CN219143063U

CN219143063U - PIN needle passageway detection device

Info

Publication number: CN219143063U
Application number: CN202223096630.2U
Authority: CN
Inventors: 魏子杰; 叶兵; 王柏通
Original assignee: Hangzhou Fansikai Technology Co ltd
Current assignee: Hangzhou Fansikai Technology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-06-06
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to the field of PIN needle detection, in particular to a PIN needle passage detection device, which adopts a split structure according to the design conception of the PIN needle passage detection device, wherein the split structure comprises a detection circuit in an open circuit state, when a qualified circuit assembly is welded to the detection circuit, the integrity of the detection circuit can be complemented, under the condition of electrifying, a conduction indicator can generate lamplight, if the circuit assembly is unqualified, the lamplight is not on, the welding quality of the circuit assembly can be rapidly identified through the lighting and the lighting-off, and the simultaneous detection of a plurality of groups of circuit assemblies can be realized, thereby greatly improving the efficiency.

Description

PIN needle passageway detection device

Technical Field

The utility model relates to the field of PIN needle detection, in particular to a PIN needle passage detection device.

Background

With the development of the electric and electronic industry and the advanced electronic industry, PIN needles are often used for precise conductive connection in electronic products such as industry, communication, automobiles, medical treatment, aviation and the like, so that the welding quality of the PIN needles in electronic equipment determines the performance and the service life of the products to a considerable extent.

In the current product demand, the connection of PIN needle and FPC soft board has been involved, and the PIN needle is inlayed in the reinforcing plate to expose syringe needle and needle tail, the structure of this kind of PIN needle is as follows: the needle head is an elastic piece, and the needle tail is cylindrical.

In general, the bonding pad of the FPC is welded to the tail of the PIN, and the welding temperature and time cannot be well controlled, so that the PIN is easily moved out of position due to the thermal deformation of the plastic reinforcing plate, and the PIN is moved in the reinforcing plate due to insufficient firmness, and the movement is understood that the PIN is sunk into the reinforcing plate under the general use condition, so that the circuit connection relationship between the FPC and other circuit elements can only be in an open circuit state.

The existing PIN detection device can only detect whether the PIN is correctly installed or welded in position or not, and cannot detect product defects caused by the fact that a welding problem circuit cannot be conducted to the root cause, for example, in patent document 1, the PIN welding firmness detection device is capable of detecting whether connection between a PIN and a PCB is firm or not by pulling the PIN and reading the reading on a tensile force tester when the PIN falls off instantly as shown in fig. 1, so that whether a product is qualified or not is judged.

Patent document 1 is a chinese utility model patent, and the patent number is 202220121521.2.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a PIN path detection device for testing whether a current passes between a PIN and a circuit assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a PIN needle path detection device for clamping front and back sides of a circuit assembly, the PIN needle path detection device comprising:

conductors are arranged on the upper contact portion and the lower contact portion, and in a folded state, a test welding spot on the circuit assembly is abutted against the conductors of the upper contact portion and the lower contact portion, and a conduction indicator is arranged on the upper contact portion, and is in a communicating state when the conduction indicator is arranged after the circuit assembly is conducted with the conductors.

According to the design conception of the PIN needle passage detection device, a separated structure is adopted,

the separated structure comprises a detection circuit in an open circuit state, when a qualified circuit assembly participates in the detection circuit, the integrity of the detection circuit can be complemented, and under the condition of power on, a conduction indicator can generate light.

Drawings

Fig. 1 is a structural diagram of the prior art.

Fig. 2 is a folded state diagram of the present utility model.

Fig. 3 is an open state diagram of the present utility model.

Fig. 4 is an exploded view of the present utility model.

Fig. 5 is a block diagram of a circuit assembly.

Fig. 6 is a structural view of the base.

Fig. 7 is a cross-sectional view of the present utility model.

Fig. 8 is a structural diagram of the press-fit base plate.

Reference numerals illustrate: 1-a first conductor; 2-LED lamps; 3-a second conductor; 4-testing welding spots;

5-a base; 6-pressing the bottom plate; 7-a circuit assembly; 8-slot structure; 9-positioning grooves;

10-an upper cover plate; 11-an upper cover; 12-handle; 13-rubber foot pads; 14-step structure;

15-wire outlet groove.

Detailed Description

The present utility model will be described in detail below with reference to the drawings. The present utility model is not limited to the following description. The constituent elements disclosed below include elements within a so-called equivalent range, such as elements that can be easily recognized by those skilled in the art, and substantially the same elements.

Fig. 4 is an exploded view of the PIN access detection device. The PIN needle path detection device is a device for performing current test on welding points of the PIN needles on the reinforcing plate and the FPC flexible board after the PIN needles are welded with the FPC flexible board.

The PIN needle passage detection device comprises an upper contact part and a lower contact part, wherein the upper contact part and the lower contact part are connected in a hinged mode, a first conductor 1 and a conduction indicator are arranged on the upper contact part, a second conductor 3 is arranged on the surface, opposite to the conductor of the upper contact part, of the lower contact part after the lower contact part is quite overturned, and the circuit assembly 7 is positioned by overturning the lower contact part or the upper contact part after corresponding to the first conductor 1 and the second conductor 3; the lower contact part is internally provided with a button battery and a circuit board, the circuit board is integrated with a detection circuit and a wire, the circuit board is electrically connected with the first conductor 1 and the second conductor 3 through the wire, the conduction indicator is electrically connected with the first conductor 1 through the wire, the detection circuit is a conventional normally open circuit, after the circuit assembly 7 which is qualified in welding is placed in the circuit assembly, the conduction indicator can emit light and lighten under the condition of electrifying (the conduction indicator is configured under the condition that the circuit assembly 7 is conducted with the conductor, the conduction indicator is in a communication state), and the conduction indicator can be a plurality of LED lamps 2, and the LED lamps 2 and the conductor are welded in series through the wire; if the circuit assembly is unqualified in welding, the lamp light is not on, the welding quality of the circuit assembly can be rapidly identified through the on-lamp and the off-lamp, and the simultaneous detection of a plurality of groups of circuit assemblies can be realized, so that the efficiency is greatly improved.

The detection circuit is a conventional circuit, and the related use of the circuit belongs to on-off on a lead, so that the specific structure and principle of the detection circuit are not repeated.

As shown in fig. 5 and 7, the upper contact portion and the lower contact portion clamp the front and back surfaces of the circuit assembly 7 in a folded state, and the test pad 4 on the circuit assembly 7 abuts against the conductors of the upper contact portion and the lower contact portion.

As shown in fig. 6, the lower contact portion is composed of two parts: through pressfitting bottom plate 6 and base 5 constitution, be equipped with slot position mechanism on the pressfitting bottom plate 6, this slot position structure 8 corresponds circuit assembly 7, and circuit assembly 7 installs in the slot position structure 8 in the back, sink to slot position structure 8, prevent circuit assembly 7 influence the folding between upper contact and the lower contact, be equipped with out wire casing 15 on one side of base 5 for the wire is worn out from base 5.

As shown in fig. 8, the slot structure 8 includes a first slot 81 and a second slot 82, the first slot 81 is located on the pressing base plate 6, the second slot 82 extends from the edge of the first slot 81 to the side surface of the lower contact portion, the first slot 81 is used for positioning the circuit assembly 7, and the second slot 82 is used for passing through the FPC flexible board on the circuit assembly 7, so as to avoid pinching off the FPC flexible board due to folding.

The pressing bottom plate 6 is embedded in the cavity, the inner side edge of the cavity is provided with a step structure 14, and the pressing bottom plate 6 is supported by the step structure 14 after being embedded in the cavity.

It should be noted that the plurality of slot structures 8 are provided on the lamination bottom plate 6 and are also arranged in an equidistant manner, so that the area of the lamination bottom plate 6 corresponding to the slot structures 8 forms an effective area with the circuit assembly 7, and other areas of the lamination bottom plate 6 form an ineffective area with a positioning effect, in other words, the ineffective area is formed by expanding outwards from the periphery of the effective area.

According to the button cell and the circuit board contained in the lower contact portion, the pressing bottom plate 6 can be separated from the lower contact portion, the hollow mechanism is arranged in the lower contact portion, after the pressing bottom plate 6 is separated, the lower contact portion forms a cavity with an upward opening, and the circuit board and the button cell are placed in the cavity.

Wherein, the bottom surface of cavity is equipped with constant head tank 9, and button cell passes through constant head tank 9 and realizes fixing.

The upper contact part consists of an upper cover plate 10 and an upper cover 11, the LED lamp 2 is fixed on the upper cover plate 10,

the upper cover plate 10 is connected with the upper cover 11.

Specifically, the area of the upper cover plate 10 corresponding to the circuit assembly 7 is a viewing port made of transparent material.

Referring to fig. 2-3, the outside of the upper cover 11 may be provided with a handle 12, and by lifting the handle 12,

the upper contact part is separated from the lower contact part, the circuit assembly 7 to be detected is placed into the slot position structure 8, the test welding spot 4 on the bottom surface of the circuit assembly 7 is contacted with the second conductor 3, then the handle 12 is pressed, the upper cover 11 is pressed on the base 5, the first conductor 1 in the upper cover 11 is pressed and contacted with the test welding spot 4 on the upper surface of the circuit assembly 7, so that the whole detection circuit is in a passage state, and whether a PIN needle at the welding spot is welded well is judged visually by judging whether the LED lamp 2 is on or off.

Further, the base 5 may be made of plastic material or metal material, and the bottom surface of the base 5 has a rubber foot 13.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims

1. A PIN needle path detection device for clamping front and back sides of a circuit assembly, the PIN needle path detection device comprising:

2. A PIN access detection device according to claim 1 wherein the lower contact portion has a slot structure positioned on the circuit assembly, the slot structure extending to the side of the contact portion.

3. A PIN access detection device according to claim 2 wherein the slot structure is separable from the contact portion thereof such that the contact portion forms a cavity.

4. A PIN access detection device according to claim 3 wherein the bottom surface within the cavity has a detent.

5. A PIN access detection device according to claim 1 wherein the area of the upper contact corresponding to the circuit assembly is made of a transparent material.

6. A PIN access detection device according to claim 3 wherein the slot structure is embedded in the surface of the lower contact portion and supported by the cavity interior facing the slot structure.

7. A PIN access detection device according to claim 3 wherein the slot structure is provided in a plurality and is arranged in an equally spaced manner to form an active area capable of contacting the circuit assembly with the conductor.

8. A PIN access detection device according to claim 7 wherein the perimeter of the active area expands outwardly to form an inactive area that locates the active area.