CRH2 / CRH380A type motor train unit passenger information uploading equipment
By integrating the operation panel, main control module, Lonworks bus transceiver module and power supply module, the problems of complex operation of the passenger information system of the EMU and large equipment size are solved, portability and upload stability are improved, and operating efficiency is improved.
Patent Information
- Application Number
- CN202420930536.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2024-12-17
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing EMU passenger information system has complex operation, large equipment size and weight, poor portability, and low reliability, which affects operating efficiency.
Through integrated design, the operating panel, main control module, Lonworks bus transceiver module and power supply module are integrated to reduce the size and weight of the equipment, improve portability and operation convenience, and enhance upload stability.
It realizes the reduction of the size and weight of the equipment, improves operational convenience and upload stability, and improves operating efficiency.
Smart Images

Figure CN222179510U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of data uploading, in particular to a CRH2 / CRH380A type EMU passenger information uploading device. Background Art
[0002] The EMU passenger information system is used to play and display the EMU running routes, departure and arrival stations, safety precautions and other audio and text information that needs to be displayed to passengers. The EMU running routes often change. After each change, the EMU passenger information system plays and displays the departure and arrival stations, safety precautions and other audio and text information that needs to be displayed. It is necessary to use a laptop computer, decoding equipment, data conversion module and connecting cables, etc. to communicate data with the Lonworks bus equipment through the serial port device to upload the latest passenger information. For the operating personnel, the operation is too complicated and the equipment is large in size and weight, with poor portability. In addition, the equipment often fails and has poor reliability, which affects the operating efficiency. Utility Model Content
[0003] The purpose of the utility model is to provide a CRH2 / CRH380A EMU passenger information uploading device, which integrates an operation panel, a main control module, a Lonworks bus transceiver module and a power supply module through an integrated design, thereby reducing the size and weight of the device, improving the portability of the device while also improving the convenience of operation and the stability of uploading, so as to solve the problems pointed out in the background technology.
[0004] The embodiment of the utility model is realized by the following technical scheme: a CRH2 / CRH380A type EMU passenger information uploading device, comprising a casing, an operation panel arranged on the front of the casing, a main control module arranged in the casing, a Lonworks bus transceiver module and a power supply module;
[0005] The operation panel includes a forwarding module, a card reading module and a display module. The forwarding module is connected to the card reading module and is used to receive the EMU passenger information. The forwarding module is connected to the main control module and the display module and is used to send the received EMU passenger information to the main control module and forward it to the display module at the same time. The main control module is connected to the Lonworks bus transceiver module through the RS232 serial port and is used to convert the received EMU passenger information into serial port data, and send the converted serial port data to the Lonworks bus transceiver module through the RS232 serial port. The Lonworks bus transceiver module is connected to the EMU Lonworks bus and is used to upload the received serial port data. The power supply module is connected to the main control module and is used to provide a 5V working power supply for the uploading device.
[0006] According to a preferred embodiment, the operation panel is an embedded system.
[0007] As an alternative implementation, the operation panel adopts an industrial tablet computer.
[0008] According to a preferred implementation, the main control module includes a main control MCU, a clock module and a filter module;
[0009] The clock module is composed of a capacitor C1, a capacitor C4 and a crystal oscillator Y1, wherein the pin 2 of the crystal oscillator Y1 and the first end of the capacitor C1 are connected to the XT1 pin of the main control MCU, the pin 1 of the crystal oscillator Y1 and the first end of the capacitor C4 are connected to the XT2 pin of the main control MCU, and the second end of the capacitor C1 and the second end of the capacitor C4 are grounded;
[0010] The filter module is composed of a capacitor C19 and a resistor R3, a first end of the capacitor C19 is connected to a 5V power input, a second end of the capacitor C19 and a first end of the resistor R3 are connected to a RES pin of the main control MCU, and a second end of the resistor R3 is grounded.
[0011] According to a preferred embodiment, the Lonworks bus transceiver module completes data interaction with the main control module through the A data port of the bus transceiver HC245, and completes data interaction with the EMU Lonworks bus through the B data port of the bus transceiver HC245.
[0012] According to a preferred embodiment, the power supply module is composed of a power input circuit and a DC-DC conversion circuit;
[0013] The power input circuit is composed of a connector J1, a switch SW, a fuse F1, an electrolytic capacitor C2 and a capacitor C3. The output end of the connector J1 is connected to the 2nd pin of the switch SW. The 1st pin of the switch SW is connected to the fuse F1, the positive electrode of the electrolytic capacitor C2 and the first end of the capacitor C3 in sequence and outputs a 12V voltage. The negative electrode of the electrolytic capacitor C2 and the second end of the capacitor C3 are grounded.
[0014] The DC-DC conversion loop is composed of capacitor C18, DC-DC converter U2, capacitor C7, inductor L1, resistor R1, resistor R2, capacitor C8 and electrolytic capacitor C17. Pin 5, pin 4 and the first end of capacitor C18 of the DC-DC converter U2 are connected to a 12V voltage input, the second end of the capacitor C18 and pin 2 of the DC-DC converter U2 are grounded, pin 1 of the DC-DC converter U2 is connected to the first end of capacitor C7, pin 6 of the DC-DC converter U2 and the second end of capacitor C7 are connected to the first end of inductor L1, the second end of inductor L1 is connected to the first end of resistor R1, the first end of capacitor C8 and the positive electrode of electrolytic capacitor C17 in sequence and outputs a 5V voltage, pin 3 of the DC-DC converter U2 is respectively connected to the second end of resistor R1, the first end of resistor R2 and the second end of capacitor C8, and the second end of resistor R2 and the negative electrode of electrolytic capacitor C17 are grounded.
[0015] According to a preferred embodiment, the power supply module further includes a resistor R6 and a light emitting diode D1, the first end of the resistor R6 is connected to a 5V voltage input, the second end of the resistor R6 is connected to pin 1 of the light emitting diode D1, and pin 2 of the light emitting diode is grounded.
[0016] According to a preferred embodiment, it also includes a USB expansion module, which is composed of a USB chip U5, a crystal oscillator Y2, a diode D5, a capacitor C20 and a plurality of USB interfaces connected to the USB expansion chip U5, a first end of the crystal oscillator Y2 is connected to the XO pin of the USB chip U5, a second end of the crystal oscillator Y2 is connected to the XI pin of the USB chip U5, a first end of the diode D5 is connected to a 5V voltage input, a second end of the diode D5 is respectively connected to the first end of the capacitor C20 and the V5 pin of the USB chip U5, and a second end of the capacitor C20 is grounded.
[0017] According to a preferred embodiment, a protection module is also included, which is composed of a fuse F2, a capacitor C22, a capacitor C23, a resistor R10 and a resistor R11. The first end of the fuse F2 and the first end of the capacitor C22 are connected to a 5V voltage input, the second end of the fuse F2 and the first end of the capacitor C23 are connected to the VBUS port of each USB interface, the second end of the capacitor C22 and the second end of the capacitor C23 are grounded, the first end of the resistor R10 and the first end of the resistor R11 are connected to a 5V voltage input, the second end of the resistor R10 is connected to the PW pin of the USB chip U5, and the second end of the resistor R11 is connected to the OV pin of the USB chip U5.
[0018] According to a preferred embodiment, the protection module further includes a resistor R9 and a light emitting diode D2, the first end of the resistor R9 is connected to a 5V voltage input, the second end of the resistor R9 is connected to pin 1 of the light emitting diode D2, and pin 2 of the light emitting diode D2 is grounded.
[0019] The technical solution of a CRH2 / CRH380A EMU passenger information uploading device provided by an embodiment of the utility model has at least the following advantages and beneficial effects: the utility model integrates the operation panel, the main control module, the Lonworks bus transceiver module and the power supply module through an integrated design, thereby reducing the size and weight of the device, improving the portability of the device while also improving the convenience of operation and the stability of uploading. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 A front view of a CRH2 / CRH380A EMU passenger information uploading device provided in Example 1 of the utility model;
[0021] Figure 2 A rear view of a CRH2 / CRH380A EMU passenger information uploading device provided in Example 1 of the utility model;
[0022] Figure 3 A left view of a CRH2 / CRH380A EMU passenger information uploading device provided in Example 1 of the utility model;
[0023] Figure 4 A right side view of a CRH2 / CRH380A EMU passenger information uploading device provided in Example 1 of the utility model;
[0024] Figure 5 A top view of a CRH2 / CRH380A EMU passenger information uploading device provided in Example 1 of the utility model;
[0025] Figure 6 A bottom view of a CRH2 / CRH380A EMU passenger information uploading device provided in Example 1 of the utility model;
[0026] Figure 7 A framework diagram of a CRH2 / CRH380A EMU passenger information uploading device provided in Example 1 of the utility model;
[0027] Figure 8 A schematic diagram of the main control module circuit provided in Example 3 of the utility model;
[0028] Fig. 9 A schematic diagram of a Lonworks bus transceiver module circuit provided in Embodiment 3 of the present utility model;
[0029] Fig.10 A schematic diagram of a power supply module circuit provided in Embodiment 3 of the present utility model;
[0030] Fig.11 A schematic diagram of a USB expansion module circuit provided in Embodiment 3 of the present utility model;
[0031] Fig.12 A circuit schematic diagram of a protection module provided in Embodiment 3 of the present utility model;
[0032] Icons: 1-housing, 2-display module, 3-camera, 4-indicator light, 5-control cabin, 6-power interface, 7-USB interface, 8-audio interface, 9-data interface, 10-power switch button, 11-function button, 12-CF card slot. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0034] Example 1
[0035] See also Figures 1 to 6 As shown, the CRH2 / CRH380A EMU passenger information uploading device provided in this embodiment includes a housing 1, an operation panel arranged on the front of the housing 1, a main control module, a Lonworks bus transceiver module and a power supply module arranged in the housing 1.
[0036] This embodiment integrates the operation panel, main control module, Lonworks bus transceiver module and power supply module through an integrated design, which reduces the size and weight of the device, improves the portability of the device, and also improves the convenience of operation and the stability of uploading.
[0037] See also Figure 7As shown, the operation panel includes a forwarding module, a card reading module and a display module 2; in one implementation of the present embodiment, the operation panel is an embedded system, wherein the forwarding module is a processing unit of the embedded system, equipped with an upload software, for uploading the compiled passenger information, the card reading module is used for transferring and reading CF card data, the forwarding module is connected to the card reading module, for receiving the EMU passenger information, the forwarding module is connected to the main control module and the display module 2, for sending the received EMU passenger information to the main control module, and forwarding it to the display module 2 at the same time; the display module 2 is used to display the working status. The main control module is developed based on the STM32 chip, for realizing the data interaction processing of the device, wherein the main control module is connected to the Lonworks bus transceiver module through the RS232 serial port, for converting the received EMU passenger information into serial port data, and sending the converted serial port data to the Lonworks bus transceiver module through the RS232 serial port. The Lonworks bus transceiver module is connected to the EMU Lonworks bus, for uploading the received serial port data. The power supply module is connected to the main control module and is used to provide a 5V working power supply for the upload device.
[0038] More specifically, if Figure 1 As shown, the display module 2 is arranged on the front of the device. In addition, a camera 3 and an indicator light 4 are arranged above the display module 2. The camera 3 and the indicator light 4 are both connected to the forwarding module. Figure 2 As shown, a control cabin 5 is provided at the back of the housing 1, and the main control module, Lonworks bus transceiver module and power supply module are all arranged in the control cabin 5. Figure 3 As shown, the left side of the housing 1 is provided with a power interface 6, a USB interface 7 and an audio interface 8. Figure 4 As shown, the right side of the housing 1 is provided with a data interface 9, including a TF card interface and a SIM card interface. Figure 5 As shown, a power switch button 10 and a function key 11 are provided on the top of the housing 1, and a Lonworks bus interface is provided on the top of the control cabin 5. Figure 6 As shown, a CF card slot 12 is provided at the bottom of the control cabin 5 .
[0039] Example 2
[0040] Different from Example 1, in the CRH2 / CRH380A EMU passenger information uploading device provided in this embodiment, the operation panel adopts an industrial tablet computer, and the embedded system of Example 1 is replaced with a wince industrial tablet computer to realize passenger information uploading.
[0041] In this embodiment, the wince industrial tablet computer is used as a processing unit to carry data uploading software and execute the control function of data uploading; the main control module is used to realize the data decoding function between the Lonworks bus transceiver module and the wince industrial tablet computer, and realize the data encoding of the relevant text files and sending them to the Lonworks bus transceiver module for uploading; the Lonworks bus transceiver module communicates with the EMU on-board ADD module to realize the uploading of passenger information.
[0042] Example 3
[0043] See also Figure 8 In the present embodiment, the main control module comprises a main control MCU, a clock module and a filter module; wherein the clock module is composed of a capacitor C1, a capacitor C4 and a crystal oscillator Y1, pin 2 of the crystal oscillator Y1 and a first end of the capacitor C1 are connected to the XT1 pin of the main control MCU, pin 1 of the crystal oscillator Y1 and a first end of the capacitor C4 are connected to the XT2 pin of the main control MCU, and a second end of the capacitor C1 and a second end of the capacitor C4 are grounded; the filter module is composed of a capacitor C19 and a resistor R3, a first end of the capacitor C19 is connected to a 5V power input, a second end of the capacitor C19 and a first end of the resistor R3 are connected to the RES pin of the main control MCU, and a second end of the resistor R3 is grounded.
[0044] See also Fig. 9 As shown, in this embodiment, the Lonworks bus transceiver module completes data interaction with the main control module through the A data port of the bus transceiver HC245, and completes data interaction with the EMU Lonworks bus through the B data port of the bus transceiver HC245.
[0045] See also Fig.10As shown, in this embodiment, the power supply module is composed of a power input circuit and a DC-DC conversion circuit; wherein the power input circuit is composed of a connector J1, a switch SW, a fuse F1, an electrolytic capacitor C2 and a capacitor C3, the output end of the connector J1 is connected to the 2nd pin of the switch SW, the 1st pin of the switch SW is sequentially connected to the fuse F1, the positive electrode of the electrolytic capacitor C2 and the first end of the capacitor C3 and outputs a 12V voltage, the negative electrode of the electrolytic capacitor C2 and the second end of the capacitor C3 are grounded; the DC-DC conversion circuit is composed of a capacitor C18, a DC-DC converter U2, a capacitor C7, an inductor L1, a resistor R1, a resistor R2, a capacitor C8 and an electrolytic capacitor C17, the DC-DC Pin 5, pin 4 of the converter U2 and the first end of the capacitor C18 are connected to a 12V voltage input, the second end of the capacitor C18 and pin 2 of the DC-DC converter U2 are grounded, pin 1 of the DC-DC converter U2 is connected to the first end of the capacitor C7, pin 6 of the DC-DC converter U2 and the second end of the capacitor C7 are connected to the first end of the inductor L1, the second end of the inductor L1 is connected to the first end of the resistor R1, the first end of the capacitor C8 and the positive electrode of the electrolytic capacitor C17 in sequence and outputs a 5V voltage, pin 3 of the DC-DC converter U2 is respectively connected to the second end of the resistor R1, the first end of the resistor R2 and the second end of the capacitor C8, and the second end of the resistor R2 and the negative electrode of the electrolytic capacitor C17 are grounded.
[0046] Furthermore, the power supply module also includes a resistor R6 and a light emitting diode D1, the first end of the resistor R6 is connected to a 5V voltage input, the second end of the resistor R6 is connected to pin 1 of the light emitting diode D1, and pin 2 of the light emitting diode is grounded.
[0047] See also Fig.11 As shown, in this embodiment, a USB expansion module is also included, and the USB expansion module is composed of a USB chip U5, a crystal oscillator Y2, a diode D5, a capacitor C20 and a plurality of USB interfaces 7 connected to the USB expansion chip U5. The first end of the crystal oscillator Y2 is connected to the XO pin of the USB chip U5, the second end of the crystal oscillator Y2 is connected to the XI pin of the USB chip U5, the first end of the diode D5 is connected to a 5V voltage input, the second end of the diode D5 is respectively connected to the first end of the capacitor C20 and the V5 pin of the USB chip U5, and the second end of the capacitor C20 is grounded.
[0048] See also Fig.12As shown, in this embodiment, a protection module is also included, and the protection module is composed of a fuse F2, a capacitor C22, a capacitor C23, a resistor R10 and a resistor R11. The first end of the fuse F2 and the first end of the capacitor C22 are connected to a 5V voltage input, the second end of the fuse F2 and the first end of the capacitor C23 are connected to the VBUS port of each USB interface 7, the second end of the capacitor C22 and the second end of the capacitor C23 are grounded, the first end of the resistor R10 and the first end of the resistor R11 are connected to a 5V voltage input, the second end of the resistor R10 is connected to the PW pin of the USB chip U5, and the second end of the resistor R11 is connected to the OV pin of the USB chip U5.
[0049] Furthermore, the protection module also includes a resistor R9 and a light emitting diode D2, the first end of the resistor R9 is connected to a 5V voltage input, the second end of the resistor R9 is connected to pin 1 of the light emitting diode D2, and pin 2 of the light emitting diode D2 is grounded.
[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A CRH2 / CRH380A EMU passenger information uploading device, characterized in that: It comprises a casing (1), an operation panel arranged on the front of the casing (1), a main control module, a Lonworks bus transceiver module and a power supply module arranged in the casing (1); The operation panel comprises a forwarding module, a card reading module and a display module (2); the forwarding module is connected to the card reading module and is used to receive the EMU passenger information; the forwarding module is connected to the main control module and the display module (2) and is used to send the received EMU passenger information to the main control module and forward it to the display module (2); the main control module is connected to the Lonworks bus transceiver module via the RS232 serial port and is used to convert the received EMU passenger information into serial port data and send the converted serial port data to the Lonworks bus transceiver module via the RS232 serial port; the Lonworks bus transceiver module is connected to the EMU Lonworks bus and is used to upload the received serial port data; the power supply module is connected to the main control module and is used to provide a 5V working power supply for the uploading device.
2. The CRH2 / CRH380A EMU passenger information uploading device as claimed in claim 1, characterized in that: The operation panel is an embedded system.
3. The CRH2 / CRH380A EMU passenger information uploading device as claimed in claim 1, characterized in that: The operation panel adopts an industrial tablet computer.
4. The CRH2 / CRH380A EMU passenger information uploading device as claimed in any one of claims 2 to 3, characterized in that: The main control module includes a main control MCU, a clock module and a filter module; The clock module is composed of a capacitor C1, a capacitor C4 and a crystal oscillator Y1, wherein the pin 2 of the crystal oscillator Y1 and the first end of the capacitor C1 are connected to the XT1 pin of the main control MCU, the pin 1 of the crystal oscillator Y1 and the first end of the capacitor C4 are connected to the XT2 pin of the main control MCU, and the second end of the capacitor C1 and the second end of the capacitor C4 are grounded; The filter module is composed of a capacitor C19 and a resistor R3, a first end of the capacitor C19 is connected to a 5V power input, a second end of the capacitor C19 and a first end of the resistor R3 are connected to a RES pin of the main control MCU, and a second end of the resistor R3 is grounded.
5. The CRH2 / CRH380A EMU passenger information uploading device as claimed in claim 4, characterized in that: The Lonworks bus transceiver module completes data interaction with the main control module through the A data port of the bus transceiver HC245, and completes data interaction with the EMU Lonworks bus through the B data port of the bus transceiver HC245.
6. The CRH2 / CRH380A EMU passenger information uploading device as claimed in claim 4, characterized in that: The power supply module is composed of a power input circuit and a DC-DC conversion circuit; The power input circuit is composed of a connector J1, a switch SW, a fuse F1, an electrolytic capacitor C2 and a capacitor C3. The output end of the connector J1 is connected to the 2nd pin of the switch SW. The 1st pin of the switch SW is connected to the fuse F1, the positive electrode of the electrolytic capacitor C2 and the first end of the capacitor C3 in sequence and outputs a 12V voltage. The negative electrode of the electrolytic capacitor C2 and the second end of the capacitor C3 are grounded. The DC-DC conversion loop is composed of capacitor C18, DC-DC converter U2, capacitor C7, inductor L1, resistor R1, resistor R2, capacitor C8 and electrolytic capacitor C17. Pin 5, pin 4 and the first end of capacitor C18 of the DC-DC converter U2 are connected to a 12V voltage input, the second end of the capacitor C18 and pin 2 of the DC-DC converter U2 are grounded, pin 1 of the DC-DC converter U2 is connected to the first end of capacitor C7, pin 6 of the DC-DC converter U2 and the second end of capacitor C7 are connected to the first end of inductor L1, the second end of inductor L1 is connected to the first end of resistor R1, the first end of capacitor C8 and the positive electrode of electrolytic capacitor C17 in sequence and outputs a 5V voltage, pin 3 of the DC-DC converter U2 is respectively connected to the second end of resistor R1, the first end of resistor R2 and the second end of capacitor C8, and the second end of resistor R2 and the negative electrode of electrolytic capacitor C17 are grounded.
7. The CRH2 / CRH380A EMU passenger information uploading device as claimed in claim 6, characterized in that: The power supply module further includes a resistor R6 and a light emitting diode D1 , wherein a first end of the resistor R6 is connected to a 5V voltage input, a second end of the resistor R6 is connected to pin 1 of the light emitting diode D1 , and pin 2 of the light emitting diode is grounded.
8. The CRH2 / CRH380A EMU passenger information uploading device as claimed in claim 4, characterized in that: The device also includes a USB expansion module, which is composed of a USB chip U5, a crystal oscillator Y2, a diode D5, a capacitor C20, and a plurality of USB interfaces (7) connected to the USB expansion chip U5. The first end of the crystal oscillator Y2 is connected to the XO pin of the USB chip U5, the second end of the crystal oscillator Y2 is connected to the XI pin of the USB chip U5, the first end of the diode D5 is connected to a 5V voltage input, the second end of the diode D5 is respectively connected to the first end of the capacitor C20 and the V5 pin of the USB chip U5, and the second end of the capacitor C20 is grounded.
9. The CRH2 / CRH380A EMU passenger information uploading device as claimed in claim 8, characterized in that: The device also includes a protection module, which is composed of a fuse F2, a capacitor C22, a capacitor C23, a resistor R10 and a resistor R11. The first end of the fuse F2 and the first end of the capacitor C22 are connected to a 5V voltage input, the second end of the fuse F2 and the first end of the capacitor C23 are connected to the VBUS port of each USB interface (7), the second end of the capacitor C22 and the second end of the capacitor C23 are grounded, the first end of the resistor R10 and the first end of the resistor R11 are connected to the 5V voltage input, the second end of the resistor R10 is connected to the PW pin of the USB chip U5, and the second end of the resistor R11 is connected to the OV pin of the USB chip U5.
10. The CRH2 / CRH380A EMU passenger information uploading device as claimed in claim 9, characterized in that: The protection module further includes a resistor R9 and a light emitting diode D2. The first end of the resistor R9 is connected to a 5V voltage input, the second end of the resistor R9 is connected to pin 1 of the light emitting diode D2, and pin 2 of the light emitting diode D2 is grounded.
