Testing device

Abstract

The utility model discloses a testing device, which relates to the technical field of testing jigs and comprises a supporting seat, a limiting part and a loading part. The bearing seat is provided with a bearing part; the limiting part is arranged on the bearing part; the loading part is used for mounting a to-be-tested piece, the loading part can be detachably mounted on the bearing part, and the limiting part is used for limiting and fixing the loading part. Wherein a plurality of loading parts are arranged, the specifications of at least two loading parts are set to be different, and the limiting parts can be movably mounted, so that different loading parts and the bearing seat can form different test combinations. According to the invention, the loading part is detachably installed, different test combinations are formed by replacing the loading part on the bearing seat, installation of different to-be-tested pieces is completed, installation of the to-be-tested pieces is realized, the cost is reduced, and the problem of relatively high production and manufacturing cost is improved on the whole.

Description

TECHNICAL FIELD

[0001] The utility model relates to test fixture technical field, especially a test device. BACKGROUND

[0002] Some to be tested members, such as board card, including PCB board (also called printed circuit board), after the PCB board passes on piece or plug-in, forms PCBA (Printed Circuit Board Assembly), and PCBA refers to a kind of printed circuit board assembly.The PCBA of plug-in needs to be tested by test device to test electrical performance, because the speed of electronic product renewal iteration is very fast, many PCBA test devices need to be made and applied to manufacturing test, and independent test device is often needed to be made according to each test machine type, which improves production manufacturing cost. UTILITY MODEL CONTENT

[0003] The utility model discloses a test device, which aims to improve the problem of high production manufacturing cost.

[0004] To achieve the above-mentioned purpose, the test device provided by the utility model comprises:

[0005] The supporting seat has a supporting part.

[0006] The limiting part is arranged on the supporting part.

[0007] The loading part is used to mount the to-be-tested member, and the loading part can be detachably mounted on the supporting part.

[0008] Among them, the loading part is provided with multiple loading parts, and the specifications of at least two loading parts are different.

[0009] In an embodiment, the test device further comprises a detection assembly, and the detection assembly comprises a detection probe arranged on the top side of the loading part.

[0010] In an embodiment, the detection assembly further comprises a mounting plate, and the mounting plate is movably mounted relative to the supporting seat in the up-down direction.

[0011] The detection probe is provided with at least one detection probe, and the detection probe is used for electrical connection detection instrument.

[0012] In an embodiment, the testing device further comprises a limiting assembly having a clamping arm connected to the mounting plate.

[0013] The clamping arm has a stroke in the up-down direction to be fixed to the supporting seat after moving to a preset position under the action of an external force.

[0014] In an embodiment, the testing device further comprises a guiding structure comprising a guiding rod and a guiding hole, one of which is arranged on the mounting plate and the other of which is arranged on the supporting seat.

[0015] In an embodiment, the testing device further comprises at least one testing pressure rod, at least one of which is movably arranged on the mounting plate, and at least one of which is used to press the to-be-tested piece on the loading part.

[0016] In an embodiment, the mounting plate has a plurality of first insertion holes for inserting and mounting the detection probe; and / or,

[0017] The mounting plate has a plurality of second insertion holes, and the testing device further comprises at least one testing pressure rod, and the second insertion holes are used for inserting and mounting the testing pressure rod; and / or,

[0018] The mounting plate is provided with a reinforcing member.

[0019] In an embodiment, the loading part is electrically connected with a testing lead, and the loading part is used to supply power to the to-be-tested piece.

[0020] In an embodiment, the supporting part is located on the top side of the supporting seat, a wiring channel is formed in the supporting seat, the outlet of the wiring channel is arranged on the top side of the supporting seat, the inlet of the wiring channel is arranged on the circumferential side of the supporting seat, and the testing lead is at least partially located in the wiring channel.

[0021] In an embodiment, the circumferential side of the supporting seat is provided with a testing adapter, and one end of the testing lead is mounted on the testing adapter.

[0022] The technical solution of this utility model allows for the detachable installation of the loading part. After completing the test of one type of test piece, when a new type of test piece needs to be tested, the old loading part can be removed from the support and the new loading part can be installed on the support to form a new test assembly, thus completing the installation of the new type of test piece. This application forms different test combinations by replacing the loading part on the support, thereby completing the installation of different test pieces. By replacing the loading part, the installation of the test piece is achieved, reducing costs and improving the overall problem of high production and manufacturing costs. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0024] Figure 1 A schematic diagram of the structure of an embodiment of the testing device provided by this utility model;

[0025] Figure 2 for Figure 1 A schematic diagram of a partial structure in the testing device;

[0026] Figure 3 for Figure 1 A partial structural diagram of the detection component in the testing device;

[0027] Figure 4 for Figure 1 A schematic diagram of a partial explosion of the test device.

[0028] Explanation of icon numbers:

[0029] 1. Support base; 11. Support section; 12. Cable routing channel; 121. Cable inlet; 122. Cable outlet; 13. Test adapter; 2. Limiting section; 3. Loading section; 31. Test lead wire; 4. Detection assembly; 41. Detection probe; 42. Mounting plate; 421. First insertion hole; 422. Second insertion hole; 423. Reinforcing component; 4231. Through hole; 5. Test pressure bar; 6. Limiting assembly; 61. Clamping arm; 7. Top plate; 71. Support plate; 72. Bolt; 73. Second reinforcing plate; 8. Guide structure; 81. Guide rod; 82. Guide hole.

[0030] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0032] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0033] In addition, if the embodiments of the present application involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0034] Some test objects, such as board cards, including PCB boards (also known as printed circuit boards), after the PCB boards pass through the feeding or inserting, form PCBA (Printed Circuit Board Assembly), PCBA refers to a kind of printed circuit board assembly. The PCBA with inserted components needs to be tested by a testing device for electrical performance, because the speed of updating and iteration of electronic products is very fast, many PCBA testing devices need to be made for manufacturing test, and independent testing devices are often needed to be made according to each type of test machine, which prolongs the time required for production, and increases the production cost.

[0035] The present application provides a testing device.

[0036] Please refer to Figure 1 and Figure 2In an embodiment of the utility model, this test device includes support seat 1, limiting portion 2 and loading portion 3. The support seat 1 has support portion 11, the limiting portion 2 is located on the support portion 11, the loading portion 3 is used to install the test piece, the loading portion 3 can be detachably installed on the support portion 11, and the limiting portion 2 is used to limit and fix the loading portion 3. Wherein, the loading portion 3 is provided with multiple, and the specification of at least two loading portions 3 is different, and the limiting portion 2 can be movably installed, so that different loading portions 3 can form different test combinations with the support seat 1.

[0037] The utility model discloses a technical scheme, through the detachable installation of loading portion 3, after completing the test of a test piece, and when needing to test a new test piece, the old loading portion 3 can be removed from the support seat 1, and the new loading portion 3 is installed on the support seat 1 to form a new test assembly, and the installation of the new test piece is completed, and the loading portion 3 on the support seat 1 is replaced in the application, different test combinations are formed, the installation of different test pieces is completed, the installation of the test piece is realized through the replacement of loading portion 3, the cost is reduced, and the problem of high production manufacturing cost is improved as a whole.

[0038] The support seat 1 is horizontally placed, the support portion 11 is the top side of the support seat 1, the test piece is a plate in the embodiment of the application, specifically, the test piece can be a plastic plate or a PCB board with inserts. A placing groove for accommodating the corresponding test piece is formed on the top side of the loading portion 3.

[0039] The limiting portion 2 is provided with multiple on the support portion 11, and preferably four limiting portions 2 in the embodiment of the application, the four limiting portions 2 are respectively arranged at the four corners of the loading portion 3, and the stability of the fixation of the loading portion 3 is improved. The limiting portion 2 includes a lock catch, and by changing the position of the lock catch on the support portion 11, the loading portion 3 of different specifications can be fixed conveniently.

[0040] Please refer to Figure 1 、 Figure 2 and Figure 3 , the test device further includes a detection assembly 4, the detection assembly 4 includes a detection probe 41 arranged on the top side of the loading portion 3, the detection probe 41 is movably installed relative to the support seat 1 along the up-down direction, and is used to contact the test piece. When the detection probe 41 is raised to the appropriate position, the test piece can be conveniently installed on the loading portion 3, the detection probe 41 is controlled to descend, and when the detection probe 41 contacts the test piece, the detection probe 41 can detect the test piece.

[0041] In order to adapt to different to-be-tested pieces, the detection assembly 4 can be installed in a detachable manner, and when different to-be-tested pieces need to be tested, the detection assembly 4 can be replaced to adapt to different to-be-tested pieces.

[0042] In an embodiment of the present application, the detection assembly 4 further comprises a mounting plate 42 movably mounted relative to the support seat 1 in the up-down direction; the detection probe 41 is provided in at least one, and the detection probe 41 is used for electrical connection detection instrument, at least one detection probe 41 can be detachably mounted on the mounting plate 42, so that different numbers and / or positions of the detection probe 41 can be combined with the mounting plate 42.

[0043] When different to-be-tested pieces need to be tested, the number and position of the detection probe 41 on the mounting plate 42 can be adjusted without replacing the mounting plate 42, so that the detection assembly 4 adapts to new to-be-tested pieces to complete the detection of new to-be-tested pieces; specifically, the detection assembly 4 realizes the adaptation to to-be-tested pieces within a certain size, and the cost of the testing device is reduced.

[0044] The mounting plate 42 is preferably a transparent acrylic plate in the embodiment of the present application, which facilitates observation of the loading part 3 through the mounting plate 42 on the upper side.

[0045] In the embodiment of the present application, the mounting plate 42 is horizontally arranged to maximize the orthogonal projection of the mounting plate 42 on the horizontal plane. When different to-be-tested pieces are installed in the support seat 1, the to-be-tested regions of different to-be-tested pieces are located within the projection of the mounting plate 42, and by changing the detection probe 41 on the mounting plate 42, the detection assembly 4 can be adapted to the corresponding to-be-tested pieces, so that the testing device can test to-be-tested pieces within a certain size.

[0046] The mounting plate 42 has a plurality of first jacks 421 for plug-in installation of the detection probe 41, and the detection probe 41 can be conveniently installed and removed when the detection probe 41 is changed.

[0047] Please refer to Figure 1 and Figure 3 , the testing device further comprises at least one test pressure rod 5, and at least one test pressure rod 5 is movably arranged on the mounting plate 42, and at least one test pressure rod 5 is used to press and hold the to-be-tested piece on the loading part 3. When the mounting plate 42 descends, the test pressure rod 5 descends and presses and holds the to-be-tested piece on the loading part 3, and the test pressure rod 5 and the loading part 3 cooperate to realize clamping and fixing of the to-be-tested piece.

[0048] The mounting plate 42 has a plurality of second insertion holes 422, and the test device further comprises at least one test pressure bar 5, and the second insertion holes 422 are used for plug-in mounting of the test pressure bar 5. Through the second insertion holes 422, the number and position of the test pressure bar 5 can be conveniently adjusted, so that the test pressure bar 5 is pressed on the appropriate position of the to-be-tested piece.

[0049] In the embodiment of the application, the sizes of the second insertion holes 422 and the first insertion holes 421 are consistent, which can facilitate to improve the universality of the installation of the test pressure bar 5 and the detection probe 41.

[0050] The mounting plate 42 is provided with a reinforcing member 423. Through the reinforcing member 423, the mounting plate 42 is reinforced, and when the test pressure bar 5 and the test probe contact the to-be-tested piece, the bending deformation of the mounting plate 42 can be reduced.

[0051] The reinforcing member 423 can be a reinforcing rib provided on the mounting plate 42, and a plurality of reinforcing ribs are sequentially and spacedly arranged. The plurality of reinforcing ribs are parallel, and the arrangement direction of the plurality of reinforcing ribs is perpendicular to the length direction of the reinforcing rib. The plurality of reinforcing ribs are matched, which can effectively improve the strength of the mounting plate 42.

[0052] Preferably, the reinforcing member 423 is provided as a first reinforcing plate, the first reinforcing plate is fixedly installed at the center of the top side of the mounting plate 42, and the first reinforcing plate is parallel to the mounting plate 42. Further, the first reinforcing plate is provided with a through hole 4231 corresponding to the first insertion hole 421 and the second insertion hole 422, and the through hole 4231 is used for the top end of the detection probe 41 and the test pressure bar 5 to pass through.

[0053] Please refer to Figure 1 , Figure 2 and Figure 3 , the test device further comprises a limiting assembly 6, the limiting assembly 6 has a clamping arm 61 connected to the mounting plate 42; the clamping arm 61 has a stroke moving in the up-down direction, so as to move to a preset position under the action of external force and be fixed to the supporting seat 1. After the clamping arm 61 moves to the preset position, the detection probe 41 and the test pressure bar 5 can contact the to-be-tested piece, and the clamping arm 61 is locked, so that the detection probe 41 and the test pressure bar 5 are locked, so that the detection probe 41 and the test pressure bar 5 are stably resisted on the to-be-tested piece.

[0054] The limiting assembly 6 in the embodiment of the application is a quick clamp, and the limiting assembly 6 can also be any existing device.

[0055] Please refer to Figure 1 and Figure 4 The clamping arm 61 is fixedly installed on the top side of the first reinforcing plate, and the top side of the test device has a top plate 7, and the support plates 71 are fixedly connected between the top plate 7 and the support seat 1, and the support plates 71 are provided in two, and the two support plates 71 are located on opposite sides of the top plate 7, respectively. Through the two support plates 71, the support and fixation of the top plate 7 are realized. The top plate 7 is provided with a bolt 72, and the bolt 72 is fixedly installed on the top plate 7. The second reinforcing plate 73 is fixedly installed on the top plate 7, and the second reinforcing plate 73 improves the structural strength of the top plate 7.

[0056] Please refer to Figure 1 , Figure 2 and Figure 3 In order to ensure the stability of the lifting of the detection assembly 4, the test device further comprises a guide structure 8, and the guide structure 8 comprises a guide rod 81 and a guide hole 82. One of the guide rod 81 and the guide hole 82 is arranged on the mounting plate 42, and the other is arranged on the support seat 1.

[0057] When the mounting plate 42 moves up and down, the guide rod 81 and the guide hole 82 can realize the guidance of the lifting of the mounting plate 42, and the stability of the lifting of the mounting plate 42 is improved.

[0058] In the embodiment, the bottom end of the guide rod 81 is fixedly installed on the support portion 11, the top end of the guide plate is fixedly connected with the top plate 7, and the guide hole 82 is arranged on the mounting plate 42. The guide rod 81 is provided in a plurality of, and the plurality of guide rods 81 are located on one side of the support portion 11, so that the to-be-tested piece can be placed on the loading portion 3 from the other side. Specifically, the guide column is provided with four. The guide structure 8 can also be any structure that can realize vertical guidance.

[0059] The detection probe 41 comprises a pressure detection probe 41 for detecting pressure by contacting the to-be-tested piece. By selecting the detection probe 41 as the pressure detection probe 41 and setting the detection instrument as the pressure detection instrument, when the pressure detection probe 41 descends with the mounting plate 42, the pressure detection probe 41 can abut against the to-be-tested piece. The to-be-tested piece can be a plastic plate. Specifically, the pressure detection probe 41 abuts against the to-be-measured point of the to-be-tested piece, and the bearing pressure and the deformation amount of the corresponding to-be-measured point of the to-be-tested piece can be detected, so as to test the pressure resistance of the to-be-tested piece.

[0060] The detection probe 41 includes a conductive detection probe 41 for electrically connecting with a conductive part provided on the to-be-tested piece. When the detection probe 41 is provided as the conductive detection probe 41, the tester can be a multimeter, and when the to-be-tested piece is a PCBA, the conductive detection probe 41 can detect the point position at the position where the conductive detection probe 41 contacts by being powered to the to-be-tested piece and then being controlled to descend and contact the to-be-tested piece, so as to realize detection of the to-be-tested piece.

[0061] Please refer to Figure 1 and Figure 2 The loading part 3 is electrically connected with a test lead 31, and the loading part 3 is used for powering the to-be-tested piece. The upper side of the loading part 3 is provided with a power supply connector, and through the power supply connector, the loading part 3 can be electrically connected with the to-be-tested piece when the to-be-tested piece is installed on the corresponding loading part 3, and the loading part 3 can power the to-be-tested piece. The test lead 31 can realize power supply of the loading part 3.

[0062] In order to reduce the exposure of the test lead 31 and improve the safety of the test lead 31, the supporting part 11 is located on the top side of the supporting seat 1, the supporting seat 1 is formed with a wire channel 12, the wire outlet 122 of the wire channel 12 is arranged on the top side of the supporting seat 1, the wire inlet 121 of the wire channel 12 is arranged on the circumferential side of the supporting seat 1, and the test lead 31 is at least partially located in the wire channel 12.

[0063] After the to-be-loaded part 3 is installed on the supporting part 11, part of the test lead 31 can be hidden in the wire channel 12, the exposure of the test lead 31 is reduced, the test lead 31 at the bottom side of the loading part 3 can be placed in the wire channel 12 through the wire inlet 121 of the wire channel 12, and the interference between the test lead 31 and the bottom side of the loading part 3 can be reduced.

[0064] The circumferential side of the supporting seat 1 is provided with a test adapter 13, and one end of the test lead 31 is installed on the test adapter 13. Through the test adapter 13, power supply of the test lead 31 can be realized, and the length required by the test lead 31 is reduced.

[0065] The above only describes exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A test device, characterized by The test device comprises: a supporting seat having a supporting part; a limiting part arranged on the supporting part; and a loading part for mounting a test object, the loading part being detachably mounted on the supporting part, and the limiting part being used for limiting and fixing the loading part; wherein a plurality of loading parts are arranged, at least two of which have different specifications, and the limiting part is movably mounted so as to form different test combinations with the supporting seat. The test device further comprises a detection assembly, which comprises a detection probe arranged on the top side of the loading part, and the detection probe is movably mounted relative to the supporting seat in the up-down direction so as to contact the test object.

2. The test device of claim 1, wherein, The detection assembly further comprises a mounting plate, which is movably mounted relative to the supporting seat in the up-down direction.

3. The test device of claim 2, wherein, The detection probe is arranged in at least one, and the detection probe is used for electrical connection detection instrument, at least one detection probe can be detachably mounted on the mounting plate, so that different numbers and / or positions of the detection probe can be combined with the mounting plate. The test device further comprises a limiting assembly, which has a clamping arm connected to the mounting plate.

4. The test device of claim 3, wherein, The clamping arm has a stroke movably arranged in the up-down direction, and after moving to a preset position under the action of an external force, it is fixed to the supporting seat. The test device further comprises a guide structure, which comprises a guide rod and a guide hole, one of which is arranged on the mounting plate, and the other is arranged on the supporting seat.

5. The test device of claim 3, wherein, The test device further comprises at least one test pressure rod, at least one of which is movably arranged on the mounting plate, and at least one of which is used for pressing the test object on the loading part.

6. The test device of claim 3, wherein, The mounting plate has a plurality of first jacks, which are used for plug-in mounting of the detection probe; and / or 7. The test device of claim 3, wherein, The mounting plate has a plurality of second jacks, and the test device further comprises at least one test pressure rod, and the second jacks are used for plug-in mounting of the test pressure rod; and / or The mounting plate is provided with a reinforcing member. The loading part is electrically connected with a test lead, and the loading part is used for power supply to the test object.

8. The test device of claim 2, wherein, The supporting part is located on the top side of the supporting seat, a wire channel is formed in the supporting seat, the wire outlet of the wire channel is arranged on the top side of the supporting seat, the wire inlet of the wire channel is arranged on the circumferential side of the supporting seat, and the test lead is at least partially located in the wire channel.

9. The test device of claim 8, wherein, The circumferential side of the supporting seat is provided with a test adapter, and one end of the test lead is mounted on the test adapter.

10. The test device of claim 8, wherein, ​

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