CN219105100U

CN219105100U - Circuit board debugging device

Info

Publication number: CN219105100U
Application number: CN202320017946.3U
Authority: CN
Inventors: 潘世云; 张文龙; 高俊; 屈纯; 牛同锋; 杨威; 张毅; 王星魁; 葛国力
Original assignee: Hubei Institute of Aerospace Chemical Technology
Current assignee: Hubei Institute of Aerospace Chemical Technology
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-05-30
Anticipated expiration: 2033-01-03

Abstract

The utility model relates to a circuit board debugging device which comprises a universal arm, a clamping table and a test bottom plate, wherein a plurality of sliding rods are arranged on the test bottom plate, the clamping table is fixed in the middle of the plurality of sliding rods, a circuit board fixing clamping port is arranged in the center of the clamping table, the universal arm comprises a fixing ring, a universal joint, a joint rod and a spring probe, the fixing ring is movably connected with the sliding rods, the joint rod is connected with the fixing ring and the spring probe through the universal joint, a test contact is arranged on the test bottom plate, and the spring probe is connected with the test contact through a signal wire. According to the utility model, the universal arm joint is regulated, so that the spring probe is stably contacted with a tested point of the circuit board, and is led to a testing contact of the testing bottom plate through a signal wire, and the debugging work of the circuit board is realized by monitoring voltage, current and data signals of the testing contact.

Description

Circuit board debugging device

Technical Field

The utility model relates to the technical field of electronic circuit debugging, in particular to a circuit board debugging device.

Background

Circuit debugging is a process which electronic product development engineers must go through, and a common circuit board debugging method adopts a welding jumper to lead out test points, and signals such as voltage, current, data and the like on a circuit are measured and monitored through the test points. The jumper wire is complicated to weld, and the original electronic circuit is extremely easy to damage in the welding and disassembling processes, so that the test result is influenced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a circuit board debugging device which is used for adjusting a universal arm to enable a spring probe to be in stable contact with any measured point on a circuit board, leading a measured point signal to a test contact of a test bottom plate, and further monitoring voltage, current and data signals of the test contact to realize debugging work of the circuit board.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a circuit board debugging device, includes the universal arm, presss from both sides platform and test bottom plate, be equipped with many slide bars on the test bottom plate, it fixes to press from both sides the platform the middle part of many slide bars, the center of pressing from both sides the platform is equipped with circuit board fixation clamp mouth, the universal arm includes solid fixed ring, universal joint, joint pole and spring probe, gu fixed ring with slide bar swing joint, the joint pole pass through the universal joint with gu fixed ring and spring probe are connected, be equipped with test contact on the test bottom plate, spring probe pass through the signal line with test contact is connected.

Further, the signal wire is arranged in the sliding rod and the joint rod, one end of the signal wire is connected with the spring probe, and the other end of the signal wire is connected with the test contact.

Further, the universal arms are multiple and are respectively fixed on the sliding rods.

Further, the test contacts are multiple, and the test contacts are respectively connected with the spring probes of the universal arms through signal wires.

Furthermore, the universal arm is provided with a plurality of joint rods, and two adjacent joint rods are connected through a universal joint.

Further, the universal arm slides along the sliding rod through the fixing ring or rotates by taking the sliding rod as an axis.

Further, the test contact is connected with a voltage stabilizing circuit, a switching device, an oscilloscope, a power supply and a display screen.

Compared with the prior art, the utility model has the following advantages:

1. according to the universal arm, the universal joints and the joint rods of the universal arm are multiple, the spring probes can detect any position on the circuit board, and position signals of any bonding pad and pin on the circuit board can be tested by adjusting the angle of the universal arm.

2. The universal arm is arranged on the sliding rods on the upper side and the lower side of the clamping table, can rotate or move up and down along the sliding rods, adjusts the joints of the universal arm, and the spring probes at the tail ends of the universal arm can be stably contacted with the tested points on the circuit board.

3. The testing bottom plate can be additionally provided with a display screen, a voltage stabilizing circuit, a switching device, an oscilloscope, a power supply and other components, and the testing contact is connected with the voltage stabilizing circuit, the switching device, the oscilloscope, the power supply and the display screen. The voltage, current and data signals of the test contact are monitored to realize debugging work of the circuit board.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the present utility model.

Reference numerals: 1-a universal arm; 2-clamping the platform; 3-testing the bottom plate; 11-a fixing ring; 12-universal joint; 13-articulating lever; 14-a spring probe; 21-a slide bar; 22-a circuit board fixing clamp; 31-signal lines; 32-test contacts.

Detailed Description

Embodiment one:

referring to fig. 1, this embodiment provides a circuit board debugging device, including universal arm 1, clamp platform 2 and test bottom plate 3, be equipped with many slide bars 21 on the test bottom plate 3, clamp platform 2 is fixed at the middle part of many slide bars 21, the center of clamp platform 2 is equipped with circuit board fixation clamp mouth 22, universal arm 1 includes solid fixed ring 11, universal joint 12, joint pole 13 and spring probe 14, solid fixed ring 11 and slide bar 21 swing joint, joint pole 13 passes through universal joint 12 and is connected with solid fixed ring 11 and spring probe 14, be equipped with test contact 32 on the test bottom plate 3, spring probe 14 passes through signal line 31 and is connected with test contact 32.

The signal line 31 is provided inside the slide bar 21 and the joint lever 13, one end of the signal line 31 is connected to the spring probe 14, and the other end of the signal line 31 is connected to the test contact 32.

The gimbal arms 1 are fixed to a plurality of slide bars 21. Universal arms can be arranged on the upper surface and the lower surface of the clamping table, so that the measured point signals on the two surfaces of the circuit board can be conveniently measured.

The number of the test contacts 32 is plural, and the plurality of test contacts 32 are connected to the spring probes 14 of the plurality of gimbal arms 1 via signal lines 31, respectively. For example, the spring probe at the tail end of the first universal arm is connected with the first test contact through a signal wire, the spring probe at the tail end of the second universal arm is connected with the second test contact through a signal wire, … …, and the spring probe at the tail end of the N universal arm is connected with the N test contact through a signal wire.

The gimbal arm 1 is provided with a plurality of joint bars 13, and two adjacent joint bars 13 are connected by a gimbal 12. The universal joint and the joint rod on the universal arm are provided with a plurality of, the spring probe can detect any position on the circuit board, and through adjusting the angle of the universal arm, any bonding pad and pin position signals on the circuit board can be tested.

The universal arm 1 slides up and down along the slide bar 21 through the fixing ring 11 or rotates around the slide bar 21 as an axis. By rotating and moving the universal arm 1 up and down, the joint rod 13 of the universal arm is adjusted, so that the spring probe 14 is stably contacted with a measured point on the circuit board, and the spring probe 14 leads out an electric signal of the measured point to a test contact point 32 of the test base plate 3 through a signal wire 31.

The test base plate 3 can be additionally provided with a display screen, a voltage stabilizing circuit, a switching device, an oscilloscope, a power supply and other components, and the test contact 32 is connected with the voltage stabilizing circuit, the switching device, the oscilloscope, the power supply and the display screen. The voltage, current and data signals of the test contact are monitored to realize debugging work of the circuit board.

The above embodiments are provided to illustrate the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement the same according to the present utility model, not to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. The utility model provides a circuit board debugging device which characterized in that: including universal arm (1), clamp platform (2) and test bottom plate (3), be equipped with many slide bars (21) on test bottom plate (3), clamp platform (2) are fixed the middle part of many slide bars (21), the center of clamp platform (2) is equipped with circuit board fixation clamp mouth (22), universal arm (1) include solid fixed ring (11), universal joint (12), joint pole (13) and spring probe (14), gu fixed ring (11) with slide bar (21) swing joint, joint pole (13) pass through universal joint (12) with gu fixed ring (11) and spring probe (14) are connected, be equipped with test contact (32) on test bottom plate (3), spring probe (14) pass through signal line (31) with test contact (32) are connected.

2. The circuit board debugging device of claim 1, wherein: the signal wire (31) is arranged inside the sliding rod (21) and the joint rod (13), one end of the signal wire (31) is connected with the spring probe (14), and the other end of the signal wire (31) is connected with the test contact (32).

3. A circuit board debugging device as claimed in claim 1 or 2, wherein: the universal arms (1) are multiple and are respectively fixed on the sliding rods (21).

4. A circuit board debugging device as in claim 3, wherein: the test contacts (32) are multiple, and the test contacts (32) are respectively connected with the spring probes (14) of the universal arms (1) through signal wires (31).

5. A circuit board debugging device as in claim 3, wherein: the universal arm (1) is provided with a plurality of joint rods (13), and two adjacent joint rods (13) are connected through a universal joint (12).

6. A circuit board debugging device as claimed in claim 1 or 2, wherein: the universal arm (1) slides along the sliding rod (21) through the fixed ring (11) or rotates by taking the sliding rod (21) as an axis.

7. A circuit board debugging device as claimed in claim 1 or 2, wherein: and the test contact (32) is connected with a voltage stabilizing circuit, a switching device, an oscilloscope, a power supply and a display screen.