CN109654461A - A kind of photosensitive night-light - Google Patents
A kind of photosensitive night-light Download PDFInfo
- Publication number
- CN109654461A CN109654461A CN201910167001.8A CN201910167001A CN109654461A CN 109654461 A CN109654461 A CN 109654461A CN 201910167001 A CN201910167001 A CN 201910167001A CN 109654461 A CN109654461 A CN 109654461A
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- Prior art keywords
- resistance value
- light
- photosensitive
- instructed voltage
- comparator
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- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention relates to a kind of photosensitive night-lights: including pressure sensor, photosensitive sensor, control circuit, LED light and power supply, the pressure sensor generates pressure when user tramples foot pad so as to cause output resistance variation, photosensitive sensor resistance value in the case where varying strength light irradiates is different, the control circuit is according to the resistance value size of pressure sensor and photosensitive sensor and then lights or close LED light, the LED light is illumination night-light, and the power supply is whole system power supply.
Description
Technical field
The present invention relates to field of illumination lamp technology, especially a kind of photosensitive night-light.
Background technique
The photosensitive night-light sold currently on the market is mainly used on wall socket by being inserted in, and daytime, light was stronger
When photo resistance it is smaller, night-light extinguishes, and photo resistance is larger when evening light is weaker, and night-light is lighted, but in this way
Design meeting so that night-light is lighted all night, cause energy waste, also create certain light pollution, if user is right during sleep
Photaesthesia cannot then use such night-light.
In conjunction with the habit that modern lives, many people can place a cushion before the bed of bedroom, for wiping before going to bed
The functions such as butt-swelling can light night-light, then for user if the foot pad can be designed in conjunction with night-light when user tramples the foot pad
For use, will be it is extremely convenient, also avoid light pollution.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of photosensitive night-light, design steps on the inside of cushion, cushion in foot
It is placed on user to go to bed on the bedside that would generally be stepped on, when user gets up in the night to urinate, can be lighted by the pressure stepped down on cushion small
Night-light, when user leaves, night-light delay-action, and when daytime is bright and clear, user's normal use cushion will not be lighted
Night-light.
In order to achieve the above objectives, a kind of photosensitive night-light of the invention: including pressure sensor, photosensitive sensor, control electricity
Road, LED light and power supply, the pressure sensor receive user and trample the pressure generated when foot pad so as to cause its output resistance
Variation, the photosensitive sensor different, described control circuit root of resistance value in the case where varying strength light irradiates
According to the resistance value size of pressure sensor and photosensitive sensor and then LED light is lighted or closes, the LED light is illumination night
Lamp, the power supply are whole system power supply.
Optionally, the control circuit includes:
First comparator, for exporting first according to the resistance value of pressure sensor and the comparison result of preset first resistor value
Instructed voltage；
Second comparator, for exporting second according to the resistance value of photosensitive sensor and the comparison result of preset second resistance value
Instructed voltage；
With door, it is used for the first instructed voltage and the second instructed voltage carries out and arithmetic operation, obtain third instructed voltage；
Delay driving circuit, for driving LED light under the third instructed voltage.
Optionally, the first comparator is compared according to the resistance value of pressure sensor with preset first resistor value
Output voltage, comprising:
If the resistance value of the pressure sensor is more than or equal to preset first resistor value, the first comparator output first
Instructed voltage is low level.
Optionally, the first comparator is compared according to the resistance value of pressure sensor with preset first resistor value
Output voltage, comprising:
If the resistance value of the pressure sensor is less than preset first resistor value, first instruction of first comparator output
Voltage is high level.
Optionally, second comparator is compared according to the resistance value of photosensitive sensor with preset second resistance value
Output voltage, comprising:
If the resistance value of the photosensitive sensor is less than preset second resistance value, second instruction of the second comparator output
Voltage is low level.
Optionally, second comparator is compared according to the resistance value of photosensitive sensor with preset second resistance value
Output voltage, comprising:
If the resistance value of the photosensitive sensor is more than or equal to preset second resistance value, the second comparator output second
Instructed voltage is high level.
Optionally, the delay driving circuit drives LED light under the third instructed voltage, comprising:
If the third instructed voltage is high level, delay driving circuit work, the LED light is lighted, and delay-action.
Optionally, the delay driving circuit drives LED light under the third instructed voltage, comprising:
If the third instructed voltage is low level, delay driving circuit does not work.
The beneficial effects of the present invention are: going to bed when user gets up in the night to urinate by normal habitual, the pressure that people steps down on foot pad can be passed
To pressure sensor, current light situation is judged in conjunction with the resistance value of photosensitive sensor, if bright and clear, control circuit is kept
LED light is extinguished, if light is weaker, control circuit lightening LED lamp and delay-action, such night-light driving method are avoided
The waste turned on light all night and light pollution improve reliability, while being also the more humane method of lighting night-light.
Detailed description of the invention
Fig. 1 is the principle of the present invention figure；
Fig. 2 is the schematic diagram of the embodiment of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, pressure sensor, 2, photosensitive sensor, 3, control circuit, 31, first comparator, the 32, second comparator, 33 and door,
34, delay driving circuit, 4, LED light, 5, power supply.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As depicted in figs. 1 and 2, a kind of photosensitive night-light, including pressure sensor 1, photosensitive sensor 2, control circuit 3, the
One comparator 31, the second comparator 32, with door 33, delay driving circuit 34, LED light 4, power supply 5.
The internal resistance when being trampled foot pad by user of pressure sensor 1 reduces, and usually reduces by 10% to 30%；
The resistance value in the case where varying strength light irradiates of photosensitive sensor 2 is different, to differentiate current light power, light
2 resistance value of photosensitive sensor is larger when weak, typically larger than 100K, and 2 resistance value of photosensitive sensor is smaller when light is strong, usually less than 5K
Ω；
Control circuit 3 is according to the resistance value size of pressure sensor and photosensitive sensor and then lights or close LED light, and pressure passes
Sensor value 1 reduces by 10% or more than normal value and 2 resistance value of photosensitive sensor is greater than 100K and then exports high level, pressure sensor
1 resistance value of value is normal or 2 resistance value of photosensitive sensor is less than 5K and then exports low level；
LED light 4 is illumination night-light；
Power supply 5 is whole system power supply.
Optionally, the first comparator 31 is carried out according to the resistance value of pressure sensor 1 and preset first resistor value
Compare output voltage, comprising:
If the resistance value of the pressure sensor 1 is more than or equal to preset first resistor value, the first comparator 31 is exported
First instructed voltage is low level.
Optionally, the first comparator 31 is compared according to the resistance value of pressure sensor with preset first resistor value
Compared with output voltage, comprising:
If the resistance value of the sensor 1 is less than preset first resistor value, first instruction of the output of first comparator 31
Voltage is high level.
Optionally, second comparator 32 is carried out according to the resistance value of photosensitive sensor 2 and preset second resistance value
Compare output voltage, comprising:
If the resistance value of the photosensitive sensor 2 is less than preset second resistance value, the output of the second comparator 32 second
Instructed voltage is low level.
Optionally, second comparator 32 is carried out according to the resistance value of photosensitive sensor 2 and preset second resistance value
Compare output voltage, comprising:
If the resistance value of the photosensitive sensor 2 is more than or equal to preset second resistance value, second comparator 32 is exported
Second instructed voltage is high level.
Optionally, the delay driving circuit 34 drives LED light 4 under the third instructed voltage, comprising:
If the third instructed voltage is high level, delay driving circuit 34 works, and the LED light 4 is lighted, and is delayed and puts out
It goes out；
Optionally, the delay driving circuit 34 drives LED light 4 under the third instructed voltage, comprising:
If the third instructed voltage is low level, delay driving circuit 34 does not work.
The implementation principle of photosensitive night-light of the invention is: when there is user to trample pressure sensor 1, pressure sensor 1
Output resistance moment reduces by 10% to 30%；Resistance value and preset first electricity of the first comparator 31 according to pressure sensor 1
Resistance value is compared to obtain the first instructed voltage；Second comparator 32 is according to the resistance value and preset second of photosensitive sensor 2
Resistance value is compared to obtain the second instructed voltage；First instructed voltage and the second instructed voltage, which are sent to, grasp with operation with door
Obtain third instructed voltage；Delay driving circuit 34 is high level or low level according to third instructed voltage, lights or extinguishes
LED light 4；Delay driving circuit 34 is after lightening LED lamp 4, and can be delayed automatic distinguishing LED light 4；Power supply 5 is whole system power supply.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of photosensitive night-light, it is characterised in that: including pressure sensor (1), photosensitive sensor (2), control circuit (3), LED
Lamp (4) and power supply (5), the pressure sensor (1), photosensitive sensor (2), LED light (4) and power supply (5) are connected by route
It is connected to control circuit (3).
2. a kind of photosensitive night-light according to claim 1, which is characterized in that the control circuit (3) includes:
First comparator (31), for according to the resistance value of pressure sensor (1) and the comparison result of preset first resistor value
Export the first instructed voltage；
Second comparator (32), for according to the resistance value of photosensitive sensor (2) and the comparison result of preset second resistance value
Export the second instructed voltage；
It with door (33), is used for the first instructed voltage and the second instructed voltage carries out and arithmetic operation, obtain output third instruction
Voltage；
Delay driving circuit (34), for driving LED light (4) under the third instructed voltage.
3. a kind of photosensitive night-light according to claim 2, it is characterised in that: the first comparator (31) passes according to pressure
The resistance value of sensor (1) is compared the first instructed voltage of output with preset first resistor value, comprising:
If the resistance value of the pressure sensor (1) is more than or equal to preset first resistor value, the first comparator (31)
Exporting the first instructed voltage is low level.
4. a kind of photosensitive night-light according to claim 2, it is characterised in that: the first comparator (31) passes according to pressure
The resistance value of sensor (1) is compared the first instructed voltage of output with preset first resistor value, comprising:
If the resistance value of the pressure sensor (1) is less than preset first resistor value, first comparator (31) output
First instructed voltage is high level.
5. a kind of photosensitive night-light according to claim 2, it is characterised in that: second comparator (32) is according to light sensor
The resistance value of device (2) is compared the second instructed voltage of output with preset second resistance value, comprising:
If the resistance value of the photosensitive sensor (2) is less than preset second resistance value, the second comparator (32) output
Second instructed voltage is low level.
6. a kind of photosensitive night-light according to claim 2, it is characterised in that: second comparator (32) is according to light sensor
The resistance value of device (2) is compared the second instructed voltage of output with preset second resistance value, comprising:
If the resistance value of the photosensitive sensor (2) is more than or equal to preset second resistance value, second comparator (32)
Exporting the second instructed voltage is high level.
7. a kind of photosensitive night-light according to claim 2, it is characterised in that: the delay driving circuit (34) is in the third
LED light (4) are driven under instructed voltage, comprising:
If the third instructed voltage is high level, delay driving circuit (34) work, the LED light (4) is lighted, and is delayed
Extinguish.
8. a kind of photosensitive night-light according to claim 2, it is characterised in that: the delay driving circuit (34) is in the third
LED light (4) are driven under instructed voltage, comprising:
If the third instructed voltage is low level, delay driving circuit (34) does not work.
9. a kind of photosensitive night-light according to any one of claims 1 to 8, it is characterised in that: further include power supply (5), be used for
It powers to the control circuit (3) and the LED light (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167001.8A CN109654461A (en) | 2019-03-06 | 2019-03-06 | A kind of photosensitive night-light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167001.8A CN109654461A (en) | 2019-03-06 | 2019-03-06 | A kind of photosensitive night-light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109654461A true CN109654461A (en) | 2019-04-19 |
Family
ID=66123927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910167001.8A Pending CN109654461A (en) | 2019-03-06 | 2019-03-06 | A kind of photosensitive night-light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109654461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111212506A (en) * | 2019-07-17 | 2020-05-29 | 移康智能科技（上海）股份有限公司 | Lamp switch based on photosensitive induction and pressure induction |
| CN113160500A (en) * | 2021-02-24 | 2021-07-23 | 滕州京腾鑫汇新材料科技有限公司 | Visual intelligent cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102404919A (en) * | 2011-12-02 | 2012-04-04 | 张伟 | Bedside energy-saving induction lamp |
| CN202709038U (en) * | 2012-01-17 | 2013-01-30 | 深圳市合智创盈电子有限公司 | Carpet sensing light emitting device |
| CN103841688A (en) * | 2012-11-20 | 2014-06-04 | 贵阳铝镁设计研究院有限公司 | Corridor light control method and device based on pressure sensor |
| CN103857104A (en) * | 2012-11-29 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | Night-lamp circuit |
| CN204761801U (en) * | 2015-07-13 | 2015-11-11 | 苏州经贸职业技术学院 | Intelligence gate light control system |
| CN106482046A (en) * | 2016-12-02 | 2017-03-08 | 昆山市见兴电子材料有限公司 | Ground night-light piece |
| CN206596279U (en) * | 2017-03-28 | 2017-10-27 | 汕头职业技术学院 | The light-operated human body inductive lamp of single-chip microcomputer |
-
2019
- 2019-03-06 CN CN201910167001.8A patent/CN109654461A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102404919A (en) * | 2011-12-02 | 2012-04-04 | 张伟 | Bedside energy-saving induction lamp |
| CN202709038U (en) * | 2012-01-17 | 2013-01-30 | 深圳市合智创盈电子有限公司 | Carpet sensing light emitting device |
| CN103841688A (en) * | 2012-11-20 | 2014-06-04 | 贵阳铝镁设计研究院有限公司 | Corridor light control method and device based on pressure sensor |
| CN103857104A (en) * | 2012-11-29 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | Night-lamp circuit |
| CN204761801U (en) * | 2015-07-13 | 2015-11-11 | 苏州经贸职业技术学院 | Intelligence gate light control system |
| CN106482046A (en) * | 2016-12-02 | 2017-03-08 | 昆山市见兴电子材料有限公司 | Ground night-light piece |
| CN206596279U (en) * | 2017-03-28 | 2017-10-27 | 汕头职业技术学院 | The light-operated human body inductive lamp of single-chip microcomputer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111212506A (en) * | 2019-07-17 | 2020-05-29 | 移康智能科技（上海）股份有限公司 | Lamp switch based on photosensitive induction and pressure induction |
| CN113160500A (en) * | 2021-02-24 | 2021-07-23 | 滕州京腾鑫汇新材料科技有限公司 | Visual intelligent cabinet |
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190419 |