CN220697529U - High-pressure test quick screening device - Google Patents

Abstract

The utility model relates to the technical field of testing devices, in particular to a high-pressure testing rapid screening device, which comprises a machine table, wherein a testing device, a control instrument and a screening device are fixedly arranged at the top of the machine table; the testing device comprises a carrying table and a pressing device arranged on the carrying table, wherein a lower jig and an upper jig are respectively arranged on opposite sides of the carrying table and the pressing device, the upper jig is electrically connected with a negative electrode of the control instrument through a lead, a plurality of conductive areas are separated on the lower jig, the plurality of conductive areas are arranged on the lower jig and are connected with the control instrument one by one through a plurality of switches on a box body, so that partition control of each conductive area can be realized, whether a problem substrate exists in the conductive area or not can be judged by the control instrument through electrical on-off of the conductive areas during high-voltage testing, the rapid screening effect of the whole plate can be achieved, and the whole structure is simple and novel.

Description

High-pressure test quick screening device

Technical Field

The utility model relates to the technical field of testing devices, in particular to a high-pressure testing quick screening device.

Background

The high voltage test, also called Hi-pot test, refers to the testing of voltage withstand capability of various PCB (Printed Circuit Board ) insulation materials and insulation structures. Generally, the main purpose of high voltage testing is to check the ability of an insulating medium to withstand an operating voltage or overvoltage, and to further check whether the insulating properties of the product equipment meet safety standards.

The high-voltage testing device in the prior art is characterized in that a jig is directly connected with a high-voltage testing controller, the quality of a plate is judged by the controller through electrical conduction between the upper jig and the lower jig, and the high-voltage testing device comprises the high-voltage testing device, a conductive plate group and an insulating clamp, wherein the insulating clamp consists of two clamping frames, the conductive plate group is embedded into the insulating clamp and is connected with the high-voltage testing device through a wire, and the insulating clamp is arranged on a pneumatic testing device and is driven by the pneumatic testing device to firmly clamp a PCB to be tested in the insulating clamp.

Because the board is subjected to an integral high-voltage test mode, when a certain substrate in the board has a problem, the current integral electric on-off design scheme can realize the quick reading judgment and determination of a problem area, so that in order to realize the quick detection and screening of the problem area of the board, the high-voltage test quick screening device is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a high-pressure test quick screening device.

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

the high-voltage test quick screening device comprises a machine table, wherein a test device, a control instrument and a screening device are fixedly arranged at the top of the machine table;

the testing device comprises a carrying platform and a pressing device arranged on the carrying platform, wherein a lower jig and an upper jig are respectively arranged on opposite sides of the carrying platform and the pressing device, the upper jig is electrically connected with a negative electrode of the control instrument through a wire, a plurality of conductive areas are separated on the lower jig, and the conductive areas are electrically connected with a positive electrode of the control instrument through wires one by one through a screening device.

Further, the screening device comprises a box body, a plurality of connectors are arranged on the box body at intervals, the conductive areas are electrically connected with the connectors through wires, a switch is further arranged on the box body, and the connectors are electrically connected with the control instrument through the switch.

Further, the connector is a wire arranging seat, a plurality of wire arranging seats are also arranged on the side edge of the lower jig, each conductive area of the lower jig is electrically connected with each wire arranging seat on the side edge of the lower jig one by one, and the wire arranging seat on the lower jig is connected with the wire arranging seat on the box body through a wire arranging.

Further, the box body is located the connector and the switch department still is provided with the identification portion, the identification portion of connector with the identification portion one-to-one of switch.

Further, the screening device is fixed on the machine table through a support assembly, wherein the screening device is rotationally connected with the support assembly.

Further, the bracket component comprises a vertical rod which is rotatably connected with the machine table, and the top of the vertical rod is fixedly connected with the screening device through an ear seat and a bolt;

the machine is characterized in that a first friction plate is further arranged on the machine table, a second friction plate is connected to the outer side of the vertical rod in a sliding mode, and a spring is arranged between the second friction plate and the vertical rod.

The high-pressure test quick screening device provided by the utility model has the beneficial effects that: according to the utility model, the plurality of conductive areas are arranged on the lower jig and are connected with the control instrument one by one through the plurality of switches on the box body, so that the partition control of each conductive area can be realized, and when the high-voltage test is performed, whether a problem substrate exists in the conductive area or not is judged by the control instrument through the electrical on-off of the conductive area, so that the rapid screening effect of the whole plate is achieved, the whole structure is simple and novel, the operation is convenient, and the screening efficiency of the plate is effectively improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

fig. 3 is an enlarged schematic view of a region a of fig. 2.

In the figure: 1. a machine table; 11. a first friction plate; 2. a testing device; 21. a carrier; 22. a pressing device; 23. a lower smelting tool; 231. a conductive region; 3. a control instrument; 4. a screening device; 41. a case body; 42. a connector; 43. a switch; 5. a bracket assembly; 51. a vertical rod; 52. a friction plate II; 53. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an embodiment of the present utility model discloses a high-voltage test screening device, which includes a machine 1, a testing device 2, a controller 3 and a screening device 4 are fixedly installed on the top of the machine 1, the testing device 2 is disclosed in the prior art and is not described in detail herein, the controller 3 is a high-voltage test controller;

the testing device 2 includes a carrier 21 and a pressing device 22 disposed on the carrier 21, the pressing device 22 is moved by using a pressing plate driven by an air cylinder, a lower jig 23 and an upper jig (not shown) are disposed on opposite sides of the carrier 21 and the pressing device 22 respectively, the upper jig is fixed below the pressing plate, the pressing plate is driven by the air cylinder to move up and down, the upper jig is electrically connected with a negative electrode of the controller 3 through a wire, a plurality of conductive areas 231 are separated on the lower jig 23, the plurality of conductive areas 231 are used for performing high voltage detection on each single plate unit on the dense circuit board, and the plurality of conductive areas 231 are electrically connected with a positive electrode of the controller 3 through wires one by one via the screening device 4.

In some embodiments, the screening device 4 includes a case 41, a plurality of connectors 42 are disposed on the case 41 at intervals, the conductive areas 231 are electrically connected with the connectors 42 through wires, a switch 43 is further disposed on the case 41, the switch 43 is a push-to-self-locking switch, the connectors 42 are electrically connected with the controller 3 through the switch 43, that is, the plurality of switches 43 tap the positive circuit of the controller 3 out of a plurality of branches and electrically connect with the connectors 42 one by one, and during testing, a user can rotate the on/off of the corresponding switch 43 to control the on/off of the electrical of the different conductive areas 231.

Specifically, when in operation, the plate with the test is placed on the lower jig 23, the upper jig is driven by the pressing device 22 to be matched with the lower jig 23 to clamp the plate, the switch 43 on the post of the box body 41 is fully opened before the test, and when the control instrument 3 alarms, the plate has high-voltage defect;

the box 41 is firstly closed by 5 switches 43 according to a certain sequence, such as a sequence of 1-15, the test button of the controller 3 is pressed, if no alarm is given, the bad plate is between 1-5, then 3 switches 43 are opened, the test button is pressed for checking, if no alarm is given, then 1 is opened for checking, if the alarm is given, the bad conducting area 231 is not given, the rest conducting area 231 is checked by analogy according to the method, thereby realizing the high-voltage quick screening of the plate to select bad products, effectively improving the test efficiency of the dense circuit board, and after the test is finished, the control switches 43 are all opened for the next test.

On the basis of the implementation, the connector 42 is a wire arrangement seat, a plurality of wire arrangement seats are also arranged on the side edge of the lower jig 23, each conductive area 231 of the lower jig 23 is electrically connected with each wire arrangement seat on the side edge of the lower jig, the wire arrangement seat on the lower jig 23 is connected with the wire arrangement seat on the box 41 through a wire arrangement, and the wire arrangement seat is connected in a manner that firstly, the connection is convenient, and secondly, the wire arrangement has a certain flexible wire so as to be convenient for wire arrangement fixation.

In addition, in order to facilitate the user to observe the connector 42 corresponding to each switch 43 to realize quick control, in the embodiment of the present utility model, the positions of the box 41 at the connector 42 and the switches 43 are further provided with identification portions, where the identification portions of the connector 42 and the identification portions of the switches 43 are in one-to-one correspondence, and in particular, in this embodiment, the identification portions may be set as one of numbers, chinese characters or graphics.

In other words, in the exemplary embodiment of the present utility model, the screening device 4 is fixed to the machine table 1 by means of a support assembly 5, wherein the screening device 4 is rotatably connected to the support assembly 5.

On the basis of the embodiment, the bracket assembly 5 comprises a vertical rod 51 rotatably connected to the machine table 1, and the top of the vertical rod 51 is fixedly connected with the screening device 4 through an ear seat and a bolt;

the machine table 1 is further provided with a first friction plate 11, the first friction plate 11 is fixedly installed on the machine table 1 and sleeved on the outer side of the upright rod 51, the outer side of the upright rod 51 is slidably connected with a second friction plate 52, it can be understood that in the embodiment, the second friction plate 52 can only axially slide with the upright rod 51, a limiting plate can be fixed on the outer side of the upright rod 51 in a circumferential limiting state, a spring 53 is arranged between the second friction plate 52 and the upright rod 51, and the spring 53 can be arranged between the limiting plate and the second friction plate 52.

In summary, in this embodiment, the manner of supporting the box 41 by the upright rod 51 is adopted, the elevation angle of the box 41 can be adjusted by the ear blocks and the bolts, and meanwhile, the rotation angle of the upright rod 51 can be adjusted by rotating under the cooperation of the first friction plate 11 and the second friction plate 52, so that the box 41 can be controlled at multiple positions according to the actual requirement in operation, and a more humanized operation effect is achieved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a high-pressure test fast screen device, includes board (1), its characterized in that: the top of the machine table (1) is fixedly provided with a testing device (2), a control instrument (3) and a screening device (4);

the testing device (2) comprises a carrying table (21) and a pressing device (22) arranged on the carrying table (21), wherein a lower jig (23) and an upper jig are respectively arranged on opposite sides of the carrying table (21) and the pressing device (22), the upper jig is electrically connected with a negative electrode of the control instrument (3) through a wire, a plurality of conductive areas (231) are separated on the lower jig (23), and the conductive areas (231) are electrically connected with a positive electrode of the control instrument (3) through wires one by one through a screening device (4).

2. The high pressure test screen apparatus of claim 1, wherein: the screening device (4) comprises a box body (41), a plurality of connectors (42) are arranged on the box body (41) at intervals, the conductive areas (231) are electrically connected with the connectors (42) through wires, a switch (43) is further arranged on the box body (41), and the connectors (42) are electrically connected with the control instrument (3) through the switch (43).

3. A high pressure test screen apparatus as defined in claim 2 wherein: the connector (42) is a wire arranging seat, a plurality of wire arranging seats are also arranged on the side edge of the lower jig (23), each conductive area (231) of the lower jig (23) is electrically connected with each wire arranging seat on the side edge of the lower jig, and the wire arranging seat on the lower jig (23) is connected with the wire arranging seat on the box body (41) through a wire arranging.

4. A high pressure test screen apparatus as defined in claim 2 wherein: the box body (41) is located the connector (42) and the switch (43) department still is provided with identification portion, the identification portion of connector (42) with the identification portion one-to-one of switch (43).

5. The high pressure test screen apparatus of claim 1, wherein: the screening device (4) is fixed on the machine table (1) through a support assembly (5), wherein the screening device (4) is rotationally connected with the support assembly (5).

6. The high pressure test screen apparatus of claim 5, wherein: the support assembly (5) comprises a vertical rod (51) rotatably connected to the machine table (1), and the top of the vertical rod (51) is fixedly connected with the screening device (4) through an ear seat and a bolt;

the machine table (1) is further provided with a first friction plate (11), a second friction plate (52) is connected to the outer side of the vertical rod (51) in a sliding mode, and a spring (53) is arranged between the second friction plate (52) and the vertical rod (51).