CN112020191A - Intelligent building light control device and control method based on HPLC - Google Patents
Intelligent building light control device and control method based on HPLC Download PDFInfo
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- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/155—Coordinated control of two or more light sources
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- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
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- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/185—Controlling the light source by remote control via power line carrier transmission
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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
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- 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 invention discloses an intelligent building light control device and a control method based on HPLC (high performance liquid chromatography), which comprises a master control unit CPU (central processing unit) module, wherein the master control unit CPU module is connected with a master control unit HPLC module; the edge calculation control unit is connected with a plurality of light units, the edge calculation control module is connected with an edge HPLC module, and the edge HPLC module is in signal connection with a master control unit HPLC module through a power line; the CPU module of the master control unit can communicate with the edge computing control unit through a power line. By adopting the HPLC equipment as a communication device, the existing power supply cable is directly used as a communication channel, and no additional communication channel is required to be laid, so that the cost is saved while the centralized control of the light is realized, and the stable and reliable transmission of data can be realized; through centralized control light, the illumination information of environment only needs a collection system to gather, and then transmits to lighting terminal through HPLC, further practices thrift equipment cost.
Description
Technical Field
The invention relates to the field of lighting, in particular to an intelligent building light control device and method based on HPLC.
Background
HPLC is a high-speed power line carrier, also known as a broadband power line carrier, and is a broadband power line carrier technology for data transmission over low-voltage power lines. The broadband power line carrier communication network is a communication network which takes a power line as a communication medium and realizes the aggregation, transmission and interaction of the power utilization information of low-voltage power users. The broadband power line carrier mainly adopts an Orthogonal Frequency Division Multiplexing (OFDM) technology, and the frequency band uses 2MHz-12 MHz. Compared with the traditional low-speed narrow-band power line carrier technology, the HPLC technology has large bandwidth and high transmission rate, can meet the higher requirement of low-voltage power line carrier communication, and is widely applied to the fields of smart power grids, energy management and the like.
Traditional wired communication needs independent communication channels, communication lines on the market are poor in quality at present, and due to the fact that the communication lines are pre-buried in a wall body during line construction, once the communication lines are broken down, the whole control system is paralyzed, and maintenance cost is huge. The wireless communication mode does not need wiring, but the wireless communication mode has more signal dead angles, particularly has large shielding property of buildings, and is difficult to penetrate through wireless communication, so the reliability is poor.
In the modification of building illumination automation illumination, the cost is high by laying a communication cable, outdoor light intensity information cannot be sent to each layer of users, and each user needs to collect ambient illumination, so that the problem of high equipment cost is brought.
Disclosure of Invention
The invention aims to: aiming at the existing problems, the intelligent building light control device and the control method based on the HPLC are provided, the existing power supply circuit in the building is used as a communication network, a communication channel is not needed to be additionally laid, the centralized control of light is realized, the cost is saved, and the stable and reliable transmission of data can be realized; and the illumination information of the environment is acquired by only one acquisition device and is transmitted to the illumination terminal through HPLC, so that the equipment cost is further saved.
The technical scheme adopted by the invention is as follows:
an intelligent building light control device based on HPLC comprises a master control unit CPU module, wherein the master control unit CPU module is connected with a master control unit HPLC module; the edge calculation control unit is connected with a plurality of light units, the edge calculation control module is connected with an edge HPLC module, and the edge HPLC module is in signal connection with a master control unit HPLC module through a power line; the CPU module of the master control unit can communicate with the edge computing control unit through a power line.
Furthermore, the invention discloses an optimal structure of the intelligent building light control device based on HPLC, wherein the CPU module of the master control unit is connected with an outdoor light induction module through a communication device; the communication device is an RS485 bus. When the outdoor light sensing module is used for detection, interval measurement is adopted, interval time can be set through the CPU module, and the purpose of interval acquisition is to enable the module to operate under low power consumption.
Furthermore, the edge calculation control module is in signal connection with an indoor light sensing module and a human body movement sensing module, the indoor light sensing module is used for indoor light detection, and the human body movement sensing module is used for sensing human body movement; the indoor light sensing module and the human body movement sensing module are in signal connection through an ICC bus. The human body movement sensing module sends the sensed data information to the edge control module through the IIC bus, and the human body movement sensing module is integrated in the edge control module, so that the external signal interference can be reduced, and the reliability is effectively improved; the indoor light sensing module transmits the light value to the edge control module through the IIC bus, the edge control module filters collected data to eliminate noise and abnormal data, and data compensation and enhancement are conducted on the collected data through a Lagrange interpolation method.
Furthermore, the total control unit HPLC module and/or the side end HPLC module are/is connected with a signal enhancement module, and the signal enhancement module is used for improving signal intensity and filtering noise; and the power line is provided with a plurality of HPLC relay modules. The total control unit HPLC module couples the data information to the power supply line for transmission by adopting an orthogonal frequency division technology, and the transmission method is carried out by adopting a mode of repeating frame data for three times. And the side end HPLC module is used for coupling and receiving signals, filtering noise and transmitting data information to the edge control module.
The system further comprises a power supply module, wherein the power supply module is electrically connected with the master control unit CPU module, the master control unit HPLC module and the outdoor light induction module through a power supply cable; and the CPU module of the master control unit is connected with a console.
A control method of an intelligent building light control device based on HPLC comprises the following steps:
s1, a master control unit CPU module carries out interval acquisition and pretreatment on outdoor light numerical values through an outdoor light sensing module;
s2, the CPU module of the master control unit judges whether an artificial control signal exists or not, and if the artificial control signal exists, the artificial control information is superposed and the HPLC module of the master control unit is triggered to send data; if no manual control signal exists, directly triggering a master control unit HPLC module to send data; the master control unit CPU module sends control command information with address information and outdoor light intensity information data to the master control unit HPLC module, and CRC is carried out before sending out, so as to ensure the reliability and accuracy of the data, and the specific checking mode can be odd checking or even checking;
s3, the side end HPLC module receives the data and carries out address resolution, and if the address is matched with the side end HPLC module, the next step is carried out; if the address is not matched with the side HPLC module, returning to an initial state to prepare for receiving next data;
s4, in the step S3, after the addresses of the side HPLC modules are matched, carrying out data consistency detection for a plurality of times, entering the next step if the addresses are matched, and returning to the initial state if the addresses are not matched, so as to prepare for receiving the next data; the edge control module analyzes and compares the address to confirm the signal source and the destination, and if the signal source is normal, the destination is confirmed; further, if the destination is the local edge control module, the consistency operation of the three frames of data is checked, and if the destination is not the local edge control module, the frame of data is discarded; if the broadcast address is received, all the frame data are received, and the next operation is carried out according to the requirement;
s5, in the step S4, after signal consistency detection, the edge calculation control unit detects the indoor light intensity through the indoor light sensing module and preprocesses the light signal;
s6, the edge calculation control unit detects whether a person exists through the human body movement sensing module, if yes, the light unit is controlled to be turned on, and if not, the light unit is controlled to be turned off after waiting for a period of time.
Further, in step S1, the preprocessing method for the outdoor light value includes filtering the collected data, removing noise and abnormal data, and performing data compensation and enhancement on the collected data by a lagrange interpolation method.
Further, in step S5, the indoor light numerical value is preprocessed by filtering the collected data, removing noise and abnormal data, and performing data compensation and enhancement on the collected data by a lagrange interpolation method.
Further, in step S5, the edge calculation control unit generates a control strategy according to the received outdoor light intensity signal, indoor light intensity signal, and manual control signal after determining that there is a person, so as to realize the turning on/off and light ray adjustment of the lighting unit.
Furthermore, the control strategy is to preset data weights of the outdoor light intensity signal and the indoor light intensity signal, the data weights are superposed to control the illuminance output of the light unit, and the weights can be automatically adjusted according to the system time.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. by arranging the HPLC equipment, the existing power supply cable is directly used as a communication channel, and a communication channel is not required to be additionally laid, so that the cost is saved while the centralized control of the lamplight is realized, and the stable and reliable transmission of data can be realized;
2. through centralized control light, the illumination information of environment only needs a collection system to gather, and then transmits to lighting terminal through HPLC, further practices thrift equipment cost.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention;
fig. 2 is a flow chart of the control method of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in the attached figure 1, the invention discloses a preferred embodiment of an intelligent building light control device based on HPLC, which comprises a master control unit CPU module, wherein the master control unit CPU module is connected with a master control unit HPLC module; the edge calculation control unit is connected with a plurality of light units, the edge calculation control module is connected with an edge HPLC module, and the edge HPLC module is in signal connection with a master control unit HPLC module through a power line; the CPU module of the master control unit can communicate with the edge computing control unit through a power line. And the CPU module of the master control unit is connected with a console.
The master control unit CPU module is connected with an outdoor light sensing module through an RS485 bus. The edge calculation control module is in signal connection with an indoor light sensing module and a human body movement sensing module, the indoor light sensing module is used for indoor light detection, and the human body movement sensing module is used for sensing human body movement; the indoor light sensing module and the human body movement sensing module are in signal connection through an ICC bus.
The master control unit HPLC module and the side end HPLC module are connected with a signal enhancement module, and the master control unit HPLC module and the side end HPLC module are in signal coupling with the power line through the signal enhancement module; the signal enhancement module is used for improving signal intensity and filtering noise; the power line is provided with a plurality of HPLC relay modules, and the HPLC relay modules are dynamically adjusted according to the communication distance and the signal interference degree.
The signal enhancement module has two functions, wherein the first function is to carry out coupling signal enhancement on a sending data signal so as to ensure that the data transmission distance is farther; the second is filtering and anti-interference. The distribution modes of the noises of the power line channel are different in different scenes and different time, but most scene noises are concentrated below 1MHz, even below 500KHz, a few noises can reach frequency points of 2.5MHz, and the noises are processed in a targeted manner by adopting different suppression modes according to the noise distribution characteristics.
The system comprises a power supply module, a general control unit CPU module, a general control unit HPLC module and an outdoor light induction module, wherein the power supply module is electrically connected with the general control unit CPU module, the general control unit HPLC module and the outdoor light induction module through power supply cables; the power supply module converts 220V alternating current into various direct currents, such as 5V, 12V, 24V and the like, through the internal circuit, and provides a proper power supply for the outdoor light sensing module, the master control unit CPU module and the master control unit HPLC module.
Including the master control room, outdoor light response module installs in the master control room's is outdoor, and it communicates through RS485 communication bus and the total accuse unit CPU module in the master control room, if the communication is unstable, can connect the matching resistor at RS485 communication bus both ends, can effectively promote communication stability, and the accessible site conditions of matching resistor resistance size is measured, is calculated. The outdoor light sensing module is mainly used for collecting outdoor illuminance and providing lamplight brightness control reference and calculation basis for each edge calculation control module.
After the CPU module side of the master control unit is connected with the outdoor light sensing module, outdoor illuminance does not need to be collected by each edge calculation control module side, and the total cost can be saved. Outdoor light response module carries out periodic collection to outdoor light numerical value, and interval sampling period accessible master control unit CPU module sets up, and the purpose of interval collection makes the module move under the low-power consumption, reduces the whole consumption of system.
And the control unit CPU module is communicated with the outdoor light sensing module in real time through an RS485 bus to read the current outdoor illuminance value. After the outdoor illumination data is collected, firstly, band-pass filtering is carried out on the collected data to eliminate noise and abnormal data. Generally, the illuminance value is a continuously changing data, for example, a sudden change data is collected between two data, which is generally considered as abnormal data. And performing data compensation and enhancement on the acquired data by a Lagrange interpolation method. Meanwhile, the CPU module of the master control unit receives manual control information in real time, processes the control signal in real time, and responds to manual operation, such as manually controlling to light on or off all lights in the building. The CPU module of the master control unit preferentially executes the manual control signal.
The data information that the total control unit CPU module needs to send is coupled to the power line by the total control unit HPLC module, and the specific flow is as follows:
the HPLC module is composed of a modulator, an oscillator, a power amplifier, a T/R steering switch, a coupling circuit, a demodulator and the like, wherein the oscillator provides a carrier signal for the modulator. When data is transmitted, a signal to be transmitted is output from a transmitting end, modulated by a modulator, then sent to a power amplifier stage for amplification, and loaded onto a power line through a T/R steering switch and a coupling circuit. When receiving data, the modulated signal sent by the transmitting module enters the demodulator through the coupling circuit and the T/R steering switch, is demodulated by the demodulator, then extracts the original signal, and sends the original signal to the CPU module of the master control unit from the receiving end.
The building power supply power line is used as a communication channel of the HPLC module to carry out real-time and bidirectional transmission on related data, such as control information, state information and the like. The side end HPLC module and the master control unit HPLC module have basically the same function, when data is transmitted, a signal to be transmitted is output from a transmitting end, modulated by a modulator, then the modulated signal is sent to a power amplifier stage to be amplified, and the modulated signal is loaded onto a power line through a T/R steering switch and a coupling circuit. When receiving data, the modulated signal sent by the transmitting module enters the demodulator through the coupling circuit and the T/R steering switch, the original signal is extracted after the demodulation of the demodulator, and the original signal is sent to the edge calculation control module from the receiving end.
The human body movement sensing module sends sensed data information to the edge calculation control module through the IIC bus, the human body movement sensing module enables the sensed data to contain infrared light and human body movement information, and the human body movement sensing module is integrated in the edge calculation control module, so that external signal interference can be reduced, and system reliability is effectively improved. The human body movement sensing module can respond to heat and the movement of an object and can identify whether the human body is a human body. The indoor light sensing module senses indoor illuminance, then illuminance data is transmitted to the edge calculation control module through the IIC bus, and the human body movement sensing module is also integrated in the edge calculation control module.
The edge calculation control module receives the data sent by the master control unit CPU module through the master control unit HPLC module, and simultaneously sends the local data to the master control unit CPU module. The specific implementation process is as follows: firstly, analyzing and comparing addresses of received data, confirming a signal source and a destination, if the signal source is a master control unit CPU module, confirming the address of the destination, if the destination is a local edge control module, confirming data consistency, if three continuous frames of data are consistent, confirming that the data are valid, and analyzing, processing and storing the data by an edge calculation control module; if the destination is not the local edge control module, the data is discarded. And if the broadcast address is received, all the data are received, and the next operation is carried out according to the requirement.
The edge calculation control module receives data of the indoor light sensing module and the human body movement sensing module, synchronously processes the data, performs band-pass filtering processing on the data acquired by the light sensing module to remove noise and abnormal data, and performs integrity compensation on the acquired data by a Lagrange interpolation method; and (4) data consistency confirmation is carried out on the data collected by the human body movement sensing module, preferably, three times of data consistency confirmation are adopted, and people enter the room through confirmation.
The edge calculation control module is used for superposing, comparing, optimizing and calculating various different data information to generate a control strategy, so that the starting and light ray adjustment of the light unit are realized. The indoor and outdoor illuminance superposition algorithm is adopted, the initial outdoor illuminance data weight is 0.5, the indoor illuminance data weight is also 0.5, the illuminance output of the lighting unit is controlled after the data superposition so as to keep the indoor illuminance in a reasonable state, and the indoor and outdoor illuminance weight can be automatically adjusted according to the system time. The lighting unit responds to the control data of the edge calculation control module in real time and adjusts the indoor illuminance.
Example 2:
as shown in fig. 2, the invention discloses a control method of an intelligent building light control device based on HPLC, comprising the following steps:
s1, a master control unit CPU module carries out interval acquisition and pretreatment on outdoor light numerical values through an outdoor light sensing module; the preprocessing mode of the outdoor light numerical value is that the collected data is filtered, noise and abnormal data are removed, and data compensation and enhancement are carried out on the collected data through a Lagrange interpolation method;
s2, the CPU module of the master control unit judges whether an artificial control signal exists or not, and if the artificial control signal exists, the artificial control information is superposed and the HPLC module of the master control unit is triggered to send data; if no manual control signal exists, directly triggering a master control unit HPLC module to send data; the master control unit CPU module sends control command information with address information and outdoor light intensity information data to the master control unit HPLC module, and CRC is carried out before sending out, so as to ensure the reliability and accuracy of the data, and the specific checking mode can be odd checking or even checking;
s3, the side end HPLC module receives the data and carries out address resolution, and if the address is matched with the side end HPLC module, the next step is carried out; if the address is not matched with the side HPLC module, returning to an initial state to prepare for receiving next data;
s4, in the step S3, after the addresses of the side HPLC modules are matched, carrying out data consistency detection for a plurality of times, entering the next step if the addresses are matched, and returning to the initial state if the addresses are not matched, so as to prepare for receiving the next data;
s5, in the step S4, after signal consistency detection, the edge calculation control unit detects the indoor light intensity through the indoor light sensing module and preprocesses the light signal; the preprocessing mode of the indoor light numerical value is to filter the collected data, remove noise and abnormal data, and perform data compensation and enhancement on the collected data through a Lagrange interpolation method.
S6, the edge calculation control unit detects whether a person exists through the human body movement sensing module, if yes, the light unit is controlled to be turned on, and if not, the light unit is controlled to be turned off after waiting for a period of time. And the edge calculation control unit generates a control strategy according to the received outdoor light intensity signal, the received indoor light intensity signal and the received manual control signal after determining that a person exists, so that the light unit is turned on and off and the light is adjusted. The control strategy is to preset the data weight of the outdoor light intensity signal and the indoor light intensity signal, the data weight is superposed to control the illumination output of the light unit, and the weight can be automatically adjusted according to the system time.
By adopting the HPLC equipment as a communication device, the existing power supply cable is directly used as a communication channel, and no additional communication channel is required to be laid, so that the cost is saved while the centralized control of the light is realized, and the stable and reliable transmission of data can be realized; through centralized control light, the illumination information of environment only needs a collection system to gather, and then transmits to lighting terminal through HPLC, further practices thrift equipment cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an intelligent building light controlling means based on HPLC which characterized in that: the system comprises a master control unit CPU module, wherein the master control unit CPU module is connected with a master control unit HPLC module; the edge calculation control unit is connected with a plurality of light units, the edge calculation control module is connected with an edge HPLC module, and the edge HPLC module is in signal connection with a master control unit HPLC module through a power line; the CPU module of the master control unit can communicate with the edge computing control unit through a power line.
2. The intelligent building light control device based on HPLC as claimed in claim 1, wherein: the master control unit CPU module is connected with an outdoor light sensing module through a communication device.
3. The intelligent building light control device based on HPLC as claimed in claim 2, wherein: the edge calculation control module is in signal connection with an indoor light sensing module and a human body movement sensing module, the indoor light sensing module is used for indoor light detection, and the human body movement sensing module is used for sensing human body movement.
4. An intelligent building light control device based on HPLC as claimed in any one of claims 1-3 wherein: the general control unit HPLC module and/or the side end HPLC module are/is connected with a signal enhancement module, and the signal enhancement module is used for improving signal intensity and filtering noise; and the power line is provided with a plurality of HPLC relay modules.
5. The intelligent building light control device based on HPLC as claimed in claim 4, wherein: the system comprises a power supply module, a general control unit CPU module, a general control unit HPLC module and an outdoor light induction module, wherein the power supply module is electrically connected with the general control unit CPU module, the general control unit HPLC module and the outdoor light induction module through power supply cables; and the CPU module of the master control unit is connected with a console.
6. The control method of the intelligent building light control device according to claim 5, comprising the following steps:
s1, a master control unit CPU module carries out interval acquisition and pretreatment on outdoor light numerical values through an outdoor light sensing module;
s2, the CPU module of the master control unit judges whether an artificial control signal exists or not, and if the artificial control signal exists, the artificial control information is superposed and the HPLC module of the master control unit is triggered to send data; if no manual control signal exists, directly triggering a master control unit HPLC module to send data;
s3, the side end HPLC module receives the data and carries out address resolution, and if the address is matched with the side end HPLC module, the next step is carried out; if the address is not matched with the side HPLC module, returning to an initial state to prepare for receiving next data;
s4, in the step S3, after the addresses of the side HPLC modules are matched, carrying out data consistency detection for a plurality of times, entering the next step if the addresses are matched, and returning to the initial state if the addresses are not matched, so as to prepare for receiving the next data;
s5, in the step S4, after signal consistency detection, the edge calculation control unit detects the indoor light intensity through the indoor light sensing module and preprocesses the light signal;
s6, the edge calculation control unit detects whether a person exists through the human body movement sensing module, if yes, the light unit is controlled to be turned on, and if not, the light unit is controlled to be turned off after waiting for a period of time.
7. The control method of the intelligent building light control device based on HPLC as claimed in claim 6, wherein: in step S1, the preprocessing method for the outdoor light value is to filter the collected data, remove noise and abnormal data, and perform data compensation and enhancement on the collected data by the lagrange interpolation method.
8. The control method of the intelligent building light control device based on HPLC as claimed in claim 6, wherein: in step S5, the indoor light value is preprocessed by filtering the collected data, removing noise and abnormal data, and performing data compensation and enhancement on the collected data by a lagrange interpolation method.
9. The control method of the intelligent building light control device based on HPLC as claimed in claim 6, wherein: in step S5, the edge calculation control unit generates a control strategy according to the received outdoor light intensity signal, indoor light intensity signal, and manual control signal after determining that there is a person, so as to realize the turning on/off and light ray adjustment of the lighting unit.
10. The control method of the intelligent building light control device based on HPLC as claimed in claim 9, wherein: the control strategy is to preset the data weight of the outdoor light intensity signal and the indoor light intensity signal, the data weight is superposed to control the illumination output of the light unit, and the weight can be automatically adjusted according to the system time.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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