CN219496579U - Fast testing fixture for FTU circuit board - Google Patents
Fast testing fixture for FTU circuit board Download PDFInfo
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- CN219496579U CN219496579U CN202320243004.7U CN202320243004U CN219496579U CN 219496579 U CN219496579 U CN 219496579U CN 202320243004 U CN202320243004 U CN 202320243004U CN 219496579 U CN219496579 U CN 219496579U
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Abstract
The utility model discloses a fast test fixture for an FTU circuit board, which comprises an automatic detection control module, a power supply module, a simulated quantity output module, a communication transmission module, a data display module, a single board fixing module and a test fixture main body, wherein the automatic detection control module, the power supply module, the simulated quantity output module, the communication transmission module, the data display module and the single board fixing module are integrated in the test fixture main body; the device can be used for conveniently and quickly generating and receiving digital-to-analog conversion through an automatic detection means, and can grasp the accuracy according to data comparison, so that errors caused by manual operation are reduced; accurately reading measurement data such as voltage, current, power and the like of the FTU single board and then comparing the accuracy; the board in-out signals are subjected to one-to-one test in a polling mode; performing transmission test on two network ports and multiple serial ports of the board; meanwhile, the push type test rack is adopted, so that the time consumed by repeated wiring and wiring removal operations is saved, and the push type test rack is convenient and quick.
Description
Technical Field
The utility model relates to the technical field of product testing of distribution network automation products, in particular to a quick test fixture for an FTU circuit board.
Background
The distribution network automation product is an important guarantee for improving the power supply reliability and the power supply quality of the power grid, and the premise of ensuring the power grid reliability is that the distribution network automation product must be reliable and stable. Thus, higher demands are placed on the detection of distribution network automation products in production. The FTU is used as a product of distribution network automation, and has more telemetry loops, acquisition loops and various communication means in its own unit, and has more loops and multiple operations of wiring and disconnecting in the test process. Such an operation is complicated, and on the other hand, there are various cases such as missing detection. Therefore, a quick, accurate and comprehensive testing tool for the FTU unit circuit board is needed to solve the above problems.
Disclosure of Invention
First, the technical problem to be solved
The utility model aims to provide a fast test fixture for an FTU circuit board, which is used for solving the existing defects.
(II) summary of the utility model
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a quick test fixture of FTU circuit board, includes automated inspection control module, power supply module, analog output module, communication transmission module, data display module, single board fixed module and test fixture main part, automated inspection control module, power supply module, analog output module, communication transmission module, data display module and single board fixed module integrate at the test fixture main part.
Preferably, the single board fixing module adopts a pcb needle board structure test frame.
Preferably, the power supply module is an alternating current 220V to direct current 24V and 5V switching power supply.
Preferably, the communication transmission module is a serial port communication interface and a network port communication interface.
Preferably, the data display module is a display screen body.
Preferably, the analog output module is provided with a collecting terminal, a diode D100, a resistor R500, a transformer T1, a piezoresistor MOV100, a piezoresistor MOV102, a transformer T2, a resistor R5011 and a diode D101, wherein the collecting terminal is electrically connected with the diode D100 and the diode D101, meanwhile, the diode D100 is connected with the resistor R500 in parallel, the resistor R500 is connected with the transformer T2 in parallel, the transformer T2 is connected with the piezoresistor MOV100 in parallel, the diode D101 is connected with the resistor R5011 in parallel, the resistor R5011 is connected with the transformer T2 in parallel, and the transformer T2 is connected with the piezoresistor MOV102 in parallel.
Preferably, the automatic detection control module, the power supply module, the analog output module, the communication transmission module, the data display module and the single board fixing module are correspondingly connected with the acquisition board and the core board which are arranged in the core board to be detected, and the core board to be detected is provided with a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a triode Q1, a triode Q2, a triode Q3, a relay rli 1, a relay rli 2, a relay rli 3, a relay rli 4, a relay rli 5, a relay rli 6, a diode D1, a diode D2, an integrated circuit U3 are connected in series with the resistor R2, and simultaneously the resistor R2, the resistor R6 is connected in parallel with the resistor R6, the relay rli 1 is connected in parallel with the integrated circuit R1, and the relay rli 3 is connected with the resistor R6 in parallel with the resistor R6, and the integrated circuit RLY3 is connected with the resistor RLY6 in parallel with the resistor RLY3, and the integrated circuit R3 is connected with the resistor R6 in parallel with the resistor RLY3, and the integrated circuit is connected with the resistor R3 in parallel with the resistor R3, and the three-3 is connected with the resistor R3.
(III) beneficial effects
The utility model provides a fast test fixture for an FTU circuit board, which has the advantages that: the automatic detection means can be used for conveniently and quickly generating and receiving digital-to-analog conversion, and the accuracy of the digital-to-analog conversion can be grasped according to data comparison, so that errors caused by manual operation are reduced; accurately reading measurement data such as voltage, current, power and the like of the FTU single board and then comparing the accuracy; the board in-out signals are subjected to one-to-one test in a polling mode; performing transmission test on two network ports and multiple serial ports of the board; meanwhile, the push type test rack is adopted, so that the time consumed by repeated wiring and wiring removal operations is saved, and the operation is convenient and quick; according to the preset data model, input and output are automatically controlled, the function coverage is integrated, and the detection efficiency is improved; the accurate and efficient test system also provides powerful technical guarantee for the reliability of products, meanwhile, the display data test result is accessed in a clear way, and the convenience and the flexibility of single board detection are improved.
Drawings
FIG. 1 is an overall schematic of the present utility model;
FIG. 2 is a diagram showing the connection between an FTU core board and an FTU acquisition board and a test fixture;
FIG. 3 is a schematic diagram of the voltage and current analog acquisition quantity of the FTU test fixture;
fig. 4 is a schematic diagram of an FTU core board opening/closing energy storage opening control and an acquisition board opening signal output.
In the figure: 1. an automatic detection control module; 2. a power supply module; 3. a pseudo-quantity output module; 4. a communication transmission module; 5. a data display module; 6. a single board fixing module; 7. and testing the tool main body.
Detailed Description
Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a quick test fixture of FTU circuit board, includes automated inspection control module 1, power supply module 2, analog output module 3, communication transmission module 4, data display module 5, veneer fixed module 6 and test fixture main part 7, and automated inspection control module 1, power supply module 2, analog output module 3, communication transmission module 4, data display module 5 and veneer fixed module 6 integrate in test fixture main part 7; the automatic detection control module 1 controls the detection logic by the CPU, sequentially detects the PCB function items, further omits manual operation detection, realizes quick judgment of whether the PCB function is normal, and simultaneously directly displays the unqualified items by matching with the data display module 5, so that the detection efficiency is greatly improved; the power supply module 2 is an alternating current 220V-to-direct current 24V and 5V switching power supply, and because the power supply required by the whole device for supplying power and operating is direct current 24V and direct current 5V, the power supply module device adopts an alternating current 220V-to-direct current 24V and 5V switching power supply to supply power to the device; the analog quantity of the test tool comprises a voltage and current acquisition quantity, an on-off signal and a direct current quantity, wherein the analog quantity output module 3 converts a 220V power supply into 3.25V through a mutual inductor, and 1V acquires a small signal to simulate the voltage and current acquisition quantity, and the voltage and current acquisition quantity is accessed into a core to be tested; the core board opening signal to be tested comprises: a plurality of remote signaling nodes such as closing, dividing, non-energy storage, activation state, alternating current power failure and the like, wherein the remote signaling nodes need to be connected with 24V+ signals so as to detect remote signaling positions, and a test fixture is provided with 24V+ output of an opening signal, so that the core board opening loop is tested one by outputting the opening signal; the same core setup signal to be tested includes: the method comprises the steps that running lamps and fault lamps are output in signals, the battery is activated, started and stopped and other opening nodes are formed, the opening signals of a test tool are output to be connected to a core opening loop to be tested, the opening loop output is measured one by one, besides a core board is adopted, an acquisition board is further arranged in an FTU, the functions of receiving the acquisition quantity of a switch, controlling the switch to be opened, the switch to be closed, outputting energy storage signals, acquiring a backup battery, operating a power supply and acquiring an energy input voltage value are mainly achieved; then detecting the function, requiring the test tool to have analog output and control output; the analog output still adopts a transformer to convert a 220V power supply into 3.25V and 1V acquisition small signals, the acquisition board is connected, the 24V direct current signal is connected to the acquisition board, the acquisition board is connected to the AD acquisition module of the testing tool, and the core calculates corresponding values to judge the good performance of the acquisition loop; the control signal of the core board outputs the control signal of opening the switch, closing the switch, storing the energy and the like to attract the relay so as to finish the output of the opening signal, the opening control loop of the acquisition board is connected with the opening control point of the acquisition tool, and the core of the test tool sends an opening command to control the output of the opening signal of the acquisition board so as to test the good performance of the opening loop of the acquisition board; the communication transmission module 4 is a serial port communication interface and a network port communication interface, and a data transmission unit of a core to be tested comprises serial port communication and network port communication modes, and the serial port communication and the network port communication modes are required to be interconnected with a serial port and a network port reserved by a test tool in the test process, so that on one hand, in the data transmission process, the user verifies the good performance of part of communication ports, and on the other hand, a data interaction mode is adopted to verify the normal type of data transmission one by one so as to verify the functional performance of hardware; the data display module 5 is a display screen body, the testing tool is connected with a display panel, and each tested result is displayed on the display screen, so that the result and the process of the testing process project can be mastered conveniently; the single board fixing module 6 adopts a pcb needle plate structure test frame, and pins required by the test are connected in a probe mode, so that the single board port is conveniently connected in the test process; the analog output module 3 is provided with a collecting terminal, a diode D100, a resistor R500, a transformer T1, a piezoresistor MOV100, a piezoresistor MOV102, a transformer T2, a resistor R5011 and a diode D101, wherein the collecting terminal is electrically connected with the diode D100 and the diode D101, meanwhile, the diode D100 is connected with the resistor R500 in parallel, the resistor R500 is connected with the transformer T2 in parallel, the transformer T2 is connected with the piezoresistor MOV100 in parallel, the diode D101 is connected with the resistor R5011 in parallel, the resistor R5011 is connected with the transformer T2 in parallel, and the transformer T2 is connected with the piezoresistor MOV102 in parallel; the automatic detection control module 1, the power supply module 2, the analog output module 3, the communication transmission module 4, the data display module 5 and the single board fixing module 6 are correspondingly connected with a collection board and a core board which are arranged in a core board to be detected, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a triode Q1, a triode Q2, a triode Q3, a relay RLY1, a relay RLY2, a relay RLY3, a relay RLY4, a relay RLY5, a relay RLY6, a diode D1, a diode D2, a diode D3, an integrated circuit U1, an integrated circuit U2 and an integrated circuit U3 are arranged in the core board to be detected, the resistor R1 is connected with a resistor R2 in series, and the resistor R2 is connected with a triode Q1 in parallel, the relay rli 1 is connected with the diode D1 in parallel, the relay rli 1 is connected with the resistor R3 and the integrated circuit U1 in series, the resistor R4 is connected with the integrated circuit U1, the relay rli 1 is connected with the relay rli 2 in series, the resistor R5 is connected with the resistor R6 in series, the resistor R6 is connected with the triode Q2 in parallel, the relay rli 3 is connected with the diode D2 in parallel, the relay rli 3 is connected with the resistor R7 and the integrated circuit U2 in series, the integrated circuit U2 is connected with the resistor R8, the relay rli 3 is connected with the relay rli 4 in series, the resistor R9 is connected with the resistor R10 in series, the triode Q3 is connected with the resistor R10 in parallel, the relay rli 5 is connected with the resistor R11 and the integrated circuit U3 in parallel, and the resistor R12 is connected with the relay rli 5 in series.
Specifically, when the device is used, firstly, the device is connected with a core to be tested, then the automatic detection control module 1, the power supply module 2, the analog quantity output module 3, the communication transmission module 4, the data display module 5 and the single board fixing module 6 which are arranged in the device are utilized to finish the measurement work of the core to be tested, meanwhile, the connection diagram of the core to be tested and the device is shown as figure 2, namely, an acquisition board and a core board are arranged on the core to be tested, analog quantity input and power supply input are arranged on the acquisition board, meanwhile, the analog quantity input comprises voltage, current and direct current input, the analog quantity input of voltage, current, an opening signal and an opening signal, a serial port and a network port are arranged on the core board, meanwhile, the power supply module 2 is connected on the acquisition board, and the analog quantity output module 3 and the communication transmission module 4 are connected on the core board.
Claims (7)
1. The utility model provides a quick test fixture of FTU circuit board, includes automated inspection control module (1), power supply module (2), analog output module (3), communication transmission module (4), data display module (5), veneer fixed module (6) and test fixture main part (7), its characterized in that: the automatic detection control module (1), the power supply module (2), the analog output module (3), the communication transmission module (4), the data display module (5) and the single board fixing module (6) are integrated on the test tool main body (7).
2. The rapid test fixture for FTU circuit boards of claim 1, wherein: the single board fixing module (6) adopts a pcb needle plate structure test frame.
3. The rapid test fixture for FTU circuit boards of claim 1, wherein: the power supply module (2) is an alternating current 220V-direct current 24V and 5V switching power supply.
4. The rapid test fixture for FTU circuit boards of claim 1, wherein: the communication transmission module (4) is a serial port communication interface and a network port communication interface.
5. The rapid test fixture for FTU circuit boards of claim 1, wherein: the data display module (5) is a display screen body.
6. The rapid test fixture for FTU circuit boards of claim 1, wherein: the analog output module (3) is provided with a collection terminal, a diode D100, a resistor R500, a transformer T1, a piezoresistor MOV100, a piezoresistor MOV102, a transformer T2, a resistor R5011 and a diode D101, wherein the collection terminal is electrically connected with the diode D100 and the diode D101, meanwhile, the diode D100 is connected with the resistor R500 in parallel, the resistor R500 is connected with the transformer T2 in parallel, the transformer T2 is connected with the piezoresistor MOV100 in parallel, the diode D101 is connected with the resistor R5011 in parallel, the resistor R5011 is connected with the transformer T2 in parallel, and the transformer T2 is connected with the piezoresistor MOV102 in parallel.
7. The rapid test fixture for FTU circuit boards of claim 1, wherein: the automatic detection control module (1), the power supply module (2), the analog output module (3), the communication transmission module (4), the data display module (5) and the single board fixing module (6) are correspondingly connected with a collection board and a core board which are arranged in a core board to be detected, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a triode Q1, a triode Q2, a triode Q3, a relay RLY1, a relay RLY2, a relay RLY3, a relay RLY4, a relay RLY5, a relay RLY6, a diode D1, a diode D3, an integrated circuit U1, an integrated circuit U2 and an integrated circuit U3 are arranged in the core board to be detected, the resistor R1 is connected with the resistor R2 in series, and simultaneously the resistor R2 is connected with the triode Q1 in parallel, the relay rli 1 is connected with the diode D1 in parallel, the relay rli 1 is connected with the resistor R3 and the integrated circuit U1 in series, the resistor R4 is connected with the integrated circuit U1, the relay rli 1 is connected with the relay rli 2 in series, the resistor R5 is connected with the resistor R6 in series, the resistor R6 is connected with the triode Q2 in parallel, the relay rli 3 is connected with the diode D2 in parallel, the relay rli 3 is connected with the resistor R7 and the integrated circuit U2 in series, the integrated circuit U2 is connected with the resistor R8, the relay rli 3 is connected with the relay rli 4 in series, the resistor R9 is connected with the resistor R10 in series, the triode Q3 is connected with the resistor R10 in parallel, the relay rli 5 is connected with the resistor R11 and the integrated circuit U3 in parallel, and the resistor R12 is connected with the relay rli 5 in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243004.7U CN219496579U (en) | 2023-02-17 | 2023-02-17 | Fast testing fixture for FTU circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243004.7U CN219496579U (en) | 2023-02-17 | 2023-02-17 | Fast testing fixture for FTU circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219496579U true CN219496579U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320243004.7U Active CN219496579U (en) | 2023-02-17 | 2023-02-17 | Fast testing fixture for FTU circuit board |
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| Country | Link |
|---|---|
| CN (1) | CN219496579U (en) |
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2023
- 2023-02-17 CN CN202320243004.7U patent/CN219496579U/en active Active
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