includes: a fixing seat provided with a mating connector corresponding to the connector and fixed A plurality of limit posts are connected; and a movable seat, which is movably arranged on the fixed seat and is provided with a plurality of limit holes, each of the limit posts movably penetrates each of the limit holes, and the movable seat is based on each of the limit posts With respect to the fixed seat being displaced between a high place and a low place, the docking connector is exposed from the movable seat; wherein the movable seat is located at the low place, and the circuit board to be tested is arranged on the movable seat The connector is electrically connected to the mating connector; the movable seat carries the circuit board to be tested to the height through external force, and the connector is detached from the mating connector.

Compared with the prior art, the present invention has the following effects: not only can quickly replace different circuit boards to be tested, but also can protect the circuit boards to be tested during the replacement and avoid damage to the docking connector, thus reducing test costs and saving test costs. effect.

100: test device

1: fixed seat

11: fixed components

12: Fixing hole

13: first perforation

131: Strengthening sleeve

14: First opening

2: movable seat

21: recess

22: Limit hole

221: Class

23: second piercing

24: second opening

3: limit column

31: fixed end

32: convex

4: positioning column

41: Large diameter section

42: Trail section

5: Machine circuit board

51: Docking connector

6: Unloading tool

61: first acting arm

62: second arm

621: contact

800: machine

900: circuit board to be tested

901: surface to be tested

9: Connector

D: Top height distance

H: high place

L: Low

Figure 1 is a three-dimensional exploded view of the testing device of the present invention.

FIG. 2 is a perspective view of assembling the fixing base on the test assembly according to FIG. 1 according to the present invention.

FIG. 3 is a perspective view of the movable seat assembled on the fixed seat according to FIG. 2 according to the present invention.

FIG. 4 is a perspective view of assembling the circuit board to be tested on the movable seat according to FIG. 3 according to the present invention.

Figure 5 is a cross-sectional view of the test device of the present invention after being assembled.

Fig. 6 is a perspective view of the removal tool in the testing device of the present invention.

Figure 7 is a cross-sectional view of the testing device of the present invention before being removed from the circuit board to be tested.

8 is a cross-sectional view of the testing device of the present invention after the circuit board to be tested is removed.

The detailed description and technical content of the present invention are described as follows in conjunction with the drawings. However, the drawings are only provided for reference and description, and are not intended to limit the present invention.

As shown in FIG. 1, the present invention provides a circuit board testing device, which is mainly installed on a machine 800 of a testing machine for testing a circuit board 900 to be tested. The circuit board 900 has a connector 9 on the bottom surface.

As shown in Figures 1 to 5, the circuit board testing device of the present invention (hereinafter referred to as the testing device 100) includes: a fixed seat, a movable seat 2 and a plurality of limit posts 3, preferably further includes a plurality of positioning posts 4 and a machine台circuit board5. Wherein, the top surface of the machine circuit board 5 has a mating connector 51 corresponding to the connector 9.

The fixed base 1 is fixed on the machine circuit board 5 (see Figure 2), and the fixed base 1 is fixedly connected with a plurality of limit posts 3, and each limit post 3 is erected on the top surface of the fixed base 1 to facilitate guiding the movable base 2 displacement.

The movable seat 2 can be movably arranged on the fixed seat 1 (see Figure 3), and the movable seat 2 is provided with a plurality of limit holes 22 corresponding to the limit posts 3, so that the limit posts 3 can be inserted into the limit positions. In the hole 22, in other words, in this case, each limiting column 22 is only a simple column, and does not restrict the movable seat 2, so the movable seat 2 can be removed from the fixed seat 1. With the guidance of each limit post 22, the movable base 2 will be able to linearly shift between a high point H (see Figure 8) and a low point L (see Figure 7) relative to the fixed base 1, thereby ensuring the to-be-tested Quick disassembly of the circuit board 900.

The docking connector 51 can be exposed from the movable base 2 in various feasible structures. In this embodiment, the opening is used. For example, the fixed base 1 is provided with a first opening 14 corresponding to the docking connector 51. 2 is provided with a second opening 24 corresponding to the first opening 14 so that the docking connector 51 can correspond to the first opening 14 and the second opening 24 to be exposed from the movable seat 2.

Thereby, as shown in FIG. 5, when the movable base 2 is displaced to the lower position L in the direction close to the fixed base 1, the circuit board 900 to be tested is stacked on the movable base 2, and the connector 9 passes through the second opening 24 and the exposed docking connector 51 can be assembled and detached electrically, and then the top surface of the circuit board 900 to be tested (surface to be tested 901) can be tested as shown in Figure 4 or Figure 5; as shown in Figure 8 , When the movable seat 2 is moved to the height H with the circuit board 900 to be tested by external force in a direction away from the fixed seat 1, since the height H and the lower part L are separated from each other by a height distance D, use this height Distance D, the connector 9 will be able to detach from the docking connector 51 along the way. In this way, the effect of quickly disassembling different circuit boards 900 to be tested is achieved, and a protective frame is no longer required to be installed on each circuit board 900 to be tested as in the prior art, thereby reducing test costs and saving test costs.

It must be noted that each limit post 3 can be configured corresponding to the mating connector 51 to have a precise positioning effect, thereby ensuring that the connector 9 can accurately mating to the mating connector 51. For example, a part of the limiting post 3 can be surrounded or partially surrounded by a part of the docking connector 51, and another part of the limiting post 3 can be surrounded or partially surrounded by another part of the docking connector 51.

In order to prevent the movable seat 2 from detaching from the fixed seat 1, the part of the limit posts 3 away from the fixed seat 1 can be restricted by the limit holes 22, so that the movable seat 2 cannot be separated from the limit posts 3, thereby restricting movement The seat 2 will not detach from the fixed seat 1. In this embodiment, as shown in Figures 5 and 8, the upper end of the limiting post 3 away from the fixing seat 1 forms a convex portion 32 that expands laterally outward, and the lower end is a fixed end 31; The hole 22 is a level of perforation, and therefore has a level 221 convex inward from the inside of the hole. When assembling, each limiting post 3 first penetrates each limiting hole 22, and then is fixed to the fixing base 1 by a fixed end 31. In this way, when the movable seat 2 is located at the low position L as shown in FIG. 5, each convex portion 32 is far away from each level 221 and has a distance for the movable seat 2 to be displaced; when the movable seat 2 is displaced as shown in FIG. When the height H is high, each level 221 of the movable seat 2 will be blocked by the protrusions 32 to restrict the movable seat 2 from being separated from the fixed seat 1. As for the structure of the fixing seat 1 for fixing the limit post 3, as shown in the figure, the fixing seat 1 is provided with a plurality of fixing holes 12 corresponding to each limit hole 22, so that the fixed end 31 of the limit post 3 It is detachably fixed to the fixing hole 12 of the fixing base 1.

In order to allow the circuit board 900 to be tested driven by the movable base 2 to be guided while being driven, a plurality of positioning posts 4 can be fixed and protrude from the bottom surface of the circuit board 900 to be tested. The fixed base 1 and the movable base 2 are A plurality of first perforations 13 and a plurality of second perforations 23 corresponding to each other are respectively provided, and each first perforation 13 and each second perforation 23 corresponds to each positioning pillar 4. In this way, when the circuit board 900 to be tested is stacked on the movable base 2, each positioning column 4 will movably penetrate through each first through hole 13 and each second through hole 23, so that the movable base 2 can be simultaneously The guide of the limit posts 3 and the positioning posts 4 is displaced relative to the fixing base 1, so that the circuit board 900 to be tested can be guided by the positioning posts 4 and follow the displacement, thereby ensuring that the connector 9 can be accurately mated and docked. The connector 51 can also ensure the quick disassembly of the circuit board 900 to be tested.

In detail, the positioning pillar 4 has a large diameter section 41 and a small diameter section 42, and the large diameter section 41 is located between the small diameter section 42 and the bottom surface of the circuit board 900 to be tested. As shown in Figure 5, the outer diameter of the large diameter section 41 is adapted to the inner diameters of the first through hole 13 and the second through hole 23, so that the large diameter section 41 can be slidably inserted into the second through hole 23 (or can be Slidingly inserted into the second perforation 23 and the partial first perforation 13, not shown in the figure, the small diameter section 42 extends into the first perforation 13 (or extends into the first perforation 13 and the partial first perforation 13). Inside the two perforations 23, not shown in the figure).

In order to ensure that the second perforation 23 (or the first perforation 13 and the second perforation 23) will not be worn out by the positioning column 4, the inner structure of the hole can be strengthened. In this embodiment, each first perforation 13 is inherently sheathed. Strengthen the sleeve 131, and make a part of the strengthened sleeve 131 protrude from the first through hole 13, and the protruding part of each strengthened sleeve 131 is movably sleeved in each second through hole 23, and the circuit board to be tested The positioning posts 4 on the 900 are movably inserted into the strengthening sleeves 131. It must be noted that the outer diameter of the aforementioned large-diameter section 41 is adapted to the inner diameter of the hollow portion of the strengthening sleeve 131, so that the large-diameter section 41 can be slidably inserted into the strengthening sleeve 131, and the aforementioned small diameter The diameter section 42 extends into the strengthening sleeve 131. The strengthening sleeve 131 can be made of wear-resistant materials such as metal.

The present invention does not limit the number of connectors 9 and mating connectors 51. When it is desired to expose the mating connectors 51 through the aforementioned openings, a large opening can correspond to many mating connectors 51 in a common area. In this embodiment In the middle, an opening is used to connect the connector 51, as shown in the figure. A first opening 14 and a second opening 24 jointly correspond to a mating connector 51. Moreover, the mating connectors 51 are arranged in at least one array on the top surface of the fixing base 1. As shown in FIG. 1, they are arranged in two identical or symmetrical arrays to facilitate the use of different circuit boards under test, for example : The circuit board A to be tested uses the left-row docking connector 51 in Figure 1 and the circuit board B to be tested uses the right-row docking connector 51 in Figure 1.

In other embodiments not shown in the drawings, the structure in which the limit post 3 is fixed to the fixing base 1 may be that one end of the limit post 3 is integrally formed on the fixing base 1. When the limit post 3 is required to limit When the movable seat 2 is not detached, the separate convex portion 32 can be assembled on the other end of the limiting column 3 by processing and assembling. In addition, the aforementioned fixing base 1 may also be a machine circuit board 5, so the fixing base 1 itself is already electrically configured with a mating connector 51, and in this embodiment, the fixing base 1 does not need to have the aforementioned first opening 14. The docking connector 51 electrically arranged on the fixing base 1 is only exposed through the second opening 24. In other words, the test device 100 of the present invention only includes: the positioning column 4, the limiting column 3, and the movable Base 2 and fixed base 1 modified from the circuit board of the machine.

As for the fixing of the fixing base 1, the fixing base 1 can be fixed to the machine circuit board 5 by a plurality of fixing elements 11 (such as screws or rivets, etc.) as shown in FIG. 1, or the fixing base 1 can be passed through the machine circuit The board 5 is fixed on the machine table 800.

As shown in FIGS. 6 to 8, in addition, the testing device 100 of the present invention may further include at least one unloading tool 6, or may also include a unloading mechanism not shown in the figure. As for the movable seat 2 adjacent to the fixed seat The bottom surface of 1 can be recessed with a plurality of recesses 21 for detachment. Taking the release tool 6 as an example, the user operates the release tool 6 to extend into and abut against the bottom surface of the movable seat 2 corresponding to the recess 21, and use the fixed seat 1 as a fulcrum (see FIG. 8) to act like a seesaw. The movable seat 2 is raised to the height H. In this embodiment, the effective arm of the removal tool 6 is supported on the periphery of the fixed base 1, and the two ends of the effective arm are respectively provided for the user to apply force and the corresponding recess 21 to extend into, and the effective arm preferably includes a first The acting arm 61 and the two second acting arms 62 diverged from one end of the first acting arm 61, the arm end of each second acting arm 62 has an abutting portion for extending into the recess 21 and abutting against the bottom surface of the movable seat 2 621.

Taking the unloading mechanism as an example, it can be any machine that does not require the user's force, and the unloading mechanism can drive a structure similar to the unloading tool 6 to lift the movable seat 2.

The effect that can be achieved by the present invention: it can quickly replace the circuit board 900 to be tested for different, and can protect the circuit board 900 to be tested and avoid damage to the docking connector 51 during the replacement, thereby having the effect of reducing test costs and saving test costs .

In summary, the circuit board testing device of the present invention can indeed achieve the intended purpose of use and solve the deficiencies of the existing technology. It is indeed novel and progressive, and meets the requirements for invention patent applications. Please apply in accordance with the Patent Law. Investigate and grant the patent in this case to protect the rights of the inventor.

The above are only the preferred and feasible embodiments of the present invention, and are not limited to the scope of the present invention. Any equivalent structural changes made by using the description and drawings of the present invention are all included in the present invention. Within the scope of the rights, he shall be Chen Ming.

100: test device

1: fixed seat

12: Fixing hole

13: first perforation

131: Strengthening sleeve

2: movable seat

21: recess

22: Limit hole

221: Class

23: second piercing

3: limit column

31: fixed end

32: convex

4: positioning column

41: Large diameter section

42: Trail section

5: Machine circuit board

800: machine

900: circuit board to be tested

901: surface to be tested

L: Low

Claims (10)

A circuit board test device for a circuit board to be tested with a connector, the test device comprising: a fixing seat provided with a mating connector corresponding to the connector and fixedly connected with a plurality of limit posts; and a The movable seat is movably arranged on the fixed seat and is provided with a plurality of limit holes, each of the limit posts movably penetrates through each of the limit holes, and the movable seat is at a height relative to the fixed seat according to each limit post. The butt connector is exposed from the movable seat, and the part of each of the limit posts away from the fixed seat is limited by the limit holes and the movable seat cannot be maintained from the limit posts. Detached; wherein the movable seat is located at the low position, the circuit board to be tested is arranged on the movable seat, and the connector is electrically connected to the docking connector; the movable seat carries the circuit to be tested through external force The board is displaced to the height, and the connector is detached from the mating connector. The circuit board testing device according to claim 1, wherein the fixing base is a machine circuit board. The circuit board testing device according to claim 1, further comprising a machine circuit board, the machine circuit board has the docking connector, the fixing base is fixed on the machine circuit board and is provided with a first opening, the The movable seat is provided with a second opening corresponding to the first opening, and the mating connector corresponds to the first opening and the second opening is exposed from the movable seat. The circuit board testing device according to claim 1, wherein each of the limiting holes is a layered perforation having a layer, and a portion of each of the limiting posts away from the fixing seat forms a convex portion, and the layer is affected by the Protruding stop. The circuit board testing device according to claim 1, further comprising a plurality of positioning posts, the fixed base and the movable base are respectively provided with a plurality of first perforations and a plurality of second perforations corresponding to each other, each of the positioning posts is fixed Fixed on the circuit board to be tested, each positioning post is movably inserted through each of the first through holes and each of the second through holes, and the movable seat is fixed relative to each of the limit posts and each of the positioning posts. Seat displacement. The circuit board test device according to claim 5, wherein each of the positioning posts has a large diameter section and a small diameter section, the large diameter section is located between the small diameter section and the circuit board to be tested, and the large diameter section The outer diameter of the diameter section is adapted to the inner diameter of the first perforation and the second perforation, and the large diameter section is slidably inserted into the second perforation or slidably inserted into the second perforation and In the partial first perforation, the small diameter section extends into the first perforation or into the first perforation and the partial second perforation. The circuit board testing device according to claim 5, wherein each of the first through holes is also sheathed with a strengthening sleeve, and each of the second through holes is movably sleeved with each of the strengthening sleeves protruding from each A part of the first perforation, each of the positioning pillars movably penetrates into each of the strengthening sleeves. The circuit board test device according to claim 7, wherein each of the positioning posts has a large diameter section and a small diameter section, the large diameter section is located between the small diameter section and the circuit board to be tested, and the large diameter section The outer diameter of the diameter section is adapted to the inner diameter of the hollow part of the strengthening sleeve, the large diameter section is slidably inserted into the strengthening sleeve, and the small diameter section extends into the strengthening sleeve. The circuit board testing device according to claim 1, further comprising at least one removal tool, a surface of the movable seat adjacent to the fixed seat is recessed with a plurality of recesses, and the removal tool corresponds to the recess and contacts with the fixed seat. The seat is a fulcrum and the movable seat is lifted to the height. The circuit board testing device according to claim 1, wherein the mating connectors are arranged in a plurality, the plurality of mating connectors are arranged in at least one array on the fixing base, and each mating connector is electrically connected to each of the connections Device.

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