CN212514892U - Quick testing arrangement of alarm circuit board electrical property - Google Patents
Quick testing arrangement of alarm circuit board electrical property Download PDFInfo
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- CN212514892U CN212514892U CN202020875268.0U CN202020875268U CN212514892U CN 212514892 U CN212514892 U CN 212514892U CN 202020875268 U CN202020875268 U CN 202020875268U CN 212514892 U CN212514892 U CN 212514892U
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- electrical property
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Abstract
The utility model discloses a quick testing arrangement of burglar alarm circuit board electrical property, the top of electrical property tester (4) board sets firmly many guide posts I (6), guide post I (6) set up in the both sides of test head (5), be provided with fly leaf (7) between the guide post I (6), the cover has spring (8) on guide post I (6), and the one end of spring (8) sets firmly on the board, and the other end sets firmly on fly leaf (7); the top of the movable plate (7) is provided with a sunk groove (9), the outline of the sunk groove (9) is the same as that of the substrate (1) of the anti-theft device circuit board, the bottom of the sunk groove (9) is provided with a through groove (10) which is positioned right above the test head (5), and a shoulder is formed between the through groove (10) and the sunk groove (9). The utility model has the advantages that: compact structure, improved electrical performance test efficiency, prevention of circuit board from falling off from the test head, and simple operation.
Description
Technical Field
The utility model relates to a technical field of alarm circuit board electrical property test, especially a quick testing arrangement of alarm circuit board electrical property.
Background
The core component in the burglar alarm is a circuit board, the circuit board comprises a substrate (1) and electronic elements (such as capacitors, batteries and the like) welded on the bottom surface of the substrate (1), the support legs of the electronic elements (2) are welded with the substrate (1) to form welding points (3), and the welding points (3) are located on the top surface of the substrate (1). After the soldering is finished, an electrical property tester is required to test the electrical properties, such as resistance, of all the soldering points, wherein a plurality of testing heads corresponding to the soldering points are arranged on the top of the electrical property tester. The existing method for testing the electrical property of the circuit board is that a worker contacts each welding spot on the circuit board with each testing head on an electrical property tester respectively, and after the contact, the worker can read the resistance value of the welding spot on the electrical property tester, thereby realizing the test of the electrical property of the circuit board.
However, although this test method can test the electrical performance of the circuit board, the following drawbacks still exist: I. when testing. The welding points (3) are positioned on the lower surface of the circuit board, the sight is shielded by the circuit board, therefore, workers need a long time to correspondingly contact the welding points (3) with the top surface of each test head, and the electrical performance test efficiency of the circuit board is undoubtedly reduced. 2. In the testing process, the contact surface between the welding point and the testing head is small, if the electrical property tester moves or vibrates due to external reasons, the tested circuit board falls off from the testing head and needs to be carried out again, which undoubtedly increases the labor intensity of workers. Therefore, there is a need for a rapid electrical performance testing apparatus that can improve the electrical performance testing efficiency and prevent the circuit board from falling off the test head.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a compact structure, improve electrical property efficiency of software testing, prevent that circuit board from coming off, easy operation's quick testing arrangement of burglar alarm circuit board electrical property from the test head.
The purpose of the utility model is realized through the following technical scheme: a rapid testing device for electrical property of a circuit board of an anti-theft device comprises an electrical property tester and a plurality of testing heads arranged at the top of the electrical property tester, wherein the testing heads correspond to welding spots on the circuit board of the anti-theft device; the top of the movable plate is provided with a sinking groove, the outline of the sinking groove is the same as that of the substrate of the burglar alarm circuit board, the bottom of the sinking groove is provided with a through groove positioned right above the test head, and a shoulder is formed between the through groove and the sinking groove; still set firmly the support on electrical property tester's the board, set firmly the riser that is located directly over the activity board on the support, the riser terminal surface has from top to bottom set firmly hinge seat and axle sleeve, it has the connecting rod A of upwards buckling to articulate on the hinge seat, slidable mounting has the movable rod of vertical setting in the axle sleeve, the axle sleeve setting is all run through at the both ends of movable rod, the upper end of movable rod articulates there is connecting rod B, connecting rod B's the other end articulates on connecting rod A, the lower tip of movable rod has set firmly the clamp plate, the clamp plate is located directly over the activity board and is on a parallel with the activity board setting, the bottom of clamp plate has set firmly at least three pressure head, the pressure.
The top of electrical property tester board sets firmly two guide posts II, and two guide posts II are located the outside of guide post I.
Two guide holes II matched with the guide posts II are formed in the pressing plate, and the pressing plate is slidably mounted on the guide posts II through the cooperation of the guide holes II and the guide posts II.
The bottom of clamp plate sets firmly three pressure head, and three pressure head is triangle-shaped and sets up.
The top of the connecting rod A is fixedly provided with a handle.
The guide posts I comprise four guide posts I, and the four guide posts I surround to form a square.
The pressure head, the movable plate and the pressure plate are plastic parts.
The utility model has the advantages of it is following:
the utility model discloses an outline of base plate equals with the outline of heavy groove, consequently after placing the base plate on the circular bead, can directly ensure solder joint and test head and correspond from top to bottom to shortened the positioning time of solder joint, and then very big improvement the efficiency of software testing of alarm circuit board electric property.
In the testing process, all welding points on the substrate are always contacted with the testing head under downward pressure, so that the tested burglar alarm circuit board can not fall off from the testing head due to the movement or vibration of the electrical property tester, and the sequential operation of the electrical properties of the welding points is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a circuit board of an anti-theft device;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a view taken along line A of FIG. 3;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a bottom view of the platen;
FIG. 7 is a schematic structural view of a connecting rod A;
FIG. 8 is a schematic structural diagram of a tooling burglar alarm circuit board;
FIG. 9 is a schematic view of testing electrical properties of a solder joint;
in the figure, 1-substrate, 2-electronic element, 3-welding point, 4-electrical property tester, 5-test head, 6-guide post I, 7-movable plate, 8-spring, 9-sink groove, 10-through groove, 11-bracket, 12-vertical plate, 13-hinge base, 14-shaft sleeve, 15-connecting rod A, 16-movable rod, 17-connecting rod B, 18-pressing plate, 19-pressing head, 20-guide post II, 21-handle.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 3 to 7, a device for rapidly testing electrical properties of a circuit board of an anti-theft device includes an electrical property tester 4, and a plurality of test heads 5 disposed at the top of the electrical property tester 4, where the test heads 5 correspond to solder joints 3 on the circuit board of the anti-theft device, the top of a machine table of the electrical property tester 4 is fixedly provided with a plurality of guide posts I6, the guide posts I6 include four guide posts I6 enclosing a square, the guide posts I6 are disposed at two sides of the test head 5, a movable plate 7 is disposed between the guide posts I6, the movable plate 7 is provided with a plurality of guide holes I corresponding to the guide posts I6, the movable plate 7 is slidably mounted on the guide posts I6 through the cooperation of the guide holes I and the guide posts I6, the guide posts I6 are sleeved with springs 8, one end of the springs 8 is fixedly disposed on the machine table, and the other end is fixedly; the top of the movable plate 7 is provided with a sinking groove 9, the outline of the sinking groove 9 is the same as that of the substrate 1 of the anti-theft device circuit board, the bottom of the sinking groove 9 is provided with a through groove 10 positioned right above the test head 5, and a shoulder is formed between the through groove 10 and the sinking groove 9.
A support 11 is further fixedly arranged on a machine table of the electrical property tester 4, a vertical plate 12 positioned right above the movable plate 7 is fixedly arranged on the support 11, a hinge seat 13 and a shaft sleeve 14 are fixedly arranged on the end surface of the vertical plate 12 from top to bottom, an upward bent connecting rod A15 is hinged on the hinge seat 13, a handle 21 is fixedly arranged at the top of the connecting rod A15, a vertically arranged movable rod 16 is slidably arranged in the shaft sleeve 14, two ends of the movable rod 16 are both arranged by penetrating through the shaft sleeve 14, the upper end part of the movable rod 16 is hinged with a connecting rod B17, the other end of the connecting rod B17 is hinged on a connecting rod A15, a pressure plate 18 is fixedly arranged at the lower end part of the movable rod 16, the pressure plate 18 is positioned right above the movable plate 7 and is arranged parallel to the, the bottom of the pressing plate 18 is fixedly provided with three pressing heads 19, the three pressing heads 19 are arranged in a triangular shape, and the pressing heads 19 are arranged right above the sinking groove 9.
Two guide posts II20 are fixedly arranged at the top of the machine table of the electrical property tester 4, and two guide posts II20 are positioned at the outer sides of the guide posts I6. Two guide holes II matched with the guide posts II20 are formed in the pressing plate 18, and the pressing plate 18 is matched with the guide posts II20 through the guide holes II and is slidably mounted on the guide posts II 20.
The pressure head 19, the movable plate 7 and the pressure plate 18 are all made of plastic.
The working process of the utility model is as follows:
s1, as shown in FIG. 8, a worker puts a welding spot 3 of the burglar alarm circuit board downwards into a sink groove 9, at the moment, a substrate 1 of the burglar alarm circuit board is supported on a shoulder formed by the sink groove 9 and a through groove 10, and each welding spot 3 corresponds to a test head 5 up and down respectively, so that the tool of the burglar alarm circuit board is realized;
s2, testing the electrical performance of the solder joint on the circuit board of the burglar alarm, wherein the worker presses down the handle 21 with the force direction as shown by the arrow in FIG. 3, the connecting rod A15 rotates downward around the hinge base 13, the connecting rod A15 drives the connecting rod B17 to move downward, the connecting rod B17 drives the movable rod 16 to move downward along the axial direction of the shaft sleeve 14, the movable rod 16 drives the pressing plate 18 to move downward along the guiding post II20, the moving direction of the movable rod 16 is shown by the arrow in FIG. 9, the pressing plate 18 synchronously drives the pressing head 19 to move downward, after the pressing head 19 presses on the top surface of the base plate 1, the pressing head 19 makes the base plate 1 and the movable plate 7 synchronously move downward, the movable plate 7 moves downward along the guiding post I6 and compresses the spring 8, then the testing head 5 sequentially passes through the through slot 10 and the sinking slot 9 relative to contact with the solder joint 3 as shown in FIG. 9, and then the resistance value or other, thereby realizing the test of the electrical property of the welding spot;
because the outline of the substrate 1 is equal to the outline of the sink groove 9, after the substrate 1 is placed on the shoulder, the up-and-down correspondence between the welding spot 3 and the testing head 5 can be directly ensured, so that the positioning time of the welding spot is shortened, and the testing efficiency of the electric performance of the circuit board of the burglar alarm is greatly improved. In addition, in the testing process, each welding point 3 on the substrate 1 is always contacted with the testing head 5 under downward pressure, so that the tested burglar alarm circuit board cannot fall off from the testing head 5 due to the movement or vibration of the electrical property tester, and the sequential operation of the electrical property of the welding points is ensured;
s3, after the test is finished, the handle 21 is reversely lifted, at the moment, the connecting rod A15 moves upwards around the hinge seat 13 and pulls the connecting rod B17 to move upwards, the connecting rod B17 pulls the movable rod 16 to move upwards, the movable rod 16 pulls the pressing plate 18 to move upwards, the movable plate 7 resets under the restoring force of the spring 8 while moving upwards, after resetting, a worker can take out the tested burglar alarm circuit board from the sinking groove 9, and then the next burglar alarm circuit board is tested.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a quick testing arrangement of alarm circuit board electrical property, it includes electrical property tester (4), sets up in a plurality of test head (5) at electrical property tester (4) top, and test head (5) are corresponding with solder joint (3) on the alarm circuit board, its characterized in that: the top of a machine table of the electrical property tester (4) is fixedly provided with a plurality of guide columns I (6), the guide columns I (6) are arranged on two sides of a test head (5), movable plates (7) are arranged between the guide columns I (6), a plurality of guide holes I corresponding to the guide columns I (6) are formed in the movable plates (7), the movable plates (7) are matched with the guide columns I (6) through the guide holes I and are slidably mounted on the guide columns I (6), the guide columns I (6) are sleeved with springs (8), one ends of the springs (8) are fixedly arranged on the machine table, and the other ends of the springs (8) are fixedly arranged on the movable plates (7); the top of the movable plate (7) is provided with a sinking groove (9), the outline of the sinking groove (9) is the same as that of the substrate (1) of the anti-theft device circuit board, the bottom of the sinking groove (9) is provided with a through groove (10) positioned right above the test head (5), and a shoulder is formed between the through groove (10) and the sinking groove (9); still set firmly support (11) on the board of electrical property tester (4), set firmly riser (12) that are located directly over fly leaf (7) on support (11), riser (12) terminal surface has hinge seat (13) and axle sleeve (14) from top to bottom to set firmly, it has connecting rod A (15) of upwards buckling to articulate on hinge seat (13), slidable mounting has vertical setting's movable rod (16) in axle sleeve (14), the both ends of movable rod (16) all run through axle sleeve (14) and set up, the upper end of movable rod (16) articulates there is connecting rod B (17), the other end of connecting rod B (17) articulates on connecting rod A (15), the lower tip of movable rod (16) has set firmly clamp plate (18), clamp plate (18) are located directly over fly leaf (7) and are on a parallel with fly leaf (7) and set up, the bottom of clamp plate (18) has set firmly three at least pressure head (19), pressure head (19) set up directly over heavy groove (9).
2. The device for rapidly testing the electrical performance of the circuit board of the burglar alarm according to claim 1, wherein: the top of the electrical property tester (4) machine table is fixedly provided with two guide posts II (20), and the two guide posts II (20) are positioned on the outer sides of the guide posts I (6).
3. The device for rapidly testing the electrical performance of the circuit board of the burglar alarm according to claim 1, wherein: two guide holes II matched with the guide posts II (20) are formed in the pressing plate (18), and the pressing plate (18) is matched with the guide posts II (20) through the guide holes II and is slidably mounted on the guide posts II (20).
4. The device for rapidly testing the electrical performance of the circuit board of the burglar alarm according to claim 1, wherein: the bottom of the pressing plate (18) is fixedly provided with three pressing heads (19), and the three pressing heads (19) are arranged in a triangular shape.
5. The device for rapidly testing the electrical performance of the circuit board of the burglar alarm according to claim 1, wherein: the top of the connecting rod A (15) is fixedly provided with a handle (21).
6. The device for rapidly testing the electrical performance of the circuit board of the burglar alarm according to claim 1, wherein: the four guide columns I (6) are four, and the four guide columns I (6) enclose a square.
7. The device for rapidly testing the electrical performance of the circuit board of the burglar alarm according to claim 1, wherein: the pressure head (19), the movable plate (7) and the pressure plate (18) are all plastic pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875268.0U CN212514892U (en) | 2020-05-22 | 2020-05-22 | Quick testing arrangement of alarm circuit board electrical property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875268.0U CN212514892U (en) | 2020-05-22 | 2020-05-22 | Quick testing arrangement of alarm circuit board electrical property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212514892U true CN212514892U (en) | 2021-02-09 |
Family
ID=74392692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020875268.0U Active CN212514892U (en) | 2020-05-22 | 2020-05-22 | Quick testing arrangement of alarm circuit board electrical property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212514892U (en) |
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2020
- 2020-05-22 CN CN202020875268.0U patent/CN212514892U/en active Active
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