CN205478472U - Mine fan vibration signal acquisition and teletransmission device based on it is embedded - Google Patents
Mine fan vibration signal acquisition and teletransmission device based on it is embedded Download PDFInfo
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- CN205478472U CN205478472U CN201520895433.8U CN201520895433U CN205478472U CN 205478472 U CN205478472 U CN 205478472U CN 201520895433 U CN201520895433 U CN 201520895433U CN 205478472 U CN205478472 U CN 205478472U
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Abstract
The utility model discloses a mine fan vibration signal acquisition and teletransmission device based on it is embedded. The device includes sensor, microprocessor controller, SD card, alarm indicator, liquid crystal display, wireless router, 4G network card, network expansion board, portable power source, casing and open internet of things platform. Be each the equipment power supply in the casing through portable power source. Send and microprocessor analysis processes after the collection of fan vibration signal confucian classics and commentaries sensilla to send into the SD card respectively, LCD, on -the -spot PC and internet of things platform. The device has the portability, can settle in the fan on -the -spotly in a flexible way, and make full use of microprocessor controller's data -handling capacity does preliminary judgement to the fan state, both can refer to for the site work personnel provide failure diagnosis, simultaneously again can transmitting data to open network platform, and supply the expert to do the in depth analysis with relevant professional skill personnel to fan state and trouble, solved and can only inquire on single server and the problem of analysis data.
Description
Technical field
The present invention relates to a kind of based on Embedded mine fan vibration signals collecting and remote transmitting device, specifically one
Plant and mainly obtain vibration signal the transmission collection that extremely open platform of internet of things is analyzed for download in mine fan operating
And remote transmitting device.
Background technology
Mine fan is for delivered downhole fresh air, and toxic and harmful and dust is taken away from down-hole, protects
Card underground work is smoothed out and the personal safety of staff.Coal Mine Ventilator is as machinery vital in ventilating system
Equipment, the most whether its duty drastically influence mine ventilation quality.According to statistics, the coal mining accident of more than 70% be due to
Break down and cause improper ventilation, ventilating management to be not good at etc. what reason caused in ventilation installation, and the generation of coal mining accident not only can
Bringing economic loss to enterprise, time serious, the life security of more entail dangers to staff, produces severe social influence.China's event
Barrier diagnostic techniques quickly grew in recent years, and from the experience relying on workman started, with soon, hands is touched, ear listens the fortune of supervision equipment
Row state, to relying on instrumentation and relevant software and hardware analytical equipment, then on-line monitoring and fault diagnosis technology till now.But by
Remote in major part mining machinery local environment complexity, the sensor causing blower fan on-the-spot is difficult to the most effective layout and transmission
Signal, and urban district is generally deviateed in mine, is generally not capable of ensureing the internet signal that scene has reliable communication so that Zhuan Jiayu
Person skilled can not obtain the sensor signal detected immediately, thus be difficult to the running status of blower fan is made accurately and
Time judgement, it is difficult to make Trouble Diagnosis System of Fan play real effect.
Summary of the invention
Present invention aim at being acquired the fan vibration sensor signal of Site Detection by microprocessor and
Pretreatment is bigger to simplify the capture card needed for the on-the-spot sensor wiring of blower fan works and gathers and industrial control computer etc.
Type equipment；By 3G wireless network, sensor signal is distributed to Internet of Things, solve can only at the scene on computer inquiry and
The problem of analytical data, provides sensing data the most reliably for expert and professional and technical personnel, in order to it is accurately and timely
Fan operation state is judged.
For achieving the above object, the technical solution used in the present invention is:
A kind of based on Embedded mine fan vibration signals collecting and remote transmitting device, including sensor, micro-process
Controller, signal gathering unit, wireless router, wireless network card, network expansion board, SD card, SD clamping oralia, liquid crystal display
Screen, portable power source, casing and open platform of internet of things.Wherein said sensor is responsible for passing the vibration signal of ore deposit machine blower fan
Transport to signal gathering unit.Described signal gathering unit accepts sensor signal, completes signals collecting and pretreatment, and at Wei Chu
The caching of data, analyzing and processing, the state that complete under the control of reason device show, report to the police, remote data transmission and locally stored.
Described sensor is vibrating speed sensors and key signal sensor, wherein: vibrating sensor obtains blower fan and shakes
Dynamic analog data, selects blower motor outfan, fan rotor front-end and back-end as vibration monitoring point, and every is respectively provided with horizontal stroke
To with Longitudinal Surveillance point；Key signal sensor uses Hall-type proximity switch, and key phase is placed in motor output shaft portion
Position, to obtain the key signal that blower fan rotates, triggering collection program.
Described microprocessor controller controls vibrating speed sensors according to programmed instruction and gathers fan vibration signal.Described letter
First number processing unit carries out pretreatment and data is temporarily stored into processor flash memory sensor acquisition data.Then after processing
Data add in flag bit is stored in SD memory card complete locally-stored.Utilize the data-handling capacity of microprocessor controller, calculate
Analyze the time domain index of fan vibration signal and report to the police, according to field apparatus and demand after vibration severity index exceedes preset value
Sensing data is completed locally-stored by USB interface transmission to PC and analyzes by situation.Finally data after process are passed through
HTTP request mode is transmitted to open Internet of Things data platform, completes data network transmission.
Described portable power source is the biography outside the microprocessor controller in casing, wireless router, network expansion board and casing
Sensor is powered.Wherein portable power source is made up of two parts, a part power for router, another part be microprocessor controller,
Sensor power outside network expansion board and casing.
Described casing is provided with two power slots, a SD memory card slot, a power adaptor interface, one and PC
The USB communication interface that machine connects, a wireless router charge port, the information collecting interface being connected with each sensor and extension
Interface, each sensor is arranged at outside casing.
Connected by wired mode between described wireless router and network expansion board, make the stability that data are transmitted more
By force.Signal gathering unit by acquisition interface with casing outside sensor be connected, wireless router built-in 4G SIM card slot, for
Router provides Internet network to connect.
The platform of internet of things of described opening, can show at the real-time curve of Internet page enterprising line sensor data and deposit
Storage and the inquiry of historical data and analysis, it is achieved the communication for information of thing and thing, without human intervention in transmitting procedure.Described biography
Sensor data include vibration signal, acquisition time, the ID of equipment and the sensor ID gathered, and described utilizes the Internet display eventually
End, the technology used is to represent the resource location obtained from the Internet and method for expressing with URL, location
Agreement in symbol uses HTML (Hypertext Markup Language) resource.Described data transfer mode is acquisition time and sensing data employing
POST method in 6 kinds of requesting methods that standard HTTP is supported, i.e. submits to the method for data to complete to submit behaviour to server
Making, device id and sensor ID use the PUT method that standard HTTP is supported, by specifying the deposit position of resource to service
Data submitted to by device.By serial communication, data are shown on local PC, are stored in data base and by calling data base
Historical data is shown and analyzes by data.By SD clamping oralia, the sensing data collected is stored in the file of SD
In, SD card can be regularly replaced and analyze further to fetch sensing data.User or expert can pass through any one connection
The computer of Internet is checked or the sensor real time data that obtains on platform of internet of things and historical data.
Accompanying drawing explanation
Fig. 1 is the hardware structure diagram of the present invention.
Fig. 2 is microprocessor controller and network expansion board, the catenation principle figure of vibrating sensor of the present invention.
Fig. 3 is sensor of the invention signal bleeder circuit schematic diagram.
Fig. 4 is microprocessor controller and SD clamping oralia, the catenation principle figure of alarm lamp of the present invention.
Fig. 5 is the microprocessor controller catenation principle figure with liquid crystal display of the present invention.
Fig. 6 is the program flow diagram of the present invention.
Fig. 7 is the profile front view of the present invention.
Fig. 8 is the profile left view of the present invention.
Fig. 9 is the profile top view of the present invention.
Detailed description of the invention
For making the above-mentioned purpose of the present invention, feature more understandable, below by detailed description of the invention and accompanying drawing, the present invention is done
Describe in detail.
Fig. 1 is that the present invention is a kind of based on Embedded mine fan vibration signals collecting and remote transmitting device, including micro-
Processing controller, vibrating sensor, key signal sensor, SD card and SD clamping oralia, alarm lamp, LCDs,
Network expansion board, wireless router, wireless network card and portable power source.Wherein:
Microprocessor controller uses ATmega328 microprocessor, and the programmable watchdog with individual sheets internal oscillator is fixed
Time device, 14 digital I/O ports, 6 analog input end mouths, 32KB Flash internal memory i.e. can be used to program and also can be used as storage easily
The property lost data.During work, microprocessor controller can be powered by USB data line, 9V aneroid battery or special power supply adaptor.
Microprocessor controller can be that each sensor is provided 3.3V or 5V DC source and can be realized and PC string by USB data line
Mouth communication.
Wherein vibrating sensor includes 6, is respectively placed in blower motor outfan, fan rotor front-end and back-end, uses
In the Vibration Condition of monitoring blower fan, to judge fan operation state.
Key signal sensor uses Hall-type proximity switch, is positioned over motor shaft output, indirectly to obtain blower fan
Axle key phase signals, gathers for control signal capture program complete cycle.
SD card and interface board thereof are for real-time storage sensors signal.SD safe digital card, is a kind of fast based on quasiconductor
Dodge the memory device of memory apparatus, and be widely used in portable device, there is the spy such as Large Copacity, volume little, high-performance, safety
Point, it is ensured that sensor signal data intactly preserves, and it is easy to expert or person skilled fetches analysis.
LCDs is used for showing fan vibration state, and the vibration signal after collection processes through microprocessor controller data
After unit computational analysis, calculate the such as earthquake intensity, nargin of its time domain index, flexure, kurtosis etc., be shown in LCDs,
Fan operation state is monitored for Field Force.
Alarm lamp includes blower fan alarm lamp and SD card alarm lamp.Wherein, default danger is exceeded in fan vibration earthquake intensity value
After the value of danger, light blower fan alarm lamp, to remind the timely handling failure of staff；The storage shape of SD card alarm lamp monitoring SD card
State, when storage area is filled in SD card, lights this display lamp, reminds staff to change SD card in time, to ensure that blower fan shakes
Dynamic data completely preserve.
Wireless router, wireless network card, network expansion board are applied in combination, and are used for realizing network service.Employing wireless network interface card
With wireless router setting up wireless networks, solve the problems such as mine fan difficult wiring, network be undeveloped.Simultaneously, it is contemplated that
Transmission speed and transmission stability problem, select network expansion board as connection from the bridge between establishing network and Internet,
By the way of wired connection, network expansion board is connected with router, finally sensor acquisition information package is sent to open
Platform of internet of things, it is achieved the Web Publishing of data.
Power supply is made up of two parts.Wherein, a part is the portable power source powered for router of repeatable discharge and recharge, separately
A part is the 9V aneroid battery powered for sensor, microprocessor controller and network expansion board.
Fig. 2 Fig. 5 is the schematic diagram of the present invention, including microprocessor controller, network expansion board, SD clamping oralia, liquid crystal
Display, vibrating sensor, key signal sensor and alarm lamp.Wherein:
Fig. 2 is microprocessor controller and network expansion board, the catenation principle figure of vibrating sensor.According to pins corresponding relation
Network expansion board being inserted on microprocessor controller, the power Vcc pin of each sensor is connected with network expansion board 5V pin,
GND pin is connected with the GND pin of network expansion board, and vibrating sensor 1～6 inputs with the simulation of microprocessor controller respectively and draws
Foot A0～A5 is connected.Owing to the simulation input pin of microprocessor controller can only identify 0～5V voltage, so at vibrating sensor
Add bleeder circuit U1 between signal output part and microprocessor controller simulation input pin, vibration signal sensor is exported
Positive and negative alternate voltages is converted to simulate the voltage range that input pin is capable of identify that.
Fig. 3 is the U1 in Fig. 2, and its input INP is connected with sensor signal outfan, and outfan OUT processes control with micro-
Device processed simulation input pin is connected, its input/output relation such as following formula:
The input signal of-5～+5V can be converted to the output signal between 1.76～2.75V, simulation can be made to export
Pin receives complete sensor signal.
Fig. 4 is microprocessor controller and SD clamping oralia, the catenation principle figure of alarm lamp.Wherein SD clamping oralia,
Alarm lamp is connected with microprocessor controller by pin on network interface board.SD card and microprocessor controller use SPI association
View carries out data transmission, its CS pin, DI pin, DO pin, CLK pin, GND pin, Acc pin respectively with network expansion board
On D10 (SS) pin, D11 (MOSI) pin, D12 (MISO) pin, D13 (SCK) pin, GND pin ,+3.3V pin phase
Even.SD card alarm lamp is connected with D7 pin, and blower fan alarm lamp is connected with D6 pin.Key signal sensor is connected with D8 pin.
Fig. 5 is the catenation principle figure of microprocessor controller and liquid crystal display.Between LCD display and microprocessor controller
Use SPI host-host protocol, with the transmission that SD card is all microprocessor controller from equipment, select communication equipment by chip selection signal.
D4～the D7 pin of LCD is connected to transmit data with D5～the D2 pin of microprocessor controller.Meanwhile, a current potential has been accessed
Device, exports an adjustable voltage to the V0 of LCD display, for controlling displaying contrast of screen.
Fig. 6 is the program flow diagram of the present invention.First run initial program, be successfully established network and connect and the connection of SD card
After, check SD card free memory, if SD card is the fullest, then lights SD card alarm lamp and stop gathering.If SD card is in good condition,
Then control sensor acquisition signal, and calculate fan vibration temporal signatures according to sensor signal, if temporal signatures is beyond warning
Value then lights blower fan alarm lamp to remind Field Force.On the other hand send data to Internet network platform and store data
To SD card, meanwhile, if device connects PC serial ports, then send to PC to store by data syn-chronization and analyze.Internet aspect, logical
Cross HTTP request mode and transmit data to open platform of internet of things.Acquisition time and sensing data use standard HTTP association
View support 6 kinds of requesting methods in POST method, i.e. to server submit to data method complete submit to operation, device id and
Sensor ID uses the PUT method that standard HTTP is supported, by specifying the deposit position of resource to submit data to server.
Device id and sensor ID are provided by platform of internet of things, generate when platform of internet of things creates equipment and sensor.SD card aspect,
Sensing data is added acquisition time and sensor flag position stores in the txt file with SD card, fetch analysis for technical staff.
Serial ports aspect, packet is made up of sensor flag position and data content, determines that collection sensor is true according to sensor flag position
Protect when host computer receives data and do not make a mistake.
Fig. 7, Fig. 8, Fig. 9 divide half for the front view of profile of the present invention, left view, top view.Shell uses engineering plastics system
Not only meet requirement of mechanical strength but also shielding action to wireless signal is the least, wherein:
Label 1 is respectively the housing of invention shell, on front view Fig. 7, be provided with LCDs 3, SD card alarm lamp 4,
Blower fan alarm lamp 5 and master control borad interface 2, wherein vibrating sensor 1～6 be connected with A0～A5 respectively, key signal sensor and
D8 interface is connected, other unillustrated interfaces have the most connected vibrating sensor, alarm lamp, LCDs or native system and accounted for
With, not arranging on housing, set interface all uses Du Pont's line interface, facilitates sensor signal OIR to connect.Left view Fig. 8
It is provided with 9V battery insertion groove 6, processor cable interface 7, serial communication connection interface 8, processor power supply interface 9 and 4G router
From top to bottom being respectively USB interface, router charge port and cable interface in 10,10, the 4G SIM card connected for network is inserted
In router.Top view Fig. 9 is provided with housing Door and its lock 11.Device length is 120 millimeters, and height is 60 millimeters, width
It it is 100 millimeters.
Claims (5)
1., based on Embedded mine fan vibration signals collecting and a remote transmitting device, it is characterized in that: by vibrating sensing
Device, key signal sensor, signal gathering unit, microprocessor controller, wireless router, wireless network card, network expansion board, SD
Card and SD clamping oralia, liquid crystal display, portable power source and casing form this device, and wherein vibration signal sensor is believed with key
Number sensor is connected to microprocessor controller, and by network, the signal collected is uploaded to platform of internet of things.
The most according to claim 1 based on Embedded mine fan vibration signals collecting and remote transmitting device, it is special
Levy and be: vibrating sensor is respectively placed in blower motor outfan, the horizontal monitoring point of fan rotor front-end and back-end and longitudinal direction
6 tunnel vibration sensor signal are changed into 1.99～2.52V current signals through signal conditioning circuit, are respectively fed to A0 by monitoring point
～A5 simulates input pin.
The most according to claim 1 based on Embedded mine fan vibration signals collecting and remote transmitting device, it is special
Levy and be: shell uses engineering plastics to make with the shielding requirements ensureing its mechanical strength and wireless signal.
The most according to claim 1 based on Embedded mine fan vibration signals collecting and remote transmitting device, its bag
Include: cabinet (1), master control borad interface (2), LCDs (3), SD card alarm lamp (4), blower fan alarm lamp (5), battery
Slot (6), cable interface (7), serial communication interface (8), power interface (9), 4G router (10), housing Door and its lock
(11):
Described master control borad interface (2) is positioned at cabinet (1) front；
Described LCDs (3), SD card alarm lamp (4), blower fan alarm lamp (5) are embedded in the front of cabinet (1), just
Blower fan and device duty is checked in Field Force；
Described battery insertion groove (6), cable interface (7), serial communication interface (8), power interface (9), 4G router (10), its
The interface that middle 4G router (10) is exposed at least includes a charge port and a cable interface；
Described housing Door and its lock (11) is positioned at cabinet (1) above.
The most according to claim 1 based on Embedded mine fan vibration signals collecting and remote transmitting device, it is special
Levying and be: device contour length is 120 millimeters, height is 60 millimeters, and width is 100 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520895433.8U CN205478472U (en) | 2015-11-11 | 2015-11-11 | Mine fan vibration signal acquisition and teletransmission device based on it is embedded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520895433.8U CN205478472U (en) | 2015-11-11 | 2015-11-11 | Mine fan vibration signal acquisition and teletransmission device based on it is embedded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478472U true CN205478472U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520895433.8U Expired - Fee Related CN205478472U (en) | 2015-11-11 | 2015-11-11 | Mine fan vibration signal acquisition and teletransmission device based on it is embedded |
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| CN (1) | CN205478472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236225A (en) * | 2021-05-19 | 2021-08-10 | 中国石油大学(华东) | Coal mine drilling deviation early warning sensor system and drilling deviation rectifying method |
-
2015
- 2015-11-11 CN CN201520895433.8U patent/CN205478472U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236225A (en) * | 2021-05-19 | 2021-08-10 | 中国石油大学(华东) | Coal mine drilling deviation early warning sensor system and drilling deviation rectifying method |
| CN113236225B (en) * | 2021-05-19 | 2023-02-24 | 中国石油大学(华东) | Coal mine drilling deviation early warning sensor system and drilling deviation rectifying method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20171111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |