CN110865589A - Open-type office area energy-saving control system and control method thereof - Google Patents
Open-type office area energy-saving control system and control method thereof Download PDFInfo
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- G05B19/00—Programme-control systems
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Abstract
The invention discloses an open-type office area energy-saving control system, which comprises an upper computer, a plurality of lighting energy-saving units, a plurality of air-conditioning energy-saving units, a plurality of shutter energy-saving system units and a DALI bus system, wherein the DALI bus system comprises a DALI bus; the DALI bus system comprises an upper computer, a plurality of lighting energy-saving units, a plurality of air-conditioning energy-saving units and a plurality of shutter energy-saving system units, wherein the upper computer, the plurality of lighting energy-saving units, the plurality of air-conditioning energy-saving units and the plurality of shutter energy-saving system units are respectively connected with the DALI bus system, and the DALI bus can also be connected with. The invention also discloses a control method of the control system. By applying the invention, the energy consumption of the illumination system and the air conditioning system in the office building can be effectively reduced according to different requirements in the office area, the natural light source is fully utilized, and the electric energy is saved.
Description
Technical Field
The invention belongs to the technical field of energy conservation, and particularly relates to an open office area energy-saving control system and a control method thereof.
Background
Along with the rapid development of economy in China in recent years, the urban building area is continuously increased, and the problem of building energy consumption gradually becomes the focus of social attention. The energy consumption of the lighting system is usually the main building energy consumption of an office building, the traditional lighting system has large energy consumption, cannot be adjusted according to the needs, and the light source is not beneficial to the physical health of personnel, so that the increasing demands of office conditions at present cannot be met, and the improvement on the traditional lighting system is urgently needed, so that the energy consumption is reduced, and the efficiency is improved. In addition, open-type office work also becomes a trend, which requires that the illumination control system can adjust the illumination level of each office area in real time according to office characteristics, personal preferences and the like, so as to realize energy-saving control of the illumination system of the office building. In addition, an air conditioning system in an office building is also one of building energy consumption, and the traditional old air conditioning system is high in energy consumption and poor in effect and cannot meet the existing office requirements. Therefore, there is a need for an energy-saving control system and a control method thereof for an open office area to solve such problems.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides an open office area energy-saving control system and a control method thereof, which can effectively reduce the energy consumption of a lighting system and an air conditioning system in an office building according to different requirements in an office area and save electric energy.
The technical scheme for solving the technical problem of the invention is as follows:
the invention relates to an energy-saving control system for an open office area, wherein the open office area comprises a plurality of energy-saving partitions, each energy-saving partition comprises a plurality of desks and a plurality of seats, and the innovation point is that the energy-saving control system at least comprises:
an upper computer;
the energy-saving desk lamp comprises a plurality of energy-saving lighting units, a plurality of energy-saving lighting units and a plurality of energy-saving control units, wherein the energy-saving lighting units respectively correspond to desks and seats in each energy-saving partition;
the energy-saving system units of the shutters are used for controlling the incidence angle and the luminous flux of natural light outside the window according to the illumination value of the open office area; and
the DALI bus system comprises a DALI bus, wherein the DALI bus is connected with a master control machine, a DALI power supply and a plurality of DALI slave control machines;
each constant current driver is respectively connected with each DALI slave control machine, the master control machine is connected with the upper computer, and the image sensor, the infrared sensor, the temperature sensor and the illumination sensor are respectively connected with the DALI bus.
As a further improvement of the technical scheme of the invention, the image sensor is a CMOS image sensor or a CCD sensor.
As a further improvement of the technical scheme of the invention, the constant current driver in each lighting energy-saving unit comprises a first MOS driver and a second MOS driver, the LED lamp comprises a first LED lamp bead group consisting of a plurality of cold-color LED lamp beads and a second LED lamp bead group consisting of a plurality of warm-color LED lamp beads, the first LED lamp bead group and the second LED lamp bead group are respectively connected with the first MOS driver and the second MOS driver, and the lighting energy-saving unit further comprises a power module connected with the first MOS driver and the second MOS driver.
As a further improvement of the technical scheme of the invention, the DALI bus is also connected with a control panel and a remote control receiver.
As a further improvement of the technical scheme of the invention, each louver energy-saving system unit comprises a louver motor driver, an electric louver and an illumination sensor, wherein the louver motor driver is connected with the electric louver; the shutter motor driver is connected with the DALI slave control machine; the illuminance sensor is connected to the DALI bus.
As a further improvement of the technical scheme of the invention, the energy-saving control system further comprises a plurality of air-conditioning energy-saving units respectively corresponding to each energy-saving subarea, each air-conditioning energy-saving unit comprises an air-conditioning motor driver, a fan coil and a temperature sensor, the air-conditioning motor driver is connected with the fan coil, and the air-conditioning motor driver is connected with the DALI slave control machine; the temperature sensor is connected with the DALI bus.
Another technical solution to solve the technical problem of the present invention is as follows:
according to the technical scheme, the control method of the open office area energy-saving control system is characterized in that whether a person moves in the energy-saving subareas is detected through the infrared sensors arranged in the energy-saving subareas, if the person moves, the control method comprises the following steps:
the method is applied to an illumination energy-saving unit, particularly to an illumination value of an energy-saving partition detected by an image sensor and transmitted to a master control machine through a DALI bus, the master control machine transmits a light control signal to a DALI slave control machine through the DALI bus according to the illumination value, and the DALI slave control machine controls a constant-current driver according to the light control signal of the master control machine so as to regulate and control an LED lamp to perform light and color adjustment to achieve preset constant illumination; and
the method is applied to a shutter energy-saving system unit, and particularly comprises the steps that an illumination sensor detects an illumination value at an electric shutter and transmits the illumination value to a master control machine through a DALI bus, the master control machine transmits a shutter control signal to a DALI slave control machine through the DALI bus according to the illumination value, and the DALI slave control machine controls a shutter motor driver to drive the electric shutter to adjust the angle of blades of the electric shutter according to the shutter control signal of the master control machine so as to achieve preset illumination;
if the infrared sensor detects that no person moves in the energy-saving subarea, the light control signal is transmitted to each DALI slave control machine through the DALI bus by the master control machine, and each DALI slave control machine controls the constant-current driver to slowly reduce the illumination of the LED lamp according to the light control signal of the master control machine and closes the LED lamp of the energy-saving subarea after the preset time.
As a further improvement of the technical scheme of the invention, the constant illumination control method for automatic dimming and color mixing is performed by adopting a pulse width modulation dimming and color mixing control mode, that is, after receiving a light control signal sent by a main control computer from a DALI (digital addressable Lighting interface) slave control computer, the DALI slave control computer converts the light control signal into two paths of PWM (pulse width modulation) control signals and respectively loads the two paths of PWM control signals to a first MOS (metal oxide semiconductor) driver and a second MOS driver, the first MOS driver and the second MOS driver respectively regulate respective output currents according to the respective received PWM control signals and then respectively load the two paths of PWM control signals to a first LED lamp bead group and a second LED lamp bead group so as to realize dimming and color mixing control of the LED lamp, phases of the two paths of PWM information signals always keep a staggered relation, the sum of duty ratios.
As a further improvement of the technical scheme of the invention, the energy-saving control method for natural lighting adopts an expert system for control, specifically, an expert system is arranged in a main control computer, an illumination sensor detects an illumination value at the position of the electric blind window and transmits the illumination value to the main control computer through a DALI bus, the main control computer processes and calculates the illumination value by using the expert system to obtain a blind window control signal, then the blind window control signal is transmitted to a DALI slave control computer through the DALI bus, and the DALI slave control computer controls a blind window motor driver to drive the electric blind window to adjust the angle of the blades of the electric blind window according to the blind window control signal of the main control computer so as to achieve the preset illumination.
As a further improvement of the technical solution of the present invention, the constant illumination control method for automatic dimming and color mixing further includes constant illumination control for automatic dimming and color mixing of LED lamps of the lighting energy saving units corresponding to each seat area in each energy saving partition, the control method includes that an infrared sensor detects the activity of each seat person in each energy saving partition, an image sensor measures the illumination of each seat area, when the infrared sensor detects that a certain seat has a person activity, the image sensor measures the illumination of the seat area and transmits the illumination value to a master control machine through a DALI bus, the master control machine transmits a light control signal to a DALI slave control machine through the DALI bus according to the illumination value, and the DALI slave control machine controls a constant current driver according to a light control signal of the master control machine to regulate and control the LED lamps to perform dimming and color mixing so as to achieve a preset constant illumination; when the infrared sensor detects that no person moves in a certain seat, the light control signal is transmitted to the DALI slave control machine corresponding to the seat through the DALI bus by the master control machine, and the DALI slave control machine controls the corresponding constant-current driver to slowly reduce the illumination of the LED lamp in the seat area according to the light control signal of the master control machine and turns off the LED lamp in the seat area after 30 seconds.
As a further improvement of the technical scheme of the invention, whether a person is active in the energy-saving subarea is detected by an infrared sensor arranged in each energy-saving subarea, and if the person is active, the control method further comprises the following steps: the control method also comprises an automatic constant temperature control method, which is applied to an air conditioner energy-saving unit, and particularly comprises the steps that a temperature sensor detects the temperature value of an energy-saving subarea and transmits the temperature value to a master control machine through a DALI bus, the master control machine transmits a temperature control signal to a DALI slave control machine through the DALI bus according to the temperature value, and the DALI slave control machine controls an air conditioner motor driver to drive a fan coil to operate according to the temperature control signal of the master control machine so as to reach the preset temperature; if the infrared sensor detects that no person moves in the energy-saving subarea, the temperature control signal is transmitted to each DALI slave control machine through the DALI bus by the master control machine, and each DALI slave control machine controls the air conditioner motor driver to close the fan coil after the preset time according to the temperature control signal of the master control machine.
As a further improvement of the technical scheme of the invention, the control method further comprises manual control, namely, the lamplight control signal and/or the temperature control signal can be manually transmitted to the infrared receiver on the DALI bus through the infrared remote controller, the infrared receiver transmits the signal to the master control machine through the DALI bus, and the master control machine transmits the corresponding signal to each DALI slave control machine to complete the manual control of the corresponding illumination and/or temperature of each energy-saving subarea.
As a further improvement of the technical scheme of the invention, the control method further comprises manual control of the corresponding illumination of each seat area in the energy-saving subarea, namely, a light control signal of which the illumination of a certain seat area needs to be adjusted can be manually transmitted to the infrared receiver on the DALI bus through the infrared remote controller, the infrared receiver transmits the signal to the master control machine through the DALI bus, and the master control machine transmits the corresponding signal to the DALI slave control machine corresponding to the seat to complete the manual control of the corresponding illumination of the seat area.
Compared with the prior art, the invention has the beneficial effects that:
1) the office area illuminating lamp adopts an LED lamp and adopts a control mode of pulse width modulation, so that the energy consumption for illumination is effectively reduced;
2) the office area adopts automatic constant temperature, and redundant fan coils are closed according to actual conditions, so that energy is saved;
3) the angle of the blades of the electric shutter is changed in the office area according to the illumination condition of natural light entering the window, so that the indoor illumination is improved by using the natural light to the maximum extent, and the energy consumption of lighting power consumption is reduced;
4) the office area can be manually controlled when being automatically controlled, and the comfort level of the office area is improved according to actual conditions.
Drawings
FIG. 1 is a block diagram of an open office area energy conservation control system according to the present invention;
FIG. 2 is a system block diagram of a lighting energy saving unit of the present invention;
FIG. 3 is a schematic diagram of the composition of an open office area light environment of the present invention;
FIG. 4 is a schematic plan view of an open office area energy saving partition of the present invention;
in the figure: 1. energy-saving partitioning; 2. an upper computer; 3. a lighting energy-saving unit; 31. a constant current driver; 311. a first MOS driver; 312. a second MOS driver; 32. an LED lamp; 321. a first LED lamp bead group; 322. a second LED lamp bead group; 33. an image sensor; 34. an infrared sensor; 35. a power supply module; 4. an air-conditioning energy-saving unit; 41. an air conditioner motor driver; 42. a fan coil; 5. a blind window energy saving system unit; 51. a shutter motor driver; 52. an electric blind window; 6. a DALI bus system; 61. a DALI bus; 62. a DALI slave controller; 63. a main control machine; 64. a control panel; 65. a remote control receiver; 66. a DALI power supply; 7. a seat; 8. an office table; .
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "connected" or "coupled" and the like as used in the description and claims of the present disclosure are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The present invention is not described in detail, but is known to those skilled in the art.
Example 1:
as shown in fig. 1 to 4, the open office area energy-saving control system of the present invention may be divided into dry energy-saving partitions 1, each energy-saving partition 1 includes a plurality of desks 8 and a plurality of seats 7, and each energy-saving partition 1 may be an illumination partition or a heating and ventilation partition, or may be an illumination partition or a heating and ventilation partition. As shown in fig. 4, in the present embodiment, four desks 8 and four seats 7 are used as one energy saving partition 1, and the energy saving partition 1 overlaps the lighting partition and the warm-air partition.
As shown in fig. 1, the open office area energy-saving control system of the present invention comprises an upper computer 2, a plurality of lighting energy-saving units 3, a plurality of air-conditioning energy-saving units 4, a plurality of louver energy-saving system units 5, and a DALI bus system 6; the upper computer 2 is used for receiving information fed back by the whole control system and sending instructions to control various devices in the whole control system, and the control of the whole control system is completed mainly through data communication with the main control computer 63; the plurality of lighting energy-saving units 3 respectively correspond to each energy-saving subarea 1, and each lighting energy-saving unit 3 can correspond to each office table 8 and seat 7 in the whole energy-saving subarea 1, and also can correspond to one or more office tables 8 and seats 7 in one energy-saving subarea 1. Each lighting energy-saving unit 3 comprises a constant current driver 31, an LED lamp 32, an image sensor 33 and an infrared sensor 34, wherein the constant current driver 31 is connected with the LED lamp 32, and the image sensor 33 can use a CMOS image sensor or a CCD image sensor; a plurality of the blind window energy-saving system units 5, wherein each blind window energy-saving system unit 5 comprises a blind window motor driver 51, an electric blind window 52 and an illumination sensor 53, and the blind window motor driver 51 is connected with the electric blind window 52; the DALI bus system 6 comprises a DALI bus 61, and the DALI bus 61 is connected with a master control machine 63, a DALI power supply 66 and a plurality of DALI slave control machines 62; in this embodiment, a plurality of air-conditioning energy-saving units 4 may also be included, which correspond to each energy-saving partition 1, respectively, each air-conditioning energy-saving unit 4 includes an air-conditioning motor driver 41, a fan coil 42, and a temperature sensor 43, where the air-conditioning motor driver 41 is connected to the fan coil 42; the constant current driver 31, the air conditioner motor driver 41 and the shutter motor driver 51 are respectively connected with each DALI slave control machine 62, the master control machine 63 is connected with the upper computer 2, and the image sensor 33, the infrared sensor 34, the temperature sensor 43 and the illumination sensor 53 are respectively connected with the DALI bus 61.
In this embodiment, the DALI power supply 66 in the DALI bus system supplies power to various devices connected to the DALI bus 61, such as control devices like the DALI slave controller 62; the DALI bus 61 is used for data communication between the connected devices on the bus, and realizes deployment and operation of control strategies of the general open-type office area energy-saving control system, storage and display of sensing or control data, issuing of control instructions and the like; the main control machine 63 is in data communication with other various devices connected with the DALI bus 61 through the DALI bus 61, so that energy-saving control of various devices in the whole open-type office area energy-saving control system is realized; the DALI slave control machine 62 is used for receiving the received DALI signal transmitted by the master control machine and making corresponding output action on the relevant driver according to the instruction; the image sensor 33 is used for acquiring an image of an indoor light environment of the area of the energy-saving partition 1 and measuring and calculating the illumination of the area; the infrared sensor 34 is used for detecting the activity condition of personnel in the zone 1 of the energy-saving zone; the temperature sensor 43 is used for detecting the temperature condition of the energy-saving subarea 1; the illumination sensor 53 is used for detecting the illumination condition of natural light outside the office area and penetrating into the room through a window; the constant current driver 31 is used for receiving a dimming and color-mixing control instruction transmitted by the DALI from the control machine 62 and performing dimming and color-mixing operation on the LED lamp 32; the louver motor driver 51 and the air conditioner motor driver 41 respectively receive control information transmitted from the control machine 62 by DALI, and respectively perform angle control on the blades of the electric louver 52 and control on and off of the fan coil 42 in the air conditioning system.
In this embodiment, in order to facilitate field control of the relevant loads in the open office area energy-saving control system, a control panel 64 is connected to the DALI bus; in order to facilitate manual control of the energy-saving control system of the open office area, a remote control receiver 65 is connected to the DALI bus, the remote control receiver 65 is used for transmitting a control signal transmitted by a remote controller matched with the remote control receiver 65 to the master control machine 63 through the DALI bus 61, and the master control machine 63 transmits a related instruction to each DALI slave control machine 62 for related energy-saving control.
In this embodiment, the lighting energy saving units 3 are controlled by a pulse width modulation color modulation dimming control method, specifically, the constant current driver 31 in each lighting energy saving unit 3 includes a first MOS driver 311 and a second MOS driver 312, the LED lamp 32 includes a first LED lamp bead group 321 formed by a plurality of cold color LED lamp beads and a second LED lamp bead group 322 formed by a plurality of warm color LED lamp beads, the first LED lamp bead group 321 and the second LED lamp bead group 322 are respectively connected with the first MOS driver 311 and the second MOS driver 312, the lighting energy saving unit 3 further includes a power module 35, and the power module 35 is connected with the first MOS driver 311 and the second MOS driver 312 to provide power. In this embodiment, the LED lamp 32 is composed of a first LED lamp bead group 321 composed of a plurality of cold-color LED lamp beads and a second LED lamp bead group 322 composed of a plurality of warm-color LED lamp beads, the LED lamp is selected for use in the lamp in the office area, the luminous efficiency of the LED lamp can reach over 100 lumens/watt, the general incandescent lamp can only reach 10 lumens/watt, the energy-saving lamp is also about 70 lumens/watt, and the energy-saving lamp has the advantages of higher luminous efficiency than the energy-saving lamp, low energy consumption, no harmful metal, easy waste recycling, and the like, and the selected cold-color and warm-color LED lamp facilitates automatic color-adjusting and light-adjusting constant illumination control according to the illumination condition of the energy-saving partition 1.
Example 2:
the control method of the open office area energy-saving control system in embodiment 1 is characterized in that whether a person moves in the energy-saving subarea 1 is detected by the infrared sensor 34 arranged in each energy-saving subarea 1, and if the person moves, the control method is respectively controlled or controlled in a combined manner according to the following constant-illumination control method for automatically dimming and toning, an automatic constant-temperature control method, and a natural lighting energy-saving control method.
The constant illumination control method for automatic dimming and color mixing is applied to an illumination energy-saving unit 3, specifically, an illumination value of an energy-saving partition 1 detected by an image sensor 33 is transmitted to a master control machine 63 through a DALI bus 61, the master control machine 63 transmits a light control signal to a DALI slave control machine 62 through the DALI bus 61 according to the illumination value, and the DALI slave control machine 62 controls a constant current driver 31 according to the light control signal of the master control machine 63 to regulate and control an LED lamp 32 to perform dimming and color mixing so as to achieve preset constant illumination; in this embodiment, the constant illuminance control method for automatic dimming and color mixing is performed by adopting a pulse width modulation dimming and color mixing control mode, that is, after receiving the light control signal sent by the main control machine 63, the DALI slave control machine 62 converts the light control signal into two paths of PWM control signals and loads the two paths of PWM control signals to the first MOS driver 311 and the second MOS driver 312, the first MOS driver 311 and the second MOS driver 312 respectively adjust respective output currents according to the respective received PWM control signals and then load the respective output currents to the first LED lamp bead group 321 and the second LED lamp bead group 322, and after mixing the light and color of the two paths of LED lamp bead groups, the dimming and color mixing constant illuminance control of the LED lamp 32 is realized. In this embodiment, the dimming and color mixing control of the LED lamp 32 is completed by PWM adjustment, and the operating principle of dimming and color mixing of the LED lamp is described by two LED loops: two output ports PWM1 and PWM2 are selected on the DALI slave controller 62, phases of two PWM control signals are always kept in a staggered relation, namely 180-degree phase difference is kept, overlapping of driving signals is not allowed, in the control mode, the sum of duty ratios of the two PWM control signals is smaller than or equal to 1, at most one light source works at any moment, and the two PWM control signals respectively control the on-off of two LED lamp bead groups, so that the aim of dimming and toning is achieved.
The automatic constant temperature control method is applied to the air-conditioning energy-saving unit 4, and specifically comprises the steps that a temperature sensor 43 detects a temperature value of an energy-saving subarea 1 and transmits the temperature value to a master control machine 63 through a DALI bus, the master control machine 63 transmits a temperature control signal to a DALI slave control machine 62 through the DALI bus according to the temperature value, and the DALI slave control machine 62 controls an air-conditioning motor driver 41 to drive a fan coil 42 to operate according to the temperature control signal of the master control machine 63 so as to reach a preset temperature;
the natural lighting energy-saving control method is applied to the shutter energy-saving system unit 5, specifically, the illumination sensor 53 detects an illumination value at the electric shutter 52 and transmits the illumination value to the master control machine 63 through the DALI bus, the master control machine 63 transmits a shutter control signal to the DALI slave control machine 62 through the DALI bus 61 according to the illumination value, and the DALI slave control machine 62 controls the shutter motor driver 51 to drive the electric shutter 42 to adjust the angle of the blades thereof according to the shutter control signal of the master control machine 63 so as to achieve the preset illumination; in this embodiment, the angle of the blade of the electric louver 42 is changed by the louver driving motor 51, the direction and the luminous flux of the natural light entering the indoor space are changed, and further the indoor illumination distribution of the natural light is changed, the natural light is utilized to the maximum extent, the purpose that the reference illumination meets the illumination requirement is realized, and the consumption of the indoor office illumination to the electric energy is reduced as much as possible, and meanwhile, in order to improve the comfort of the office illumination, when the louver driving motor 51 is controlled to change the angle of the blade of the electric louver 42, the direct irradiation of sunlight is avoided as much as possible, and the dizziness is caused. In this embodiment, the energy-saving control method for natural lighting adopts an expert system for control, specifically, an expert system is arranged in the main control machine 63, the illuminance sensor 53 detects the illuminance value at the electric blind 52 and transmits the illuminance value to the main control machine 63 through the DALI bus, the main control machine 63 processes and calculates the illuminance value by using the expert system to obtain a blind control signal, then transmits the blind control signal to the DALI slave control machine 62 through the DALI bus 61, and the DALI slave control machine 62 controls the blind motor driver 51 to drive the electric blind 42 to adjust the angle of the blades of the electric blind 42 according to the blind control signal of the main control machine 63, so as to achieve the preset illuminance.
If the infrared sensor 34 detects that no human is moving in the energy-saving subarea 1, the light control signal and the temperature control signal are transmitted to each DALI slave control machine 62 through the DALI bus 61 by the master control machine 63, each DALI slave control machine 62 respectively controls the constant-current driver 31 to slowly reduce the illumination of the LED lamp 32 and close the LED lamp 32 of the energy-saving subarea 1 after a preset time, such as 30 seconds, passes through the light control signal and the temperature control signal of the master control machine 63, and controls the air-conditioning motor driver 41 to close the fan coil 42 after the preset time passes through.
In this embodiment, the constant illumination control method for automatic dimming and color mixing may be further embodied as constant illumination control for automatic dimming and color mixing of the LED lamps 32 of the lighting energy saving units 3 corresponding to the seat 7 areas in each energy saving partition 1, the control method comprises detecting the activity of each seat 7 in the energy-saving subarea 1 by an infrared sensor 34, measuring the illumination of each seat area by an image sensor 33, when the infrared sensor 34 detects that a person moves in a certain seat 7, the image sensor 33 measures the illumination of the area of the seat 7 and transmits the illumination value to the master control machine 63 through the DALI bus 61, the master control machine 63 transmits a light control signal to the DALI slave control machine 62 through the DALI bus 61 according to the illumination value, and the DALI slave control machine 62 controls the constant current driver 31 according to the light control signal of the master control machine 63 to regulate and control the LED lamp 32 to perform dimming and color mixing so as to achieve a preset constant illumination; when the infrared sensor 34 detects that no person is in a certain seat 7, the light control signal is transmitted to the DALI slave control machine 62 corresponding to the seat 7 through the DALI bus 61 by the master control machine 63, and the DALI slave control machine 62 controls the corresponding constant current driver 31 to slowly reduce the illumination of the LED lamp 32 in the seat 7 area according to the light control signal of the master control machine 63 and turns off the LED lamp 32 in the seat 7 area after 30 seconds have elapsed.
In this embodiment, the control method further includes manual control, that is, a remote controller is equipped for each energy-saving partition 1, when the lighting or temperature of a certain energy-saving partition 1 cannot meet the requirement, the light control signal and/or the temperature control signal can be manually transmitted to the infrared receiver 65 connected to the DALI bus 61 through the infrared remote controller, the infrared receiver 65 transmits the signal to the master control machine 63 through the DALI bus, and the master control machine 63 transmits the corresponding signal to each DALI slave control machine 62 to complete manual control of the corresponding illuminance and/or temperature of each energy-saving partition 1.
In this embodiment, the control method may further specifically include manually controlling the corresponding illuminance of each seat 7 area of the energy-saving partition 1, that is, the light control signal that needs to adjust the illuminance of a certain seat 7 area may be manually transmitted to the infrared receiver 65 on the DALI bus 61 through the infrared remote controller, the infrared receiver 65 transmits the signal to the master control machine 63 through the DALI bus, and the master control machine 63 transmits the corresponding signal to the DALI slave control machine 62 corresponding to the seat 7 to complete the manual control of the corresponding illuminance of the seat 7 area.
Claims (13)
1. An open office area energy saving control system, the open office area comprising a number of energy saving bays (1), each energy saving bay (1) comprising a number of desks (8) and a number of seats (7), characterized in that the energy saving control system comprises at least:
an upper computer (2);
the energy-saving illumination system comprises a plurality of illumination energy-saving units (3) which respectively correspond to desks (8) and seats (7) in energy-saving partitions (1), wherein each illumination energy-saving unit (3) comprises a constant current driver (31), an LED lamp (32), an image sensor (33) and an infrared sensor (34), and the constant current driver (31) is connected with the LED lamp (32);
a plurality of shutter energy saving system units (5) for controlling the incidence angle and luminous flux of natural light outside the window according to the illuminance value of the open office area; and
a DALI bus system (6) comprising a DALI bus (61), the DALI bus (61) being connected to a master control machine (63), a DALI power supply (66) and a number of DALI slave control machines (62);
the constant current drivers (31) are respectively connected with DALI slave control machines (62), the master control machine (63) is connected with the upper computer (2), and the image sensor (33) and the infrared sensor (34) are respectively connected with a DALI bus (61).
2. Open office area energy saving control system according to claim 1, characterized in that the image sensor (33) is a CMOS image sensor or a CCD sensor.
3. An open office area energy-saving control system according to claim 1 or 2, wherein the constant current driver (31) in each lighting energy-saving unit (3) comprises a first MOS driver (311) and a second MOS driver (312), the LED lamp (32) comprises a first LED lamp bead group (321) composed of a plurality of cold-color LED lamp beads and a second LED lamp bead group (322) composed of a plurality of warm-color LED lamp beads, the first LED lamp bead group (321) and the second LED lamp bead group (322) are respectively connected with the first MOS driver (311) and the second MOS driver (312), and the lighting energy-saving unit (3) further comprises a power module (35), and the power module (35) is connected with the first MOS driver (311) and the second MOS driver (312).
4. An open office area energy saving control system according to claim 3, characterized in that a control panel (64) and a remote control receiver (65) are also connected to the DALI bus.
5. An open office area energy saving control system according to claim 4, characterized in that each of said blind energy saving system units (5) comprises a blind motor driver (51), an electric blind (52) and an illuminance sensor (53), the blind motor driver (51) being connected with the electric blind (52); the shutter motor driver (51) is connected with a DALI slave control machine (62); the illuminance sensor (53) is connected to a DALI bus (61).
6. An open office area energy-saving control system according to any one of claim 5, further comprising a plurality of air-conditioning energy-saving units (4) respectively corresponding to the energy-saving subareas (1), wherein each air-conditioning energy-saving unit (4) comprises an air-conditioning motor driver (41), a fan coil (42) and a temperature sensor (43), the air-conditioning motor driver (41) is connected with the fan coil (42), and the air-conditioning motor driver (41) is connected with the DALI slave controller (62); the temperature sensor (43) is connected to a DALI bus (61).
7. The control method of the energy-saving control system for the open office area according to claim 6, wherein whether a person is active in the energy-saving subarea (1) is detected by an infrared sensor (34) arranged in each energy-saving subarea (1), and if the person is active, the control method comprises the following steps:
the method is applied to an illumination energy-saving unit (3), specifically to an illumination value of an energy-saving partition (1) detected by an image sensor (33) and transmitted to a master control machine (63) through a DALI bus (61), the master control machine (63) transmits a light control signal to a DALI slave control machine (62) through the DALI bus (61) according to the illumination value, and the DALI slave control machine (62) controls a constant-current driver (31) according to the light control signal of the master control machine (63) to regulate and control an LED lamp (32) to perform dimming and color mixing so as to achieve preset constant illumination; and
the natural lighting energy-saving control method is applied to the shutter energy-saving system unit (5), and particularly comprises the steps that an illumination sensor (53) detects an illumination value at an electric shutter (52) and transmits the illumination value to a master control machine (63) through a DALI bus, the master control machine (63) transmits a shutter control signal to a DALI slave control machine (62) through a DALI bus (61) according to the illumination value, and the DALI slave control machine (62) controls a shutter motor driver (51) to drive the electric shutter (52) to adjust the angle of blades of the electric shutter according to the shutter control signal of the master control machine (63) so as to achieve the preset illumination;
if the infrared sensor (34) detects that no person is in the energy-saving partition (1), the light control signal is transmitted to each DALI slave control machine (62) through the DALI bus (61) by the master control machine (63), and each DALI slave control machine (62) controls the constant current driver (31) to slowly reduce the illumination of the LED lamp (32) according to the light control signal of the master control machine (63) and closes the LED lamp (32) of the energy-saving partition (1) after the preset time.
8. The control method of the open-type office area energy-saving control system according to claim 7, wherein the constant illumination control method of automatic dimming and color-mixing is performed by adopting a pulse-width modulation dimming and color-mixing control mode, that is, after receiving the light control signal sent by the main control machine (63) from the control machine (62), the DALI is converted into two PWM control signals and is respectively loaded to the first MOS driver (311) and the second MOS driver (312), the first MOS driver (311) and the second MOS driver (312) respectively adjust the respective output current according to the respective received PWM control signal, and then are respectively loaded to the first LED lamp bead group (321) and the second LED lamp bead group (322) to realize the dimming and color-mixing control of the LED lamp (32), the phases of the two PWM information signals always keep a staggered relationship, and the sum of the duty ratios of the two PWM control signals is less than or equal to 1, at most one path of LED lamp bead group works at any moment.
9. The control method of an energy-saving control system for an open office area according to claim 7, wherein the energy-saving control method for natural lighting adopts expert system control, specifically, an expert system is arranged in a master control machine (63), an illumination sensor (53) detects an illumination value at the electric blind (52) and transmits the illumination value to the master control machine (63) through a DALI bus, the master control machine (63) processes and calculates the illumination value by using the expert system and obtains a blind control signal, then transmits the blind control signal to a DALI slave control machine (62) through the DALI bus (61), and the DALI slave control machine (62) controls a blind motor driver (51) to drive the electric blind (42) to adjust the angle of the blades thereof according to the blind control signal of the master control machine (63) so as to achieve the preset illumination.
10. The control method of an open-type office area energy-saving control system according to claim 7, wherein the constant illumination control method of automatic dimming and color-adjusting further comprises constant illumination control of automatic dimming and color-adjusting of the LED lamps (32) of the lighting energy-saving units (3) corresponding to the seat (7) areas in each energy-saving subarea (1), the control method comprises that the infrared sensor (34) detects the activity of the personnel in each seat (7) of the energy-saving subarea (1), the image sensor (33) measures the illumination of each seat area, when the infrared sensor (34) detects the activity of the personnel in one seat (7), the image sensor (33) measures the illumination of the seat (7) area and transmits the illumination value to the main control computer (63) through a DALI bus (61), the main control computer (63) transmits a light control signal to the DALI control computer (62) through the DALI bus (61) according to the illumination value, the DALI slave control machine (62) controls the constant current driver (31) according to the light control signal of the master control machine (63) to regulate and control the LED lamp (32) to adjust light and color so as to achieve preset constant illumination; when the infrared sensor (34) detects that a certain seat (7) has no personnel activity, the light control signal is transmitted to a DALI slave control machine (62) corresponding to the seat (7) through a DALI bus (61) by the master control machine (63), and the DALI slave control machine (62) controls a corresponding constant current driver (31) to slowly reduce the illumination of the LED lamps (32) in the area of the seat (7) according to the light control signal of the master control machine (63) and closes the LED lamps (32) in the area of the seat (7) after 30 seconds.
11. A control method of an open office area energy-saving control system according to any one of claims 7-10, wherein whether a person is active in the energy-saving subarea (1) is detected by an infrared sensor (34) arranged in each energy-saving subarea (1), and if the person is active, the control method further comprises: the control method also comprises an automatic constant temperature control method, which is applied to the air-conditioning energy-saving unit (4), and is characterized in that a temperature sensor (43) detects the temperature value of the energy-saving partition (1) and transmits the temperature value to a master control machine (63) through a DALI bus, the master control machine (63) transmits a temperature control signal to a DALI slave control machine (62) through the DALI bus according to the temperature value, and the DALI slave control machine (62) controls an air-conditioning motor driver (41) to drive a fan coil (42) to operate according to the temperature control signal of the master control machine (63) so as to reach the preset temperature; if the infrared sensor (34) detects that no person is in the energy-saving subarea (1), the temperature control signal is transmitted to each DALI slave control machine (62) through the DALI bus (61) by the master control machine (63), and each DALI slave control machine (62) controls the air conditioner motor driver (41) to close the fan coil (42) after the preset time according to the temperature control signal of the master control machine (63).
12. The control method of the open office area energy-saving control system according to claim 11, wherein the control method further comprises manual control, namely, the light control signal and/or the temperature control signal can be manually transmitted to the infrared receiver (65) on the DALI bus (61) through an infrared remote controller, the infrared receiver (65) transmits the signal to the master control machine (63) through the DALI bus, and the master control machine (63) transmits the corresponding signal to each DALI slave control machine (62) to complete the manual control of the corresponding illumination and/or temperature of each energy-saving sub-area (1).
13. The control method of the open office area energy-saving control system according to claim 12, wherein the control method further comprises manual control of the corresponding illuminance of each seat (7) area of the energy-saving partition (1), that is, a light control signal for adjusting the illuminance of a certain seat (7) area is manually transmitted to the infrared receiver (65) on the DALI bus (61) through the infrared remote controller, the infrared receiver (65) transmits the signal to the master control machine (63) through the DALI bus, and the master control machine (63) transmits the corresponding signal to the DALI slave control machine (62) corresponding to the seat (7) to complete the manual control of the corresponding illuminance of the seat (7) area.
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