CN208232926U - A kind of children lock interior alarm - Google Patents
A kind of children lock interior alarm Download PDFInfo
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- CN208232926U CN208232926U CN201820101901.3U CN201820101901U CN208232926U CN 208232926 U CN208232926 U CN 208232926U CN 201820101901 U CN201820101901 U CN 201820101901U CN 208232926 U CN208232926 U CN 208232926U
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- chip microcontroller
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- solar panel
- children
- infrared
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- 239000013078 crystal Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Emergency Alarm Devices (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses a kind of children and locks interior alarm, belongs to electronic information technical field；Include the elements such as solar panel, infrared receiver tube, infrared transmitting tube, three terminal regulator, phase inverter, single-chip microcontroller, crystal oscillator, diode；The solar panel is mounted on the appropriate location of automobile top, is to convert solar energy into electrical energy to be stored in battery.It is controlled with current most popular single-chip microcontroller, it is small in size, it is at low cost；It is detected, is installed hidden using infrared ray transceiving pipe；Detectable signal uses pulse signal, energy saving and anti-interference；When there are children to forget in the car, sound-light alarm can be carried out automatically.A kind of children described in the utility model lock interior alarm, easy to operate, fully consider the various factors that may cause tragedy generation, it is ensured that parent will not be such that child leaves alone in the car for a long time because of carelessness.The utility model has many advantages, such as that setting is reasonable, small in size, at low cost.
Description
Technical field
The utility model relates to electronic information fields, and in particular to a kind of children lock interior alarm.
Background technique
With the rapid development of our country's economy, the raising of living standards of the people, automobile have become necessity of people's trip
Selection, but people also have ignored some security risks existing for automobile while enjoying automobile belt to facilitate.In recent years,
Due to the carelessness of driver and other various factors being easy to appear, driver can forget children in the car after often getting off
Phenomenon is commonplace, causes serious injury to the body and mind of child.For this social concern, people are studying always spy
Rope, it is desirable to be able to be resolved early, also not find a preferable solution always but.
In the prior art, device systems are carried by automobile, it is already possible to meet all needs of people's trip.But by
It is all that automotive interior electronic circuit can be caused to occur in succession when automobile breaks down using electronic information in most of automobiles
Problem.It not can solve and young child be detained interior problem for a long time due to a variety of causes driver's carelessness occurs, however
Because passerby is difficult to find to leave children in the car in time, various tragedies happen occasionally, cause to multiple families and be difficult to comfort
Flat wound.Existing automobile vendor is usually easy to ignore this problem when producing automobile, therefore designs a kind of children and lock vehicle
Interior alarm utility model preferably can avoid and reduce the generation of this social tragedy.
Summary of the invention
Interior alarm is locked the purpose of this utility model is to provide a kind of children, including solar panel 1, infrared
Line reception pipe 2, infrared transmitting tube 3, three terminal regulator 4, phase inverter 5, single-chip microcontroller 6, timer 7, diode 8, reset switch 9,
Transformer T10, loudspeaker 11, bridge rectifier D112, crystal oscillator 13；Solar panel 1, transformer T10, bridge rectifier
D112, the series connection of three terminal regulator 4 provides power supply for entire alarm；The VD of infrared transmitting tube 31-VD6End respectively with single-chip microcontroller 6
Pin P1.5, P1.4, P1.3, P1.2, P1.1, P1.0 connection；Pin P2.7, P2.8 of single-chip microcontroller 6, P3.1, P3.2,
P3.3, P3.4 are connect with pin 1Y, 2Y, 3Y, 4Y, 5Y, 6Y of phase inverter 5 respectively；Pin 1A, 2A of phase inverter 5,3A, 4A,
5A, 6 the A VD with infrared receiver tube 2 respectively7-VD12End connection；Pin P2.9, P3.0 and crystal oscillator 13 of single-chip microcontroller 6 are connected；
The pin P3.5 of single-chip microcontroller 6 is connected with fixed value resistance R2-R7, the VD of fixed value resistance R2-R7 and infrared receiver tube 27-VD12End
Connection；Reset switch 9 is connect with the pin RST of phase inverter 5 and single-chip microcontroller 6 respectively by fixed value resistance R0；The pin of single-chip microcontroller 6
RST and reset switch 9 connect；The pin VCC of single-chip microcontroller 6 is connected by R9 and timer 7, and pin P3.7 passes through R8 and timer
7 connections；Timer 7 is connected with diode 8 and loudspeaker 11, the model AT89S51 of single-chip microcontroller 6.
Solar panel 1 described in the utility model is mounted on the top of automobile, infrared receiver tube 2 and infrared transmitting tube
3 are separately mounted on vehicle window and car door, and power switch S1, which is mounted on, to be driven at door inside edge, and reset switch 9 is mounted on driving
On the door handle of position；Diode 8 and loudspeaker 11 are mounted on beside vehicle-mounted loudspeaker.
Solar panel 1 described in the utility model is water proof type.
The principles of the present invention: solar panel 1, transformer T10, bridge rectifier D112, three terminal regulator 4 is gone here and there
Connection provides supply voltage for entire alarm；Timer U47, the compositions sound such as loudspeaker YSQ11, common red light emitting diodes 8
Optical alarm circuit.Timer U47 be a LF multivibrator, controls the P3.7 pin of voltage input end and single-chip microcontroller 6
It is connected, is controlled by the pulse signal for the low and high level interval 1S that P3.7 pin exports；Voltage Uco is controlled when P3.7 is high level
It is higher, threshold voltage UT+(=Uco) and UT-(=1/2Uco) also higher；When P3.7 is low level, UT+ and UT- is lower；When
When UT+ higher, the voltage amplitude of capacitor C9 charge and discharge is larger, thus frequency of oscillation is lower.Conversely, when UT+ is lower, capacitor
Voltage change amplitude is smaller during C9 charge and discharge, and charge and discharge process is completed comparatively fast, therefore frequency of oscillation is higher.Work as P3.7
When=1, the frequency of oscillation that timer exports pulse is lower；As P3.7=0, the frequency of oscillation that timer exports pulse is high.This is defeated
Pulse is added on loudspeaker by capacitance C8 out, and loudspeaker will alternately issue high and low two kinds of different crys.Meanwhile
The pulse signal of the low and high level interval 1S of P3.7 pin output is added on red light emitting diodes 8 through resistance R8, and diode will
Flashing achievees the effect that acousto-optic with alarm.
The utility model has the following beneficial effects: alarm described in the utility model, small in size, at low cost, easy to operate, energy
Children in the car are individually left in discovery for a long time in time, can effectively avoid the generation of some tragedies.Use infrared ray transceiving pipe
It is detected, is installed hidden；Detectable signal uses pulse signal, energy saving and anti-interference.
Detailed description of the invention
Fig. 1 is the circuit diagram of utility model device.
In figure: 1- solar panel；2- infrared receiver tube；3- infrared transmitting tube；4- three terminal regulator；5- reverse phase
Device；6- single-chip microcontroller；7- timer；8- diode；9- reset switch；10- transformer T；11- loudspeaker YSQ；12- bridge rectifier
Device D1；13- crystal oscillator.
Specific embodiment
The utility model is described in further detail combined with specific embodiments below, but the protection scope of the utility model
It is not limited to the content.
Embodiment 1
The purpose of this utility model is to provide a kind of children to lock interior alarm, including solar panel 1(is used
Water proof type design), infrared receiver tube 2, infrared transmitting tube 3, three terminal regulator 4, phase inverter 5, single-chip microcontroller 6, timer 7, two
Pole pipe 8, reset switch 9, transformer T10, loudspeaker 11, bridge rectifier D112, crystal oscillator 13；Solar panel 1, transformer
T10, bridge rectifier D112, the series connection of three terminal regulator 4 provides power supply (+5V stable dc power supply) for entire alarm；It is infrared
The VD of transmitting tube 31-VD6End is connect with pin P1.5, P1.4, P1.3, P1.2, P1.1, P1.0 of single-chip microcontroller 6 respectively；Single-chip microcontroller
6 pin P2.7, P2.8, P3.1, P3.2, P3.3, P3.4 is connect with pin 1Y, 2Y, 3Y, 4Y, 5Y, 6Y of phase inverter 5 respectively；
Pin 1A, 2A of phase inverter 5,3A, 4A, 5A, 6 the A VD with infrared receiver tube 2 respectively7-VD12End connection；Reset switch 9 is logical
Fixed value resistance R0 is crossed to connect with the pin RST of phase inverter 5 and single-chip microcontroller 6 respectively；Pin P2.9, P3.0 and crystal oscillator of single-chip microcontroller 6
13 connections；The pin P3.5 of single-chip microcontroller 6 is connected with fixed value resistance R2-R7, fixed value resistance R2-R7 and infrared receiver tube 2
VD7-VD12End connection；The pin RST and reset switch 9 of single-chip microcontroller 6 are connected；The pin VCC of single-chip microcontroller 6 passes through R9 and timer 7
Connection, pin P3.7 are connected by R8 and timer 7；Timer 7 is connected with diode 8 and loudspeaker 11, the type of single-chip microcontroller 6
Number be AT89S51.
Solar panel 1 described in the present embodiment is mounted on the top of automobile, infrared receiver tube 2 and infrared transmitting tube 3
It is separately mounted on vehicle window and car door, power switch S1, which is mounted on, to be driven at door inside edge, and reset switch 9 is mounted on operator seat
On door handle；Diode 8 and loudspeaker 11 are mounted on beside vehicle-mounted loudspeaker, not by any shadow of device when automobile normal running
It rings.
The use process of the utility model: after vehicle shutdown, if driver is not turning off the power switch S1 or reset
In the case where switch 9, when closing driving car door, if someone can shelter from infrared ray, infrared receiver tube 2 when being retained in car
Cut-off, 5 input terminal of phase inverter are low level, and at this moment P3.0 ~ P3.5 of U1 is high level；It is located at when detecting within a certain period of time
When the light beam of different location is blocked, then by P3.7 mouthfuls of output alarm signals (pulse signal of low and high level interval 1S)；Driving
Sound light alarming circuit carries out sound-light alarm, until pressing reset button 9 or power switch S1, sound-light alarm is released；Due to infrared receipts
It is normal when not blocked between hair pipe, is abnormal when blocking.
After vehicle shutdown, if driver in the case where not turning off the power switch S1 or reset switch 9, once someone
When leaving in the car, infrared ray can be sheltered from, infrared receiver tube 2 will not receive transmitting signal, 5 input end of phase inverter in
Low level state, P3.0 ~ P3.5 of single-chip microcontroller are in high level state, and output pulse makes loudspeaker will by capacitance C8
Alternating issues high and low two kinds of different crys.The pulse signal of P3.7 pin output is added to red light emitting diodes 8 through resistance R8
On, flashing is achieved the effect that acousto-optic with alarm by diode.
In order to avoid when automobile normal driving, passenger inside the vehicle can block infrared signal and receive and emit, so closure
Switch S1, which is mounted on, to be driven at door inward flange seam, and driver can be turned off manually, and prevent from reporting by mistake；While with closing of the door is driven
Closure switch S1 switching is inconjunction with to be in an open state, it is interior at this time nobody when, car induction less than infrared ray, infrared receiving/transmission pipe it
Between do not block, be in normal condition, alarm not sounding；But if interior someone leaves at this time, and combined aural and visual alarm can same Times
Alert, driver can close the reset switch 9 for being mounted on and driving at door handle, close warning device.
Claims (3)
1. a kind of children lock interior alarm, it is characterised in that: including solar panel (1), infrared receiver tube (2),
Infrared transmitting tube (3), three terminal regulator (4), phase inverter (5), single-chip microcontroller (6), timer (7), diode (8), reset switch
(9), transformer T(10), loudspeaker (11), bridge rectifier D1(12), crystal oscillator (13)；Solar panel (1), transformer T
(10), bridge rectifier D1(12), three terminal regulator (4) series connection provides power supply for entire alarm；Infrared transmitting tube (3)
VD1-VD6End is connect with pin P1.5, P1.4, P1.3, P1.2, P1.1, P1.0 of single-chip microcontroller (6) respectively；Single-chip microcontroller (6) draw
Foot P2.7, P2.8, P3.1, P3.2, P3.3, P3.4 are connect with pin 1Y, 2Y, 3Y, 4Y, 5Y, 6Y of phase inverter (5) respectively；Instead
Pin 1A, 2A of phase device (5), 3A, 4A, 5A, 6 the A VD with infrared receiver tube (2) respectively7-VD12End connection；Single-chip microcontroller (6)
Pin P2.9, P3.0 and crystal oscillator (13) connection；The pin P3.5 of single-chip microcontroller (6) is connected with fixed value resistance R2-R7, fixed value resistance
The VD of R2-R7 and infrared receiver tube (2)7-VD12End connection；Reset switch (9) by fixed value resistance R0 respectively with phase inverter
(5) it is connected with the pin RST of single-chip microcontroller (6)；The pin VCC of single-chip microcontroller (6) is connected by R9 and timer (7), pin P3.7
It is connected by R8 and timer (7)；Timer (7) is connected with diode (8) and loudspeaker (11), the model of single-chip microcontroller (6)
AT89S51。
2. children lock interior alarm according to claim 1, it is characterised in that: solar panel (1) is mounted on vapour
The top of vehicle, infrared receiver tube (2) and infrared transmitting tube (3) are separately mounted on vehicle window and car door, power switch S1 installation
It is driving at door inside edge, reset switch (9) is mounted on operator seat door handle；Diode (8) and loudspeaker (11) are pacified
Beside vehicle-mounted loudspeaker.
3. children lock interior alarm according to claim 1, it is characterised in that: solar panel (1) is water proof type
's.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101901.3U CN208232926U (en) | 2018-01-22 | 2018-01-22 | A kind of children lock interior alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101901.3U CN208232926U (en) | 2018-01-22 | 2018-01-22 | A kind of children lock interior alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208232926U true CN208232926U (en) | 2018-12-14 |
Family
ID=64579207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820101901.3U Expired - Fee Related CN208232926U (en) | 2018-01-22 | 2018-01-22 | A kind of children lock interior alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208232926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550138A (en) * | 2019-02-08 | 2020-08-18 | 通用汽车环球科技运作有限责任公司 | Door handle assembly incorporating vehicle occupant warning system |
-
2018
- 2018-01-22 CN CN201820101901.3U patent/CN208232926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550138A (en) * | 2019-02-08 | 2020-08-18 | 通用汽车环球科技运作有限责任公司 | Door handle assembly incorporating vehicle occupant warning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181214 Termination date: 20200122 |