CN110864391B - Intelligent cinema ventilation device and control system - Google Patents
Intelligent cinema ventilation device and control system Download PDFInfo
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- CN110864391B CN110864391B CN201911205479.1A CN201911205479A CN110864391B CN 110864391 B CN110864391 B CN 110864391B CN 201911205479 A CN201911205479 A CN 201911205479A CN 110864391 B CN110864391 B CN 110864391B
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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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0254—Ducting arrangements characterised by their mounting means, e.g. supports
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
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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
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
- Ventilation (AREA)
Abstract
The invention relates to an intelligent cinema ventilation device and a control system, and aims to solve the problems of poor ventilation effect and energy waste caused by the fact that ventilation equipment in a conventional cinema projection hall is not opened in a targeted manner. The control device comprises a first ventilation device, a second ventilation device, a third ventilation device and a total ventilation device, wherein the first ventilation device, the second ventilation device and the third ventilation device are respectively arranged on the wall corresponding to the front third row, the side wall corresponding to the middle third row and the side wall corresponding to the rear third row of the projection hall; the general ventilation equipment is arranged on the top wall in the middle of the projection hall, and the general ventilation equipment and the top wall of the projection hall are rotatably arranged. The ventilation system includes a seating detection unit, a control unit, and a ventilation device. The invention has the advantages that the ventilation area can be accurately controlled according to the sitting condition of people in the theater, the ventilation effect is ensured, and the energy-saving effect is achieved.
Description
Technical Field
The invention relates to the technical field of cinema ventilation systems, in particular to a cinema intelligent ventilation device and a control system.
Background
With the development of science and technology and the improvement of living standard of people, watching movies becomes an important activity for people to enjoy leisure and entertainment, a cinema is used as a crowd gathering place, a ventilation system is an indispensable arrangement for ensuring the comfort and safety of people, but the sitting rate in a cinema showing room is variable, and the same equipment such as light, ventilation and the like can be used in the cinema of the cinema no matter how much the sitting rate is, so that not only is the sitting rate insufficient, but also the resource waste is caused; moreover, too strong ventilation or the like may also cause audio-visual interference to people.
The present invention, which is not intended to solve the above problems, is a ventilation control device for a theater and a system thereof, according to CN108895592A, wherein the ventilation control device for a theater includes: when the seat is used, the weight sensor detects the weight value of a seat with a person sitting on the seat, generates a sitting signal according to the weight value and sends the sitting signal to the central processor, the central processor calculates the percentage of the sitting signal in the total number of the seats, compares the percentage with a preset threshold range, and controls the ventilation equipment at the first height position to be started when the percentage is greater than the upper limit of the threshold range; and when the percentage is less than the lower limit of the threshold range, controlling the ventilation device at the third height position to be started.
Through the treatment, the purpose of opening different ventilation equipment according to different seat-loading rates is achieved, and convenience and energy conservation are achieved. However, the control method analyzes the seating rate of the whole auditorium, and the ventilation equipment is opened according to the whole seating rate, but the distribution positions of audiences in the auditorium are generally random, and the method can only control the number of the opened ventilation equipment but cannot control the opening positions of the ventilation equipment according to the distribution condition of personnel, so that the opening of the ventilation equipment is not targeted, and if the ventilation equipment is opened in an area with less personnel, the ventilation at the area position with more personnel cannot be ensured, and the waste of energy is caused.
Disclosure of Invention
One of the objects of the present invention is to provide an intelligent ventilation device for cinema, which can precisely control the ventilation area according to the seating condition of people in a theater, and has the effect of energy saving while ensuring the ventilation effect.
The first object of the present invention is achieved by the following technical solutions:
an intelligent cinema ventilation device comprises a first ventilation device, a second ventilation device, a third ventilation device and a total ventilation device, wherein the first ventilation device, the second ventilation device and the third ventilation device are respectively arranged on a wall corresponding to a front third row of a projection hall, a side wall corresponding to a middle third row and a side wall corresponding to a rear third row, and the height change rules of the first ventilation device, the second ventilation device and the third ventilation device are adapted to the height change rule between corresponding seats; the total ventilation equipment is arranged on the top wall in the middle of the projection hall, and the total ventilation equipment and the top wall of the projection hall are rotatably arranged.
By adopting the technical scheme, the ventilation equipment is arranged in different areas, so that different ventilation equipment can replace air in the areas corresponding to the different ventilation equipment, the ventilation of the air in the areas is ensured in a short distance, the ventilation efficiency of the ventilation equipment is higher, the total ventilation equipment is arranged on the top wall of the projection hall and can rotate relative to the top wall of the projection hall, the position of the total ventilation equipment on the top wall is changed through the rotation of the total ventilation equipment, the total ventilation equipment can be just over the positions of the areas, even if people are few, the first ventilation equipment, the second ventilation equipment and the third ventilation equipment are not opened, the air in each area can be updated and replaced by only opening the total ventilation equipment, the ventilation of different areas of the whole projection hall is ensured, and the energy-saving effect is better on the premise of ensuring the comfort level of personnel.
The invention is further configured to: the mounting column is axially and fixedly connected with the upper mounting plate and the lower mounting plate in a circumferential direction, penetrates through the lower mounting plate, one end below the lower mounting plate is horizontally connected with a cross rod, and the total ventilation equipment is arranged at the end part of the cross rod, which is far away from the mounting column; and the fixed frame is provided with a rotating mechanism for driving the mounting column to rotate.
By adopting the technical scheme, the C-shaped fixing frame is used for mounting the mounting column and other mechanisms related to mounting the total ventilation equipment, and the C-shaped fixing frame is directly connected with the top wall of the projection hall, so that the stable mounting of the total ventilation equipment is realized on the premise of ensuring the minimum connection damage to the top wall, the mounting is convenient, and the safety of the mounting structure is higher; the rotary mechanism drives the mounting column to rotate on the fixing frame, the cross rod drives the main ventilation equipment to rotate along with the rotation of the mounting column, and the rotating radius of the main ventilation equipment is changed by setting the length of the cross rod, so that the main ventilation equipment can ventilate in a larger range, and the air quality in the whole projection hall is ensured.
The invention is further configured to: the rotating mechanism comprises a driven gear coaxially connected to the mounting column, a servo motor arranged on the fixing frame and a driving gear coaxially connected to an output shaft of the servo motor, and the driving gear is meshed with the driven gear.
Through adopting above-mentioned technical scheme, servo motor drives the driving gear and rotates, and the rotation of driving gear drives driven gear and rotates, and driven gear's rotation and then drives erection column, horizontal pole and total ventilation equipment rotatory, realizes that total ventilation equipment carries out ventilation's purpose to this region from the different region sky.
The invention is further configured to: the air supply system is characterized by further comprising an air supply pipeline fixed on the top wall of the projection hall, wherein two rows of air supply holes are formed in the lower portion of the air supply pipeline, and the end portion of the air supply pipeline is connected with cooling and heating equipment outside the projection hall.
By adopting the technical scheme, the air supply pipeline can slowly supply cold air or hot air produced by the cooling and heating equipment into the projection hall, so that the projection hall is always in a proper temperature environment, and the viewing comfort of personnel is improved.
The invention is further configured to: the air supply pipeline is coiled at the top of the projection hall to form a U shape.
Through adopting above-mentioned technical scheme, the air supply duct of U-shaped can be followed the three orientation at projection room top and adjusted the ambient temperature in the projection room, cooperates the setting of two rows of supply-air vents, has guaranteed the ambient temperature in the whole projection room, and the shape simple structure of U-shaped, and processing manufacturing cost is lower.
Another object of the present invention is to provide an intelligent ventilation control system for a cinema, which can precisely control a ventilation area according to the seating condition of a person in a theater, and has an energy saving effect while ensuring a ventilation effect.
The second object of the present invention is achieved by the following technical solutions:
the intelligent cinema ventilation control system comprises the intelligent cinema ventilation device in the structure, a seating detection unit for detecting the number of persons seated in different areas in a theater to output seating quantity information of the corresponding areas, and a control unit which is coupled to the seating detection unit to receive the seating quantity information and control first ventilation equipment and/or second ventilation equipment and/or third ventilation equipment according to the seating quantity information;
the control unit divides the seating quantity information corresponding to different areas and the preset total seating data information of corresponding areas to form single-area seating rate information corresponding to the different areas; accumulating the total seating quantity information of each area and dividing the information by the total seating data information in a preset auditorium to form total seating rate information;
when the single-area seating rate information of any one area is larger than the preset reference seating rate information of the area, the control unit controls the ventilation equipment corresponding to the area to be started;
and when the total seating rate information is larger than zero and the single-area seating rate information of each area is smaller than or equal to the reference seating rate information of the corresponding area, the control unit controls the total ventilation equipment to start.
By adopting the technical scheme, the sitting detection unit accurately detects the sitting information corresponding to each area, and finally the information is converted into control over the ventilation equipment in different areas through the control unit, so that the ventilation equipment can be ensured to circulate air in the area in a short distance after being started, and the ventilation efficiency is higher; through setting up total ventilation equipment, even when the people is few, first ventilation equipment, second ventilation equipment and third ventilation equipment do not all open, also can be through only opening total ventilation equipment to come the replacement of updating the air in each region, guarantee the circulation of air in the different regions in whole auditorium, under the prerequisite of guaranteeing personnel's comfort level, energy-conserving effect is better.
The invention is further configured to: the control unit controls the servo motor to rotate when controlling the total ventilation equipment to start, and the control unit controls the servo motor to stop for 5min when the servo motor rotates for one circle, and the mounting column rotates for 90 degrees when the servo motor rotates for one circle.
By adopting the technical scheme, the servo motor respectively stops for 5min above the front area, the middle area and the rear area in the projection hall by rotating, so that the areas are fully ventilated, the air quality of each area is ensured, and the servo motor stops once every 5 minutes, so that the device is more energy-saving compared with the situation that the servo motor always rotates.
The invention is further configured to: the system also comprises a gas detection unit for detecting the concentration of carbon dioxide in the air of the auditorium, wherein the gas detection unit detects the carbon dioxide concentration information in the auditorium and sends the carbon dioxide concentration information to the control unit;
the control unit adjusts the rotation frequency of each ventilation device according to the carbon dioxide concentration information in the air: when the concentration of the carbon dioxide is higher than the upper limit of the preset value, the rotating frequency of the started ventilation equipment is increased; when the carbon dioxide concentration is lower than the lower limit of the preset value, the rotation frequency of the opened ventilation equipment is reduced.
Through adopting above-mentioned technical scheme, with the control of the final conversion of carbon dioxide concentration information to the ventilation equipment's that has opened frequency, intelligent degree is higher, more energy-conservation under the circumstances of guaranteeing personnel's comfort level.
The invention is further configured to: the system also comprises a temperature detection unit for detecting the air temperature of the auditorium, wherein the temperature detection unit sends the detected temperature information in the auditorium to the control unit;
when the temperature information is higher than the preset upper temperature threshold, the control unit controls the cooling and heating equipment to make cool air, and the cool air is sent to the projection hall through the air supply pipeline; when the air temperature information is lower than the lower limit of the set temperature threshold, the control unit controls the cooling and heating equipment to produce hot air, and the hot air is sent to the projection hall through the air supply pipeline.
Through adopting above-mentioned technical scheme, in time regulate and control the temperature in the projection room, guarantee personnel's sight shadow travelling comfort.
The invention is further configured to: the detection unit of taking a seat is including locating the weight sensor under each seat, gaseous detection unit is including locating gas detection appearance on the auditorium roof, temperature detecting element is including locating temperature sensor on the auditorium roof.
Through adopting above-mentioned technical scheme, carry out more accurate detection to the environment in the projection room, guarantee the accuracy of data, when guaranteeing ventilation efficiency, ensure the use comfort of seeing the shadow personnel.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the first ventilation equipment, the second ventilation equipment and the third ventilation equipment are arranged in different areas which are divided according to the height in the projection hall, and the ventilation and air exchange are carried out in the corresponding areas through the ventilation equipment at a short distance, so that the cleanness of air in the corresponding areas is ensured, and the ventilation and air exchange efficiency is higher;
2. by arranging the rotatable total ventilation equipment, the air above each area is ventilated in turn by the rotation of the total ventilation equipment, so that the air in different areas in the projection hall is ensured to be clean, the ventilation effect is better, and more energy is saved;
3. by arranging the air supply pipeline, the air supply pipeline can slowly supply cold air or hot air produced by the cooling and heating equipment into the projection hall, so that the projection hall is always in a proper temperature environment, and the viewing comfort of personnel is improved;
4. through the tight fit of the sitting detection unit, the gas detection unit, the temperature detection unit, the control unit and each ventilation device, the more accurate control of the ventilation position and frequency of each area is realized, or cold air or hot air is conveyed to the auditorium through an air supply pipeline so as to adjust the ambient temperature and the air quality in the auditorium and ensure the ambient comfort degree in the auditorium.
Drawings
Fig. 1 is a schematic view of the overall structure of a disclosed intelligent cinema ventilator according to an embodiment of the present invention.
Fig. 2 is a schematic view of the overall ventilation apparatus and its connection structure.
Fig. 3 is a flowchart of a system in which the seating detection unit detects seating data information and controls the opening of the ventilation device according to a second embodiment of the present invention.
Fig. 4 is a flow chart of a system for detecting carbon dioxide concentration information and controlling the frequency of the ventilator by the gas detection unit according to the second embodiment of the present invention.
Fig. 5 is a flow chart of a system in which a temperature detection unit detects information about the temperature of a theater and controls cooling and heating equipment to output cold air or hot air according to a second embodiment of the present invention.
In the figure, 1, a first ventilation device; 2. a second ventilation device; 3. a third ventilation device; 4. a total ventilation device; 5. a fixed mount; 51. an upper mounting plate; 52. a lower mounting plate; 53. a vertical plate; 6. a rotation mechanism; 61. a servo motor; 62. a driving gear; 63. a driven gear; 7. mounting a column; 8. a cross bar; 9. an air supply duct; 91. an air supply hole; 10. a gas detector; 11. a temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1, the intelligent cinema ventilation device disclosed by the invention comprises a first ventilation device 1, a second ventilation device 2, a third ventilation device 3 and a total ventilation device 4, wherein the first ventilation device 1, the second ventilation device 2 and the third ventilation device 3 are respectively arranged on a wall corresponding to a front third row of a projection hall, a side wall corresponding to a middle third row and a side wall corresponding to a rear third row, and the height change rules of the first ventilation device 1, the second ventilation device 2 and the third ventilation device 3 are adapted to the height change rules of corresponding seats; the general ventilation equipment 4 is arranged on the top wall in the middle of the auditorium, the general ventilation equipment 4 and the top wall of the auditorium are rotatably arranged, and the first ventilation equipment 1, the second ventilation equipment 2, the third ventilation equipment 3 and the general ventilation equipment 4 are exhaust fans.
With reference to fig. 2, the connection between the general ventilation device 4 and the auditorium ceiling is: an upper mounting plate 51, a lower mounting plate 52 arranged in parallel with the upper mounting plate 51, a vertical plate 53 vertically arranged between the upper mounting plate 51 and the lower mounting plate 52, the upper mounting plate 51, the vertical plate 53 and the lower mounting plate 52 are integrally arranged to form a C-shaped fixing frame 5, the upper mounting plate 51 is connected to the top wall of the projection hall through an expansion screw, the total ventilation equipment 4 further comprises a mounting column 7, the mounting column 7 is axially rotated and circumferentially fixedly connected with the upper mounting plate 51 and the lower mounting plate 52, the mounting column 7 penetrates through the lower mounting plate 52, a cross rod 8 is horizontally connected to one end below the lower mounting plate 52, and the total ventilation equipment 4 is arranged at the end part of the cross rod 8 far away from the mounting column 7; the fixed frame 5 is provided with a rotating mechanism 6 for driving the mounting column 7 to rotate.
Referring to fig. 2, the rotating mechanism 6 includes a driven gear 63 coaxially connected to the mounting post 7, a servo motor 61 provided on the fixed frame 5, and a driving gear 62 coaxially connected to an output shaft of the servo motor 61, and the driving gear 62 is engaged with the driven gear 63.
During the use, according to personnel's quantity in the projection hall and personnel's position of sitting, can open first ventilation equipment 1 alone, second ventilation equipment 2 or third ventilation equipment 3, also can open three ventilation equipment simultaneously, when each ventilation equipment is opened, can be preferentially, closely liftoff carry out ventilation in its region that corresponds, guarantee the circulation of air and the air in the corresponding region clean, ventilation's pertinence is stronger, ventilation equipment's ventilation efficiency is higher. Total ventilation equipment 4 sets up on the roof of projection hall, open total ventilation equipment 4, start servo motor 61, it drives driving gear 62 and rotates to make it, the rotation of driving gear 62 drives driven gear 63 and rotates, driven gear 63's rotation and then drive erection column 7, horizontal pole 8 and total ventilation equipment 4 are rotatory, change total ventilation equipment 4 position on the roof through total ventilation equipment 4's rotation, it can be just right above each regional position to make it, even when few, first ventilation equipment 1, second ventilation equipment 2 and third ventilation equipment 3 all do not open, also can be through only opening total ventilation equipment 4 and come the replacement of updating to the air in each region, guarantee the circulation of air in the different regions of whole projection hall, under the prerequisite of guaranteeing personnel's comfort level, energy-conserving effect is better.
Referring to fig. 1, in order to further ensure the appropriate temperature in the auditorium, an air supply duct 9 is fixed on the top wall of the auditorium, the air supply duct 9 is coiled in a U shape on the top of the auditorium, the distance between two parallel sections of the air supply duct 9 is equal to the distance between the two sections of the air supply duct 9 and the side wall of the auditorium which is closer to the two sections of the air supply duct 9, the other section of the air supply duct 9 is positioned right above the first one third row of seats of the auditorium, two rows of air supply holes 91 are arranged on two sides of the lower part of the air supply duct 9, and the end part of the air supply duct 9 is.
The air supply pipeline 9 is used for slowly supplying cold air or hot air produced by the cooling and heating equipment into the projection hall, so that the projection hall is always in a proper temperature environment, and the viewing comfort of personnel is improved. The U-shaped air supply pipeline 9 can adjust the ambient temperature in the auditorium from three directions at the top of the auditorium, and ensures the ambient temperature in the whole auditorium by matching with the arrangement of the two rows of air supply holes 91, and the U-shaped air supply pipeline has simple structure and lower processing and manufacturing cost.
The implementation principle of the embodiment of the invention is as follows: the first ventilation equipment 1, the second ventilation equipment 2 and the third ventilation equipment 3 are arranged in different areas which are divided according to the height in the projection hall, and the ventilation is performed in the corresponding areas through the ventilation equipment at a short distance, so that the air in the corresponding areas is ensured to be clean, and the ventilation efficiency is higher; in addition, through setting up rotatable total ventilation equipment 4, through total ventilation equipment 4's rotation, ventilate in turn in the sky at each region, guaranteed that the air in the different regions in the projecting hall is clean, the ventilation effect is better, and is more energy-conserving.
Example two
Referring to fig. 3, the embodiment of the present invention discloses a cinema intelligent ventilation control system, which includes devices, a seating detection unit, and a control unit in a cinema intelligent ventilation apparatus in the first embodiment, wherein the ventilation devices are electrically connected to the control unit; the sitting detection unit is used for detecting the number of people sitting on the corresponding floor in different areas in the auditorium so as to output the sitting number information of the corresponding area to the control unit; the control unit is used for receiving the seating quantity information fed back by the seating detection unit and controlling the opening and closing of the first ventilation equipment 1, the second ventilation equipment 2 and/or the third ventilation equipment 3 according to the seating quantity information.
And a seating detection unit including a weight sensor disposed under each seat, the weight sensor detecting whether a viewer is seated on the corresponding seat by sensing the weight on the seat.
The control unit comprises a central processing unit, a control unit and a control unit, wherein the central processing unit divides the seating quantity information corresponding to different areas and the preset total seating data information of corresponding areas to form single-area seating rate information corresponding to different areas; accumulating the total seating quantity information of each area and dividing the information by the total seating data information in a preset auditorium to form total seating rate information;
when the single-area seating rate information of any one area is larger than the preset reference seating rate information of the area, the control unit controls the ventilation equipment corresponding to the area to be started;
when the total seating rate information is larger than zero and the single-area seating rate information of each area is smaller than or equal to the reference seating rate information of the corresponding area, the control unit controls the total ventilation device 4 to be started, meanwhile, the control unit controls the servo motor 61 to rotate, the control unit controls the servo motor 61 to stop for 5min when rotating for each circle, and the mounting column 7 rotates for 90 degrees when the servo motor 61 rotates for each circle.
In order to solve the above problems, referring to fig. 4, a gas detection unit for detecting the carbon dioxide concentration in the air of the auditorium is further provided in the auditorium, and the gas detection unit includes a gas detector 10 fixed on the top wall of the auditorium, and detects the carbon dioxide concentration information in the auditorium and sends the carbon dioxide concentration information to a control unit; the control unit adjusts the rotation frequency of each ventilation device according to the carbon dioxide concentration information in the air: when the concentration of the carbon dioxide is higher than the upper limit of the preset value, the rotating frequency of the started ventilation equipment is increased; when the carbon dioxide concentration is lower than the lower limit of the preset value, the rotation frequency of the opened ventilation equipment is reduced. The carbon dioxide concentration information is finally converted into the control of the frequency of the opened ventilation equipment, the intelligent degree is higher, and more energy is saved under the condition of ensuring the comfort degree of people.
Referring to fig. 5, since the air quality in the auditorium may also affect the temperature in the auditorium, and too high and too low temperatures may cause discomfort to the audience, in order to solve the above problems, a temperature detection unit for detecting the air temperature is further disposed in the auditorium, the temperature detection unit sends the detected temperature information in the auditorium to a control unit, the temperature detection unit includes a temperature sensor 11, when the air temperature is higher than the upper limit of the set temperature threshold, the control unit controls the cooling and heating equipment to start to produce cool air, and sends the cool air to the auditorium through an air supply duct 9; when the air temperature is lower than the lower limit of the set temperature threshold, the control unit controls the cooling and heating equipment to start to produce hot air, and the hot air is sent to the auditorium through the air supply pipeline 9.
When the intelligent cinema ventilation control system is used for controlling cinema ventilation equipment, the tight fit of the sitting detection unit, the gas detection unit, the temperature detection unit, the control unit and each ventilation equipment is utilized to realize more accurate control on the ventilation position and frequency of each area, or cold air or hot air is conveyed to a projection hall through the air supply pipeline 9 so as to adjust the ambient temperature and the air quality in the projection hall, and the ambient comfort level in the projection hall is ensured.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a cinema intelligence ventilation unit which characterized in that: including ventilation unit, ventilation unit includes first ventilation equipment (1), second ventilation equipment (2) and third ventilation equipment (3), its characterized in that: the multifunctional seat is characterized by further comprising a total ventilation device (4), wherein the first ventilation device (1), the second ventilation device (2) and the third ventilation device (3) are respectively arranged on the wall corresponding to one third of the front row of the projection hall, the side wall corresponding to the middle third of the front row of the projection hall and the side wall corresponding to the rear third of the rear row of the projection hall, and the height change rules of the first ventilation device (1), the second ventilation device (2) and the third ventilation device (3) are adapted to the height change rules of the corresponding seats; the total ventilation equipment (4) is arranged on the top wall in the middle of the auditorium, and the total ventilation equipment (4) and the top wall of the auditorium are rotatably arranged;
an upper mounting plate (51), a lower mounting plate (52) arranged in parallel with the upper mounting plate (51), and a vertical plate (53) vertically arranged between the upper mounting plate (51) and the lower mounting plate (52) are arranged between the main ventilation equipment (4) and the top wall of the auditorium, the upper mounting plate (51), the vertical plate (53) and the lower mounting plate (52) are integrally arranged to form a C-shaped fixing frame (5), the upper mounting plate (51) is connected to the top wall of the auditorium and also comprises a mounting column (7), the mounting column (7) is axially rotated and circumferentially and fixedly connected with the upper mounting plate (51) and the lower mounting plate (52), the mounting column (7) penetrates through the lower mounting plate (52), one end of the lower part of the lower mounting plate (52) is horizontally connected with a cross bar (8), the total ventilation equipment (4) is arranged at the end part of the cross rod (8) far away from the mounting column (7); a rotating mechanism (6) for driving the mounting column (7) to rotate is arranged on the fixing frame (5);
the rotating mechanism (6) comprises a driven gear (63) coaxially connected to the mounting column (7), a servo motor (61) arranged on the fixing frame (5), and a driving gear (62) coaxially connected to an output shaft of the servo motor (61), and the driving gear (62) is meshed with the driven gear (63);
the system also comprises a sitting detection unit and a control unit, wherein the sitting detection unit is used for detecting the number of people sitting corresponding to different areas in the auditorium to output the sitting number information of the corresponding areas, and the control unit is coupled to the sitting detection unit to receive the sitting number information and control the first ventilation equipment (1), the second ventilation equipment (2) and/or the third ventilation equipment (3) according to the sitting number information;
the control unit divides the seating quantity information corresponding to different areas and the preset total seating data information of corresponding areas to form single-area seating rate information corresponding to the different areas; accumulating the total seating quantity information of each area and dividing the information by the total seating data information in a preset auditorium to form total seating rate information;
when the single-area seating rate information of any one area is larger than the preset reference seating rate information of the area, the control unit controls the ventilation equipment corresponding to the area to be started;
and when the total seating rate information is larger than zero and the single-area seating rate information of each area is smaller than or equal to the reference seating rate information of the corresponding area, the control unit controls the total ventilation equipment (4) to be started.
2. The intelligent cinema ventilation device according to claim 1, characterized in that: the air supply system is characterized by further comprising an air supply pipeline (9) fixed on the top wall of the auditorium, wherein two rows of air supply holes (91) are formed in the lower portion of the air supply pipeline (9), and the end portion of the air supply pipeline (9) is connected with cooling and heating equipment outside the auditorium.
3. The intelligent cinema ventilation device according to claim 2, characterized in that: the air supply pipeline (9) is coiled at the top of the projection hall to form a U shape.
4. The intelligent cinema ventilation device according to claim 1, characterized in that: the control unit controls the servo motor (61) to rotate when controlling the total ventilation equipment (4) to be started, the control unit controls the servo motor (61) to rotate for one circle every time, the stop time is 5min, the servo motor (61) rotates for one circle every time, and the mounting column (7) rotates for 90 degrees.
5. The intelligent cinema ventilation device according to claim 1, characterized in that: the system also comprises a gas detection unit for detecting the concentration of carbon dioxide in the air of the auditorium, wherein the gas detection unit detects the carbon dioxide concentration information in the auditorium and sends the carbon dioxide concentration information to the control unit;
the control unit adjusts the rotation frequency of each ventilation device according to the carbon dioxide concentration information in the air: when the concentration of the carbon dioxide is higher than the upper limit of the preset value, the rotating frequency of the started ventilation equipment is increased; when the carbon dioxide concentration is lower than the lower limit of the preset value, the rotation frequency of the opened ventilation equipment is reduced.
6. The intelligent cinema ventilation device according to claim 5, characterized in that: the system also comprises a temperature detection unit for detecting the air temperature of the auditorium, wherein the temperature detection unit sends the detected temperature information in the auditorium to the control unit;
when the temperature information is higher than the upper limit of the preset temperature threshold, the control unit controls the cooling and heating equipment to make cool air, and the cool air is sent to the projection hall through an air supply pipeline (9); when the air temperature information is lower than the lower limit of the set temperature threshold, the control unit controls the cooling and heating equipment to produce hot air, and the hot air is sent to the auditorium through an air supply pipeline (9).
7. The intelligent cinema ventilation device according to claim 6, characterized in that: the sitting detection unit comprises weight sensors arranged below the seats, the gas detection unit comprises a gas detector (10) arranged on the top wall of the auditorium, and the temperature detection unit comprises a temperature sensor (11) arranged on the top wall of the auditorium.
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| JP3427314B2 (en) * | 1995-03-15 | 2003-07-14 | 清水建設株式会社 | Air conditioner temperature controller |
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| CN103499138B (en) * | 2013-09-29 | 2015-11-18 | 中铁电气化局集团北京建筑工程有限公司武昌分公司 | A kind of volumed space building temperature control equipment and control method |
| CN203605385U (en) * | 2013-12-03 | 2014-05-21 | 苏州英科工程技术服务有限公司 | Air conditioner control system for supplying air to seats in terrace room |
| CN106321484A (en) * | 2016-08-30 | 2017-01-11 | 上海大学 | Suspension type double-end-control electric fan |
| CN107327173A (en) * | 2017-08-18 | 2017-11-07 | 四川英特空间影业有限公司 | Expandable type modularization intelligent Movie House |
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