CN214539887U

CN214539887U - Circuit detection tool

Info

Publication number: CN214539887U
Application number: CN202022875730.XU
Authority: CN
Inventors: 戚林保; 徐强; 后文龙; 张士虎
Original assignee: Suzhou Dexiao Electronic Technology Co ltd
Current assignee: Suzhou Dexiao Electronic Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-10-29
Anticipated expiration: 2030-12-04

Abstract

The utility model relates to a circuit detection tool, including testing platform, upper probe, clamp plate and depression bar, testing platform is used for the circuit board joint, testing platform includes the support plate and locates two steel sheets of both sides relative position, two steel sheets are used for respectively with power positive pole, negative pole electricity connection, two are located to the support plate between the steel sheet, the support plate upper surface with the steel sheet top edge is parallel, the support plate is used for placing the circuit board, upper probe with the depression bar is located respectively the clamp plate lower surface, upper probe with the depression bar respectively with the connection can be dismantled to the clamp plate, puts when the circuit board on the support plate, the depression bar position is corresponding to the switch button of circuit board. The steel plates are arranged on the two sides of the detection platform, so that a plurality of circuit boards can be clamped on the steel plates for detection at the same time; the problem of circuit board batch production when examining among the prior art, need repeat and power switch-on, lead to test time long is solved.

Description

Circuit detection tool

Technical Field

The utility model relates to a circuit test fixture field especially relates to a circuit detection tool.

Background

With the continuous development of electronic technology, electronic products are enriching our lives, and the circuit board is the most important part of the electronic products, which is related to the performance and quality of the products. In the detection and assembly production of electronic products, a lot of manual work is needed to complete various complex work flows, so that interference of a lot of human factors is brought to the whole assembly line production operation, certain production time waste is caused, particularly, the detection of some tiny electronic and display circuit boards, and the detection that elements realizing on-off functions on some mainboards need to be manually carried out one by one, once missing, the detection can only be embodied in the last assembly test link, so that workers are required to disassemble and detect one by one again, a large amount of manpower and time are wasted, the production cost is increased, and whether the performance of the circuit board is normal or not in the production process of the circuit board is required to be detected online.

At present, the circuit board test mostly adopts the test mode of an online circuit test fixture, and whether the circuit board is qualified or not is detected through the matched test fixture. The existing on-line circuit test fixture can only place one circuit board for testing at a time, and according to the existing test method, when a large quantity of circuit boards are produced for testing, very long test working hours are required to be invested for detecting whether the single board fails, so that the problem of high investment of labor cost is solved, the production efficiency is met by manufacturing more test fixtures if more qualified circuit boards are required to be tested in a short time, but the cost of the fixture is increased, and the economic waste is caused.

Therefore, it is desirable to provide a circuit testing fixture capable of improving testing efficiency and avoiding a great deal of waste in labor and fixture cost.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a circuit detection tool. The problem of circuit board batch production when examining among the prior art, need repeat and power switch-on, lead to test time long is solved.

The technical effects of the utility model are through following realization:

the utility model provides a circuit detection tool, includes testing platform, upper probe, clamp plate and depression bar, testing platform is used for the circuit board joint, testing platform includes the support plate and locates two steel sheets of both sides relative position, two steel sheets are used for respectively with anodal, the negative pole electricity of power and connect, the support plate is located two between the steel sheet, the support plate upper surface with the steel sheet top edge is parallel, the support plate is used for placing the circuit board, upper probe locates the clamp plate lower surface, upper probe with the connection can be dismantled to the clamp plate, the depression bar is located the clamp plate lower surface, the depression bar with the connection can be dismantled to the clamp plate, when the circuit board is put on the support plate, the depression bar position is corresponding to the switch button of circuit board. Through setting up the steel sheet for a plurality of circuit boards can detect on the steel sheet by the joint simultaneously, have promoted the detection efficiency of circuit board effectively, have reduced the manufacturing cost of enterprise. Through setting up the depression bar for whether the switch button detection that pushes down on the circuit board broke down in the test procedure, guaranteed that the circuit board performance is normal.

Furthermore, the carrier plate is provided with a through hole.

Further, still include the faller, the faller is located the support plate below, the faller with through spring coupling between the support plate.

Furthermore, the probe structure also comprises a lower probe which is detachably connected to the upper surface of the needle plate, and the lower probe corresponds to the through hole on the carrier plate.

Furthermore, the tail end of the upper probe is provided with an upper probe wire, the upper probe wire is electrically connected with the upper probe, the tail end of the lower probe is provided with a lower probe wire, and the lower probe wire is electrically connected with the lower probe. Through setting up probe and lower probe, when last probe, lower probe and pad contact for circuit board intercommunication detection device forms the detection return circuit, detects easy operation.

Furthermore, the pressing plate side wall is provided with a first connector, the first connector is electrically connected with the upper probe conducting wire, the needle plate side wall is provided with a second connector, and the second connector is electrically connected with the lower probe conducting wire.

Further, the connector further comprises a signal receiver, and the signal receiver is electrically connected with the first connector and the second connector respectively.

Further, the display is electrically connected with the signal receiver.

Furthermore, the pressing rod is further included, and the pressing rod is fixedly connected with the pressing plate. Through setting up the pressure stick, push down the circuit board and probe in close contact with down to avoid the circuit board to rock everywhere when detecting, make and detect more convenient.

Further, the device also comprises a control device, and the control device is used for controlling the pressing plate to move up and down.

As described above, the utility model discloses following beneficial effect has:

1) through setting up the steel sheet for a plurality of circuit boards can detect on the steel sheet by the joint simultaneously, have promoted the detection efficiency of circuit board effectively, have reduced the manufacturing cost of enterprise.

2) Through setting up the depression bar for whether the switch button detection that pushes down on the circuit board broke down in the test procedure, guaranteed that the circuit board performance is normal.

3) Through setting up probe and lower probe, when last probe and lower probe and pad contact for circuit board intercommunication detection device forms the detection return circuit, detects easy operation.

4) Through setting up the pressure stick, push down the circuit board and probe in close contact with down to avoid the circuit board to rock everywhere when detecting, make and detect more convenient.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Wherein the reference numerals in the figures correspond to:

the device comprises a detection platform 1, a steel plate 11, a support plate 12, an upper probe 2, a pressing plate 3, a pressing rod 4, a needle plate 5, a lower probe 6, an upper probe lead 7, a lower probe lead 8 and a pressing rod 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1, a circuit detection tool, including testing platform 1, go up probe 2, clamp plate 3 and depression bar 4, testing platform 1 is used for the circuit board joint, testing platform 1 includes support plate 12 and two steel sheets 11 of locating both sides relative position, two steel sheets 11 are used for respectively with the power positive pole, negative pole electrical connection, support plate 12 is located between two steel sheets 11, support plate 12 upper surface and steel sheet 11 upper edge are parallel, support plate 12 is used for placing the circuit board, go up probe 2 and locate clamp plate 3 lower surface, go up probe 2 and clamp plate 3 and can dismantle the connection, depression bar 4 locates clamp plate 3 lower surface, depression bar 4 and clamp plate 3 can dismantle the connection, when the circuit board was put on support plate 12, depression bar 4 position corresponds to the switch button of circuit board. In this embodiment, circuit board below both sides are equipped with the shell fragment, when the circuit board joint is in testing platform, the shell fragment is through contacting both sides steel sheet intercommunication power, the negative pole, it can test to detect the return circuit switches on, testing platform is bar structure, joint individual circuit board detects on testing platform simultaneously, the detection efficiency of circuit board has been promoted, in the test process when clamp plate downstream to the test position, go up probe contact to circuit board upper surface pad, whether detection circuitry's break-make is normal, and simultaneously, the depression bar pushes down and detects whether it breaks down to the switch button on the circuit board, thereby ensure that the circuit board performance is normal.

Further, testing platform 1 still includes support plate 12, faller 5, probe 6 and pressure bar down, and support plate 12 is located in both sides steel sheet 11, and support plate 12 upper surface and steel sheet 11 upper edge are parallel, and support plate 12 is equipped with the through-hole, and faller 5 locates the support plate 12 below, through spring coupling between faller 5 and the support plate 12, and probe 6 can dismantle down and connect in faller 5 upper surface, and probe 6 is corresponding with the through-hole on the support plate 12 down, and pressure bar 9 and clamp plate 3 fixed connection. In the process of testing the circuit board, the pressing rod presses the carrier plate downwards until the lower probe penetrates through the upper through hole of the carrier plate to be contacted with the bonding pad on the lower surface of the circuit board, and whether the on-off of the circuit is normal or not is detected.

Further, 2 ends of the upper probe are provided with an upper probe wire 7, the upper probe wire 7 is electrically connected with the upper probe 2, the lower end of the lower probe 6 is provided with a lower probe wire 8, the lower probe wire 8 is electrically connected with the lower probe 6, the side wall of the pressing plate 3 is provided with a first connector, the first connector is electrically connected with the upper probe wire 7, the side wall of the needle plate 5 is provided with a second connector, and the second connector is electrically connected with the lower probe wire 8. The probe wires are connected to the connector for deriving signals.

Further, the pressing plate device further comprises a signal receiver, a display and a control device, wherein the signal receiver is electrically connected with the first connector and the second connector respectively, the display is electrically connected with the signal receiver, and the control device is used for controlling the pressing plate 3 to move up and down. When the circuit board is tested, the control device controls the pressing plate to move downwards, and after the circuit board is tested, the pressing plate is controlled to move upwards. The signal receiver is used for feeding back the signal to the display and then displaying the detection result through the display.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The embodiments and features of the embodiments described herein above can be combined with each other without conflict.

The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.

Claims

1. The circuit detection jig is characterized by comprising a detection platform (1), an upper probe (2), a pressing plate (3) and a pressing rod (4), wherein the detection platform (1) is used for clamping a circuit board, the detection platform (1) comprises a support plate (12) and two steel plates (11) arranged at opposite positions on two sides, the two steel plates (11) are respectively used for being electrically connected with a positive electrode and a negative electrode of a power supply, the support plate (12) is arranged between the two steel plates (11), the upper surface of the support plate (12) is parallel to the upper edge of the steel plate (11), the support plate (12) is used for placing the circuit board, the upper probe (2) is arranged on the lower surface of the pressing plate (3), the upper probe (2) is detachably connected with the pressing plate (3), the pressing rod (4) is arranged on the lower surface of the pressing plate (3), and the pressing rod (4) is detachably connected with the pressing plate (3), when the circuit board is placed on the carrier plate (12), the position of the pressure lever (4) corresponds to the switch key of the circuit board.

2. The tool according to claim 1, wherein the carrier (12) has through holes.

3. The circuit detection tool according to claim 2, further comprising a pin plate (5), wherein the pin plate (5) is disposed below the carrier plate (12), and the pin plate (5) and the carrier plate (12) are connected by a spring.

4. The circuit detection jig according to claim 3, further comprising a lower probe (6), wherein the lower probe (6) is detachably connected to the upper surface of the needle plate (5), and the lower probe (6) corresponds to the through hole on the carrier plate (12).

5. The circuit detection jig according to claim 4, characterized in that an upper probe wire (7) is arranged at the tail end of the upper probe (2), the upper probe wire (7) is electrically connected with the upper probe (2), a lower probe wire (8) is arranged at the tail end of the lower probe (6), and the lower probe wire (8) is electrically connected with the lower probe (6).

6. The circuit detection tool according to claim 5, characterized in that the side wall of the pressing plate (3) is provided with a first connector, the first connector is electrically connected with the upper probe wire (7), the side wall of the needle plate (5) is provided with a second connector, and the second connector is electrically connected with the lower probe wire (8).

7. The circuit detection tool of claim 6, further comprising a signal receiver electrically connected to the first connector and the second connector, respectively.

8. The circuit detection tool of claim 7, further comprising a display, wherein the display is electrically connected to the signal receiver.

9. The circuit detection tool of claim 1, further comprising a pressing rod (9), wherein the pressing rod (9) is fixedly connected with the pressing plate (3).

10. The circuit detection tool according to claim 1, further comprising a control device for controlling the pressing plate (3) to move up and down.