CN201724191U - LED lamp cleaner adopting sensor and singlechip and utilizing ultrasonic wave - Google Patents
LED lamp cleaner adopting sensor and singlechip and utilizing ultrasonic wave Download PDFInfo
- Publication number
- CN201724191U CN201724191U CN2010202691603U CN201020269160U CN201724191U CN 201724191 U CN201724191 U CN 201724191U CN 2010202691603 U CN2010202691603 U CN 2010202691603U CN 201020269160 U CN201020269160 U CN 201020269160U CN 201724191 U CN201724191 U CN 201724191U
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- light fixture
- humidity sensor
- chip microcomputer
- pin
- khz
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- Expired - Fee Related
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- 239000007767 bonding agent Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 241001274961 Rubus repens Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Images
Abstract
The utility model relates to an LED lamp cleaner adopting a sensor and a singlechip and utilizing ultrasonic waves, which comprises the singlechip, a lamp shade, a temperature and humidity sensor, an ultrasonic generator and an ultrasonic transducer; the lamp shade is reserved with a rectangular hole, in which the temperature and humidity sensor for measuring temperature and humidity values is arranged; the fourth pin of the temperature and humidity sensor is electrically connected with the twenty-sixth pin of the singlechip, the anode of the LED is electrically connected with the eleventh pin of the singlechip, the ultrasonic transducer is stuck to the inner wall of the lamp shade by industrial adhesive, the ultrasonic generator generates ultrasonic waves with frequency points of 32.5 KHz, 33.5 KHz, 34.5 KHz, 35.5 KHz, 37.5 KHz, 38.5 KHz, 39.5 KHz and 40.5 KHz, and the cleaner can effectively remove stains on the surface of the lamp.
Description
Technical field
The utility model relates to a kind of LED light fixture washer, relates in particular to a kind of employing sensor and single-chip microcomputer and utilizes hyperacoustic LED light fixture washer.
Background technology
LED illumination has become developing direction indoor, outdoor lighting lamp, yet not can solve for the light fixture cleaning problems that faces of working under adverse circumstances such as greasy dirt, dust for a long time at present.The cleannes of LED light fixture influence the heat radiation and the luminous efficiency of light fixture.
The Chinese patent that publication number " CN201314499Y " name is called " the LED light fixture of self-cleaning " discloses a kind of LED light fixture that can self-cleaning, comprises led light source, radiator and shell, and described shell is provided with drainage system.The LED light fixture of the self-cleaning of the disclosure uses drainage system to finish the self-cleaning of light fixture on light fixture, yet, this can not thoroughly remove the dust and dirt of lamp surface, light fixture is when environment uses down out of doors, drainage system in this scheme is difficult to supplementing water, thereby light fixture can not guarantee higher cleannes.
Summary of the invention
The utility model provides a kind of device that adopts the ultrasonic wave cleaning LED light fixture of optimal frequency, and uses Temperature Humidity Sensor to clean automatically.
The technical solution adopted in the utility model is: adopts sensor and single-chip microcomputer and utilizes hyperacoustic LED light fixture washer, comprise single-chip microcomputer, Temperature Humidity Sensor, and light fixture outer cover, supersonic generator and ultrasonic transducer; Temperature Humidity Sensor is fixed on the light fixture outer cover.Adopt the supersonic generator of 32.5KHZ, 33.5KHZ, 34.5KHZ, 35.5KHZ and 37.5KHZ, 38.5KHZ, 39.5KHZ, 40.5KHZ Frequency point.
The 4th pin of Temperature Humidity Sensor is electrically connected with the 26th pin of single-chip microcomputer, and the positive pole of LED is electrically connected with single-chip microcomputer the 11st pin, and single-chip microcomputer adopts STC12C5624AD, and Temperature Humidity Sensor adopts SHT75.
At light fixture outer cover inwall ultrasonic transducer is installed, ultrasonic transducer is bonding by the inwall of industrial bonding agent and light fixture outer cover, according to lampshade area size several combinations can be arranged.The oscillator signal that supersonic generator produces is converted into mechanical oscillation through ultrasonic transducer.
The rh value of Temperature Humidity Sensor by measuring is sent to the 26th pin of main control chip STC12C5624AD with square-wave signal through the 4th pin.Temperature Humidity Sensor adopts the pin type encapsulation, be easy to integrated, and the humidity sensor of this packing forms submergence fully, the maximum voltage of its work is 5.5V, minimum voltage is 2.4V.
When single-chip microcomputer detects light fixture LED work, under the situation of light fixture outer cover humidity, the ambient temperature that Temperature Humidity Sensor records is higher than zero degrees celsius, supersonic generator sends the low frequency ultrasonic wave light fixture outer cover is cleaned, when the ambient temperature that Temperature Humidity Sensor records was lower than zero degrees celsius, supersonic generator sent ultra-high frequency ultrasonic wave the light fixture outer cover is cleaned.
Environment temperature is lower than zero degrees celsius, one deck frost can be tied in the surface of light fixture outer cover, adopting traditional water spray to clean is difficult to get a desired effect, supersonic generator sends high-frequency oscillation signal, send ultrasonic transducer to through circuit, and be converted into the higher ultrasonic wave of frequency, realize removing the purpose of frost.
Having under mist, the rainwater weather, environment temperature is higher than zero degrees celsius, and some globules, silt etc. can be adhered in the surface of light fixture outer cover, adopt low-frequency ultrasonic wave can remove these spots.
LED light fixture heat is low, is caused the secondary light-distribution effect of LED light fixture bad attached to the dewdrops of lamp surface are difficult by its heat that distributes oven dry, adopts the LED light fixture of ultrasonic cleaning can not make the surface of water droplet attached to light fixture.
When LED is luminous, no matter be that rainwater or user's reason make light fixture outer cover humidity, all clean automatically.
The beneficial effects of the utility model are, a kind of hyperacoustic LED Device for cleaning lamp of different frequency range that adopts under the different operating environment is provided, select the ultrasonic wave of suitable frequency according to environment temperature, and utilize single-chip microcomputer to clean automatically, improve lampshade cleannes and illuminating effect, reduced because of cleaning improper infringement, prolonged light fixture service life the light fixture outer cover.
Description of drawings
Fig. 1 is for adopting sensor and single-chip microcomputer and utilizing hyperacoustic LED fitting structure front view.
Fig. 2 is the utility model circuit block diagram.
Fig. 3 is the utility model circuit theory diagrams.
Among the figure: 1. light fixture outer cover, 2. Temperature Humidity Sensor, 3. single-chip microcomputer, 4. supersonic generator, 5. ultrasonic transducer.
The specific embodiment
In conjunction with the drawings the utility model is further described.
As Fig. 1, the Temperature Humidity Sensor of measuring temperature and humidity adopts the pin type encapsulation of SHT75, the Temperature Humidity Sensor of this packing forms can be immersed in the liquid fully, on the light fixture outer cover, leave long 7 millimeters, loose 4.2 millimeters slot, the sensor of measuring the humiture value is installed in the rear in hole, adopts industrial bonding agent to sew up with the slit at the edge in hole around the Temperature Humidity Sensor.
The ultrasonic transducer that produces 32.5KHZ, 33.5KHZ, 34.5KHZ, 35.5KHZ and 37.5KHZ, 38.5KHZ, 39.5KHZ, 40.5KHZ is bonding by the inwall of industrial bonding agent and light fixture outer cover, supersonic generator and ultrasonic transducer are electrically connected, and can several combinations be arranged according to LED lampshade area size.
As shown in Figure 2, adopt sensor and single-chip microcomputer and utilize hyperacoustic LED light fixture washer, comprise light fixture outer cover, Temperature Humidity Sensor, single-chip microcomputer, supersonic generator and ultrasonic transducer.Temperature Humidity Sensor is fixed on the light fixture outer cover.
As Fig. 3, single-chip microcomputer adopts STC12C5624AD, and the relative humiture value of Temperature Humidity Sensor by measuring is sent to the pin 26 of single-chip microcomputer with square-wave signal through pin 4.
Temperature Humidity Sensor has four pins, and pin 1 is serial clock input (SCK), and pin 2 is power pins (VDD), pin 3 is ground (GND), pin 4 is serial bi-directional data (DATA), and the voltage range that pin 2 receives is 2.4 to 5.5V, pin 4 output square-wave signals.
When the ambient temperature that records when Temperature Humidity Sensor is higher than zero degrees celsius, sensor the 4th pin sends signal to single-chip microcomputer, single-chip microcomputer controls signal to supersonic generator with the signal that receives through handling and sending, and the low frequency ultrasonic wave that supersonic generator sends 32.5KHZ, 33.5KHZ, 34.5KHZ or 35.5KHZ cleans the light fixture outer cover.
When the ambient temperature that records when Temperature Humidity Sensor is lower than zero degrees celsius, sensor the 4th pin sends signal to single-chip microcomputer, single-chip microcomputer controls signal to supersonic generator with the signal that receives through handling and sending, and the ultra-high frequency ultrasonic wave that supersonic generator sends 37.5KHZ, 38.5KHZ, 39.5KHZ or 40.5KHZ cleans the light fixture outer cover.
When light fixture powers on, the Temperature Humidity Sensor energising, the speed that powers on is not less than 1V/ms, and energising back Temperature Humidity Sensor needs 11ms to enter resting state, Temperature Humidity Sensor is not sent any order before this, and Temperature Humidity Sensor exemplary operation voltage is 3.3V.
When LED is luminous, voltage is raised to more than 3.2 volts from 0, single-chip microcomputer detects the LED voltage change, DATA and SCK pin by Temperature Humidity Sensor wake sensor up, single-chip microcomputer sends one group of measuring command 00000101 and gives Temperature Humidity Sensor SHT75, carries out the measurement of relative humidity, Temperature Humidity Sensor SHT75 by drop-down DATA to low level and enter idle pulley and represent the end of measuring, single-chip microcomputer reads humidity value by DATA and SCK pin, and sensor enters dormant state.DATA and SCK pin by Temperature Humidity Sensor wake sensor once more up, single-chip microcomputer sends one group of measuring command 00000011 and gives Temperature Humidity Sensor SHT75, carry out the measurement of temperature, Temperature Humidity Sensor SHT75 once more by drop-down DATA to low level and enter idle pulley and represent the end of measuring, single-chip microcomputer reads temperature value by DATA and SCK pin, and sensor enters resting state.Single-chip microcomputer judges whether the frequency of ultrasonic of sending ultrasonic wave and sending according to the relative humidity, the temperature value that read.After a period of time, repeat above-mentioned measuring process again, and adjust hyperacoustic power and frequency.
The foregoing description is exemplary illustration principle of the present utility model and effect only; and the embodiment of part utilization, for those skilled in the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to the scope of the utility model protection.
Claims (3)
1. adopt sensor and single-chip microcomputer and utilize hyperacoustic LED light fixture washer, it is characterized in that: comprise single-chip microcomputer and Temperature Humidity Sensor, Temperature Humidity Sensor is fixed on the light fixture outer cover, and ultrasonic transducer is bonding by the inwall of industrial bonding agent and light fixture outer cover.
2. employing sensor according to claim 1 and single-chip microcomputer also utilize hyperacoustic LED light fixture washer, it is characterized in that: single-chip microcomputer adopts STC12C5624AD, Temperature Humidity Sensor adopts SHT75, adopts the supersonic generator of 32.5KHZ, 33.5KHZ, 34.5KHZ, 35.5KHZ and 37.5KHZ, 38.5KHZ, 39.5KHZ, 40.5KHZ Frequency point.
3. employing sensor according to claim 1 and single-chip microcomputer also utilize hyperacoustic LED light fixture washer, and it is characterized in that: the 4th pin of Temperature Humidity Sensor is electrically connected with the 26th pin of single-chip microcomputer, and the positive pole of LED is electrically connected with single-chip microcomputer the 11st pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202691603U CN201724191U (en) | 2010-07-17 | 2010-07-17 | LED lamp cleaner adopting sensor and singlechip and utilizing ultrasonic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202691603U CN201724191U (en) | 2010-07-17 | 2010-07-17 | LED lamp cleaner adopting sensor and singlechip and utilizing ultrasonic wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201724191U true CN201724191U (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202691603U Expired - Fee Related CN201724191U (en) | 2010-07-17 | 2010-07-17 | LED lamp cleaner adopting sensor and singlechip and utilizing ultrasonic wave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201724191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103191886A (en) * | 2013-03-21 | 2013-07-10 | 安徽师范大学 | Method for detecting surface pollution degree through ultrasonic wave and cleaning pollution |
| CN114630717A (en) * | 2019-09-25 | 2022-06-14 | 里尔大学 | Electroacoustic device |
-
2010
- 2010-07-17 CN CN2010202691603U patent/CN201724191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103191886A (en) * | 2013-03-21 | 2013-07-10 | 安徽师范大学 | Method for detecting surface pollution degree through ultrasonic wave and cleaning pollution |
| CN114630717A (en) * | 2019-09-25 | 2022-06-14 | 里尔大学 | Electroacoustic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20130717 |