CN209281500U - A kind of ultrasonic intelligent gate inhibition survey people's sensor - Google Patents
A kind of ultrasonic intelligent gate inhibition survey people's sensor Download PDFInfo
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- CN209281500U CN209281500U CN201920016550.0U CN201920016550U CN209281500U CN 209281500 U CN209281500 U CN 209281500U CN 201920016550 U CN201920016550 U CN 201920016550U CN 209281500 U CN209281500 U CN 209281500U
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Abstract
The utility model discloses a kind of ultrasonic intelligent gate inhibitions to survey people's sensor, including complete product ontology, ultrasonic probe, power connector end mouth, shielding line, shielding case upper casing, shielding case lower casing, control circuit board and main control MCU, the complete product is set inside the body control circuit board, the rear portion of the control circuit board is connected with ultrasonic probe by shielding line, the front of the control circuit board is electrically connected with power connector end mouth, the top and bottom of the complete product ontology are connected separately with shielding case upper casing and shielding case lower casing by screw thread, the inside of the control circuit board is equipped with main control MCU.Ultrasonic intelligent gate inhibition surveys people's sensor, realizes and automatically turns on the movement of the intelligent recognitions such as camera, and complete product ontology is flexibly fitted in various intelligent access control systems and used, and can carry out automatic identification and accurate measurement close to gate inhibition to various crowds；Closed watertight transducer, detection human body distance is remote, and angle is big, strong antijamming capability, low in energy consumption, at low cost.
Description
Technical field
The utility model relates to intelligent entrance guard technical field, specially a kind of ultrasonic intelligent gate inhibition surveys people's sensor.
Background technique
Intelligent entrance guard safety management system is new-modernization safety management system, it collects microcomputer automatic identification technology and shows
It is integrated for Safety Management Measures, it is related to electronics, mechanical, optics, computer technology, mechanics of communication, and biotechnology etc. is many
New technology, it is the effective measures for solving important department entrance and realizing safety precaution management, is applicable in various confidential departments.
Mobile human body can only be detected using pyroelectric infrared sensor at present, not can be carried out range measurement, the spirit of measurement
Sensitivity is influenced by ambient temperature；Infrared light distance measuring sensor is the measurement method by infrared ray for medium, by ambient light shadow
It rings, the clothes Color influences worn by examined human body；The principle of infrared emission inductor is infrared close to blocking by human body
Light makes reception pipe not receive reciprocal signal, is judged as that someone enters range, this mode installs complexity, cannot predict in advance
People is close；Ultrasonic listening module scheme is most suitable selection at present, but there is also many deficiencies: the surface color of probe
The single influence product appearance of technique, sensitivity is inadequate, and measurement people is not sufficiently stable；Velocity of wave angle is uncontrolled, and measurement angle cannot be adapted to
Various installation scenarios are easy to produce erroneous judgement；Anti-interference ability deviation, the course of work are easy to be passed by the electronics inside access control system
It leads and radiation interference, power supply and camera interference is the most obvious.The stability of the prior art is limited, and fails to be adapted to various set
Reach stable under standby and environment.
In view of the problems of the existing technology, to survey people dedicated by a kind of ultrasonic intelligent gate inhibition of being designed to provide of this product
Sensor.This product Intelligent hardware and software algorithm combination technology overcome the deficiency in the prior art.Energy band is to user
Completely new intelligent experience, product cost is high, overcomes the situation that existing product has a single function on the market, can effectively substitute market
The sensor of detecting distance in upper intelligent access control system.
Utility model content
(1) the technical issues of solving
The purpose of this utility model is to provide a kind of ultrasonic intelligent gate inhibitions to survey people's sensor, solves in background technique
The problem of proposed.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of ultrasonic intelligent gate inhibition
Survey people's sensor, including complete product ontology, ultrasonic probe, power connector end mouth, shielding line, shielding case upper casing, shielding case
Lower casing, control circuit board and main control MCU, the complete product are set inside the body control circuit board, the control circuit board
Rear portion be connected with ultrasonic probe by shielding line, the front of the control circuit board is electrically connected with power connector end mouth,
The top and bottom of the complete product ontology are connected separately with shielding case upper casing and shielding case lower casing, the control by screw thread
The inside of circuit board be equipped with main control MCU, the main control MCU be unidirectionally electrically connected with driving circuit, blind area curve suppression circuit and
Amplify amount control circuit, the blind area curve suppression circuit and amplification amount control circuit are unidirectionally electrically connected with signal and receive electricity
Road, the signal receiving circuit are unidirectionally electrically connected with signal acquisition circuit, the main control MCU and electric power management circuit, output
The two-way electric connection of interface circuit.
Preferably, the inside of the signal acquisition circuit is equipped with temperature information collector and interference information collector, described
Signal acquisition circuit is unidirectionally electrically connected at main control MCU.
Preferably, the supply district of the electric power management circuit be direct current 3.3V to 5V, the output interface circuit it is interior
Portion includes RS232, UART, PWM interface.
Preferably, the ultrasonic probe is electrically connected at driving circuit, and the innermost insert of the ultrasonic probe has close
Seal.
Preferably, the side of the shielding case upper casing and shielding case lower casing is welded with mounting plate, the mounting plate it is interior
Part is furnished with threaded hole.
(3) beneficial effect
The utility model provides a kind of ultrasonic intelligent gate inhibition survey people's sensor.Have it is following the utility model has the advantages that
Ultrasonic intelligent gate inhibition surveys people's sensor, and complete product ontology is applied to close super of intelligent entrance guard detection human body
Sound wave sensor special, complete product ontology are mounted in intelligent access control system, alignment front detection, to the people close to gate inhibition
Body carries out far and near distance inspection, directly exports stable distance value according to testing result, in advance provides the close information of someone
It to access controller, realizes and automatically turns on the movement of the intelligent recognitions such as camera, complete product ontology flexibly fits in various intelligence
It is used in access control system, automatic identification and accurate measurement can be carried out close to gate inhibition to various crowds；Ultrasonic probe is using closing
Formula watertight transducer, detection human body distance is remote, and angle is big, and adaptive environment is controllable, shielding line and shield enclosure anti-interference ability
By force, low in energy consumption, it is at low cost.
Detailed description of the invention
Fig. 1 is the overall structure diagram that a kind of ultrasonic intelligent gate inhibition of the utility model surveys people's sensor；
Fig. 2 is the ultrasonic probe structural schematic diagram that a kind of ultrasonic intelligent gate inhibition of the utility model surveys people's sensor；
Fig. 3 is the explosion detaching structure schematic diagram that a kind of ultrasonic intelligent gate inhibition of the utility model surveys people's sensor；
Fig. 4 is the system structure diagram that a kind of ultrasonic intelligent gate inhibition of the utility model surveys people's sensor.
In figure: complete product ontology -1, ultrasonic probe -2, power connector end mouth -3, shielding line -4, shielding case upper casing -
5, shielding case lower casing -6, control circuit board -7.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model embodiment provides a kind of technical solution: a kind of ultrasonic intelligent gate inhibition survey people's biography
Under sensor, including complete product ontology 1, ultrasonic probe 2, power connector end mouth 3, shielding line 4, shielding case upper casing 5, shielding case
The inside of shell 6, control circuit board 7 and main control MCU, the complete product ontology 1 is equipped with control circuit board 7, the control circuit
The rear portion of plate 7 is connected with ultrasonic probe 2 by shielding line 4, and the front of the control circuit board 7 is electrically connected with power supply connection
The top and bottom of port 3, the complete product ontology 1 are connected separately with shielding case upper casing 5 and shielding case lower casing by screw thread
6, the inside of the control circuit board 7 is equipped with main control MCU, and the main control MCU is unidirectionally electrically connected with driving circuit, blind area curve
Suppression circuit and amplification amount control circuit, the blind area curve suppression circuit and amplification amount control circuit are unidirectionally electrically connected with
Signal receiving circuit, the signal receiving circuit are unidirectionally electrically connected with signal acquisition circuit, the main control MCU and power management
The two-way electric connection of circuit, output interface circuit.
The inside of the signal acquisition circuit is equipped with temperature information collector and interference information collector, the signal acquisition
Circuit is unidirectionally electrically connected at main control MCU, completes the acquisition to temperature collection, interference signal, the processing of echo-signal, so
After be transmitted to main control MCU, complete temperature-compensating, signal monitored, realize that noise is adaptive.
The supply district of the electric power management circuit is direct current 3.3V to 5V, and the inside of the output interface circuit includes
RS232, UART, PWM interface, realize anti-reverse, electrostatic protection of powering, and automatic power consumption control is completed and gate inhibition's mainboard device number
According to communication.
The ultrasonic probe 2 is electrically connected at driving circuit, and the innermost insert of the ultrasonic probe 2 has sealing ring,
Transmitting is completed in the detection process and receives ultrasonic wave, and popping one's head in is closed waterproof technology, and degree of protection is high, and detecting head surface can
It is adapted to appearance requirement to be oxidized to various colors, makes probe that mounting means can be adjusted flexibly while can guarantee not done
It disturbs.
The side of the shielding case upper casing 5 and shielding case lower casing 6 is welded with mounting plate, the inside distribution of the mounting plate
There is threaded hole, is easily installed disassembly, it is easy to use.
Working principle: blind area curve suppression circuit completes the control of blind area aftershock, realizes small blind area measurement, and signal receives electricity
Road and amplification amount control circuit complete the amplification of echo-signal, signal control, angle control, anti-interference and filtering processing, make to surpass
The electric signal of acoustic wave energy conversion is easier to be identified, and main control MCU is the processing core of module, connection front and back terminal circuit, and processing is each
Kind signal calculates measurement result, control product operation；
Workflow is as follows:
A. it is powered by external dc, by electric power management circuit to anti-reverse protection of powering, electrostatic protection is distributed to its complete machine
Power supply simultaneously coordinates power consumption, and main control MCU initialization starts；
B. the arrival for waiting access control equipment end trigger signal receives trigger signal and enters in next step；
C. signal acquisition circuit works, and is acquired to the temperature in environment, interference strength signal, is then passed to master control
MCU processing, as temperature-compensating, signal is monitored, and realizes the adaptive foundation of noise；
D. main control MCU matches auto-adaptive parameter according to the signal of acquisition；
E. main control MCU starting blind area suppression circuit is started to work；
F. main control MCU issues center probe frequency pulse, control driving circuit driving ultrasonic probe work；
G. the ultrasonic wave emitted is constantly propagated forward using air as medium, and when checking, someone is close to generate reflection, sound
Wave returns to transmitting terminal, and echo-signal is received by ultrasonic probe；
H. signal receiving circuit and the amplification amount control circuit carry out echo to send out big, frequency-selecting, filtration treatment, then
It is supplied to main control MCU；
I. if not detecting people in the process, main control MCU can constantly adjust amplification amount control circuit, adjust intelligent screening
Algorithm adapts to complex environment to improve the stability of detection people；
J. main control MCU carries out Multiple recognition to the signal received and optimization calculates, and extracts correct echo；
K. echo time and temperature information are converted to distance value data by backoff algorithm and velocity of sound relationship by main control MCU；
L. main control MCU is given to gate inhibition according to information datas such as the agreement output distance values of agreement by output interface circuit
Equipment end；
M. main control MCU handles low-power consumption, waits the triggering of access control equipment end next time, enters step b.
The complete product ontology 1 of the utility model, ultrasonic probe 2, power connector end mouth 3, shielding line 4, on shielding case
Shell 5, shielding case lower casing 6, control circuit board 7, component are universal standard part or component as known to those skilled in the art, knot
Structure and principle are all that this technology personnel can be learnt by technical manual or be known by routine experiment method, the utility model solution
Certainly the problem of is that pyroelectric infrared sensor can only detect mobile human body, not can be carried out range measurement, the sensitivity of measurement by
Ambient temperature effect does not receive reciprocal signal, and there are many deficiencies, stability is limited, fail to be adapted to various equipment and
Reach the problems such as stable under environment, the utility model is combined with each other by above-mentioned component, and ultrasonic intelligent gate inhibition surveys people and passes
Sensor, complete product ontology are applied to the close ultrasonic wave sensor special of intelligent entrance guard detection human body, complete product ontology peace
In intelligent access control system, the detection of alignment front carries out far and near distance inspection to the human body close to gate inhibition, is tied according to detection
Fruit directly exports stable distance value, and the close information of someone is supplied to access controller in advance, realizes and automatically turns on camera shooting
First-class intelligent recognition movement, complete product ontology are flexibly fitted in various intelligent access control systems and are used, can connect to various crowds
Nearly gate inhibition carries out automatic identification and accurate measurement；Ultrasonic probe uses closed watertight transducer, and detection human body distance is remote, angle
Greatly, adaptive environment is controllable, shielding line and shield enclosure strong antijamming capability, low in energy consumption, at low cost.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of ultrasonic intelligent gate inhibition surveys people's sensor, it is characterised in that: including complete product ontology (1), ultrasonic probe
(2), power connector end mouth (3), shielding line (4), shielding case upper casing (5), shielding case lower casing (6), control circuit board (7) and master control
The inside of MCU, the complete product ontology (1) are equipped with control circuit board (7), and the rear portion of the control circuit board (7) is by screen
Line (4) to be covered to be connected with ultrasonic probe (2), the front of the control circuit board (7) is electrically connected with power connector end mouth (3),
The top and bottom of the complete product ontology (1) are connected separately with shielding case upper casing (5) and shielding case lower casing by screw thread
(6), the inside of the control circuit board (7) is equipped with main control MCU, and the main control MCU is unidirectionally electrically connected with driving circuit, blind area
Curve suppression circuit and amplification amount control circuit, the blind area curve suppression circuit and amplification amount control circuit unidirectionally electrically connect
It is connected to signal receiving circuit, the signal receiving circuit is unidirectionally electrically connected with signal acquisition circuit, the main control MCU and power supply
Manage circuit, the two-way electric connection of output interface circuit.
2. a kind of ultrasonic intelligent gate inhibition according to claim 1 surveys people's sensor, it is characterised in that: the signal acquisition
The inside of circuit is equipped with temperature information collector and interference information collector, and the signal acquisition circuit is unidirectionally electrically connected at master
Control MCU.
3. a kind of ultrasonic intelligent gate inhibition according to claim 1 surveys people's sensor, it is characterised in that: the power management
The supply district of circuit is direct current 3.3V to 5V, and the inside of the output interface circuit includes RS232, UART, PWM interface.
4. a kind of ultrasonic intelligent gate inhibition according to claim 1 surveys people's sensor, it is characterised in that: the ultrasonic wave is visited
Head (2) is electrically connected at driving circuit, and the innermost insert of the ultrasonic probe (2) has sealing ring.
5. a kind of ultrasonic intelligent gate inhibition according to claim 1 surveys people's sensor, it is characterised in that: on the shielding case
The side of shell (5) and shielding case lower casing (6) is welded with mounting plate, and threaded hole is distributed in the inside of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920016550.0U CN209281500U (en) | 2019-01-07 | 2019-01-07 | A kind of ultrasonic intelligent gate inhibition survey people's sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920016550.0U CN209281500U (en) | 2019-01-07 | 2019-01-07 | A kind of ultrasonic intelligent gate inhibition survey people's sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209281500U true CN209281500U (en) | 2019-08-20 |
Family
ID=67605199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920016550.0U Active CN209281500U (en) | 2019-01-07 | 2019-01-07 | A kind of ultrasonic intelligent gate inhibition survey people's sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209281500U (en) |
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2019
- 2019-01-07 CN CN201920016550.0U patent/CN209281500U/en active Active
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