CN111194126A - Interactive sunshade system and method based on personnel positioning - Google Patents
Interactive sunshade system and method based on personnel positioning Download PDFInfo
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Abstract
The invention discloses an interactive sun-shading system and method based on personnel positioning, relating to the technical field of intelligent dimming, wherein the system comprises a master controller, a personnel position positioner, a dimming glass device, an outdoor solar radiation sensor and the like; the personnel position positioner, the dimming glass device and the outdoor solar radiation sensor are all connected with the master controller; the outdoor solar radiation sensor is arranged on an outdoor wall surface on the same surface as the dimming glass device and is used for detecting an outdoor solar radiation value; the personnel position locators are uniformly distributed on the indoor wall and are used for detecting the positions of indoor personnel; a plurality of dimming glass device is arranged in order and is constituteed monoblock glass wall and install on outdoor wall, and every dimming glass device is used for changing the luminousness according to outdoor solar radiation value, solar altitude angle and indoor personnel position under the control of master controller. The invention can solve the problem of indoor glare caused by outdoor strong light and has no great influence on indoor heat obtaining.
Description
Technical Field
The invention relates to the technical field of intelligent dimming, in particular to an interactive sunshade system and method based on personnel positioning.
Background
The application of large-area glass curtain walls often causes the problem of indoor glare, and particularly for people working close to windows, when the sunlight is too strong, the brightness on a computer screen and the brightness on a working desktop are very high, so that the computer screen is very uncomfortable. The traditional method of shading the sun rays by pulling up the curtain or the automatic louver can reduce the solar radiant heat entering the room, which is very unfavorable for building energy saving in winter.
Therefore, techniques for how to dim should be developed. For example, chinese patent CN103458555A discloses a partitioned dimming system, which includes a single chip microcomputer, and further includes an infrared sensing module, a constant current driving circuit module, a motor, and a light source module connected to the single chip microcomputer; the signal output end of the infrared sensing module is connected with the signal input end of the single chip microcomputer, the output end of the single chip microcomputer is connected with the input ends of the motor and the constant current driving circuit module, and the output ends of the motor and the constant current driving circuit module are connected with the light source module. When people are detected in a certain area, the infrared sensing module inputs a human body position signal to the single chip microcomputer, the motor drives the light source module to rotate to point to a corresponding position under the control of the single chip microcomputer, and meanwhile, the brightness of the light source module is adjusted. Although the system has the advantages that the human body position is positioned and detected, the pointing direction and the brightness of the light source can be adjusted according to the human body position, the system is intelligently adjusted aiming at indoor light, and the system has little significance for overcoming the problem of indoor glare caused by outdoor strong light.
Disclosure of Invention
Therefore, the invention provides an interactive sunshade system and method based on personnel positioning, which can overcome the defect of indoor glare caused by outdoor strong light, and further can realize intelligent zone control of the dimming glass so as to avoid great influence on indoor heat obtaining.
Therefore, the interactive sunshade system based on personnel positioning in the embodiment of the invention comprises: the system comprises a master controller, an illumination sensor, a personnel position locator, a lamp, a dimming glass device and an outdoor solar radiation sensor; the illumination sensor, the personnel position locator, the lamp, the dimming glass device and the outdoor solar radiation sensor are all connected with the master controller;
the outdoor solar radiation sensor is arranged on an outdoor wall surface on the same surface as the dimming glass device and is used for detecting an outdoor solar radiation value;
the illumination sensors are uniformly distributed on the indoor roof and used for detecting indoor illumination values;
the personnel position locators are uniformly distributed on the indoor wall and are used for detecting the positions of indoor personnel;
the lamps are uniformly distributed on the indoor roof wall surface and used for lighting;
a plurality of dimming glass device is arranged in order and is constituteed monoblock glass wall and install on outdoor wall, and every dimming glass device is used for changing the luminousness according to outdoor solar radiation value, solar altitude angle and indoor personnel position under the control of master controller.
Preferably, the frame of the dimming glass device is square or rectangular in shape.
Preferably, the light control glass device includes: at least four groups of movable sunshade components and colorless transparent glass;
at least four groups of movable sunshade components are orderly arranged to form a shape consistent with the shape of the colorless transparent glass and are arranged on the surface of the colorless transparent glass close to the indoor side, and the movable sunshade components are used for being moved under the control of the master controller to adjust the degree of shading light.
Preferably, the movable sunshade assembly comprises: the device comprises a micro motor, an adjusting rod and a light screen;
one end of the adjusting rod is connected with the micro motor and is used for rotating under the driving of the micro motor;
one side of the shading plate is connected to the adjusting rod and is folded or unfolded along with the rotation of the adjusting rod.
Preferably, the light control glass device comprises an electrically deformable glass, and the electrically deformable glass is used for adjusting the current passing through the electrically deformable glass under the control of the master controller so as to change the shape of the electrically deformable glass and adjust the light transmittance.
The embodiment of the invention provides an interactive sunshade method based on personnel positioning, which comprises the following steps:
the outdoor solar radiation sensor detects an outdoor solar radiation value in real time and sends the outdoor solar radiation value to the master controller;
the master controller judges whether the outdoor weather condition is sunny according to the received outdoor solar radiation value;
when the outdoor weather condition is sunny, the master controller sends personnel positioning requests to the personnel position positioner at intervals of a first time period;
the personnel position locator detects the position of the indoor personnel after receiving the personnel positioning request, obtains the current number and position of the indoor personnel and sends the current number and position of the indoor personnel to the master controller;
the master controller judges whether people exist indoors for a long time according to the number and the positions of the people received indoors at every first interval time;
when people exist indoors for a long time, the master controller obtains the position of the dimming glass device with the light transmittance needing to be changed and the shading degree of the dimming glass device at the position according to the position of the people, the outdoor solar radiation value and the solar altitude;
the master controller controls the dimming glass device at the position to adjust the light transmittance according to the shading degree;
the master controller sends an illumination acquisition request to the illumination sensor every second time period;
the illumination sensor detects indoor illumination after receiving the illumination acquisition request, obtains a current indoor illumination value and sends the current indoor illumination value to the master controller;
the master controller judges whether the indoor illuminance value is greater than a preset illuminance value according to the indoor illuminance value received every second time interval;
when the indoor illumination value is smaller than or equal to the preset illumination value, the master controller controls the lamps near the personnel positions to be turned on or to adjust the brightness.
Preferably, when a person exists indoors for a long time, the step of obtaining the position of the light control glass device with the required light transmittance change by the master controller according to the position of the person, the outdoor solar radiation value and the solar altitude angle, and the shading degree of the light control glass device at the position comprises the following steps:
when people exist indoors for a long time, the master controller obtains the position of the light-adjusting glass device with the light transmittance needing to be changed according to the position of the people and the solar altitude;
and the master controller obtains the shading degree of the dimming glass device at the position according to the outdoor solar radiation value.
Preferably, the method further comprises the following steps:
when the outdoor weather condition is not sunny, the master controller controls the lamp to be turned on or adjusts the brightness.
The technical scheme of the embodiment of the invention has the following advantages:
1. according to the interactive sun-shading system based on personnel positioning, provided by the embodiment of the invention, by means of the combined installation of the plurality of dimming glass devices and the combination of the solar altitude angle and the personnel position positioning, the subarea and time-sharing control of sun shading is realized, the environmental adaptability is strong, the problem of indoor glare caused by outdoor strong light is effectively solved, the partial sun shading does not have great influence on indoor heat obtaining, and the indoor lighting and heat collection are ensured.
2. According to the interactive sun-shading method based on personnel positioning, provided by the embodiment of the invention, by combining outdoor weather conditions, personnel positions and solar altitude angles, the accurate control on the partitioned light-dimming glass device is realized, the sun-shading regulation and control precision is improved, the glare problem is solved, the sun-shading area is reduced, and the influence on indoor heat is reduced to the minimum.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a specific example of an interactive sunshade system based on person positioning according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram illustrating the glare problem in embodiment 1 of the present invention;
FIG. 3 is a schematic view of sun shading after the elevation angle of the sun is changed in embodiment 1 of the present invention;
fig. 4 is a schematic view showing a specific example of a light control glass device according to embodiment 1 of the present invention;
FIG. 5 is a schematic view showing a specific example of a movable sunshade assembly in embodiment 1 of the present invention;
FIG. 6 is a schematic view of an electrically deformable glass in example 1 of the present invention;
fig. 7 is a flowchart of a specific example of the interactive sunshade method based on person positioning in embodiment 2 of the present invention.
Reference numerals: 1-a master controller, 2-an illumination sensor, 3-a personnel position locator, 4-a lamp, 5-a dimming glass device, 51-a movable sunshade component, 511-a micro motor, 512-an adjusting rod, 513-a shading plate, 52-colorless transparent glass, 6-an outdoor solar radiation sensor, 7-sunlight and 10-electrodes.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In describing the present invention, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises" and/or "comprising," when used in this specification, are intended to specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, it is to be understood that the term controller/control unit refers to a hardware device that includes a memory and a processor. The memory is configured as a memory module and the processor is specifically configured to execute the processes stored in the memory module to thereby execute one or more processes.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides an interactive sun-shading system based on personnel positioning, which is particularly suitable for various office buildings with large-area glass curtain walls. As shown in fig. 1, the sunshade system includes: the intelligent control system comprises a master controller 1, an illumination sensor 2, a personnel position locator 3, a lamp 4, a dimming glass device 5, an outdoor solar radiation sensor 6 and the like, wherein the illumination sensor 2, the personnel position locator 3, the lamp 4, the dimming glass device 5 and the outdoor solar radiation sensor 6 are all connected with the master controller 1.
The outdoor solar radiation sensor 6 is arranged on the same outdoor wall surface with the dimming glass device 5 and is used for detecting an outdoor solar radiation value; the illuminance sensors 2 are uniformly distributed on the indoor roof and used for detecting indoor illuminance values; the personnel position locators 3 are uniformly distributed on the indoor wall and are used for detecting the positions of indoor personnel; the lamps 4 are uniformly distributed on the indoor roof wall surface and used for lighting; the illuminance sensor 2 and the lamp 4 can be uniformly distributed near the positions needing bright light, such as tables and chairs, so as to be beneficial to illumination; a plurality of dimming glass device 5 arranges in order and constitutes monoblock glass wall and installs on outdoor wall, monoblock glass wall is by a plurality of dimming glass device 5 average share a plurality of, every dimming glass device 5 is used for according to outdoor solar radiation value under the control of total controller 1, the solar altitude angle and indoor personnel position change luminousness, the luminousness of dimming glass device 5 of a certain or several relevant position departments is lowered, effectively shelter from solar ray, avoid the glare problem. And the light transmittance is adjusted in a subarea manner, only one or more light adjusting glass devices 5 at corresponding positions are needed to be adjusted, so that the indoor heat obtaining cannot be greatly influenced, especially, the energy consumption of an air conditioner can be effectively reduced in winter, and the energy saving of a building is facilitated.
Above-mentioned interactive solar shading system based on personnel's location through the aggregate erection of a plurality of dimming glass device to combine solar altitude angle and personnel's position location, realized subregion, the timesharing control of sunshade, environmental suitability is strong, has effectively solved because the indoor glare problem that outdoor highlight brought, and partial sunshade can not produce very big influence to indoor getting hot moreover, ensures indoor daylighting and heat collection.
As shown in fig. 2, in a general state, glare phenomenon caused by sunlight entering a room may interfere with office work of a worker. As shown in fig. 1, after the system is regulated, the two light control glass devices 5 in the first column, the fourth column and the second row reduce the light transmittance, and perform sun shading and glare prevention.
As shown in fig. 3, the solar altitude is changed from that shown in fig. 1, and the position of the light control glass device 5 with the sun-shading effect is also changed, and after the system is regulated, the light transmittance of the two light control glass devices 5 in the second column, the third row and the fifth column, the first row is reduced, and the sun-shading effect is achieved, so that glare is avoided. Therefore, the system has strong environmental adaptability and can be applied all the time in all seasons.
Preferably, the frame of the dimming glass device 5 is square or rectangular, so as to improve the coverage rate of the dimming glass device, improve the comprehensiveness of the sun-shading effect, and avoid the influence of gaps on the sun-shading effect.
Preferably, the light control glass device 5 comprises: at least four sets of movable sunshade components 51 and colorless transparent glass 52;
at least four groups of movable sunshade assemblies 51 are orderly arranged to form a shape consistent with the appearance of the colorless transparent glass 52 and are arranged on the surface of the colorless transparent glass 52 close to the indoor side, and the movable sunshade assemblies 51 are used for being moved under the control of the master controller 1 to adjust the degree of shading light. The movable sunshade elements 51 may be square or rectangular in shape, or triangular in shape, etc., as shown in fig. 4, the movable sunshade elements are triangular in shape, and the number of the movable sunshade elements is four. The movable sunshade component is connected with the colorless transparent glass, so that the structure is simple and the cost is low.
Preferably, the movable sunshade assembly 51 comprises: a micro motor 511, an adjusting rod 512 and a light shielding plate 513;
one end of the adjusting rod 512 is connected with the micro motor 511 and is driven by the micro motor 511 to rotate; one side of the light shielding plate 513 is connected to the adjustment lever 512, and is folded or unfolded with the rotation of the adjustment lever 512. As shown in fig. 5, the micro motors 511 are respectively installed at four vertex positions, and the light shielding plate 513 is a foldable structure, and the degree of shielding the sun is adjusted by unfolding the light shielding plate to different degrees, so as to obtain different light transmittances.
The working principle is as follows: the master controller 1 controls the micro motor 511 corresponding to the movable sunshade component of the light-adjusting glass device which does not need to be shaded to start rotating, drives the adjusting rod 512 to swing, and folds the shading plate 513 between the adjusting rod 512 and the window frame to enable the sunlight 7 to penetrate through; the micro motor 511 corresponding to the movable sunshade component of the dimming glass device which needs shading is controlled according to the shading degree does not work or only rotates for a certain angle, and the movable sunshade component of each dimming glass device is independently controlled or jointly regulated and controlled.
Preferably, the light control glass device 5 comprises an electrically deformable glass for adjusting the current passing through the electrically deformable glass under the control of the overall controller 1 to change the shape of the electrically deformable glass, adjusting the light transmittance. As shown in fig. 6, the electrically deformable glass is made of a material that can be deformed by electrical stimulation, and normally transmits solar rays in general; after the electrode 10 is electrified, the deformation is generated, the transmission path of the solar rays is changed or disturbed, and the solar rays are not gathered at a certain position any more, so that the aim of shading the sun is fulfilled.
Example 2
The embodiment provides an interactive sunshade method based on personnel positioning, which can be applied to the interactive sunshade system based on personnel positioning of embodiment 1, and as shown in fig. 7, the method includes the following steps:
s1, detecting an outdoor solar radiation value in real time by the outdoor solar radiation sensor 6 and sending the outdoor solar radiation value to the master controller 1;
s2, the master controller 1 judges whether the outdoor weather condition is sunny according to the received outdoor solar radiation value; when the outdoor weather condition is not sunny (cloudy or cloudy), the master controller 1 controls the lamps 4 to be turned on or adjusts the brightness, turns on all the dimming glass devices 5, and directly adjusts the indoor brightness by controlling the lamps 4;
s3, when the outdoor weather condition is sunny, the master controller 1 sends a personnel positioning request to the personnel position positioner 3 every first time period;
s4, after receiving the personnel positioning request, the personnel position locator 3 detects the position of the indoor personnel, obtains the current number and position of the indoor personnel and sends the current number and position to the master controller 1;
s5, the master controller 1 judges whether people exist indoors for a long time according to the number and the positions of the received indoor people at each interval of the first time period, and the judgment is carried out once at each interval of the first time period; when no people exist indoors for a long time, finishing the regulation and control; preferably, the length of the first time period can be set according to the purpose of the room, for example, the first time period of a room with low mobility, such as an office, can be set to be shorter, and the first time period of a room with high mobility can be set to be longer, so as to avoid the caused misoperation; preferably, the step that the master controller 1 judges whether people exist indoors for a long time according to the number of indoor people and the positions of the indoor people received every first interval time period comprises the following steps: the master controller 1 judges whether people exist indoors or not according to the number of indoor people received every first time period; when a person is in the room, judging whether the change of the position of the person in the first time period is within a preset change range according to the position of the person, and when the change of the position of the person in the first time period is within the preset change range, obtaining a judgment result that the person exists in the room for a long time; when the change of the position of the person in the first time period is out of a preset change range, obtaining a judgment result that no person exists indoors for a long time; the indoor personnel conditions are accurately identified according to the number of indoor personnel and the position change of the personnel, so that the precision is improved, and the humanization and intelligence degrees are higher;
s6, when a person exists indoors for a long time, the master controller 1 obtains the position of the light adjusting glass device 5 with the light transmittance needing to be changed and the shading degree of the light adjusting glass device 5 at the position according to the position of the person, the outdoor solar radiation value and the solar altitude; the personnel condition is judged once every interval of the first time period, the position of the dimming glass device 5 with the light transmittance needing to be changed and the shading degree of the dimming glass device 5 at the position are obtained again in real time, and the environmental adaptability is improved;
s7, the master controller 1 controls the light control glass device 5 at the position to adjust the light transmittance according to the shading degree;
s8, the master controller 1 sends an illumination acquisition request to the illumination sensor 2 every second time period;
s9, after receiving the illumination acquisition request, the illumination sensor 2 performs indoor illumination detection to obtain a current indoor illumination value and sends the current indoor illumination value to the master controller 1;
s10, the master controller 1 judges whether the indoor illuminance value is larger than a preset illuminance value according to the indoor illuminance value received at each interval of the second time period, and the judgment is carried out once at each interval of the second time period, so that the master controller adapts to different outdoor illuminations, and the environmental adaptability is improved; when the indoor illumination value is larger than the preset illumination value, maintaining the current situation;
and S11, when the indoor illuminance value is smaller than or equal to the preset illuminance value, the master controller 1 controls the lamps 4 near the personnel position to be turned on or to adjust the brightness, if the lamps 4 are originally in the closed state, the lamps 4 are controlled to be turned on and then the brightness of the lamps is adjusted, and if the lamps 4 are originally in the open state, the brightness of the lamps is directly adjusted.
According to the interactive sunshade method based on personnel positioning, the accurate control of the partitioned dimming glass device is realized by combining outdoor weather conditions, personnel positions and the solar altitude, the sunshade regulation and control precision is improved, the glare problem is solved, the sunshade area is reduced, and the influence on indoor heat is reduced to the minimum.
Preferably, the step of S6 includes:
s61, when a person exists in the room for a long time, the master controller 1 obtains the position of the dimming glass device 5 with the light transmittance needing to be changed according to the position of the person and the solar altitude, and the position is calculated and obtained by generally utilizing the geometric position relation;
s62, the general controller 1 obtains the shading degree of the light control glass device 5 at the position according to the outdoor solar radiation value, generally, the shading degree is higher when the outdoor solar radiation value is higher, and conversely, the shading degree is lower when the outdoor solar radiation value is lower. The master controller 1 controls the required dimming glass device 5 to adjust the light transmittance according to the shading degree, and the corresponding movable shading component 51 controls the micro motor 511 to drive the adjusting rod 512 to rotate to different positions, so that the shading plate 513 is folded or unfolded to form different areas, and different light transmittances are obtained. The corresponding electric deformation glass is to control the electrode 10 to switch on current, change the shape of the electric deformation glass, and obtain different light transmittance.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. An interactive sunshade system based on personnel positioning, comprising: the system comprises a master controller (1), an illuminance sensor (2), a personnel position locator (3), a lamp (4), a dimming glass device (5) and an outdoor solar radiation sensor (6); the illuminance sensor (2), the personnel position locator (3), the lamp (4), the dimming glass device (5) and the outdoor solar radiation sensor (6) are all connected with the master controller (1);
the outdoor solar radiation sensor (6) is arranged on the outdoor wall surface on the same surface as the dimming glass device (5) and is used for detecting an outdoor solar radiation value;
the illuminance sensors (2) are uniformly distributed on the indoor roof and used for detecting indoor illuminance values;
the personnel position locators (3) are uniformly distributed on the indoor wall and are used for detecting the positions of indoor personnel;
the lamps (4) are uniformly distributed on the indoor roof wall surface and are used for lighting;
a plurality of dimming glass devices (5) are arranged in order to form a whole glass wall and are installed on the outdoor wall, and each dimming glass device (5) is used for changing the light transmittance according to an outdoor solar radiation value, a solar altitude angle and an indoor personnel position under the control of the master controller (1).
2. The system according to claim 1, wherein the bezel of the privacy glass unit (5) is square or rectangular in shape.
3. The system according to claim 1 or 2, characterized in that the light control glass device (5) comprises: at least four groups of movable sunshade components (51) and colorless transparent glass (52);
at least four groups of movable sunshade components (51) are orderly arranged to form a shape consistent with the appearance of the colorless transparent glass (52) and are arranged on the surface of the colorless transparent glass (52) close to the indoor side, and the movable sunshade components (51) are used for being moved under the control of the master controller (1) to adjust the degree of shading light.
4. System according to claim 3, characterized in that said movable sunshade assembly (51) comprises: a micro motor (511), an adjusting rod (512) and a light screen (513);
one end of the adjusting rod (512) is connected with the micro motor (511) and is used for rotating under the driving of the micro motor (511);
one side of the shading plate (513) is connected to the adjusting rod (512) and is folded or unfolded along with the rotation of the adjusting rod (512).
5. The system according to claim 1 or 2, characterized in that the light control glass device (5) comprises an electrically deformable glass for adjusting the current passing through the electrically deformable glass under the control of the overall controller (1) to change the shape of the electrically deformable glass, adjusting the light transmittance.
6. An interactive sunshade method based on personnel positioning is characterized by comprising the following steps:
the outdoor solar radiation sensor (6) detects an outdoor solar radiation value in real time and sends the outdoor solar radiation value to the master controller (1);
the master controller (1) judges whether the outdoor weather condition is sunny according to the received outdoor solar radiation value;
when the outdoor weather condition is sunny, the master controller (1) sends a personnel positioning request to the personnel position positioner (3) at intervals of a first time period;
the personnel position locator (3) detects the position of the indoor personnel after receiving the personnel positioning request, obtains the current number and position of the indoor personnel and sends the current number and position to the master controller (1);
the master controller (1) judges whether people exist indoors for a long time according to the number and the positions of the indoor people received every first time interval;
when people exist indoors for a long time, the master controller (1) obtains the position of the dimming glass device (5) with the light transmittance needing to be changed and the shading degree of the dimming glass device (5) at the position according to the position of the people, the outdoor solar radiation value and the solar altitude;
the master controller (1) controls the dimming glass device (5) at the position to adjust the light transmittance according to the shading degree;
the master controller (1) sends an illumination acquisition request to the illumination sensor (2) every second time period;
the illumination sensor (2) performs indoor illumination detection after receiving the illumination acquisition request, obtains a current indoor illumination value and sends the current indoor illumination value to the master controller (1);
the master controller (1) judges whether the indoor illuminance value is greater than a preset illuminance value according to the indoor illuminance value received every second time interval;
when the indoor illumination value is smaller than or equal to the preset illumination value, the master controller (1) controls the lamps (4) near the personnel position to be turned on or to adjust the brightness.
7. The method according to claim 6, wherein the step of the general controller (1) obtaining the position of the dimming glass device (5) with the required change of transmittance according to the position of the person, the outdoor solar radiation value and the solar altitude angle when the person is present in the room for a long time, and the shading degree of the dimming glass device (5) at the position comprises:
when people exist indoors for a long time, the master controller (1) obtains the position of the dimming glass device (5) with the light transmittance needing to be changed according to the position of the people and the solar altitude;
and the master controller (1) obtains the shading degree of the dimming glass device (5) at the position according to the outdoor solar radiation value.
8. The method of claim 6, further comprising the steps of:
when the outdoor weather condition is not sunny, the master controller (1) controls the lamp (4) to be turned on or the brightness is adjusted.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20200522 |