CN206378972U - Simple pre- myopia prevention device and equipment - Google Patents
Simple pre- myopia prevention device and equipment Download PDFInfo
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- CN206378972U CN206378972U CN201621314501.8U CN201621314501U CN206378972U CN 206378972 U CN206378972 U CN 206378972U CN 201621314501 U CN201621314501 U CN 201621314501U CN 206378972 U CN206378972 U CN 206378972U
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- human body
- infrared inductor
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Abstract
The utility model provides a kind of simple pre- myopia prevention device and equipment, is related to electronics field.Simple pre- myopia prevention device includes the first human body infrared inductor, the first relay, single-chip microcomputer and the second human body infrared inductor, the second relay being connected with single-chip microcomputer being sequentially connected, second relay connects alarm, the first relay conducting single-chip microcomputer and the element being connected with single-chip microcomputer are just triggered after the first human body infrared inductor senses the infrared ray that human body sends, first human body infrared inductor only has the first human body infrared inductor to be in operation when being not sensed by the infrared ray that human body sends, save the energy；Second human body infrared inductor after conducting is according to whether sense that the infrared ray that human body head is sent sends corresponding signal to single-chip microcomputer, the vibration and stopping of control alarm point out user to correct the distance of eyes and desktop, can effectively pre- myopia prevention；The use demand of different user can be adapted in simple pre- myopia prevention equipment by adjusting the angle between two human body infrared inductors.
Description
Technical field
The utility model is related to electronics field, in particular to a kind of simple pre- myopia prevention device and equipment.
Background technology
According to investigations, in recent years China's adolescent myopia incidence of disease in ascendant trend year by year.China's adolescent myopia incidence of disease
Up to 50%-60%.The number that the whole nation is worn glasses about 600,000,000, accounts for the 33% of world A nearsighted person sum, significantly larger than China accounts for
The ratio of world population sum 22%.Investigation finds that in A nearsighted person, 44.1% people begins to wear glasses from junior middle school,
23.7% people's " glasses career " is that the people for also having 32.2% started in senior middle school, professional high school or special secondary school epoch just suffers from from primary school
Different degrees of myopia.Preventing and treating myopia, eyesight of protecting young people turn into very urgent social concern.
Relevant expert points out：At present, treatment thorough to myopia all not good method, the best way in worldwide
Exactly to put prevention first, and to be picked up from small.
In the prior art, pre- myopia prevention device generally increases a limitation human body on the similar office platform such as desk
The mechanical device of position, the distance and posture of user's eye, head and books are limited by using mechanical device, is made to correct
The bad study of user, work posture.This kind of device has certain effect, but its application office to pre- myopia prevention, cervical spondylopathy
It is sex-limited strong, and in-convenience in use, the sight of user can be also disturbed, influence user just commonly uses eye, and Consumer's Experience is relatively low.
Utility model content
The purpose of this utility model is a kind of simple pre- myopia prevention device of offer, works as user's head from desktop too to realize
Start when near, remind user, save the energy, and do not disturb the function of user's sight.
The purpose of this utility model is a kind of simple pre- myopia prevention equipment of offer, works as user's head from desktop too to realize
Start when near, remind user, save the energy, and do not disturb the function of user's sight.
What the utility model was realized in：
A kind of simple pre- myopia prevention device, including power supply, the first human body infrared inductor, the second human body infrared inductor,
Control circuit and alarm, the control circuit connects the power supply, the first human body infrared inductor, described the respectively
Two human body infrared inductors and the alarm, the power supply are used to power, and the first human body infrared inductor is used for
The first enabling signal is sent when sensing the infrared ray that human body is sent to the control circuit, the control circuit is used to receive
Start after to first enabling signal and control the second human body infrared inductor to start, the second human body infrared sensing
Device is used to send the second enabling signal when sensing the infrared ray that human body head is sent to the control circuit, institute after starting
State control circuit controls the alarm to run for receiving after second enabling signal.
A kind of simple pre- myopia prevention equipment, including simple pre- myopia prevention device, controller, first angle adjuster and the
Two angle adjusters, the simple pre- myopia prevention device includes power supply, the first human body infrared inductor, the sensing of the second human body infrared
Device, control circuit and alarm, the controller connect the control circuit, and the first angle adjuster is connected to described
Control between circuit and the first human body infrared inductor, the second angle adjuster is connected to the control circuit and institute
State between the second human body infrared inductor, the control circuit connect respectively the power supply, the first human body infrared inductor,
The second human body infrared inductor and the alarm, the power supply are used to power, and the controller is used to receive user
Instruction controls the first angle adjuster and the second angle adjuster to adjust the first human body infrared inductor and institute
The angle between the second human body infrared inductor is stated, the first human body infrared inductor is used to sense what human body was sent
The first enabling signal is sent during infrared ray to the control circuit, the control circuit is used to receive first enabling signal
After start and control the second human body infrared inductor to start, the second human body infrared inductor is used for when sense after starting
The second enabling signal is sent when should arrive the infrared ray that human body head sends to the control circuit, the control circuit is used to receive
The alarm is controlled to run after to second enabling signal.
Compared with the prior art, the utility model has the advantages that：The simple prevention of one kind that the utility model is provided
Whether near-sighted device, can sense infrared ray that human body head sends to control alarm by the second human body infrared inductor
Start and stop, make user keep good use eye custom, keep good sitting posture, can effectively pre- myopia prevention；Do not have in user
When having approaching device, only the first human body infrared inductor is in running order, and remaining element is only in the first human body infrared sense
Device is answered just to start after sensing the infrared ray that human body is sent, energy saving.
Whether a kind of simple pre- myopia prevention equipment, can sense what human body head was sent by the second human body infrared inductor
Infrared ray controls the start and stop of alarm, user is kept good use eye custom, keeps good sitting posture, can be effective
The pre- myopia prevention in ground；When user does not have approaching device, only the first human body infrared inductor is in running order, and remaining element is only
Having can just start after the first human body infrared inductor senses the infrared ray that human body is sent, energy saving；And control can be passed through
Device processed controls the angle of the first human body infrared inductor and the second human body infrared inductor, to adapt to the use of different users
Demand.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the model of the utility model protection
Enclose.
Fig. 1 shows a kind of structural representation for simple pre- myopia prevention device that the utility model first embodiment is provided
Figure.
Fig. 2 shows a kind of structural representation for simple pre- myopia prevention device that the utility model second embodiment is provided
Figure.
Fig. 3 shows a kind of structural representation for simple pre- myopia prevention equipment that the utility model 3rd embodiment is provided
Figure.
Fig. 4 shows a kind of structural representation for simple pre- myopia prevention equipment that the utility model fourth embodiment is provided
Figure.
In figure：The simple pre- myopia prevention devices of 10-；110- controls circuit；111- single-chip microcomputers；The relays of 113- first；115-
Second relay；130- the first human body infrared inductors；150- the second human body infrared inductors；170- alarms；180- is shown
Device；190- power supplys；The simple pre- myopia prevention equipment of 30-；310- controllers；330- first angle adjusters；350- second angles are adjusted
Whole device.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.The component for the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit
Claimed scope of the present utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
First embodiment
Fig. 1 shows a kind of structural representation for simple pre- myopia prevention device that the utility model first embodiment is provided
Figure, referring to Fig. 1, a kind of simple pre- myopia prevention device 10 that the utility model is provided, including control circuit 110, the first human body
Infrared inductor 130, the second human body infrared inductor 150, alarm 170, display 180 and power supply 190, control circuit
110 the first human body infrared inductors 130 of connection, the second human body infrared inductor 150, alarm 170, display 180 and electricity
Source 190.
The first human body infrared inductor 130 that the present embodiment is provided is used for when sensing the infrared ray that human body is sent, then
The first enabling signal is sent to control circuit 110.For example, when having user close to the first human body infrared inductor 130, and user
When being less than first threshold with the distance between the first human body infrared inductor 130, the first human body infrared inductor 130 can be sent
First enabling signal extremely controls circuit 110.
The second human body infrared inductor 150 that the present embodiment is provided is used to start under the control of control circuit 110, and second
Human body infrared inductor 150 senses the infrared ray of human-body emitting at an angle, and the angle adjusted is preferably sensing user
The ultrared angle that head is sent.If sense the infrared ray that human body head is sent, i.e., user's eye posture not at that time, hair
The second enabling signal is sent to control circuit 110；If be not sensed by the infrared ray that human body head is sent, i.e., user's eye posture is being just
When really good, stop signal is sent to control circuit 110.
In the preferred embodiment that the present embodiment is provided, the first human body infrared inductor 130 and the second human body infrared inductor
150 be the ultrared inductor that feeling of passivity extraneous should be sent.The temperature of human body is than other articles in use environment, such as table
Chair, books etc., can be higher by it is many, so can the infrared ray that sends of actual induction human body, faint red such as tables and chairs, books can be excluded
Outer line source, makes device more accuracy.
In the preferred embodiment that the present embodiment is provided, the first human body infrared inductor 130 and the second human body infrared inductor
Angle between 150 can in 0 to 90 degree adjustment, the first human body infrared inductor 130 to detect in its detection range whether
There is user close, i.e., whether sense the infrared ray that human body is sent, sending first if the infrared ray that human body is sent is sensed opens
Dynamic signal extremely controls circuit 110；Eye posture of the second human body infrared inductor 150 to detect user in detection range,
I.e. human body head from desktop with a distance from, if sense the infrared ray that human body head is sent, i.e., user's eye posture not at that time,
Two human body infrared inductors 150 send the second enabling signal to control circuit 110；If be not sensed by that human body head sends is infrared
During line, i.e., when user's eye posture is correct good, stop signal is sent to control circuit 110.But the first human body infrared inductor
130 and the second angle between human body infrared inductor 150 be not limited to this, as long as can effectively detection be used in detection range
The close signal and the angle of attitude information at family, the infrared ray that can be sent by the human body or human body head detected know user
Eye posture, can be used as selection.
The control circuit 110 that the present embodiment is provided is used for the first startup letter for receiving the first human body infrared inductor 130
Start after number, and control the second human body infrared inductor 150 to start.Control circuit 110 is additionally operable to receive the second human body infrared sense
The second enabling signal and stop signal for answering device 150 to send：If receiving the second enabling signal, control circuit 110 then controls report
Alert device 170 is run；If receiving stop signal, control circuit 110 then controls alarm 170 out of service.
The alarm 170 that the present embodiment is provided is used to bring into operation or out of service under the control of control circuit 110.This
In the preferred embodiment that embodiment is provided, alarm 170 is vibration alarm, warns user to have bad appearance in the way of vibration
State, do not influence around other people.Alarm 170 can also be phonetic alarm, warn user to have bad appearance in the way of voice
State.Alarm 170 is not limited to this, as long as the device of user can be warned, in Application Range.
The display 180 that the present embodiment is provided is used for the number of run and simple pre- myopia prevention device of display alarm 170
10 run time.The run time of simple pre- myopia prevention device 10 refers to sense people in the first human body infrared inductor 130
After the infrared ray that body is sent, the time of the other elements operation of the simple pre- myopia prevention device 10 of the first enabling signal triggering is sent.
The power supply 190 that the present embodiment is provided is used to energize, can for dry cell, photocell and AC power etc., as long as energy
The device of electric energy is provided, be can select.
The simple pre- myopia prevention device 10 that the present embodiment is provided is placed in front of the side of user's eye-using environment or front, such as book
In front of the side of user or front on table.In user not in front of the side of simple pre- myopia prevention device 10 or during front, i.e.,
When not in the detection range of the first human body infrared inductor 130, simple pre- myopia prevention device 10 only has the first human body infrared sense
Answer device to be in running status, other elements do not work, not power consumption, save the energy；User is in the side of simple pre- myopia prevention device 10
When front or front, i.e., when in the detection range of the first human body infrared inductor 130, the first human body infrared inductor 130
The first enabling signal is then sent when sensing the infrared ray that human body sends to circuit 110 is controlled, into working condition.Control circuit
110 receive startup after the first enabling signal of the first human body infrared inductor 130 transmission, control the second human body infrared inductor
150 operations.Second human body infrared inductor 150 is run under the control of control circuit 110, for going sensing human body head to send
Infrared ray.If sense the infrared ray that human body head is sent, i.e., user's eye posture not at that time, sends the second enabling signal
To control circuit 110；If be not sensed by the infrared ray that human body head is sent, i.e., when user's eye posture is correct good, send
Stop signal extremely controls circuit 110.Circuit 110 is controlled to receive the second enabling signal that the second human body infrared inductor 150 is sent
And stop signal：If receiving the second enabling signal, control circuit 110 then controls alarm 170 to run；If receiving stopping letter
Number, control circuit 110 then controls alarm 170 out of service.The startup optimization under the control of control circuit 110 of alarm 170
Or it is out of service.
The simple pre- myopia prevention device 10 that the present embodiment is provided passes through the second human body infrared inductor in working condition
Whether 150 sense whether the infrared ray that human body head is sent is correct come the eye posture for judging user, if sensing human body head
The infrared ray that portion is sent, then illustrate that eyes of user is excessively near from desktop, and alarm vibration now uses eye appearance to point out user to note
Gesture, has reached the simple pre- pre- myopic-preventing effect of myopia prevention device 10.
Second embodiment
Fig. 2 shows a kind of structural representation for simple pre- myopia prevention device that the utility model second embodiment is provided
Figure, referring to Fig. 2, the control circuit 110 in the simple pre- myopia prevention device 10 that the present embodiment is provided includes single-chip microcomputer 111, the
One relay 113 and the second relay 115, remaining element are identical with embodiment one.It is red that single-chip microcomputer 111 connects the second human body
Outer inductor 150, the first relay 113, the second relay 115 and display 180, the first relay 113 connect the first
Body infrared inductor 130, the second relay 115 connection alarm 170.
The first human body infrared inductor 130 that the present embodiment is provided is used for when sensing the infrared ray that human body is sent, then
The first enabling signal is sent to control circuit 110.For example, when having user close to the first human body infrared inductor 130, and user
When being less than first threshold with the distance between the first human body infrared inductor 130, the first human body infrared inductor 130 can be sent
First enabling signal extremely controls circuit 110.
The second human body infrared inductor 150 that the present embodiment is provided is used to start under the control of control circuit 110, and second
Human body infrared inductor 150 senses the infrared ray of human-body emitting at an angle, and the angle adjusted is preferably sensing user
The ultrared angle that head is sent.If sense the infrared ray that human body head is sent, i.e., user's eye posture not at that time, hair
The second enabling signal is sent to control circuit 110；If be not sensed by the infrared ray that human body head is sent, i.e., user's eye posture is being just
When really good, stop signal is sent to control circuit 110.
In the preferred embodiment that the present embodiment is provided, the first human body infrared inductor 130 and the second human body infrared inductor
150 be the ultrared inductor that feeling of passivity extraneous should be sent.The temperature of human body is than other articles in use environment, such as table
Chair, books etc., can be higher by it is many, so can the infrared ray that sends of actual induction human body, faint red such as tables and chairs, books can be excluded
Outer line source, makes device more accuracy.
In the preferred embodiment that the present embodiment is provided, the first human body infrared inductor 130 and the second human body infrared inductor
Angle between 150 can in 0 to 90 degree adjustment, the first human body infrared inductor 130 to detect in its detection range whether
There is user close, i.e., whether sense the infrared ray that human body is sent, sending first if the infrared ray that human body is sent is sensed opens
Dynamic signal extremely controls circuit 110；Eye posture of the second human body infrared inductor 150 to detect user in detection range,
I.e. human body head from desktop with a distance from, if sense the infrared ray that human body head is sent, i.e., user's eye posture not at that time,
Two human body infrared inductors 150 send the second enabling signal to control circuit 110；If be not sensed by that human body head sends is infrared
During line, i.e., when user's eye posture is correct good, stop signal is sent to control circuit 110.But the first human body infrared inductor
130 and the second angle between human body infrared inductor 150 be not limited to this, as long as can effectively detection be used in detection range
The close signal and the angle of attitude information at family, can know user's eye posture by ultrared reflection, can be used as selection.
The single-chip microcomputer 111 that the present embodiment is provided is used to start under the control of the first relay 113.Single-chip microcomputer 111 is also used
In the second enabling signal and stop signal that receive the transmission of the second human body infrared inductor 150：If receiving the second enabling signal,
Single-chip microcomputer 111 then sends the first control signal to the second relay 115；If receiving stop signal, single-chip microcomputer 111 then sends
Two control signals to the second relay 115.
The first relay 113 that the present embodiment is provided is opened in receive the transmission of the first human body infrared inductor 130 first
Trigger after dynamic signal and turn on the human body infrared inductor 150 of single-chip microcomputer 111 and second and run.
The second relay 115 that the present embodiment is provided, which is received, controls alarm after the first control signal that single-chip microcomputer 111 is sent
Device 170 is run, and the second relay 115 receives control alarm 170 after the second control signal that single-chip microcomputer 111 is sent and stops fortune
OK.
The alarm 170 that the present embodiment is provided is used to bring into operation or out of service under the control of the second relay 115.
The operation principle for the simple pre- myopia prevention device 10 that the present embodiment is provided is as follows：
The simple pre- myopia prevention device 10 that the present embodiment is provided is not sensed by human body hair in the first human body infrared inductor 130
During the infrared ray gone out, only the first human body infrared inductor 130 is in running status in simple pre- myopia prevention device 10, to detect
The signal of user's approaching device.
The simple pre- myopia prevention device 10 that the present embodiment is provided senses that human body is sent in the first human body infrared inductor 130
Infrared ray when send the first enabling signal trigger the first relay 113 after, into working condition.First relay 113 is received
Triggered after the first enabling signal sent to the first human body infrared inductor 130 and turn on the human body infrared of single-chip microcomputer 111 and second
Inductor 150 is run.If the second human body infrared inductor senses the infrared ray that human body head is sent, i.e. user's eye posture
Not at that time, the second enabling signal is sent to single-chip microcomputer 111；If sense the infrared ray that human body head is sent, i.e. user's eye
When correct set is good, stop signal is sent to single-chip microcomputer 111.Single-chip microcomputer 111 receives the second human body infrared inductor 150 and sent
The second enabling signal and stop signal：If receiving the second enabling signal, single-chip microcomputer 111 then sends the first control signal to
Two relays 115；If receiving stop signal, single-chip microcomputer 111 then sends the second control signal to the second relay 115.Second
Relay 115 controls alarm 170 to run after receiving the first control signal of the transmission of single-chip microcomputer 111；Receive single-chip microcomputer 111
Control alarm 170 is out of service after the second control signal sent.Alarm 170 is opened under the control of the second relay 115
Dynamic operation or out of service.
The simple pre- myopia prevention device 10 that the present embodiment is provided passes through the second human body infrared inductor in working condition
Whether 150 sense whether the infrared ray that human body head is sent is correct come the eye posture for judging user, if sensing, human body is sent out
The infrared ray gone out, then illustrate that eyes of user is excessively near from desktop, and alarm now is vibrated to point out user to note eye posture,
Reach the simple pre- pre- myopic-preventing effect of myopia prevention device 10.
3rd embodiment
Fig. 3 shows a kind of structural representation for simple pre- myopia prevention equipment that the utility model 3rd embodiment is provided
Figure, refers to Fig. 3.A kind of simple pre- myopia prevention equipment 30 provided by the utility model include simple pre- myopia prevention device 10,
Controller 310, first angle controller 330 and second angle controller 350, simple pre- myopia prevention device 10 can be using the
Structure in one embodiment, controller 310 connects connection control circuit 110, and the one end of first angle controller 330 connects connection control circuit
110, the other end connects the first human body infrared inductor 130, and the one end of second angle controller 350 connects connection control circuit 110, another
The second human body infrared inductor 150 of end connection.
In the present embodiment, controller 310 is used for the instruction for receiving user, to the first human body infrared inductor 130 and second
The angle of human body infrared inductor 150 is adjusted, and sends a control signal to control circuit 110, and control circuit 110 is controlled after receiving
First angle controller 330 and second angle controller 350 processed are red to adjust the first human body infrared inductor 130 and the second human body
The angle of outer inductor 150.
In the present embodiment, first angle controller 330 is used for the control signal of response control circuit 110, to the first human body
Infrared inductor 130 carries out angle adjustment.
In the present embodiment, second angle controller 350 is used for the control signal of response control circuit 110, to the second human body
Infrared inductor 150 carries out angle adjustment.
It is adjusted by the angle to the first human body infrared inductor 130 and the second human body infrared inductor 150, can be with
Different users are met to require pre- myopia prevention and the different of correction eye posture.
Fourth embodiment
Fig. 4 shows a kind of structural representation for simple pre- myopia prevention equipment that the utility model fourth embodiment is provided
Figure, refers to Fig. 4.A kind of simple pre- myopia prevention equipment 30 provided by the utility model include simple pre- myopia prevention device 10,
Controller 310, first angle controller 330 and second angle controller 350, simple pre- myopia prevention device 10 can be using the
Structure in two embodiments, the connection single-chip microcomputer 111 of controller 310, the one end of first angle controller 330 connection single-chip microcomputer 111, separately
One end connects the first human body infrared inductor 130, the one end of second angle controller 350 connection single-chip microcomputer 111, other end connection the
Two human body infrared inductors 150.
In the present embodiment, controller 310 is used for the instruction for receiving user, to the first human body infrared inductor 130 and second
The angle of human body infrared inductor 150 is adjusted, and sends a control signal to single-chip microcomputer 111, and single-chip microcomputer 111 controls the after receiving
One angle controller 330 and second angle controller 350 are to adjust the first human body infrared inductor 130 and the second human body infrared sense
Answer the angle of device 150.
In the present embodiment, first angle controller 330 is used for the control signal for responding single-chip microcomputer 111, red to the first human body
Outer inductor 130 carries out angle adjustment.
In the present embodiment, second angle controller 350 is used for the control signal for responding single-chip microcomputer 111, red to the second human body
Outer inductor 150 carries out angle adjustment.
It is adjusted by the angle to the first human body infrared inductor 130 and the second human body infrared inductor 150, can be with
Different users are met to require pre- myopia prevention and the different of correction eye posture.
In summary, the utility model provides a kind of simple pre- myopia prevention device and equipment, simple pre- myopia prevention device bag
Include the first human body infrared inductor being sequentially connected, the first relay, single-chip microcomputer and the second human body for being connected with single-chip microcomputer red
Outer inductor, the second relay, the second relay connection alarm, when the first human body infrared inductor senses what human body was sent
The first relay conducting single-chip microcomputer and the element being connected with single-chip microcomputer are just triggered after infrared ray, the first human body infrared inductor is not felt
Only have the first human body infrared inductor to be in operation when should arrive the infrared ray that human body sends, save the energy；Second human body after conducting
Infrared inductor is according to whether sense that the infrared ray that human body head is sent sends corresponding signal to single-chip microcomputer, single-chip microcomputer passes through
The vibration and stopping of second Control alarm, point out user to correct the distance of eyes and desktop, with pre- myopic-preventing
Function；The angle between the first human body infrared inductor and the second human body infrared inductor is can adjust in simple pre- myopia prevention equipment
Degree, to adapt to the use demand of different users.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or be integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " on ", " under ", "left", "right", " interior ", " outer ",
The orientation or position relationship of the instructions such as " before side ", " before just " are or the reality based on orientation shown in the drawings or position relationship
The orientation or position relationship usually put when being used with novel product, are for only for ease of description the utility model and simplification is retouched
State, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.Preferred embodiment of the present utility model is the foregoing is only, not
For limiting the utility model, for those skilled in the art, the utility model can have various modifications and variations.It is all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality
Within new protection domain.
Claims (10)
1. a kind of simple pre- myopia prevention device, it is characterised in that red including power supply, the first human body infrared inductor, the second human body
Outer inductor, control circuit and alarm, the control circuit connect the power supply, the first human body infrared induction respectively
Device, the second human body infrared inductor and the alarm, the power supply are used to power, the first human body infrared induction
Device is used to send the first enabling signal when sensing the infrared ray that human body is sent to the control circuit, the control circuit
Start after first enabling signal for receiving and control the second human body infrared inductor to start, second human body
Infrared inductor is used to send the second enabling signal when sensing the infrared ray that human body head is sent to the control after starting
Circuit processed, the control circuit, which is used to receive, controls the alarm to run after second enabling signal.
2. simple pre- myopia prevention device as claimed in claim 1, it is characterised in that the second human body infrared inductor starts
It is additionally operable to send stop signal afterwards when being not sensed by the infrared ray that human body head is sent to the control circuit, the control electricity
Road is used to receive to control the alarm out of service after the stop signal.
3. pre- myopia prevention device as claimed in claim 1 simple, it is characterised in that the control circuit includes single-chip microcomputer, the
One relay and the second relay, the single-chip microcomputer connect the second human body infrared inductor, first relay with
And second relay, first relay connects the first human body infrared inductor, and the second relay connection is described
Alarm.
4. simple pre- myopia prevention device as claimed in claim 3, it is characterised in that the first human body infrared inductor is used for
Trigger first relay sending first enabling signal when sensing the infrared ray that human body is sent, described first after
Electrical equipment is used to receive the institute for starting and turning on the single-chip microcomputer after first enabling signal and connect with the single-chip microcomputer
State the second human body infrared inductor, second relay and the alarm.
5. simple pre- myopia prevention device as claimed in claim 4, it is characterised in that the second human body infrared inductor starts
It is used to send second enabling signal when sensing the infrared ray that human body head is sent to the single-chip microcomputer, the list afterwards
Piece machine is used to receive to send the first control signal after second enabling signal to second relay, second relay
Device, which is used to receive, controls the alarm to run after first control signal.
6. simple pre- myopia prevention device as claimed in claim 5, it is characterised in that the second human body infrared inductor starts
It is additionally operable to send stop signal to the single-chip microcomputer when being not sensed by the infrared ray that human body hair head goes out afterwards, the single-chip microcomputer is used
The second control signal is sent after the stop signal to second relay in receiving, second relay is used to receive
Control the alarm out of service after to second control signal.
7. the simple pre- myopia prevention device as described in any one of claim 1 to 6, it is characterised in that the simple pre- myopia prevention
Device also includes display, and the display connects the control circuit.
8. simple pre- myopia prevention device as claimed in claim 7, it is characterised in that the display is used to show the alarm
The time of the number of run of device and the simple pre- myopia prevention plant running.
9. a kind of simple pre- myopia prevention equipment, it is characterised in that adjusted including simple pre- myopia prevention device, controller, first angle
Whole device and second angle adjuster, the simple pre- myopia prevention device include power supply, the first human body infrared inductor, the second people
Body infrared inductor, control circuit and alarm, the controller connect the control circuit, the first angle adjuster
It is connected between the control circuit and the first human body infrared inductor, the second angle adjuster is connected to the control
Between circuit processed and the second human body infrared inductor, the control circuit connects the power supply, first human body respectively
Infrared inductor, the second human body infrared inductor and the alarm, the power supply are used to power, and the controller is used
The first angle adjuster and the second angle adjuster is controlled to adjust first human body infrared in receiving user instruction
Angle between inductor and the second human body infrared inductor, the first human body infrared inductor is used to sense
The first enabling signal is sent during the infrared ray that human body is sent to the control circuit, the control circuit is used to receiving described the
Start after one enabling signal and control the second human body infrared inductor to start, after the second human body infrared inductor starts
For sending the second enabling signal when sensing the infrared ray that human body head is sent to the control circuit, the control electricity
Road, which is used to receive, controls the alarm to run after second enabling signal.
10. simple pre- myopia prevention equipment as claimed in claim 9, it is characterised in that the second human body infrared inductor is opened
It is additionally operable to send stop signal after dynamic when being not sensed by the infrared ray that human body head is sent to the control circuit, the control
Circuit is used to receive to control the alarm out of service after the stop signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314501.8U CN206378972U (en) | 2016-12-01 | 2016-12-01 | Simple pre- myopia prevention device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314501.8U CN206378972U (en) | 2016-12-01 | 2016-12-01 | Simple pre- myopia prevention device and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206378972U true CN206378972U (en) | 2017-08-04 |
Family
ID=59405350
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621314501.8U Expired - Fee Related CN206378972U (en) | 2016-12-01 | 2016-12-01 | Simple pre- myopia prevention device and equipment |
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| Country | Link |
|---|---|
| CN (1) | CN206378972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903529A (en) * | 2019-03-08 | 2019-06-18 | 潍坊学院 | A kind of pre- myopic-preventing alarm set |
-
2016
- 2016-12-01 CN CN201621314501.8U patent/CN206378972U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903529A (en) * | 2019-03-08 | 2019-06-18 | 潍坊学院 | A kind of pre- myopic-preventing alarm set |
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