CN108416976A - Child's fall arrest autoalarm - Google Patents
Child's fall arrest autoalarm Download PDFInfo
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- CN108416976A CN108416976A CN201810259866.2A CN201810259866A CN108416976A CN 108416976 A CN108416976 A CN 108416976A CN 201810259866 A CN201810259866 A CN 201810259866A CN 108416976 A CN108416976 A CN 108416976A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of child's fall arrest autoalarms, including module have：Two microcontrollers, motor driving, cutting means enclosure, ultrasonic ranging, lattice display, the display of charactron distance, charactron timing show, the adjusting of button distance, button timing clearing, frequency conversion alarm, determine frequency alarm and soft-touch control.First singlechip mainly controls the display of charactron distance, lattice display, the adjusting of button distance, frequency conversion alarm；Second singlechip mainly controls charactron timing and shows, motor driving, determines frequency alarm, button timing clearing, soft-touch control；First, second microcontroller is connected with each other；Ultrasonic ranging is connect with first singlechip；Motor drives and all controllable cutting means enclosure lifting of soft-touch control.The method have the advantages that hardware circuit is simple, software function is perfect, and control system is reliable, has not only reached the effect for ensureing child's life security, and with stronger market application value and and social development meaning.
Description
Technical field
It is specifically a kind of to be controlled automatically with manual by sensor the present invention relates to electronic technology and object operation field
Cutting means enclosure processed declines to ensure the fall arrest autoalarm of child's safety.
Background technology
For the attention to the protection of the child, building just will be deferred to generally at the beginning of design《Code for design of dwelling houses》Define
It is required that " indoor protective fence has clearly stipulate that the balustrade design of balcony will use the construction for preventing children from climbing, and railing
Between vertical member, clear distance is not greater than 0.11 meter.The clear height of house balcony protective plate and guard rail rod is also distinctly claimed ".One
A little high-rise French glass also have special safety requirements, " in 0.9 meter of glass below, it is necessary to glass safe to use ".
Currently, in order to reduce the risk of child's accidental falling by balcony or window, family's installation of high building is much stayed in
There are the protective devices such as protective window, anti-drop net, but not yet finds the relevant apparatus about child's fall arrest automatic alarm.Together
When, existing a part of relevant apparatus not only influences room aesthetic measure, and daylighting etc. is also bad, and sensitivity is relatively low, is easy
There are hidden fire-fighting danger, reliability cannot be guaranteed, and not play good protective action in most cases.In view of current
This aspect is there are notch in the market, and the present invention devises a kind of child's fall arrest autoalarm, to solve problem above.
Invention content
Present invention is generally directed to 2-7 Sui, the child relatively low to peril perception, self-protection ability is relatively weak and
A kind of fall arrest autoalarm provided, can play good protective action, effectively reduce security risk.
Using the first, second two microcontrollers as core control element, child's fall arrest automatic alarm of a household is completed
Device.It is intended to：Distance is divided into 4 grades between child and window, is considered as safety more than 4 meters, and danger is entered less than 4 meters
Region.When child is close to the risk range of window and enters the risk range time too long, charactron is apart from display module reality
When show the distance between child and window, while the risk distance model of certain rank can be set by button apart from adjustment module
Enclose, and frequency conversion alarm module according to different distance rate range carry out warning prompt, remind child far from here or remind parent
Child is dangerous, and parent is asked to come in time.
It is considered as most dangerous distance range less than 0.5 meter, is equipped with charactron timing display module, single timing is 2 minutes full
Determine frequency alarm module persistently to blow a whistle to remind parent, while window side is equipped with cutting means enclosure, by under motor drive module control automatically
Ground is fallen and is locked in, stopping the child close to window prevents from falling.
When child is far from danger zone, all alarm module stoppings pipe, and charactron timing display module is reset, motor
Drive module control cutting means enclosure rises automatically.It can be reset by button timing dump block, can also be opened by touching manually
It closes module and sends out instruction to second singlechip, microcontroller controls motor rotation, indirect control cutting means enclosure rise and fall, the operation
Allow for when parent find in time child danger zone and embrace from after, it is artificial to carry out device resetting.
Realize the specific technical solution of the object of the invention:
A kind of child's fall arrest autoalarm, feature are that the device includes：First singlechip, second singlechip, motor drive
Dynamic model block, cutting means enclosure, ultrasonic distance measuring module, lattice display module, charactron show mould apart from display module, charactron timing
Block, button apart from adjustment module, button timing dump block, frequency conversion alarm module, determine frequency alarm module and soft-touch control module.
The first singlechip and second singlechip are connected with each other；The I/O of motor drive module and second singlechip mouth pins connect；It is anti-
Shield curtain is connect with motor drive module；Ultrasonic distance measuring module and the I/O pins of first singlechip connect；Lattice display module with
The I/O pins of first singlechip connect；Charactron is connected apart from display module and the I/O pins of first singlechip；Charactron meter
When display module and second singlechip I/O pins connect；Button connects apart from the I/O pins of adjustment module and first singlechip
It connects；The I/O pins of button timing dump block and second singlechip connect；Frequency conversion alarm module and the I/O of first singlechip draw
Foot connects；The I/O pins for determining frequency alarm module and second singlechip connect；The I/O of soft-touch control module and second singlechip draws
Foot connects.
Cutting means enclosure of the present invention includes shaft, curtain and fixed seat, wherein shaft one end connects with motor drive module
It connects, the other end is arranged in fixed seat, and curtain is fixed in shaft.
The present invention is realized to be fed back by ultrasonic distance measuring module, and distance, charactron are calculated with first singlechip
The distance between current child and window are shown apart from display module, is monitored in real time, wherein the risk distance model less than 2 meters
Enclose it is adjustable apart from adjustment module by button, adjustment process by charactron apart from display module embody.Frequency conversion alarm module exists
More than 2 meters and less than 2 meters（2 meters of initialization, depending on facilities）It is piped alarm with low frequency and high frequency both of which respectively.
It realizes when risk distance is less than 0.5 meter, charactron timing display module is monitored timing and display, and single meter is 2 points full
Frequency alarm module is determined in clock startup, while starting motor drive module, is allowed to control cutting means enclosure decline；It can be reset by button timing
Module carries out charactron timing display module clear operation.Realize using soft-touch control module manually control cutting means enclosure decline with
Rise；Whole process has reached the unification of vision and the sense of hearing.
Cutting means enclosure appearance used in the present invention is similar with the common curtain of family, difference lies in the shaft of cutting means enclosure installation site with
Motor drive module is connected and is controlled by it, and when motor drive module rotates under the instruction of second singlechip, cutting means enclosure turns
Axis is also followed by rotating forward（Decline）Or reversion（Rise）；Cutting means enclosure material is higher by density, flexible also different from common cloth
The stronger material of property is made；Fixed seat is arranged at the blind-like article bottom of cutting means enclosure, efficient anti-to play convenient for being locked automatically on ground
The effect of falling.
The beneficial effects of the invention are as follows：
（1）, the present invention carry automatic alarm, good effect not only can be played to child's fall arrest, and not for some intelligences
Ripe disabled person or old man etc. also have good protective effect.In addition, phenomena such as can not only falling for child's window,
For that can also be applied close to dangerous material etc..
（2）, fall arrest autoalarm of the present invention it is small, low in energy consumption, of low cost, functions of modules is clear, integrate
Convenient, structure is easy to implement, core work circuit be ultrasonic distance measuring module and cutting means enclosure, using motor drive module so that
It is installed in practical application very convenient.
（3）, the simple connection of device and the independence of each intermodule so that it can be according to personal like and house decoration
Deng the specific location of installation ultrasonic distance measuring module and cutting means enclosure, and suitable distance range is set.And frequency conversion alarm module and
The sound for determining frequency alarm module is controllable, is adjusted by external slide rheostat, frequency can be high or low.The frequency conversion report being separately arranged
Alert module can send out apart from window the tone of different frequency with child apart from risk range, and child is reminded to make to leave.
（4）, the present invention be provided with protection child another barrier：Cutting means enclosure.Cutting means enclosure is similar to family and lifts curtain
The same device controls automatic decline by motor drive module, is fixed automatically after cutting means enclosure landing.Normal condition cutting means enclosure liter
Not shading is played, it is small also not take up space.
（5）, the present invention be provided with charactron apart from display module and charactron timing display module, can monitor in real time.
In addition it is shown line by line according to risk distance range provided with lattice display module, more intuitively feeds back to parent and child, it can
Improve certain safety guarantee coefficient.
（6）, the present invention can also by soft-touch control module under no other influences provided with soft-touch control module
It controls cutting means enclosure to decline and rise, convenient for artificial control.And it is stopped operating using the rotating forward of motor drive module, reversion and timing
Automatically control cutting means enclosure so that device more rationalizes, realityization, and closeness to life can be promoted.
（7）, the present invention due to only apply ultrasonic reflections and part electromagnetic field principle, so for human body or other
Article does not damage, and operating voltage is in 5V or so, securely and reliably.
Description of the drawings
Fig. 1 is structure of the invention block diagram；
Fig. 2 is the circuit diagram of first singlechip minimum system of the present invention；
Fig. 3 is the circuit diagram of second singlechip minimum system of the present invention；
Fig. 4 is implementing procedure figure of the present invention；
Fig. 5 is motor drive module material object pinouts of the present invention；
Fig. 6 is cutting means enclosure schematic diagram of the present invention；
Fig. 7 is ultrasonic distance measuring module material object pinouts of the present invention；
Fig. 8 is lattice display module circuit diagram of the present invention；
Fig. 9 is charactron of the present invention apart from display module schematic diagram；
Figure 10 is charactron timing display module schematic diagram of the present invention；
Figure 11 is button of the present invention apart from adjustment module circuit diagram；
Figure 12 is button timing dump block circuit diagram of the present invention；
Figure 13 is frequency conversion alarm module circuitry schematic diagram of the present invention；
Figure 14 is that the present invention determines frequency alarm module circuitry schematic diagram；
Figure 15 is inventive touch switch module circuit diagram.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
Refering to fig. 1, the present invention includes：First singlechip 1, second singlechip 2, motor drive module 3, cutting means enclosure 4, ultrasound
Wave range finder module 5, lattice display module 6, charactron are adjusted apart from display module 7, charactron timing display module 8, button distance
Section module 9, frequency conversion alarm module 11, determines frequency alarm module 12 and soft-touch control module 13 at button timing dump block 10, described
First singlechip 1 and second singlechip 2 are connected with each other；Motor drive module 3 is connect with the I/O pins of second singlechip 2；Ultrasound
Wave range finder module 5 is connect with the I/O pins of first singlechip 1；Lattice display module 6 and the I/O pins of first singlechip 1 connect
It connects；Charactron is connect apart from display module 7 with the I/O pins of first singlechip 1；Charactron timing display module 8 and the second list
The I/O pins of piece machine 2 connect；Button is connect apart from adjustment module 9 with the I/O pins of first singlechip 1；Button timing resets mould
Block 10 is connect with the I/O pins of second singlechip 2；Frequency conversion alarm module 11 is connect with the I/O pins of first singlechip 1；Fixed frequency
Alarm module 12 is connect by line with the I/O pins of second singlechip 2；The I/O of soft-touch control module 13 and second singlechip 2
Pin connects；Cutting means enclosure 4 is controlled respectively by motor drive module 3 and soft-touch control 13.
The present invention works in this way：
It can alarm and physics falling proof device after realizing a ranging based on first singlechip 1 and second singlechip 2：
1, distance of the child apart from window can be monitored in real time using ultrasonic distance measuring module 5, with charactron apart from display module 7
Show distance of the current child apart from window side.
2,4 different distance ranges of setting, 1（>4m）For safe range, reaching setpoint distance { 2（<2m）, 3（<
1m）, 4（<0.5m）Grade risk distance, 4 be most danger classes } when frequency conversion alarm module 11 pipe, frequency conversion alarm module 11 is divided to two
A frequency range（2 and 3,4 grades of risk distances）It sounds, nearlyr 11 frequency of frequency conversion alarm module of distance is higher, indicates more dangerous.
3, the 2nd grade（<2m）Risk distance range distance can be adjusted by button apart from adjustment module 9, and adjustment process passes through
Charactron is shown apart from display module 7.
4, lattice display module 6 is set additionally by the interrupt routine of first singlechip 1, by 3 grades of risk distance range（<
1m）It is divided into 8 small grades, often reduces 0.1m, the bright a line of 6 multiple spot of lattice display module, the closer distance the more dangerous, then red light lights
It is more, guardian and the visual direct feel of child can be provided.
5, child enters risk distance range 4（<0.5m）Afterwards, device starts timing by charactron timing display module 8
And it shows.After single timing enters 2min, determines frequency alarm module 12 and persistently sound.After child is far from window certain distance,
8 auto zero of charactron timing display module and stop alarm.
6, charactron timing display module 8 can also be controlled by button timing dump block 10, be embraced after realizing convenient for parent
From child.Charactron zero, from the beginning timing can be achieved after pushing button.
7, falling proof device controls decline and the rising of cutting means enclosure 4 to realize by motor drive module 3.When child is close
Window side certain distance, into 4 grades of setting（<0.5m）When risk range, cutting means enclosure 4 falls and locks automatically, to ensure child
Safety.After child leaves 4 grades of danger zones, cutting means enclosure 4 rises automatically, no longer covers window and realizes that light transmission is ventilative.In addition family
Length can also pass through the rise and landing of 13 indirect control cutting means enclosure of soft-touch control module.
Embodiment
The present embodiment first singlechip 1 uses STC89C51 microcontrollers；Second singlechip 2 uses ATmega16 microcontrollers.
Refering to fig. 1, the present embodiment includes：First singlechip 1；Second singlechip 2；Motor drive module 3；Cutting means enclosure 4；It is super
Sound ranging module 5；Lattice display module 6；Charactron is apart from display module 7, charactron timing display module 8；Button distance
Adjustment module 9；Button timing dump block 10；Frequency conversion alarm module 11；Determine frequency alarm module 12；Soft-touch control module 13.
Referring to Fig.2, the I/O pins connection of the first singlechip 1 of the present embodiment is described below table：
Table 1
Wherein, charactron indicates to need Digital size to be shown on each charactron apart from 7 sections of choosings of display module；Position choosing indicate by
The numeral method of which specific position, the two combination could realize that complete distance is shown.Button is apart from adjustment module 9
Three buttons have been used, K1, K2, K3 are denoted as.Ultrasonic distance measuring module 5 there are four port, including+5V power ends, GND ground terminals,
Triggering end and receiving terminal.
Refering to Fig. 3,2 pin of the second singlechip connection of the present embodiment is described below table：
Table 2
Wherein, charactron indicates to need Digital size to be shown on each charactron apart from 8 sections of choosings of display module；Position choosing indicate by
The numeral method of which specific position.500KHz frequencies are provided by ATmega16 microcontrollers.
Refering to Fig. 4, the present embodiment utilizes ultrasound with STC89C51 microcontrollers and ATmega16 microcontrollers core in order to control
Wave range finder module 5, without child close to when export low level, when child close to when, the high electricity of the output of ultrasonic distance measuring module 5
Flat, there is high level time and feeds back to STC89C51 microcontrollers in module monitoring in real time, and STC89C51 microcontrollers pass through high electricity
Length calculates child at a distance from window side between usually, and is shown apart from display module 7 by charactron；It is considered as safety more than 4 meters
Distance；Frequency conversion alarm module 11 carries out low frequency according to the different distance range of setting and pipes with high frequency respectively；Less than the danger after 2 meters
Dangerous distance range can be increased and decreased by button apart from adjustment module 9, and one of button K1 realizes the adjustment of risk distance range
Display with both real-time monitoring distances switches；ATmega16 microcontrollers control charactron timing when risk distance is less than 0.5 meter
Module 8 starts timing, and clock timing expires 2min and determines the alarm of frequency alarm module 12, can be counted by button timing dump block 10
When reset；Risk distance less than 1 meter is divided into 8 sub-stages, and it is bright line by line that STC89C51 microcontrollers control lattice display module 6
It goes out；ATmega16 microcontrollers according to the feedback of 5 risk distance range of ultrasonic distance measuring module, control motor drive module 3 rotates forward,
Reversion does not turn, to realize the decline, rising and hold mode of cutting means enclosure；When someone has touched soft-touch control module 13,
ATmega16 microcontrollers receive the touching signal of soft-touch control module 13, and instruction will be sent out to motor drive module 3, control
4 raising and lowering of cutting means enclosure.
Refering to Fig. 5, the pinouts in kind of motor drive module 3 that the present embodiment is used, 1 foot connects with ATmega16 microcontrollers
It connects, is controlled using ATmega16 single-chip microcomputer timer internals T/C0 and comparison match interrupt service routine, monolithic can not influenced
It is automatic to rotate under other working conditions of machine.Motor drive module 3 is that electric impulse signal is changed into opening for angular displacement or displacement of the lines
Ring controls motor, is the main executive component in modern digital program control system.When motor driver receives a pulse
Signal, it is rotated with regard to driving motor by the direction of setting, its rotation is run step by step with fixed angle.It can lead to
ATmega16 microcontrollers control pulse number is crossed to control angular displacement, to achieve the purpose that accurate positionin；It can lead to simultaneously
ATmega16 microcontrollers control pulse frequency is crossed to control the speed of motor rotation, to achieve the purpose that speed governing.Its work
Principle is to utilize electronic circuit, direct current is become time sharing power supply, multiphase timing control electric current is that motor supplies with this electric current
Electricity, motor could work normally.In the present embodiment, motor drive module 3 controls the rise and fall of cutting means enclosure 4.
Refering to Fig. 6, the appearance of cutting means enclosure 4 is similar to household curtain, and 14 be shaft in figure, is connected with motor drive module 3
It connects, shaft 14 makes corresponding operating under the control of motor drive module 3；The curtain 16 of cutting means enclosure is with the higher material of suppleness
Matter is made, the automatic fixed position when the curtain 16 of cutting means enclosure drops to ground, to play a protective role.When child is far from dangerous
After distance range, the rotation of 14 automatic reverse of shaft makes cutting means enclosure 4 rise.It is daily do not use the device when, cutting means enclosure 4 can also pass through
The control of soft-touch control module 13 is risen, and avoids shading ventilative.
Refering to Fig. 7, the 5 model HC-SR04 of ultrasonic distance measuring module of the present embodiment, wherein STC89C51 microcontrollers draw
The Trig triggering ends of foot P3.2 connections ultrasonic distance measuring module 5, pin P3.3 connect the Echo receiving terminals of ultrasonic distance measuring module.It should
Module can provide the contactless distance sensing function of 2cm-400cm, and range accuracy arrives 3mm up to high；It can carry out ultrasonic wave
Transmitting, reception and control.Similar to radar range finding principle, the transmitter of ultrasonic distance measuring module 5 is super to a direction transmitting
Sound wave starts timing while emission time, and ultrasonic wave is propagated in air, encounters barrier on the way and just returns to come immediately,
The receiver of ultrasonic distance measuring module 5 receives back wave and just stops timing immediately, according to this time difference, STC89C51 microcontrollers
Calculate distance.Basic functional principle：Ultrasonic distance measuring module 5 sends the square wave of 8 40khz automatically, has detected whether letter automatically
Number return；There is signal return, a high level is exported by Echo, high level duration, which is exactly ultrasonic wave, to be returned from being emitted to
The time returned..Under different distance, high level time is different.STC89C51 microcontrollers record high level time is calculated, and is obtained
By centimetre as unit of distance.Measuring distance=(the high level time * velocities of sound (340m/s))/2.
Refering to Fig. 8, Col (+) termination+5V power supplys, Row (-) end and the STC89C51 microcontrollers of lattice display module 6
P0.0 ~ P0.7 pins connect；Child enters after the risk distance range less than 1 meter, often reduces 0.1m, lattice display module 6
Corresponding instruction can be made under the control of STC89C51 microcontrollers, i.e., each bright a line of multiple spot.In STC89C51 SCM programs
The low and high level value that symbol or image to be shown will be needed to be converted to each column on dot matrix, is shown with two 16 systems.Practical effect
Fruit be more dangerous lattice display module 6 red light light it is more, can provide guardian and child's intuitive visual impression.
Refering to Fig. 9, charactron, which is connect apart from display module 7 with P1.0 ~ P1.7 pins of STC89C51 microcontrollers, carries out section
Choosing（Show Digital size）, it is connect with P3.4 ~ P3.7 pins into line position and is selected（It is particularly shown position）.The Dynamic Announce master of charactron
If being designed using the visual experience of human eye, in general if the frequency of display is excessively slow, there will be desultory aobvious
Show；If the frequency of display is accelerated, it is remaining that this vision just can not be identified in human eye.The positions the Duan Xuanyu choosing of charactron is manually set
Value to realize numeral method function.Charactron apart from 7 real-time display ultrasonic distance measuring module 5 of display module feedback after by
STC89C51 microcontroller calculated distance sizes.
Refering to fig. 10, charactron timing display module 8 is connect with the pins of the PA0 of ATmega16 microcontrollers ~ 7 carries out Duan Xuan
（Show Digital size）, it is connect with the pins of PC0 ~ 5 into line position and is selected（Show Digital size）；The PB.0 of ATmega16 microcontrollers is selected
One (default setting 0.5m/ is apart from optional) in P1.0 ~ P1.7 pins of STC89C51 microcontrollers, respectively represents different danger
Danger distance carries out triggering timing.Timing course is shown on charactron timing display module 8, is returned automatically after separate risk range
Zero.
Refering to fig. 11, button is connect apart from adjustment module 9 with the pins of the P2.0 of STC89C51 microcontrollers ~ 2.2；Less than 2 meters
Risk distance range can by button apart from adjustment module 9 adjust.It has used three buttons：It is changeable real-time by K1
Monitoring distance is shown to be shown with the setting of alarm distance distance；It can reduce 2 grades of alarm distance distance setpoint distances by K2；Pass through K3
2 grades of alarm distance distance setpoint distances can be increased；Key jitter is eliminated by the program of STC89C51 microcontrollers and realizes switching
Function.
Refering to fig. 12, button timing dump block 10 is connect with the PB.1 pins of ATmega16 microcontrollers；The button is realized
Charactron timing dump block 10 is reset manually.
Refering to fig. 13, frequency conversion alarm module 11 is connect with the P2.3 pins of STC89C51 microcontrollers；Frequency conversion alarm module 11
Alarm be divided into two frequency ranges, less than 4 meters, be more than 2 meters of ranges when low frequency alarm；High frequency is alarmed when less than 2 meters.Distance it is more close more
Danger, the tone that pipes of frequency conversion alarm module 11 are higher.
Refering to fig. 14, determine frequency alarm module 12 and is connect with the PC.6 pins of ATmega16 microcontrollers.When child is less than 0.5
After rice risk distance, charactron timing display module 8 starts timing, and timing, which expires 2min and determines frequency alarm module 12, persistently to pipe report
It is alert, it is automatically stopped once far from if.
Refering to fig. 15, soft-touch control module 13 is connect with the PB.3 pins of ATmega16 microcontrollers.It is to be examined based on touch
Survey IC（TTP223B）Condenser type crawl soft-touch control module.Under normality, module exports low level, and module is low-power consumption mode；
When touching corresponding position with finger, module can export high level, and pattern switching is quick mode；It is not touched when for 12 seconds
When, module is switched to low-power consumption mode.Power supply can be 2 ~ 5.5V (DC), and positive and negative can be used as touch surface, can replace
Conventional touch button.Green LED is shinny when powering on correct.The module rises for controlling motor rotation, indirect control cutting means enclosure 4
And decline.When soft-touch control module 13 accesses circuit, if child is in danger area, motor drive module 3 automatically protect by rotation
Curtain 4 lands, and ATmega16 microcontrollers can control the rise of cutting means enclosure 4 after soft-touch control；If child is not on danger area, electricity
3 automatic reverse of machine drive module rotation control cutting means enclosure 4 rises, and the decline of cutting means enclosure 4 can be controlled after soft-touch control.
Claims (2)
1. a kind of child's fall arrest autoalarm, which is characterized in that the device includes：First singlechip（1）, the second monolithic
Machine（2）, motor drive module（3）, cutting means enclosure（4）, ultrasonic distance measuring module（5）, lattice display module（6）, charactron distance
Display module（7）, charactron timing display module（8）, button is apart from adjustment module（9）, button timing dump block（10）, become
Frequency alarm module（11）, determine frequency alarm module（12）And soft-touch control module（13）, wherein first singlechip（1）It is single with second
Piece machine is connected with each other（2）；Motor drive module（3）With second singlechip（2）I/O mouth pins connection；Cutting means enclosure（4）With motor
Drive module（3）Connection；Ultrasonic distance measuring module（5）With first singlechip（1）I/O pins connection；Lattice display module（6）
With first singlechip（1）I/O pins connection；Charactron is apart from display module（7）With first singlechip（1）I/O pins connect
It connects；Charactron timing display module（8）With second singlechip（2）I/O pins connection；Button is apart from adjustment module（9）With
One microcontroller（1）I/O pins connection；Button timing dump block（10）With second singlechip（2）I/O pins connection；Become
Frequency alarm module（11）With first singlechip（1）I/O pins connection；Determine frequency alarm module（12）With second singlechip（2）'s
I/O pins connect；Soft-touch control module（13）With second singlechip（2）I/O pins connection.
2. autoalarm according to claim 1, it is characterised in that the cutting means enclosure（4）Including shaft（14）, it is solid
Reservation（15）And curtain（16）, wherein shaft（14）One end and motor drive module（3）Connection, the other end are arranged in fixed seat
（15）On, curtain（16）Mounted on shaft（14）On.
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| CN201810259866.2A CN108416976A (en) | 2018-03-27 | 2018-03-27 | Child's fall arrest autoalarm |
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