CN212872765U

CN212872765U - Tool of quick test PCB board

Info

Publication number: CN212872765U
Application number: CN202021341111.6U
Authority: CN
Inventors: 蔡超武; 杨少华; 何旋; 苗应亮
Original assignee: Maxvision Technology Corp
Current assignee: Maxvision Technology Corp
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-02
Anticipated expiration: 2030-07-09

Abstract

The utility model provides a tool of quick test PCB board, a be used for detecting each interface current of PCB board, whether voltage is normal, including the support frame that has the mounting groove, set up the resin plywood of placing the PCB board on the support frame, the fixed station, a plurality of input test interface and output test interface, set up the test module who provides test signal and accept the output test interface's of input test interface in the mounting groove, set up the power module who provides test power for test module in support frame one side, set up the switch of control test module power break-make on the resin plywood, vertically set up the display screen who accepts test module test result and show the test result on the resin plywood, each interface of PCB board inserts in corresponding input test interface and the output test interface. The utility model discloses a tool of quick test PCB board has simple structure, detects convenient operation, test accuracy height, advantage that detection efficiency is high.

Description

Tool of quick test PCB board

Technical Field

The utility model relates to a check out test set technical field especially relates to a tool of quick test PCB board.

Background

PCB (printed Circuit Board), also called printed Circuit Board, is an important electronic component, is the support body of electronic components, is the carrier of electronic components electrical connection, in the manufacturing process of PCB, the test of PCB is very important, which is an important link affecting the quality of the delivered product

After the intelligent terminal equipment is assembled, if a PCB hardware interface has a bad condition, the whole machine needs to be disassembled and repaired. This greatly increases the workload and maintenance costs. In the prior art, the individual interfaces are tested in sequence by hand, usually before the PCB board is assembled. The single interface is tested in sequence manually, and when the PCB is assembled and tested every time, because the types of required electric fittings and wires are different, the electric fittings and the wires are required to be reconfigured as required, so that the workload is very large, and the detection efficiency is also very low. For manual work, the single interfaces are checked one by one, errors are easy to occur due to the fact that detection electric fittings and wires need to be reconfigured, the accuracy of detection of the PCB is affected, the situation that a poor PCB enters the next procedure can occur, and then huge workload is increased for follow-up troubleshooting.

Therefore, it is urgently needed to develop a jig for rapidly testing the PCB, which has a simple structure, is convenient for testing operation, has high testing accuracy and high testing efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid the weak point among the prior art and provide a simple structure, detect convenient operation, test accuracy height, the tool of high quick test PCB board of detection efficiency.

A fixture for rapidly testing a PCB is used for detecting whether the current and the voltage of each interface of the PCB are normal or not, and comprises a support frame with a mounting groove, a resin laminate arranged on the support frame and used for placing the PCB, a fixing table arranged on the resin laminate and used for fixing the PCB, a plurality of input testing interfaces and output testing interfaces which are arranged on the resin laminate and are positioned at the side edge of the PCB, a testing module which is arranged in the mounting groove and used for providing testing signals for the input testing interfaces and receiving the output signals of the output testing interfaces, a power supply module which is arranged at one side of the support frame and used for providing testing power supply for the testing module, a switch which is arranged on the resin laminate and used for controlling the on-off of the power supply of the testing module, and a display screen which is vertically arranged on the resin laminate and used for receiving the testing results, each interface of the PCB is inserted into the corresponding input test interface and output test interface, and the power module, the switch, the input test interface, the output test interface and the display screen are electrically connected with the test module.

Preferably, the test module includes a power receiving unit for receiving a power signal input by the power module, a signal output unit for outputting a test signal to the input test interface, a signal receiving unit for receiving a test result signal output by the output test interface, and a display control unit for outputting a display signal to the display screen according to the test result signal received by the signal receiving unit.

Preferably, the testing module further comprises a sound control unit for outputting a sound signal according to the testing result signal received by the signal receiving unit, and a sound box for receiving the sound control signal of the testing module is arranged on the other side of the supporting frame and electrically connected with the testing module.

Preferably, the testing module further comprises a light control unit for outputting a light signal according to the testing result signal received by the signal receiving unit, an indicator lamp for receiving the light control signal of the testing module is arranged at the upper right corner of the resin laminate, and the indicator lamp is electrically connected with the testing module.

Preferably, a storage hard disk is arranged in the mounting groove, the test module further includes a hard disk control unit for outputting test data to the storage hard disk and reading the storage data of the storage hard disk, and the storage hard disk is electrically connected to the test module.

Preferably, a switch is arranged above the storage hard disk in the mounting groove, the test module further comprises a data transmission unit for exchanging data with the switch, and the switch is electrically connected with the test module.

Preferably, the support frame is a sheet metal support frame

Compared with the prior art, the utility model has the following advantage: the utility model discloses a support frame of the tool for rapidly testing the PCB plays a supporting role; the resin laminate has an insulating effect and is used for placing a PCB (printed Circuit Board) so as to prevent electric leakage of a circuit. During testing, the PCB to be tested is placed on the resin laminate, the PCB is fixed through the fixing table, and each interface of the PCB is inserted into the corresponding input testing interface and the corresponding output testing interface. The switch is turned on, the power module provides power for the test module, the test module is electrically connected with the input test interface and the output test interface respectively, the test module outputs test signals to the input test interface, the input test interface inputs the test signals to a corresponding interface end of the PCB to be tested after receiving the test signals, the PCB to be tested outputs results to the output test interface after receiving the test signals and operating through each function module in the PCB to be tested, the output test interface sends the received test results to the test module, the test module sends the received test results to the display screen, and the display screen displays the test results.

The utility model discloses a tool of quick test PCB board can set up a plurality of input test interface and the output test interface that correspond according to the PCB board of being tested, during the test, can connect the interface of all PCB boards of being tested simultaneously, whether normal when electric current, the voltage that can once only test all interfaces of PCB board to demonstrate the test result in the display screen. If any one interface of the tested PCB fails, the fault can be displayed in the display screen, and the fault judgment is intuitive and quick. Need not test the single interface of PCB board in proper order like prior art at every turn through the manual work, therefore the utility model discloses a tool of quick test PCB board has saved the test manual work, has reduced test work volume, has improved work efficiency. Furthermore, the utility model discloses a test PCB's tool fast each input test interface and output test interface all have been connected well with the test module electricity, when testing at every turn, do not need like prior art reconfiguration wire rod wiring, therefore the utility model discloses a be difficult to make mistakes when testing test PCB's tool fast, improve the accuracy that PCB board detected.

To sum up, the utility model discloses a tool of quick test PCB board has simple structure, detects convenient operation, the test accuracy is high, advantage that detection efficiency is high.

Drawings

The invention will be further described with reference to the accompanying drawings, to which, however, the embodiments do not constitute any limitation.

Fig. 1 is a schematic structural view of a tool for rapidly testing a PCB according to the present invention;

fig. 2 is a schematic structural diagram of a fixture for rapidly testing a PCB of the present invention.

Detailed Description

The invention will be further described with reference to the following examples and drawings:

a fixture for rapidly testing a PCB, as shown in FIGS. 1 and 2, for detecting whether the current and voltage of each interface of a PCB 10 are normal or not, comprises a support frame 12 having a mounting groove 13, a resin layer 14 disposed on the support frame 12 for placing the PCB 10, a fixing table 15 disposed on the resin layer 14 for fixing the PCB 10, a plurality of input test interfaces 20 and output test interfaces 22 disposed on the resin layer 14 and located at the side of the PCB 10, a test module 30 disposed in the mounting groove 13 for providing test signals to the input test interfaces 20 and receiving the output signals of the output test interfaces 22, a power module 50 disposed at one side of the support frame 12 for providing test power to the test module 30, a switch 52 disposed on the resin layer 14 for controlling the power on/off of the test module 30, and a display 54 vertically disposed on the resin layer 14 for receiving the test results of the test module 30 and displaying the test results, each interface of the PCB board 10 is inserted into the corresponding input test interface 20 and output test interface 22, and the power module 50, the switch 52, the input test interface 20, the output test interface 22 and the display screen 54 are electrically connected to the test module 30. The support frame 12 can be set as the sheet metal support frame 12, and the structure is firm and reliable.

The support frame 12 of the fixture for rapidly testing the PCB plays a supporting role; the resin layer plate 14 has an insulating function for placing the PCB 10, and can prevent the leakage of the wiring. In testing, a PCB 10 to be tested is placed on the resin laminate 14, the PCB 10 is fixed by the fixing table 15, and each interface of the PCB 10 is inserted into the corresponding input test interface 20 and output test interface 22. The switch 52 is turned on, the power module 50 provides power for the test module 30, because the test module 30 is electrically connected to the input test interface 20 and the output test interface 22, respectively, the test module 30 outputs a test signal to the input test interface 20, after the input test interface 20 receives the test signal, the test signal is input to a corresponding interface end of the PCB board 10 to be tested, after the PCB board 10 to be tested receives the test signal, the test signal is operated by each functional module therein, and then a result is output to the output test interface 22, the output test interface 22 sends the received test result to the test module 30, the test module 30 sends the received test result to the display 54, and the display 54 displays the test result.

The utility model discloses a tool of quick test PCB board can set up a plurality of input test interface 20 and output test interface 22 that correspond according to the PCB board 10 of being tested, during the test, can connect all the interfaces of the PCB board 10 of being tested simultaneously, can be normal with whether electric current, voltage etc. of all interfaces of disposable test PCB board 10 to demonstrate the test result in display screen 54. The display screen 54 can display the voltage and power of each interface of the PCB board 10, and display whether it is normal, etc. according to the requirement. If any one interface of the tested PCB 10 is failed, the failure can be displayed in the display screen 54, and the failure judgment is intuitive and quick. Need not test 10 single interfaces of PCB board in proper order like prior art at every turn through the manual work, therefore the utility model discloses a tool of quick test PCB board has saved the test manual work, has reduced test work volume, has improved work efficiency. Furthermore, the utility model discloses a test PCB's tool fast each input test interface 20 and output test interface 22 have all been connected well with test module 30 electricity, when testing at every turn, do not need like prior art reconfiguration wire rod wiring, therefore the utility model discloses a be difficult to make mistakes when testing test PCB's tool fast, improve the accuracy that PCB 10 detected.

Preferably, as shown in fig. 1 and 2, the test module 30 includes a power receiving unit 31 for receiving a power signal input by the power module 50, a signal output unit 32 for outputting a test signal to the input test interface 20, a signal receiving unit 33 for receiving a test result signal output by the output test interface 22, and a display control unit 34 for outputting a display signal to the display 54 according to the test result signal received by the signal receiving unit 33. In operation, the power receiving unit 31 receives a power signal input by the power module 50, the signal output unit 32 outputs a test signal to the input test interface 20, the signal receiving unit 33 receives a test result signal output by the output test interface 22, and the display control unit 34 outputs a display signal to the display 54 according to the test result signal received by the signal receiving unit 33.

Preferably, as shown in fig. 1 and 2, the testing module 30 further includes a sound control unit 35 outputting a sound signal according to the testing result signal received by the signal receiving unit 33, and a sound box 56 receiving the sound control signal of the testing module 30 is disposed on the other side of the supporting frame 12, and the sound box 56 is electrically connected to the testing module 30. The sound device 56 receives the sound control signal from the sound control unit 35, and when there is an interface failure, it can output a corresponding alarm sound, such as alarm "XX interface failure". The alarm sound can play a good reminding role, when a user hears the alarm, the user can immediately know the test state of the PCB 10, and can timely process the fault. When all the interfaces of the PCB 10 are normal, the sound 56 does not sound.

Preferably, as shown in fig. 1 and 2, the testing module 30 further includes a light control unit 36 outputting a light signal according to the test result signal received by the signal receiving unit 33, an indicator light 58 receiving the light control signal of the testing module 30 is disposed at an upper right corner of the resin laminate 14, and the indicator light 58 is electrically connected to the testing module 30. The indicator light 58 receives the light control signal of the light control unit 36, and when there is an interface fault, the indicator light 58 can output corresponding alarm light to display a red light. The indicator light 58 may indicate a green light when all the interfaces of the PCB board 10 are normal. The indicator light 58 can visually find whether each interface of the PCB board 10 is normal through the red light and the green light.

Preferably, as shown in fig. 1 and 2, a storage hard disk 60 is disposed in the mounting groove 13, the test module 30 further includes a hard disk control unit 37 for outputting test data to the storage hard disk 60 and reading the storage data of the storage hard disk 60, and the storage hard disk 60 is electrically connected to the test module 30. The utility model discloses a tool of quick test PCB board is provided with storage hard disk 60, and hard disk the control unit 37 can be with test data storage in storage hard disk 60, and when needing, hard disk the control unit 37 also can follow and transfer test data in the storage hard disk 60. Comparative analysis and the like can be performed using the test data.

Preferably, as shown in fig. 1 and 2, a switch 65 is disposed above the hard disk storage 60 disposed in the mounting slot 13, the test module 30 further includes a data transmission unit 38 for exchanging data with the switch 65, and the switch 65 is electrically connected to the test module 30. The utility model discloses a tool of quick test PCB board is provided with switch 65, and data transmission unit 38 can exchange data with switch 65, can be with synchronous teletransmission test data.

The utility model discloses a tool of quick test PCB board sets up test module 30, storage hard disk 60 and switch 65 in the mounting groove 13 of support frame 12, and the structure is very compact.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A fixture for rapidly testing a PCB is used for detecting whether the current and the voltage of each interface of the PCB are normal or not, and is characterized by comprising a support frame with a mounting groove, a resin laminate arranged on the support frame and used for placing the PCB, a fixing table arranged on the resin laminate and used for fixing the PCB, a plurality of input testing interfaces and output testing interfaces which are arranged on the resin laminate and are positioned at the side edge of the PCB, a testing module which is arranged in the mounting groove and used for providing testing signals for the input testing interfaces and receiving the output signals of the output testing interfaces, a power supply module which is arranged at one side of the support frame and used for providing testing power supply for the testing module, a switch which is arranged on the resin laminate and used for controlling the power supply of the testing module, and a display screen which is vertically arranged on the resin laminate and used for receiving the testing results of the testing module and displaying, each interface of the PCB is inserted into the corresponding input test interface and the output test interface, and the power module, the switch, the input test interface, the output test interface and the display screen are electrically connected with the test module.

2. The fixture for rapidly testing the PCB of claim 1, wherein: the test module comprises a power supply receiving unit for receiving a power supply signal input by the power supply module, a signal output unit for outputting a test signal to the input test interface, a signal receiving unit for receiving a test result signal output by the output test interface, and a display control unit for outputting a display signal to the display screen according to the test result signal received by the signal receiving unit.

3. The fixture for rapidly testing the PCB of claim 2, wherein: the testing module further comprises a sound control unit which outputs sound signals according to the testing result signals received by the signal receiving unit, a sound box which receives the sound control signals of the testing module is arranged on the other side of the supporting frame, and the sound box is electrically connected with the testing module.

4. The tool of claim 3, wherein: the testing module further comprises a light control unit for outputting light signals according to the testing result signals received by the signal receiving unit, an indicator lamp for receiving the light control signals of the testing module is arranged at the upper right corner of the resin laminate, and the indicator lamp is electrically connected with the testing module.

5. The tool of claim 4 for rapidly testing PCB, wherein: the test module comprises a mounting groove, a storage hard disk is arranged in the mounting groove, the test module further comprises a hard disk control unit which outputs test data to the storage hard disk and reads the storage data of the storage hard disk, and the storage hard disk is electrically connected with the test module.

6. The tool of claim 5 for rapidly testing PCB, wherein: set up in the mounting groove the top of storage hard disk is provided with the switch, test module still include with the data transmission unit of switch exchange data, the switch with the test module electricity is connected.

7. The tool of claim 6, wherein: the support frame is a metal plate support frame.