CN209231363U - A kind of mining wind speed wind transducer - Google Patents
A kind of mining wind speed wind transducer Download PDFInfo
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- CN209231363U CN209231363U CN201822251205.3U CN201822251205U CN209231363U CN 209231363 U CN209231363 U CN 209231363U CN 201822251205 U CN201822251205 U CN 201822251205U CN 209231363 U CN209231363 U CN 209231363U
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Abstract
The utility model provides a kind of mining wind speed wind transducer, comprising: MCU, CPLD, sensor probe, data collecting card and the power supply of sensor internal component power supply；The top cover and pedestal of sensor probe are oppositely arranged, and centre is connected by the connecting rod of right-angled intersection；Energy converter is equipped in matching in connecting rod；Transducer drive input terminal is connected by the driving signal output pin of ultrasonic wave transducer driving circuit and CPLD, the signal acquisition pin for receiving signal output end and connecting CPLD by filtering and amplifying circuit, data collecting card of energy converter；CPLD and MCU is communicated to connect.The utility model is enough real-time monitoring wind speed and directions, and wind direction is avoided to influence unidirectional detection air monitoring as a result, monitoring result is accurate.
Description
Technical field
The utility model relates to coal mine safety monitoring field more particularly to a kind of mining wind speed wind transducers.
Background technique
Working Environment of Underground Mine is extremely complex, and various toxic imflammable gas are easy to set off an explosion, of suspension
Grain, dust also will affect the health of staff, and suitable ventilation excludes, the hazardous gas of dilution underground coal mine and tiny
Dust, the environment needs that can be guaranteed safe production improve the working environment of coal mine working personnel.
It is common wind speed sensor for coal mine used in general mine laneway, can only monitors the wind speed in a direction, when
When back lass manoeuvre, distinguished and admirable unstable or appearance are reversed distinguished and admirable, cannot timely and effectively it be monitored, monitoring data are inaccurate
Really.
Summary of the invention
In order to overcome the deficiencies in the prior art described above, the utility model provides a kind of mining wind speed wind transducer, packet
It includes: MCU, CPLD, sensor probe, data collecting card and the power supply of sensor internal component power supply；
The top cover and pedestal of sensor probe are oppositely arranged, and centre is connected by the connecting rod of right-angled intersection；
Energy converter is equipped in matching in connecting rod；Transducer drive input terminal by ultrasonic wave transducer driving circuit with
The driving signal output pin of CPLD connects, and the reception signal output end of energy converter passes through filtering and amplifying circuit, data collecting card
Connect the signal acquisition pin of CPLD；CPLD and MCU is communicated to connect.
Preferably, the interior energy converter set is oppositely arranged in opposite connecting rod.
Preferably, ultrasonic wave transducer driving circuit includes: diode D1, diode D2, diode D3, diode D4, two
Pole pipe D5, diode D6, triode Q1, triode Q2, boost pressure controller U1, capacitor C1, capacitor C2, capacitor C3, resistance R1, electricity
Hinder R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, inductance L1, optocoupler UC；
Power supply passes through the 5th pin of diode D1 connection boost pressure controller U1, and the 5th pin of boost pressure controller U1 is also logical
First pin of the first pin, boost pressure controller U1 of crossing inductance L1 connection boost pressure controller U1 also passes through diode D2 connection electricity
Hold one end of C1, one end of resistance R2, one end of resistance R5, resistance R6 one end；The other end of capacitor C1 connects boosting rectifier control
One end of the third pin of device U1, the other end of resistance R2, resistance R3；The current collection of the other end connecting triode Q1 of resistance R3
Pole, and be grounded by resistance R4；The enable signal output end of the 4th pin connection CPLD of boost pressure controller U1；The amplitude of CPLD
Signal control terminal passes through the base stage of resistance R1 connecting triode Q1, and the base stage of triode Q1 also passes through capacitor C2 and is grounded；
The collector of other end connecting triode Q2 of resistance R5, the forward end of diode D3, diode D6 backward end；
The backward end of diode D3 connects the backward end of the forward end of diode D4, the forward end of diode D6, diode D5；Diode
The backward end of D4, the forward end of diode D5 connect energy converter；The base stage of the other end connecting triode Q2 of resistance R6, optocoupler UC
Positive output end；The negative sense output end of optocoupler UC, the emitter of triode Q2 are grounded；The positive input of optocoupler UC passes through electricity
Hinder the driving signal output end of R7 connection CPLD；The negative input of optocoupler UC is grounded, and passes through capacitor C3 connection optocoupler UC's
Positive input.
Preferably, filtering and amplifying circuit includes: integrated transporting discharging U2, integrated transporting discharging U3, integrated transporting discharging U4, resistance R8, resistance
R9, resistance R10, resistance R11, resistance R12, resistance R13, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8；
Signal output end is received by the reverse input end of concatenated capacitor C4, resistance R8 connection integrated transporting discharging U2, and is led to
Cross the output end of resistance R9 connection integrated transporting discharging U2；The output end of integrated transporting discharging U2 passes through concatenated capacitor C5, resistance R10 connection
The reverse input end of integrated transporting discharging U3, and pass through the output end of resistance R11 connection integrated transporting discharging U3；The output end of integrated transporting discharging U3
By the output end of concatenated capacitor C6, resistance R12 connection integrated transporting discharging U4, and capacitor C7, resistance the R13 company for passing through and connecting
The output end of integrated transporting discharging U4 is connect, the output end of integrated transporting discharging U4 passes through capacitor C8 connection data collecting card；Integrated transporting discharging U2's
The positive input ground connection of positive input, the positive input of integrated transporting discharging U3, integrated transporting discharging U4.
Preferably, sensor probe is equipped with temperature sensor and baroceptor；
Temperature sensor and baroceptor and MCU communicate to connect.
Preferably, it is embedded with combined aural and visual alarm around the top cover of sensor probe, combined aural and visual alarm and MCU are communicated to connect.
Preferably, MCU is communicated to connect by RS485 bus and host computer.
As can be seen from the above technical solutions, the utility model has the advantage that
The top cover and pedestal of the utility model sensor probe are oppositely arranged, and centre passes through the connecting rod phase of right-angled intersection
Even, it is equipped with energy converter in matching in connecting rod, the energy converter being arranged in the connecting rod being oppositely arranged is oppositely arranged；Utilize ultrasound
Wave time difference method detects the wind speed and direction of coal mine roadway, when ultrasonic wave is propagated in the medium, spread speed meeting and medium
Movement speed be superimposed, therefore ultrasonic wave in the medium sequence and backward propagate time it is also different, then pass through inspection
The real time that survey technology is measured calculates the mobile speed of medium by the time difference；Same level in the utility model
Wind direction in interior two groups of energy converters detection tunnel；Real-time monitoring wind speed and direction, monitoring numerical value are accurate.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model, attached drawing needed in description will be made below
Simply introduce, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model principle block diagram.
Fig. 2 is sonde configuration schematic diagram in the utility model.
Fig. 3 is ultrasonic wave transducer driving circuit figure in the utility model.
Fig. 4 is filtering and amplifying circuit figure in the utility model.
Wherein, 1, MCU, 2, CPLD, 3, top cover, 4, photoelectric alarm, 5, connecting rod, 6, energy converter, 7, temperature sensor,
8, pedestal, 9, baroceptor, 10, host computer, 11, data collecting card, 12, power supply, 13, ultrasonic wave transducer driving circuit, 14,
Filtering and amplifying circuit.
Specific embodiment
It, below will be with tool to enable the goal of the invention, feature, advantage of the utility model more obvious and understandable
The examples and drawings of body are clearly and completely described the technical solution of the utility model protection, it is clear that retouched below
The embodiment stated is only the utility model a part of the embodiment, and not all embodiment.Based on the embodiment in this patent,
All other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this specially
The range of benefit protection.
The present embodiment provides a kind of mining wind speed wind transducers, using ultrasonic wave time difference method to the wind speed and wind of coal mine roadway
To being detected, when ultrasonic wave is propagated in the medium, spread speed can be superimposed with the movement speed of medium, therefore ultrasound
The wave time that sequence and backward are propagated in the medium is also different, the real time then measured by detection technique, passes through
Time difference calculates the mobile speed of medium；
Wherein D is the distance between two energy converters being oppositely arranged；T12 is to emit ultrasonic wave from first transducer to the
Two energy converters receive the time of ultrasonic wave, and T21 is to emit ultrasonic wave from second transducer to receive ultrasound to first transducer
The time of wave；Vc is the aerial transmission speed of ultrasonic wave, and V is the movement velocity of medium；According to above formula:
In coal mine roadway, wind direction and wind speed be all it is continually changing, in order to more accurately measure wind speed and direction, do not allow survey
Amount is influenced by wind vector, accurate detection wind vector information, by the ultrasonic transducer of 4 transceivers in the utility model
Level is oppositely arranged two-by-two, and diagonal line is mutually perpendicular to, and spacing is equal.Similarly:
Then:
Thus the wind speed and direction in tunnel can be calculated.
It is specific as shown in Figure 1 and Figure 2, comprising: MCU 1, CPLD 2, sensor probe, data collecting card 11 and sensor
The power supply 12 of internal component power supply；
The top cover 3 and pedestal 1 of sensor probe are oppositely arranged, and centre is connected by the connecting rod 5 of right-angled intersection；
Energy converter 6 is equipped in matching in connecting rod 5, the interior energy converter 6 set is set relatively in specially opposite connecting rod 5
It sets.Energy converter 6 drives input terminal to connect by ultrasonic wave transducer driving circuit 13 with the driving signal output pin of CPLD 2, changes
The signal acquisition pin for receiving signal output end and connecting CPLD 2 by filtering and amplifying circuit 14, data collecting card 11 of energy device 6；
CPLD 2 and MCU 1 is communicated to connect.
Moreover, sensor probe is equipped with temperature sensor 7 and baroceptor 9；In the top cover 3 of sensor probe
Embedded with combined aural and visual alarm 4；
Combined aural and visual alarm 4, temperature sensor 7 and baroceptor 9 and MCU 1 are communicated to connect；MCU1 passes through RS485 bus
It is communicated to connect with host computer 10.Host computer 10 is mainly responsible for calculating, display, the storage of data, the processing of signal of testing result.
Wherein, as shown in figure 3, ultrasonic wave transducer driving circuit 13 includes: diode D1, diode D2, diode D3, two
Pole pipe D4, diode D5, diode D6, triode Q1, triode Q2, boost pressure controller U1, capacitor C1, capacitor C2, capacitor C3,
Resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, inductance L1, optocoupler UC；Wherein U1 is used
TPS61040 type boost control chip.
Power supply 12 passes through the 5th pin of diode D1 connection boost pressure controller U1, and the 5th pin of boost pressure controller U1 is also
Also pass through diode D2 by the first pin of the first pin of inductance L1 connection boost pressure controller U1, boost pressure controller U1 to connect
One end of capacitor C1, one end of resistance R2, one end of resistance R5, resistance R6 one end；The other end connection boosting control of capacitor C1
One end of the third pin of device U1 processed, the other end of resistance R2, resistance R3；The current collection of the other end connecting triode Q1 of resistance R3
Pole, and be grounded by resistance R4；The enable signal output end of the 4th pin connection CPLD 2 of boost pressure controller U1；CPLD's 2
Range signal control terminal passes through the base stage of resistance R1 connecting triode Q1, and the base stage of triode Q1 also passes through capacitor C2 and is grounded；
The collector of other end connecting triode Q2 of resistance R5, the forward end of diode D3, diode D6 backward end；
The backward end of diode D3 connects the backward end of the forward end of diode D4, the forward end of diode D6, diode D5；Diode
The backward end of D4, the forward end of diode D5 connect energy converter 6；The base stage of the other end connecting triode Q2 of resistance R6, optocoupler
The positive output end of UC；The negative sense output end of optocoupler UC, the emitter of triode Q2 are grounded；The positive input of optocoupler UC passes through
The driving signal output end of resistance R7 connection CPLD 2；The negative input of optocoupler UC is grounded, and passes through capacitor C3 connection optocoupler
The positive input of UC.
As shown in figure 4, filtering and amplifying circuit 14 include: integrated transporting discharging U2, integrated transporting discharging U3, integrated transporting discharging U4, resistance R8,
Resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8；
Signal output end is received by the reverse input end of concatenated capacitor C4, resistance R8 connection integrated transporting discharging U2, and is led to
Cross the output end of resistance R9 connection integrated transporting discharging U2；The output end of integrated transporting discharging U2 passes through concatenated capacitor C5, resistance R10 connection
The reverse input end of integrated transporting discharging U3, and pass through the output end of resistance R11 connection integrated transporting discharging U3；The output end of integrated transporting discharging U3
By the output end of concatenated capacitor C6, resistance R12 connection integrated transporting discharging U4, and capacitor C7, resistance the R13 company for passing through and connecting
The output end of integrated transporting discharging U4 is connect, the output end of integrated transporting discharging U4 passes through capacitor C8 connection data collecting card 11；Integrated transporting discharging U2
Positive input, the positive input of integrated transporting discharging U3, integrated transporting discharging U4 positive input ground connection.
The transmitting-receiving control and the acquisition process to related data that MCU and CPLD major function are 4 energy converters；It controls first
A transmissions ultrasonic wave in two groups of energy converters being oppositely arranged two-by-two is made, another is received, and is carried out at the storage of related data
Reason；Then the original energy converter for sending ultrasonic wave of control receives ultrasonic wave, and original energy converter for receiving ultrasonic wave emits ultrasonic wave；
Obtain the fair current time difference and the adverse current time difference, and according to above-mentioned far from being calculated.In order to facilitate observation testing result, can pass
The upper corresponding setting display module of sensor probe.
The utility model is enough real-time monitoring wind speed and directions, and wind direction is avoided to influence unidirectional detection air monitoring as a result, monitoring
As a result accurate.
The specification and claims of the utility model and term " first ", " second ", " third " in above-mentioned attached drawing
(if present)s such as " the 4 " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It answers
The data that the understanding uses in this way are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can
Implemented with the sequence other than those of illustrating or describing herein.In addition, term " includes " and " having " and they
Any deformation, it is intended that cover and non-exclusive include.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of mining wind speed wind transducer characterized by comprising MCU(1), CPLD(2), sensor probe, data adopt
Truck (11) and the power supply (12) of sensor internal component power supply；
The top cover (3) and pedestal (8) of sensor probe are oppositely arranged, and the intermediate connecting rod (5) by right-angled intersection is connected；
Energy converter (6) are equipped in matching in connecting rod (5)；Energy converter (6) drives input terminal to drive electricity by ultrasonic wave transducer
Road (13) and driving signal output pin CPLD(2) connect, and the reception signal output end of energy converter (6) passes through amplification filtered electrical
Road (14), data collecting card (11) connect CPLD(2) signal acquisition pin；CPLD(2 it) and MCU(1) communicates to connect.
2. mining wind speed wind transducer according to claim 1, which is characterized in that
The energy converter (6) set in opposite connecting rod (5) is oppositely arranged.
3. mining wind speed wind transducer according to claim 1, which is characterized in that
Ultrasonic wave transducer driving circuit (13) include: diode D1, diode D2, diode D3, diode D4, diode D5,
Diode D6, triode Q1, triode Q2, boost pressure controller U1, capacitor C1, capacitor C2, capacitor C3, resistance R1, resistance R2, electricity
Hinder R3, resistance R4, resistance R5, resistance R6, resistance R7, inductance L1, optocoupler UC；
Power supply (12) passes through the 5th pin of diode D1 connection boost pressure controller U1, and the 5th pin of boost pressure controller U1 is also logical
First pin of the first pin, boost pressure controller U1 of crossing inductance L1 connection boost pressure controller U1 also passes through diode D2 connection electricity
Hold one end of C1, one end of resistance R2, one end of resistance R5, resistance R6 one end；The other end of capacitor C1 connects boosting rectifier control
One end of the third pin of device U1, the other end of resistance R2, resistance R3；The current collection of the other end connecting triode Q1 of resistance R3
Pole, and be grounded by resistance R4；The 4th pin of boost pressure controller U1 connects CPLD(2) enable signal output end；CPLD(2)
Range signal control terminal by the base stage of resistance R1 connecting triode Q1, the base stage of triode Q1 also passes through capacitor C2 and is grounded；
The collector of other end connecting triode Q2 of resistance R5, the forward end of diode D3, diode D6 backward end；Two poles
The backward end of pipe D3 connects the backward end of the forward end of diode D4, the forward end of diode D6, diode D5；Diode D4's
Forward end connection energy converter (6) of backward end, diode D5；The base stage of the other end connecting triode Q2 of resistance R6, optocoupler UC
Positive output end；The negative sense output end of optocoupler UC, the emitter of triode Q2 are grounded；The positive input of optocoupler UC passes through electricity
Hinder R7 connection CPLD(2) driving signal output end；The negative input of optocoupler UC is grounded, and passes through capacitor C3 connection optocoupler UC
Positive input.
4. mining wind speed wind transducer according to claim 2 or 3, which is characterized in that
Filtering and amplifying circuit (14) includes: integrated transporting discharging U2, integrated transporting discharging U3, integrated transporting discharging U4, resistance R8, resistance R9, resistance
R10, resistance R11, resistance R12, resistance R13, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8；
Signal output end is received by the reverse input end of concatenated capacitor C4, resistance R8 connection integrated transporting discharging U2, and passes through electricity
Hinder the output end of R9 connection integrated transporting discharging U2；The output end of integrated transporting discharging U2 is integrated by concatenated capacitor C5, resistance R10 connection
The reverse input end of amplifier U3, and pass through the output end of resistance R11 connection integrated transporting discharging U3；The output end of integrated transporting discharging U3 passes through
The output end of concatenated capacitor C6, resistance R12 connection integrated transporting discharging U4, and capacitor C7, the resistance R13 connection collection for passing through and connecting
At the output end of amplifier U4, the output end of integrated transporting discharging U4 passes through capacitor C8 connection data collecting card (11)；Integrated transporting discharging U2's
The positive input ground connection of positive input, the positive input of integrated transporting discharging U3, integrated transporting discharging U4.
5. mining wind speed wind transducer according to claim 1, which is characterized in that
Sensor probe is equipped with temperature sensor (7) and baroceptor (9)；
Temperature sensor (7) and baroceptor (9) and MCU(1) communication connection.
6. mining wind speed wind transducer according to claim 1, which is characterized in that
Top cover (3) around sensor probe is embedded with combined aural and visual alarm (4), combined aural and visual alarm (4) and MCU(1) communication connection.
7. mining wind speed wind transducer according to claim 1, which is characterized in that
MCU(1 it) is communicated to connect by RS485 bus and host computer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251205.3U CN209231363U (en) | 2018-12-29 | 2018-12-29 | A kind of mining wind speed wind transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251205.3U CN209231363U (en) | 2018-12-29 | 2018-12-29 | A kind of mining wind speed wind transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209231363U true CN209231363U (en) | 2019-08-09 |
Family
ID=67509854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822251205.3U Active CN209231363U (en) | 2018-12-29 | 2018-12-29 | A kind of mining wind speed wind transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209231363U (en) |
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2018
- 2018-12-29 CN CN201822251205.3U patent/CN209231363U/en active Active
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