CN107678070A - A kind of static human infrared identification detector - Google Patents
A kind of static human infrared identification detector Download PDFInfo
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- CN107678070A CN107678070A CN201711137296.1A CN201711137296A CN107678070A CN 107678070 A CN107678070 A CN 107678070A CN 201711137296 A CN201711137296 A CN 201711137296A CN 107678070 A CN107678070 A CN 107678070A
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
- G01J2005/123—Thermoelectric array
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Abstract
The present invention discloses a kind of static human infrared identification detector, including infrared array sensor, control unit, the infrared array sensor is connected with each other with control unit and transmits detection signal, the detection angles that the infrared array sensor is set are downward 60 ° of angles of sector, and detecting distance is 8 meters.The present invention passes through infrared array sensor technology, it is interior at the regional level effectively to distinguish people and inhuman thermal source, go to identify whether someone, someone or unmanned signal can be transmitted to controller by UART communications simultaneously, controller touch relay switching indicator lamp be Push And Release, reach prompting whether the state of someone.
Description
Technical field
The present invention relates to detector field, and in particular to a kind of static human infrared identification detector.
Background technology
What most in the market checked human bioequivalence at present is human body proximity sensor mostly, and the sensor is with micro- mostly
Based on ripple doppler principle, planar antenna makees induction system, a kind of inductor for making to control with microprocessor.Human body proximity
Sensor is largely with the transmitting of 10.525GHz microwave frequencies, received, and complete machine key componentses are import device, and scheme is set
Meter, selector ensure that product reliability.Using non-contact detection, stable performance, life-span tall sensor be not by temperature, wet
Degree, noise, air-flow, dust, light etc. influence, and are adapted to adverse circumstances.Anti- Radio frequency interference ability is strong, penetration capacity is strong.But people
Body proximity transducer penetrability is stronger, we in inspection area (such as some room) whether someone when, probably due to penetrating
Property, outside region someone may flase drop find.And the formal check of microwave change is to human body, but actionless people is
Check less than.
In view of drawbacks described above, creator of the present invention obtains the present invention finally by prolonged research and practice.
The content of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, there is provided a kind of static human infrared identification
Detector, including infrared array sensor, control unit, the infrared array sensor are connected with each other simultaneously with control unit
Transmit detection signal, the detection angles that the infrared array sensor is set are downward 60 ° of angles of sector, detecting distance 8
Rice；The infrared ray array sensor is provided with a first circuit board, and the circuit board is provided with a power module, the power module
Connected with the input of positive low pressure voltage-stablizer, output end multiple capacitance modules in parallel of the positive low pressure voltage-stablizer；Institute
State first circuit board and be additionally provided with one first paster plucking number sign switch, the first paster plucking number sign switch is also associated with an infrared sensing
Device, the infrared sensor include a singlechip chip, and people and inhuman thermal source are distinguished and by institute by the singlechip chip
State thermal source and be converted into rule value.
Preferably, the infrared sensor is AMG8851 sensors.
Preferably, the first circuit board also includes a MCU processors, the MCU processors are by the singlechip chip
The rule value of transmission is converted into signal value.
Preferably, the infrared array sensor transmits signals to institute by CSMA/CD and with 10M/S speed
State control unit.
Preferably, described control unit includes telephony interface, the both sides of the telephony interface are respectively equipped with a power interface
With a network interface；The power interface connects a former power supply, a power supply indicator and a first processor, first processing
Device, which is connected with, connects a RS485 transceivers and the first relay and the second relay, first relay and described second after
The both ends of electrical equipment are connected respectively to a detection indicator lamp, and the network interface is also connected with an ethernet transceiver.
Preferably, the detection indicator lamp accesses former power supply, the live wire of the power supply is to separate two sections, and difference is in parallel even
It is connected on the both ends of first relay and second relay.
Preferably, the infrared array sensor is connected with the telephony interface.
Preferably, the network interface is also connected to interchanger, forward a signal in LAN.
Preferably, when the signal that the controller receives is someone's signal, relay does closed procedure, indicator lamp
It is bright that power supply forms closure lamp；When the signal that the controller receives is unmanned signal, relay does unlatching operation, indicator lamp
Power supply separates lamp and gone out.
Preferably, when the signal received of the controller has any and previous signal inconsistent, relay all can
Switched at any time according to signal, while detect indicator lamp and be also switched in real time.
Compared with the prior art the beneficial effects of the present invention are：1, simple in construction, easy to operate, use range of the invention
Extensively.2, static people, prevents missing inspection in the recognizable region of the present invention, in order to improve discrimination 3, the present invention can also distinguish people and
Inhuman thermal source, flase drop is prevented, further improves discrimination and calibration rate.4, the present invention passes through infrared array sensor
Technology, it is interior at the regional level effectively to distinguish people and inhuman thermal source, go to identify whether someone, at the same can someone or nobody
Signal is transmitted to controller by UART communications, and controller is Push And Release touching relay switching indicator lamp, whether reaches prompting
The state of someone.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in various embodiments of the present invention
The accompanying drawing used is briefly described.
Fig. 1 is the planing surface schematic diagram of the present invention；
Fig. 2 is the circuit diagram one in sensor in the present invention；
Fig. 3 is the circuit diagram two in sensor in the present invention；
Fig. 4 is the AMG8851 internal structures in sensor in the present invention；
Fig. 5 is the structure diagram of control unit in the present invention；
Fig. 6 is the control unit circuit diagram one of the present invention；
Fig. 7 is the control unit circuit diagram two of the present invention；
Fig. 8 is the workflow diagram of the present invention；
Numeral represents in figure：
1. the power supply indicator D1. telephony interfaces of 2. control unit of infrared array sensor, 21. power interface 22.
D2. the first relays of the ethernet transceiver J1. J2. of 23. first processor 24.RS485 transceivers of network interface 25.
Two relays 26. detect the second circuit board of indicator lamp 27.
Embodiment
Below in conjunction with accompanying drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment 1
As shown in figure 1, a kind of static human infrared identification detector, including infrared array sensor 1, control unit 2；
Infrared array sensor 1 is connected with each other with control unit 2 and transmits detection signal.
The down-set detection angles of infrared array sensor 1 are fan-shaped 60 degree of angles, and detecting distance is 8 meters, in real time prison
The change of temperature in regional extent is surveyed, infrared array sensor 1 is the sensitivity using far infrared scope as human testing
Effect, infrared ray will not penetrate wall, so the monitoring in region can be done, while can record the initial data of the scene.
As shown in Fig. 2 circuit diagrams, infrared array sensor 1 is built-in to be provided with a first circuit board, on first circuit board
Power module is connected with a positive low pressure voltage-stablizer, overtemperature protection and current-limiting circuit is internally integrated for controlling, in power module
The capacitance module of multiple different microfarads in parallel between positive low pressure voltage-stablizer, for obstructing direct current, also it is used for storing and discharging
Electric charge, smooth output ripple signal, capacitance module C5, the C6 of the output end of positive low pressure voltage-stablizer also 2 different microfarads in parallel,
Capacitance module c6 output end B1, B2, B3,3 groups of inductance of 3 groups of inductance also in parallel are connected 3 groups of inductance respectively, for producing resonance electricity
Road.The model of positive low pressure voltage-stablizer on first circuit board：AS1117-5.0
It is also associated with one first paster plucking number sign switch SP1 as shown in Fig. 3 circuit diagrams, on first circuit board, the one the first
Paster plucking number sign switch SP1 connects the sensor that part has an AMG8851, and can carry out connection in series-parallel some resistance, electricity according to being actually needed
Appearance and inductance.As shown in figure 4, AMG8851 internal structures in circuit diagram, digital active thermopile array is visited by 64 sensors
Unit (thermoelectric pile) composition is surveyed, the infrared band energy that each probe unit detection receives simultaneously is translated into electric signal, passes through
Digital information is converted into after crossing ADC conversions, the RAM then write by digital filtering in sensor.User can by I2C interfaces
It is used for temperature computation to access RAM and read measurement result.The external microcontroller for connecting infrared sensor reads different address
RAM data, and with reference to EEPROM calibration figure, to compensate the difference between different sensors, to establish thermal image, to calculate
The temperature of every in image.Built-in singlechip chip carries algorithm function, can effectively distinguish people and inhuman (such as TV, platform
Lamp etc.) thermal source.The characteristics of singlechip chip filtering algorithm is its size and symbol when measuring same amount under the same conditions
Do random change and unpredictable, but multiple measurement results meet statistical law.Consider AMG8851 sensor speed simultaneously
It hurry up, data volume is big, needs good management during multiple sensor joining image-formings, therefore, needs reliable data to communicate in
Mode, communication quality can be ensured using ethernet communication.
The AMG8851 of use sensor, which not only realizes conventional burnt electric transducer, can not detect static human body, movement
Direction, more can be with the Temperature Distribution in measured zone.The numeral output for the I2C that this sensor is provided with, pass through computer control simplicity.
And the temperature of the detectable object of sensor is 0 DEG C~80 DEG C, storage temperature is -20 DEG C~80 DEG C.
Also set on first circuit board and be connected with a MCU processors, frequency and the specification of central processing unit are done appropriate reduction,
And the perimeter interface such as internal memory (memory), counter (Timer), USB, A/D conversion, UART, PLC, DMA, or even LCD are driven
Circuit is all incorporated on one chip, forms the computer of chip-scale, and various combination control is done for different application scenarios.
The present invention uses CSMA/CD (csma and collision detection) technology using Ethernet, and with
10M/S speed is operated in Telephone Cable, and by the transmission means of cable, signal is sent in control unit 2.
As shown in figure 5, control unit 2 include power interface 21, power supply indicator 22, telephony interface D1, network interface D2,
First processor 23, RS485 transceivers 24, ethernet transceiver 25, the first relay J1, the second relay J2, detection instruction
Lamp 26, all electric elements are arranged to be connected with each other on second circuit board 27 and formed.
Infrared array sensor 1 is connected by telephony interface D1 with control unit 2, except transmission signal, also to be whole
Individual infrared identification detector system power supply；Telephony interface D1 both sides are respectively equipped with a power interface 21 and network interface D2, electricity
Source interface 21 can access 12V2A power supply and be connected with a power supply indicator 22, for showing the switch of power supply；Telephony interface D1
A first processor 23 is inside also connected with, for the outside electric elements of frequency and control for controlling whole system detection；First processing
Device 23 connects a RS485 transceivers 24, for the transmission signal TX from first processor 23 to be converted into by " transmitter "
Differential signal in communication network, the differential signal in communication network can also be converted into by the first processing by " receiver "
The RX signals that device 23 receives；Network interface D2 outside may be connected to interchanger, the data transfer for LAN；Network interface
D2 can catch infrared array sensor 1 signal come, be passed to by conversion with 485 agreement in internet；Network connects
Interface 2 is also associated with an ethernet transceiver 25, and network signal is sent or received by netting twine, carries out the transmission of data；First
Processor 23 is also associated with the first relay J1 and the second relay J2, the signal control received by first processor 23 the
One relay J1 and the second relay J2 folding and closure；First relay J1 and the second relay J2 both ends connect respectively
Onto a detection indicator lamp 23, detection indicator lamp 23 accesses 12V2A power supply, and the live wire of power supply is to separate two sections, respectively simultaneously
Connection is connected to the first relay J1 and the second relay J2 both ends, and when control unit 2 receives someone's signal, relay is just
In closure state, on the contrary then folding.
Control unit is in addition to electric elements described above, in addition to some necessary circuit controling elements, specific connection
Mode is as shown in accompanying drawing 6,7.Static people, can also distinguish people and inhuman thermal source, anti-leak-stopping in the recognizable region of the present invention
Inspection, flase drop, further improves discrimination and calibration rate.
As shown in figure 8, a kind of static human infrared identification detector operation principle is as follows：
1st, the downward 60 degree of angles of the infrared array sensor of detector front end are overlooked monitors in real time, and the distance of detection is 8
Rice, after having article to enter the region, infrared array sensor can record the temperature and area of article, and these data
Upload to singlechip chip and do algorithm process.
2nd, infrared array sensor 1 in real time comes up the transmission of these data, and rule is drawn after calculating, and rule
Rule value uploads to MCU processors.
3rd, the rule value converted signal values (drawing someone/unmanned signal) that MCU processors receive, by UART signal
Value spreads out of.
4th, by the transmission means of telephone wire, signal is sent in control unit 2.
5th, control unit 2 mainly controls the frequency gathered in real time, while built-in network interface can be incorporated into interchanger
In, being forwarded in LAN signal by netting twine；When the signal that controller receives is someone's signal, relay
Closed procedure is done, the power supply for detecting indicator lamp forms closure lamp with regard to bright, and when synchronous signal is changed into unmanned signal, relay is done
Operation is opened, detection pilot lamp power separates lamp and just gone out, and the signal received of controller is real-time, has any with before
When one signal is inconsistent, relay can all switch at any time according to signal (someone/nobody), while it is also real-time to detect indicator lamp
It is switched (bright light someone, turn off the light nobody).The present invention by infrared array sensor technology, it is interior at the regional level can be effective
People and inhuman thermal source are distinguished, goes to identify whether someone, while someone or unmanned signal can be transmitted to control by UART communications
Device, controller touch relay switching indicator lamp be Push And Release, reach prompting whether the state of someone.
Presently preferred embodiments of the present invention is the foregoing is only, is merely illustrative for the purpose of the present invention, and it is non-limiting
's.Those skilled in the art understands, many changes can be carried out to it in the spirit and scope that the claims in the present invention are limited,
Modification, in addition it is equivalent, but fall within protection scope of the present invention.
Claims (10)
1. a kind of static human infrared identification detector, including infrared array sensor, control unit, the infrared array
Sensor is connected with each other with control unit and transmits detection signal, it is characterised in that what the infrared array sensor was set
Detection angles are downward 60 ° of angles of sector, and detecting distance is 8 meters；The infrared ray array sensor is provided with a first circuit board,
The circuit board is provided with a power module, and the power module is connected with the input of positive low pressure voltage-stablizer, and the forward direction is low
Press output end multiple capacitance modules in parallel of voltage-stablizer；The first circuit board is additionally provided with one first paster plucking number sign switch, institute
State the first paster plucking number sign switch and be also associated with an infrared sensor, the infrared sensor includes a singlechip chip, passes through institute
Singlechip chip is stated to distinguish people and inhuman thermal source and the thermal source is converted into rule value.
2. static human infrared identification detector as claimed in claim 1, it is characterised in that the infrared sensor is
AMG8851 sensors.
3. static human infrared identification detector as claimed in claim 2, it is characterised in that the first circuit board also includes
The rule value that the singlechip chip transmits is converted into signal value by one MCU processors, the MCU processors.
4. static human infrared identification detector as claimed in claim 3, it is characterised in that the infrared array sensor
By CSMA/CD and with 10M/S speed, described control unit is transmitted signals to.
5. the static human infrared identification detector as described in claim 1 or 4, it is characterised in that described control unit includes
Telephony interface, the both sides of the telephony interface are respectively equipped with a power interface and a network interface；The power interface connection one
Former power supply, a power supply indicator and a first processor, the first processor, which is connected with, connects a RS485 transceivers and first
The both ends of relay and the second relay, first relay and second relay are connected respectively to detection instruction
Lamp, the network interface are also connected with an ethernet transceiver.
6. static human infrared identification detector as claimed in claim 5, it is characterised in that the detection indicator lamp access is former
Power supply, the live wire of the power supply are to separate two sections, are connected in first relay and second relay in parallel respectively
Both ends.
7. static human infrared identification detector as claimed in claim 6, it is characterised in that the infrared array sensor
It is connected with the telephony interface.
8. static human infrared identification detector as claimed in claim 7, it is characterised in that the network interface can also connect
To interchanger, forward a signal in LAN.
9. static human infrared identification detector as claimed in claim 8, it is characterised in that received when the controller
When signal is someone's signal, relay does closed procedure, and the power supply formation closure lamp of indicator lamp is bright；When the controller receives
Signal when being unmanned signal, relay does unlatching operation, and pilot lamp power separates lamp and gone out.
10. static human infrared identification detector as claimed in claim 9, it is characterised in that when the reception of the controller
To signal have any inconsistent with previous signal when, relay can all switch at any time according to signal, while detect indicator lamp
Also it is switched in real time.
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| CN201711137296.1A CN107678070A (en) | 2017-11-16 | 2017-11-16 | A kind of static human infrared identification detector |
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| CN201711137296.1A CN107678070A (en) | 2017-11-16 | 2017-11-16 | A kind of static human infrared identification detector |
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Citations (8)
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|---|---|---|---|---|
| JPH08178750A (en) * | 1994-12-26 | 1996-07-12 | Murata Mfg Co Ltd | Infrared array sensor |
| US20020132363A1 (en) * | 2001-01-17 | 2002-09-19 | Rehm Gary E. | Method and apparatus for using infrared readings to detect misidentification of a diagnostic test strip in a reflectance spectrometer |
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-
2017
- 2017-11-16 CN CN201711137296.1A patent/CN107678070A/en active Pending
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|---|---|---|---|---|
| JPH08178750A (en) * | 1994-12-26 | 1996-07-12 | Murata Mfg Co Ltd | Infrared array sensor |
| US20020132363A1 (en) * | 2001-01-17 | 2002-09-19 | Rehm Gary E. | Method and apparatus for using infrared readings to detect misidentification of a diagnostic test strip in a reflectance spectrometer |
| JP2003208676A (en) * | 2002-01-16 | 2003-07-25 | Noritz Corp | Motion detector |
| CN101403899A (en) * | 2008-11-11 | 2009-04-08 | 刘荣山 | Unmanned intelligent energy-saving control device with voice reminding function |
| CN103207416A (en) * | 2012-01-11 | 2013-07-17 | 陈宏乔 | Human body infrared detector with self-regulating function and working method thereof |
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