CN220040620U - Standard signal system device electrical performance inspection platform - Google Patents
Standard signal system device electrical performance inspection platform Download PDFInfo
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- CN220040620U CN220040620U CN202321377146.9U CN202321377146U CN220040620U CN 220040620 U CN220040620 U CN 220040620U CN 202321377146 U CN202321377146 U CN 202321377146U CN 220040620 U CN220040620 U CN 220040620U
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- 238000007689 inspection Methods 0.000 title claims abstract description 11
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 34
- 238000002955 isolation Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 abstract description 19
- 238000001514 detection method Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 7
- 238000011056 performance test Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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Abstract
The utility model discloses an electrical performance inspection platform for a standard signal system device, which consists of a liquid crystal screen, a garage signal board, an upper wellhead signal board, a horizontal signal board, a telephone board module and a DC24V intrinsic safety power supply. The liquid crystal screen is connected with an RS485 interface of the automobile room signal board through the RS485 interface; the garage signal board is respectively connected with the upper wellhead signal board, the horizontal signal board and the telephone board module through the CAN interface; the inspection platform can simultaneously detect the electrical properties of a liquid crystal screen, a car room signal board, an upper wellhead signal board, a horizontal signal board and a telephone board module in a signal system, has the characteristics of safe and reliable detection, simplicity and easiness in operation, convenience in replacement and accurate monitoring of equipment faults, and can be transmitted to a PC end for storage through Ethernet communication, so that workers can conveniently collect and analyze equipment information.
Description
Technical Field
The utility model relates to the field of electrical performance inspection, in particular to an electrical performance inspection platform for a standard signal system.
Background
The standard signal system device is mainly used in the fields of coal, metallurgy, tunnels and the like, and is a control and protection device based on signal transmission. The performance of standard signal system devices directly affects the safety of signal transmission. The underground standard signal system device of the coal mine comprises a call function of a telephone module, a voice alarm function and a communication function between signal boards. In order to ensure that the standard signal system device can reliably work and does not fail in various complex environments, in the production and manufacturing process, parameter tests and performance tests are required to be carried out on devices such as a liquid crystal screen, a car room signal board, an upper wellhead signal board, a horizontal signal board, a telephone board module and the like of the standard signal system device so as to ensure that all parts work normally. At present, in the testing process of the standard signal system device, different devices have different performance requirements, and different testing equipment and instruments are needed, so that the complexity of testing work is increased, and the reliability of the devices and the working efficiency of personnel in the testing process are reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an electrical performance test platform for a standard signal system device, which integrates the functions of liquid crystal screen test, car room signal board test, upper wellhead signal board test, horizontal signal board test, telephone board module test and the like, and is convenient to test by changing test means, and meanwhile, the test efficiency and the quality reliability of related devices in the standard signal system device are improved.
The technical scheme adopted by the utility model is as follows: the electric performance test platform for standard signal system consists of liquid crystal screen, signal board in car house, upper well head signal board, horizontal signal board, telephone board module and DC24V intrinsic safety power source. The garage signal board is the core of the inspection platform and consists of a singlechip and different interface chips.
The AC220V power supply is connected with the DC24V intrinsic safety power supply to provide a working power supply for the same; the liquid crystal screen is connected with an RS485 interface of the automobile room signal board through the RS485 interface; the garage signal board is respectively connected with the upper wellhead signal board CAN interface, the horizontal signal board CAN interface and the telephone board module CAN interface through the CAN interface; the DC24V intrinsically safe power supply is respectively connected with the liquid crystal screen, the garage signal board, the upper wellhead signal board, the horizontal signal board and the telephone board module to provide working power for the liquid crystal screen, the garage signal board, the upper wellhead signal board and the telephone board module.
The beneficial effects of the utility model are as follows: the standard signal system device electrical performance test platform can test the working performance of a liquid crystal screen, a car room signal board, an upper wellhead signal board, a horizontal signal board and a telephone board module at the same time. All parts in the inspection platform are connected through RS485 and CAN communication, various test results are transmitted to the liquid crystal screen through RS485 communication, the liquid crystal screen transmits all test data to the PC through an RJ45 network cable, and the PC stores contents to be recorded through data analysis software. The inspection equipment has the characteristics of safe and reliable test, simple operation, high test efficiency, easy maintenance of a modularized structure and the like.
Drawings
FIG. 1 is a schematic diagram of the electrical performance test platform of a standard signal system device.
Fig. 2 is a schematic diagram of a connection of a signal board in a car room.
Detailed Description
The utility model is described in detail below with reference to the drawings and examples.
As shown in fig. 1 and 2, the electrical performance test platform of the standard signal system device is composed of a liquid crystal screen 1, a car room signal board 2, an upper wellhead signal board 3, a horizontal signal board 4, a telephone board module 5 and a DC24V intrinsic safety power supply 6. The garage signal board 2 consists of an STM32F107VB single chip microcomputer, an RS-485 high-speed isolation single-way automatic transceiver and a high-surge protection isolation CAN transceiver. The RS-485 high-speed isolation single-channel automatic transceiver adopts an RSM3485PHT chip, and the high-surge protection isolation CAN transceiver adopts a CTM1051AHP chip. And the STM32F107VB single chip microcomputer is respectively connected with the RS-485 high-speed isolation single-path automatic transceiver and the high-surge protection isolation CAN transceiver.
Further, an AC220V power supply is connected with a DC24V intrinsic safety power supply 6; the liquid crystal screen 1 is connected with an RS-485 high-speed isolation single-channel automatic transceiver RSM3485PHT chip of the automobile room signal board 2 through an RS485 interface; the garage signal board 2 is connected with a 3CAN interface of the upper wellhead signal board, a 4CAN interface of the horizontal signal board and a 5CAN interface of the telephone board module through a CTM1051AHP chip of the high-surge protection isolation CAN transceiver; the DC24V intrinsically safe power supply 6 is respectively connected with the liquid crystal screen 1, the car room signal board 2, the upper wellhead signal board 3, the horizontal signal board 4 and the telephone board module 5.
The working flow of the utility model is as follows:
connecting an AC220V power supply with a DC24V intrinsic safety power supply 6 to provide a working power supply for the same; the DC24V power panel 6 provides working power for the liquid crystal screen 1, the car room signal panel 2, the upper wellhead signal panel 3, the horizontal signal panel 4 and the telephone panel module 5 respectively.
Step one, a forwarding/direct transmitting change-over switch in an upper wellhead signal board 3 is switched to a forwarding state, a person lifting/overhauling change-over switch is switched to a person lifting state, an instruction is transmitted to a car room signal board 2 through CAN communication, the car room signal board 2 transmits the instruction to a liquid crystal screen 1 through RS485 communication after receiving the instruction, a signal operation interface in the liquid crystal screen 1 is opened, and forwarding and person lifting signals are observed and displayed in the interface.
Inputting a signal 2 command into the horizontal signal board 4, and transmitting the command to the upper wellhead signal board 3 through CAN communication; the upper wellhead signal board 3 inputs a signal 2 command and transmits the command to the garage signal board 2 through CAN communication; after the automobile room signal board 2 receives the instruction, the instruction is transmitted to the liquid crystal screen 1 through RS485 communication, a signal operation interface in the liquid crystal screen 1 is opened, and a signal of 'signal 2' is observed and displayed in the interface. The method comprises the steps of inputting a stop command to a horizontal signal board 4, transmitting the command to an upper wellhead signal board 3 through CAN communication, transmitting the command to a garage signal board 2 through CAN communication, transmitting the command to a liquid crystal screen 1 through RS485 communication after the garage signal board 2 receives the command, opening a signal operation interface in the liquid crystal screen 1, and observing disappearance of a signal 2 in the interface.
According to the above method, the "signal 3", "signal 4" and "signal 5" instructions are tested by inputting the "signal 3", "signal 4" and "signal 5" respectively in the horizontal signal board 4, and whether the result is correct or not is observed in the interface of the liquid crystal panel 1.
Step two, according to the method of step one, the upper wellhead signal board 3 'lifting/overhauling' change-over switch is respectively driven to the 'lifting' state and the 'overhauling' state to test, and the tests of the 'signal 2', 'signal 3', 'signal 4' and 'signal 5' are completed in sequence.
Step three, inputting an 'scram' instruction into the horizontal signal board 4, transmitting the instruction to the upper wellhead signal board 3 through CAN communication, transmitting the instruction to the car room signal board 2 through CAN communication, transmitting the instruction to the liquid crystal screen 1 through RS485 communication after the car room signal board 2 receives the instruction, opening a signal operation interface in the liquid crystal screen 1, and observing and displaying an 'scram' signal in the interface. The car house signal board 2 inputs a 'scram reset' signal, an instruction is transmitted to the liquid crystal screen 1 through RS485 communication, a signal operation interface in the liquid crystal screen 1 is opened, and the 'scram' signal disappears in the interface.
And fourthly, turning a forwarding/straightening switch in the upper wellhead signal plate 3 to a straightening state, and testing the operations of lifting persons, lifting objects, overhauling and scram in sequence according to the methods from the first step to the third step.
Fifthly, the automobile room signal board 2 is put in a signal state of 'people and automobile', the signal is pulsed for 2 times according to the 'signals', the command is transmitted to the liquid crystal screen 1 through RS485 communication, a signal operation interface in the liquid crystal screen 1 is opened, and the 'signals 2' are observed and displayed in the interface. The signal board 2 inputs a stop pulse signal, an instruction is transmitted to the liquid crystal screen 1 through RS485 communication, a signal operation interface in the liquid crystal screen 1 is opened, and the disappearance of the signal 2 is observed in the interface.
According to the method of the fifth step, the test is performed on the car park signal board 2 according to the signal of the signal pulse for 3 times, the signal of the signal pulse for 4 times and the signal of the stop pulse for 5 times respectively.
Step six, the telephone board module 5CAN realize the half duplex voice call function, when the telephone board module 5 inputs a 'send' instruction, personnel CAN send the send content to the loudspeaker of the receiving unit of the telephone board module 5 through the microphone of the telephone board module 5, and after the send content is transmitted to the loudspeaker of the receiving unit of the telephone board module 5 through CAN communication, the sent content CAN be heard, so as to realize the call function.
The utility model has the characteristics of safe and reliable test, simple operation, high test efficiency, easy maintenance of a modularized structure and the like.
Claims (1)
1. The utility model provides a standard signal system device electrical performance inspection platform which characterized in that: the inspection platform consists of a liquid crystal screen (1), a car room signal board (2), an upper wellhead signal board (3), a horizontal signal board (4), a telephone board module (5) and a DC24V intrinsic safety power supply (6); the garage signal board (2) consists of an STM32F107VB single chip microcomputer, an RS-485 high-speed isolation single-way automatic transceiver and a high-surge protection isolation CAN transceiver; the RS-485 high-speed isolation single-channel automatic transceiver adopts an RSM3485PHT chip, and the high-surge protection isolation CAN transceiver adopts a CTM1051AHP chip; the STM32F107VB single chip microcomputer is respectively connected with the RS-485 high-speed isolation single-path automatic transceiver and the high-surge protection isolation CAN transceiver; the AC220V power supply is connected with the DC24V intrinsic safety power supply (6); the liquid crystal screen (1) is connected with an RS-485 high-speed isolation single-path automatic transceiver RSM3485PHT chip of the automobile room signal board (2) through an RS485 interface; the garage signal board (2) is respectively connected with the upper wellhead signal board (3), the horizontal signal board (4) and the telephone board module (5) through a high-surge protection isolation CAN transceiver CTM1051AHP chip; the DC24V intrinsic safety power supply (6) is respectively connected with the liquid crystal screen (1), the car room signal board (2), the upper wellhead signal board (3), the horizontal signal board (4) and the telephone board module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377146.9U CN220040620U (en) | 2023-06-01 | 2023-06-01 | Standard signal system device electrical performance inspection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377146.9U CN220040620U (en) | 2023-06-01 | 2023-06-01 | Standard signal system device electrical performance inspection platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040620U true CN220040620U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321377146.9U Active CN220040620U (en) | 2023-06-01 | 2023-06-01 | Standard signal system device electrical performance inspection platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040620U (en) |
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2023
- 2023-06-01 CN CN202321377146.9U patent/CN220040620U/en active Active
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