CN218727435U

CN218727435U - Detection equipment for testing power consumption and functions of PCBA of capacitance pen

Info

Publication number: CN218727435U
Application number: CN202222457499.1U
Authority: CN
Inventors: 蔡仲伦; 李照锁; 苏庆丰; 张宁
Original assignee: Square Harmony Beijing Technology Co ltd
Current assignee: Square Harmony Beijing Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-24
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a detection device for testing power consumption and functions of a capacitance pen PCBA, which comprises a PC, a burning test tool, a tool fixture, a Y-axis moving module, a Z-axis lifting module, a switching component, a probe and a control unit; the Y-axis moving module and the Z-axis lifting module are respectively arranged horizontally and vertically, the fixture jig is arranged on the Y-axis moving module, and the PCBA jointed board to be detected is installed on the fixture jig; the switching assembly is arranged on the Z-axis lifting module, and the probe is arranged on the switching assembly; the Y-axis moving module, the Z-axis lifting module and the probe are all connected with the control unit, the probe is connected with the burning test tool, and the burning test tool and the control unit are all connected with the PC. The advantages are that: the PCBA veneers are assembled into the PCBA jointed board and then tested, a plurality of PCBA veneers can be tested simultaneously, batch testing of the PCBA veneers is achieved, man-hours for manual feeding and discharging and product testing time can be reduced, and testing efficiency is improved.

Description

Detection equipment for testing power consumption and functions of capacitance pen PCBA

Technical Field

The utility model relates to an electric capacity pen test technical field especially relates to a check out test set for testing electric capacity pen PCBA consumption and function.

Background

With the application of the capacitive stylus to electronic products such as mobile phones and flat panels, particularly the popularization and use of Pencil of apples and surface pen of microsoft, the capacitive stylus is more and more widely used; in recent years, the technology of the capacitance pen is rapidly developed, and the capacitance pen has the characteristics of high point reporting rate, large pressure level, supporting pen inclination angle and the like.

The touch screen is used for touch control of electronic equipment such as mobile phones and computers with capacitive touch screens. With the development of APP, a capacitive pen is not simply a function of replacing a finger to control, and more professionals use an active capacitive pen to work on mobile equipment, such as note recording, drawing creation, document standards, drawing and the like.

The capacitive pen is composed of a plurality of components, including a main control circuit board, a power supply, a pen shell, a pen point and the like, wherein the main control circuit board is a core component, and the function of the main control circuit board directly influences the function of the whole capacitive pen, so that the circuit board is very necessary to be subjected to related performance tests before assembly.

A PCBA panel is a complete plate made up of multiple PCBA single plates, as shown in fig. 1, and in the actual production process, in order to ensure that each PCBA single plate functions normally, it needs to be tested, and the complete assembly can be performed after the test function is normal.

The existing testing mode is to manually test each PCBA single plate, observe each working parameter of the single plate through a voltmeter and an ammeter, and then manually judge whether the single plate is qualified, and the mode is low in efficiency, has deviation in manual judgment, has no data to be stored, and is not suitable for batch production of a production line.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a check out test set for testing electric capacity pen PCBA consumption and function to solve the aforementioned problem that exists among the prior art.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a detection device for testing power consumption and functions of a capacitance pen PCBA comprises a PC, a burning test tool, a tool fixture, a Y-axis moving module, a Z-axis lifting module, a switching assembly, a probe and a control unit; the Y-axis moving module and the Z-axis lifting module are respectively horizontally and vertically arranged, the tooling fixture is arranged on the Y-axis moving module and can be driven by the Y-axis moving module to horizontally move towards the direction close to or away from the Z-axis lifting module, and PCBA jointed boards to be detected are installed on the tooling fixture; the switching assembly is arranged on the Z-axis lifting module, can be driven by the Z-axis lifting module to move up and down in a direction close to or far away from the Y-axis moving module, and is mounted on the switching assembly; the Y-axis moving module, the Z-axis lifting module and the probe are all connected with the control unit, the probe is connected with the burning test tool, and the burning test tool and the control unit are all connected with the PC.

Preferably, the tooling jig comprises a jig plate and a connecting rod, the jig plate is horizontally arranged, the lower surface of the jig plate is connected with at least one connecting rod vertical to the jig plate, the other end of the connecting rod is connected with the Y-axis moving module, the upper surface of the jig plate is sunken downwards to form a mounting groove, and PCBA jointed boards to be detected are placed in the mounting groove.

Preferably, the upper surface of the jig plate is provided with a notch communicated with the mounting groove on two opposite sides of the mounting groove respectively.

Preferably, the switching assembly comprises a switching plate, a guide connecting plate and a probe mounting plate, the probe mounting plate is horizontally arranged, the guide connecting plate is arranged above the probe mounting plate in parallel at intervals, and the guide connecting plate is fixedly connected with the probe mounting plate through at least one fixed rod; one side of the guide connecting plate is connected with an adapter plate, and the adapter plate is connected with the Z-axis lifting module; the lower surface of the probe mounting plate is uniformly provided with a plurality of vertically and downwardly extending probes.

Preferably, the control unit comprises a PLC controller, a programmable power supply connected with the PLC controller and a power supply connected with the programmable power supply; the PLC controller with programme-controlled power all with the PC is quick-witted is connected, Y axle removes the module, Z axle lift module and the probe all with the PLC controller links to each other.

Preferably, the detection device further comprises a chassis, the Y-axis moving module and the Z-axis lifting module are arranged on the upper surface of the chassis, and the control unit is arranged inside the chassis.

Preferably, a power supply connector connected with a power supply is arranged on the outer wall of the case, and the power supply connector is connected with an external power supply.

Preferably, a control panel is arranged on the outer wall of the case, and the control panel is connected with the PLC.

Preferably, the control panel comprises a status indicator lamp, a start-stop button and an emergency stop button which are arranged at intervals.

Preferably, an inclined transition surface is formed between the front side surface and the upper surface of the chassis, and the control panel is disposed on the transition surface.

The utility model has the advantages that: 1. move the module through the Y axle and move the module with the Z axle and drive respectively and wait to detect PCBA makeup and probe and be close to each other pegging graft, realize the function and the consumption test to the PCBA makeup, efficiency of software testing is high, and degree of automation is high. 2. The PCBA veneers are assembled into the PCBA jointed board and then tested, a plurality of PCBA veneers can be tested simultaneously, batch testing of the PCBA veneers is achieved, man-hours for manual feeding and discharging and product testing time can be reduced, and testing efficiency is improved. 3. The test is carried out before the whole pen is assembled, so that the problem can be found in advance, the problem found after the whole pen is assembled is avoided, and the condition of manpower and material waste caused by disassembly is avoided.

Drawings

FIG. 1 is a schematic structural view of a PCBA panel;

fig. 2 is a schematic structural diagram of a detection device in an embodiment of the present invention;

fig. 3 is an assembly view of the tooling fixture and the Y-axis moving module according to the embodiment of the present invention;

fig. 4 is an assembly view of the adaptor assembly and the Z-axis lifting module according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a test of a detection device according to an embodiment of the present invention;

fig. 6 is a flow chart of the testing of the detecting device in the embodiment of the present invention.

In the figure: 1. detecting PCBA jointed boards; 2. tooling a fixture; 21. a jig plate; 22. a connecting rod; 23. mounting grooves; 24. a notch; 3. a Y-axis moving module; 4. a probe; 5. a switching component; 51. an adapter plate; 52. A guide connecting plate; 53. a probe mounting plate; 54. fixing the rod; 6. a Z-axis lifting module; 7. a chassis; 8. A transition surface; 9. an emergency stop button; 10. a status indicator light; 11. a start-stop button; 12. and (3) a support leg.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.

As shown in fig. 2, in the present embodiment, a detection device for testing power consumption and functions of a capacitance pen PCBA is provided, which includes a PC, a burning test fixture, a fixture jig 2, a Y-axis moving module 3, a Z-axis lifting module 6, a switching component 5, a probe 4, and a control unit; the Y-axis moving module 3 and the Z-axis lifting module 6 are respectively horizontally and vertically arranged, the tooling jig 2 is arranged on the Y-axis moving module 3, the tooling jig 2 can be driven by the Y-axis moving module 3 to horizontally move towards the direction close to or away from the Z-axis lifting module 6, and the PCBA jointed board 1 to be detected is installed on the tooling jig 2; the switching component 5 is arranged on the Z-axis lifting module 6, the switching component 5 can be driven by the Z-axis lifting module 6 to move up and down in a direction close to or far away from the Y-axis moving module 3, and the probe 4 is arranged on the switching component 5; the Y-axis moving module 3, the Z-axis lifting module 6 and the probe 4 are all connected with the control unit; the probe 4 is connected with the burning test tool, and the burning test tool and the control unit are both connected with the PC.

The PC is internally provided with complete detection software, when the functional power consumption of the PCBA jointed board is tested, each PCBA single board needs to be connected with each path of PCBA single board through a probe 4 for testing, each PCBA single board is connected with the probe and is communicated with the detection software in the PC through a burning test tool, the PC is respectively connected with a control unit and the burning test tool, and the whole process is controlled by the detection software in the PC; the detection software controls the Y-axis moving module 3 to drive the PCBA to be detected 1 to move horizontally in the test area through the control unit, controls the Z-axis lifting module 6 to drive the probe 4 to move up and down in the test area, and then enables the probe 4 to be spliced with the PCBA to be detected 1, so that the purpose of testing is achieved.

As shown in fig. 3, in this embodiment, the tooling jig 2 includes a jig plate 21 and a connecting rod 22, the jig plate 21 is horizontally disposed, the lower surface of the jig plate 21 is connected with at least one connecting rod 22 perpendicular to the jig plate, the other end of the connecting rod 22 is connected with the Y-axis moving module 3, the upper surface of the jig plate 21 is recessed downward to form a mounting groove 23, and the PCBA jigsaw 1 to be detected is placed in the mounting groove 23.

The PCBA jointed board 1 to be detected is placed in the mounting groove 23 and is positioned through the positioning pin; the jig plate 21 is made of a black bakelite plate, the mounting groove 23 is machined by a precision milling machine, and the precision reaches +/-0.01 mm. The connecting rod 22 is made of SUS304 stainless steel through precision machining.

In this embodiment, in order to realize that manual feeding and taking are convenient, the upper surface of the jig plate 21 is provided with a notch 24 communicated with the mounting groove 23 on two opposite sides of the mounting groove 23 respectively.

As shown in fig. 4, in the present embodiment, the adapter assembly 5 includes an adapter plate 51, a guide connection plate 52 and a probe mounting plate 53, the probe mounting plate 53 is horizontally disposed, the guide connection plate 52 is disposed above the probe mounting plate 53 in parallel and spaced, and the guide connection plate 52 is fixedly connected to the probe mounting plate 53 through at least one fixing rod 54; one side of the guide connecting plate 52 is connected with an adapter plate 51, and the adapter plate 51 is connected with the Z-axis lifting module 6; the lower surface of the probe mounting plate 53 is uniformly provided with a plurality of vertically downwardly extending probes 4.

The probe 4 is accurately positioned by using a hole interference fit positioning and guiding connecting plate 52. The hole site machining precision on the probe mounting plate 53 is +/-0.01 mm, and the purpose is to realize the clamping positioning and the verticality accuracy of the probe 4.

Guide mounting board and keysets 51 accessible screw are locked, can control the adjustment between the two for adjust probe 4 and wait to detect the counterpoint of PCBA makeup 1, probe 4 can reciprocate in real time through Z axle lift module 6, realizes probe 4's accurate location and displacement, and then realizes the location test.

In this embodiment, the control unit includes a PLC controller, a programmable power supply connected to the PLC controller, and a power supply connected to the programmable power supply; the PLC controller and the programmable power supply are connected with the PC, and the Y-axis moving module 3, the Z-axis lifting module 6 and the probe 4 are connected with the PLC controller.

The program-controlled power supply is used for supplying power to the PCBA jointed board 1 to be detected, communicating with the PC, testing the current of the PCBA jointed board, controlling the power supply voltage in real time and reading the current value of the PCBA jointed board 1 to be detected. The movement of the Y-axis moving module 3 and the Z-axis lifting module 6 is realized by the control of a PLC (programmable logic controller) by detection software in a PC (personal computer). The operation of the probe 4 is also controlled by the PLC controller.

In this embodiment, the detection apparatus further includes a chassis 7, the Y-axis moving module 3 and the Z-axis lifting module 6 are disposed on an upper surface of the chassis 7, and the control unit is disposed inside the chassis 7. The case 7 can protect the control unit and prevent the control unit from being exposed to the outside and damaged.

In this embodiment, a power connector connected to a power supply is disposed on an outer wall of the case 7, and the power connector is connected to an external power supply. The power supply provides continuous electric energy for the program control power supply, can store certain electric energy, stores electricity when being connected with the external power supply, and ensures that the detection equipment can still work for a period of time without the external power supply.

In this embodiment, a control panel is arranged on the outer wall of the case 7, and the control panel is connected with the PLC controller. The control panel comprises a state indicator lamp 10, a start-stop button 11 and an emergency stop button 9 which are arranged at intervals. The number of the status indicator lamps 10 can be set according to actual conditions so as to better meet actual requirements. Whether the detection equipment can work normally is confirmed through the flickering or the on-off of the status indicator lamp 10. The start-stop button 11 is used for controlling the start and stop of the detection device. The emergency stop button 9 is used for forcibly stopping the detection flow of the detection device in case of emergency.

In this embodiment, an inclined transition surface 8 is formed between the front side surface and the upper surface of the chassis 7, and the control panel is disposed on the transition surface 8.

In this embodiment, four corners of the bottom of the casing 7 are respectively provided with a support leg 12 extending downward.

In this embodiment, a principle structure of the detection device when performing power consumption and function detection on a to-be-detected PCB panel is shown in fig. 5. Wherein the content of the first and second substances,

1. a PC machine: the PLC is respectively connected with the programmable power supply and the burning test tool, and the whole process is controlled by detection software in the PC;

2. burning test tooling: connecting each path of PCBA single board through a probe 4; the burning test tool is communicated with software in the PC, and is connected with the PCBA to be detected through the probe, so that information transmission between the PCBA to be detected and the PC is realized, and further power consumption and function tests are realized;

3. a program-controlled power supply: supplying power to the PCBA single boards, testing the current of each PCBA single board, communicating with PC end software, controlling the power supply voltage in real time and reading the current value of the PCBA;

4. a PLC control system:

(1) The action control and the channel switching control during current test of the whole mechanism are carried out;

(2) Dividing the power supply end of the programmable power supply into 16 paths through the relay and respectively connecting the 16 paths to the probe 4 of each path of PCB power supply port, so that the control of each path of PCB power supply can be realized by controlling the on-off of the relay;

(3) Receiving an instruction of detecting software in the PC, performing corresponding action and feeding back an action result;

(4) And controlling the panel.

As shown in fig. 6, in this embodiment, the process of performing power consumption and function detection on the PCBA jointed board 1 to be detected by using the detection device is as follows: the detection equipment is automatically initialized after being powered on, after initialization is completed, the tooling jig 2 is positioned at a feeding station, and the probe 4 is positioned at a waiting station; after manual completion detects PCBA makeup 1 material loading, click and open and stop button 11 and start, the Y axle removes module 3 forward motion this moment, it arrives the test position to drive detects PCBA makeup 1, after Y axle removes module 3 targets in place, control Z axle lift module 6 and drive probe 4 downstream, each pad position on detecting PCBA makeup 1 is touched in the descending of probe 4, then get into the consumption test flow of PCBA makeup, after the test is accomplished, Z axle lift module 6 upward movement, after reaching and waiting the position of finding, Y axle removes module 3 reverse motion and moves back to the material loading station, artifical unloading, detect that will test the completion and detect PCBA makeup 1 and take off, and carry out further processing according to the test result.

Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:

the utility model provides a check out test set for testing electric capacity pen PCBA consumption and function removes the module through the Y axle and drives respectively with Z axle and wait to detect PCBA makeup and probe and be close to the grafting each other, realizes function and consumption test to the PCBA makeup, and efficiency of software testing is high, and degree of automation is high. The PCBA single boards are assembled into the PCBA jointed board and then tested, a plurality of PCBA single boards can be tested simultaneously, batch testing of the PCBA single boards is achieved, man-hour and product testing time of manual feeding and discharging can be reduced, and testing efficiency is improved. The test is carried out before the whole pen is assembled, so that the problem can be found in advance, the problem found after the whole pen is assembled is avoided, and the condition of manpower and material waste caused by disassembly is avoided.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.

Claims

1. The utility model provides a check out test set for testing electric capacity pen PCBA consumption and function which characterized in that: the device comprises a PC (personal computer), a burning test tool, a tool fixture, a Y-axis moving module, a Z-axis lifting module, a switching component, a probe and a control unit; the Y-axis moving module and the Z-axis lifting module are respectively arranged horizontally and vertically, the tool jig is arranged on the Y-axis moving module and can be driven by the Y-axis moving module to move horizontally towards the direction close to or away from the Z-axis lifting module, and the PCBA to be detected is mounted on the tool jig; the switching assembly is arranged on the Z-axis lifting module, can be driven by the Z-axis lifting module to move up and down in a direction close to or far away from the Y-axis moving module, and is mounted on the switching assembly; the Y-axis moving module, the Z-axis lifting module and the probe are all connected with the control unit, the probe is connected with the burning test tool, and the burning test tool and the control unit are all connected with the PC.

2. The detection apparatus for testing power consumption and functionality of a capacitive stylus PCBA as recited in claim 1, wherein: the fixture comprises a fixture plate and a connecting rod, the fixture plate is horizontally arranged, the lower surface of the fixture plate is connected with at least one connecting rod vertical to the fixture plate, the other end of the connecting rod is connected with the Y-axis moving module, the upper surface of the fixture plate is sunken downwards to form a mounting groove, and PCBA jointed boards to be detected are placed in the mounting groove.

3. The detection apparatus for testing power consumption and functionality of a capacitive stylus PCBA as recited in claim 2, wherein: the upper surface of the jig plate is provided with a notch communicated with the mounting groove on two opposite sides of the mounting groove respectively.

4. The test equipment for testing power consumption and functions of the capacitance pen PCBA as recited in claim 1, wherein: the adapter assembly comprises an adapter plate, a guide connecting plate and a probe mounting plate, the probe mounting plate is horizontally arranged, the guide connecting plate is arranged above the probe mounting plate in parallel at intervals, and the guide connecting plate is fixedly connected with the probe mounting plate through at least one fixed rod; one side of the guide connecting plate is connected with an adapter plate, and the adapter plate is connected with the Z-axis lifting module; the lower surface of the probe mounting plate is uniformly provided with a plurality of vertically and downwardly extending probes.

5. The detection apparatus for testing power consumption and function of a capacitive pen PCBA as claimed in any one of claims 1 to 4, wherein: the control unit comprises a PLC controller, a programmable power supply connected with the PLC controller and a power supply connected with the programmable power supply; the PLC controller with programme-controlled power all with the PC is quick-witted is connected, Y axle removes the module, Z axle lift module and the probe all with the PLC controller links to each other.

6. The detection apparatus for testing power consumption and functionality of a capacitive stylus PCBA as recited in claim 5, wherein: the detection equipment further comprises a case, the Y-axis moving module and the Z-axis lifting module are arranged on the upper surface of the case, and the control unit is arranged inside the case.

7. The detection apparatus for testing power consumption and functionality of a capacitive stylus PCBA as recited in claim 6, wherein: and a power supply connector connected with a power supply is arranged on the outer wall of the case, and the power supply connector is connected with an external power supply.

8. The detection apparatus for testing power consumption and functionality of a capacitive stylus PCBA as recited in claim 6, wherein: and a control panel is arranged on the outer wall of the case and is connected with the PLC.

9. The detection apparatus for testing power consumption and functionality of a capacitive stylus PCBA as recited in claim 8, wherein: the control panel comprises state indicating lamps, a start-stop button and an emergency stop button which are arranged at intervals.

10. The detection apparatus for testing power consumption and functionality of a capacitive stylus PCBA as recited in claim 8, wherein: an inclined transition surface is formed between the front side surface and the upper surface of the case, and the control panel is arranged on the transition surface.