CN209132951U - Ranging and human body induction type multifunction alarm device capable of preventing myopia - Google Patents
Ranging and human body induction type multifunction alarm device capable of preventing myopia Download PDFInfo
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- CN209132951U CN209132951U CN201920070598.XU CN201920070598U CN209132951U CN 209132951 U CN209132951 U CN 209132951U CN 201920070598 U CN201920070598 U CN 201920070598U CN 209132951 U CN209132951 U CN 209132951U
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Abstract
The utility model discloses a kind of ranging and human body induction type multifunction alarm device capable of preventing myopia, is set on electronic equipment, and the multifunction alarm device includes: the rpyroelectric infrared sensing unit for sensing the infrared ray of human body sending；For detecting the distance measuring unit of the distance between human body and the electronic equipment；For issuing the alarm unit of alarm signal；For controlling the control unit of multifunction alarm device work, described control unit is electrically connected respectively to receive signal that the rpyroelectric infrared sensing unit and the distance measuring unit sense and output control signals to the alarm unit with the rpyroelectric infrared sensing unit, the distance measuring unit and the alarm unit.Ranging capable of preventing myopia described in the utility model and human body induction type multifunction alarm device, which can be reminded, keeps certain distance between user and electronic equipment, prevention user's myopia.
Description
Technical field
The utility model relates to field of intelligent control, more particularly to a kind of ranging and human body induction type capable of preventing myopia are more
Function warning device.
Background technique
With science and technology and expanding economy, the application of electronic product is also more and more extensive, and many children can use electronics
Product learns or entertains, however, during using electronic product, if the distance between user and electronic product are too
Closely, easily lead to myopia after long-time use, and children are because of reasons such as the age are small, self-control is poor, be difficult long lasting for
Draw oneself up the distance between electronic product, therefore the myopic ratio of children rises year by year.
Therefore, it is necessary to propose that a kind of ranging and human body induction type multifunction alarm device capable of preventing myopia are above-mentioned to solve
Problem.
Utility model content
The purpose of this utility model is to provide a kind of ranging and human body induction type multifunction alarm device capable of preventing myopia,
It can remind and keep certain distance between user and electronic equipment, prevention user's myopia.
To achieve the goals above, it is multi-functional to provide a kind of ranging and human body induction type capable of preventing myopia for the utility model
Alarm is set on electronic equipment, and the multifunction alarm device includes:
For sensing the rpyroelectric infrared sensing unit of the infrared ray of human body sending；
For detecting the distance measuring unit of the distance between human body and the electronic equipment；
For issuing the alarm unit of alarm signal；
For controlling the control unit of the multifunction alarm device work, described control unit is red with the pyroelectricity respectively
External sensed unit, the distance measuring unit and the alarm unit be electrically connected with receive the rpyroelectric infrared sensing unit and
Signal that the distance measuring unit senses simultaneously outputs control signals to the alarm unit.
Preferably, the electronic equipment includes mobile phone, tablet computer, television set, laptop, desktop computer and study
One of machine is a variety of.
Preferably, the distance measuring unit includes radar.
Preferably, described control unit includes first microprocessor.
Preferably, the alarm unit includes voice recording and playback ic and loudspeaker, the voice recording and playback ic respectively with it is described
Loudspeaker, described control unit are electrically connected.
Preferably, the voice recording and playback ic includes voice input module, memory module and voice output module, institute's predicate
Sound output module and the loudspeaker are electrically connected.
Preferably, the rpyroelectric infrared sensing unit includes the second microprocessor, the first DC power supply, rpyroelectric infrared
Line sensor, the first electrolytic capacitor, first resistor, second resistance and 3rd resistor, the power input of second microprocessor
End is electrically connected with the first end of first DC power supply, the first resistor respectively, the second end point of the first resistor
Anode not with the first end of the second resistance, first electrolytic capacitor is electrically connected, and first electrolytic capacitor is born
The feeder ear of pole ground line, the second end of the second resistance and the Thermoelectric Infrared Sensor is electrically connected, the heat
Release the ground terminal ground line of electric infrared sensor, the output end of the Thermoelectric Infrared Sensor and second micro process
The 3rd resistor is connected between first signal input part of device.
Preferably, the rpyroelectric infrared sensing unit further includes the 4th resistance and first capacitor, the 4th resistance with
The first capacitor be connected in parallel the Thermoelectric Infrared Sensor output end and the Thermoelectric Infrared Sensor
Ground terminal between.
Preferably, the rpyroelectric infrared sensing unit further includes the 5th resistance and photo resistance, the 5th resistance with
The photo resistance is connected in series in the ground wire and the triggering of second microprocessor is forbidden between end.
Preferably, the rpyroelectric infrared sensing unit further includes the 6th resistance, triode, zener diode and relay
Device, the 6th resistance is connected between the signal output end of second microprocessor and the base stage of the triode, described
The anode of the emitter ground line of triode, the collector of the triode and the zener diode is electrically connected, described steady
The cathode and first DC power supply for pressing diode are electrically connected, and the relay includes coil and first switch, the line
Circle is connected in parallel with the zener diode, and the first switch is connected in series in where the signal input part of described control unit
Route in.
Compared with prior art, rpyroelectric infrared sensing unit described in the utility model can sense when the red of human body radiation
Outside line simultaneously issues corresponding signal to control unit, and it is concurrent that distance measuring unit is able to detect the distance between human body and the electronic equipment
Corresponding signal to control unit, control unit is issued according to the rpyroelectric infrared sensing unit and the distance measuring unit out
Signal works to control alarm unit, and certain distance is kept between user and electronic equipment so as to remind, and prevention uses
Person's myopia.
Detailed description of the invention
Fig. 1 is one embodiment of ranging capable of preventing myopia described in the utility model and human body induction type multifunction alarm device
Circuit block diagram；
Fig. 2 is the circuit diagram of rpyroelectric infrared sensing unit described in the utility model；
Fig. 3 is the circuit connection diagram of first switch described in the utility model and described control unit.
It is respectively marked in figure as follows: R1, first resistor；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；R5,
Five resistance；R6, the 6th resistance；R7, the 7th resistance；R8, the 8th resistance；R9, the 9th resistance；R10, the tenth resistance；R11, the tenth
One resistance；R12, twelfth resistor；R13, thirteenth resistor；R14, the 14th resistance；R15, the 15th resistance；R16, the 16th
Resistance；C01, the first electrolytic capacitor；C02, the second electrolytic capacitor；C03, third electrolytic capacitor；C04, the 4th electrolytic capacitor； C1,
First capacitor；C2, the second capacitor；C3, third capacitor；C4, the 4th capacitor；C5, the 5th capacitor；C6, the 6th capacitor；C7, the 7th
Capacitor；C8, the 8th capacitor；CDS, photo resistance；PIR, Thermoelectric Infrared Sensor；K1, first switch；K2, second switch；
V, the first DC power supply；L, coil；D, zener diode；U2, the second microprocessor；Q, triode.
Specific embodiment
The utility model is further described below combined with specific embodiments below.
As shown in Figure 1, the utility model provides a kind of ranging and human body induction type multifunction alarm device capable of preventing myopia,
Including rpyroelectric infrared sensing unit, distance measuring unit, alarm unit and control unit, control unit respectively with rpyroelectric infrared sense
Unit, distance measuring unit and alarm unit is surveyed to be electrically connected.Wherein, rpyroelectric infrared sensing unit is for sensing the red of human body radiation
Outside line simultaneously issues the first signal, and distance measuring unit is reported for detecting the distance between human body and electronic equipment and issuing second signal
Alert unit is for issuing alarm signal, the first signal of control unit real-time reception and second signal, and according to the first signal and the
Binary signal controls alarm unit work.Specifically, someone's activity before control unit learns electronic equipment according to the first signal,
And learn that the distance between people and electronic equipment are less than first distance according to second signal, then control unit control alarm unit is sent out
Alarm signal out.
In the present embodiment, electronic equipment includes mobile phone, tablet computer, television set, laptop, desktop computer and
One of habit machine is a variety of, and but not limited to this.In addition, distance measuring unit includes radar, the capable of emitting ultrasonic distance measurement of radar, control
Unit processed includes first microprocessor, and first microprocessor includes single-chip microcontroller.Alarm unit includes voice recording and playback ic and loudspeaker,
Voice recording and playback ic is electrically connected with loudspeaker, control unit respectively, wherein voice recording and playback ic includes voice input module, deposits
Module and voice output module are stored up, voice output module and loudspeaker are electrically connected.In use, voice input module can record warning
Audio signal, Audio Alert signal stores in a storage module, when alarm unit needs to issue alarm signal, speech recording and reproducing core
Piece makes voice output module export the Audio Alert signal, and a spacing is kept between user and electronic equipment to remind
From.
In addition, as shown in Fig. 2, rpyroelectric infrared sensing unit includes the second microprocessor U2, the first DC power supply V, heat
Release electric infrared sensor PIR, the first electrolytic capacitor C01, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance
R4, the 5th resistance R5, the 6th resistance R6, first capacitor C1, photo resistance CDS, triode Q, zener diode D and relay,
The power input (pin 11) of second microprocessor U2 is electrical with the first end of the first DC power supply V, first resistor R1 respectively
Connection, anode of the second end of first resistor R1 respectively with the first end of second resistance R2, the first electrolytic capacitor C01 electrically connect
It connects, the cathode of the first electrolytic capacitor C01 is grounded GND, and the second end of second resistance R2 is with Thermoelectric Infrared Sensor PIR's
Feeder ear is electrically connected, and the ground terminal of Thermoelectric Infrared Sensor PIR is grounded GND, Thermoelectric Infrared Sensor PIR's
3rd resistor R3 is connected between output end and the first signal input part (pin 14) of the second microprocessor U2.4th resistance R4 with
First capacitor C1 is connected in the output end of Thermoelectric Infrared Sensor PIR and connecing for Thermoelectric Infrared Sensor PIR in parallel
Between ground terminal.5th resistance R5 and photo resistance CDS is connected in series in ground wire GND and the triggering of the second microprocessor U2 is forbidden holding
Between (pin 9).6th resistance R6 is connected to the base stage of signal output end (pin 2) and triode Q of the second microprocessor U2
Between, the collector of the emitter ground line GND of triode Q, triode Q and the anode of zener diode D are electrically connected, surely
The cathode and the first DC power supply V for pressing diode D are electrically connected, and relay includes coil L and first switch K1, coil L with surely
Pressure diode D is connected in parallel, and first switch K1 is connected in series in the route where the signal input part of control unit.
In use, as shown in figure 3, route where the signal input part of control unit includes the 17th resistance R17, the tenth
First switch K1, the second end ground connection of the 17th resistance R17 are connected between the first end of seven resistance R17 and the first DC power supply V
Line GND.If first switch K1 is disconnected, the route where the signal input part of control unit is disconnected, the signal input of control unit
End can not normally receive voltage signal, and control unit does not send a control signal to alarm unit at this time；When thermal release electric infra-red ray passes
When sensor PIR senses the infrared ray of human body radiation, Thermoelectric Infrared Sensor PIR issues third signal to the second micro process
The first signal input part of device U2, after the second microprocessor U2 handles third signal, from the letter of the second microprocessor U2
Number output end exports fourth signal to the base stage of triode Q, is connected between the collector and emitter of triode Q, coil L is logical
Electricity, first switch K1 closure, the line conduction where the signal input part of control unit, the signal input part of control unit are normal
Voltage signal is received, control unit is it can be seen that Thermoelectric Infrared Sensor PIR has sensed the infrared of human body radiation at this time
Line.
As shown in Fig. 2, in practical application, rpyroelectric infrared sensing unit further includes the 7th resistance R7 to the 16th resistance
R16, the second electrolytic capacitor C02 to the 4th electrolytic capacitor C04, the second capacitor C2 to the 8th capacitor C8 and second switch K2, wherein
Twelfth resistor R12 and the 16th resistance R16 is adjustable resistance, third electrolytic capacitor C03 be connected to the first DC power supply V with
Between ground wire GND, the second capacitor C2 and the 7th resistance R7 is connected in parallel, and third capacitor C3 is connected in parallel with the 8th resistance R8, the
The anode of the first end of two capacitor C2 and the 4th electrolytic capacitor C04 are electrically connected, the cathode of the 4th electrolytic capacitor C04 and described the
The first end of three capacitor C3 is electrically connected, and the second end of third capacitor C3 and the second microprocessor U2 are electrically connected, third capacitor
The second end of C3 is also electrically connected with the first end of the 9th resistance R9, the first end of the 5th capacitor C5 respectively, the 9th resistance R9's
The second electrolytic capacitor C02 is connected between second end and ground wire GND, and is connected between the second end and ground wire GND of the 5th capacitor C5
Six capacitor C6.The second end of second capacitor C2 and the first end of the tenth resistance R10 are electrically connected, the second end of the tenth resistance R10
Be connected with the 4th capacitor C4 between the second microprocessor U2, the second end of the tenth resistance R10 also with eleventh resistor R11
One end is electrically connected, and the second end of eleventh resistor R11 and the first end of twelfth resistor R12 are electrically connected, twelfth resistor
The second end of R12 and adjustable end are electrically connected with the second microprocessor U2.Between second microprocessor U2 and ground wire GND also
It is connected with thirteenth resistor R13, the 14th resistance R14, the 15th resistance R15, the 16th resistance R16, second switch K2, the 7th
The connection relationship of capacitor C7 and the 8th capacitor C8, these components and the second microprocessor U2 are conventional connection, herein no longer
It repeats.
In conclusion the utility model rpyroelectric infrared sensing unit can sense when infrared ray and the sending of human body radiation
To control unit, distance measuring unit is able to detect the distance between human body and electronic equipment and issues corresponding signal to control corresponding signal
Unit processed, control unit control alarm unit work according to the signal that rpyroelectric infrared sensing unit and distance measuring unit issue
Make, keeps certain distance between user and electronic equipment so as to remind, prevention user's myopia.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of ranging and human body induction type multifunction alarm device capable of preventing myopia, are set on electronic equipment, feature
It is, the multifunction alarm device includes:
For sensing the rpyroelectric infrared sensing unit of the infrared ray of human body sending；
For detecting the distance measuring unit of the distance between human body and the electronic equipment；
For issuing the alarm unit of alarm signal；
For controlling the control unit of multifunction alarm device work, described control unit respectively with the rpyroelectric infrared sense
Survey unit, the distance measuring unit and the alarm unit are electrically connected to receive the rpyroelectric infrared sensing unit and described
Signal that distance measuring unit senses simultaneously outputs control signals to the alarm unit.
2. ranging as described in claim 1 and human body induction type multifunction alarm device, which is characterized in that the electronic equipment packet
Include one of mobile phone, tablet computer, television set, laptop, desktop computer and learning machine or a variety of.
3. ranging as described in claim 1 and human body induction type multifunction alarm device, which is characterized in that the distance measuring unit packet
Include radar.
4. ranging as described in claim 1 and human body induction type multifunction alarm device, which is characterized in that described control unit packet
Include first microprocessor.
5. ranging as described in claim 1 and human body induction type multifunction alarm device, which is characterized in that the alarm unit packet
Voice recording and playback ic and loudspeaker are included, the voice recording and playback ic is electrically connected with the loudspeaker, described control unit respectively.
6. ranging as claimed in claim 5 and human body induction type multifunction alarm device, which is characterized in that the speech recording and reproducing core
Piece includes voice input module, memory module and voice output module, and the voice output module and the loudspeaker are electrically connected.
7. ranging as described in claim 1 and human body induction type multifunction alarm device, which is characterized in that the rpyroelectric infrared
Sensing unit includes the second microprocessor, the first DC power supply, Thermoelectric Infrared Sensor, the first electrolytic capacitor, the first electricity
Resistance, second resistance and 3rd resistor, the power input of second microprocessor respectively with first DC power supply, described
The first end of first resistor is electrically connected, the second end of the first resistor respectively with the first end of the second resistance, described
The anode of first electrolytic capacitor is electrically connected, the cathode ground line of first electrolytic capacitor, the second end of the second resistance
It is electrically connected with the feeder ear of the Thermoelectric Infrared Sensor, the ground terminal ground connection of the Thermoelectric Infrared Sensor
Line connects institute between the output end of the Thermoelectric Infrared Sensor and the first signal input part of second microprocessor
State 3rd resistor.
8. ranging as claimed in claim 7 and human body induction type multifunction alarm device, which is characterized in that the rpyroelectric infrared
Sensing unit further includes the 4th resistance and first capacitor, and the 4th resistance is connected in the heat in parallel with the first capacitor and releases
Between the output end of electric infrared sensor and the ground terminal of the Thermoelectric Infrared Sensor.
9. ranging as claimed in claim 7 and human body induction type multifunction alarm device, which is characterized in that the rpyroelectric infrared
Sensing unit further includes the 5th resistance and photo resistance, and the 5th resistance and the photo resistance are connected in series in the ground wire
Triggering with second microprocessor is forbidden between end.
10. ranging as claimed in claim 7 and human body induction type multifunction alarm device, which is characterized in that the pyroelectricity is red
External sensed unit further includes the 6th resistance, triode, zener diode and relay, and the 6th resistance is connected to described second
Between the signal output end of microprocessor and the base stage of the triode, the emitter ground line of the triode, three pole
The anode of the collector of pipe and the zener diode is electrically connected, the cathode of the zener diode and first direct current
Source is electrically connected, and the relay includes coil and first switch, and the coil is connected in parallel with the zener diode, described
First switch is connected in series in the route where the signal input part of described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920070598.XU CN209132951U (en) | 2019-01-16 | 2019-01-16 | Ranging and human body induction type multifunction alarm device capable of preventing myopia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920070598.XU CN209132951U (en) | 2019-01-16 | 2019-01-16 | Ranging and human body induction type multifunction alarm device capable of preventing myopia |
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| Publication Number | Publication Date |
|---|---|
| CN209132951U true CN209132951U (en) | 2019-07-19 |
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|---|---|---|---|
| CN201920070598.XU Active CN209132951U (en) | 2019-01-16 | 2019-01-16 | Ranging and human body induction type multifunction alarm device capable of preventing myopia |
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