CN108107346A - STP on-vehicle host board detectors and motherboard card test method - Google Patents

Abstract

The invention provides a STP vehicle-mounted motherboard card detector, which includes a casing, the casing is provided with a detection motherboard and an input display unit, and the detection motherboard is provided with a variety of slots for inserting motherboard cards , the inside of the housing is provided with a processing unit, a detection module and a power module; the input display unit communicates with the processing unit, and is used to input detection instructions to the processing unit and display detection results; the processing unit passes the The slot is connected to the corresponding motherboard card, and a control instruction is generated according to the detection instruction; the detection module detects the motherboard card according to the control instruction; , supplying power to the processing unit and the detection module. The present invention also provides a mainboard card detection method based on the STP vehicle-mounted mainboard card detector, which has the advantages of scientific design and simple and convenient use.

Description

STP vehicle-mounted main board card detector and main board card detection method

technical field

The invention relates to a detection method for an STP vehicle-mounted mainframe, in particular to an STP vehicle-mounted mainframe board card detector and a mainboard board card detection method.

Background technique

The STP system is an auxiliary equipment for shunting safety protection. Through its ground and on-board equipment, it processes the relevant signals, turnouts, and track circuit section information obtained from centralized interlocking station shunting operations. The monitoring device (LKJ) realizes the signal display of the shunting locomotive and the monitoring of train speed. The on-board host is the core processing unit of the on-board equipment of the STP system. The on-board host is used to receive information from the receiving module of the on-board transponder locator, communicate wirelessly with the ground host, perform information calculation and processing, and send shunting locomotive signals and monitoring information to LKJ and receive its related information on-board equipment. In order to facilitate the daily maintenance and repair of equipment, the vehicle-mounted host adopts a plug-in structure, which generally consists of a power board, a communication board (CPU board), and a radio board. The failure of any board will cause the system to work abnormally. Therefore, the maintenance unit of STP equipment generally needs to prepare some corresponding boards. The quality of each board directly affects the normal operation of the system.

In order to solve the above existing problems, people have been seeking an ideal technical solution.

Contents of the invention

The purpose of the present invention is to aim at the deficiencies of the prior art, thereby providing a kind of STP vehicle-mounted main board card detector and main board card detection method.

In order to achieve the above object, the technical solution adopted in the present invention is: a STP vehicle-mounted motherboard card detector, including a housing, the housing is provided with a detection motherboard and an input display unit, and the detection motherboard is provided with multiple A slot for inserting a motherboard card, a processing unit, a detection module and a power supply module are arranged on the inside of the housing;

The input display unit communicates with the processing unit, and is used to input detection instructions to the processing unit and display detection results;

The processing unit is connected to the corresponding motherboard through the slot, and generates a control instruction according to the detection instruction to control the detection module to detect the motherboard;

The power supply module supplies power to the slot, the processing unit and the detection module through the detection motherboard.

Based on the above, the slots include a power board slot, a communication board slot and a radio board slot, the power board slot is provided with a power board base, and the power board base is provided with a power board for electrical connection with the power board. The input power interface and output power interface; the communication board slot is provided with a communication board base, and the communication board base is provided with a communication interface for communicating with the communication board; the radio board slot is provided with a radio station Board base, the base card of the radio board is provided with a data transmission interface for wireless communication with the radio board.

Based on the above, the detection module includes a voltage detection module and a data transmission module, the voltage detection module is connected to the output power interface, used to detect the output voltage of the power board, and sends the detection result to the processing unit;

The digital transmission module is connected to the radio board through the processing unit and the radio board slot, and judges whether the radio board is normal through sending and receiving of analog data.

Based on the above, the input display unit includes a touch display screen, a detection start-stop button and a power switch, and the touch display screen is used to input detection instructions to the processing unit and display detection results; the detection start-stop button is used to The power switch is used to control the start and stop of the detection function of the processing unit; the power switch is used to control the power supply module to supply power to the slots of various motherboards, the processing unit and the detection module.

Based on the above, the housing is also provided with a power board indicator light, a communication board indicator light and a radio board indicator light respectively corresponding to the power board slot, the communication board slot and the radio board slot. The board indicator light is used to display whether the power board has voltage output, the communication board indicator light is used to display whether the communication board has data communication, and the radio board indicator light is used to display whether the radio board has data transmission.

Based on the above, one end of the communication board indicator is connected to a 5V power supply voltage through a resistor, and the other end of the communication board indicator is connected to the communication board and the detector processing unit through a diode.

Based on the above, a standby power output port is also provided on the outer casing.

The present invention also provides a kind of vehicle-mounted mainboard card detection method based on STP vehicle-mounted mainboard board card detector, comprises the following steps:

Step 1, insert all kinds of motherboard cards to be detected into the corresponding slots, press the power switch, and the power supply module supplies the detection motherboard, the processing unit, the input and display unit and the detection module powered by;

Step 2, the input display unit inputs a detection instruction to the processing unit;

Step 3: Press the detection start-stop switch, the processing unit judges the type of the detection instruction, generates a control instruction according to the judgment result and sends it to the detection module, and the detection module performs a check on the main board according to the control instruction. to test.

Based on the above, the detection instructions in steps 2 and 3 are divided into three types: power board detection instructions, communication board detection instructions and radio board detection instructions.

Based on the above, the specific process of step 4 is:

the processing unit judges the type of the detection instruction,

If it is the power board detection instruction, the processing unit generates a control instruction according to the power board detection instruction and sends it to the voltage detection module, and the voltage detection module detects the output voltage of the power board according to the control instruction , and return the output voltage detection result to the processing unit, and the processing unit judges whether the power board is normal according to the output voltage detection result and a preset voltage fluctuation threshold;

If it is the communication board detection instruction, the processing unit communicates with the communication board through the communication board slot, and verifies whether the serial communication port of the communication board is normal and whether the storage function of the communication board is normal according to the communication result;

If it is a radio board detection command, the processing unit generates a control command according to the radio board detection command and sends it to the data transmission module. After receiving the control command, the digital transmission module communicates with the radio board through the processing unit The data sending and receiving simulation is performed, and the processing unit judges whether the radio board is normal according to the simulation result.

Compared with the prior art, the present invention has outstanding substantive features and significant progress. Specifically, the STP vehicle-mounted main board card detector can provide convenient and intuitive detection means to realize the detection of the power supply board, communication board (CPU board), Check the quality of radio boards, etc., and replace or repair them in time if any faults are found, effectively ensuring the good working status of the STP system on-board equipment. Since the equipment may detect which board is faulty, when the on-board host fails, it can quickly Locate the cause of the fault.

Description of drawings

Fig. 1 is a front view structural schematic diagram of the present invention.

Fig. 2 is a right view structure diagram of the present invention.

Fig. 3 is a power supply and communication relationship diagram of the present invention.

Fig. 4 is the driving circuit of the indicator light of the communication board of the present invention.

In the figure, 1. shell; 2. detection motherboard; 3. slot; 4. base; 5. touch screen; 6. detection start and stop button; 7. power switch; 10. Power supply module; 11. Voltage detection module; 12. Data transmission module; 13. Backup power output port.

Detailed ways

The technical solutions of the present invention will be described in further detail below through specific implementation methods.

As shown in Fig. 1-Fig. 3, the present invention provides a kind of STP vehicle-mounted mainboard card tester, comprises housing 1, and described housing 1 is provided with detection main board 2 and input display unit, and described detection main board 2 is provided with There are a variety of slots 3 for inserting motherboard cards, and a base 4 for connecting the detection motherboard 2 and the motherboard card is arranged in the slot 3; specifically, the slot 3 includes a power board Slot 3, communication board slot 3 and radio board slot 3, the power board slot 3 is provided with a power board base 4, and the power board base 4 is provided with an input power interface for electrical connection with the power board and an output power interface; the communication board slot 3 is provided with a communication board base 4, and the communication board base 4 is provided with a communication interface for communicating with the communication board; the radio board slot 3 is provided with a radio station The board base 4 is provided with a data transmission interface for wireless communication with the radio board on the card of the radio board base 4 .

A processing unit 9, a detection module and a power supply module 10 are arranged inside the housing 1, and the input display unit communicates with the processing unit 9 for inputting detection instructions to the processing unit 9 and displaying detection results; The processing unit 9 is connected to the corresponding motherboard card through the slot 3, and generates a control instruction according to the detection instruction to control the detection module to detect the motherboard card; the power module 10 passes through the detection motherboard 2 Power is supplied to the slots 3 of various motherboards, the processing unit 9 and the detection module.

Specifically, the detection module includes a voltage detection module 11 and a data transmission module, and the voltage detection module 11 is connected to the output power interface for detecting the output voltage of the power board and sending the detection result to the processing Unit 9;

The digital transmission module 12 is connected to the radio board through the processing unit 9 and the radio board slot 3, and judges whether the radio board is normal by sending and receiving analog data;

Specifically, the input display unit includes a touch display 5, a detection start-stop button 6 and a power switch 7, and the touch display 5 is used to input detection instructions to the processing unit 9 and display detection results; The detection start and stop button 6 is used to control the start and stop of the detection function of the processing unit, and the power switch 7 is used to control the conduction of the power module 10 .

Specifically, the housing is also provided with a power board indicator light 8, a communication board indicator light 8 and a radio board indicator light 8 respectively corresponding to the power board slot, the communication board slot and the radio board slot, The power board indicator light 8 is used to display whether the power board has voltage output, the communication board indicator light is used to display whether the communication board 8 has data communication, and the radio board indicator light 8 is used to display whether the radio board has data transmission Wherein, one end of the communication board indicator light 8 is connected to a 5V power supply voltage through a resistor, and the other end of the communication board indicator light 8 is connected to the communication board and the detector processing unit 9 through a diode.

The STP vehicle main board tester provides the output of common DC power supply, such as providing 12V DC power to the radio board, 5V DC power to the communication board and 110V DC power to the power board, so that it is convenient to build a simulation test environment for the STP system. The shell 1 is also provided with a backup power output port 13 , preferably, the backup power output port 13 is a backup 110V DC port and a backup 12V DC port for providing backup power to the outside through the power module 10 .

The present invention also provides a kind of vehicle-mounted mainboard card detection method based on STP vehicle-mounted mainboard board card detector, comprises the following steps:

Step 1, insert the board card to be detected into the corresponding slot 3 of the tester, press the power switch 7, and the power module 10 will send to the detection motherboard 2, the power board base 4, and the communication board base 4. Power supply for the radio board base 4, the processing unit 9, the input and display unit and the detection module;

Step 2, the input display unit is used to input detection instructions to the processing unit 9; specifically, the detection instructions are divided into three types: power board detection instructions, communication board detection instructions and radio board detection instructions;

Step 3, press the detection start-stop switch, the processing unit 9 judges the type of the detection instruction, generates a control instruction according to the judgment result and sends it to the detection module, and the detection module sends the main board the control instruction according to the control instruction. card to be tested.

Specifically, the specific process of step 4 is:

The processing unit 9 judges the type of the detection instruction,

If it is the power board detection instruction, the processing unit 9 generates a control instruction according to the power board detection instruction and sends it to the voltage detection module 11, and the voltage detection module 11 outputs to the power board according to the control instruction. The voltage is detected, and the output voltage detection result is returned to the processing unit 9. When the processing unit 9 finds that the input power is within a reasonable range, such as a voltage fluctuation range of 0.7 to 1.25 times the rated voltage, the output voltage of each power board will If the floating range of 5V DC and 12V DC exceeds the preset voltage fluctuation threshold, it is judged that the power board is faulty, and the detection status of each power supply of the power board and whether the display is normal is displayed graphically in the corresponding area of the input and display unit.

If it is a communication board detection instruction, the processing unit 9 communicates with the communication board through the communication board slot 3, specifically, the processing unit 9 sends data of a specific protocol to the communication unit in real time, and verifies the communication board according to the communication result The serial communication port such as querying whether the host RS485 port, printer RS232 port, radio station RS232 port is normal, and whether the storage function of the communication board is normal, and displays whether the functions of the communication board are normal on the touch screen graphically;

If it is a radio board detection instruction, the processing unit 9 generates a control instruction according to the radio board detection instruction and sends it to the data transmission module 12. After the data transmission module 12 receives the control instruction, it passes through the processing unit 9 and the radio board to input instructions and parameters such as repair power and frequency to the radio board to perform data transmission and reception simulation, and the processing unit 9 judges whether the radio board is normal according to the simulation result, and displays the status of the radio board on the touch screen graphically Whether all functions are normal.

In order to visually observe whether the power board, the communication board and the radio board are normal, the STP vehicle-mounted motherboard card detector is also provided with a power board indicator 8, a communication board indicator 8 and a radio board indicator 8;

Specifically, through the power board indicator light 8, it is visually identified whether the power board has a voltage output. When there is a voltage output, the power board indicator light 8 will be on; There is data communication; specifically as shown in Figure 4, when the communication board has data communication, the communication board and the processing unit 9 are at high and low levels, and when the communication board and the processing unit 9 are at high level, its The level value is consistent with the 5V power supply voltage, and the communication board indicator light 8 is not on. When the communication board and the processing unit 9 are at a low level, the level value is lower than the 5V power supply voltage, and the communication board indicates Lamp 8 is bright; Whether there is data communication in the communication process of radio board visual recognition through radio board indicator light 8, when there is data communication, between radio board and described processing unit 9 is high and low level, when radio board and described When the processing unit 9 is at a high level, its level value is consistent with the 5V power supply voltage, and the radio board indicator light 8 is off; when it is at a low level between the communication board and the processing unit 9, its level value Lower than the 5V power supply voltage, the radio board indicator light 8 is on.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: the present invention can still be Modifications to the specific implementation of the invention or equivalent replacement of some technical features; without departing from the spirit of the technical solution of the present invention, should be included in the scope of the technical solution claimed in the present invention.

Claims (10)

1. A STP vehicle-mounted motherboard card detector, is characterized in that: comprise casing, described casing is provided with detection mother board and input display unit, and described detection motherboard is provided with multiple for inserting mainboard board a slot for a processing unit, a detection module and a power supply module are arranged on the inner side of the housing; The input display unit communicates with the processing unit, and is used to input detection instructions to the processing unit and display detection results; The processing unit is connected to the corresponding motherboard through the slot, and generates a control instruction according to the detection instruction to control the detection module to detect the motherboard; The power supply module supplies power to the slot, the processing unit and the detection module through the detection motherboard. 2. STP vehicle-mounted motherboard card detector according to claim 1, is characterized in that: described slot comprises power board slot, communication board slot and radio board slot, is provided with in described power board slot The power board base is provided with an input power interface and an output power interface for electrical connection with the power board; the communication board slot is provided with a communication board base, and the communication board base is provided with an interface for connecting with the power board. The communication interface for the communication connection of the communication board; the radio board base is arranged in the slot of the radio board, and the data transmission interface for wireless communication with the radio board is arranged on the base card of the radio board. 3. STP vehicle-mounted main board board card detector according to claim 2, is characterized in that: described detection module comprises voltage detection module and digital transmission module, and described voltage detection module is connected with described output power interface, according to described control an instruction to detect the output voltage of the power board, and return the detection result to the processing unit; The data transmission module is connected to the radio board through the processing unit and the radio board slot, and simulates data transmission and reception according to the control instructions. 4. STP vehicle-mounted main board board card detector according to claim 3, is characterized in that: described input display unit comprises touch display screen, detects start-stop button and power switch, and described touch display screen is used for to described processing The unit inputs detection instructions and displays the detection results; the detection start-stop button is used to control the start-stop of the detection function of the processing unit; the power switch is used to control the power supply module to the slot of various main board , supplying power to the processing unit and the detection module. 5. The STP vehicle-mounted motherboard card detector according to claim 3, wherein: the housing is also respectively corresponding to the power board slot, the communication board slot and the radio board slot are provided with Power board indicator light, communication board indicator light and radio board indicator light, the power board indicator light is used to display whether the power board has voltage output, the communication board indicator light is used to display whether the communication board has data communication, and the radio station The board indicator light is used to show whether the radio board has data transmission. 6. The STP vehicle-mounted motherboard card detector according to claim 5, characterized in that: one end of the communication board indicator is connected to the 5V power supply voltage through a resistor, and the other end of the communication board indicator is connected to the communication board and the detector processing unit. 7. The STP vehicle-mounted motherboard tester according to claim 3, characterized in that: the casing is also provided with a backup power output port. 8. a kind of mainboard card detection method based on the STP vehicle-mounted mainboard board card detector described in claim 4-7, is characterized in that, comprises the following steps: Step 1, insert all kinds of motherboard cards to be detected into the corresponding slots, press the power switch, and the power supply module supplies the detection motherboard, the processing unit, the input and display unit and the detection module powered by; Step 2, the input display unit inputs a detection instruction to the processing unit; Step 3: Press the detection start-stop switch, the processing unit judges the type of the detection instruction, generates a control instruction according to the judgment result and sends it to the detection module, and the detection module performs a check on the main board according to the control instruction. to test. 9. the motherboard detection method based on the STP vehicle-mounted motherboard detector according to claim 8, is characterized in that, the detection instruction in step 2 and step 3 is divided into power supply board detection instruction, communication board detection instruction And radio board detection command three. 10. the motherboard detection method based on STP vehicle-mounted motherboard detector according to claim 9, is characterized in that, the concrete process of step 4 is: the processing unit judges the type of the detection instruction, If it is the power board detection instruction, the processing unit generates a control instruction according to the power board detection instruction and sends it to the voltage detection module, and the voltage detection module detects the output voltage of the power board according to the control instruction , and return the output voltage detection result to the processing unit, and the processing unit judges whether the power board is normal according to the output voltage detection result and a preset voltage fluctuation threshold; If it is the communication board detection instruction, the processing unit communicates with the communication board through the communication board slot, and verifies whether the serial communication port of the communication board is normal and whether the storage function of the communication board is normal according to the communication result; If it is a radio board detection command, the processing unit generates a control command according to the radio board detection command and sends it to the data transmission module. After receiving the control command, the digital transmission module communicates with the radio board through the processing unit The data sending and receiving simulation is performed, and the processing unit judges whether the radio board is normal according to the simulation result.