CN206114897U - Ultrasonic ranging meter - Google Patents
Ultrasonic ranging meter Download PDFInfo
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- CN206114897U CN206114897U CN201621184949.2U CN201621184949U CN206114897U CN 206114897 U CN206114897 U CN 206114897U CN 201621184949 U CN201621184949 U CN 201621184949U CN 206114897 U CN206114897 U CN 206114897U
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Abstract
The utility model discloses an ultrasonic ranging meter, including casing, console switch, pilot lamp and liquid crystal touch screen and electronic circuit board, the integration has singlechip, ultrasonic ranging module, power module, timer, data memory and wireless communication module on the electronic circuit board, the input termination of singlechip has temperature and humidity sensor and air density detection module, the output termination of singlechip has voice broadcast module, first relay and second relay, ultrasonic ranging module includes ultrasonic emitting module and ultrasonic wave receiving module, ultrasonic emitting module includes transmission drive circuits and ultrasonic emission probe, ultrasonic wave receiving module includes ultrasonic wave receiving probe and ultrasonic wave receive processing circuitry. The utility model discloses optional range finding mode with keep away the barrier mode, realize the range finding of testee and the real -time range finding of barrier, improve the range finding accuracy, but voice broadcast ranging result just, the practicality is strong.
Description
Technical field
This utility model belongs to ultrasonic measuring distance technology field, and in particular to a kind of ultrasonic range finder.
Background technology
Ultrasound wave is a kind of sound wave of frequency higher than 20KHz, and with straightline propagation ability, orientation determines strong, penetration capacity
By force, it is widely used in position, range measurement etc..Ultrasonic ranging is that ultrasonic emitting is popped one's head in testee transmitting ultrasound wave,
Start timing while x time, ultrasound wave is propagated in atmosphere, testee is encountered in way and just returns immediately, ultrasound
Ripple receiving transducer receives echo and just stops timing immediately.According to the aerial spread speed of ultrasound wave and transmitting and reception
Time difference, calculates distance of the launch point away from testee.But, the aerial spread speed of ultrasound wave is wet with air
Degree, temperature are relevant with the density of air, and the change of the density of the humidity, temperature or air of air will accordingly change ultrasound wave
Propagation rate, if the density of temperature, humidity and air not being measured or being compensated, the change of ultrasonic propagation velocity is most
The inaccurate of range measurement is caused eventually.In addition, current supersonic range finder is mainly used to find range testee, and
Range finding to testee does not need real time distance, if so ultrasonic range finder is normally opened always, increasing power consumption,
The use time of supersonic range finder is reduced, in addition, supersonic range finder model comparision is single, it is impossible to be directly applied to keep away
The range of application of ultrasonic range finder in barrier system, is reduced, and is not provided with positioner, affect the accuracy of range measurement.
Finally, current ultrasonic range finder mainly shown using display screen, needs staff to be looked into eyes after the completion of range finding
Distance value is seen, it is cumbersome for the human users having defective vision.Therefore, nowadays lack a kind of simple structure, it is easy to operate,
Low cost, ultrasonic range finder reasonable in design may be selected distance measurement mode and avoidance pattern, realize the range finding to testee and
The real time distance of barrier, applied range improve range finding accuracy, and can voice broadcast range measurement.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of ultrasound
Ripple diastimeter, which is reasonable in design, simple structure, easy to operate and low cost, and distance measurement mode and avoidance pattern may be selected, and it is right to realize
The range finding of testee and the real time distance of barrier, applied range improve range finding accuracy, and can voice broadcast range finding knot
Really, it is practical, it is easy to promote the use of.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of ultrasonic range finder, its feature
It is：Including housing, Operation switch on the housing, display lamp and liquid crystal touch screen are set and it are arranged in housing
Electronic circuit board, be integrated with the electronic circuit board single-chip microcomputer, ultrasonic distance measuring module, power module and with single-chip microcomputer phase
Intervalometer, data storage and the wireless communication module for connecing, the input of the single-chip microcomputer are terminated with Temperature Humidity Sensor and air
Density Detection module, the output of the single-chip microcomputer are terminated with voice broadcast module, the first relay and the second relay, and described
The output of two relays is terminated with locating module, and the ultrasonic distance measuring module includes that ultrasonic emitting module and ultrasound wave are received
Module, the ultrasonic emitting that the ultrasonic emitting module is included emission driving circuit and connected with emission driving circuit outfan
Probe, the ultrasound wave receiver module include the ultrasound wave receiving transducer for wireless receiving ultrasonic emitting probe transmission signal
And the ultrasound wave receiving processing circuit connected with ultrasound wave receiving transducer outfan, the ultrasound wave receiving processing circuit include according to
The secondary first order amplifying circuit for connecting, second level amplifying circuit, filter circuit and comparison circuit, the first order amplifying circuit with
Ultrasound wave receiving transducer connects, and the input of the emission driving circuit is connected with the outfan of single-chip microcomputer, the comparison circuit
Outfan connect with the input of single-chip microcomputer, the Operation switch include on and off switch, range finding switch, distance measurement mode select open
Close and avoidance mode selection switch, it is in the current supply circuit that the on and off switch is connected on power module powers for single-chip microcomputer, described
In the current supply circuit that range finding switch and the first relay are connected on power module after in parallel powers for emission driving circuit, the survey
Outfan away from mode selection switch and avoidance mode selection switch is connected with the input of single-chip microcomputer, the voice broadcast mould
The input of the speaker that block is included sound circuit and connected with sound circuit outfan, the sound circuit and display lamp with
The outfan of single-chip microcomputer connects.
A kind of above-mentioned ultrasonic range finder, it is characterised in that：The power module includes chip LM7805, the chip
The Vin pins of LM7805 divide three tunnels, and the anode of Jing resistance R7 and light emitting diode D1 connects all the way, electric capacity another road Jing in parallel
C3 and electric capacity C5 ground connection, the 3rd tunnel is connected with the 1st pin of two end interface P1；The minus earth of the light emitting diode D1, institute
State the 2nd pin ground connection of two end interface P1, three tunnels of the Vout pins of the chip LM7805 point, all the way electric capacity C8 Jing in parallel and
Electric capacity C4 is grounded, electric capacity C6 and C8 ground connection another road Jing in parallel, and the 3rd tunnel is+5V DC power output ends.
A kind of above-mentioned ultrasonic range finder, it is characterised in that：The emission driving circuit includes chip NE555, described
Two-way is divided in the connection end of the 2nd pin and the 6th pin of chip NE555, all the way Jing electric capacity C13 ground connection, and another road is with resistance R16's
One end connects；4th pin of the chip NE555 is connected with single-chip microcomputer, and the 5th of the chip NE555 draws foot meridian capacitor C14 connects
Ground, the 7th pin of the chip NE555 point two-way, is connected with the other end of resistance R16 all the way, another road and swept resistance R5
A fixing end；3rd pin of the chip NE555 is connected with one end of resistance R18, the other end point of the resistance R18
Two-way, all the way Jing resistance R17 connect with the connection end of the sliding end of another fixing end and swept resistance R5 of swept resistance R5,
Signal output part of another road for emission driving circuit；
Ultrasonic emitting probe is popped one's head in LS1 for ultrasonic emitting, one end of the ultrasonic emitting probe LS1 with send out
The signal output part for penetrating drive circuit connects, the other end ground connection of the ultrasonic emitting probe LS1.
A kind of above-mentioned ultrasonic range finder, it is characterised in that：The ultrasound wave receiving transducer is ultrasound wave receiving transducer
LS2；
The first order amplifying circuit includes the chip OP1 of model OP07, and the in-phase input end Jing of the chip OP1 is electric
Resistance R10 ground connection, resistance R6 that the inverting input of the chip OP1 is concatenated and electric capacity C1 and ultrasound wave receiving transducer LS2's
One end connects, the outfan point two-way of the chip OP1, all the way with a fixing end and swept resistance R1 of swept resistance R1
The connection end of sliding end connects, signal output part of another road for first order amplifying circuit；The swept resistance R1 another
Fixing end is connected with the inverting input of chip OP1；
Second level amplifying circuit includes the chip OP2 of model OP07, the in-phase input end Jing resistance of the chip OP2
R11 is grounded, and the resistance R9 and electric capacity C2 that the inverting input of the chip OP2 is concatenated is defeated with the signal of first order amplifying circuit
Go out end to connect, the outfan point two-way of the chip OP2, all the way with a fixing end and swept resistance R2 of swept resistance R2
The connection end of sliding end connects, signal output part of another road for second level amplifying circuit；The swept resistance R2 another
Fixing end is connected with the inverting input of chip OP2.
A kind of above-mentioned ultrasonic range finder, it is characterised in that：The filter circuit includes chip LM833, the chip
The in-phase input end of LM833 point two-way, is connected with one end of resistance R15 all the way, another road Jing electric capacity C11 ground connection；The resistance
The other end of R15 divides two-way, all the way the signal output of Jing electric capacity C12 ground connection, another road Jing resistance R14 and second level amplifying circuit
End connects；The inverting input Jing resistance R13 ground connection of the chip LM833, the outfan point two-way of the chip LM833, one
Road is connected with the connection end of the sliding end of a fixing end and swept resistance R3 of swept resistance R3, and another road is filter circuit
Signal output part；Another fixing end of the swept resistance R3 is connected with the inverting input of chip LM833.
A kind of above-mentioned ultrasonic range finder, it is characterised in that：The comparison circuit includes chip LM393, the chip
The reverse input end Jing electric capacity C10 of LM393 is connected with the signal output part of filter circuit, the input in the same direction of the chip LM393
Two-way is divided at end, and Jing resistance R12 is connected with+12V DC power output ends all the way, a fixing end of another road and swept resistance R4
Connect；The connection end ground connection of the sliding end of another fixing end and swept resistance R4 of the swept resistance R4, the chip
The outfan of LM393 is connected with one end of inductance L1, the other end point two-way of the inductance L1, is connected with single-chip microcomputer all the way, separately
Connect with one end of bi-directional voltage stabilizing diode UZ1 all the way, the other end ground connection of the bi-directional voltage stabilizing diode UZ1.
A kind of above-mentioned ultrasonic range finder, it is characterised in that：The sound circuit includes chip XFS5152CE.
A kind of above-mentioned ultrasonic range finder, it is characterised in that：The Temperature Humidity Sensor includes DHT11 temperature and humidity sensings
Device.
A kind of above-mentioned ultrasonic range finder, it is characterised in that：The single-chip microcomputer includes STC89C52 single-chip microcomputers.
This utility model has advantages below compared with prior art：
1st, this utility model is by arranging distance measurement mode selecting switch and avoidance mode selection switch, when needing to measured object
When body is found range, manual operation distance measurement mode selecting switch enters distance measurement mode, and single-chip microcomputer is fixed by the second Control
Position module work, realizes the positioning to testee, and manual operation range finding switch completes the range finding of testee；Manual operation
Avoidance mode selection switch enters avoidance pattern, realizes the real time distance to barrier, can effectively carry out avoidance, conveniently make
With, and can reasonable selection, effectively energy saving.
2nd, this utility model passes through to arrange humidity temperature pickup and atmospheric density detection module, respectively to ultrasonic propagation
During the temperature of air, humidity and atmospheric density detected, and the temperature for detecting, humidity and atmospheric density are sent to
Single-chip microcomputer, compensates to ultrasonic propagation velocity, improves the accuracy of ultrasonic ranging.
3rd, this utility model controls ultrasonic emitting by emission driving circuit by arranging emission driving circuit, single-chip microcomputer
Probe transmitting pulse signal, pulse signal contact are reflected in testee or barrier, and ultrasound wave receiving transducer is received
First order amplifying circuit, second level amplifying circuit, filtered electrical are sequentially passed through to after the pulse signal of ultrasonic emitting probe transmitting
The interference of signal after the process of road and comparison circuit, is reduced, and is converted to the range of signal that single-chip microcomputer meets, sent to monolithic
Machine, counts ultrasonic emitting probe launch time by intervalometer and ultrasound wave receiving transducer receives the time difference of time, monolithic
Machine obtains range measurement through process, and circuit is simple, makes range measurement accurate stable.
4th, this utility model, can be by voice broadcast module to range measurement by arranging voice broadcast module and display lamp
Voice broadcast is carried out, also range measurement can be shown by liquid crystal touch screen, it is ensured that range measurement normally can be exported, and just
In checking or understand range measurement.
In sum, this utility model is reasonable in design, simple structure, easy to operate and low cost, and distance measurement mode may be selected
With avoidance pattern, range finding and the real time distance of barrier to testee is realized, applied range improves range finding accuracy,
And can voice broadcast range measurement, it is practical, be easy to promote the use of.
Jing drawings and Examples, are described in further detail to the technical solution of the utility model below.
Description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Circuit theory diagrams of the Fig. 2 for this utility model power module.
Circuit theory diagrams of the Fig. 3 for this utility model emission driving circuit.
Fig. 4 is the circuit connecting relation schematic diagram of this utility model first order amplifying circuit and second level amplifying circuit.
Fig. 5 is the circuit connecting relation schematic diagram of this utility model filter circuit and comparison circuit.
Description of reference numerals:
1-single-chip microcomputer；2-1-emission driving circuit；2-2-ultrasonic emitting probe；
3-1-ultrasound wave receiving transducer；3-2-first order amplifying circuit；3-3-second level amplifying circuit；
3-4-filter circuit；3-5-comparison circuit；4-1-Temperature Humidity Sensor；
4-2-atmospheric density detection module；5-intervalometer；
6-distance measurement mode selecting switch；7-avoidance mode selection switch；8-on and off switch；
9-power module；10-the first relay；11-range finding switch；
12-display lamp；13-wireless communication module；14-liquid crystal touch screen；
15-data storage；16-sound circuit；17-speaker；
18-the second relay；19-locating module.
Specific embodiment
As shown in figure 1, this utility model includes housing, arranges Operation switch on the housing, display lamp 12 and liquid
Brilliant touch screen 14 and the electronic circuit board being arranged in housing, are integrated with single-chip microcomputer 1, ultrasound on the electronic circuit board
Intervalometer 5, data storage 15 and the wireless communication module 13 connected away from module, power module 9 and with single-chip microcomputer 1, it is described
The input of single-chip microcomputer 1 is terminated with Temperature Humidity Sensor 4-1 and atmospheric density detection module 4-2, the output termination of the single-chip microcomputer 1
There are voice broadcast module, the first relay 10 and the second relay 18, the output of second relay 18 is terminated with positioning mould
Block 19, the ultrasonic distance measuring module include ultrasonic emitting module and ultrasound wave receiver module, the ultrasonic emitting module
The ultrasonic emitting probe 2-2 connected including emission driving circuit 2-1 and with emission driving circuit 2-1 outfan, the ultrasound
Ripple receiver module include for wireless receiving ultrasonic emitting pop one's head in 2-2 transmission signals ultrasound wave receiving transducer 3-1 and with it is super
The ultrasound wave receiving processing circuit that acoustic receiver probe 3-1 outfans connect, the ultrasound wave receiving processing circuit are included successively
The first order amplifying circuit 3-2 that connects, second level amplifying circuit 3-3, filter circuit 3-4 and comparison circuit 3-5, the first order
Amplifying circuit 3-2 is connected with ultrasound wave receiving transducer 3-1, the input of emission driving circuit 2-1 and the output of single-chip microcomputer 1
End connects, and the outfan of the comparison circuit 3-5 is connected with the input of single-chip microcomputer 1, and the Operation switch includes on and off switch
8th, range finding switch 11, distance measurement mode selecting switch 6 and avoidance mode selection switch 7, the on and off switch 8 are connected on power module
During 9 are the current supply circuit of the power supply of single-chip microcomputer 1, after the range finding switch 11 and 10 parallel connection of the first relay, power module 9 is connected on
In the current supply circuit powered for emission driving circuit 2-1, the distance measurement mode selecting switch 6 and avoidance mode selection switch 7
Outfan is connected with the input of single-chip microcomputer 1, and the voice broadcast module includes sound circuit 16 and defeated with sound circuit 16
The input for going out the speaker 17 that end connects, the sound circuit 16 and display lamp 12 is connected with the outfan of single-chip microcomputer 1.
As shown in Fig. 2 in the present embodiment, the power module 9 includes chip LM7805, the Vin of the chip LM7805
Pin divides three tunnels, and the anode of Jing resistance R7 and light emitting diode D1 connects all the way, electric capacity C3 another road Jing in parallel and electric capacity C5
Ground connection, the 3rd tunnel is connected with the 1st pin of two end interface P1；The minus earth of the light emitting diode D1, two end interface
The 2nd pin ground connection of P1, three tunnels of Vout pins point of the chip LM7805, electric capacity C8 Jing in parallel and electric capacity C4 connect all the way
Ground, electric capacity C6 and C8 ground connection another road Jing in parallel, the 3rd tunnel is+5V DC power output ends.
As shown in figure 3, in the present embodiment, emission driving circuit 2-1 includes chip NE555, the chip NE555's
Two-way is divided in the connection end of the 2nd pin and the 6th pin, all the way Jing electric capacity C13 ground connection, and another road is connected with one end of resistance R16；Institute
The 4th pin for stating chip NE555 is connected with single-chip microcomputer 1, and the 5th of the chip NE555 draws foot meridian capacitor C14 ground connection, the core
7th pin of piece NE555 point two-way, is connected with the other end of resistance R16 all the way, a fixation of another road and swept resistance R5
End；3rd pin of the chip NE555 is connected with one end of resistance R18, the other end point two-way of the resistance R18, all the way Jing
Resistance R17 is connected with the connection end of the sliding end of another fixing end and swept resistance R5 of swept resistance R5, another Lu Weifa
Penetrate the signal output part of drive circuit 2-1；
The ultrasonic emitting probe 2-2 is ultrasonic emitting probe LS1, one end of the ultrasonic emitting probe LS1
Connect with the signal output part of emission driving circuit 2-1, the other end ground connection of the ultrasonic emitting probe LS1.
As shown in figure 4, in the present embodiment, the ultrasound wave receiving transducer 3-1 is ultrasound wave receiving transducer LS2；
The first order amplifying circuit 3-2 includes the chip OP1 of model OP07, the in-phase input end of the chip OP1
Jing resistance R10 is grounded, resistance R6 and electric capacity C1 and ultrasound wave receiving transducer that the inverting input of the chip OP1 is concatenated
One end of LS2 connects, the outfan point two-way of the chip OP1, all the way the fixing end and the electricity that slides with swept resistance R1
The connection end of the sliding end of resistance R1 connects, signal output part of another road for first order amplifying circuit 3-2；The swept resistance R1
Another fixing end connect with the inverting input of chip OP1；
Second level amplifying circuit 3-3 includes the chip OP2 of model OP07, and the in-phase input end Jing of the chip OP2 is electric
Resistance R11 ground connection, resistance R9 that the inverting input of the chip OP2 is concatenated and electric capacity C2 and first order amplifying circuit 3-2's
Signal output part connects, the outfan point two-way of the chip OP2, all the way the fixing end and the electricity that slides with swept resistance R2
The connection end of the sliding end of resistance R2 connects, signal output part of another road for second level amplifying circuit 3-3；The swept resistance R2
Another fixing end connect with the inverting input of chip OP2.
As shown in figure 5, in the present embodiment, the filter circuit 3-4 includes chip LM833, the homophase of the chip LM833
Input point two-way, is connected with one end of resistance R15 all the way, another road Jing electric capacity C11 ground connection；The other end of the resistance R15
Divide two-way, all the way Jing electric capacity C12 ground connection, another road Jing resistance R14 is connected with the signal output part of second level amplifying circuit 3-3；
The inverting input Jing resistance R13 ground connection of the chip LM833, the outfan point two-way of the chip LM833, all the way with slip
The connection end of the sliding end of one fixing end and swept resistance R3 of resistance R3 connects, signal of another road for filter circuit 3-4
Outfan；Another fixing end of the swept resistance R3 is connected with the inverting input of chip LM833.
As shown in figure 5, in the present embodiment, the comparison circuit 3-5 includes chip LM393, the chip LM393's is reverse
Input Jing electric capacity C10 is connected with the signal output part of filter circuit 3-4, the input in the same direction point two-way of the chip LM393,
Jing resistance R12 is connected with+12V DC power output ends all the way, and another road is connected with a fixing end of swept resistance R4；It is described
The connection end ground connection of the sliding end of another fixing end and swept resistance R4 of swept resistance R4, the output of the chip LM393
End connects with one end of inductance L1, and the other end of the inductance L1 divides two-way, connects with single-chip microcomputer 1 all the way, another road with it is two-way
One end of Zener diode UZ1 connects, the other end ground connection of the bi-directional voltage stabilizing diode UZ1.
In the present embodiment, the sound circuit 16 includes chip XFS5152CE.
In the present embodiment, the Temperature Humidity Sensor 4-1 includes DHT11 Temperature Humidity Sensors.
In the present embodiment, the single-chip microcomputer 1 includes STC89C52 single-chip microcomputers.
When this utility model is used, 8 are turned on the power switch, power module 9 is that single-chip microcomputer 1 provides power supply, and single-chip microcomputer 1 is entered
Working condition, when needing to find range testee, manual operation distance measurement mode selecting switch 6 enters distance measurement mode, single
Piece machine 1 controls locating module 19 by the second relay 18 and works, and realizes the positioning to object to be detected, and manual operation range finding is opened
11 are closed, power module 9 is powered for emission driving circuit 2-1, meanwhile, single-chip microcomputer 1 controls ultrasound wave by emission driving circuit 2-1
Transmitting probe 2-2 launches pulse signal, and pulse signal is reflected when touching testee, and ultrasound wave receiving transducer 3-1 connects
First order amplifying circuit 3-2, second level amplifying circuit are sequentially passed through after the pulse signal for receiving ultrasonic emitting probe 2-2 transmittings
The interference of signal after the process of 3-3, filter circuit 3-4 and comparison circuit 3-5, is reduced, and is converted to the signal that single-chip microcomputer 1 meets
Scope, sends to single-chip microcomputer 1, counts ultrasonic emitting probe 2-2 launch times and ultrasound wave receiving transducer 3- by intervalometer 5
1 time difference for receiving the time, single-chip microcomputer 1 obtain range measurement through process, and single-chip microcomputer 1 passes through 16 controlling loudspeaker of sound circuit
17 carry out voice broadcast range measurement, and the control liquid crystal touch screen 14 of single-chip microcomputer 1 is shown to the spacing of testee, is easy to
Range measurement is checked and understands, meanwhile, single-chip microcomputer 1 is synchronous to be stored in range measurement in data storage 15, is easy to follow-up system
Meter and analysis, circuit are simple；When avoidance is needed, manual operation avoidance mode selection switch 7 enters avoidance pattern, by liquid crystal
Touch screen 14 presets avoidance distance threshold, and single-chip microcomputer 1 controls the second relay 10 and works, and emission driving circuit 2-1 is entered
Working condition, single-chip microcomputer 1 control ultrasonic emitting probe 2-2 real time emission pulse signals, pulse by emission driving circuit 2-1
Signal is reflected when touching barrier, and ultrasound wave receiving transducer 3-1 receives the pulse of ultrasonic emitting probe 2-2 transmittings
First order amplifying circuit 3-2, second level amplifying circuit 3-3, filter circuit 3-4 and comparison circuit 3-5 are sequentially passed through after signal
After process, and the range of signal that single-chip microcomputer 1 meets is converted to, is sent to single-chip microcomputer 1, ultrasonic emitting is counted by intervalometer 5
Probe 2-2 launch times and ultrasound wave receiving transducer 3-1 receive the time difference of time, and 1 real-time processing of single-chip microcomputer obtains barrier
Distance, single-chip microcomputer 1 carries out voice broadcast spacing by 16 controlling loudspeaker 17 of sound circuit, and the control liquid crystal of single-chip microcomputer 1 is touched
The spacing for touching 14 pairs of barriers of screen is shown that the distance of the barrier for receiving is kept away by single-chip microcomputer 1 with set in advance in real time
Barrier distance threshold is compared, when the distance of the barrier for receiving is less than avoidance distance threshold set in advance by single-chip microcomputer 1
When, the control display lamp 12 of single-chip microcomputer 1 carries out flash for prompting, realizes the real-time detection to barrier, can effectively carry out avoidance,
Convenient use, and can reasonable selection, effectively energy saving.
The above, is only preferred embodiment of the present utility model, not this utility model is imposed any restrictions, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. a kind of ultrasonic range finder, it is characterised in that：Including housing, Operation switch on the housing, display lamp are set
(12) and liquid crystal touch screen (14) and the electronic circuit board being arranged in housing, single-chip microcomputer is integrated with the electronic circuit board
(1), ultrasonic distance measuring module, power module (9) and the intervalometer (5) connected with single-chip microcomputer (1), data storage (15) and
Wireless communication module (13), the input of the single-chip microcomputer (1) are terminated with Temperature Humidity Sensor (4-1) and atmospheric density detection module
(4-2), the output of the single-chip microcomputer (1) is terminated with voice broadcast module, the first relay (10) and the second relay (18), institute
The output for stating the second relay (18) is terminated with locating module (19), and the ultrasonic distance measuring module includes ultrasonic emitting module
With ultrasound wave receiver module, the ultrasonic emitting module include emission driving circuit (2-1) and with emission driving circuit (2-1)
Ultrasonic emitting probe (2-2) that outfan connects, the ultrasound wave receiver module are included for wireless receiving ultrasonic emitting
The ultrasound wave receiving transducer (3-1) and the ultrasound connected with ultrasound wave receiving transducer (3-1) outfan of probe (2-2) transmission signal
Ripple receiving processing circuit, the ultrasound wave receiving processing circuit include first order amplifying circuit (3-2), the second level for connecting successively
Amplifying circuit (3-3), filter circuit (3-4) and comparison circuit (3-5), the first order amplifying circuit (3-2) are connect with ultrasound wave
Receive probe (3-1) to connect, the input of the emission driving circuit (2-1) is connected with the outfan of single-chip microcomputer (1), the comparison
The outfan of circuit (3-5) is connected with the input of single-chip microcomputer (1), and the Operation switch includes on and off switch (8), range finding switch
(11), distance measurement mode selecting switch (6) and avoidance mode selection switch (7), the on and off switch (8) are connected on power module
(9), in the current supply circuit powered for single-chip microcomputer (1), after range finding switch (11) and the first relay (10) parallel connection, it is connected on electricity
In the current supply circuit that source module (9) is powered for emission driving circuit (2-1), the distance measurement mode selecting switch (6) and avoidance mould
The outfan of formula selecting switch (7) is connected with the input of single-chip microcomputer (1), and the voice broadcast module includes sound circuit
(16) speaker (17) for and with sound circuit (16) outfan connecting, the input of the sound circuit (16) and display lamp (12)
End is connected with the outfan of single-chip microcomputer (1).
2. according to a kind of ultrasonic range finder described in claim 1, it is characterised in that：The power module (9) is including chip
The Vin pins of LM7805, the chip LM7805 divide three tunnels, and the anode of Jing resistance R7 and light emitting diode D1 connects all the way, separately
Electric capacity C3 Jing in parallel and electric capacity C5 is grounded all the way, and the 3rd tunnel is connected with the 1st pin of two end interface P1；The light emitting diode
The minus earth of D1, the 2nd pin ground connection of the two end interfaces P1, three tunnels of Vout pins point of the chip LM7805, all the way
Electric capacity C8 Jing in parallel and electric capacity C4 ground connection, electric capacity C6 and C8 ground connection another road Jing in parallel, the 3rd tunnel is that+5V DC sources are defeated
Go out end.
3. according to a kind of ultrasonic range finder described in claim 1 or 2, it is characterised in that：The emission driving circuit (2-1)
Including chip NE555, two-way is divided in the connection end of the 2nd pin and the 6th pin of the chip NE555, and Jing electric capacity C13 connects all the way
Ground, another road is connected with one end of resistance R16；4th pin of the chip NE555 is connected with single-chip microcomputer (1), the chip
Foot meridian capacitor C14 ground connection is drawn in the 5th of NE555, and the 7th pin point two-way of the chip NE555 is another with resistance R16 all the way
End connects, a fixing end of another road and swept resistance R5；3rd pin of the chip NE555 and one end phase of resistance R18
Connect, the other end point two-way of the resistance R18, all the way another fixing end of Jing resistance R17 and swept resistance R5 and the electricity that slides
The connection end of the sliding end of resistance R5 connects, signal output part of another road for emission driving circuit (2-1)；
Ultrasonic emitting probe (2-2) is ultrasonic emitting probe LS1, one end of the ultrasonic emitting probe LS1 with
The signal output part of emission driving circuit (2-1) connects, the other end ground connection of the ultrasonic emitting probe LS1.
4. according to a kind of ultrasonic range finder described in claim 1 or 2, it is characterised in that：Ultrasound wave receiving transducer (the 3-
1) it is ultrasound wave receiving transducer LS2；
Chip OP1 of the first order amplifying circuit (3-2) including model OP07, the in-phase input end Jing of the chip OP1
Resistance R10 is grounded, resistance R6 and electric capacity C1 and ultrasound wave receiving transducer LS2 that the inverting input of the chip OP1 is concatenated
One end connect, the outfan of the chip OP1 point two-way, the fixing end and swept resistance R1 with swept resistance R1 all the way
The connection end of sliding end connect, signal output part of another road for first order amplifying circuit (3-2)；The swept resistance R1's
Another fixing end is connected with the inverting input of chip OP1；
The in-phase input end Jing resistance of chip OP2 of the second level amplifying circuit (3-3) including model OP07, the chip OP2
R11 is grounded, resistance R9 and electric capacity C2 and first order amplifying circuit (3-2) that the inverting input of the chip OP2 is concatenated
Signal output part connects, the outfan point two-way of the chip OP2, all the way the fixing end and the electricity that slides with swept resistance R2
The connection end of the sliding end of resistance R2 connects, signal output part of another road for second level amplifying circuit (3-3)；The swept resistance
Another fixing end of R2 is connected with the inverting input of chip OP2.
5. according to a kind of ultrasonic range finder described in claim 4, it is characterised in that：The filter circuit (3-4) is including core
The in-phase input end of piece LM833, the chip LM833 point two-way, is connected with one end of resistance R15 all the way, another road Jing electric capacity
C11 is grounded；The other end of the resistance R15 divides two-way, all the way Jing electric capacity C12 ground connection, and another road Jing resistance R14 is put with the second level
The signal output part of big circuit (3-3) connects；The inverting input Jing resistance R13 ground connection of the chip LM833, the chip
The outfan of LM833 divides two-way, all the way the connection end with the sliding end of a fixing end and swept resistance R3 of swept resistance R3
Connect, signal output part of another road for filter circuit (3-4)；Another fixing end and chip of the swept resistance R3
The inverting input of LM833 connects.
6. according to a kind of ultrasonic range finder described in claim 5, it is characterised in that：The comparison circuit (3-5) is including core
The reverse input end Jing electric capacity C10 of piece LM393, the chip LM393 is connected with the signal output part of filter circuit (3-4), institute
State the input in the same direction point two-way of chip LM393, Jing resistance R12 connects with+12V DC power output ends all the way, another road and
One fixing end of swept resistance R4 connects；The sliding end of another fixing end and swept resistance R4 of the swept resistance R4
Connection end is grounded, and the outfan of the chip LM393 is connected with one end of inductance L1, the other end point two-way of the inductance L1,
Connect with single-chip microcomputer (1) all the way, another road is connected with one end of bi-directional voltage stabilizing diode UZ1, the bi-directional voltage stabilizing diode UZ1
The other end ground connection.
7. according to a kind of ultrasonic range finder described in claim 1 or 2, it is characterised in that：The sound circuit (16) includes
Chip XFS5152CE.
8. according to a kind of ultrasonic range finder described in claim 1 or 2, it is characterised in that：The Temperature Humidity Sensor (4-1)
Including DHT11 Temperature Humidity Sensors.
9. according to a kind of ultrasonic range finder described in claim 1 or 2, it is characterised in that：The single-chip microcomputer (1) includes
STC89C52 single-chip microcomputers.
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| CN201621184949.2U CN206114897U (en) | 2016-10-28 | 2016-10-28 | Ultrasonic ranging meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621184949.2U CN206114897U (en) | 2016-10-28 | 2016-10-28 | Ultrasonic ranging meter |
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| CN206114897U true CN206114897U (en) | 2017-04-19 |
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| CN108020829A (en) * | 2017-12-08 | 2018-05-11 | 黑龙江省科学院自动化研究所 | A kind of avoiding obstacles by supersonic wave detection circuit |
| CN108196257A (en) * | 2018-03-13 | 2018-06-22 | 深圳市枫芒科技有限公司 | Ultrasonic type article detection device and detection method |
| CN108445494A (en) * | 2018-04-13 | 2018-08-24 | 深圳臻迪信息技术有限公司 | Ultrasonic wave transmitting circuit and Ultrasonic ranging device |
| CN109149720A (en) * | 2018-10-02 | 2019-01-04 | 深圳市华君科技有限公司 | A kind of wireless vehicle mounted charging system of ultrasonic sensing |
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| CN111352114A (en) * | 2018-12-20 | 2020-06-30 | 广东美的环境电器制造有限公司 | Control method and device for electrical equipment, electrical equipment and storage medium |
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| CN116299485A (en) * | 2023-05-16 | 2023-06-23 | 航天极创物联网研究院(南京)有限公司 | Ultrasonic sensor with high structural integration level |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108020829A (en) * | 2017-12-08 | 2018-05-11 | 黑龙江省科学院自动化研究所 | A kind of avoiding obstacles by supersonic wave detection circuit |
| CN108196257A (en) * | 2018-03-13 | 2018-06-22 | 深圳市枫芒科技有限公司 | Ultrasonic type article detection device and detection method |
| CN108445494A (en) * | 2018-04-13 | 2018-08-24 | 深圳臻迪信息技术有限公司 | Ultrasonic wave transmitting circuit and Ultrasonic ranging device |
| CN109149720A (en) * | 2018-10-02 | 2019-01-04 | 深圳市华君科技有限公司 | A kind of wireless vehicle mounted charging system of ultrasonic sensing |
| CN111352114A (en) * | 2018-12-20 | 2020-06-30 | 广东美的环境电器制造有限公司 | Control method and device for electrical equipment, electrical equipment and storage medium |
| CN110681133A (en) * | 2019-10-31 | 2020-01-14 | 北京工业大学 | Bimodal control method for table tennis ball picking robot |
| CN110794408A (en) * | 2019-11-14 | 2020-02-14 | 四川千行你我科技股份有限公司 | Displacement detection device and method for railway contact network |
| CN112569091A (en) * | 2020-12-03 | 2021-03-30 | 桂林航天工业学院 | Intelligent blind guiding walking stick |
| CN116299485A (en) * | 2023-05-16 | 2023-06-23 | 航天极创物联网研究院(南京)有限公司 | Ultrasonic sensor with high structural integration level |
| CN116299485B (en) * | 2023-05-16 | 2023-12-26 | 航天极创物联网研究院(南京)有限公司 | Ultrasonic sensor with high structural integration level |
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