CN2236073Y - Multi-function vision-protection desk lamp - Google Patents
Multi-function vision-protection desk lamp Download PDFInfo
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- CN2236073Y CN2236073Y CN 95214177 CN95214177U CN2236073Y CN 2236073 Y CN2236073 Y CN 2236073Y CN 95214177 CN95214177 CN 95214177 CN 95214177 U CN95214177 U CN 95214177U CN 2236073 Y CN2236073 Y CN 2236073Y
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Abstract
The utility model discloses a desk lamp, particularly a multifunction vision-protection desk lamp, which is composed of a power circuit, a light-modulating circuit, a circulating control circuit, a light control alarm circuit, an infrared observation and control alarm circuit, a low-frequency flashing circuit, a language cue circuit, a hypnosis circuit, a waking circuit, etc. The utility model can modulate light automatically and manually, automatically control work-rest time, switch on under weak light, give alarm under bright light, prompt and correct sitting positions, and also has the functions of alleviating eye strain, hypnosis, waking, language prompting, sight test, etc. The desk lamp has the advantages of complete functions, reasonable circuit design, safety, convenience and ideal effect, which is incomparable by any other healthy desk lamps.
Description
The utility model relates to a kind of desk lamp, particularly a kind of multi-functional sight protectio desk lamp.
The present desk lamp of selling on the market, be mostly can not light modulation fluorescent lamp and incandescent lamp, incandescent lamp partially manual and with an automatic light meter is also arranged.Though desk-top fluorescent lamp has advantages such as the soft and economize on electricity of light, be difficult for starting during, cold weather low, and light has the phenomenon of flashing when voltage hangs down, and is unfavorable for eye health at voltage.Incandescent lamp that can not light modulation is because the bulb power of assembling is generally bigger than normal, and illumination is too strong, damages eyes easily.Manually be better than can not light modulation for the incandescent lamp of light modulation, but institute's degree of lightening is unsuitable moderate, and can influence the stable of brightness because of grid voltage change.Electronics desk lamp brightness with an automatic light meter can be constant in the scope of defined, but because of the function dullness, do not have the effect of general protection eyesight.
The purpose of this utility model will overcome above-mentioned shortcoming exactly; a kind of also manually light modulation automatically is provided, can reminds correcting sitting postures, high light is reported to the police, the low light level is turned on light; can control daily schedule, energy easing eyes fatigue automatically, and the multi-functional sight protectio desk lamp that can give a test of one's eyesight at any time.
To achieve these goals, the utility model adopts following technical scheme: multi-functional sight protectio desk lamp, it comprises base, support, lamp socket, lampshade, bulb and current rectifying and wave filtering circuit, circulating controling circuit, light adjusting circuit, infrared observing and controlling warning circuit.Circulating controling circuit is mainly by time base integrated package NE
555Form, the time base integrated package NE
5553 pin on be connected with relay J, can control the light on and off of bulb, then by the control of Electric potentials of its input 2,6 pin, 2,6 pin are 1/3 o'clock of supply voltage to the height of its 3 pin output level, then output 3 pin are high level; 2,6 pin are 2/3 o'clock of supply voltage, and then output 3 pin are low level, the time base integrated package NE
5552,6 pin and power cathode between be connected to a big capacitor C
11, pass through resistance R
17With adjustable resistance R
18To capacitor C
11Charging, but capacitor C
11Both end voltage can not be suddenlyd change, in capacitor C
11Both end voltage be raised to supply voltage 2/3 before, time base integrated package NE
5553 pin be output as high level, bulb is bright, works as capacitor C
11Both end voltage is raised to 2/3 o'clock of supply voltage, time base integrated package NE
5552,6 pin be high potential, 3 pin are low level, bulb closes and to go out.This constantly basis set become piece NE
5557 pin be electronegative potential, by capacitor C
11Through adjustable resistance R
19With time base integrated package NE
5557 pin discharges, capacitor C
11Both end voltage drops to 1/3 o'clock of supply voltage, time base integrated package NE
5553 pin upsets be high level, the relay J adhesive, bulb is turned on again.Regulate adjustable resistance R
18, R
19Resistance, change capacitor C
11The time that discharges and recharges can make the time of bulb ZD on and off be respectively 45 minutes and 15 minutes, and according to this circulation go down, this time interval similar school science daily schedule, help protection to student eyesight.This circuit has also added a double-pole four and has thrown toggle switch K
3, capacitor C
11Positive pole be connected on its contact, right side 2, between its contact, right side 3 and ground, be in series with Zener diode D
10And resistance R
16, double-pole four is thrown toggle switch K
3Contact, the left and right sides 1 be connected on the positive pole of power supply after linking to each other.Double-pole four is thrown toggle switch K when so just turning on light
31,2 contacts are connected, even with 2,3 contactings, are parked in 3,4 contact positions at last, when this operation can guarantee just to send electricity, promptly lighting time also can keep 45 minutes for the first time, base integrated package NE when having overcome
555The initial positive pulse of the multivibrator output of forming after just continuous pulse be wide this common disadvantage.
Light adjusting circuit is by bidirectional triode thyristor SCR
2With potentiometer RP
1, adjustable resistance R
21, capacitor C
13Form resistance R
21And capacitor C
13Form rc phase shifter circuit, by two-way admittance diode DB control bidirectional triode thyristor SCR
2The angle of flow, thereby regulate the brightness of bulb, capacitor C
13Two ends are parallel with photo resistance RG
3, pass through RG
3Negative feedback realize automatic adjusting to bulb brightness.With DPDT waved switch K
2-1, K
2-2After pulling 2 positions, contact, but regulator potentiometer RP
1Realization is to the manual adjustments of bulb brightness.
Infrared observing and controlling warning circuit is by hex inverter CD
4069, frequency decoder LM
567With infrared-emitting diode D
6, infrared receiving diode D
7Form, it is with frequency decoder LM
567The rectangular pulse of the certain frequency that produces directly is added to triode BG
1Base stage, through triode BG
1After the amplification, be added in infrared-emitting diode D
6On make it send modulation signal, if infrared-emitting diode D
6There is obstacle in the place ahead, and when when having (what head was lifted when for example the student learnt is too low), after modulation signal was blocked the thing reflection, a part of signal was by infrared receiving diode D
7Receive, through hex inverter CD
4069Send into frequency decoder LM after the amplification
5673 pin, through frequency decoder identification decoding, LM
5678 pin be low level by high level upset, again through F
4Change high level after anti-phase into, at this moment BG
2Be cut off, by F
5And F
6And resistance R
10, capacitor C
9The audio frequency oscillator starting of oscillation of forming, resistance R
11This signal is delivered to triode BG
3,, remind the student to rectify sitting posture, if infrared-emitting diode D by loudspeaker Y output alarm signal
6Preceding obstacle is left away (student has lifted head), and then reporting to the police stops, otherwise after the several seconds kind, promptly through resistance R
9, capacitor C
8After the time-delay, through diode D
13Guide, high potential is added to the NE of circulating controling circuit
5552,6 pin, relay J discharges, bulb closes and goes out, this moment, bulb can be turned on again as long as rectify sitting posture.
Be connected with the light control alarm circuit on its circuit, this circuit is by resistance R
12, R
14, R
15, photo resistance RG
1, RG
2, capacitor C
10, Zener diode D
8Form, as strong illumination photo resistance RG
1After, its resistance reduces, triode BG
2End because of its base voltage reduces, loudspeaker Y reports to the police; By resistance R
14, photo resistance RG
2Deng the light-operated circuit of forming, when the indoor natural light line is lower than 100LX, photo resistance RG
2Resistance rises, and Zener diode D8 is because of its negative terminal voltage rising conducting, through resistance R
15, capacitor C
10After the time-delay, trigger controllable silicon SCR
1Conducting, the relay J adhesive, bulb ZD is bright.
Also be connected with the low frequency flasher circuit on its circuit, the low frequency flasher circuit is time base integrated package NE by one
555With two green LED D
15, D
16, two potentiometer RP
2, RP
3And resistance R
22, R
23, capacitor C
14, C
15The astable multivibrator of forming, its frequency of oscillation is by potentiometer RP
2, RP
3And capacitor C
14Decision, this circuit one terminates at positive source, and the other end is connected on the time basic integrated package NE of circulating controling circuit (10)
555 Pin 3 on.When bulb is bright, the time basic integrated package NE of circulating controling circuit
5553 pin output high level, this low frequency flasher circuit is not worked, when bulb goes out, the low frequency flasher circuit is just started working, the preceding learner's eyes eyeball of lamp this moment is followed the tracks of and was taken turns forced adjustment eyeball, easing eyes fatigue, recovery and correction eyesight luminous green LED 5-10 minute.
Also can be added with the verbal cue circuit on the circuit of multi-functional sight protectio desk lamp, this circuit is by the language ic chip
6, IC
7And auxiliary original paper is formed base integrated package NE when it is subjected to circulating controling circuit
5553 pin output levels control, when bulb firm when bright, the output of 3 pin high level, at this moment language sheet IC
7Work, speech signal is through triode BG
3The amplification back is sent by loudspeaker " please sit up straight the protection eyes! " sound with the prompting teenager note the posture of reading.When go out in the bulb pass, the time basic integrated package NE of circulating controling circuit
5553 pin be low level, this moment the language ic chip
6The verbal cue of " have a good rest, carry out health care, recover eyesight " is sent in work, loudspeaker.
It also has regularly wakeup circuit, and this circuit is by counting decoder CD
4017, cock is integrated KD
5609Deng composition, can when turning off the light rest, be set the time of having a rest, after the time arrived, loudspeaker sent clear and melodious cock cry, urges the people to get up.
Multi-functional sight protectio desk lamp is equipped with the pocket visual chart of a frame international standard on the support of its base, it can be tested eyesight timely and effectively, thereby accomplishes to know what's what.
Adopted the multi-functional sight protectio desk lamp of this structure; rational in infrastructure; multiple functional; easy to use; it is from causing the objective and subjective reason of myopia; take multiple prevention and safeguard measure, myopia has been had tangible prevention and therapeutic action, simultaneously amblyopia, astigmatism, long sight, stravismus and presbyopia etc. have been had certain prevention and mitigation.
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1 is the schematic appearance of multi-functional sight protectio desk lamp.
Fig. 2 is the circuit theory diagrams of the multi-functional sight protectio desk lamp of I type.
Fig. 3 is the circuit theory diagrams of the multi-functional sight protectio desk lamp of II type.
Fig. 4 is the circuit theory diagrams of the multi-functional sight protectio desk lamp of III type.
Fig. 5 is the circuit theory diagrams of the multi-functional sight protectio desk lamp of IV type.
Fig. 6 is the circuit theory diagrams of the multi-functional sight protectio desk lamp of V-type.
Fig. 7 is the circuit theory diagrams of the multi-functional sight protectio desk lamp of VI type.
With reference to Fig. 1, Fig. 2.Multi-functional sight protectio desk lamp is by base (1), base panel (2), support (3), snake bend and flexible plastic sleeve (4), lamp socket (5), lampshade (6), bulb ZD and attaching plug CT
1Current rectifying and wave filtering circuit (8); light control alarm circuit (9); circulating controling circuit (10); light adjusting circuit (11); infrared observing and controlling warning circuit (12) is formed; the pocket visual chart of international standard (7) is housed on support (3); during use; only need do relative check just can reach requirement; this desk lamp is put fixing place on the table; the person of being verified can see 1.2 those delegation's test pattern just clearly and not see the graph position of 1.5 those delegation with eyes before just being sitting in table; and chair placement of foot mark herein got off; desk and desk lamp be the relative fixed position also; at any time check later on eyesight like this method detect two eyes situations respectively; and with for the first time or last assay make comparisons; if eyesight descends or obviously descends; must find out reason; and adhere to using the various defencive functions of this desk lamp, strive for recovering as early as possible eyesight.It can impel the teenager of preceding study of lamp or work in time to give a test of one's eyesight; in time find the eyes problem; in time correct the various misdeeds that affect one's power of vision; adhere to using every defencive function of this desk lamp; carry out various useful health care activity; promote the rapid recovery of eyesight, the sound development of protection eyes.The past desk lamp does not have this device, and after the teenager felt that eyesight worsens, when the hospital that waits to find time was detected, often near-sighted Cheng Du was quite high, proofreading and correct except that wearing glasses, not has effective recovery way, regrets evening.This installing has been arranged, just can detect at any time, in time corrected, recovered unlikely deterioration as early as possible.
Current rectifying and wave filtering circuit of the present utility model (8) is by attaching plug CT
1And power line introduces 220 volts of alternating currents, through transformer T, becomes 15 volts by 220 volts, through diode D
1, D
2, D
3, D
4Form bridge rectifier, again by integrated package of pressure-stabilizing IC
17812 and capacitor C
1, C
2After forming the filter circuit of pressure-stabilizing voltage regulation filtering, by integrated package of pressure-stabilizing IC
112 volts of stable dc power supplies of 3 pin output, red light emitting diodes D
5Through current-limiting resistance R
1Make power supply indicator after the current limliting.Light adjusting circuit is by bulb ZD, bidirectional triode thyristor SCR
2, two-way admittance diode DB, potentiometer RP
1, resistance R
20, R
21, capacitor C
13, DPDT waved switch K
2-1, K
2-2With photo resistance RG
3Form.Resistance R
21, capacitor C
13Form rc phase shifter circuit, by two-way admittance diode DB control bidirectional triode thyristor SCR
2The angle of flow, so just can control the brightness of bulb ZD, regulate resistance R
21Can change capacitor C
13Charging interval, promptly change bidirectional triode thyristor SCR
2The angle of flow of positive-negative half-cycle so that obtain satisfied lamplight brightness since in the circuit in capacitor C
13Two ends are parallel with photo resistance RG
3Do negative-feedback, make the stability of light very high, adjust resistance R
21Make light to the brightness that needs, behind 150LX, when line voltage has fluctuation, bulb brightness is also unaffected, so just played with an automatic light meter, the effect that brightness of illumination is invariable.DPDT waved switch K
2-1, K
2-2Pull with contact 2 and connect, by potentiometer RP
1, resistance R
20And capacitor C
13Form rc phase shifter circuit, change manual light modulation this moment into, adjust potentiometer RP
1Can make bulb ZD by high light to little bright until the state of turning off the light, the needs during with the outer amusement of adaptive learning, work, rest or sleep.
Circulating controling circuit (10) is by time base ic chip
4NE
555, resistance R
17, adjustable resistance R
18, R
19, diode D
9, D
11, capacitor C
11, C
12Deng the non-steady-state oscillation circuit of forming EDM Generator of Adjustable Duty Ratio.Circuit gets and passes through resistance R after electric
17, adjustable resistance R
18, diode D
9To capacitor C
11Charging is because capacitor C
11Big its both end voltage of capacity can not be suddenlyd change, the time base ic chip
42,6 pin be electronegative potential, its 3 pin output high level, relay J adhesive and 1 connection, bulb ZD is bright.Work as capacitor C
11Base ic chip when the voltage at two ends is charged to
4Threshold value the time, be 2/3 o'clock of supply voltage, its 3 pin upset is low level, relay J stops inhaling, the contact and 2 of relay J was connected and 1 was disconnected this moment, bulb ZD goes out the pass, this constantly basis set become piece IC
47 pin change electronegative potential into its 3 pin, diode D
12Conducting, capacitor C
11By diode D
11, resistance R
19With the discharge of 7 pin, work as capacitor C
11Voltage reduce to 1/3 o'clock of supply voltage, the time base ic chip
43 pin become high level again, the relay J adhesive, bulb ZD is bright.Adjust adjustable resistance R
18, R
19Turning on the pass time of going out of lamp was respectively 45 minutes and 15 minutes; and circulation is gone down according to this; the science daily schedule of the similar school of this arrangement of time; help the protection of eyesight, when this circuit has solved adolescents with learning one time learning time oversize this common problem that causes that easily eye fatigue is excessive.
This circuit has also added a double-pole four and has thrown toggle switch K
3, the positive pole of capacitor C 11 is connected on its contact, right side 2, is in series with Zener diode D between its contact, right side 3 and ground
10And resistance R
16, after linking to each other, the contact, the left and right sides 1 that double-pole four is thrown toggle switch is connected on positive source, cold start when just turning on light, and double-pole four is thrown toggle switch K
3Make 1,2 contactings earlier, this moment, power supply was directly given capacitor C
11Charge to supply voltage, even throw toggle switch K with double-pole four
32,3 contactings, capacitor C
11Through Zener diode D
10And resistance R
16Discharge is because of Zener diode D
10What select for use is 4 volts of Zener diodes, so capacitor C
11Both end voltage is stabilized in 4 volts at last, and promptly 1/3 of supply voltage, and then double-pole four thrown toggle switch K
3Push when making 3,4 contact positions, this operation can guarantee just to send electricity, promptly lighting time also can keep 45 minutes for the first time, base integrated package NE when having overcome
555The follow-up positive pulse of initial positive pulse of the multivibrator output of forming is wide this common disadvantage.
Infrared observing and controlling warning circuit (13) is by hex inverter IC
2CD
4069With frequency decoder IC
3LM
567And infrared-emitting diode D
6, infrared receiving diode D
7Form Deng element.The frequency decoding circuit is by frequency decoder IC
3And resistance R
7, R
8, capacitor C
5, C
6, C
7Form resistance R
7And capacitor C
5Decision frequency decoder IC
3The center frequency of oscillation.Frequency decoder IC
3The about 8 volts standard rectangular pulse of amplitude that produces of 5 pin, pass through resistance R
2Cause triode BG
1Base stage, through triode BG
1Be added in infrared-emitting diode D after the power amplification
6On, and outwards launch modulation signal.This moment infrarede emitting diode D
6When the obstacle of front reached certain distance, a part of modulation signal can be reflected, when it by infrared receiving diode D
7After the reception, through capacitor C
3, resistance R
5Be coupled to six reverser IC
2F
1, F
2, F
3And resistance R
5, R
6After the linear amplifier of forming amplifies again through capacitor C
4Cause frequency decoder IC
33 pin discern decoding, because of this infrared signal frequency reason frequency decoder IC
35 pin draw, its centre frequency is definitely consistent, so its 8 pin is reversed to low level by high level, through F
4Change high level after anti-phase into, at this moment triode BG
2Be cut off, by six reverser IC
2F
5, F
6And resistance R
10, capacitor C
9The audio signal oscillator starting of oscillation of forming is through resistance R
11Send into triode BG
3Base stage, through triode BG
3Amplify the back by loudspeaker Y output alarm signal.This circuit is the science requirement of root a tree name eye health, and eyes can not be less than 30 centimetres apart from written centre distance when reading and writing, otherwise the easy damaged eyes cause myopia.When, forward lean improper because of sitting posture or lean over a book when writing, eye distance is written during less than 30 centimetres, infrared-emitting diode D
6The modulation signal that sends through facial blocking reflected by infrared reception diode D
7Cause the loudspeaker warning after the reception, impel study or worker to come back rapidly, correcting sitting postures, warning stops.Otherwise the several seconds is after resistance R
9, capacitor C
8After the time-delay, again through diode D
13Guiding, base ic chip when high potential is added to
42,6 pin, forcing its 3 pin is low level by high level upset, relay J stops inhaling, bulb ZD closes and goes out.If correcting sitting postures, illumination can recover immediately.Daytime, this circuit under natural daylight also can play the effect of correcting sitting postures.
Light control alarm circuit (9) comprises the high light warning circuit and the low light level circuit of turning on light automatically.Resistance R
12, photo resistance RG
1Deng forming the high light warning circuit, when indoor high light arranged, during as daylight direct irradiation desktop, photo resistance RG
1Resistance reduces, triode BG
2Base stage ends it because of voltage reduces, and audio frequency oscillator starting of oscillation this moment promotes loudspeaker and reports to the police, and urges the people to draw window coverings, stops high light, and the protection eyes are not damaged by high light.The low light level is turned on light circuit automatically by resistance R
14, photo resistance RG
2Deng forming light-operated circuit, when the indoor natural light line was fit to study, bulb ZD is closed automatically to go out; When the available light brightness of desktop is lower than 100LX, photo resistance RG
2Resistance rises, Zener diode D
8Because of negative terminal voltage rising conducting, again through resistance R
15, capacitor C
10After the time-delay, trigger controllable silicon SCR
1Conducting, the relay J adhesive, bulb ZD is bright, and the protection eyes are study and work under half-light not.The Ruo Shiji ic chip
43 pin be low level at this moment, this lamp is in the time of having a rest of turning off the light, after wait for having a rest, bulb ZD is promptly turned on.
Foregoing circuit constitute light modulation with an automatic light meter, manual, loop control daily schedule, infrared observing and controlling warning, high light is reported to the police, the pocket visual chart of standard is turned on light, added to the low light level automatically optometry function totally eight kinds form the multi-functional sight protectio desk lamps of I type.
Fig. 3 is the circuit theory diagrams of the present utility model with nine kinds of functions.It is to have added low frequency flasher circuit (13) to form the multi-functional sight protectio desk lamp of II type on the basis of I type.The low frequency flasher circuit is by time base ic chip
5NE
555, two green emitting diode D
15, D
16With potentiometer RP
2, RP
3, and resistance R
22, R
23, capacitor C
14, C
15Deng the composition astable multivibrator, its frequency of oscillation is by potentiometer RP
2, RP
3And capacitor C
14Coaxial duplex potentiometer RP is regulated in decision
2, RP
3Make its frequency of oscillation in the 0.5-10HZ scope, this circuit one terminates at positive source, and the other end is connected on the time basic ic chip of circulating controling circuit (10)
43 pin on, so the low frequency flasher circuit is subjected to circulating controling circuit (10) control, basic at that time ic chip
43 pin output high level the time, bulb ZD turns on, at this moment the low frequency flasher circuit is not worked, basic at that time ic chip
43 pin output low levels the time, bulb ZD closes and to go out, low frequency flasher circuit this moment (13) is started working two green emitting diode D
15, D
16Begin flash of light in turn, resistance R
22, R
23Be current-limiting resistance.When turning off the light rest, study or worker's eyes were followed the tracks of luminous point 5-10 minute that glimmers in turn before lamp at every turn, can regulate the eyeball tensity of muscle on every side, and easing eyes fatigue helps eye health.
Very necessary with circulating controling circuit (10) the control daily schedule, but protect eye health then to seem even more important if add the relevant function of daily schedule of observing science that it is conscious that the verbal cue circuit more can guide the teenager with active applications.
Verbal cue circuit (14) is by the language ic chip
6, IC
7, resistance R
24, R
25, R
26, R
27, capacitor C
16, C
17Form capacitor C
16With resistance R
26Between line link the time base ic chip of circulating controling circuit (10) with lead
4Pin 3 on, basic at that time ic chip
43 pin output high level the time, bulb ZD turns on, dc source passes through resistance R
26After the step-down to the language ic chip
7Power supply is through resistance R
27, capacitor C
17The language ic chip is triggered in the time-delay back
7Work is through triode BG
3The amplification back is sent by loudspeaker Y " please sit up straight the protection eyes! " clear and melodious sound, the easiest criminal's defect when reminding the teenager to correct reading and writing, basic at that time ic chip
43 pin upset during for low level, bulb ZD closes and goes out, dc source is through resistance R
24After the step-down to the language ic chip
6Power supply is through resistance R
25, capacitor C
16The language ic chip is triggered in the time-delay back
6Work is through triode BG
3Promotion loudspeaker Y sends and " has a good rest, carry out health care, recover eyesight after amplifying! " verbal cue sound.
Above-mentioned verbal cue circuit (14) group is enrolled I type and the multi-functional sight protectio desk lamp of II type, then form the multi-functional sight protectio desk lamp of III type and IV type, its circuit theory diagrams are seen Fig. 4 and Fig. 5.
With reference to Fig. 6.On the basis of the multi-functional sight protectio desk lamp of III type, increased the hypnosis circuit and just can form the multi-functional sight protectio desk lamp of V-type with timing wakeup circuit (15).The hypnosis circuit is the time basic ic chip at low frequency flasher circuit (13)
53 pin insert a capacitor C
19With a socket CZ, during use with earplug plug CT
2Insert socket CZ, in earplug ER, just can hear " ticktack " sound of urging the sleepy similar raindrop of people.Regulator potentiometer RP
2, RP
3Size can change the speed of raindrop sound, to adapt to the requirement of different people.Throw toggle switch K at double-pole four
3A left side then only insert the capacitor C of one 2200 μ F on the contact 2
18, and change double-pole four a little and throw toggle switch K
3The connection of other haptic element, just make and break the dormancy circuit and form to break when long and sleep and two kinds of functions of hypnosis regularly.Stir double-pole four during use and throw toggle switch K
3, 1,2 contacts are communicated with, dc source is by diode D
12Be directed to the time basic ic chip of circulating controling circuit
42,6 pin, make it be in high potential for a long time.3 pin overturn and are low level simultaneously, and long-term the maintenance, make the work of low frequency flasher circuit, hypnosis function when forming length.Double-pole four is thrown toggle switch K
3Pull to the connection of 1,2 contacts, make capacitor C
11, C
18Charging is communicated with capacitor C with being allocated to 2,3 contacts
11, C
18Parallel connection is by diode D
12Base ic chip when guiding to
42,6 pin form high potential, 3 pin output low levels, regularly the hypnosis circuit is started working.Basis set becomes piece IC constantly together
47 pin become electronegative potential, to be full of the capacitor C of electric weight
11, C
18By diode D
11, resistance R
19With time base ic chip
47 pin discharge capacitor C gradually
11, C
18Both end voltage descends gradually, when reduce to supply voltage 1/3 the time, time base ic chip
43 pin upsets be high level, hypnosis stops, this is regularly the hypnosis course of work, regularly hypnosis time length depends on capacitor C
18The size of capacity.C
18When capacity was 2200 μ F, hypnosis was about 1 hour 20 minutes minutes.Students in middle and primary schools learn anxiety, and semester course test, particularly examination for entering school stage cause slight insomnia or neurasthenia phenomenon easily, and using regularly, hypnosis function can play good mitigation.Insomnia and neurasthenia all have direct influence to eye health, and the effect of protection eyes is also directly played in the use of hypnosis function.Break the dormancy function when long and be fit to serious insomnia and serious neurasthenic people, because of having increased hypnosis function, after double-pole four is thrown toggle switch K3 wiring change, when circulating controling circuit initially uses, double-pole four is thrown stirring in proper order of toggle switch K3 and should be changed into: at first be allocated to 1,2 contacts and be communicated with, be communicated with along being allocated to 2,3 contacts, 3,4 contacts are communicated with, 4,5 contacts are communicated with, and dial at last to be parked in connection position, 3,4 contacts.
Regularly wakeup circuit is by counting decoder IC
8And capacitor C
20, resistance R
28Deng the composition decimal counter.Base ic chip when it has utilized dexterously
4Exported the function of a positive pulse every 1 hour, and positive pulse is introduced counting decoder IC
814 pin, form wakeup circuit on schedule.Regularly begin, only need to throw toggle switch K according to the first double-pole four that uses of loop control work and rest system
3Like that, make it be parked in 3,4 contact at last and be communicated with the position after, rotate hilted broadsword ten again and throw band switch K
4, with its travelling contact along its fixed contact Q
0To Q
9Or Q
9To Q
0When rotating arbitrarily, touch certain a bit as Q
3The time loudspeaker send cock cry, at this moment by own needed timing on schedule requirement,, then the travelling contact commentaries on classics is stopped to Q as two hours
5The fixed contact position gets final product, after two hours, and time base ic chip
4Export a positive pulse once more, Q
5The output high level is through resistance R
29Deliver to cock after the current limliting step-down and be ic chip
9The positive supply pin and trigger pin, cock is ic chip
9The signal of crowing is sent in work, through triode BG
3After the amplification, outwards send clear and melodious cock cry, urge the people to get up by loudspeaker.Regularly wakeup circuit matches with the hypnosis circuit and the function of waking that is provided with only plays indirectly-acting to the protection of eyes.
Fig. 7 is the circuit theory diagrams with multi-functional sight protectio desk lamp of VI type of aforesaid all functions.
Claims (6)
1, a kind of multi-functional sight protectio desk lamp, it comprises base (1), support (3), lamp socket (5), lampshade (6), bulb ZD and current rectifying and wave filtering circuit (8), it is characterized in that: it has circulating controling circuit (10), light adjusting circuit (11), infrared observing and controlling warning circuit (12); Circulating controling circuit is by time base ic chip
4NE
555And resistance R
17, adjustable resistance R
18, R
19, diode D
9, D
11, D
12, relay J, capacitor C
11, C
12Form, electric current is through resistance R
17, adjustable resistance R
18, diode D
9To capacitor C
11Charging is in capacitor C
11Both end voltage be raised to supply voltage 2/3 before, time base ic chip
43 pin output high level, relay J adhesive, bulb ZD are bright, capacitor C
11Both end voltage is raised to 2/3 o'clock of supply voltage, time base ic chip
4Output 3 pin upsets be low level, relay J stops inhaling, bulb ZD closes and goes out capacitor C
11Through diode D
11, adjustable resistance R
19With time base ic chip
47 pin discharges, work as capacitor C
11Voltage drops to 1/3 o'clock of supply voltage, time base ic chip
4Defeated end 3 pin overturn again and be high level, bulb ZD is bright again, also additional on this circuit have a double-pole four to throw toggle switch K
3, capacitor C
11Positive pole be connected on its contact, right side 2, between its contact, right side 3 and ground, be in series with Zener diode D
10And resistance R
16, double-pole four is thrown the K of toggle switch
3Contact, the left and right sides 1 be connected on the dc source after linking to each other; Light adjusting circuit (11) is by K switch
2-1, K
2-2, resistance R
20, adjustable resistance R
21, potentiometer RP
1, photo resistance RG
3, bidirectional triode thyristor SCR
2, two-way admittance diode DB and capacitor C
13Form, by adjustable resistance R
21And capacitor C
13Form rc phase shifter circuit, by two-way admittance diode DB control bidirectional triode thyristor SCR
2The angle of flow, regulate the brightness of bulb ZD, capacitor C
13Two ends are parallel with photo resistance RG
3, by photo resistance RG
3Negative feedback can realize automatic adjusting to bulb brightness, when with DPDT waved switch K
2-1, K
2-2After pulling the position of contact 2, can pass through regulator potentiometer RP
1Realization is to the manual adjustments of bulb brightness; Infrared observing and controlling warning circuit (12) is by hex inverter IC
2CD
4069, frequency decoder IC
3LM
567With infrared-emitting diode D
6, infrared receiving diode D
7Form frequency decoder IC
3The center frequency of oscillation by the resistance R of series connection on its 5 pin
7And capacitor C
5Decision, its frequency of oscillation is drawn through resistance R by 5 pin
2To triode BG
1Base stage, through triode BG
1Be added in infrared-emitting diode D after the amplification
6On, infrared-emitting diode D
6Frequency modulating signal of launching and frequency decoder IC
3The center frequency of oscillation in full accord, if infrared-emitting diode D
6There is obstacle in the place ahead, modulation signal after obstacle reflection a part of signal by infrared receiving diode D
7Receive, through hex inverter IC
2F
1, F
2, F
3And R
5, R
6The linear amplifier of forming is sent into frequency decoder IC after amplifying
33 pin, through frequency decoder IC
3LM
567Identification decoding, its 8 pin is a low level by the high level upset, again through F
4Change high level after anti-phase into, at this moment triode BG
2Be cut off, by F
5And F
6And resistance R
10, capacitor C
9The audio frequency oscillator starting of oscillation of forming is through resistance R
11This signal is delivered to triode BG
3Amplify, by Yang Sheng device Y output alarm signal, if infrared-emitting diode D
6Preceding obstacle is left away, and then reporting to the police stops, otherwise after the several seconds, through resistance R
9, capacitor C
8After the time-delay, through diode D
13Guiding, base ic chip when high potential is added to
42,6 pin, 3 pin upsets is low level, relay J discharges, bulb ZD closes and goes out.
2, the described multi-functional sight protectio desk lamp of root a tree name claim 1, it is characterized in that: be connected with light control alarm circuit (9) on its circuit, this circuit is by resistance R
12, R
14, R
15, photo resistance RG
1, RG
2, capacitor C
10, Zener diode D
8Form, as strong illumination photo resistance RG
1After, resistance reduces, triode BG
2End because of base voltage decreases, loudspeaker Y reports to the police; By resistance R
14, photo resistance RG
2Deng the light-operated circuit of forming, when the indoor natural light line reached 100LX, bulb ZD is closed automatically to go out, when available light is lower than 100LX, and photo resistance RG
2Resistance rises, Zener diode D
8Because of negative terminal voltage rising conducting, through resistance R
15, capacitor C
10After the time-delay, trigger controllable silicon SCR
1Conducting, the relay J adhesive, bulb ZD is bright.
3, the described multi-functional sight protectio desk lamp of root a tree name claim 1 is characterized in that: be connected with low frequency flasher circuit (13) on its circuit, the low frequency flasher circuit is time base ic chip by one
5NE
555, two green LED D
15, D
16, two potentiometer RP
2, RP
3, and resistance R
22, R
23, capacitor C
14, C
15The astable multivibrator of forming, its frequency of oscillation is by potentiometer RP
2, RP
3And capacitor C
14Decision, this circuit one terminates at dc power anode, and the other end is connected on the time basic ic chip of circulating controling circuit (10)
43 pin on.
4, the described multi-functional sight protectio desk lamp of root a tree name claim 1, it is characterized in that: be connected with verbal cue circuit (14) on its circuit, it is by language sheet IC
6, IC
7, resistance R
24, R
25, R
26, R
27, capacitor C
16, C
17Form capacitor C
16With resistance R
26Between line link the time base ic chip of circulating controling circuit with lead
43 pin on.
5, the described multi-functional sight protectio desk lamp of root a tree name claim 1 is characterized in that: be connected with regularly wakeup circuit (15) on its circuit, it is by counting decoder IC
8CD
4017, cock is integrated IC
9KD
5609, capacitor C
20, resistance R
28, R
29, R
30Form counting decoder IC
814 pin with the time basic ic chip of lead and circulating controling circuit
43Pin links to each other.
6, the described multi-functional sight protectio desk lamp of root a tree name claim 1 is characterized in that: the pocket visual chart of international standard (7) is arranged on the support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95214177 CN2236073Y (en) | 1995-06-06 | 1995-06-06 | Multi-function vision-protection desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95214177 CN2236073Y (en) | 1995-06-06 | 1995-06-06 | Multi-function vision-protection desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2236073Y true CN2236073Y (en) | 1996-09-25 |
Family
ID=33863869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95214177 Expired - Fee Related CN2236073Y (en) | 1995-06-06 | 1995-06-06 | Multi-function vision-protection desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2236073Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790271A (en) * | 2010-03-23 | 2010-07-28 | 广东易家通数字家庭技术发展有限公司 | Light controller capable of regulating delay and brightness |
| CN102044134A (en) * | 2010-12-25 | 2011-05-04 | 甘元宇 | Child strabismus reminder |
| CN104930393A (en) * | 2015-06-10 | 2015-09-23 | 蚌埠市惠鸿电子科技有限公司 | Small hypnotizing night-light |
| CN106056868A (en) * | 2016-06-21 | 2016-10-26 | 东莞市卫童智能科技有限公司 | User sitting posture guiding method and device for desk lamp |
| CN106211487A (en) * | 2016-09-28 | 2016-12-07 | 王小毛 | A kind of Multifunctional myopia prevention reading-writing-rack control circuit |
| CN109343323A (en) * | 2018-10-10 | 2019-02-15 | 南安市弈星机械科技有限公司 | A kind of wrist-watch that exchange glistening light of waves capture eye muscle is releived |
-
1995
- 1995-06-06 CN CN 95214177 patent/CN2236073Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790271A (en) * | 2010-03-23 | 2010-07-28 | 广东易家通数字家庭技术发展有限公司 | Light controller capable of regulating delay and brightness |
| CN102044134A (en) * | 2010-12-25 | 2011-05-04 | 甘元宇 | Child strabismus reminder |
| CN104930393A (en) * | 2015-06-10 | 2015-09-23 | 蚌埠市惠鸿电子科技有限公司 | Small hypnotizing night-light |
| CN106056868A (en) * | 2016-06-21 | 2016-10-26 | 东莞市卫童智能科技有限公司 | User sitting posture guiding method and device for desk lamp |
| CN106211487A (en) * | 2016-09-28 | 2016-12-07 | 王小毛 | A kind of Multifunctional myopia prevention reading-writing-rack control circuit |
| CN109343323A (en) * | 2018-10-10 | 2019-02-15 | 南安市弈星机械科技有限公司 | A kind of wrist-watch that exchange glistening light of waves capture eye muscle is releived |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |