WO2017016083A1

WO2017016083A1 - Intelligent lighting system using sensing technology

Info

Publication number: WO2017016083A1
Application number: PCT/CN2015/093107
Authority: WO
Inventors: 曹小兵; 陆群
Original assignee: 深圳市裕富照明有限公司
Priority date: 2015-07-28
Filing date: 2015-10-28
Publication date: 2017-02-02
Also published as: CN204948413U

Abstract

An intelligent lighting system using the sensing technology comprises a sensing module, a controlling module electrically connected with the sensing module, and a lamp. The sensing module collects lighting environment information and converts the lighting environment information into an electrical signal transmitted to the controlling module. The controlling module processes the received electrical signal to a control signal and controls the lamp electrically connected with the controlling module via the control signal. The intelligent lighting system using the sensing technology collects lighting information via the sensing module and transmits the lighting information to the controlling module, and intelligent management and control for the lamp can be realized by the controlling module. Multi-function and multi-direction data collection means can be realized and the problems of a single collection mode and low degree of intelligence can be solved. Thus better management and control for the lighting system is realized.

Description

Intelligent lighting system using sensing technology

[Technical Field]

The utility model relates to the field of lighting systems, in particular to an intelligent lighting system using sensing technology.

【Background technique】

Sensing technology has been widely used in LED lighting and display fields, and its role in secondary energy saving has been fully reflected, and it is also an important part of LED intelligent lighting. At present, the lighting system applied to agricultural development adopts sensing technology, which can meet the requirements of data collection in lighting environment, but the collection function is relatively simple, and the power consumption is large, and the degree of intelligence is low. It is difficult to achieve better monitoring and management of the lighting environment. .

[Summary of the Invention]

With this, it is necessary to have a single method of information collection and low intelligence, and provide an intelligent lighting system using sensing technology to achieve better control of the lighting system.

An intelligent lighting system utilizing a sensing technology, the system comprising: a sensing module, a control module electrically connected to the sensing module, and a light fixture;

The sensing module collects lighting environment information, and converts the lighting environment information into an electrical signal for transmission to the control module;

The control module processes the received electrical signal as a control signal, and controls the luminaire electrically coupled to the control module via a control signal.

In one embodiment, the control module specifically includes: a preprocessing unit, a signal processing unit, and a control execution unit;

The pre-processing unit is connected to the signal processing unit, processes the electrical signal, and amplifies and transmits to the signal processing unit;

The signal processing unit is connected to the control execution unit, and processes the received amplified electrical signal to transmit the control signal to the control execution unit;

The control execution unit controls the working state of the luminaire according to the received control signal.

In one embodiment, the pre-processing unit specifically includes: an analog-to-digital converter, a programmable gain amplifier, and a reference voltage source;

The reference voltage source is respectively connected to the analog to digital converter and the programmable gain amplifier;

The analog to digital converter converts the illumination environment information into a digital signal for transmission to the programmable gain amplifier; amplifying the digital signal by the gain amplifier; the voltage reference source to the analog to digital converter and A programmable gain amplifier provides a reference voltage.

In one embodiment, the information sensing module includes:

a signal acquisition module, configured to collect the updated optical environment parameter, and convert the updated optical environment parameter into a power quantity signal for amplification;

a signal processing module, configured to store the amplified power signal, and process the digital transmission signal to the control sending end;

The signal acquisition module and the signal processing module are respectively connected to the constant voltage constant current driving module, and the constant voltage constant current driving module provides a stable current and voltage.

In one embodiment, the signal processing unit includes: a comparator and a timer;

The comparator compares the received amplified electrical signal with the reference voltage and uses the timer to find a differential signal transmission for a set period of time.

In one embodiment, the signal processing unit further includes: a microprocessor and a memory;

The microprocessor is respectively coupled to the timer and the memory; the memory buffers the amplified electrical signal received by the microprocessor; the microprocessor parses the difference signal into the control execution The control signal identified by the unit.

In one embodiment, the control execution unit is specifically a relay group connected to the micro processing; the relay group receives the control signal for controlling power supply to the lamp /disconnect.

In one embodiment, the programmable gain amplifier comprises: a fully balanced differential amplifier, a decoder and a resistor switch array; the timer is a CD4538 multivibrator.

In one embodiment, the sensing module specifically includes:

Any one or any combination of an infrared pyroelectric sensor, a photosensor, a voice sensor, an ultrasonic sensor, a Hall sensor, and an ambient light sensor.

The above intelligent lighting system using the sensing technology collects the illumination information through the sensing module and transmits it to the control module, and then the control module can realize the intelligent control of the lamp, realize the multifunctional, multi-directional data collection mode, and solve the single and intelligent collection mode. The problem of low degree of implementation is to achieve better control of the lighting system.

[Description of the Drawings]

1 is a schematic structural diagram of an intelligent lighting system using a sensing technology according to an embodiment of the present invention;

2 is a schematic structural diagram of a control module according to an embodiment of the present invention;

3 is a schematic structural diagram of a preprocessing unit according to an embodiment of the present invention;

4 is a schematic structural diagram of a signal processing unit according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an intelligent lighting system using a sensing technology according to another embodiment of the present invention.

【detailed description】

The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. The embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without the creative work of the present invention are within the scope of the protection of the present invention.

FIG. 1 is a schematic structural diagram of an intelligent lighting system using a sensing technology according to an embodiment of the present invention. The intelligent lighting system of this embodiment may include: a sensing module 110, a control module 130, and a luminaire 150, and the sensing module 110 and The control module 130 is electrically connected, and the luminaire 150 is electrically connected to the control module 130. The sensing module 110 collects lighting environment information, and converts the lighting environment information into an electrical signal for transmission to the control module 130.

In this embodiment, the sensing module 110 in the intelligent lighting system using the sensing technology replaces the collected physical quantity information into an electrical signal, and the collecting information is intelligently processed by the control module 130 to achieve the purpose of controlling the LED lighting. The lighting environment information may be: parameter information such as color temperature, illuminance and light intensity in the lighting environment, temperature, humidity, carbon dioxide concentration, nutrient solution and scene in the lighting environment. The sensing module 110 can be any one or any combination of an infrared pyroelectric sensor, a photosensor, a voice sensor, an ultrasonic sensor, a Hall sensor, and an ambient light sensor.

The control module 130 processes the received electrical signals into control signals, and controls the luminaires 150 that are electrically coupled to the control module 130 via control signals. The control module 130 controls the conduction and disconnection of the power supply to the lamp 150, and further controls the illumination time of the lamp 150 and the adjustment of the temperature, humidity, and carbon dioxide concentration of the surrounding light environment.

In one embodiment, FIG. 2 is a schematic structural diagram of a control module according to an embodiment of the present invention. The control module 130 may include: a pre-processing unit 131, a signal processing unit 133, and a control execution unit 135. The pre-processing unit 131 and The signal processing unit 133 is connected, processes the electrical signal, and is amplified and transmitted to the signal processing unit 133. The signal processing unit 133 is connected to the control execution unit 135, and processes the received amplified electric signal as the control signal to be transmitted to the control execution unit 135.

In this embodiment, the various signals collected by the sensing module 110 are very weak, and the small signal needs to be processed. Therefore, the preprocessing unit 131 performs electrical signal processing and amplification.

In one embodiment, FIG. 3 is a schematic structural diagram of a pre-processing unit according to an embodiment of the present invention. The pre-processing unit 131 includes an analog-to-digital converter 1311, a programmable gain amplifier 1312, and a reference voltage source 1313. The reference voltage source 1313 is connected to an analog-to-digital converter 1311 and a programmable gain amplifier 1312, respectively, and the analog-to-digital converter 1311 converts the illumination environment information into a digital signal for transmission to the programmable gain amplifier 1312, and the digital signal is amplified by the gain amplifier 1312. The voltage reference source 1313 provides a reference voltage to the analog to digital converter 1311 and the programmable gain amplifier 1312.

In the present embodiment, the analog-to-digital converter 1311 may be any one of 3, 6, 8, 10, 14 and 16 bits and 31/2 bits or 51/2 bits of the BCD code. According to the conversion speed, it can be ultra-high speed (conversion time=330ns), sub-high speed (330~3.3μS), high speed (conversion time 3.3~333μS), low speed (transition time>330μS). The analog to digital converter 1311 can also be a direct A/D converter and an indirect A/D converter. The direct A/D converter converts the analog signal directly into a digital signal, such as successive approximation type, parallel comparison type, etc., which can achieve higher resolution and speed. The indirect A/D converter converts the analog quantity into an intermediate quantity and then converts it into a digital quantity, such as a voltage/time conversion type (integral type), a voltage/frequency conversion type, a voltage/pulse width conversion type, and the like. Among them, the integral type A/D converter circuit is simple and has strong anti-interference ability. The analog-to-digital converter 1311 can also integrate a multiplex switch, a reference voltage source, a clock circuit, a decoder, and a conversion circuit in one chip, which is very convenient to use.

The programmable gain amplifier 1312 can include a fully balanced differential amplifier module, a decoder module, and a resistive switch array module. The resistance ratio of the negative feedback resistor divider in the fully balanced differential amplifier module determines the maximum gain of the amplifier. The decoding result of the encoder module controls the resistance switch array module to attenuate the attenuation of the input signal, and finally realizes the programmable gain of the amplifier.

In one embodiment, FIG. 4 is a schematic structural diagram of a signal processing unit according to an embodiment of the present invention. The signal processing unit 133 may include a comparator 1331 and a timer 1332 that compares the received amplified electrical signal with a reference voltage and finds a difference signal transmission within a set period of time by the timer 1332. In this embodiment, the timer 1331 may be a CD4538 multivibrator, wherein the set time period may be 0.02 s.

Further, referring to FIG. 4, the signal processing unit 133 further includes a microprocessor 1333 and a memory 1334. The microprocessor 1333 is connected to a timer 1331 and a memory 1334, respectively. The memory 1334 buffers the amplified electrical signal received by the microprocessor 1332, and the microprocessor 1332 parses the difference signal into a control signal recognized by the control execution unit 135.

FIG. 5 is a schematic structural diagram of an intelligent lighting system using a sensing technology according to another embodiment of the present invention. The control execution unit 135 can be a relay group, and is connected to the microprocessor 1333. The relay group receives a control signal for controlling whether the power supply to the lamp 150 is turned on or off, and further adjusting the brightness of the lamp 150, the illumination time and The entire lighting environment.

The utility model utilizes the sensing technology to realize multi-functional and multi-directional data collection modes through various combinations of various sensors, and solves the problem of single collection mode and low intelligence degree, thereby realizing better control of the illumination system.

The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.

The above-mentioned embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the utility model. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

An intelligent lighting system using a sensing technology, the system comprising: a sensing module, a control module electrically connected to the sensing module, and a light fixture;

The sensing module collects lighting environment information, and converts the lighting environment information into an electrical signal for transmission to the control module;

The control module processes the received electrical signal as a control signal, and controls the luminaire electrically coupled to the control module via a control signal.
The intelligent lighting system using the sensing technology according to claim 1, wherein the control module comprises: a preprocessing unit, a signal processing unit, and a control execution unit;

The pre-processing unit is connected to the signal processing unit, processes the electrical signal, and amplifies and transmits to the signal processing unit;

The signal processing unit is connected to the control execution unit, and processes the received amplified electrical signal to transmit the control signal to the control execution unit;

The control execution unit controls the working state of the luminaire according to the received control signal.
The intelligent lighting system using the sensing technology according to claim 2, wherein the pre-processing unit comprises: an analog-to-digital converter, a programmable gain amplifier, and a reference voltage source;

The reference voltage source is respectively connected to the analog to digital converter and the programmable gain amplifier;

The analog to digital converter converts the illumination environment information into a digital signal for transmission to the programmable gain amplifier; amplifying the digital signal by the gain amplifier; the voltage reference source to the analog to digital converter and A programmable gain amplifier provides a reference voltage.
The intelligent lighting system using the sensing technology according to claim 3, wherein the signal processing unit comprises: a comparator and a timer;

The comparator compares the received amplified electrical signal with the reference voltage and uses the timer to find a differential signal transmission for a set period of time.
The intelligent lighting system using the sensing technology according to claim 4, wherein the signal processing unit further comprises: a microprocessor and a memory;

The microprocessor is respectively coupled to the timer and the memory; the memory buffers the amplified electrical signal received by the microprocessor; the microprocessor parses the difference signal into the control execution The control signal identified by the unit.
The intelligent lighting system using sensing technology according to claim 5, wherein the control execution unit is specifically a relay group connected to the micro processing; the relay group receives the control signal for controlling The power supply to the luminaire is turned on/off.
The intelligent illumination system using sensing technology according to claim 4, wherein said programmable gain amplifier comprises: a fully balanced differential amplifier, a decoder and a resistor switch array; said timer is a CD4538 multi-harmonic Oscillator.
The intelligent lighting system using the sensing technology according to claim 1, wherein the sensing module specifically comprises:

Any one or any combination of an infrared pyroelectric sensor, a photosensor, a voice sensor, an ultrasonic sensor, a Hall sensor, and an ambient light sensor.