CN208900291U - A kind of blower inclination prior-warning device for above goaf - Google Patents
A kind of blower inclination prior-warning device for above goaf Download PDFInfo
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- CN208900291U CN208900291U CN201821418418.4U CN201821418418U CN208900291U CN 208900291 U CN208900291 U CN 208900291U CN 201821418418 U CN201821418418 U CN 201821418418U CN 208900291 U CN208900291 U CN 208900291U
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Abstract
The utility model discloses a kind of blowers for above goaf to tilt prior-warning device, including power supply module, tilt monitoring modular, remote alarming module and sound and light alarm module, tilting monitoring modular includes gravity sensor, signal processing circuit, signal processing circuit includes filter circuit, signal amplification circuit and clamp circuit, gravity sensor is when monitoring small gradient, output signal is excessively faint, the output signal of gravity sensor is first carried out low-pass filtering by filter circuit in signal processing circuit, reduce noise jamming, the first triode and the second triode composition complementary push-pull amplifying circuit amplify the output signal of filter circuit in signal amplification circuit, effectively improve signal strength, spike is brought to interfere to gravity sensor when reducing the shaking of fan blade appearance using clamp circuit, that improves device uses the longevity Life；In such a way that remote alarms and sound-light alarm combine, keep early warning more real-time effectively.
Description
Technical field
The utility model relates to blowers to tilt early warning technology field, more particularly to a kind of blower for above goaf
Tilt prior-warning device.
Background technique
With the quick emergence of Wind Power Generation Industry, land wind-powered electricity generation is also increasingly shown by the drawbacks of occupying valuable land resource, is fitted
The land used for closing the land wind power plant of Large scale construction is just increasingly reduced, and the mountainous region of above goaf has wind energy resources abundant, by
It is gradually being exploited, the blower unit in some areas then has to build above goaf, especially mountainous region above goaf in.
Blower includes fan blade, fan engine room and blower fan tower barrel, due to the non-directiveness of wind, fan blade institute wind-engaging lotus
Load is always at one kind and moves in circles state, and draught fan tower barrel base bottom is embedded in goaf, and goaf geology is because of its own
The existing particularity for being likely to occur residual deformation and activation deformation, so that this towering structure of blower goes out under cyclic load
A possibility that existing differential settlement, greatly increases, and blower is extremely sensitive to inclination, it is necessary to its levelness of strict control, and weigh
For force snesor when detecting small gradient, output signal is excessively faint, and when blower is by high wind, fan blade shakes
The raw interference signal of movable property also will affect the testing result of gravity sensor, at present be also to rely primarily on duty room in terms of alarm
Sound-light alarm equipment, operator on duty outside go out go on patrol when, warning message can not be obtained in real time.
So the utility model provides the new scheme of one kind to solve the problems, such as this.
Summary of the invention
For above situation, for the defect for overcoming the prior art, being designed to provide for the utility model is a kind of for adopting
Blower above dead zone tilts prior-warning device.
Its technical solution solved is a kind of blower inclination prior-warning device for above goaf, including power supply module,
Tilt monitoring modular, remote alarming module and sound and light alarm module；The inclination monitoring modular is set to top in fan engine room
Tail portion, including gravity sensor, signal processing circuit, signal processing circuit include filter circuit, signal amplification circuit and clamper
Circuit, the signal output end of the input terminal connection gravity sensor of filter circuit, the output end connection signal amplification of filter circuit
The input terminal of circuit, the input terminal of the output end connection clamp circuit of signal amplification circuit, the output end connection of clamp circuit are remote
Journey alarm module and sound and light alarm module；The power supply module includes the solar battery for being layed in blower fan tower barrel surface upper semisection
Plate and the charge controller being arranged in inside fan engine room, battery, the power output end connection charging control of solar panel
The input terminal of device processed, the charging end of the output end connection battery of charge controller, built-in storage battery power management chip, electric power storage
The input terminal of the discharge end connection power management chip in pond, the output end of power management chip are provided with the first power interface and the
Two power interfaces.
Preferably, the filter circuit includes first resistor and first capacitor, and one end of first resistor connects the gravity
The signal output end of sensor, one end of the other end connection first capacitor of first resistor and the input terminal of signal amplification circuit,
The other end of first capacitor is grounded.
Preferably, the signal amplification circuit includes the first triode, the second triode, second resistance and 3rd resistor,
The base stage of first triode and the second triode connects the output end of the filter circuit by second resistance, the first triode
Collector connects the first power interface, the emitter connection of the emitter of the first triode and the second triode by 3rd resistor
The input terminal of clamp circuit, the grounded collector of the second triode.
Preferably, the clamp circuit includes the 4th resistance, first diode and the second diode, one end of the 4th resistance
Connect the output end of the signal amplification circuit, the anode and the second diode of the other end connection first diode of the 4th resistance
Cathode, the cathode of first diode connects the first power interface, the plus earth of the second diode.
Preferably, the remote alarming module includes that the signal projector of tail portion and first effect in fan engine room is arranged in
Ying Guan, the grid of the first field-effect tube connect the output end of clamp circuit by the 5th resistance, and the drain electrode of the first field-effect tube connects
Connect second source interface, the source electrode connection signal transmitter of the first field-effect tube.
Preferably, the sound and light alarm module includes being arranged in indoor second field-effect tube on duty, relay, buzzer
And alarm lamp, the grid of the second field-effect tube connect the output end of clamp circuit, the source of the second field-effect tube by the 6th resistance
Pole ground connection, one end of the drain electrode connection relay coil of the second field-effect tube, the other end of relay coil pass through the 7th resistance
Second source interface is connected, second source interface connects one end of relay normally open contact, relay normally open by the 8th resistance
The other end of contact connects one end of the 9th resistance and the tenth resistance, the anode of the other end connection alarm lamp of the 9th resistance, report
The cathode of warning lamp is grounded, the anode of the other end connection buzzer of the tenth resistance, the cathode ground connection of buzzer.
Preferably, first power interface, second source interface output+5V power supply ,+12V power supply respectively.
Preferably, the fan engine room is internally provided with cable concentrator.
By above technical scheme, the utility model has the following beneficial effects:
1. a kind of blower for above goaf of the utility model tilts prior-warning device, including power supply module, inclination prison
Module, remote alarming module and sound and light alarm module are surveyed, wherein inclination monitoring modular is set to top tail portion in fan engine room,
When run-off the straight, gravity sensor has biggish displacement, improves the accuracy of tilt detection, when gravity sensor detects danger
When dangerous gradient, the output signal of gravity sensor can be such that the first field-effect tube Q1 and the second field-effect tube Q2 simultaneously turns on, far
Journey alarm module obtain it is electric send alarm signal on the smart machine of operator on duty, relay coil obtains in sound and light alarm module
Electricity, normally opened contact are attracted, and are triggered indoor buzzer and alarm lamp on duty and are issued sound and light alarm signal, device is built simple easy
Row, alarm mode have human oriented design, and early warning is more real-time effectively；
2. gravity sensor is when monitoring small gradient, output signal is excessively faint, and filter circuit first passes gravity
The output signal of sensor carries out low-pass filtering, reduces noise jamming, the first triode T1 and the two or three pole in signal amplification circuit
Pipe T2 composition complementary push-pull amplifying circuit amplifies the output signal of filter circuit, effectively improves signal strength；
3. when blower is by high wind, the shaking that fan blade occurs can bring spike interference signal to gravity sensor,
Gravity sensor is set to have excessively high output, the control terminal so as to cause the first field-effect tube Q1 and the second field-effect tube Q2 has
Abnormally high-voltage can shorten its service life for a long time, be carried out using output signal of the clamp circuit to signal amplification circuit
Processing, makes output signal amplitude range between 0-5V, effectively improves the service life of device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the system module figure of the utility model.
Fig. 3 is the inclination monitoring modular figure of the utility model.
Fig. 4 is the power supply module figure of the utility model.
Fig. 5 is the circuit diagram of the utility model.
In figure: 10- solar panel, 11- charge controller, 12- battery, 13- cable concentrator, 20- inclination monitoring mould
Block, 30- remote alarming module, 101- blower fan tower barrel, 102- fan blade, 103- fan engine room.
Specific embodiment
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 5 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
As shown in Figure 1-3, a kind of blower for above goaf tilts prior-warning device, including power supply module, inclination prison
Survey module 20, remote alarming module 30 and sound and light alarm module.Inclination monitoring modular 20 is set to top tail portion in fan engine room,
Including gravity sensor J1, signal processing circuit, signal processing circuit includes filter circuit, signal amplification circuit and clamper electricity
Road, the signal output end of the input terminal connection gravity sensor J1 of filter circuit, the output end connection signal amplification of filter circuit
The input terminal of circuit, the input terminal of the output end connection clamp circuit of signal amplification circuit, the output end connection of clamp circuit are remote
Journey alarm module 30 and sound and light alarm module.
Power supply module includes being layed in the solar panel 10 of blower fan tower barrel surface upper semisection and being arranged in fan engine room
Charge controller 11, the battery 12 of inside, solar panel 10 use photosynthetic silicon energy 5000W pattern block, as shown in figure 4,
The input terminal of the power output end connection charge controller 11 of solar panel 10, charge controller 11 select model
The photosynthetic waterproof charge controller of GH808, the charging end of the output end connection battery 12 of charge controller 11, guarantees battery
12 safe chargings prevent from overcharging, the power management chip of model LM2576 built in battery 12, and the discharge end of battery 12 connects
The input terminal of power management chip is connect, the output end of power management chip is provided with the first power interface and second source interface,
Wherein the first power interface, second source interface output+5V power supply ,+12V power supply respectively, for inclination monitoring modular 20, remote
Journey alarm module 30 and sound and light alarm module power supply.It is additionally provided with cable concentrator 13 inside fan engine room, facilitates between modules
Conducting wire connection, play the role of arrangement and protection to connecting wire.
As shown in figure 5, remote alarming module 30 includes the signal projector ANT and first that tail portion in fan engine room is arranged in
The grid of field-effect tube Q1, the first field-effect tube Q1 pass through the output end of the 5th resistance R5 connection clamp circuit, the first field-effect
The drain electrode of pipe Q1 connects second source interface, the source electrode connection signal transmitter ANT of the first field-effect tube Q1.
Sound and light alarm module includes being arranged in indoor second field-effect tube Q2, relay K1, buzzer LS1 and report on duty
The grid of warning lamp LED, the second field-effect tube Q2 pass through the output end of the 6th resistance R6 connection clamp circuit, the second field-effect tube Q2
Source electrode ground connection, one end of the drain electrode connection relay K1 coil of the second field-effect tube Q2, the other end of relay K1 coil is logical
The 7th resistance R7 connection second source interface is crossed, second source interface passes through the 8th resistance R8 connection relay K1 normally opened contact
One end, the other end of relay K1 normally opened contact connect one end of the 9th resistance R9 and the tenth resistance R10, and the 9th resistance R9's is another
One end connects the anode of alarm lamp LED, the cathode ground connection of alarm lamp LED, and the other end of the tenth resistance R10 connects buzzer LS1
Anode, buzzer LS1 cathode ground connection.
When specifically used, gravity sensor J1 selects the three-axis sensor of model ADXL335, is set to fan engine room
103 tops tail portion can play a very good protection, while in run-off the straight, gravity sensor J1 has biggish position
It moves, improves the accuracy detected to gradient, wherein the power end of gravity sensor J1 connects the first power interface, and gravity passes
The ground terminal of sensor J1 is grounded.Since output signal is excessively faint when reaching dangerous gradient by gravity sensor J1, and vulnerable to
External interference, influence inclination monitoring confidence level, using signal processing circuit to the output signal of gravity sensor J1 at
Reason, signal processing circuit include filter circuit, signal amplification circuit and clamp circuit, and the input terminal connection gravity of filter circuit passes
The signal output end of sensor J1, the input terminal of the output end connection signal amplifying circuit of filter circuit, signal amplification circuit it is defeated
Outlet connects the input terminal of clamp circuit, and the output end of clamp circuit passes through the control of the 5th resistance R5 the first field-effect tube of connection Q1
End processed, and pass through the control terminal of the 6th resistance R6 the second field-effect tube of connection Q2.
In order to reduce noise signal gravity sensor J1 output signal interference, first resistor R1 and in filter circuit
One capacitor C1 forms RC filter and carries out low-pass filtering to the output signal of sensor J1, and one end of first resistor R1 connects gravity
The signal output end of sensor J1, first resistor R1 the other end connection first capacitor C1 one end and signal amplification circuit it is defeated
Enter end, the other end ground connection of first capacitor C1.
In order to improve the output signal strength of gravity sensor J1, the first triode T1 and the two or three in signal amplification circuit
Pole pipe T2 composition complementary push-pull amplifying circuit amplifies the output signal of filter circuit, effectively improves signal strength,
Wherein, the base stage of the first triode T1 and the second triode T2 are by the output end of second resistance R2 connection filter circuit, and first
The collector of triode T1 passes through the first power interface of 3rd resistor R3 connection, the emitter of the first triode T1 and the two or three pole
The input terminal of the emitter connection clamp circuit of pipe T2, the grounded collector of the second triode T2.
When blower is by high wind, the shaking that fan blade 102 occurs can bring spike interference letter to gravity sensor J1
Number, so that gravity sensor J1 is had excessively high output, so as to cause the control of the first field-effect tube Q1 and the second field-effect tube Q2
End has abnormally high-voltage, can shorten its service life for a long time, is believed using clamp circuit the output of signal amplification circuit
It number is handled, clamp circuit includes the 4th resistance R4, first diode D1 and the second diode D2, one end of the 4th resistance R4
The output end of connection signal amplifying circuit, the anode and the second diode of the other end connection first diode D1 of the 4th resistance R4
The cathode of the cathode of D2, first diode D1 connects the first power interface, the plus earth of the second diode D2, through clamp circuit
Treated output signal amplitude range effectively improves the service life of device between 0-5V.
For the utility model when specifically used, the output signal and blower tilt angle size of gravity sensor J1 is at just
Than being exported through signal processing circuit treated gravity sensor J1 when gravity sensor J1 reaches 0.29 ° of dangerous gradient
Signal can be such that the first field-effect tube Q1 and the second field-effect tube Q2 simultaneously turns on, signal projector ANT in remote alarming module 30
It electric must send alarm signal on the smart machine of operator on duty, such as smart phone, tablet computer；In sound and light alarm module
Relay K1 coil obtains electric, normally opened contact actuation, triggers indoor buzzer LS1 and alarm lamp LED on duty and issues sound-light alarm
Signal, device are built simple and easy, and alarm mode has the characteristics that human oriented design, and early warning is more real-time effectively.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (8)
1. a kind of blower for above goaf tilts prior-warning device, it is characterised in that: including power supply module, inclination monitoring mould
Block, remote alarming module and sound and light alarm module；
The inclination monitoring modular is set to top tail portion in fan engine room, including gravity sensor, signal processing circuit, signal
Processing circuit includes filter circuit, signal amplification circuit and clamp circuit, and the input terminal of filter circuit connects gravity sensor
Signal output end, the input terminal of the output end connection signal amplifying circuit of filter circuit, the output end connection of signal amplification circuit
The input terminal of clamp circuit, the output end connection remote alarming module and sound and light alarm module of clamp circuit；
The power supply module includes being layed in the solar panel of blower fan tower barrel surface upper semisection and being arranged in fan engine room
Charge controller, the battery in portion, the input terminal of the power output end connection charge controller of solar panel, charge control
The charging end of the output end connection battery of device, the discharge end of built-in storage battery power management chip, battery connect power supply pipe
The input terminal of chip is managed, the output end of power management chip is provided with the first power interface and second source interface.
2. tilting prior-warning device for the blower of above goaf as described in claim 1, it is characterised in that: the filtered electrical
Road includes first resistor and first capacitor, and one end of first resistor connects the signal output end of the gravity sensor, the first electricity
One end of the other end connection first capacitor of resistance and the input terminal of signal amplification circuit, the other end ground connection of first capacitor.
3. tilting prior-warning device for the blower of above goaf as claimed in claim 2, it is characterised in that: the signal is put
Big circuit includes the first triode, the second triode, second resistance and 3rd resistor, the base of the first triode and the second triode
Pole connects the output end of the filter circuit by second resistance, and the collector of the first triode passes through 3rd resistor connection first
The input terminal of the emitter connection clamp circuit of power interface, the emitter of the first triode and the second triode, the two or three pole
The grounded collector of pipe.
4. tilting prior-warning device for the blower of above goaf as claimed in claim 3, it is characterised in that: the clamper electricity
Road includes the 4th resistance, first diode and the second diode, and one end of the 4th resistance connects the defeated of the signal amplification circuit
Outlet, the anode of the other end connection first diode of the 4th resistance and the cathode of the second diode, the cathode of first diode
Connect the first power interface, the plus earth of the second diode.
5. tilting prior-warning device for the blower of above goaf as claimed in claim 4, it is characterised in that: the long-range report
Alert module includes that the signal projector of tail portion and the first field-effect tube in fan engine room is arranged in, and the grid of the first field-effect tube is logical
The output end of the 5th resistance connection clamp circuit is crossed, the drain electrode of the first field-effect tube connects second source interface, the first field-effect
The source electrode connection signal transmitter of pipe.
6. tilting prior-warning device for the blower of above goaf as claimed in claim 5, it is characterised in that: the acousto-optic report
Alert module includes being arranged in indoor second field-effect tube, relay, buzzer and alarm lamp on duty, the grid of the second field-effect tube
Pole connects the output end of clamp circuit, the source electrode ground connection of the second field-effect tube, the drain electrode of the second field-effect tube by the 6th resistance
One end of relay coil is connected, the other end of relay coil connects second source interface, second source by the 7th resistance
Interface connects one end of relay normally open contact by the 8th resistance, the other end of relay normally open contact connect the 9th resistance and
One end of tenth resistance, the 9th resistance the other end connection alarm lamp anode, alarm lamp cathode ground connection, the tenth resistance it is another
One end connects the anode of buzzer, the cathode ground connection of buzzer.
7. tilting prior-warning device for the blower of above goaf as claimed in claim 6, it is characterised in that: first electricity
Source interface, second source interface output+5V power supply ,+12V power supply respectively.
8. tilting prior-warning device for the blower of above goaf as claimed in claim 7, it is characterised in that: the blower machine
Cabin is internally provided with cable concentrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418418.4U CN208900291U (en) | 2018-08-31 | 2018-08-31 | A kind of blower inclination prior-warning device for above goaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418418.4U CN208900291U (en) | 2018-08-31 | 2018-08-31 | A kind of blower inclination prior-warning device for above goaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208900291U true CN208900291U (en) | 2019-05-24 |
Family
ID=66570883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821418418.4U Expired - Fee Related CN208900291U (en) | 2018-08-31 | 2018-08-31 | A kind of blower inclination prior-warning device for above goaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208900291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082100A (en) * | 2019-03-26 | 2019-08-02 | 明阳智慧能源集团股份公司 | A kind of Wind turbines yaw drive system Even load test verification method |
| CN110863958A (en) * | 2019-11-25 | 2020-03-06 | 明阳智慧能源集团股份公司 | Method for testing key parameters of yaw system of wind generating set |
-
2018
- 2018-08-31 CN CN201821418418.4U patent/CN208900291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082100A (en) * | 2019-03-26 | 2019-08-02 | 明阳智慧能源集团股份公司 | A kind of Wind turbines yaw drive system Even load test verification method |
| CN110863958A (en) * | 2019-11-25 | 2020-03-06 | 明阳智慧能源集团股份公司 | Method for testing key parameters of yaw system of wind generating set |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20200831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |