CN101626649A - Energy-saving lighting method and device in school classrooms - Google Patents
Energy-saving lighting method and device in school classrooms Download PDFInfo
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- CN101626649A CN101626649A CN200810230939A CN200810230939A CN101626649A CN 101626649 A CN101626649 A CN 101626649A CN 200810230939 A CN200810230939 A CN 200810230939A CN 200810230939 A CN200810230939 A CN 200810230939A CN 101626649 A CN101626649 A CN 101626649A
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Abstract
The invention relates to an energy-saving lighting method and a device in school classrooms, belonging to the technical field of energy saving. The method comprises the following steps: dividing all the classrooms into different regions based on the neighboring rule, installing personnel entry and exit sensing counting devices at the entrance and exit of each classroom; in the time period requiring lighting, turning on the lights in one classroom in each region at first and counting the total of the self-study personnel left after the personnel enter and exit from the classroom by the sensing counting devices, turning on the set lights in the next classroom when the total of the self-study personnel in the classroom reaches or exceeds the number of personnel set by the system and doing the rest in the same manner until the lights in all the classrooms are turned on. The energy-saving lighting device comprises a main singlechip, a real-time clock (RTC) circuit, an address latch, a cascade control circuit, an RS485 communication interface circuit, a keyboard and a display device; the RTC circuit, the address latch, the cascade control circuit, the RS485 communication interface circuit, the keyboard and the display device are connected into an I/O port corresponding to the main singlechip. The invention improves the utilization ratio of the electric energy, can set certain time at which the lights in all the classrooms are turned off after self-study classes in the evening and stops lights from burning all night.
Description
Technical field
The present invention and a kind of classroom energy-saving illumination means and device belong to field of energy-saving technology.
Background technology
In traditional in the past university's class management, the management of classroom illumination lamp is in disordered state, particularly review one's lessons by oneself the time in evening, nearly all illuminating lamp all is in opening, and it is very inhomogeneous in the distribution in classroom to review one's lessons by oneself the student, and some classroom is the no one almost, and illuminating lamp is still opened, and " altar lamp " phenomenon ubiquity has caused great waste.
Existing power-saving technology implementation is installed intelligent apparatus for passing through to fluorescent lamp, and the people comes in to sit down, and the lamp of top, seat just lights automatically, and the people leaves, and lamp extinguishes automatically.This intelligent apparatus is on fluorescent lamp far infrared energy-saving switch, and after the installation, fluorescent lamp can be according to illuminance and needs illumination zone, and mains switch is controlled in induction automatically.
Prior art is as long as there is the people in the classroom, no matter what, fluorescent lamp all can be bright, wherein has three problems: classroom number fluorescent lamp after a little while also can be bright, and utilization rate of electrical is low, and energy-saving effect is not obvious; The classroom number has only the lamp of top, people seat bright after a little while, and illumination is low, and the student forms myopia easily; Can not centralized control and turn off the light automatically according to the time of reviewing one's lessons by oneself.
In order to solve above problem, strengthen administration of energy conservation to the university classroom, just need accomplish according to the rationally open classroom of reviewing one's lessons by oneself of students ' actual situation demand.This invention is based on that singlechip technology and bonding position type human body sensing are surveyed sensor-based system and software controlling technique and a kind of dynamic classroom intelligence control system that designs.So-called Based Intelligent Control is according to real-time number and illumination in the classroom, dynamically opens or close illuminating lamp.Its used known technology mainly comprises flow of the people detection technique and lighting control technique, and people's flow sensor mainly adopts the top to adorn act detection mode that diffuses, and every group of people's flow sensor is made up of an infrared transmitter and an infrared receiver.Reflector and receiver are made into integrated, and the infrared ray of reflector emission can be reflected when running into human body or clothes, and after receiving the infrared ray that is reflected when receiver, think that the someone passes through, and receiver does not receive infrared ray and thinks the unmanned state.The gateway width is divided into a plurality of zones, and all there is corresponding people's flow sensor in each zone, guarantees the infrared ray that human body or clothes in any position, gateway can have correspondence to be reflected.Just can detect people's flow data that many people pass through simultaneously by area dividing.
Act detection mode that diffuses is adorned on the top, and is easy for installation, only need be installed in the gateway and get final product.
Summary of the invention
The purpose of this invention is to provide a kind of classroom energy-saving illumination means and device, to solve university's classroom illumination lamp centralized control and utilization rate of electrical is low and the waste problem.
For achieving the above object, the present invention adopts following technical scheme: a kind of classroom energy-saving illumination means, and this method may further comprise the steps:
The a classroom of will all throwing light on is divided into different zones by neighbour's principle, and the import and export in each classroom is provided with personnel and passes in and out the sensing gauge counting apparatus;
B is in the time period of needs illumination, each zone is the illumination in an open classroom wherein earlier all, the sensing gauge counting apparatus calculates the last personnel's of reviewing one's lessons by oneself sum behind the turnover classroom, in this classroom, review one's lessons by oneself personnel's sum, when meeting or exceeding the number of default, then open the illuminating lamp in the next classroom of setting, by that analogy, all open until the illuminating lamp in all classrooms.
When in the same area, having the number in two and above classroom to meet or exceed the number of default simultaneously, then open the illuminating lamp in these classrooms simultaneously.
The illuminating lamp opening sequence serves as preferential with close extra exit.
Each regional illuminating lamp is opened with even distribution and is as the criterion then.
A kind of classroom energy-saving illuminator, a kind of classroom energy-saving illuminator, it is characterized in that: this device comprise a master control unit and with the sub level joint control system unit of classroom quantity same number, described master control unit comprises address latch, communication interface circuit, keyboard and the display unit of host scm, real time clock circuit, connexon cascade control unit and host scm; Described real time clock circuit is connected into the outside input pin of a timer and the outside input pin of another timer of host scm respectively by serial clock input pin and serial data I/O pin, described address latch data/address bus mouth is connected into the corresponding I/O mouth of host scm, described communication interface circuit is connected into the host scm corresponding interface, and the data/address bus mouth of described keyboard and the data/address bus mouth of display unit are connected into the corresponding I/O mouth of single-chip microcomputer respectively; Described sub level joint control system unit comprises time single-chip microcomputer, be used for another communication interface circuit of being complementary and being connected with the communication interface circuit of master control unit, the flow of the people testing circuit in turnover classroom, the classroom power control, luminance detection and opening, the checkout gear of closing the door, described luminance detection and opening, the checkout gear of closing the door is connected into time corresponding I/O mouth of single-chip microcomputer respectively, described another communication interface circuit is connected into the corresponding interface of time single-chip microcomputer, described flow of the people testing circuit output is connected into time corresponding I/O mouth of single-chip microcomputer, and described classroom power control also is connected into time corresponding I/O mouth of single-chip microcomputer.
The communication interface circuit of described main control unit connects the serial port receiver input pin and the serial port transmitter output pin of communication interface circuit in the sub-control unit respectively by serial port receiver input pin and serial port transmitter output pin.
The flow of the people testing circuit in described turnover classroom comprises and is installed at least one pair of inside and outside infrared ray transmitting and receiving device of doorway, classroom and is used to enter the classroom or walks out the d type flip flop of classroom personnel counting, an output of described d type flip flop is connected into an I/O mouth of time single-chip microcomputer, and the data input pin of this d type flip flop and input end of clock join with the output of a pair of infrared ray transmitting and receiving device respectively.
Described infrared ray transmitting and receiving device comprises infrared ray emission modulation circuit, the infrared ray receiving circuit, low-pass filter circuit, signal amplification circuit and demodulator circuit, described infrared ray emission modulating device is made of a current-limiting resistance and light-emitting diode and high-frequency triode series connection, described infrared ray receiving circuit is made of a current-limiting resistance and an infrared ray reception diode, described demodulator circuit is made of the chip that is used for phase modulation, wherein the base stage of the high-frequency triode in the infrared ray emission modulating device is connected into the high-frequency agitation source output of chip, the output of infrared radiation receiving circuit connects the input of low-pass filter circuit, the output of low-pass filter circuit connects the signal amplification circuit input, and the output of signal amplification circuit connects the input of chip.
The invention has the beneficial effects as follows: in the master control unit in the real-time timepiece chip precise time, by the analysis of single-chip microcomputer according to the luminance detection result, open the illuminating lamp in one of them classroom under each sub-control unit in real time, at this moment flow of the people detects the result that number in these classrooms is detected, be returned to the master control unit, when reaching or surpass on the number of default, the number in these classrooms prescribes a time limit, the master control main computer unit is controlled by cascade, open the illuminating lamp in next classroom, and the like; Just avoided under some situation of reviewing one's lessons by oneself the fewer in number or no one in classroom, the situation that illuminating lamp is still opened, improved the utilance of electric energy, simultaneously in the master control unit, be set in late certain time of reviewing one's lessons by oneself after finishing, the illuminating lamp unification in all classrooms is closed, can effectively stop " altar lamp " phenomenon.
Description of drawings
Fig. 1 is a block diagram of the present invention;
Fig. 2 is the schematic diagram of master control unit;
Fig. 3 is the schematic diagram of flow of the people detection and power control unit;
Fig. 4 is one tunnel infrared emission and the schematic diagram that receives modulation-demodulation circuit.
Embodiment
A kind of classroom energy-saving illumination means, specifically implement this method and may further comprise the steps:
The a classroom of will all throwing light on is divided into different zones by neighbour's principle, and the import and export in each classroom is provided with personnel and passes in and out the sensing gauge counting apparatus;
B is in the time period of needs illumination, each zone is the illumination in an open classroom wherein earlier all, the sensing gauge counting apparatus calculates the last personnel's of reviewing one's lessons by oneself sum behind the turnover classroom, in this classroom, review one's lessons by oneself personnel's sum, when meeting or exceeding the number of default, then open the illuminating lamp in the next classroom of setting, by that analogy, all open until the illuminating lamp in all classrooms.If when in the same area, having the number in two and above classroom to meet or exceed the number of default simultaneously, then open the illuminating lamp in these classrooms simultaneously.
Consider safety factor, from being convenient to evacuate crowd's angle, the illuminating lamp opening sequence serves as preferential with close extra exit in this energy-conservation means of illumination.
From the angle of each regional power load of balance, each regional illuminating lamp is opened with even distribution and is as the criterion then in this energy-conservation means of illumination.
A kind of classroom energy-saving illuminator, embodiment is:
Fig. 1 is a block diagram of the present invention, this device comprise the master control unit, with the sub-controlled stage receipts or other documents in duplicate unit of classroom quantity same number, each sub level joint control system unit all is connected into the master control unit, and each sub-control unit comprises flow of the people checkout gear, switch door checkout gear and the illumination control apparatus that is installed in each doorway, classroom.
The operation principle of master control unit is: the master control unit mainly is to transmit a comparatively accurate and unified time information to each sub level joint control system unit, carries out unified illumination scheduling controlling; Adopt special-purpose time chip in the master control unit, produce correct time information, and the time of can being undertaken by the keyboard that is located at the master control unit adjust and set, and can rotate by display unit and show the flow of the people information and the lighting condition in each room; Can carry out centralized control to the illumination in all cascade classrooms by the master control unit, also can carry out single control the illumination in a certain classroom; For example at first in a zone, open the illuminating lamp in a classroom, other classroom illumination lamp Close Alls; Adopt the number of student in this classroom of human body detection technology for detection, after the number that meets or exceeds system's regulation, illuminating lamp by the next classroom of master control unit controls is opened, continue to detect the number in the classroom, and the like, when needs are all or part of when closing illuminating lamp (for example reviewing one's lessons by oneself evening end, vacation etc.), by all or part of closed condition that is in of master control unit controls illuminating lamp.
The principle that demographics is reviewed one's lessons by oneself in each classroom is: sub-control unit receives the temporal information of sending from the master control unit by communication interface, regularly start and shutdown detecting circuit, it is to adorn act detection mode that diffuses by the top that flow of the people in its neutron control unit detects, form one infrared light curtain on the doorway, a door is divided several zones, a pair of infrared emission, receiving element all are equipped with in each zone, infrared emission, a receiving element detect and enter, another detection is gone out, and can reach simultaneously many people are passed in and out counting; For example: when the people enters, corresponding infrared light receiver is received the infrared light from the human body reflection, trigger by the trigger in people's current detection circuit, the high level signal of entering for representative of single-chip microcomputer, when the people gos out, corresponding infrared light receiver is received the infrared light from the human body reflection, trigger by the trigger in people's current detection circuit, the low level signal of going out for representative of single-chip microcomputer, single-chip microcomputer is done subtraction to the total number of persons of entering with the total number of persons of going out and is drawn number actual in the classroom.Owing to also contain infrared light in the light that natural daylight and some other lighting apparatus send, these light can be received by infrared remote receiver, be easy to generate and disturb and misoperation, in order to prevent this phenomenon, with the modulation about the light process 10KHZ (or 38KHZ) of infrared tube emission, outwards send infrared pulse light, infrared remote receiver carries out frequency-selecting to the light signal that receives, take out the infrared signal of 10KHZ (or 38KHZ), amplify shaping at last.Adopt the switch door to detect simultaneously and got rid of the interference of switch door to effective counting, luminance detection can be passed to main control unit to real-time information according to the variation of extraneous light, opens the classroom illumination control device in real time by it.
The schematic diagram of master control unit shown in Figure 2 comprises single-chip microcomputer W77E58P-40, address latch SN74HC573,485 telecommunication circuits, real-time clock device, keyboard and display unit; Data-in port 2 pin～9 pin of address latch meet the P00～P07 of single-chip microcomputer P0 mouth respectively, and 11 pin meet the ALE of single-chip microcomputer, and 20 pin connect the 5V power supply, 1 pin, 10 pin ground connection; 485 telecommunication circuits mainly are made of MAX485CAP chip and peripheral cell thereof, and 1 pin of 485 chips, 4 pin meet P30, the P31 of single-chip microcomputer respectively, and 2 pin, 3 pin of 485 chips meet P32 together, 8 pin connect the 5V power supply, 5 pin ground connection, resistance R 4 is connected with wire jumper JP2, is connected between 6 pin and 7 pin; The change-over circuit that resistance R 2, R3, R8 and triode Q1 constitute, R8 is the current-limiting resistance of base stage, the collector electrode of the termination Q1 of R3, another termination+12V, the P33 of the termination single-chip microcomputer of R2, another termination 12V power supply; Real time clock circuit mainly is made of special-purpose time chip PCF8563P and peripheral circuit, crystal oscillator X2 of serial connection between 1 pin of chip, 2 pin, 1 pin is to variable capacitance C8 of serial connection between the ground, 4 pin ground connection, 8 pin connect power supply, 7 pin, 6 pin, 5 pin connect the 5V power supply by resistance R 7, R6, R5 respectively, 5 pin, 6 pin meet single-chip microcomputer P34, P35 respectively, the power supply of real time clock circuit adopts the duplex feeding mode, one the tunnel is the 5V power supply connects 8 pin of real-time timepiece chip by diode D1, and another road is the positive pole of battery connects real-time timepiece chip by diode D2 8 pin; Keyboard mainly is made of the resistor chain of 8 buttons and one 9 pin, one end of 8 buttons connects one to one with 2～9 pin of resistor chain respectively, their other end connects the 5V power supply together, 1 pin of resistor chain also connects the 5V power supply, and 2～9 pin of resistor chain connect one to one with the P10～P17 of the P1 mouth of single-chip microcomputer respectively; Display circuit mainly is made up of liquid crystal module JP1,9～16 pin of liquid crystal module connect one to one with the P00～P07 of single-chip microcomputer P0 mouth respectively, 3 pin connect the output of bleeder circuit, described bleeder circuit is made of slide rheostat, 18 pin of its a termination liquid crystal module, other end ground connection, sliding contact connects 3 pin, 4 pin, 5 pin, 6 pin connect P36, P37, the P27 pin of single-chip microcomputer respectively, 19 pin of 7 pin ground connection location latchs, 8 pin connect by connect with capacitor C 8 output of the reset circuit that constitutes of resistance R 8,1 pin, 19 pin ground connection, and 2 pin, 20 pin connect the 5V power supply; The RESET of single-chip microcomputer connects the output of the reset circuit that is made of resistance R 1 and capacitor C 1 series connection.
Flow of the people shown in Figure 3 detects and the schematic diagram of power control unit, and it comprises single chip computer AT 89C52,485 telecommunication circuits, two rising edge trigger 74LS74 and infrared transceiver circuit; 485 telecommunication circuits mainly are made of MAX485CAP chip and peripheral cell thereof, and 1 pin of 485 chips, 4 pin meet P30, the P31 of single-chip microcomputer respectively, and 2 pin, 3 pin of 485 chips meet P25 together, 8 pin connect the 5V power supply, 5 pin ground connection, resistance R 1 is connected with wire jumper JP1, is connected between 6 pin and 7 pin.The change-over circuit that resistance R 9, R10, R11 and triode Q1 constitute, R9 is the current-limiting resistance of base stage, R10 is the current-limiting resistance of the collector electrode of Q1, R11 is connected between base stage and the emitter, the collector electrode of Q1 meets the P26 of single-chip microcomputer, the collector electrode of triode in the change-over circuit of the CON_JL termination master control unit of R3.
The infrared emission that a route LM567 shown in Figure 4 forms with receive modulation-demodulation circuit, the photosensitive diode D1 series connection of resistance R 3 and infrared ray constitutes infrared receiving circuit, wherein resistance R 3 provides biasing for the photosensitive diode D1 of infrared ray, the signal of the output of the photosensitive diode D1 of infrared ray is input to the inverting input of amplifier U4A by the circuit that is made of capacitor C 3 and resistance R 4 series connection, the positive input end grounding of amplifier U4A, the inverting input of amplifier U4A is connected in series with output by resistance R 5 and adjustable resistance VR1, wherein amplifier U4A amplifies the signal of the output of the photosensitive diode D1 of infrared ray, regulate adjustable resistance VR1 and can change multiplication factor, change infrared receiving circuit sensitivity; The output of amplifier U4A connects 3 pin of chip U3,1 pin of U3,2 pin are respectively by capacitor C 5, capacitor C 6 ground connection, connecting resistance R6 between 5 pin of U3 and 6 pin, 6 pin of U3 are by capacitor C 8 ground connection, 4 pin of U3 connect+12V by R7,7 pin ground connection, 8 pin link to each other with+12V through pull-up resistor R13, infrared emission tube D2 and resistance R 8 series connections are at the collector electrode of triode Q2, the grounded emitter of triode Q2, the base stage of triode Q2 connects 5 pin of U3 by capacitor C 7, wherein U3 is phase-locked loop intergrated circuit LM567, the square wave signal of telecommunication that LM567 produces is modulated on the infrared ray signal and launches, the photosensitive diode of infrared ray receives this signal, and it is become the signal of telecommunication, through amplifying, detected by LM567 self again, when the frequency of oscillation of LM567 self is identical with the signal frequency that will receive, its 8 pin output low level is to 2 pin of U2A, wherein U2A is one of them d type flip flop of 74LS74, another d type flip flop is U2B, 3 pin of 74LS74,12 pin, 11 pin connect other several roads infrared emission and the output that receives modulation-demodulation circuit respectively, a d type flip flop among the double D trigger 74LS74 is finished the discriminating of the turnover people direction in certain zone, doorway, classroom, 2 pin of double D trigger 74LS74 are for advancing the input of direction infrared sensor signal, 3 pin are the input of outgoing direction infrared sensor signal, this two paths of signals can identify into through d type flip flop, the direction of going out, single-chip microcomputer is according to advancing, go out direction signal and count pulse, again through certain algorithm just can accurately calculate personnel in the classroom how much.
Claims (8)
1. classroom's energy-saving illumination means, it is characterized in that: this method may further comprise the steps:
The a classroom of will all throwing light on is divided into different zones by neighbour's principle, and the import and export in each classroom is provided with personnel and passes in and out the sensing gauge counting apparatus;
B is in the time period of needs illumination, each zone is the illumination in an open classroom wherein earlier all, the sensing gauge counting apparatus calculates the last personnel's of reviewing one's lessons by oneself sum behind the turnover classroom, in this classroom, review one's lessons by oneself personnel's sum, when meeting or exceeding the number of default, then open the illuminating lamp in the next classroom of setting, by that analogy, all open until the illuminating lamp in all classrooms.
2. classroom according to claim 1 energy-saving illumination means is characterized in that: when having the number in two and above classroom to meet or exceed the number of default simultaneously in the same area, then open the illuminating lamp in these classrooms simultaneously.
3. classroom according to claim 1 energy-saving illumination means is characterized in that: the illuminating lamp opening sequence serves as preferential with close extra exit.
4. classroom according to claim 1 energy-saving illumination means is characterized in that: each regional illuminating lamp is opened with even distribution and is as the criterion then.
5. classroom's energy-saving illuminator, it is characterized in that: this device comprise a master control unit and with the sub level joint control system unit of classroom quantity same number, described master control unit comprises address latch, communication interface circuit, keyboard and the display unit of host scm, real time clock circuit, connexon cascade control unit and host scm; Described real time clock circuit is connected into the outside input pin of a timer and the outside input pin of another timer of host scm respectively by serial clock input pin and serial data I/O pin, described address latch data/address bus mouth is connected into the corresponding I/O mouth of host scm, described communication interface circuit is connected into the host scm corresponding interface, and the data/address bus mouth of described keyboard and the data/address bus mouth of display unit are connected into the corresponding I/O mouth of single-chip microcomputer respectively; Described sub level joint control system unit comprises time single-chip microcomputer, be used for another communication interface circuit of being complementary and being connected with the communication interface circuit of master control unit, the flow of the people testing circuit in turnover classroom, the classroom power control, luminance detection and opening, the checkout gear of closing the door, described luminance detection and opening, the checkout gear of closing the door is connected into time corresponding I/O mouth of single-chip microcomputer respectively, described another communication interface circuit is connected into the corresponding interface of time single-chip microcomputer, described flow of the people testing circuit output is connected into time corresponding I/O mouth of single-chip microcomputer, and described classroom power control also is connected into time corresponding I/O mouth of single-chip microcomputer.
6. classroom according to claim 5 energy-saving illuminator is characterized in that: the communication interface circuit of described main control unit connects the serial port receiver input pin and the serial port transmitter output pin of communication interface circuit in the sub-control unit respectively by serial port receiver input pin and serial port transmitter output pin.
7. classroom according to claim 5 energy-saving illuminator, it is characterized in that: the flow of the people testing circuit in described turnover classroom comprises and is installed at least one pair of inside and outside infrared ray transmitting and receiving device of doorway, classroom and is used to enter the classroom or walks out the d type flip flop of classroom personnel counting, an output of described d type flip flop is connected into an I/O mouth of time single-chip microcomputer, and the data input pin of this d type flip flop and input end of clock join with the output of a pair of infrared ray transmitting and receiving device respectively.
8. classroom according to claim 7 energy-saving illuminator, it is characterized in that: described infrared ray transmitting and receiving device comprises infrared ray emission modulation circuit, the infrared ray receiving circuit, low-pass filter circuit, signal amplification circuit and demodulator circuit, described infrared ray emission modulating device is made of a current-limiting resistance and light-emitting diode and high-frequency triode series connection, described infrared ray receiving circuit is made of a current-limiting resistance and an infrared ray reception diode, described demodulator circuit is made of the chip that is used for phase modulation, wherein the base stage of the high-frequency triode in the infrared ray emission modulating device is connected into the high-frequency agitation source output of chip, the output of infrared radiation receiving circuit connects the input of low-pass filter circuit, the output of low-pass filter circuit connects the signal amplification circuit input, and the output of signal amplification circuit connects the input of chip.
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| CN102591220A (en) * | 2012-01-12 | 2012-07-18 | 赖季谷 | Indoor intelligent water and electricity controller and control method thereof |
| CN102646328A (en) * | 2012-04-07 | 2012-08-22 | 赖季谷 | Household intelligent controller and control method thereof |
| CN104320887A (en) * | 2014-11-04 | 2015-01-28 | 华北电力大学（保定） | Method, device and system for controlling lighting lamps in individual study room |
| CN105405197A (en) * | 2015-12-18 | 2016-03-16 | 中山市民众镇民众中心小学 | People counting system with light control function for application to classroom |
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| CN110929712A (en) * | 2019-11-21 | 2020-03-27 | 大庆思特传媒科技有限公司 | Interaction device based on optical induction recognition |
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| CN201063911Y (en) * | 2007-07-06 | 2008-05-21 | 唐立军 | Classroom lamplight controller |
| CN101160004B (en) * | 2007-10-30 | 2010-09-15 | 南开大学 | Intelligent control system of lighting apparatus |
| CN101257754B (en) * | 2008-04-14 | 2012-08-22 | 孟宪超 | Intelligent energy-saving controller for indoor multi-lamp to bright according to number of people in and out |
| CN201294666Y (en) * | 2008-11-18 | 2009-08-19 | 宋北光 | Electricity-saving illumination system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102393708A (en) * | 2011-10-28 | 2012-03-28 | 郑州单点科技软件有限公司 | Energy-saving control system for study room and energy-saving control method |
| CN102591220A (en) * | 2012-01-12 | 2012-07-18 | 赖季谷 | Indoor intelligent water and electricity controller and control method thereof |
| CN102646328A (en) * | 2012-04-07 | 2012-08-22 | 赖季谷 | Household intelligent controller and control method thereof |
| CN104320887A (en) * | 2014-11-04 | 2015-01-28 | 华北电力大学（保定） | Method, device and system for controlling lighting lamps in individual study room |
| CN105742972A (en) * | 2014-12-08 | 2016-07-06 | 济源巨鑫电力设备有限公司 | Power distribution cabinet for preventing door from being misclosed |
| CN105405197A (en) * | 2015-12-18 | 2016-03-16 | 中山市民众镇民众中心小学 | People counting system with light control function for application to classroom |
| CN108536088A (en) * | 2018-05-29 | 2018-09-14 | 河南森源电气股份有限公司 | A kind of intelligent switch control method and intelligent switch |
| CN109495718A (en) * | 2018-11-02 | 2019-03-19 | 深圳市北斗智能科技有限公司 | Monitor video acquisition methods, device and computer readable storage medium |
| CN109495718B (en) * | 2018-11-02 | 2021-04-30 | 深圳市北斗智能科技有限公司 | Monitoring video obtaining method and device and computer readable storage medium |
| CN110929712A (en) * | 2019-11-21 | 2020-03-27 | 大庆思特传媒科技有限公司 | Interaction device based on optical induction recognition |
| CN113075947A (en) * | 2020-01-06 | 2021-07-06 | 郭秀春 | Switch control system |
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