CN206341782U - A kind of Ultrasonic Intelligent mosquito repellant - Google Patents
A kind of Ultrasonic Intelligent mosquito repellant Download PDFInfo
- Publication number
- CN206341782U CN206341782U CN201621185037.7U CN201621185037U CN206341782U CN 206341782 U CN206341782 U CN 206341782U CN 201621185037 U CN201621185037 U CN 201621185037U CN 206341782 U CN206341782 U CN 206341782U
- Authority
- CN
- China
- Prior art keywords
- pin
- resistance
- chips
- circuit
- electric capacity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Catching Or Destruction (AREA)
Abstract
The utility model provides a kind of Ultrasonic Intelligent mosquito repellant, and its circuit includes body induction circuit and ultrasonic output circuit two parts.The body induction circuit is built using human body infrared induction module HC SR501, time base circuit NE555 chips and electronic switch TWH8778 chips；The ultrasonic output circuit is built using unijunction transistor VT2 and piezoelectric-type ultrasonic wave transducer HA.When someone is close, body induction circuit can turn on electronic switch, and ultrasonic output circuit obtains electric work, and when people leaves, body induction circuit can turn off electronic switch, and ultrasonic output circuit dead electricity is stopped.Therefore, Ultrasonic Intelligent mosquito repellant of the present utility model can whether someone determines that whether ultrasonic output circuit works by body induction circuit automatic decision, and such design protects element, is allowed to more durable, electric energy has been saved again.
Description
Technical field
The utility model is related to a kind of mosquito repellant, specifically a kind of Ultrasonic Intelligent mosquito repellant, belongs to electronic technology field.
Background technology
In nature, general hero mosquito does not bite people, and the mosquito for biting people is typically the female mosquito of the upper ovum in bosom.Due to female
Mosquito needs food, protein and energy during cytula, so seek and bite warm-blooded animal, the female mosquitoes during the ovum of bosom
No longer it is ready close to male mosquito.Because female mosquito is extremely sensitive to the sound wave of 21~23kHz frequency ranges, once perceive male mosquito
Flutter its wings up and down the ultrasonic wave for sending 21~23kHz frequencies when, female mosquito will be escaped quickly.Therefore, ultrasonic mosquito dispelling is occurred in that on the market
Device, the device is the ultrasonic wave sent using the male mosquito alar part vibration of electronically simulation, is driven and mated by ultrasonic wave
Female mosquito, to reach the purpose for avoiding female mosquito bite people.Ultrasonic Radiation scope is big, and human ear is not heard, also will not be to human body
Any influence is produced, therefore ultrasonic mosquito repelling device belongs to more satisfactory environment-protecting articles.
But because ultrasonic wave had not both been heard or do not seen for people, people are easy to after ultrasonic mosquito repelling device is opened
Forget to close, and at present ultrasonic mosquito repelling device on the market general lack of intellectual monitoring human body function, when people leaves
Ultrasonic wave occurs module and continues to work, both easily damages component ageing, and electric energy is wasted again.
Utility model content
In order to solve the above problems, the utility model provides a kind of Ultrasonic Intelligent mosquito repellant, and it can be carried out to human body
Automatic monitoring, when people leaves, its ultrasonic output circuit part can be automatically stopped work, so that protection element, saves electric energy.
Concrete technical scheme of the present utility model is：
A kind of Ultrasonic Intelligent mosquito repellant, its circuit is powered using 9V battery GB, battery GB negative pole ground connection, just
9V power supplys are provided to late-class circuit after the concatenation switch S of pole, late-class circuit includes body induction circuit and ultrasonic output circuit two
Part.
The body induction circuit uses human body infrared induction module HC-SR501, time base circuit NE555 chips and electronics
TWH8778 chips are switched to build；9V power supplys connect 1 pin of three terminal regulator 7805, and the 3 pin ground connection of three terminal regulator 7805,2 pin connect
Human body infrared induction module HC-SR501 1 pin；Human body infrared induction module HC-SR501 3 pin ground connection, 2 pin connect triode
VT1 base stage；Triode VT1 grounded emitter, colelctor electrode connecting resistance R1 one end and 2 pin of NE555 chips, resistance R1's
Another termination 9V power supplys；9V power supply connecting resistances R2 one end, 4 pin of NE555 chips and 8 pin, 1 pin of TWH8778 chips, resistance
6,7 pin and electric capacity C1 positive pole of R2 another termination NE555 chips, electric capacity C1 negative pole ground connection, 1 pin of NE555 chips connect
It is grounded after ground, 5 pin serial capacitance C2, connecting resistance R4 one end and 5 pin of TWH8778 chips, resistance R4 after 3 pin series resistor R3
Other end ground connection, the 4 pin ground connection of TWH8778 chips, 2,3 pin export to ultrasonic output circuit.
The ultrasonic output circuit is built using unijunction transistor VT2 and piezoelectric-type ultrasonic wave transducer HA,
2, the 3 pin output of TWH8778 chips connects adjustable resistance RP one end and adjustable side, resistance R5 and R6 and R7 one end, adjustable electric
RP other end order junction transistors VT2 emitter stage and electric capacity C3 one end is hindered, the electric capacity C3 other end is grounded, resistance R5's
Other end order junction transistors VT2 the first base stage, unijunction transistor VT2 the second base stage meets electric capacity C4 one end and resistance R8
One end, resistance R8 the other end ground connection, electric capacity C4 another terminating resistor R6 other end and triode VT3 base stage, three
Pole pipe VT3 grounded emitter, the colelctor electrode connecting resistance R7 other end and electric capacity C5 one end, electric capacity C5 other end concatenation,
It is grounded after piezoelectric-type ultrasonic wave transducer HA.
The triode VT1 uses NPN triode 9013, and 100k Ω, 1M Ω, 680 are respectively adopted in resistance R1, R2, R3, R4
Ω, 680 Ω resistance, electric capacity C1 use 47 μ F/16V electrochemical capacitors.
The unijunction transistor VT2 uses BT33, the triode VT3 to use NPN types triode 9018；Adjustable resistance
RP uses 51k Ω potentiometer, and 100 Ω, 47k Ω, 3.3k Ω, 51 Ω resistance, electric capacity is respectively adopted in resistance R5, R6, R7, R8
0.047 μ F, 0.033 μ F, 0.1 μ F electric capacity is respectively adopted in C3, C4, C5, and piezoelectric-type ultrasonic wave transducer HA uses HTD-27A types.
The circuit of Ultrasonic Intelligent mosquito repellant of the present utility model includes body induction circuit and ultrasonic output circuit, its
The human body infrared induction module HC-SR501 of middle body induction circuit can sense to human body pyroelectricity infrared ray, work as someone
When close, body induction circuit can make the monostable flipflop upset built by NE555 time base circuits be temporary stable state, and then make electricity
Sub switch is turned on, and ultrasonic output circuit obtains electric work, and when people leaves, body induction circuit can overturn monostable flipflop
For stable state, and then turn off electronic switch, ultrasonic output circuit dead electricity is stopped.Therefore, intelligence of the present utility model surpasses
Sound wave device for expelling mosquitos can whether someone determines whether ultrasonic output circuit works by body induction circuit automatic decision, this
The design of sample is to protect element, is allowed to more durable, electric energy has been saved again.
Brief description of the drawings
Fig. 1 is the circuit diagram of the utility model Ultrasonic Intelligent mosquito repellant.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in figure 1, Ultrasonic Intelligent mosquito repellant of the present utility model, its circuit is powered using 9V battery GB,
9V power supplys are provided to late-class circuit after battery GB negative pole ground connection, positive pole concatenation switch S, late-class circuit includes body induction circuit
With ultrasonic output circuit two parts.
The body induction circuit uses human body infrared induction module HC-SR501, time base circuit NE555 chips and electronics
TWH8778 chips are switched to build；9V power supplys connect 1 pin of three terminal regulator 7805, and the 3 pin ground connection of three terminal regulator 7805,2 pin connect
Human body infrared induction module HC-SR501 1 pin；Human body infrared induction module HC-SR501 3 pin ground connection, 2 pin connect triode
VT1 base stage；Triode VT1 grounded emitter, colelctor electrode connecting resistance R1 one end and 2 pin of NE555 chips, resistance R1's
Another termination 9V power supplys；9V power supply connecting resistances R2 one end, 4 pin of NE555 chips and 8 pin, 1 pin of TWH8778 chips, resistance
6,7 pin and electric capacity C1 positive pole of R2 another termination NE555 chips, electric capacity C1 negative pole ground connection, 1 pin of NE555 chips connect
It is grounded after ground, 5 pin serial capacitance C2, connecting resistance R4 one end and 5 pin of TWH8778 chips, resistance R4 after 3 pin series resistor R3
Other end ground connection, the 4 pin ground connection of TWH8778 chips, 2,3 pin export to ultrasonic output circuit.
The ultrasonic output circuit is built using unijunction transistor VT2 and piezoelectric-type ultrasonic wave transducer HA,
2, the 3 pin output of TWH8778 chips connects adjustable resistance RP one end and adjustable side, resistance R5 and R6 and R7 one end, adjustable electric
RP other end order junction transistors VT2 emitter stage and electric capacity C3 one end is hindered, the electric capacity C3 other end is grounded, resistance R5's
Other end order junction transistors VT2 the first base stage, unijunction transistor VT2 the second base stage meets electric capacity C4 one end and resistance R8
One end, resistance R8 the other end ground connection, electric capacity C4 another terminating resistor R6 other end and triode VT3 base stage, three
Pole pipe VT3 grounded emitter, the colelctor electrode connecting resistance R7 other end and electric capacity C5 one end, electric capacity C5 other end concatenation,
It is grounded after piezoelectric-type ultrasonic wave transducer HA.
The workflow of the utility model Ultrasonic Intelligent mosquito repellant is as follows：
After power on circuitry, 5V power supplys, human body are provided to human body infrared induction module HC-SR501 by three terminal regulator 7805
Infrared induction module HC-SR501 normal works, when human body infrared induction module HC-SR501 does not detect someone nearby,
Its 2 pin exports low level, and triode VT1 ends, and 2 pin of NE555 chips are high level, the monostable built by NE555 chips
Trigger is in stable state, and the 3 pin output low level of NE555 chips, electronic switch TWH8778 chips are off state,
Rear class ultrasonic output circuit dead electricity does not work.
As human body infrared induction module HC-SR501 detection someone nearby, its 2 pin output high level, triode VT1 is led
Logical, 2 pin of NE555 chips are changed into low level, and monostable flipflop upset is temporary stable state, the high electricity of 3 pin output of NE555 chips
Flat, electronic switch TWH8778 chips are in closure state, and rear class ultrasonic output circuit obtains electric work.
After ultrasonic output circuit is powered, it is made up of unijunction transistor VT2, adjustable resistance RP, electric capacity C3, resistance R5 and R8
Relaxation oscillating circuit start working, the wave of oscillation through electric capacity C4 couple, triode VT3 amplification, electric capacity C5 coupling after be loaded into pressure
On electric-type ultrasonic transducer HA, piezoelectric-type ultrasonic wave transducer HA sends the ultrasound of corresponding frequencies according to the frequency of the wave of oscillation
Ripple, adjustment adjustable resistance RP resistance can change the frequency of the wave of oscillation, and then piezoelectric-type ultrasonic wave transducer HA is sent frequency
Rate is used for mosquito repellent for 21~23kHz ultrasonic wave.
After people leaves, human body infrared induction module HC-SR501 again can automatic control electronic switch TWH8778 chips pass
It is disconnected, rear class ultrasonic output circuit dead electricity is stopped.
Above-mentioned legend is only exemplary embodiments of the present utility model, is not limited to the utility model, all in this practicality
Any modification made within new spirit and principle or equivalent substitution and improvement etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (3)
1. a kind of Ultrasonic Intelligent mosquito repellant, it is characterized in that：The circuit of the Ultrasonic Intelligent mosquito repellant uses 9V battery GB
It is powered, battery GB negative pole ground connection, provides 9V power supplys to late-class circuit after positive pole concatenation switch S, late-class circuit includes people
Body sensor circuit and ultrasonic output circuit two parts；
The body induction circuit uses human body infrared induction module HC-SR501, time base circuit NE555 chips and electronic switch
TWH8778 chips are built；9V power supplys connect 1 pin of three terminal regulator 7805, and the 3 pin ground connection of three terminal regulator 7805,2 pin connect human body
Infrared induction module HC-SR501 1 pin；Human body infrared induction module HC-SR501 3 pin ground connection, 2 pin connect triode VT1's
Base stage；Triode VT1 grounded emitter, colelctor electrode connecting resistance R1 one end and 2 pin of NE555 chips, resistance R1's is another
Terminate 9V power supplys；9V power supply connecting resistances R2 one end, 4 pin of NE555 chips and 8 pin, 1 pin of TWH8778 chips, resistance R2's
6,7 pin of another termination NE555 chips and electric capacity C1 positive pole, electric capacity C1 negative pole ground connection, the 1 pin ground connection of NE555 chips, 5
It is grounded after pin serial capacitance C2, connecting resistance R4 one end and 5 pin of TWH8778 chips after 3 pin series resistor R3, resistance R4's is another
One end is grounded, and the 4 pin ground connection of TWH8778 chips, 2,3 pin are exported to ultrasonic output circuit；
The ultrasonic output circuit is built using unijunction transistor VT2 and piezoelectric-type ultrasonic wave transducer HA, TWH8778
2, the 3 pin output of chip connects adjustable resistance RP one end and adjustable side, resistance R5 and R6 and R7 one end, and adjustable resistance RP's is another
One end order junction transistors VT2 emitter stage and electric capacity C3 one end, electric capacity C3 other end ground connection, resistance R5 another termination
Unijunction transistor VT2 the first base stage, unijunction transistor VT2 the second base stage connects electric capacity C4 one end and resistance R8 one end,
Resistance R8 other end ground connection, electric capacity C4 another terminating resistor R6 other end and triode VT3 base stage, triode VT3
Grounded emitter, the colelctor electrode connecting resistance R7 other end and electric capacity C5 one end, electric capacity C5 other end concatenation, piezoelectric type surpasses
It is grounded after acoustic wave transducer HA.
2. Ultrasonic Intelligent mosquito repellant according to claim 1, it is characterized in that：The triode VT1 uses NPN triode
9013,100k Ω, 1M Ω, 680 Ω, 680 Ω resistance is respectively adopted in resistance R1, R2, R3, R4, and electric capacity C1 uses 47 μ F/16V
Electrochemical capacitor.
3. Ultrasonic Intelligent mosquito repellant according to claim 1, it is characterized in that：The unijunction transistor VT2 uses BT33,
The triode VT3 uses NPN types triode 9018；Adjustable resistance RP use 51k Ω potentiometer, resistance R5, R6, R7,
R8 is respectively adopted 100 Ω, 47k Ω, 3.3k Ω, 51 Ω resistance, electric capacity C3, C4, C5 be respectively adopted 0.047 μ F, 0.033 μ F,
0.1 μ F electric capacity, piezoelectric-type ultrasonic wave transducer HA uses HTD-27A types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621185037.7U CN206341782U (en) | 2016-11-04 | 2016-11-04 | A kind of Ultrasonic Intelligent mosquito repellant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621185037.7U CN206341782U (en) | 2016-11-04 | 2016-11-04 | A kind of Ultrasonic Intelligent mosquito repellant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206341782U true CN206341782U (en) | 2017-07-21 |
Family
ID=59321165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621185037.7U Expired - Fee Related CN206341782U (en) | 2016-11-04 | 2016-11-04 | A kind of Ultrasonic Intelligent mosquito repellant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206341782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106603058A (en) * | 2016-11-04 | 2017-04-26 | 广西大学 | Intelligent ultrasonic mosquito repellent |
-
2016
- 2016-11-04 CN CN201621185037.7U patent/CN206341782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106603058A (en) * | 2016-11-04 | 2017-04-26 | 广西大学 | Intelligent ultrasonic mosquito repellent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105030489B (en) | Intelligent walking stick for blind person | |
| CN104301820A (en) | Induction type microphone | |
| CN206341782U (en) | A kind of Ultrasonic Intelligent mosquito repellant | |
| CN105867467A (en) | Multi-circuit processing type temperature intelligent control system | |
| CN202085738U (en) | Mosquito bites proofing garment | |
| CN106386775A (en) | Induction type ultrasonic wave mosquito repelling device | |
| CN106603058A (en) | Intelligent ultrasonic mosquito repellent | |
| CN204267326U (en) | A kind of Fan for expelling mosquito | |
| CN202656775U (en) | Multifunctional mosquito repelling drawing board | |
| CN206630058U (en) | A kind of multifunctional solar cap | |
| CN206792187U (en) | A kind of intelligent bedding | |
| CN202206823U (en) | Sweep-frequency type ultrasonic mosquito dispeller | |
| CN211129513U (en) | Pressure induction type electric mosquito swatter | |
| CN202385662U (en) | Variable frequency ultrasonic mosquito repellent | |
| CN102349494A (en) | Sweeping ultrasonic mosquito dispeller | |
| CN203415059U (en) | Human body infrared detection alerter | |
| CN210017597U (en) | Intelligent mosquito dispeller | |
| CN203340156U (en) | Mosquito-repellent mobile phone | |
| CN102657147A (en) | Ultrasonic mosquito dispelling device | |
| CN202504092U (en) | High-power ultrasonic mosquito and cockroach dispeller | |
| CN202566073U (en) | Solar ultrasonic mosquito killer | |
| CN105867457A (en) | Intelligent temperature control system based on A/D conversion circuit | |
| CN205107653U (en) | Portable high blood pressure real -time detection reminiscences | |
| CN107608417A (en) | A kind of oven temperature control device | |
| CN206422820U (en) | Rock trigger-type handset starting circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20171104 |