CN218675126U

CN218675126U - Multifunctional handheld terminal for overhauling and maintaining railway signal equipment

Info

Publication number: CN218675126U
Application number: CN202221936175.XU
Authority: CN
Inventors: 王伟峰; 朱学文; 解峰; 张伟; 陈龙; 陈鹤楠; 李超; 石磊; 全宏宇; 闫硕
Original assignee: China Railway Siyuan Survey and Design Group Co Ltd
Current assignee: China Railway Siyuan Survey and Design Group Co Ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-03-21
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to the technical field of hand-held terminals, and discloses a multifunctional hand-held terminal for railway signal equipment maintenance, which comprises a system module control structure and a voltage and current measuring module; the system module control structure is connected with the voltage and current measuring module. Both supported the relevant function of traditional cell-phone, simultaneously again can the measuring voltage, signals such as electric current, when need gather voltage, measured data such as electric current, handheld terminal can the automatic selection relevant measurement keep off the position, the automatic data storage that will measure is at handheld terminal and is passed back to the server, the authenticity of data has both been ensured, the work of personnel's input data after returning back reduces again, work efficiency is improved, can't effectively manage the instrument to the scene, we have increased RFID label recognition function on this kind of multipurpose terminal, through the label on the scanning instrument, can realize the electronic management to the instrument, avoid the instrument to omit at the operation scene.

Description

Multifunctional handheld terminal for overhauling and maintaining railway signal equipment

Technical Field

The utility model relates to a handheld terminal technical field specifically is a multi-functional handheld terminal that is used for railway signal equipment to overhaul and maintain.

Background

The handheld terminal refers to a portable data processing terminal with the following characteristics: operating systems such as WINDOWS Mobile6.1/6.5WinCE5.0/6.0, LINUX, android, ucos and the like; memory, CPU, display card, etc.; screen and keyboard, data transmission processing capability; the battery is arranged in the mobile phone, and the mobile phone can be used in a mobile way. Generally, handheld terminals are classified into industrial-grade handheld terminals and consumer handheld terminals. The performance, stability and durability of the industrial-grade hand-held terminal are better than those of the consumer-grade hand-held terminal.

The utility model discloses a chinese utility model CN201020525344.1 railway signal equipment inspection device provides a hand-held terminal that has adopted zigBee communication module, install the railway signal equipment inspection device that patrols and supervises the terminating machine that has zigBee communication module and install the PC or server that install in the workplace of patrolling and patrolling equipment department, the operation management level that railway signal equipment patrolled and patrolled can be improved, the operation security of signal equipment is effectual to be improved, but at present to the maintenance management of railway signal equipment, mainly electronize whole flow, through the issue, submit and summarize of operation task on the computer, to the management in operation scene, only can carry out the conversation through radio station in the contact person's hand and the protection personnel in scene, can not real-time record relevant circumstances and data of field operation, to the instrument that maintenance operation needs, adopt the mode of paper to record, and record relevant data on the paper form, record relevant recorded data through the computer after the operation is accomplished, increase work load, can not guarantee the authenticity of data yet, and simultaneously, the instrument that the maintenance operation was taken out statistics, the operation when changing into a scene also can not cause the hidden danger to the operation in time, also can not cause the operation safety of railway.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional handheld terminal for railway signal equipment overhauls and maintains to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional hand-held terminal for railway signal equipment maintenance comprises a system module control structure and a voltage and current measuring module;

the system module control structure is connected with the voltage and current measuring module, the voltage and current measuring module comprises an A/D sampling module, an LCD display, a communication interface, a keyboard, a memory EEPROM, a rechargeable battery pack, a power generation circuit, a voltage sensor, a current sensor and a preposed conditioning circuit, the A/D sampling module is respectively connected with the LCD display, the communication interface, the keyboard, the memory EEPROM, the rechargeable battery pack and the preposed conditioning circuit, the preposed conditioning circuit is respectively connected with the voltage sensor and the current sensor, and the power generation circuit is connected with the rechargeable battery pack.

As an optimized improvement mode of the multifunctional handheld terminal for railway signal equipment maintenance, the system module control structure is composed of a core processor, a radio frequency module RFID, a data transmission communication module GPRS, an operation storage module DDR3, a positioning module GPS, a display module LCD, a data storage module EMMC, a touch screen, a camera, wiFi/Bluetooth and 4G EMMC, and the core processor is respectively connected with the radio frequency module RFID, the data transmission communication module GPRS, the operation storage module DDR3, the positioning module GPS, the display module LCD, the data storage module EMMC, the touch screen, the camera and the WiFi/Bluetooth.

As an optimized improved mode of the multifunctional handheld terminal for railway signal equipment maintenance, the 4G EMMC, the camera and the WiFi/Bluetooth are connected.

As an optimized improvement mode of the multifunctional handheld terminal for railway signal equipment maintenance, the data transmission communication module GPRS, the operation storage module DDR3 and the positioning module GPS are connected.

As a preferable improvement mode of the multifunctional handheld terminal for the overhaul and maintenance of the railway signal equipment, the display module LCD is connected with the touch screen.

As a preferable improvement mode of the multifunctional handheld terminal for the overhauling and maintenance of the railway signal equipment, the rechargeable battery pack is used for supplying power to the A/D sampling module, and the voltage generating circuit converts the voltage of the rechargeable battery pack into stable voltage to supply power to the sampling module.

As a preferable improvement mode of the multifunctional handheld terminal for the overhaul and maintenance of the railway signal equipment, the memory EEPROM is responsible for storing the sampled data.

As a preferable improvement mode of the multifunctional handheld terminal for the overhauling and maintenance of the railway signal equipment, the communication interface is responsible for data communication with the control structure of the system module.

As a preferable improvement of the multifunctional handheld terminal for railway signal equipment maintenance provided by the present application, the circuit of the voltage and current measuring module includes the following:

the 1 st pin, the 2 nd pin, the 3 rd pin, the 4 th pin and the 5 th pin of the chip STM32F407VG are respectively connected with a self-resetting fuse P28, a self-resetting fuse P29, a self-resetting fuse P30, a self-resetting fuse P31 and a self-resetting fuse P32, the 6 th pin of the chip STM32F407VG is respectively connected with the 11 th pin and the 10 th pin and then connected with two ends of a capacitor C105, the 12 th pin of the chip STM32F407VG is respectively connected with one end of a resistor R77, one end of a quartz crystal oscillator Y2 and one end of a capacitor C44, the resistor R77 and the quartz crystal oscillator Y2 are connected in parallel, the other end of the resistor R77 and the other end of the quartz crystal oscillator Y2 are respectively connected with the 13 th pin of the chip STM32F407, the two ends of the resistor R77 are respectively connected with one end of the C43 and one end of the C44, the other end of the C43 and the other end of the C44 are respectively connected to the ground and the C105, the 14 th pin of the chip STM32F407, the other end of the switch VG 1 is connected with the pin VG K19 th pin of the chip VG 19, the 18 th pin of the chip STM32F407VG is connected to a self-reset fuse P36, switches K1, C79, C35 and C26 in parallel, a resistor R106 is connected between the C35 and the C26, two ends of the C26 are respectively grounded and connected to the 22 th pin and the 21 st pin of the chip STM32F407VG, the 23 rd pin of the chip STM32F407VG is connected to P38, the 95 th to 98 th pins of the chip STM32F407VG are respectively connected to P24, P25, P26 and P27, the 94 th pin of the chip STM32F407VG is respectively connected to one end of R108 and the 1 st to 3 rd pins of BOOT, the 4 th to 7 th pins of BOOT are respectively connected to one end of R108 and ground, the 83 th to 93 th pins of the chip STM32F VG 407 are respectively connected to P13, P14, P15, P16, P17, P18, P19, P20, P21, P22 and P23, the 81 th pin of the chip STM32F407 is connected to P11, the chip connector is connected to a chip connector G76, a chip connector G32F 407, a chip connector is connected to one end of the STM32F407, a chip connector G connector is connected to a chip connector G connector P11, a chip connector G connector is connected to a chip connector P9, a chip connector P48, the other end of R37 is connected with Q5, the two ends of Q5 are respectively connected with a switch SKP1 of the loudspeaker, and one end of the switch SKP1 is connected with R103.

As a preferable improvement mode of the multifunctional handheld terminal for railway signal equipment maintenance provided by the application, the circuit at the periphery of the chip STM32F407VG comprises the following steps:

the 1 st pin and the 2 nd pin of the connector JP4 are respectively connected with UART2 TX and UART2 RX, the 3 rd pin of the connector JP4 is grounded, the capacitors C25, C30, C33, C78 and EC1 are connected in parallel, then the two ends are respectively connected with 3.3VCC and DGND, the 4 th pin of the connector JP1 is connected with 3.3VCC, the 6 th pin of the connector JP1 is connected with UART1 TX, the 8 th pin of the connector JP1 is connected with UART1 RX, and the 2 nd pin, the 4 th pin, the 6 th pin, the 8 th pin and the 10 th pin of the connector JP1 are connected with ground.

Compared with the prior art, the beneficial effects of the utility model are that:

the multifunctional handheld terminal for overhauling and maintaining the railway signal equipment supports the related functions of a traditional mobile phone, can measure signals such as voltage and current, and has an RFID label identification function, the terminal can receive the operation task of a system, the related task is opened through the terminal during field operation, the handheld terminal can automatically select a related measurement gear when the measurement data such as the voltage and the current are required to be collected, the measured data are automatically stored in the handheld terminal and are transmitted back to a server, the authenticity of the data is guaranteed, the work of inputting the data after personnel return is reduced, the working efficiency is improved, the tools cannot be effectively managed on site, the RFID label identification function is added to the multifunctional terminal, the electronic management of the tools can be realized by scanning labels on the tools, and the tools are prevented from being omitted on the operation site.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a system diagram of a voltage and current measuring module of a multifunctional hand-held terminal for railway signal equipment maintenance;

FIG. 2 is a system diagram of the system module control structure of the multifunctional hand-held terminal for railway signal equipment maintenance of the present invention;

FIG. 3 is a circuit diagram of the chip STM32F407VG of the multifunctional hand-held terminal for railway signal equipment maintenance of the present invention;

fig. 4 is the utility model discloses a chip STM32F407VG peripheral circuit diagram that is used for multi-functional handheld terminal of railway signal equipment maintenance.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a multifunctional hand-held terminal for railway signal equipment maintenance, which comprises a system module control structure and a voltage and current measuring module;

In this embodiment, the system module control structure is composed of a core processor, a radio frequency module RFID, a data transmission communication module GPRS, an operation storage module DDR3, a positioning module GPS, a display module LCD, a data storage module EMMC, a touch screen, a camera, a WiFi bluetooth, and a 4G EMMC, and the core processor is connected to the radio frequency module RFID, the data transmission communication module GPRS, the operation storage module DDR3, the positioning module GPS, the display module LCD, the data storage module EMMC, the touch screen, the camera, and the WiFi bluetooth, respectively. The RFID radio frequency identification technology is adopted to manage tools brought out by operation, whether the tools are left in the operation field or not is timely found, and driving safety is guaranteed.

In this embodiment, the 4G EMMC, the camera, and the WiFi/bluetooth interface are connected.

In this embodiment, the data transmission communication module GPRS, the operation memory module DDR3, and the positioning module GPS are connected to each other.

In this embodiment, the display module LCD is connected to the touch screen.

In this embodiment, the rechargeable battery pack is used to supply power to the a/D sampling module, and the voltage generating circuit converts the voltage of the rechargeable battery pack into a stable voltage to supply power to the sampling module.

In this embodiment, the memory EEPROM is responsible for storing the sampled data.

In this embodiment, the communication interface is responsible for data communication with the system module control structure.

In this embodiment, the circuit of the voltage and current measuring module includes the following:

In this embodiment, the peripheral circuit of the chip STM32F407VG includes the following:

The multifunctional mobile phone has the advantages that the multifunctional mobile phone can support the related functions of the traditional mobile phone, can measure signals such as voltage and current, and also has the RFID tag identification function, the terminal can receive the operation tasks of the system, the related tasks are opened through the terminal during field operation, when the measurement data such as voltage and current are required to be collected, the handheld terminal can automatically select the related measurement gears, the measured data are automatically stored in the handheld terminal and are transmitted back to the server, the authenticity of the data is guaranteed, the work of inputting the data after people return is reduced, the working efficiency is improved, the tools cannot be effectively managed on site, the RFID tag identification function is added to the multifunctional terminal, the electronic management of the tools can be realized by scanning tags on the tools, and the tools are prevented from being omitted on the operation site

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multifunctional hand-held terminal for railway signal equipment maintenance is characterized by comprising a system module control structure and a voltage and current measuring module;

2. The multifunctional handheld terminal for overhauling and maintaining railway signal equipment as claimed in claim 1, wherein the system module control structure comprises a core processor, a radio frequency module (RFID), a data transmission communication module (GPRS), an operation storage module (DDR 3), a positioning module (GPS), a display module (LCD), a data storage module (EMMC), a touch screen, a camera, wiFi/Bluetooth and 4G EMMC, wherein the core processor is respectively connected with the radio frequency module (RFID), the data transmission communication module (GPRS), the operation storage module (DDR 3), the positioning module (GPS), the display module (LCD), the data storage module (EMMC), the touch screen, the camera and the WiFi/Bluetooth.

3. The multifunctional handheld terminal for overhauling and maintaining railway signal equipment as set forth in claim 2, wherein the 4G EMMC, the camera and the WiFi/Bluetooth are connected.

4. The multifunctional handheld terminal for overhauling and maintaining railway signal equipment as claimed in claim 2, wherein the data transmission communication module GPRS, the operation storage module DDR3 and the positioning module GPS are connected with each other.

5. The multifunctional handheld terminal for overhauling and maintaining railway signal equipment as set forth in claim 2, is characterized in that the display module LCD is connected with the touch screen.

6. The multifunctional handheld terminal for overhauling and maintaining railway signal equipment according to claim 1, wherein the rechargeable battery pack is used for supplying power to the A/D sampling module, and the voltage generating circuit is used for converting the voltage of the rechargeable battery pack into a stable voltage to supply power to the sampling module.

7. The multifunctional hand-held terminal for overhaul and maintenance of railway signal equipment as claimed in claim 1, wherein the memory EEPROM is responsible for storage of sampled data.

8. The multifunctional hand-held terminal for overhauling and maintaining railway signal equipment according to claim 1, is characterized in that the circuit of the voltage and current measuring module comprises the following components:

the 1 st pin, the 2 nd pin, the 3 rd pin, the 4 th pin and the 5 th pin of the chip STM32F407VG are respectively connected with a self-resetting fuse P28, a self-resetting fuse P29, a self-resetting fuse P30, a self-resetting fuse P31 and a self-resetting fuse P32, the 6 th pin of the chip STM32F407VG is respectively connected with the 11 th pin and the 10 th pin and then connected with two ends of a capacitor C105, the 12 th pin of the chip STM32F407VG is respectively connected with one end of a resistor R77, one end of a quartz crystal oscillator Y2 and one end of the capacitor C44, the resistor R77 and the quartz crystal oscillator Y2 are connected in parallel, the other end of the resistor R77 and the other end of the quartz crystal oscillator Y2 are respectively connected with the 13 th pin of the chip STM32F407VG, two ends of the resistor R77 are respectively connected with one end of the C43 and one end of the C44, the other end of the C43 and the other end of the C44 are respectively connected with the ground and the C105, the 14 th pin of the switch VG is connected with the first pin 1, the switch K1 and the pin 19 of the chip STM32F407, the 18 th pin of the chip STM32F407VG is connected to a self-reset fuse P36, switches K1, C79, C35 and C26 in parallel, a resistor R106 is connected between the C35 and the C26, two ends of the C26 are respectively grounded and connected to the 22 th pin and the 21 st pin of the chip STM32F407VG, the 23 rd pin of the chip STM32F407VG is connected to P38, the 95 th to 98 th pins of the chip STM32F407VG are respectively connected to P24, P25, P26 and P27, the 94 th pin of the chip STM32F407VG is respectively connected to one end of R108 and the 1 st to 3 rd pins of BOOT, the 4 th to 7 th pins of BOOT are respectively connected to one end of R108 and ground, the 83 th to 93 th pins of the chip STM32F VG 407 are respectively connected to P13, P14, P15, P16, P17, P18, P19, P20, P21, P22 and P23, the 81 th pin of the chip STM32F407 is connected to P11, the chip connector is connected to a chip connector G76, a chip connector G32F 407, a chip connector is connected to one end of the STM32F407, a chip connector G connector is connected to a chip connector G connector P11, a chip connector G connector is connected to a chip connector P9, a chip connector P48, the other end of R37 is connected with Q5, the two ends of Q5 are respectively connected with a switch SKP1 of the loudspeaker, and one end of the switch SKP1 is connected with R103.

9. The multifunctional hand-held terminal for the overhaul and maintenance of railway signal equipment according to claim 8, wherein the circuit of the periphery of the chip STM32F407VG comprises the following steps: