CN210274605U - Dimming control system - Google Patents
Dimming control system Download PDFInfo
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- CN210274605U CN210274605U CN201920587716.4U CN201920587716U CN210274605U CN 210274605 U CN210274605 U CN 210274605U CN 201920587716 U CN201920587716 U CN 201920587716U CN 210274605 U CN210274605 U CN 210274605U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model relates to a dimming control system of a dimming control system, which is used for adjusting the indoor illumination intensity, an infrared sensing unit is used for detecting whether a person approaches and outputting an infrared detection signal to a signal output unit; the signal output unit is used for outputting a logic signal to the filtering unit according to the infrared detection signal; the filtering unit is used for outputting the logic signal to the voltage division unit after filtering the logic signal; the logic signal after passing through the voltage division module is output to the current regulation unit, and the current regulation unit is used for regulating the output current to be high or low according to the logic signal, so that the brightness of the LED is regulated. Thus, the light intensity is adjusted higher when a person approaches and is adjusted lower when a person leaves, for attracting a customer to view the product when the customer approaches.
Description
Technical Field
The utility model relates to a dimming control technique especially relates to a can be close to the dimming control system who adjusts illumination intensity according to the user.
Background
Along with the development of modernization, the product of market is more and more, and the selection that can supply the user is also a lot, so, except that product self can attract customer, can also reach the purpose of attracting customer through light effect, the light of current market special cabinet all is fixed illumination intensity, if the scintillation that adopts the color lamp, can cause the vision confusion, the observation product that can't let the customer focus on.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a dimming control system that can adjust the intensity of light according to whether a user approaches, thereby attracting customers.
A dimming control system is used for adjusting the indoor illumination intensity and comprises a sensor module and a dimming module;
the dimming module comprises a voltage division unit, a filtering unit and a current regulation unit;
the sensor module comprises an infrared sensing unit and a signal output unit;
the infrared sensing unit is used for detecting whether a person approaches and outputting an infrared detection signal to the signal output unit; the signal output unit is used for outputting a logic signal to the filtering unit according to the infrared detection signal; the filtering unit is used for outputting the logic signal to the voltage dividing unit after filtering the logic signal; the logic signal after passing through the voltage division unit is output to the current regulation unit, and the current regulation unit is used for regulating the output current to be high or low according to the logic signal so as to regulate the brightness of the LED.
In one embodiment, the voltage dividing unit includes a voltage dividing resistor R2, a resistor R3, and a capacitor C2, the resistor R2, the resistor R3, and the capacitor C2 are sequentially connected in series, one end of the resistor R2 far from the resistor R3 is connected to the positive electrode of a power supply, and one end of the capacitor C2 far from the resistor R3 is grounded.
In one embodiment, the filtering unit comprises a capacitor C1, the positive electrode of the capacitor C1 is connected with the positive electrode of the power supply, and the negative electrode of the capacitor C1 is grounded.
In one embodiment, the current adjusting unit comprises a dimming chip U1, an input terminal of the dimming chip U1 is connected to the output terminal of the sensor module, a power terminal of the dimming chip U1 is connected to the positive electrode of the power supply, a ground terminal of the dimming chip U1 is connected to the ground, and an output terminal of the dimming chip is connected to the LED.
In one embodiment, the current regulation unit further includes a resistor R1, and one end of the resistor R1 is connected to the output terminal of the sensor module, and the other end is connected to the input terminal of the dimming chip U1.
In one embodiment, the current regulation unit further includes a diode D2, and an anode of the diode D2 is connected to the output terminal of the dimming chip U1, and a cathode of the diode D2 is connected to the LED.
In one embodiment, the current regulating unit further includes an inductor L3, one end of the inductor L3 is connected to the output terminal of the dimming chip U1, and the other end is connected to the LED.
In one embodiment, the infrared sensing unit includes an infrared sensor.
In one embodiment, the signal output unit includes a nor gate.
The dimming control system of the dimming control system is used for adjusting the indoor illumination intensity, and the infrared sensing unit is used for detecting whether a person approaches and outputting an infrared detection signal to the signal output unit; the signal output unit is used for outputting a logic signal to the filtering unit according to the infrared detection signal; the filtering unit is used for outputting the logic signal to the voltage division unit after filtering the logic signal; the logic signal after passing through the voltage division unit is output to the current regulation unit, and the current regulation unit is used for regulating the output current to be high or low according to the logic signal, so that the brightness of the LED is regulated. Thus, the light intensity is adjusted higher when a person approaches and is adjusted lower when a person leaves, for attracting a customer to view the product when the customer approaches.
Drawings
FIG. 1 is a block diagram of a dimming control system;
FIG. 2 is a schematic circuit diagram of a sensor module;
fig. 3 is a schematic circuit diagram of the dimming module.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Referring to fig. 1 to 3,
a dimming control system is used for adjusting the indoor illumination intensity and comprises a sensor module 20 and a dimming module 10;
the dimming module 10 includes a voltage dividing unit 102, a filtering unit 101, and a current adjusting unit 103;
the sensor module 20 includes an infrared sensing unit 201 and a signal output unit 202;
the infrared sensing unit 201 is configured to detect whether a person approaches and output an infrared detection signal to the signal output unit 202; the signal output unit 202 is configured to output a logic signal to the filtering unit 101 according to the infrared detection signal; the filtering unit 101 is configured to perform filtering processing on the logic signal and output the logic signal to the voltage dividing unit 102; the logic signal after passing through the voltage division unit is output to the current regulation unit 103, and the current regulation unit 103 is used for increasing or decreasing the output current according to the logic signal, so as to regulate the brightness of the LED.
The voltage dividing unit 102 comprises a voltage dividing resistor R2, a resistor R3 and a capacitor C2, wherein the resistor R2, the resistor R3 and the capacitor C2 are sequentially connected in series, one end of the resistor R2, which is far away from the resistor R3, is connected to the positive electrode of a power supply, and one end of the capacitor C2, which is far away from the resistor R3, is grounded.
The filtering unit 101 comprises a capacitor C1, the positive electrode of the capacitor C1 is connected with the positive electrode of the power supply, and the negative electrode of the capacitor C1 is grounded.
The current adjusting unit 103 comprises a dimming chip U1, the input end of the dimming chip U1 is connected with the output end of the sensor module 20, the power supply end of the dimming chip U1 is connected with the positive electrode of the power supply, the grounding end of the dimming chip U1 is grounded, and the output end of the dimming chip is connected with the LED.
The current adjusting unit 103 further includes a resistor R1, wherein one end of the resistor R1 is connected to the output terminal of the sensor module 20, and the other end is connected to the input terminal of the dimming chip U1.
The current adjusting unit 103 further includes a diode D2, wherein an anode of the diode D2 is connected to the output terminal of the dimming chip U1, and a cathode thereof is connected to the LED.
The current regulating unit 103 further comprises an inductor L3, one end of the inductor L3 is connected to the output end of the dimming chip U1, and the other end is connected to the LED.
The infrared sensing unit 201 includes an infrared sensor.
The signal output unit 202 includes a nor gate.
The dimming control system of the dimming control system is used for adjusting the indoor illumination intensity, and the infrared sensing unit 201 is used for detecting whether a person approaches and outputting an infrared detection signal to the signal output unit 202; the signal output unit 202 is configured to output a logic signal to the filtering unit 101 according to the infrared detection signal; the filtering unit 101 is configured to perform filtering processing on the logic signal and output the logic signal to the voltage dividing unit 102; the logic signal after passing through the voltage division unit is output to the current regulation unit 103, and the current regulation unit 103 is used for increasing or decreasing the output current according to the logic signal, so as to regulate the brightness of the LED. Thus, the light intensity is adjusted higher when a person approaches and is adjusted lower when a person leaves, for attracting a customer to view the product when the customer approaches.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A dimming control system is used for adjusting the indoor illumination intensity and is characterized by comprising a sensor module and a dimming module;
the dimming module comprises a voltage division unit, a filtering unit and a current regulation unit;
the sensor module comprises an infrared sensing unit and a signal output unit;
the infrared sensing unit is used for detecting whether a person approaches and outputting an infrared detection signal to the signal output unit; the signal output unit is used for outputting a logic signal to the filtering unit according to the infrared detection signal; the filtering unit is used for outputting the logic signal to the voltage dividing unit after filtering the logic signal; the logic signal after passing through the voltage division unit is output to the current regulation unit, and the current regulation unit is used for regulating the output current to be high or low according to the logic signal so as to regulate the brightness of the LED.
2. The dimming control system according to claim 1, wherein the voltage dividing unit comprises a voltage dividing resistor R2, a resistor R3 and a capacitor C2, the resistor R2, the resistor R3 and the capacitor C2 are sequentially connected in series, one end of the resistor R2 far from the resistor R3 is connected to a positive electrode of a power supply, and one end of the capacitor C2 far from the resistor R3 is connected to a ground.
3. The dimming control system of claim 1, wherein the filtering unit comprises a capacitor C1, the positive electrode of the capacitor C1 is connected to the positive electrode of the power supply, and the negative electrode of the capacitor C1 is connected to ground.
4. The dimming control system according to claim 1, wherein the current adjusting unit comprises a dimming chip U1, an input terminal of the dimming chip U1 is connected to the output terminal of the sensor module, a power terminal of the dimming chip U1 is connected to a positive power terminal, a ground terminal of the dimming chip U1 is connected to ground, and an output terminal of the dimming chip is connected to the LED.
5. The dimming control system of claim 4, wherein the current adjusting unit further comprises a resistor R1, one end of the resistor R1 is connected to the output terminal of the sensor module, and the other end is connected to the input terminal of the dimming chip U1.
6. The dimming control system according to claim 4, wherein the current adjusting unit further comprises a diode D2, the anode of the diode D2 is connected to the output terminal of the dimming chip U1, and the cathode of the diode D2 is connected to the LED.
7. The dimming control system according to claim 4, wherein the current adjusting unit further comprises an inductor L3, one end of the inductor L3 is connected to the output terminal of the dimming chip U1, and the other end is connected to the LED.
8. The dimming control system of claim 1, wherein the infrared sensing unit comprises an infrared sensor.
9. The dimming control system of claim 1, wherein the signal output unit comprises a nor gate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098247 | 2019-01-18 | ||
| CN201920098247X | 2019-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210274605U true CN210274605U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920587716.4U Active CN210274605U (en) | 2019-01-18 | 2019-04-26 | Dimming control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210274605U (en) |
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2019
- 2019-04-26 CN CN201920587716.4U patent/CN210274605U/en active Active
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