CN216209650U

CN216209650U - Testing arrangement with PCBA simulation function

Info

Publication number: CN216209650U
Application number: CN202122282268.7U
Authority: CN
Inventors: 童小飞; 董辉武
Original assignee: Kunshan Yingfan Precision Metal Co ltd
Current assignee: Kunshan Yingfan Precision Metal Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-04-05
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a testing device with a PCBA (printed circuit board assembly) simulation function, which comprises a testing tool arranged on a fixed seat, a fan simulation testing tool connected with the testing tool, a power module and a control module connected with the testing tool, wherein the testing tool is provided with a plurality of welding contacts for the PCBA contacts to be detected to contact, and when the PCBA to be detected is placed in the testing tool, the fan simulation tool, the power module, the control module and the PCBA to be detected form a loop. The test tool for simulating the function of the PCBA can completely simulate the function application after normal assembly. This supply PCBA simulation function's test tool to the management and control of the 3 looks PCBAs of all supplied materials or the PCBA of producing the line, can all use this test tool to accomplish the test of PCBA functional characteristic, and this simple and easy test of preparation is convenient.

Description

Testing arrangement with PCBA simulation function

Technical Field

The utility model relates to a testing device with a PCBA simulation function, in particular to a testing device with a PCBA simulation function, which is high in good product detection rate.

Background

PCBA is through PCB blank board SMT piece-loading, through the whole process of DIP plug-in components again, and the PCBA test is the most crucial quality control link in the whole PCBA manufacturing procedure, decides the final performance of product, but present PCBA detects, compares the affirmation through PCBA's data outward appearance, can't correctly judge to the material (such as electric capacity appearance value etc.) that is difficult for distinguishing, so can't ensure the complete accuracy of material.

Aiming at the problem that no auxiliary tool capable of directly testing the function is available for effective detection in the conventional incoming material processing PCBA, the conventional appearance inspection by comparing the position data of the parts is still maintained, the characteristics of the parts cannot be effectively tested and confirmed, and whether the articles of the incoming materials are truly good products cannot be guaranteed, so that a testing tool is urgently needed for completing the testing of the functional characteristics of the PCBA.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a testing device with a PCBA simulation function, and the testing device has the characteristic of high yield detection rate.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a testing arrangement with PCBA simulation function which innovation point lies in: the testing arrangement with PCBA simulation function including set up the test fixture on the fixing base, with fan simulation fixture that test fixture links to each other, with power module and the control module that test fixture links to each other, be provided with on the test fixture and supply to wait to detect a plurality of welding contact of PCBA contact, wait to detect PCBA and arrange in during the test fixture, fan simulation fixture power module and control module and wait to detect PCBA and form the return circuit.

Preferably, the test tool is provided with 7 welding contacts, including a first welding contact, a second welding contact and a third welding contact which are connected with the fan simulation tool through three outgoing lines, a fourth welding contact and a fifth welding contact which are connected with the power module through power lines, a sixth welding contact and a seventh welding contact which are connected with the control module through signal lines, and the PCBA to be detected is provided with a coil U input point, a coil V input point, a coil W input point, a power input point P, a power input point S, a speed signal end V and a PWM signal input end G which are respectively in one-to-one corresponding contact with the 7 welding contacts.

Preferably, the fan simulation tool comprises a three-phase coil, fan blades connected with the three-phase coil, and three outgoing lines respectively connected with the three-phase coil.

Preferably, a coil U output point, a coil V output point and a coil W output point which are connected with the three outgoing lines respectively are arranged on the three-phase coil.

Preferably, the three-phase coil and the fan blades are arranged in an outer frame; the fan blades are magnetized fan blades.

Preferably, the power module is a DC power supply, the DC power supply is provided with a power supply positive output point and a power supply negative output point, and the power supply positive output point and the power supply negative output point are respectively connected with the power supply input point P and the power supply input point S through the power lines.

Preferably, the control module comprises a rotation speed tester or an oscilloscope connected with the speed signal end V through the signal line, and a signal generator connected with the PWM signal input end G through the signal line, wherein the connection part of the rotation speed tester or the oscilloscope and the signal line is provided with a speed signal input end, and the connection part of the signal generator and the signal line is provided with a PWM signal output end.

Preferably, the fixing seat is arranged in the vertical lifting mechanism.

Preferably, the vertical lifting mechanism is one of a crank-slider mechanism, a vertically arranged servo motor, a vertically arranged hydraulic cylinder or a cylinder.

Preferably, the vertical lifting mechanism is controlled within a preset range of up-down stroke.

The utility model has the advantages that: through adopting above-mentioned structure, this supply PCBA simulation function's test tool, it can simulate normally assembled function application completely. This supply PCBA simulation function's test tool to the management and control of the 3 looks PCBAs of all supplied materials or the PCBA of producing the line, can all use this test tool to accomplish the test of PCBA functional characteristic, and this simple and easy test of preparation is convenient.

Drawings

The utility model is described in further detail below with reference to the figures and the detailed description.

FIG. 1 is a schematic structural diagram of a test apparatus with PCBA simulation function according to the present invention.

Fig. 2 is a schematic structural diagram of a fan simulation tool in a testing device with a PCBA simulation function according to the present invention.

Fig. 3 is a schematic structural diagram of a test fixture in a test device with a PCBA simulation function according to the present invention.

Fig. 4 is a schematic structural diagram of a power module and a control module in a testing apparatus with PCBA simulation function according to the present invention.

FIG. 5 is a block diagram of a PCBA in the testing apparatus with PCBA simulation function according to the present invention.

FIG. 6 is a schematic diagram of a PCBA structure of the testing apparatus with PCBA simulation function according to the present invention.

In the figure: 1-a fixed seat, 2-a test tool, 21-a first welding contact, 22-a second welding contact, 23-a third welding contact, 24-a fourth welding contact, 25-a fifth welding contact, 26-a sixth welding contact, 27-a seventh welding contact, 3-a fan simulation tool, 31-a three-phase coil, 32-a coil U output point, 33-a coil V output point, 34-a coil W output point, 35-fan blades, 36-an outer frame, 4-a power supply module, 41-a power supply positive electrode output point, 42-a power supply negative electrode output point, 5-a control module, 51-a rotating speed tester or oscilloscope, 52-a signal generator, 53-a speed signal input end, 54-a PWM signal output end, 6-PCBA to be detected, 61-coil U input point, 62-coil V input point, 63-coil W input point, 64-power input point P, 65-power input point S, 66-speed signal terminal V, 67-PWM signal input terminal G, 7-outlet line, 8-power line, 9-signal line.

Detailed Description

The testing device with the PCBA simulation function comprises a testing tool 2 arranged on a fixed seat 1, a fan simulation tool 3 connected with the testing tool, a power module 4 and a control module 5 connected with the testing tool, wherein the testing tool is provided with a plurality of welding contacts for the PCBA6 contact to be detected to contact, and when the PCBA to be detected is placed in the testing tool, the fan simulation tool, the power module, the control module and the PCBA to be detected form a loop. Through adopting above-mentioned structure, this supply PCBA simulation function's test tool, it can simulate the function application after the normal equipment completely. This supply PCBA simulation function's test tool to the management and control of the 3 looks PCBAs of all supplied materials or the PCBA of producing the line, can all use this test tool to accomplish the test of PCBA functional characteristic, and this simple and easy test of preparation is convenient.

The testing tool is provided with 7 welding contacts, and comprises a first welding contact 21, a second welding contact 22 and a third welding contact 23 which are connected with the fan simulation tool through three outgoing lines 7, a fourth welding contact 24 and a fifth welding contact 25 which are connected with a power module through a power line 8, a sixth welding contact 26 and a seventh welding contact 27 which are respectively connected with a control module through a signal line 9, and a coil U input point 61, a coil V input point 62, a coil W input point 63, a power input point P64, a power input point S65, a speed signal end V66 and a PWM signal input end G67 which are respectively in one-to-one corresponding contact with the 7 welding contacts are arranged on the PCBA to be detected.

The fan simulation tool comprises a three-phase coil 31, fan blades 35 connected with the three-phase coil and three outgoing lines 7 respectively connected with the three-phase coil. And a coil U output point 32, a coil V output point 33 and a coil W output point 34 which are respectively connected with the three outgoing lines are arranged on the three-phase coil. The three-phase coil and the fan blades are disposed in the outer frame 36, the fan blades being magnetized fan blades.

The power supply module is a DC power supply, a power supply positive output point 41 and a power supply negative output point 42 are arranged on the DC power supply, and the power supply positive output point and the power supply negative output point are respectively connected with a power supply input point P64 and a power supply input point S65 through a power supply line 8. The control module comprises a rotating speed tester or oscilloscope 51 connected with a speed signal end V through a signal line 9 and a signal generator 52 connected with a PWM signal input end G through the signal line 9, wherein a speed signal input end 53 is arranged at the connection part of the rotating speed tester or oscilloscope and the signal line, and a PWM signal output end 54 is arranged at the connection part of the signal generator and the signal line.

The above-mentioned fixed base 1 is provided in a vertical lift mechanism, not shown in the drawing. The vertical lifting mechanism is one of a crank slide block mechanism, a vertically arranged servo motor, a vertically arranged hydraulic cylinder or a cylinder; the vertical lifting mechanism is controlled within a preset range in the up-down stroke range.

The specific working process is as follows: the test tool to be introduced at present is manufactured by a simulation loop (this is 3-phase insensible, does not need HALL induction drive, and directly judges the operation direction by loop design):

a, as shown in figure 2, the outer frame of the existing assembled coil is used, the working wire of the coil is led out, the fan blades which are magnetized ok are assembled, and the assembled fan blades are assembled according to the normal assembly size.

And B, the leading-out wire of the device is connected with a connecting wire (shown in figure 1) at a corresponding position of a test tool (fixed on a fixed seat with a certain stroke and capable of moving up and down), the coil welding point of the PCBA is connected with the coil to form a loop when in contact, and the contact point of another power supply (containing a signal) is in contact with a relevant instrument and a control tool (such as a power supply end-a power supply, a signal leading-out end-a signal generator, a signal input end-a rotating speed tester or an oscilloscope) which are externally connected with the leading-out wire of the power supply (containing the signal) to form a power supply end control loop after being in contact with the PCBA (shown in figure 1).

And C, the contact points are in full contact, the power supply and the signals are normally set and then are in a working loop, and if the PCBA is good, the fan in the figure 1 can normally run and test the related functions according to signal control.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A testing device with PCBA simulation function is characterized in that: the testing arrangement with PCBA simulation function including set up the test fixture on the fixing base, with fan simulation fixture that test fixture links to each other, with power module and the control module that test fixture links to each other, be provided with on the test fixture and supply to wait to detect a plurality of welding contact of PCBA contact, wait to detect PCBA and arrange in during the test fixture, fan simulation fixture power module and control module and wait to detect PCBA and form the return circuit.

2. A test apparatus having PCBA simulation capabilities, as recited in claim 1, wherein: the testing tool is provided with 7 welding contacts, and comprises a first welding contact, a second welding contact and a third welding contact which are connected with the fan simulation tool through three outgoing lines, a fourth welding contact and a fifth welding contact which are connected with the power module through power lines, a sixth welding contact and a seventh welding contact which are connected with the control module through signal lines, and a coil U input point, a coil V input point, a coil W input point, a power input point P, a power input point S, a speed signal end V and a PWM signal input end G which are respectively in one-to-one contact with the 7 welding contacts are arranged on the PCBA to be detected.

3. A test apparatus having PCBA simulation capabilities according to claim 2, wherein: the fan simulation tool comprises a three-phase coil, fan blades connected with the three-phase coil and three outgoing lines respectively connected with the three-phase coil.

4. A test apparatus having PCBA simulation capabilities according to claim 3, wherein: and a coil U output point, a coil V output point and a coil W output point which are respectively connected with the three outgoing lines are arranged on the three-phase coil.

5. A test apparatus having PCBA simulation capabilities according to claim 3, wherein: the three-phase coil and the fan blades are arranged in the outer frame; the fan blades are magnetized fan blades.

6. A test apparatus having PCBA simulation capabilities according to claim 2, wherein: the power supply module is a DC power supply, a power supply positive output point and a power supply negative output point are arranged on the DC power supply, and the power supply positive output point and the power supply negative output point are respectively connected with a power supply input point P and a power supply input point S through the power lines.

7. A test apparatus having PCBA simulation capabilities according to claim 2, wherein: the control module comprises a rotating speed tester or an oscilloscope and a signal generator, wherein the rotating speed tester or the oscilloscope is connected with a speed signal end V through the signal wire, the signal generator is connected with a PWM signal input end G through the signal wire, a speed signal input end is arranged at the joint of the rotating speed tester or the oscilloscope and the signal wire, and a PWM signal output end is arranged at the joint of the signal generator and the signal wire.

8. A test apparatus having PCBA simulation capabilities, as recited in claim 1, wherein: the fixing seat is arranged in the vertical lifting mechanism.

9. A test apparatus having PCBA simulation capabilities according to claim 8, wherein: the vertical lifting mechanism is one of a crank slider mechanism, a vertically arranged servo motor, a vertically arranged hydraulic cylinder or a cylinder.

10. A test apparatus having PCBA simulation capabilities according to claim 9, wherein: and the vertical lifting mechanism is controlled within a preset range in terms of the up-down stroke range.