CN212483771U

CN212483771U - High-voltage-resistant test fixture

Info

Publication number: CN212483771U
Application number: CN202020884587.8U
Authority: CN
Inventors: 苏宝军
Original assignee: Dongguan Lianwei Electronic Co ltd
Current assignee: Dongguan Lianwei Electronic Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2021-02-05
Anticipated expiration: 2030-05-23

Abstract

The utility model belongs to the technical field of PCB circuit board tools, in particular to a high-voltage resistant test tool, which comprises a base, a detection mechanism and a high-voltage resistant test circuit unit; the detection mechanism is arranged on the base and used for detecting the PCB, and a soldering tin structure is arranged at the input end of the detection mechanism; the high-voltage-resistant test circuit unit is arranged in the base and electrically connected with the detection mechanism. The beneficial effects of the utility model reside in that: the high-voltage-resistant test circuit unit is adopted to enable the voltage-resistant value between the PCB networks to reach 3000V, and the detection end with the soldering tin structure at the tail part is adopted to detect the high-voltage-resistant breakdown value of the PCB and the base material (aluminum).

Description

High-voltage-resistant test fixture

Technical Field

The utility model belongs to the technical field of the PCB circuit board tool, especially, relate to a high pressure resistant test fixture.

Background

The PCB jig is generally divided into an upper part and a lower part, the PCB is clamped from two surfaces respectively, open circuit and open circuit of a PCB light plate are detected in a voltage adding mode, generally, whether a finished product produced by testing of a circuit board factory is qualified or not is judged, and the jig is used for large-batch circuit boards.

In the prior art, after the printed circuit board is manufactured, the high voltage resistance of the circuit board needs to be checked, and the purpose of detecting the high voltage resistance of the circuit board is mainly to detect whether the insulation performance of the circuit board material and the space between circuit board wires are enough, the high voltage resistance value of the existing jig is generally below 500V, meanwhile, the existing jig cannot test the high voltage resistance value between the PCB network, and the existing jig cannot detect the high voltage resistance breakdown value of the PCB circuit and the substrate (aluminum sheet).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure resistant test fixture aims at solving the tool among the prior art and can not test the high pressure resistant value between the PCB board network, also can not detect PCB board circuit and substrate (aluminum sheet) high pressure resistant breakdown value, the technical problem that the practicality is low.

In order to achieve the above object, an embodiment of the present invention provides a high voltage resistance test fixture, which includes a base, a detection mechanism and a high voltage resistance test circuit unit; the detection mechanism is arranged on the base and used for detecting the PCB, and a soldering tin structure is arranged at the input end of the detection mechanism; the high-voltage-resistant test circuit unit is arranged in the base and electrically connected with the detection mechanism.

Optionally, the detection mechanism includes mounting bracket, probe part and compresses tightly the part, the mounting bracket sets up on the base, be provided with the detection station on the base, the probe part sets up on the detection station, it sets up to compress tightly the part on the mounting bracket just the output that compresses tightly the part with mounting bracket sliding connection, the output that compresses tightly the part removes along vertical direction and is used for compressing tightly the PCB circuit board that waits to detect on the detection station, soldering tin structure shaping in the input of probe part.

Optionally, the compressing component includes a connecting rod, a pressing plate, a pivoting seat, a handle, a first connecting seat, a second connecting seat, a first guiding shaft and a second guiding shaft, the pivoting seat is fixedly disposed on the mounting frame, the first connecting seat and the second connecting seat are respectively disposed at two ends of the pivoting seat, one end of the first guiding shaft and one end of the second guiding shaft are respectively fixedly connected with the first connecting seat and the second connecting seat, the other end of the first guiding shaft and the other end of the second guiding shaft are fixedly connected with the base, the connecting rod is slidably connected to the pivoting seat, one end of the handle is rotatably connected with the pivoting seat, the other end of the handle is rotatably connected with the connecting rod, the pressing plate is fixedly connected with the bottom of the connecting rod, and two ends of the pressing plate are respectively slidably connected with the first guiding shaft and the second guiding shaft, and the bottom of the pressing plate is provided with an ejector rod used for abutting against the PCB.

Optionally, the one end of pin joint seat with mounting bracket fixed connection, the other end of pin joint seat extends to the outside of mounting bracket, the pin joint seat is kept away from the one end of mounting bracket is provided with the connecting block, the upper and lower both ends of connecting block are provided with first pivot hole and first slide opening respectively, the handle is close to the tip of pin joint seat is provided with "L" type connecting block, "L" type connecting block one end with first pivot hole rotates to be connected, the other end of L type piece with the connecting rod rotates to be connected, the connecting rod with first slide opening slip adaptation.

Optionally, the probe assembly includes a plurality of groups of 100mil probes, all the 100mil probes are uniformly distributed on the inspection station, the number of the GP probes is four, and the four groups of GP probes are respectively disposed at four corners of the inspection station.

Optionally, a reinforcing rib for enhancing the structural strength of the mounting frame is arranged on the end surface of the mounting frame, which faces away from the pivoting seat.

Optionally, one end of the handle, which is far away from the pivoting seat, is sleeved with a rubber sleeve.

Optionally, one end of the handle, which is far away from the pivoting seat, is of an elliptic cone column structure.

Optionally, the high voltage resistance test fixture further comprises an indicating mechanism and a control system, wherein the indicating mechanism comprises a first mounting plate, a second mounting plate, indicating lamps and sign panels, the first mounting plate and the second mounting plate are arranged on the base and are respectively located at two ends of the detection mechanism, the number of the indicating lamps and the number of the sign panels are at least one, all the indicating lamps are arranged on the first mounting plate, and all the sign panels are arranged on the second mounting plate and are used for recording detection results; the control system is arranged in the base, the input end of the control system is electrically connected with the detection mechanism, and the output end of the control system is electrically connected with the indicator light.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the high pressure resistant test fixture have one of following technological effect at least: compare in PCB tool among the prior art can not test the high pressure resistant value between the PCB board network, also can not detect PCB board circuit and substrate (aluminum sheet) high pressure resistant breakdown value, lead to the technical problem that its practicality is low, the embodiment of the utility model provides a high pressure resistant test fixture adopts high pressure resistant test circuit unit to make this PCB circuit board network withstand voltage value within a definite time can reach 3000V, adopts the afterbody to have the high pressure resistant breakdown value that the detection end of soldering tin structure can detect PCB circuit board and substrate (aluminum), simultaneously, adopts switch direct control high pressure test circuit unit, simple structure, and the maintenance operation of being convenient for is favorable to improving the preparation efficiency of this tool.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a high voltage resistance test fixture provided by an embodiment of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Wherein, in the figures, the respective reference numerals:

10-base 20-detection mechanism 30-indication mechanism

31-first mounting plate 32-second mounting plate 33-indicator light

34-sign panel 21-mounting frame 22-probe component

23-pressing part 231-connecting rod 232-pressing plate

233-pivot base 234-handle 235-first connecting base

236-second connecting seat 237-first guiding axle 238-second guiding axle

239-connecting block 221-GP probe 222-100 mil probe

211-reinforcing ribs.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-2 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1-2, a high voltage resistant testing fixture is provided, which includes a base 10, a detecting mechanism 20 and a high voltage resistant testing circuit unit; the detection mechanism 20 is arranged on the base 10 and used for detecting a PCB, the high-voltage-resistant test circuit unit is arranged in the base 10, the high-voltage-resistant test circuit unit is connected with the output end of the detection mechanism 20, and the input end of the detection mechanism 20 is provided with a soldering tin structure.

Specifically, adopt high voltage resistant test circuit unit to make this PCB circuit board withstand voltage value between network can reach 3000V, adopt the afterbody to have the high voltage resistant value of puncturing that the detection end of soldering tin structure can detect PCB circuit board and substrate (aluminium), adopt switch direct control high voltage test circuit unit, simple structure, the maintenance operation of being convenient for is favorable to improving the preparation efficiency of this tool.

In another embodiment of the present invention, the high voltage resistant testing fixture further includes an indicating mechanism 30 and a control system, the indicating mechanism 30 includes a first mounting plate 31, a second mounting plate 32, an indicator lamp 33 and a sign panel 34, the first mounting plate 31 and the second mounting plate 32 are both disposed on the base 10 and respectively located at two ends of the detecting mechanism 20, the number of the indicator lamps 33 and the sign panels 34 is at least one, all the indicator lamps 33 are disposed on the first mounting plate 31, and all the indicator panel settings are disposed on the second mounting plate 32 and used for recording the detection result; the control system is arranged in the base 10, the input end of the control system is electrically connected with the detection mechanism 20, the output end of the control system is electrically connected with the indicator light 33, and the soldering tin structure is formed at the input end of the probe component 22.

Specifically, this high pressure resistant test fixture's theory of operation: firstly, placing a PCB to be detected on a detection station, starting a detection mechanism 20, detecting the PCB placed on the detection station, and conveying a detection result to a control system electrically connected with the detection mechanism 20, wherein when the detection mechanism 20 detects that the PCB is good, the control system drives an indicator lamp 33 to display green, when the detection mechanism 20 detects that the PCB is not good, the control system drives the indicator lamp 33 to display red, and an operator records the detection result on a mark panel 34 according to the color of the indicator lamp 33; compare PCB detection tool among the prior art and lack the sign function, lead to PCB circuit board to divide by mistake easily after detecting finishing, influence production efficiency's technical problem, the embodiment of the utility model provides a high pressure resistant test tool adopts pilot lamp 33 and mark panel as the high-efficient scheme of distinguishing yields and defective products, and PCB circuit board's after detecting test result is with a lot of accurate record on the mark panel, has prevented effectively that PCB circuit board from being taken place by the condition of dividing by the mistake, improves enterprise detection effect.

As shown in fig. 1-2, in another embodiment of the present invention, the detecting assembly includes a mounting frame 21, a probe component 22 and a pressing component 23, the mounting frame 21 is disposed on the base 10, a detecting station is disposed on the base 10, the probe component 22 is disposed on the detecting station, the pressing component 23 is disposed on the mounting frame 21, an output end of the pressing component 23 is slidably connected to the mounting frame 21, and an output end of the pressing component 23 moves in a vertical direction and is used for pressing a PCB to be detected on the detecting station; specifically, adopt compressing tightly 23 parts cooperation probe part 22 to compress tightly the PCB circuit board that will wait to detect on the detection station and be favorable to guaranteeing that in the testing process, the off normal degree of PCB circuit board is low, is favorable to improving the detection accuracy of this tool, improves detection effect.

As shown in fig. 1-2, in another embodiment of the present invention, the pressing member 23 includes a connecting rod 231, a pressing plate 232, a pivoting seat 233, a handle 234, a first connecting seat 235, a second connecting seat 236, a first guiding shaft 237 and a second guiding shaft 238, the pivoting seat 233 is fixedly disposed on the mounting frame 21, the first connecting seat 235 and the second connecting seat 236 are respectively disposed at two ends of the pivoting seat 233, one end of the first guiding shaft 237 and one end of the second guiding shaft 238 are respectively fixedly connected to the first connecting seat 235 and the second connecting seat 236, the other end of the first guiding shaft 237 and the other end of the second guiding shaft 238 are fixedly connected to the base 10, the connecting rod 231 is slidably connected to the pivoting seat 233, one end of the handle 234 is rotatably connected to the pivoting seat 233, the other end of the handle 234 is rotatably connected to the connecting rod 231, the pressing plate 232 is fixedly connected with the bottom of the connecting rod 231, two ends of the pressing plate 232 are respectively connected with the first guide shaft 237 and the second guide shaft 238 in a sliding manner, and the bottom of the pressing plate 232 is provided with a top rod for abutting against the PCB; specifically, handle 234, pin joint seat 233 and connecting rod 231 form lever mechanism, when the one end that pin joint seat 233 was kept away from to actuating handle 234 moved up, connecting rod 231 slides down along pin joint seat 233, and drive clamp plate 232 and compress tightly the PCB circuit board, after the detection finishes, when the one end that pin joint seat 233 was kept away from to actuating handle 234 moved down, connecting rod 231 slides up along pin joint seat 233, and drive clamp plate 232 and loosen the PCB circuit board, the steam generator is simple in structure, the drive effect is showing, be favorable to improving this preparation efficiency who compresses tightly part 23.

As shown in fig. 1-2, in another embodiment of the present invention, one end of the pivot seat 233 is fixedly connected to the mounting frame 21, the other end of the pivot seat 233 extends to the outside of the mounting frame 21, the pivot seat 233 is far away from one end of the mounting frame 21 is provided with a connecting block 239, the upper and lower ends of the connecting block 239 are respectively provided with a first pivot hole and a first slide hole, the end of the handle 234 near the pivot seat 233 is provided with an "L" shaped connecting block, one end of the "L" shaped connecting block is rotatably connected to the first pivot hole, the other end of the L shaped block is rotatably connected to the connecting rod 231, and the connecting rod 231 is slidably fitted to the first slide hole.

As shown in fig. 1-2, in another embodiment of the present invention, the probe assembly 22 includes GP probes 221 and 100mil probes 222, the number of the 100mil probes 222 is multiple sets, all the 100mil probes 222 are uniformly distributed on the inspection station, the number of the GP probes 221 is four sets, and four sets of the GP probes 221 are respectively disposed at four corners of the inspection station; the GP probes 221 and the 100mil probes 222 are formed by techniques and have mature structures, which are not described in detail herein.

As shown in fig. 1-2, in another embodiment of the present invention, the mounting frame 21 is back to the end surface of the pivot seat 233 is provided with a reinforcing rib 211 for enhancing the structural strength of the mounting frame 21, so as to prolong the service life of the PCB detection jig

As shown in fig. 1-2, in another embodiment of the present invention, a rubber sleeve is sleeved on an end of the handle 234 away from the pivot seat 233.

As shown in fig. 1-2, in another embodiment of the present invention, the handle 234 is kept away from the one end of the pivot seat 233 is an elliptic cone column structure, and the adoption of the elliptic cone column structure is beneficial to improving the contact area between the handle 234 and the hand of the operator, so as to improve the operation simplicity of the handle 234.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a high pressure resistant test fixture which characterized in that includes:

a base;

the detection mechanism is arranged on the base and used for detecting the PCB, and a soldering tin structure is arranged at the input end of the detection mechanism;

and the high-voltage-resistant test circuit unit is arranged in the base and is electrically connected with the detection mechanism.

2. The high voltage resistance test fixture of claim 1, wherein: the detection mechanism comprises a mounting frame, a probe component and a pressing component, the mounting frame is arranged on the base, a detection station is arranged on the base, the probe component is arranged on the detection station, the pressing component is arranged on the mounting frame, the output end of the pressing component is connected with the mounting frame in a sliding mode, the output end of the pressing component moves in the vertical direction and is used for pressing a PCB to be detected on the detection station, and the soldering tin structure is formed at the input end of the probe component.

3. The high voltage resistance test fixture of claim 2, wherein: the compressing component comprises a connecting rod, a pressing plate, a pivoting seat, a handle, a first connecting seat, a second connecting seat, a first guide shaft and a second guide shaft, the pivoting seat is fixedly arranged on the mounting frame, the first connecting seat and the second connecting seat are respectively arranged at two ends of the pivoting seat, one end of the first guide shaft and one end of the second guide shaft are respectively fixedly connected with the first connecting seat and the second connecting seat, the other end of the first guide shaft and the other end of the second guide shaft are fixedly connected with the base, the connecting rod is slidably connected on the pivoting seat, one end of the handle is rotatably connected with the pivoting seat, the other end of the handle is rotatably connected with the connecting rod, the pressing plate is fixedly connected with the bottom of the connecting rod, and two ends of the pressing plate are respectively slidably connected with the first guide shaft and the second guide shaft, and the bottom of the pressing plate is provided with an ejector rod used for abutting against the PCB.

4. The high voltage resistance test fixture of claim 3, wherein: the one end of pin joint seat with mounting bracket fixed connection, the other end of pin joint seat extends to the outside of mounting bracket, the pin joint seat is kept away from the one end of mounting bracket is provided with the connecting block, the upper and lower both ends of connecting block are provided with first pivot hole and first slide opening respectively, the handle is close to the tip of pin joint seat is provided with "L" type connecting block, "L" type connecting block one end with first pivot hole rotates to be connected, the other end of L type piece with the connecting rod rotates to be connected, the connecting rod with first slide opening slip adaptation.

5. The high voltage resistance test fixture of claim 2, wherein: the probe component comprises a plurality of groups of 100mil probes and four groups of 100mil probes, wherein all the 100mil probes are uniformly distributed on the detection station, and the four groups of the GP probes are respectively arranged at the four corners of the detection station.

6. The high voltage resistance test fixture of claim 4, wherein: and reinforcing ribs for enhancing the structural strength of the mounting frame are arranged on the end face, back to the pivoting seat, of the mounting frame.

7. The high voltage resistance test fixture of claim 3, wherein: one end of the handle, which is far away from the pivoting seat, is sleeved with a rubber sleeve.

8. The high voltage resistance test fixture of claim 3, wherein: one end of the handle, which is far away from the pin joint seat, is of an elliptic cone column structure.

9. The high voltage resistance test fixture according to any one of claims 2 to 8, wherein: this high pressure resistant test fixture still includes indicating mechanism and control system, should include first mounting panel, second mounting panel, pilot lamp and marking panel, first mounting panel with the second mounting panel all sets up just be located respectively on the base detection mechanism's both ends, the pilot lamp with the quantity of marking panel all is one at least, all the pilot lamp all sets up on the first mounting panel, all the marking panel sets up and all sets up just be used for taking notes testing result on the second mounting panel, control system sets up in the base, control system's input with detection mechanism electric connection, control system's output with the pilot lamp electric connection.