CN2373778Y

CN2373778Y - Sight protector with tachymetering and controlling

Info

Publication number: CN2373778Y
Application number: CN 99210233
Authority: CN
Inventors: 丁瑞芳
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-05-15
Filing date: 1999-05-15
Publication date: 2000-04-12
Anticipated expiration: 2009-05-15

Abstract

The utility model discloses an eyesight-protecting device for detecting and controlling an eye release, composed of the components of detecting source, a detector, an amplifier, a discriminator, a timer, a controller, a reminding device, power supply, etc. The utility model automatically carries out a detection to the eye release by adopting the signal of infrared radiation, etc. or utilizing infrared radiation generated by a human body, and can achieve the purpose that the eye release can be told and controlled. Furthermore, the utility model has the characteristics of reliable and accurate detecting property of the eye release, simple structure and circuit, convenient manufacture, low cost, convenient use, etc.

Description

Sighting distance is surveyed the control vision protector

The utility model relates to the sighting distance sniffer in the radio electronics field, is specially adapted to do the device of automatic range control vision protection.

Televisor has entered huge numbers of families at present; and cause thus people especially children's visual deterioration also increase gradually; the hypotelorism of wherein seeing TV is the key factor that causes visual deterioration; see the TV hypotelorism and point out or alarm and television product of selling now on the market and similar protector product are all unmatchful; caused closely for a long time and saw TV and the decline that affects one's power of vision, thereby caused unnecessary damage of people's visual deterioration and misery.

The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and provides a kind of and adopt signal such as infrared ray to carry out the sighting distance that sighting distance surveys automatically to survey the control vision protector; and the utility model also has automatic sighting distance detection performance accurately and reliably; circuit and simple in structure; easy to make; with low cost; be convenient to penetration and promotion and use, characteristics such as the user is easy to use.

The purpose of this utility model is achieved in that it is by detection source 1, detector 2, amplifier 3, Discr. 4, timer 5, controller 6, prompting device 7, power supply 8 is formed, wherein detection source 1 goes out end signal and reflexes to detector 2 through human body A and go into end and connect, detector 2 goes out end and is connected in series amplifier 3 successively, Discr. 4, timer 5 backs are gone into end with controller 6 and are connected, controller 6 goes into to hold B to be connected with the external tv antenna port, go out to hold C to be connected with external tv machine antenna port, controller 6 is come in and gone out and is held D, E goes into outbound port with external video signal source respectively and is connected, Discr. 4 another roads go out end and are connected with prompting device 7, and power supply 8 output+V voltage ends are connected with voltage ends at different levels.

The purpose of this utility model can also reach by following measure:

The utility model detection source 1 is by lens 9, transmitter D ₁, D ₂, modulator 10 forms, wherein lens 9 usefulness securing members are installed in transmitter D ₁, D ₂The front side, modulator 10 goes out end 3 pin serial connection transmitter D ₁, D ₂, resistance R ₁Back earth terminal, go out end 5 pin serial connection capacitor C ₁Back earth terminal, go out end 1 pin earth terminal, go out end 2 pin and 6 pin and meet back and potentiometer W ₁One end and capacitor C ₂One end also meets, goes out end 7 pin and potentiometer W ₁The other end and center tap and resistance R ₂One end also connects, goes out

end

4,8 pin and resistance R ₂The other end goes out end+V voltage end with power supply 8 and is connected capacitor C ₂Other end earth terminal.

The utility model detector 2 is by lens 11, receiver D ₃, D ₄Form or by lens 12, sensor D ₅Form, wherein by lens 11, receiver D ₃, D ₄During composition, lens 11 usefulness securing members are installed in receiver D ₃, D ₄The front side, receiver D ₃Negative pole serial connection receiver D ₄The back is connected receiver D with the ground end ₃Positive pole and potentiometer W ₂One end and capacitor C ₃One end also connects, potentiometer W ₂The other end and center tap go out end+V voltage end with power supply 8 and are connected capacitor C ₃Other end series resistor R ₃The back is gone into end with amplifier 3 and is connected; By lens 12, sensor D ₅During composition, lens 12 usefulness securing members are installed in sensor D ₅The front side, sensor D ₅Go out to hold the D utmost point to go out end+V voltage end and be connected, go out to hold the G utmost point and ground end to be connected, to go out to hold the S utmost point to go into end and be connected with amplifier 3 with power supply 8.

The utility model Discr. 4 is made up of phase locking unit integrated package 13 or is made up of thermoelectric infrared control module 14, and when wherein being made up of phase locking unit integrated package 13, phase locking unit integrated package 13 is gone into end 1 pin and gone out end with amplifier 3 and be connected, and goes out to hold 2,3 pin to be connected in series capacitor C respectively ₄, C ₅Back earth terminal, go out end 4 pin serial connection potentiometer W ₃The back is connected, goes out end 5 pin and potentiometer W with the ground end ₃Center tap also connects the back and is connected, goes out end 6 pin with ground end and respectively go into end with timer 5, prompting device 7 respectively and connect, go out to hold 7 pin and power supply 8 to go out end+V voltage end to be connected, to go out to hold 8 pin to hold with ground to be connected.When being made up of thermoelectric infrared control module 14, amplifier 3 goes out end and goes into to hold 2 pin to be connected with thermoelectric infrared control module 14, and thermoelectric infrared control module 14 goes out end 4 pin and power supply 8 goes out end+V voltage end and resistance R ₄One end also connects, goes out end 5 pin and resistance R ₄The other end and capacitor C ₆One end also connects, goes out end 6 pin, capacitor C ₆The other end is with the ground end and connect, go out to hold 7 pin to be connected in series capacitor C ₇Back earth terminal, go out end 10 pin and timer 5 and go into end and prompting device 7 and go into to hold and connect.

The utility model is compared background technology following advantage:

1. the utility model adopts detection source 1, detector 2 to survey sighting distance control vision protection automatically, so the sighting distance detection performance accurately and reliably, can effectively prevent the generation of visual deterioration, reaches the purpose of vision protection.

2. the utility model is surveyed sighting distance and is promptly protected the length of sighting distance can adjust at any time according to the TV screen size, point out or warn, so the user is easy to use.

3. the utility model circuit and simple in structure is easy to make, and is with low cost, is convenient to penetration and promotion and uses.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is the utility model electricity functional-block diagram.

Fig. 2 is the electrical schematic diagram of 1 one kinds of embodiment of the utility model detection source.

Fig. 3, Fig. 4 are the electrical schematic diagrams of two kinds of embodiment of the utility model detector 2.

Fig. 5, Fig. 6 are the electrical schematic diagrams of two kinds of embodiment of the utility model Discr. 4.

Referring to figs. 1 through Fig. 6, the utility model is made up of detection source 1, detector 2, amplifier 3, Discr. 4, timer 5, controller 6, prompting device 7, power supply 8.1 its effect of the utility model detection source is to produce infrared ray or produce signals such as microwave, ultrasound wave, signals such as the infrared ray of its generation or the microwave of generation, ultrasound wave are emitted to human body by transmitter emission sighting distance detectable signal through lens focus and produce reflected signal after modulators modulate, receive reflected signal by detector 2 and reach the purpose of surveying sighting distance.Embodiment detection source 1 is by lens 9, transmitter D ₁, D ₂, modulator 10 forms, Fig. 2 is the electric key wiring diagram of the utility model detection source 1 embodiment, and by its connection line, lens 9 its effects in the embodiment detection source 1 are to transmitter D ₁, D ₂The infrared ray or the signals such as microwave, ultrasound wave of emission carry out the emission angle size that focus control transmits, and embodiment lens 9 adopt commercially available Fresnel optical lens to make.Transmitter D ₁, D ₂Its effect is emission infrared ray or signals such as microwave, ultrasound wave, embodiment transmitter D ₁, D ₂Adopt commercially available TLN104 type infrared tube to make, the emission infrared signal is surveyed sighting distance, and modulator 10 its effects are to transmitter D ₁, D ₂Transmission frequency modulate, adjust the infrared emission frequency, embodiment potentiometer W ₁Adjust the infrared emission frequency, make transmission frequency can avoid the wave band of TV remote controller use in order to avoid interfere with each other.Embodiment modulator 10 adopts commercially available NE555 type integrated package to make.

2 its effects of the utility model detector are emitted to detector 2 through the infrared ray or the infrared signals that signal or human body produced such as microwave, ultrasound wave of human body A reflection, the signal that detector 2 receives the human body reflection or produces, induction converts the purpose that electric signal reaches reception to, and the signal input amplifier 3 that receives is amplified.Embodiment detector 2 is by lens 11, receiver D ₃, D ₄Form or by lens 12, sensor D ₅Form, Fig. 3 is that the utility model detector 2 is by lens 11, receiver D ₃, D ₄The electric key wiring diagram of embodiment during composition, and by its connection line.Fig. 4 is that the utility model detector 2 is by lens 12, sensor D ₅The electric key wiring diagram of embodiment during composition, and by its connection line.Lens 11 in the embodiment detector 2 or lens 12 its effects are the infrared ray that receives through human body reflection or the infrared signals that signal or human body produced such as microwave, ultrasound wave to be focused on input to receiver D ₃, D ₄Or sensor D ₅, focusing on the receiving intensity of enhancing signal, embodiment lens 11, lens 12 adopt commercially available Fresnel optical lens to make, and lens 9,11,12 usefulness securing members are installed in transmitter D ₁, D ₂Or receiver D ₃, D ₄, sensor D ₅The front side makes signal can directly see through lens 9,11,12.Receiver D ₃, D ₄Or sensor D ₅Its effect is receiving infrared-ray or microwave, ultrasonic signal, and the infrared signal that human body produced, and the induction of signal that receives is converted to electric signal input amplifier 3 amplify embodiment receiver D ₃, D ₄Adopt commercially available TLP104 type infrared receiving tube to make sensor D ₅Adopt commercially available P228 type pyroelectric infrared sensor to make.3 its effects of the utility model amplifier are amplified the reception induced signal of input, by amplification quantity or the lens 11,12 and the receiver D of potentiometer resonance-amplifier 3 ₃, D ₄Or sensor D ₅Between distance directly transfer survey sighting distance, embodiment survey sighting distance can be between 2 to 10 meters distance adjustable.Amplifier 3 adopts commercially available CA741 type computing to amplify and makes.

4 its effects of the utility model Discr. are that the induced signal after amplifying through amplifier 3 is deciphered; make the signal of its reception consistent with the signal Synchronization of emission; or remove noise signal in the received signal, make to receive induced signal and reach the detection sighting distance that enough big incoming timing device 5 and prompting device 7 are indicated vision protections.Embodiment Discr. 4 is made up of phase locking unit integrated package 13 or is made up of thermoelectric infrared control module 14.Fig. 5 is the electric key wiring diagram of the utility model Discr. 4 embodiment when being made up of phase locking unit integrated package 13, and by its connection line.Fig. 6 is the electric key wiring diagram of the utility model Discr. 4 embodiment when being made up of thermoelectric infrared control module 14, and by its connection line.Induced signal after embodiment phase locking unit integrated package 13 pair amplifiers 3 amplify is deciphered, and makes the induced signal of its reception synchronously consistent fully, interference-free with the signal of emission, exports enough big signal incoming timing device 5 and prompting device 7.Thermoelectric infrared control module 14 its effects of embodiment are to sensor D ₅Received signal amplify discriminating, export control signal driving timing device 5, prompting device 7 then.Embodiment phase locking unit integrated package 13 adopts commercially available 41567 type phase locking unit integrated packages to make, and thermoelectric infrared control module 14 adopts the thermoelectric infrared integrated package of commercially available HD-03 type to make.

The utility model timer 5 is done as delay circuit, delay time can be adjusted by the potentiometer in the circuit, the embodiment delay time is adjustable in 1 to 10 second, if timer 5 is not exported the sighting distance detectable signal at this moment, can not drive 6 work of subordinate's controller, if surpass 1 to 10 second, timer 5 output sighting distance detectable signals drive 6 work of subordinate's controller.The commercially available CD4538 type that adopts embodiment chronotron 5 triggers monostalbe trigger time-delay integrated package and makes.The sighting distance that the utility model prompting device 7 effect bulletin vision protections are surveyed; prompting device 7 not only available light but also available sounds alarm protection sighting distance; embodiment prompting device 7 adopts commercially available 2EF421 type light emitting diode to use up and does the sighting distance alarm; when in the protection sighting distance; prompting device 7 lamps are bright, surpass protection sighting distance prompting device 7 lamps and go out.6 its effects of the utility model controller are after receiving the sighting distance detectable signal; controller 6 triggers driving work; make the relay work in the place in circuit, the connection that relay contact disconnects being connected of television antenna and televisor or disconnects vision signal reaches the vision protection purpose.Embodiment controller 6 is made up of transistor and midget relay, and transistor adopts commercially available 9012 type transistor element manufacturing, and midget relay adopts commercially available universal miniature relay to make.

Embodiment the utility model power supply 8 adopts general direct current regulation circuit to make, and its output dc voltage+V voltage is+12V voltage.Devices such as all resistance that adopt in the utility model, electric capacity, potentiometer all adopt commercially available general-purpose device to make.

The concise and to the point principle of work of the utility model is as follows: detection source 1 emission infrared ray or sighting distance detectable signals such as microwave, ultrasound wave are emitted to human body through lens 9 focusing and reflex to detector 2, or directly being emitted to detector 2 by the infrared ray sighting distance detectable signal that human body produced, detector 2 is emitted to receiver D after lens 11 or lens 12 focus on the sighting distance detectable signal ₃, D ₄Or sensor D ₅, receiver D ₃, D ₄Or sensor D ₅Induction produces electric signal after receiving the sighting distance detectable signal, 3 pairs of inductions of input amplifier sighting distance detectable signal amplifies then, sighting distance detectable signal input Discr. 4 after amplifying carries out phase-locked decoding makes received signal consistent synchronously with emission signal frequency, or remove noise signal in the received signal, make the induction sighting distance detectable signal of reception reach enough big incoming timing device 5 and prompting device 7, prompting device 7 lamps are bright, then explanation watches the TV sighting distance too near, timer 5 is made delay time, general adjustable 1 to 10 second, the person falls back on beyond the safe distance to watch the TV at this moment, and then prompting device 7 lamps go out.When surpassing delay time; the person does not fall back on safe distance to watch the TV; (safe distance determines by the televisor size; can adjust voluntarily; embodiment is adjustable in 2 to 10 meters distances), timer 5 output signal driving governors 6 conductings at this moment, relay adhesive; cut off input TV signal or vision signal, reach the purpose of control vision protection.If only pass through before televisor as the people, because of not surpassing the delay time of timer 5, so controller 6 can not cut off TV signal, and is therefore safe and reliable, reaches the purpose that sighting distance is protected in control.

The utility model structure is as follows: it is in 150 * 100 millimeters the printed board that the circuit devcie among Fig. 1 to Fig. 6 is installed in a block length * wide, then whole printed board is installed in the shielding box, can be directly installed on shielding box in the TV, and lens 9,11,12, transmitter D ₁, D ₂, receiver D ₃, D ₄And sensor D ₅Be installed in the televisor front side surface, by lead signal is incorporated in the printed board directly send, signal such as receiving infrared-ray, shield the camera cable socket that input/output terminal B, C, D, E port are installed on the back side panel of worn-out box, going out end and TV set aerial by cable and television antenna goes into end and connects and hold, or be connected with vision signal, the utility model also can be installed in one to the worn-out box of screen independently in the casing, size length * wide * the height of casing is 155 * 105 * 50 millimeters, be convenient to user flexibility and use, during installation lens 9,11,12, transmitter D ₁, D ₂, receiver D ₃, D ₄Reach sensor D5 installation and expose the casing header board, be convenient to direct transmission, received signal, input/output port B, C, D, E camera cable socket are installed on the plate behind the casing, coming in and going out to hold by cable and televisor or vision signal is connected the assembly cost utility model.

Claims

1. one kind by amplifier (3); timer (5); controller (6); prompting device (7); the sighting distance that power supply (8) is formed is surveyed the control vision protector; it is characterized in that detection source (1) in addition; detector (2); Discr. (4) is formed; wherein detection source (1) goes out end signal and reflexes to detector (2) through human body A and go into end and connect; detector (2) goes out end and is connected in series amplifier (3) successively; Discr. (4); timer (5) back is gone into end with controller (6) and is connected; controller (6) goes into to hold B to be connected with the external tv antenna port; go out to hold C to be connected with external tv machine antenna port; controller (6) is come in and gone out and is held D; E goes into outbound port with external video signal source respectively and is connected; another road of Discr. (4) goes out end and is connected with prompting device (7), and power supply (8) output+V voltage end is connected with voltage ends at different levels.

2. sighting distance according to claim 1 is surveyed the control vision protector, it is characterized in that detection source (1) is by lens (9), transmitter D ₁, D ₂Modulator (10) is formed, and wherein lens (9) are installed in transmitter D with securing member ₁, D ₂The front side, modulator (10) goes out end 3 pin serial connection transmitter D ₁, D ₂, resistance R ₁Back earth terminal, go out end 5 pin serial connection capacitor C ₁Back earth terminal, go out end 1 pin earth terminal, go out end 2 pin and 6 pin and meet back and potentiometer W ₁One end and capacitor C ₂One end also meets, goes out end 7 pin and potentiometer W ₁The other end and center tap and resistance R ₂One end also connects, goes out end 4,8 pin and resistance R ₂The other end goes out end+V voltage end with power supply (8) and is connected capacitor C ₂Other end earth terminal.

3. sighting distance according to claim 1 and 2 is surveyed the control vision protector, it is characterized in that detector (2) is by lens (11), receiver D ₃, D ₄Form or by lens (12), sensor D ₅Form, wherein by lens (11), receiver D ₃, D ₄During composition, lens (11) are installed in receiver D with securing member ₃, D ₄The front side, receiver D ₃Negative pole serial connection receiver D ₄The back is connected receiver D with the ground end ₃Positive pole and potentiometer W ₂One end and capacitor C ₃One end also connects, potentiometer W ₂The other end and center tap go out end+V voltage end with power supply (8) and are connected capacitor C ₃Other end series resistor R ₃The back is gone into end with amplifier (3) and is connected; By lens (12), sensor D ₅During composition, lens (12) are installed in sensor D with securing member ₅The front side, sensor D ₅Go out to hold the D utmost point to go out end+V voltage end and be connected, go out to hold the G utmost point and ground end to be connected, to go out to hold the S utmost point and amplifier (3) to go into end and be connected with power supply (8).

4. sighting distance according to claim 3 is surveyed vision protector; it is characterized in that Discr. (4) is made up of phase locking unit integrated package (13) or is made up of thermoelectric infrared control module (14); wherein by phase locking unit integrated package (13) when forming; phase locking unit integrated package (13) is gone into end 1 pin and is gone out end with amplifier (3) and be connected, and goes out to hold 2,3 pin to be connected in series capacitor C respectively ₄, C ₅Back earth terminal, go out end 4 pin serial connection potentiometer W ₃The back is connected, goes out end 5 pin and potentiometer W with the ground end ₃Center tap also connects the back and is connected, goes out end 6 pin with ground end and respectively go into end with timer (5), prompting device (7) respectively and connect, go out to hold 7 pin and power supply (8) to go out end+V voltage end to be connected, to go out to hold 8 pin to hold with ground to be connected; When forming, amplifier 3 goes out end and goes into to hold 2 pin to be connected with thermoelectric infrared control module (14) by thermoelectric infrared control module (14), and thermoelectric infrared control module (14) goes out end 4 pin and power supply (8) goes out end+V voltage end and resistance R ₄One end also connects, goes out end 5 pin and resistance R ₄The other end and capacitor C ₆One end also connects, goes out end 6 pin, capacitor C ₆The other end is with the ground end and connect, go out to hold 7 pin to be connected in series capacitor C ₇Back earth terminal, go out end 10 pin and timer (5) and go into end and prompting device (7) and go into to hold and connect.