CN111156634A - Interactive photo-thermal environment control system and method - Google Patents
Interactive photo-thermal environment control system and method Download PDFInfo
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- CN111156634A CN111156634A CN202010110757.1A CN202010110757A CN111156634A CN 111156634 A CN111156634 A CN 111156634A CN 202010110757 A CN202010110757 A CN 202010110757A CN 111156634 A CN111156634 A CN 111156634A
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- 230000006399 behavior Effects 0.000 claims abstract description 44
- 230000005855 radiation Effects 0.000 claims abstract description 42
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000004378 air conditioning Methods 0.000 claims abstract description 6
- 238000005286 illumination Methods 0.000 claims description 34
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/12—Position of occupants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/14—Activity of occupants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
- F24F2130/20—Sunlight
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses an interactive photo-thermal environment control system and method based on personnel positioning and behavior recognition, and relates to the technical field of intelligent dimming and advanced adjustment of heating, ventilating and air conditioning systems, wherein the system comprises a master controller, an infrared camera, a dimming glass device, an outdoor solar radiation sensor, an indoor temperature adjusting device and the like; the infrared camera is used for detecting the position, the behavior and the body surface temperature of indoor personnel; the indoor temperature adjusting device is used for pre-estimating the heat dissipation capacity of personnel according to the personnel behaviors and the body surface temperature under the control of the master controller and then adjusting the indoor temperature in advance; 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, does not have great influence on indoor heat obtaining, and can adjust the indoor temperature in advance.
Description
Technical Field
The invention relates to the technical field of intelligent dimming and advanced adjustment of heating, ventilation and air conditioning systems, in particular to an interactive photo-thermal environment control system and method based on personnel positioning and behavior recognition.
Background
The application of large-area glass curtain walls often brings about the problem of indoor glare, and particularly for people working close to a window, when the sunlight is too strong, the brightness of the people is enhanced no matter the people directly irradiate the face of the people or irradiate the objects around the people, and the comfort of the people is greatly and negatively influenced. 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.
Meanwhile, most of the previous regulation and control of the indoor hot and humid environment are hysteresis control, and the indoor air parameters are usually regulated after the indoor personnel radiate heat and the like to influence the indoor air temperature and humidity, and the like.
Disclosure of Invention
Therefore, the invention provides an interactive photo-thermal environment control system and method based on personnel positioning and behavior recognition, which can overcome the defect of indoor glare caused by outdoor strong light, further realize intelligent partition control of dimming glass so that indoor heat obtaining cannot be greatly influenced, further recognize the behavior of personnel to perform advanced regulation and control on the tail end of an air conditioner, and improve the environmental comfort level of the indoor personnel.
Therefore, the interactive photo-thermal environment control system based on personnel positioning and behavior recognition in the embodiment of the invention comprises: the system comprises a master controller, an illuminance sensor, an infrared camera, a lamp, a dimming glass device, an outdoor solar radiation sensor and an indoor temperature regulating device; the illumination sensor, the infrared camera, the lamp, the dimming glass device, the outdoor solar radiation sensor and the indoor temperature adjusting device 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 infrared cameras are uniformly distributed on the indoor wall and used for detecting the positions, behaviors and body surface temperatures of indoor personnel;
the lamps are uniformly distributed on the indoor roof wall surface and used for lighting;
the indoor temperature adjusting device is arranged indoors and used for pre-estimating the heat dissipation capacity of personnel according to the personnel behaviors and the body surface temperature under the control of the master controller and then adjusting the indoor temperature in advance;
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.
Preferably, the indoor temperature adjusting device is an air conditioning terminal or a capillary network radiation cooling/heating terminal.
The embodiment of the invention provides an interactive photo-thermal environment control method based on personnel positioning and behavior recognition, 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 infrared camera at intervals of a first time period;
after receiving the personnel positioning request, the infrared camera detects the position of the indoor personnel, obtains the current number of the indoor personnel, the position of the personnel, the behavior of the personnel and the body surface temperature and sends the current number, the position, the behavior and the body surface temperature of the personnel to a 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, and simultaneously estimates the heat dissipation capacity of personnel according to the personnel behaviors and the body surface temperature received at each interval of the first time period, and controls the indoor temperature adjusting device to adjust the indoor temperature in advance;
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 master controller sends a personnel positioning request to the infrared camera at intervals of a third time period;
after receiving the personnel positioning request, the infrared camera detects the state of the indoor personnel, obtains the current indoor personnel behavior and the current body surface temperature and sends the current indoor personnel behavior and the current body surface temperature to the master controller;
the master controller predicts the heat dissipation capacity of the personnel according to the behavior of the personnel and the body surface temperature, and controls the indoor temperature adjusting device to adjust the indoor temperature in advance.
The technical scheme of the embodiment of the invention has the following advantages:
1. the interactive photo-thermal environment control system based on personnel positioning and behavior recognition, provided by the embodiment of the invention, realizes the subarea and time-sharing control of sun shading by combining the combined installation of a plurality of dimming glass devices and combining the solar altitude and personnel position positioning, has strong environmental adaptability, effectively solves the problem of indoor glare caused by outdoor strong light, does not generate great influence on indoor heat obtaining by partial sun shading, and ensures indoor lighting and heat collection. Simultaneously discernment is carried out personnel's action and is come to carry out regulation and control in advance to indoor attemperator, can predict personnel's heat dissipation capacity in advance through the discernment to personnel's action, and adjust indoor attemperator in advance, and this can reduce the regulation time of control to the at utmost, guarantees that indoor personnel's environment is comfortable.
2. According to the interactive photo-thermal environment control method based on personnel positioning and behavior recognition, provided by the embodiment of the invention, by combining outdoor weather conditions, personnel positions and solar altitude angles, the accurate control on the partitioned dimming glass device is realized, the precision of sun shading regulation is improved, the glare problem is solved, the sun shading area is reduced, and the influence on indoor heat obtaining is reduced to the minimum. Through the identification to personnel's action can predict personnel's heat dissipation capacity in advance, and adjust indoor attemperator in advance, practice thrift the regulation and control time, improve the environmental comfort greatly.
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 diagram of a specific example of an interactive photo-thermal environment control system based on person location and behavior recognition 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 showing the position of an indoor person and the intensity of exercise of the indoor person after being changed in example 1 of the present invention;
FIG. 4 is a schematic view of a system having a capillary network radiant cold/hot tip according to example 1 of the present invention;
fig. 5 is a schematic view showing a specific example of a light control glass device according to embodiment 1 of the present invention;
FIG. 6 is a schematic view showing a specific example of a movable sunshade assembly in embodiment 1 of the present invention;
FIG. 7 is a schematic view of an electrically deformable glass in example 1 of the present invention;
fig. 8 is a flowchart of a specific example of an interactive photo-thermal environment control method based on personnel location and behavior recognition in embodiment 2 of the present invention.
Reference numerals: the system comprises a main controller, a 2-illuminance sensor, a 3-infrared camera, a 4-lamp, a 5-dimming glass device, a 51-movable sunshade component, a 511-micro motor, a 512-adjusting rod, a 513-shading plate, 52-colorless transparent glass, a 6-outdoor solar radiation sensor, 7-solar rays, 8-air conditioner tail end, 9-capillary network radiation cooling/heating tail end 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 photo-thermal environment control system based on personnel positioning and behavior recognition, and the system is particularly suitable for various office buildings, fitness places and the like with large-area glass curtain walls. As shown in fig. 1, the system includes: the intelligent solar energy central control system comprises a master controller 1, an illumination sensor 2, an infrared camera 3, a lamp 4, a dimming glass device 5, an outdoor solar radiation sensor 6, an indoor temperature adjusting device and the like, wherein the illumination sensor 2, the infrared camera 3, the lamp 4, the dimming glass device 5, the outdoor solar radiation sensor 6 and the indoor temperature adjusting device 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 infrared cameras 3 are uniformly distributed on the indoor wall and used for detecting the positions, behaviors and body surface temperatures 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 of tables, chairs, instruments and the like needing bright light rays so as to be beneficial to illumination; the indoor temperature adjusting device is arranged indoors and used for pre-estimating the heat dissipation capacity of personnel according to the personnel behaviors and the body surface temperature under the control of the master controller 1 and then adjusting the indoor temperature in advance; the personnel behaviors comprise sitting, walking, running and the like, the heat dissipation capacity of the personnel in the next time period is estimated according to the personnel behaviors and the body surface temperature, if the indoor temperature adjusting device works in a refrigerating state, whether the heat dissipation capacity of the personnel in the next time period is larger than the output cold quantity of the indoor temperature adjusting device or not is judged, and when the heat dissipation capacity of the personnel in the next time period is larger than the output cold quantity of the indoor temperature adjusting device, the indoor temperature adjusting device is controlled to increase the cold quantity output; when the output cold quantity is less than or equal to that of the indoor temperature adjusting device, the indoor temperature adjusting device is controlled to reduce the output cold quantity, so that the indoor temperature is adjusted in advance, and the indoor temperature balance is maintained. If the indoor temperature adjusting device works in a heating state, adjusting the output heat of the indoor temperature adjusting device according to the heat dissipation capacity of personnel in the next time period, and if the heat dissipation capacity of the personnel in the next time period is increased, controlling the indoor temperature adjusting device to reduce the heat output; if the heat dissipation capacity of the personnel in the next period is reduced, the indoor temperature adjusting device is controlled to increase the heat output, so that the indoor temperature is adjusted in advance, the indoor temperature balance is maintained, the energy consumption is reduced, and the resources are saved. 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 optothermal environment control system based on personnel's location and action discernment through the aggregate erection of a plurality of dimming glass device to combine sun altitude angle and personnel's position location, realized the subregion of sunshade, timesharing control, 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 heat moreover, ensures indoor daylighting and heat collection. Simultaneously discernment is carried out personnel's action and is come to carry out regulation and control in advance to indoor attemperator, can predict personnel's heat dissipation capacity in advance through the discernment to personnel's action, and adjust indoor attemperator in advance, and this can reduce the regulation time of control to the at utmost, guarantees that indoor personnel's environment is comfortable.
As shown in fig. 2, in a normal state, no person stays indoors, the sunlight 7 normally enters indoors, and the indoor temperature control device does not operate. The indoor temperature adjusting device is an air conditioning terminal 8 in the figure. As shown in fig. 1, when a person enters the room and starts a certain physical activity, the sunlight transmittance of the corresponding light control glass device 5 is reduced, so that the person in the room is prevented from the glare problem caused by direct sunlight; meanwhile, the air conditioner terminal 8 selects a proper control strategy according to the movement intensity of indoor personnel and starts to operate. After the system is regulated and controlled, the light transmittance of the three dimming glass devices 5 in the third column, the second row, the fourth column, the first row and the fifth column, the first row is reduced, the sun shading is performed, and the glare is avoided.
As shown in fig. 3, when the position of the indoor person changes (from the sports equipment to the sofa), the control scheme of the light control glass device 5 changes (the light control glass device corresponding to the original position is restored, and the light control glass device corresponding to the new position reduces the solar transmittance); when the exercise intensity of indoor personnel changes (from the exercise state to the rest state), the control strategy of the indoor temperature adjusting device also changes (adjusting the air supply quantity at the tail end of the air conditioner, the air supply temperature and the like). The combined regulation and control strategy can meet the following requirements to the maximum extent: maximum utilization of natural resources; the luminous environment and the thermal environment of indoor personnel are comfortable, the environmental adaptability of the system is strong, and the system can be applied all the time in all seasons.
As shown in fig. 4, with radiant cooling/heating, a medium for heating or cooling is present in the capillary network radiant cooling/heating tip 9, for example: the medium for heating is hot water or steam, the medium for refrigerating is cold water or an evaporant (Freon, liquid ammonia and the like), and the temperature or the flow of the medium is adjusted to be used as a heating, ventilation and air conditioning control strategy.
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. 5, 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. 6, 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. 7, 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 photo-thermal environment control method based on personnel positioning and behavior recognition, which can be applied to the interactive photo-thermal environment control system based on personnel positioning and behavior recognition in embodiment 1, as shown in fig. 8, and 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;
s3, when the outdoor weather condition is sunny, the master controller 1 sends a personnel positioning request to the infrared camera 3 every first time period;
s4, detecting the position of indoor personnel by the infrared camera 3 after receiving the personnel positioning request, obtaining the current number of indoor personnel, the personnel position, the personnel behavior and the body surface temperature and sending the current number, the personnel position, the personnel behavior and the body surface temperature 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 adjusting glass device 5 at the position to adjust the light transmittance according to the shading degree, and meanwhile, the heat dissipation capacity of the personnel is estimated according to the personnel behaviors and the body surface temperature received at each interval of the first time period, and the indoor temperature adjusting device is controlled to adjust the indoor temperature in advance;
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 photo-thermal environment control method based on personnel positioning and behavior recognition, by combining outdoor weather conditions, personnel positions and solar altitude angles, the accurate control of the partitioned dimming glass device is achieved, the precision of sunshade regulation is improved, the glare problem is solved, the sunshade area is reduced, and the influence on indoor heat gain is reduced to the minimum. Through the identification to personnel's action can predict personnel's heat dissipation capacity in advance, and adjust indoor attemperator in advance, practice thrift the regulation and control time, improve the environmental comfort greatly.
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.
Preferably, the method further comprises the steps of:
s12, 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, all the dimming glass devices 5 are turned on, and the indoor brightness is adjusted by directly controlling the lamps 4;
s13, the master controller 1 sends a personnel positioning request to the infrared camera 3 every third time period;
s14, detecting the state of the indoor personnel after the infrared camera 3 receives the personnel positioning request, acquiring the current indoor personnel behavior and the body surface temperature and sending the current indoor personnel behavior and the body surface temperature to the master controller 1;
s15, the master controller 1 predicts the heat dissipation capacity of the personnel according to the behavior of the personnel and the body surface temperature, controls the indoor temperature adjusting device to adjust the indoor temperature in advance, adjusts the temperature once every third time period, and the third time period can be set according to actual requirements.
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 (9)
1. An interactive photo-thermal environment control system based on personnel location and behavior recognition, comprising: the system comprises a master controller (1), an illuminance sensor (2), an infrared camera (3), a lamp (4), a dimming glass device (5), an outdoor solar radiation sensor (6) and an indoor temperature adjusting device; the illuminance sensor (2), the infrared camera (3), the lamp (4), the dimming glass device (5), the outdoor solar radiation sensor (6) and the indoor temperature adjusting device 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 infrared cameras (3) are uniformly distributed on the indoor wall and used for detecting the positions, behaviors and body surface temperatures of indoor personnel;
the lamps (4) are uniformly distributed on the indoor roof wall surface and are used for lighting;
the indoor temperature adjusting device is arranged indoors and used for pre-estimating the heat dissipation capacity of personnel according to the personnel behaviors and the body surface temperature under the control of the master controller (1) and then adjusting the indoor temperature in advance;
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. System according to any of claims 1-5, characterized in that the indoor temperature conditioning device is an air conditioning terminal (8) or a capillary network radiant cooling/heating terminal (9).
7. An interactive photo-thermal environment control method based on personnel positioning and behavior recognition 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 personnel positioning requests to the infrared camera (3) at intervals of a first time period;
the infrared camera (3) detects the position of indoor personnel after receiving the personnel positioning request, obtains the current number of indoor personnel, the position of the personnel, the behavior of the personnel and the body surface temperature and sends the current number, the position, the behavior and the body surface temperature of the personnel 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, and simultaneously predicts the heat dissipation capacity of personnel according to the personnel behaviors and the body surface temperature received at each interval of a first time period, and controls the indoor temperature adjusting device to adjust the indoor temperature in advance;
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.
8. The method according to claim 7, wherein the step of the general controller (1) obtaining the position of the dimming glass device (5) of the desired 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 degree of shading 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.
9. The method according to claim 7 or 8, 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;
the master controller (1) sends a personnel positioning request to the infrared camera (3) at intervals of a third time period;
the infrared camera (3) detects the state of indoor personnel after receiving the personnel positioning request, obtains the current indoor personnel behavior and the body surface temperature and sends the current indoor personnel behavior and the body surface temperature to the master controller (1);
the master controller (1) predicts the heat dissipation capacity of personnel according to the behavior of the personnel and the body surface temperature, and controls the indoor temperature adjusting device to adjust the indoor temperature in advance.
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