CN218213833U

CN218213833U - Signal board of suspension interface box board card

Info

Publication number: CN218213833U
Application number: CN202221774338.9U
Authority: CN
Inventors: 年佳; 田焕荣; 杨巍
Original assignee: Hunan Lingxiang Maglev Technology Co Ltd
Current assignee: Hunan Lingxiang Maglev Technology Co Ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-01-03
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to a signal panel of suspension interface case integrated circuit board, through 485 communication circuit, FPGA and 485 sensing signal output circuit, through the control panel of suspension interface case integrated circuit board, the bottom plate, establish the contact between the signal panel of host simulation system and suspension controller board card, be the essential element of high-speed magnetic levitation semi-physical simulation platform suspension interface case, the sensor analog signal who issues host simulation system, issue to the signal panel of suspension controller board card, become some of emulation test circuit, can provide the physics platform for emulation test system.

Description

Signal board of suspension interface box board card

Technical Field

The utility model relates to a simulation control field especially relates to a signal plate of suspension interface box integrated circuit board.

Background

The suspension controller is a core control component of a normally-conducting high-speed magnetic-levitation train, and the safe and stable operation without faults is the key for guaranteeing the safety and reliability of a suspension vehicle system. Therefore, complete fault hidden danger detection, dynamic performance test and the like are required before the suspension controller is assembled to the suspension vehicle or after the suspension controller is used for a period of time; especially, when the suspension controller breaks down, the fault positioning and maintenance are required to be completed under the assistance of the ground detection platform.

In the prior art, fault hidden danger detection, dynamic performance test, fault positioning and maintenance are performed by depending on special equipment such as a ground test platform, and equipment such as a real vehicle suspension frame, a track, a sensor, an electromagnet and the like is often required, so that the manufacturing cost is high, and the test function is limited.

Therefore, how to set up a universal controller signal conversion interface device and establish the connection between the upper simulation system and the signal board of the suspension controller on the basis of establishing the upper simulation system is a technical problem to be solved urgently in each detection test of the suspension controller.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a signal board of suspension interface box integrated circuit board, include: the 485 communication circuit, the FPGA and the 485 sensing signal output circuit;

the 485 communication circuit is connected with the control panel of the suspension interface box board card and the FPGA through the bottom plate, and is used for receiving the sensor data sent by the control panel of the suspension interface box board card and sending the sensor data to the FPGA;

the FPGA is also connected with the 485 sensing signal output circuit and is used for analyzing sensor data sent by the upper simulation system to obtain a sensing signal and sending the sensing signal to the 485 sensing signal output circuit;

and the 485 sensing signal output circuit is also connected with the signal board of the suspension controller board card and used for sending the sensing signal to the signal board of the suspension controller board card.

Further, the 485 communication circuit is connected with the bottom plate through the 32P connector so as to be connected with the control panel of the suspension interface box and receive the sensor data sent by the control panel of the suspension interface box board card.

And furthermore, the 485 communication circuit is also connected with an external upper computer display interface and used for sending the sensor data sent by the upper simulation system to the external upper computer display interface.

Further, the 485 communication circuit is a 4-wire full duplex communication circuit and comprises 2 MAX485 ESAs.

Furthermore, the FPGA is an EP4CE6/10FPGA.

And furthermore, the 485 sensing signal output circuit is connected with a signal board of the floating controller board card through a DB25 connector.

Furthermore, an analog switch is arranged between the 485 sensing signal output circuit and the DB25 connector to regulate and control the sensing signal.

Furthermore, 1 MAX485ESA is selected as the 485 sensing signal output circuit.

Furthermore, the 485 sensing signal output circuit also comprises an isolation circuit used for isolating the power supply and inputting and outputting signals.

Further, the sensing signals comprise analog signals of a plurality of sensors, and each signal of the sensors comprises 2 gap signals, 1 acceleration signal, 1 speed signal and 1 diagnosis signal.

The utility model provides a signal panel of suspension interface case integrated circuit board, through 485 communication circuit, FPGA and 485 sensing signal output circuit, through the bottom plate of suspension interface case integrated circuit board, the control panel, establish the contact between the signal panel of host simulation system and suspension controller, be the essential element of high-speed magnetism suspension semi-physical simulation platform suspension interface case, the sensor analog signal who issues host simulation system, issue to the signal panel of suspension controller, become some of emulation test circuit, can provide the physics platform for emulation test system.

Drawings

Fig. 1 is a block diagram illustrating an embodiment of a signal board of a suspension interface box board card according to the present invention;

fig. 2 is a circuit diagram of an embodiment of a 485 communication circuit of the signal board of the suspension interface box board card of the present invention;

fig. 3 is a circuit diagram of an embodiment of a 485 sensor signal output circuit of the signal board of the suspension interface box board card of the present invention;

fig. 4 is the circuit diagram of an embodiment of the isolation circuit of the 485 sensing signal output circuit of the signal board of the suspension interface box board card of the present invention.

Detailed Description

As shown in fig. 1, the utility model discloses a signal board of suspension interface box integrated circuit board has been given, include: 485 communication circuit, FPGA and 485 sensing signal output circuit.

Wherein, A: the 485 communication circuit is connected with the control panel of the suspension interface box board card and the FPGA through the bottom plate, and is used for receiving sensor data sent by the control panel of the suspension interface box board card and sending the sensor data to the FPGA; specifically, as shown in fig. 1, the 485 communication circuit is optionally but not limited to be connected to the bottom plate through a 32P connector to be connected to a control board (core board card) of the suspension interface box, establish indirect contact with the upper simulation system, receive sensor data (digital quantity) sent by the upper simulation system, and send the sensor data (digital quantity) to the FPGA. Preferably, as shown in fig. 2, the 485 communication circuit may also be, but not limited to, be used to send the sensor data sent by the upper simulation system to an external upper computer display interface, where the sending part is not a necessary part, but is added to a circuit that sends the sensor data sent by the upper simulation system to other upper computer display interfaces for the convenience of a simulator to check the sensor data sent by the upper simulation system, so as to constantly monitor and check whether the sensor data sent by the upper simulation system is accurate. Specifically, the 485 communication circuit is preferably a 4-wire full duplex communication circuit. More specifically, as shown in fig. 2, the 485 communication circuit may optionally, but not limited to, adopt 2 MAX485 ESAs as the 485 communication receiving circuit and the 485 communication transmitting circuit, where a low level is receiving and a high level is transmitting.

B: as shown in fig. 1, the FPGA is further connected to the 485 sensing signal output circuit, and is configured to analyze sensor data sent by the upper simulation system, obtain a sensing signal, and send the sensing signal to the 485 sensing signal output circuit; specifically, the sensing signals can be selected from, but not limited to, 10 signals of 2 simulated sensors, each sensor including 2 gap signals, 1 acceleration signal, 1 velocity signal and 1 diagnostic signal (the specific number and meaning of the sensing signals can be arbitrarily set in the upper simulation system by those skilled in the art according to simulation requirements). More specifically, the FPGA is selected from, but not limited to, an EP4CE6/10FPGA.

C: and the 485 sensing signal output circuit is also connected with the signal board of the suspension controller board card and used for sending the sensing signal to the signal board of the suspension controller board card. Specifically, the signal board of the floating controller board card may be, but not limited to, a portion of a separate floating controller board card, and may also be a floating controller real part. Preferably, the 485 sensing signal output circuit is connected with the signal board of the floating controller board card through a DB25 connector. Preferably, an analog switch is further disposed between the 485 sensing signal output circuit and the DB25 connector to regulate the sensing signal. Specifically, the number of the analog switches may be the same as the number of the sensing signals, and taking the 10 sensing signals as an example, the number of the analog switches is optionally but not limited to 10, and each sensing signal is controlled separately; the type of the analog switch can be set arbitrarily. More specifically, as shown in fig. 3, the 485 sensing signal output circuit may be selected from, but not limited to, 1 MAX485ESA. Preferably, as shown in fig. 4, the 485 sensing signal output circuit further optionally but not exclusively includes an isolation circuit for isolating the power supply from the input and output signals. Specifically, the isolation circuit may optionally, but not exclusively, employ 1 HCPL-063D. More preferably, as shown in fig. 1, the signal board further comprises an analog switch disposed at the signal board

In this embodiment, give the utility model discloses a signal plate of suspension interface box integrated circuit board, through 485 communication circuit, FPGA and 485 sensing signal output circuit, through the control panel of suspension interface box integrated circuit board, the bottom plate, establish the contact between the signal plate of upper simulation system and suspension controller, be the main part of high-speed magnetism suspension semi-physical simulation platform suspension interface box, the sensor analog signal who issues upper simulation system, issue to the signal plate of suspension controller, become some in emulation test circuit, can provide physical platform for emulation test system.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a signal plate of suspension interface box integrated circuit board which characterized in that includes: the 485 communication circuit, the FPGA and the 485 sensing signal output circuit;

the 485 communication circuit is connected with the control panel of the suspension interface box board card and the FPGA through the bottom plate, and is used for receiving sensor data sent by the control panel of the suspension interface box board card and sending the sensor data to the FPGA;

the FPGA is also connected with the 485 sensing signal output circuit and used for analyzing sensor data sent by the upper simulation system to obtain a sensing signal and sending the sensing signal to the 485 sensing signal output circuit;

2. The signal board of the floating interface box board of claim 1, wherein the 485 communication circuit is connected to the backplane through a 32P connector to connect to the control board of the floating interface box for receiving the sensor data from the control board of the floating interface box board.

3. The signal board of the suspension interface box board card of claim 1, wherein the 485 communication circuit is further connected with an external upper computer display interface, and is configured to send sensor data sent by an upper simulation system to the external upper computer display interface.

4. The signal board of the floating interface box board of claim 3, wherein the 485 communication circuit is a 4-wire full duplex communication circuit comprising 2 MAX485 ESAs.

5. The signal board of the suspension interface box board card of claim 1, wherein the FPGA is EP4CE6/10FPGA.

6. The signal board of the floating interface box board card of claim 1, wherein the 485 sensor signal output circuit is connected to the signal board of the floating controller board card through a DB25 connector.

7. The signal board of the suspension interface box board card of claim 6, wherein an analog switch is further arranged between the 485 sensing signal output circuit and the DB25 connector to regulate and control the sensing signal.

8. The signal board of the floating interface box board of claim 7, wherein 1 MAX485ESA is selected for the 485 sensing signal output circuit.

9. The signal board of the floating interface box board of claim 8, wherein the 485 sense signal output circuit further comprises an isolation circuit for isolating the power supply from the input and output signals.

10. The signal board of the floating interface box board of any one of claims 1-9, wherein the sensor signals comprise analog signals from a plurality of sensors, each sensor signal comprising 2 gap signals, 1 acceleration signal, 1 velocity signal, and 1 diagnostic signal.