CN208833523U - A kind of train pipe wind pressure detection device based on wireless remote transmission technology - Google Patents
A kind of train pipe wind pressure detection device based on wireless remote transmission technology Download PDFInfo
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- CN208833523U CN208833523U CN201821699705.7U CN201821699705U CN208833523U CN 208833523 U CN208833523 U CN 208833523U CN 201821699705 U CN201821699705 U CN 201821699705U CN 208833523 U CN208833523 U CN 208833523U
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Abstract
It include the information acquisition unit of the pressure information for providing working power power supply module to other modules units of detection device, for acquiring train current environment temperature and humidity information and train line, for realizing wireless transmission unit, high speed processor, man-machine interaction unit and the data memory module of host computer and high speed processor radio remote distance information transmission the utility model discloses a kind of train pipe wind pressure detection device based on wireless remote transmission technology；The utility model is highly integrated in structure, high-efficient using modularized design, response is fast, easy to carry, realizes and obtains effective train pipe wind pressure value and carry out the control of radio remote Distance Transmission to information, it adapts to work under outdoor adverse circumstances for a long time, it is practical.
Description
Technical field
The utility model relates to tail wind pressure data acquisition technology field when rail yard train air testing, especially a kind of bases
In the train pipe wind pressure detection device of wireless remote transmission technology.
Background technique
Currently, in the large-scale train arrival and leaving field of railway, column inspection institute, rolling stock section is according to related in " railway technology management specification "
Specification to needing to carry out examination wind test before train departure.What yard examination wind was generally taken is microcomputer automatic control examination wind devices, but
In practice, microcomputer automatic control try wind devices there are still in experimentation can not automatically to train tail wind pressure data into
Row is accurately monitored, records and is utilized in real time, is easy to happen and is artificially let off unqualified train, is also the analysis of subsequent failure train
Bring difficulty.
Summary of the invention
The purpose of this utility model seeks to solve the above problem that existing train wind test occurs, and provides one thus
Kind is low in cost, realizes easy, structural module, and usage range is wide, the column based on wireless remote transmission technology of efficient stable
Vehicle pipe wind pressure detection device.
The concrete scheme of the utility model is: a kind of train pipe wind pressure detection device based on wireless remote transmission technology, including
There is following module unit:
Power supply module, for providing working power to other modules units of detection device；
Information acquisition unit, including for monitoring train internal environment temperature and humidity information Temperature Humidity Sensor, for supervising
Survey wind pressure sensor, A/D conversion module, the ON-OFF control circuit A of train pipe wind pressure information；Temperature Humidity Sensor will acquire in real time
To temperature and humidity information be transmitted to high speed processor；Collected wind pressure information passes through A/D conversion module to wind pressure sensor in real time
A/D conversion after be transmitted to high speed processor, high speed processor output order to ON-OFF control circuit A, to control A/D modulus of conversion
The energization of block is run；
Wireless transmission unit, including ON-OFF control circuit B and wireless voice intercommunication and digital transmission module, ON-OFF control circuit B
It is run in real time according to the energization of the instruction control wireless voice intercommunication of high speed processor output and digital transmission module, wireless voice intercommunication
And digital transmission module is for realizing with radio remote range range mode communication connection host computer, high speed processor control wireless voice intercommunication and
Digital transmission module realizes the transmitting-receiving work to information；
High speed processor, according to the wind pressure value of Temperature Humidity Sensor following for different temperature and humidity environment vehicle administration office calibration,
Train pipe is conversed based on the wind pressure value under current temperature and humidity environment in real time；
Man-machine interaction unit, by for input or the keyboard input module of modification parameter and for showing it is collected
The digital display module of data and running parameter composition, keyboard input module and digital display module are communicated to connect respectively at high speed
Manage device；
Data memory module, for communicating to connect high speed processor and realizing that the localization of data and running parameter stores.
Power supply module described in the utility model is made of linear-charging chip, lithium battery and linear voltage regulator, line
Property charging chip for controlling external power supply provide charging voltage to lithium battery, lithium battery is by linear voltage regulator to detection
The modules unit of device provides stable operating voltage.
Temperature Humidity Sensor described in the utility model uses the digital hygro sensor of model SHT20, and uses
IIC agreement and high speed processor communicate；The wind pressure sensor uses four-wire system pressure sensor, and communication connection A/D is converted
The analog input port of module；The A/D conversion module using 24 no missing codes, 19 effective accuracies model CS1180
Modulus conversion chip, A/D conversion module communicated using spi bus agreement and high speed processor；The ON-OFF control circuit A is adopted
With PMOS tube, the grid of the port the I/O connection PMOS tube of high speed processor, the source electrode of PMOS tube connects power supply module, PMOS tube
Drain electrode as voltage output end, high speed processor realizes that control A/D turns by the control of conducting to PMOS tube and cut-off
Change the mold the energization operation of block.
ON-OFF control circuit B and wireless voice intercommunication and digital transmission module in wireless transmission unit described in the utility model
Between be equipped with booster circuit；The booster circuit uses the booster converter chip of model SX1308, is used for 3.3V voltage
4.7V voltage is risen to, to provide working power for wireless voice intercommunication and digital transmission module.
ON-OFF control circuit B described in the utility model is made of a PMOS tube and a NMOS tube, high speed processor
The port I/O connection NMOS tube grid, the source electrode ground connection of NMOS tube, the drain electrode of NMOS tube connects the grid of PMOS tube, NMOS tube
Source electrode connect power supply module, the drain electrode of NMOS tube is as voltage output end.
The model SR-FRS-2WU that wireless voice intercommunication described in the utility model and digital transmission module use, and pass through
RS232 string line communication connection high speed processor.
Keyboard input module described in the utility model is set there are four independent key, four independent keys respectively " adding ",
" subtracting ", " confirmation " and " power supply " key, keyboard input module be equipped with four signal wires corresponding with its four independent keys, four
Signal wire is correspondingly connected with the interrupting input end mouth of high speed processor；The digital display module uses four segment numeral pipes, four number of segment
Each lead-out wire of code pipe is correspondingly connected with the output port of high speed processor.
High speed processor described in the utility model uses high-performance 32-bit ARM architecture processor, carries RTOS and grasps in real time
Make system, data processing and control are carried out to modules using multithread mode；The data memory module uses W25Q16
Flash Rom chip, memory capacity are 2M byte, and data memory module is carried out using standard SPI interface and high speed processor
Communication.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) the utility model designs modularization, carries embedded real-time operating system, has multiple threads task energy
Power, high-efficient, response is fast, and realizes the radio remote distance transmitting-receiving control to information；
(2) the utility model automatically can carry out the wind pressure value of real-time collected train pipe according to temperature and humidity environmental change
Corresponding compensation, to obtain effective train pipe wind pressure value, meets equipment work requirements in harsh environments；
(3) highly integrated in the utility model structure, and have the recyclable rechargeable battery power supply of large capacity, green energy conservation,
It is able to satisfy and carries the requirement that works long hours；
(4) wireless communication distance is remote, and the number carried in wireless transport module passes its transmission power of chip and is up to 2W, open
Ground communication distance is up to 9 kilometers；
(5) it supports data forward, deposits local function, the Flash chip of up to 2M capacity is equipped in data memory module,
It supports there is it locally in the case where breaking in wireless communications, resumes automatically after recovery to be communicated is normal and does not upload data,
Avoid data causes to lose because of unknown communication failure.
Detailed description of the invention
Fig. 1 is the control structure block diagram of the utility model；
Fig. 2 is the electrical schematic diagram of power supply module in the utility model；
Fig. 3 is the electrical schematic diagram of information acquisition unit in the utility model；
Fig. 4 is the electrical schematic diagram of Temperature Humidity Sensor in the utility model；
Fig. 5 is the electrical schematic diagram of wireless transmission unit in the utility model；
Fig. 6 is the electrical schematic diagram of keyboard input module in the utility model；
Fig. 7 is the electrical schematic diagram of digital display module in the utility model；
Fig. 8 is the electrical schematic diagram of data memory module in the utility model.
In figure: 1-power supply module, 2-Temperature Humidity Sensors, 3-wind pressure sensors, 4-A/D conversion modules, 5-switches
Control circuit A, 6-high speed processors, 7-ON-OFF control circuit B, 8-booster circuits, 9-wireless voice intercommunications and number pass mould
Block, 10-host computers, 11-keyboard input modules, 12-digital display modules, 13-data memory modules.
Specific embodiment
Referring to Fig. 1, a kind of train pipe wind pressure detection device based on wireless remote transmission technology, includes following module unit:
Power supply module 1, for providing working power to other modules units of detection device；
Information acquisition unit, including for monitoring train internal environment temperature and humidity information Temperature Humidity Sensor 2, for supervising
Survey wind pressure sensor 3, A/D conversion module 4, the ON-OFF control circuit A5 of train pipe wind pressure information；Temperature Humidity Sensor 2 will be real-time
Collected temperature and humidity information is transmitted to high speed processor 6；Collected wind pressure information turns wind pressure sensor 3 by A/D in real time
High speed processor 6,6 output order of high speed processor to ON-OFF control circuit A5, with control are transmitted to after the A/D conversion of mold changing block 4
The energization of A/D conversion module 4 processed is run；
Wireless transmission unit, including ON-OFF control circuit B7 and wireless voice intercommunication and digital transmission module 9, ON-OFF control circuit
The energization of instruction control wireless voice intercommunication and digital transmission module 9 that B7 is exported according to high speed processor 6 in real time is run；High speed processing
Device 6 is according to built-in operating parameter control wireless voice intercommunication and digital transmission module 9 to host computer in a manner of radio remote Distance Transmission
10 transmission train pipe wind pressure values and corresponding running parameter, wireless voice intercommunication and 9 real-time response host computer 10 of digital transmission module are right
The modification order of running parameter built in high speed processor 6；
High speed processor 6, according to the wind pressure of the vehicle administration office's calibration following for different temperature and humidity environment of Temperature Humidity Sensor 2
Value, converses train pipe based on the wind pressure value under current temperature and humidity environment in real time；
Man-machine interaction unit, by for input or the keyboard input module 11 of modification parameter and for show collect
Data and the digital display module 12 of running parameter form, keyboard input module 11 and digital display module 12 distinguish communication link
Connect high speed processor 6；
Data memory module 13, for communicating to connect high speed processor 6 and realizing that the localization of data and running parameter is deposited
Storage.
Referring to fig. 2, power supply module 1 described in the present embodiment is by linear-charging chip, lithium battery and linear voltage regulator
Composition, linear-charging chip model are TP4058, linear voltage regulator model TLV70233；Linear-charging chip is for controlling
External power supply processed provides charging voltage to lithium battery, and wherein the port BAT of linear-charging chip connects lithium battery, and lithium battery passes through
Linear voltage regulator provides stable 3.3V operating voltage to the modules unit of detection device.
Referring to fig. 4, Temperature Humidity Sensor 2 described in the present embodiment uses the digital hygro sensor of model SHT20,
And it is communicated using IIC agreement and high speed processor 6；Referring to Fig. 3, the wind pressure sensor 3 uses four-wire system pressure sensor, and
The analog input port of communication connection A/D conversion module 4；The A/D conversion module 4 using 24 no missing codes, 19 effectively
The modulus conversion chip of the model CS1180 of precision, A/D conversion module 4 are logical using spi bus agreement and high speed processor 6
News；The ON-OFF control circuit A5 uses PMOS tube Q4, the grid of the port the I/O connection PMOS tube Q4 of high speed processor 6, PMOS
One level terminal VDD33 of the source electrode connection power supply module 1 of pipe Q4, the drain electrode of PMOS tube Q4 are used as voltage output end, at a high speed at
Reason device 6 realizes that the energization of control A/D conversion module 4 is run by the control of conducting and cut-off to PMOS tube Q4.
Referring to Fig. 5, ON-OFF control circuit B7 in wireless transmission unit described in the present embodiment and wireless voice intercommunication and
Booster circuit 8 is housed between digital transmission module 9；The booster circuit 8 is used for using the booster converter chip of model SX1308
3.3V voltage is risen into 4.7V voltage, to provide working power for wireless voice intercommunication and digital transmission module 9.
Referring to Fig. 5, ON-OFF control circuit 7 described in the present embodiment is made of a PMOS tube Q1 and a NMOS tube Q2,
The grid of the port the I/O connection NMOS tube Q2 of high speed processor 6, the source electrode ground connection of NMOS tube Q2, the drain electrode of NMOS tube Q2 connect
The grid of PMOS tube Q1, the source electrode of NMOS tube Q1 connect the voltage output port VBAT on power supply module 1, the drain electrode of NMOS tube Q1
The input terminal of booster converter chip is connected as voltage output end；High speed processor 6 is defeated by the grid to NMOS tube Q2
Enter a level signal, to control the conducting and cut-off of NMOS tube Q2, when NMOS tube Q2 conducting, PMOS tube Q1 grid level is drawn
It is low, so that PMOS tube Q1 drain electrode and source conduction, anode voltage be made to flow to booster circuit 8.
Referring to Fig. 5, the model SR-FRS-2WU that wireless voice intercommunication described in the present embodiment and digital transmission module 9 use,
Its transmission power is up to 2W, and open ground communication distance passes through RS232 string line communication connection high speed processor up to 9 kilometers
6。
Referring to Fig. 6, keyboard input module 11 described in the present embodiment is set there are four independent key, and four independent keys are distinguished
For " adding ", " subtracting ", " confirmation " and " power supply " key, keyboard input module 11 is equipped with four corresponding with its four independent keys letters
Number line, four signal wires are correspondingly connected with the interrupting input end mouth of high speed processor 6；Referring to Fig. 7, the digital display module 12 is adopted
The output port of high speed processor 6 is correspondingly connected with each lead-out wire of four segment numeral pipes, four segment numeral pipes.
High speed processor 6 described in the present embodiment uses high-performance 32-bit ARM architecture processor, carries RTOS real-time operation
System carries out data processing and control to modules using multithread mode；Referring to Fig. 8, the data memory module 13 is adopted
With W25Q16 Flash Rom chip, memory capacity is 2M byte, and data memory module 13 is using standard SPI interface and high speed
Processor 6 is communicated.
Claims (8)
1. a kind of train pipe wind pressure detection device based on wireless remote transmission technology, it is characterized in that: including following module unit:
Power supply module, for providing working power to other modules units of detection device；
Information acquisition unit, including for monitoring train internal environment temperature and humidity information Temperature Humidity Sensor, for monitor column
Wind pressure sensor, A/D conversion module, the ON-OFF control circuit A of vehicle manage-style pressure information；Temperature Humidity Sensor will be collected in real time
Temperature and humidity information is transmitted to high speed processor；Wind pressure sensor in real time collected wind pressure information pass through A/D conversion module A/D
High speed processor, high speed processor output order to ON-OFF control circuit A, to control A/D conversion module are transmitted to after conversion
Be powered operation；
Wireless transmission unit, including ON-OFF control circuit B and wireless voice intercommunication and digital transmission module, ON-OFF control circuit B are real-time
According to the energization operation of the instruction control wireless voice intercommunication of high speed processor output and digital transmission module, wireless voice intercommunication and number
Transmission module is for realizing with radio remote range range mode communication connection host computer, and high speed processor controls wireless voice intercommunication and number passes
Module realizes the transmitting-receiving work to information；
High speed processor, according to the wind pressure value of Temperature Humidity Sensor vehicle administration office's calibration following for different temperature and humidity environment, in real time
Train pipe is conversed based on the wind pressure value under current temperature and humidity environment；
Man-machine interaction unit, by for inputting or the keyboard input module of modification parameter and for showing collected data
It is formed with the digital display module of running parameter, keyboard input module and digital display module communicate to connect high speed processing respectively
Device；
Data memory module, for communicating to connect high speed processor and realizing that the localization of data and running parameter stores.
2. a kind of train pipe wind pressure detection device based on wireless remote transmission technology according to claim 1, it is characterized in that: institute
It states power supply module to be made of linear-charging chip, lithium battery and linear voltage regulator, linear-charging chip is for controlling outside
Power supply provides charging voltage to lithium battery, and lithium battery is provided by linear voltage regulator to the modules unit of detection device
Stable operating voltage.
3. a kind of train pipe wind pressure detection device based on wireless remote transmission technology according to claim 1, it is characterized in that: institute
The digital hygro sensor that Temperature Humidity Sensor uses model SHT20 is stated, and logical using IIC agreement and high speed processor
News；The wind pressure sensor uses four-wire system pressure sensor, and the analog input port of communication connection A/D conversion module；
Using the modulus conversion chip of the model CS1180 of 24 no missing codes, 19 effective accuracies, A/D turns the A/D conversion module
Block is changed the mold to communicate using spi bus agreement and high speed processor；The ON-OFF control circuit A uses PMOS tube, high speed processor
The port I/O connection PMOS tube grid, the source electrode of PMOS tube connects power supply module, and the drain electrode of PMOS tube is as voltage output
End, high speed processor realize that the energization of control A/D conversion module is run by the control of conducting and cut-off to PMOS tube.
4. a kind of train pipe wind pressure detection device based on wireless remote transmission technology according to claim 1, it is characterized in that: institute
State the ON-OFF control circuit B in wireless transmission unit and between wireless voice intercommunication and digital transmission module equipped with booster circuit；It is described
Booster circuit uses the booster converter chip of model SX1308, for 3.3V voltage to be risen to 4.7V voltage, to be wireless
Speech talkback and digital transmission module provide working power.
5. a kind of train pipe wind pressure detection device based on wireless remote transmission technology according to claim 1 or 4, feature
Be: the ON-OFF control circuit B is made of a PMOS tube and a NMOS tube, and the port I/O of high speed processor connects NMOS
The grid of pipe, the source electrode ground connection of NMOS tube, the drain electrode of NMOS tube connect the grid of PMOS tube, the source electrode connection power supply mould of NMOS tube
Block, the drain electrode of NMOS tube is as voltage output end.
6. a kind of train pipe wind pressure detection device based on wireless remote transmission technology according to claim 1 or 4, feature
It is: the model SR-FRS-2WU that the wireless voice intercommunication and digital transmission module use, and pass through RS232 string line communication connection
High speed processor.
7. a kind of train pipe wind pressure detection device based on wireless remote transmission technology according to claim 1, it is characterized in that: institute
Keyboard input module is stated to set there are four independent key, four independent keys respectively " adding ", " subtracting ", " confirmation " and " power supply " key,
Keyboard input module is equipped with four signal wires corresponding with its four independent keys, and four signal wires are correspondingly connected with high speed processing
The interrupting input end mouth of device；The digital display module uses four segment numeral pipes, and each lead-out wire of four segment numeral pipes is corresponding to be connected
Connect the output port of high speed processor.
8. a kind of train pipe wind pressure detection device based on wireless remote transmission technology according to claim 1, it is characterized in that: institute
High speed processor is stated using high-performance 32-bit ARM architecture processor, RTOS real time operating system is carried, using multithread mode pair
Modules carry out data processing and control；The data memory module uses W25Q16 Flash Rom chip, and storage is held
Amount is 2M byte, and data memory module is communicated using standard SPI interface with high speed processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821699705.7U CN208833523U (en) | 2018-10-19 | 2018-10-19 | A kind of train pipe wind pressure detection device based on wireless remote transmission technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821699705.7U CN208833523U (en) | 2018-10-19 | 2018-10-19 | A kind of train pipe wind pressure detection device based on wireless remote transmission technology |
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| Publication Number | Publication Date |
|---|---|
| CN208833523U true CN208833523U (en) | 2019-05-07 |
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ID=66319373
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821699705.7U Active CN208833523U (en) | 2018-10-19 | 2018-10-19 | A kind of train pipe wind pressure detection device based on wireless remote transmission technology |
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| Country | Link |
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| CN (1) | CN208833523U (en) |
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2018
- 2018-10-19 CN CN201821699705.7U patent/CN208833523U/en active Active
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