CN218181073U

CN218181073U - PCB accessory equipment short circuit detection device

Info

Publication number: CN218181073U
Application number: CN202221982008.9U
Authority: CN
Inventors: 程兴旺; 葛剑; 吴传斌
Original assignee: Jinyao Intelligent Precision Manufacturing Suzhou Co ltd
Current assignee: Jinyao Intelligent Precision Manufacturing Suzhou Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-30
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a PCB accessory equipment short circuit detection device, including the support plate that is used for profile modeling location metal casing, metal casing's inside gomphosis location PCB, the top of support plate is equipped with the apron that rotatory lid merged elasticity crimping PCB, be equipped with the last probe group in a plurality of screw guide pin bushings and the elasticity crimping PCB surface test point position of corresponding PCB surface screw hole in the apron, be equipped with the lower probe group that runs through its inside contact metal casing in the support plate. The utility model discloses a PCB and metal casing directly carry out the short circuit after assembling and detect, avoid assembling the back and shift the station, improve processing and detection efficiency.

Description

PCB accessory equipment short circuit detection device

Technical Field

The utility model belongs to the technical field of the circuit detects, especially, relate to a PCB accessory equipment short circuit detection device.

Background

The PCB and the metal casing are assembled and used in the traditional application environment of automobile parts, the PCB and the metal casing are assembled through screw locking, and whether the position of a PCB power supply welding spot is in contact with the metal casing or not needs to be detected so as to prevent the short circuit problem. The conventional manual inspection by turning over the metal shell has the problem of error leakage. The prior patent No. CN201320310958.1 is a flexible circuit board break and short circuit detection jig, which discloses a detection main board and a dial; and probes which are contacted with the corresponding test points to form electric connection are arranged at the opposite positions of the probe disc and the test points on the circuit board to be tested. The existing detection jig is used for detecting the short circuit of a circuit board to be detected, and when a detection device which is matched with the PCB and a metal shell after the PCB and the metal shell are assembled is required, the detection device which can detect whether the short circuit problem exists between the position of a welding spot of a PCB power supply and the metal shell is required while the assembly position is stably positioned.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem, and provide PCB accessory equipment short circuit detection device to realize that PCB and metal casing equipment back directly carry out the short circuit and detect, avoid the post-assembling to shift the station, improve processing and detection efficiency. In order to achieve the above purpose, the utility model discloses technical scheme as follows:

PCB accessory equipment short circuit detection device, including the support plate that is used for profile modeling location metal casing, metal casing's inside gomphosis location PCB, the top of support plate is equipped with the apron that rotatory lid merges elasticity crimping PCB, be equipped with a plurality of screw guide pin bushings and the last probe group of elasticity crimping PCB surface test point position that correspond PCB surface screw hole in the apron, be equipped with the lower probe group that runs through its inside contact metal casing in the support plate.

Specifically, the support plate is installed on the workstation, go up probe group and probe group down and all be connected to the PLC controller.

Specifically, the surface of support plate is equipped with the recess that sets up with metal casing profile modeling, lower probe group sets up in the recess.

Specifically, the side of support plate is equipped with the apron seat that is used for installing the apron, be connected through the pivot between apron seat and the apron.

Specifically, the workbench is provided with a limiting column for limiting the turnover angle of the cover plate.

Specifically, the front end of the cover plate is provided with a clamping piece matched with the support plate.

Specifically, a plurality of elastic PINs for crimping the surface of the PCB are arranged in the cover plate.

Specifically, be equipped with the step limit that is used for supporting PCB in the metal casing, PCB and metal casing interval set up.

Specifically, a plurality of pins for positioning the PCB are arranged in the metal shell.

Compared with the prior art, the utility model discloses PCB accessory equipment short circuit detection device's beneficial effect mainly embodies:

the rotating cover plate is matched with the carrier plate, so that the PCB is accurately pressed and positioned, and the PCB is prevented from moving in the process of assembling with the metal shell; the cover plate is provided with a plurality of elastic PINs which can elastically position a plurality of positions on the surface of the PCB so as to avoid crushing the PCB; the cover plate is provided with a screw guide sleeve to reserve a space for the position of a locking screw, so that the locking screw can be guided into the screw by the screw locking device to be locked; an upper probe group is arranged in the cover plate, and a lower probe group is arranged in the carrier plate, so that whether a test point on the PCB is in contact with the metal shell or not is detected, whether the test point on the PCB is in short circuit with the metal shell or not is accurately judged, and the quality of the assembled PCB and the metal shell is verified; the whole device realizes the integrated design of assembly and detection, avoids the need of secondary transfer detection after assembly, and can efficiently complete assembly and detection operation.

Drawings

Fig. 1 is a schematic view of the whole structure of the embodiment of the present invention;

FIG. 2 is a schematic diagram of a surface structure of a carrier plate in this embodiment;

FIG. 3 is a schematic view of a bottom structure of the carrier plate in this embodiment;

FIG. 4 is a schematic diagram of a metal housing structure and a PCB assembly structure in this embodiment;

the figures in the drawings represent:

the device comprises a metal shell 1, a PCB11, a screw hole 12, a step edge 13, a carrier plate 2, a workbench 21, a groove 22, a round hole 23, a cover plate seat 24, a limit column 25, a cover plate 3, a screw guide sleeve 31, an elastic PIN32, an upper probe group 4, a lower probe group 5, a buckling part 6 and a PIN 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments.

The embodiment is as follows:

referring to fig. 1-4, the short circuit detection device for PCB assembly in this embodiment includes a carrier plate 2 for profiling and positioning a metal housing 1, a PCB11 embedded inside the metal housing 1, a cover plate 3 disposed above the carrier plate 2 and having a rotary cover and elastically pressing the PCB11, a plurality of screw guide sleeves 31 disposed in the cover plate 3 and corresponding to screw holes 12 on the surface of the PCB11, and an upper probe set 4 disposed at a position of a surface test point of the elastically pressing the PCB11, and a lower probe set 5 disposed in the carrier plate 2 and contacting the metal housing 1 through the interior thereof.

Support plate 2 installs on workstation 21, goes up probe group 4 and probe group 5 down and all is connected to the PLC controller, when PCB 11's test point position and metal casing 1 contact, takes place the short circuit problem, goes up probe group 4 and probe group 5 electrical property down and switches on, and the PLC controller detects discernment and reports to the police through bee calling organ.

The surface of the carrier plate 2 is provided with a groove 22 which is arranged in a profiling way with the metal shell 1, and a round hole 23 which avoids parts on the PCB11 is arranged inside the groove 22. The groove 22 is provided therein with a lower probe set 5, in this embodiment, two probes are provided in the lower probe set 5.

The side of the carrier plate 2 is provided with a cover plate seat 24 for installing the cover plate 3, and the cover plate seat 24 is connected with the cover plate 3 through a rotating shaft, so that the cover plate 3 can be turned over. The workbench 21 is provided with a limiting column 25 for limiting the turning angle of the cover plate 3, and a group of limiting columns 25 correspond to the tail end position of the cover plate 3. The front end of the cover plate 3 is provided with a buckle piece 6 matched with the support plate 2, when the cover plate 3 is turned over to cover the support plate 2, the buckle piece 6 is clamped and locked with the support plate 2, so that the cover plate 3 is covered in place.

Be equipped with in the apron 3 and be used for crimping a plurality of elasticity PIN32 on PCB11 surface, elasticity PIN 32's bottom elasticity crimping PCB11 surface, the quantity of elasticity PIN32 is three in this embodiment, and is located PCB11 surface and be the triangle position and arrange, and the stable crimping PCB11 of a plurality of elasticity PIN32 ensures that follow-up screw equipment targets in place.

The metal shell 1 is internally provided with a step edge 13 for supporting the PCB11, the PCB11 and the metal shell 1 are arranged at intervals, and in order to avoid the power supply welding spot position of the PCB11 contacting the metal shell 1, the electric detection is required to be carried out at the position of the test point.

A plurality of pins 7 used for positioning the PCB11 are arranged in the metal shell 1, so that the stability and accuracy of the PCB11 in the metal shell 1 are guaranteed.

The surface of PCB11 is equipped with a plurality of screw holes 12, and screw hole 12 is three in this embodiment, and is located the PCB surface and is the triangle position and arranges, and screw guide 31 sets up with screw hole 12 is corresponding, exposes screw hole 12 inside and outside the screw guide 31, and when apron 3 lid closed support plate 2, the screw passed through the lock screw device in the screw guide 31 and penetrated the screw hole 12 with the screw and carried out the lock and attach the operation, carries out the short circuit and detects the operation afterwards.

When the embodiment is applied, the cover plate 3 is matched with the carrier plate 2, so that the screw locking operation and the short circuit testing operation are completed in the same set of die, the phenomenon that the PCB11 and the metal shell 1 are transferred again after being assembled for detection is avoided, and the assembling and detecting efficiency is improved.

In the embodiment, the rotating cover plate 3 is matched with the carrier plate 2, and the PCB11 is accurately pressed and positioned, so that the PCB11 is prevented from moving in the process of assembling with the metal shell 1; the cover plate 3 is provided with a plurality of elastic PINs 32 which can elastically position a plurality of positions on the surface of the PCB11 to avoid crushing the PCB11; the cover plate 3 is provided with a screw guide sleeve 31, so that a space is reserved for the position of a locking screw, and the locking operation of the screw introduced by the screw locking device is facilitated; an upper probe group 4 is arranged in the cover plate 3, and a lower probe group 5 is arranged in the carrier plate 2, so that whether the test point on the PCB11 is in contact with the metal shell 1 or not is detected, whether the test point on the PCB11 is in short circuit with the metal shell 1 or not is accurately judged, and the quality of the assembled PCB11 and the assembled metal shell 1 is verified; the whole device realizes the integrated design of assembly and detection, avoids the need of secondary transfer detection after assembly, and can efficiently complete assembly and detection operation.

In the description of the present invention, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. The present invention is not limited to the above embodiments, but may be modified in various forms and details without departing from the spirit and scope of the present invention.

Claims

PCB accessory equipment short circuit detection device, its characterized in that: including the support plate that is used for profile modeling location metal casing, metal casing's inside gomphosis location PCB, the top of support plate is equipped with the apron that rotatory lid merges elasticity crimping PCB, be equipped with a plurality of screw guide pin bushings and the last probe group of elasticity crimping PCB surface test point position that correspond PCB surface screw hole in the apron, be equipped with the lower probe group that runs through its inside contact metal casing in the support plate.
2. The PCB accessory assembly short circuit detection device of claim 1, wherein: the carrier plate is installed on the workstation, go up probe group and probe group down and all be connected to the PLC controller.
3. The PCB accessory assembly short circuit detection device of claim 1, wherein: the surface of support plate is equipped with the recess that sets up with metal casing profile modeling, lower probe group sets up in the recess.
4. The PCB accessory assembly short circuit detection device of claim 1, wherein: the side of the support plate is provided with a cover plate seat for installing a cover plate, and the cover plate seat is connected with the cover plate through a rotating shaft.
5. The PCB assembly short detection device of claim 2, wherein: and the workbench is provided with a limiting column for limiting the turnover angle of the cover plate.
6. The PCB accessory assembly short circuit detection device of claim 1, wherein: the front end of the cover plate is provided with a clamping piece matched with the support plate.
7. The PCB accessory assembly short circuit detection device of claim 1, wherein: and a plurality of elastic PINs for crimping the surface of the PCB are arranged in the cover plate.
8. The PCB accessory assembly short circuit detection device of claim 1, wherein: the metal shell is internally provided with a step edge for supporting the PCB, and the PCB and the metal shell are arranged at intervals.
9. The PCB accessory assembly short circuit detection device of claim 1, wherein: and a plurality of pins for positioning the PCB are arranged in the metal shell.