CN113446719A - Intelligent building temperature control system - Google Patents
Intelligent building temperature control system Download PDFInfo
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- CN113446719A CN113446719A CN202110559187.9A CN202110559187A CN113446719A CN 113446719 A CN113446719 A CN 113446719A CN 202110559187 A CN202110559187 A CN 202110559187A CN 113446719 A CN113446719 A CN 113446719A
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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
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
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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
- F24F2110/12—Temperature of the outside air
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Abstract
The application relates to an intelligent building temperature control system, which comprises a refrigeration system ventilation system, an operation unit, an indoor and outdoor temperature detection unit and a control unit; the refrigerating system operates to send cold air into the room, and the ventilating system operates to send outdoor air into the room; the operation unit outputs a refrigeration signal and a set temperature value based on the operation of a user; the indoor and outdoor temperature detection unit is used for detecting indoor and outdoor temperature values and correspondingly outputting the indoor temperature value and the outdoor temperature value; the control unit responds to the refrigeration signal to acquire an indoor temperature value, an outdoor temperature value and a set temperature value; if the indoor temperature value is higher than the outdoor temperature value, the control unit controls the ventilation system to operate firstly and then controls the refrigeration system to operate. The indoor and outdoor temperature difference is preferentially utilized to be matched with the ventilation system to adjust the indoor temperature value, and then the refrigerating system or the heating system is controlled to operate or not according to the actual situation, so that the energy consumption required for adjusting the indoor temperature value is reduced.
Description
Technical Field
The application relates to the field of building temperature control, in particular to an intelligent building temperature control system.
Background
Modern buildings are often provided with a central air conditioning system consisting of one or more cold and heat source systems and a plurality of air conditioning systems. Wherein, cold and hot source system includes refrigerating system and heating system.
The central air-conditioning system inputs cold air or hot air to the room through the cold and heat source system according to the selection of the user, so that the indoor temperature value is adjusted to be comfortable for the user according to the selection of the user; meanwhile, the air conditioning system is operated according to the user's selection to supply fresh air from the outside to the inside.
With the great popularization of central air-conditioning systems, energy consumption is rapidly increasing, and central air-conditioning systems with low energy consumption are urgently needed.
Disclosure of Invention
In order to reduce the required energy consumption of regulation indoor temperature value, this application provides an intelligent building temperature control system.
The application provides a pair of intelligent building temperature control system adopts following technical scheme:
an intelligent building temperature control system comprises a refrigeration system and a ventilation system; the cooling system operates to send cold air into the room, and the ventilation system operates to send outdoor air into the room; the indoor and outdoor temperature detection device also comprises an operation unit, an indoor and outdoor temperature detection unit and a control unit;
the operation unit outputs an operation signal and/or a set temperature value based on the operation of a user; wherein the operation signal comprises a refrigeration signal;
the indoor and outdoor temperature detection unit is used for detecting indoor and outdoor temperatures and correspondingly outputting an indoor temperature value and an outdoor temperature value;
the control unit responds to the refrigeration signal to obtain an indoor temperature value, an outdoor temperature value and a set temperature value and judge;
the control unit is used for controlling the ventilation system to operate when the indoor temperature value is higher than the outdoor temperature value, meanwhile, the control unit continuously monitors the indoor temperature value, and if the indoor temperature value rises or the change speed of the indoor temperature value is lower than a preset value, the control unit controls the ventilation system to stop operating and controls the refrigeration system to operate;
the control unit is used for controlling the operation of the refrigeration system when the indoor temperature value is lower than or equal to the outdoor temperature value and the indoor temperature value is higher than the set temperature value.
By adopting the technical scheme, when a user wants to reduce the indoor temperature value to a specific value, the user outputs a refrigeration signal and a set temperature value through the operation unit; at the moment, if the outdoor temperature value is lower than the indoor temperature value, the control unit firstly controls the ventilation system to operate, and sends air with a lower outdoor temperature value into the room, so that the indoor temperature value is reduced from a higher temperature value to a lower temperature value;
if the indoor temperature value can be reduced to the set temperature value, the refrigerating system does not work; if the indoor temperature value is still higher than the set temperature value, the control unit controls the operation of the refrigerating system again, so that the indoor temperature value is reduced to the set temperature value again from the lower temperature value;
compared with the direct operation of the refrigerating system to reduce the indoor temperature value, the technical scheme preferentially utilizes the indoor and outdoor temperature difference to be matched with the ventilating system to realize indoor temperature reduction, and controls whether the refrigerating system operates or not according to the actual situation, thereby being beneficial to reducing the energy consumption required by adjusting the indoor temperature value.
Preferably, the control unit comprises a temperature judgment module, an indoor temperature cache module and a main control module;
the temperature judgment module responds to the refrigeration signal to acquire an indoor temperature value, an outdoor temperature value and a set temperature value; if the outdoor temperature value is lower than the indoor temperature value, the temperature judgment module outputs a refrigeration suspension signal; if the indoor temperature value is higher than the set temperature value, the temperature judgment module outputs a refrigeration starting signal;
the indoor temperature caching module responds to the refrigeration signal, and obtains and records a current indoor temperature value at preset time intervals; if the indoor temperature value recorded later is higher than the indoor temperature value recorded first, the indoor temperature caching module outputs a refrigeration preparation signal;
the main control module responds to a refrigeration suspension signal to control the operation of the ventilation system;
the main control module responds to the refrigeration preparation signal and the refrigeration starting signal to control the ventilation system to stop running and control the refrigeration system to run.
By adopting the technical scheme, generally, in one day, the highest air temperature appears about 2 hours in the afternoon, and the lowest air temperature appears before and after sunrise; i.e., the outdoor temperature value gradually increases in the morning.
When a user wants to reduce the indoor temperature value to a specific value in the morning, if the outdoor temperature value is lower than the indoor temperature value, the control unit firstly controls the ventilation system to operate, and air with lower outdoor temperature value is sent into the room to reduce the indoor temperature value; as time goes by, the outdoor temperature value gradually increases, that is, the temperature value of the air sent from the outdoor to the indoor increases, which may result in an increase in the indoor temperature value.
At the moment, the indoor temperature cache module outputs a refrigeration preparation signal, and the main control module controls the ventilation system to stop running; and then, controlling whether the refrigerating system operates or not according to the indoor temperature value and the set temperature value. The indoor temperature reduction is realized by preferentially utilizing the indoor and outdoor temperature difference to be matched with the ventilation system, and then whether the refrigeration system operates or not is controlled according to the actual situation.
Preferably, the indoor temperature cache module only records two indoor temperature values, and the current indoor temperature value covers one of the two recorded indoor temperature values which is recorded first.
By adopting the technical scheme, the indoor temperature caching module only records two indoor temperature values, so that whether the indoor temperature values recorded after comparison are higher than the indoor temperature values recorded firstly is facilitated, and a refrigeration preparation signal is output or not output.
Preferably, a temperature difference interval is preset in the indoor temperature cache module; the indoor temperature caching module responds to the refrigeration signal, and if the difference value of the two recorded indoor temperature values falls into the temperature difference interval, the indoor temperature caching module outputs a refrigeration preparation signal.
Through adopting above-mentioned technical scheme, when utilizing indoor outer difference in temperature cooperation ventilation system to realize indoor cooling: the indoor temperature value is quickly reduced, and the difference value of the two recorded indoor temperature values does not fall into the temperature difference interval; when the indoor temperature value is slightly higher than the outdoor temperature value, the reduction speed of the indoor temperature value is obviously slowed down, at the moment, the difference value of the two recorded indoor temperature values falls into the temperature difference interval, and the internal temperature caching module outputs a refrigeration preparation signal.
When the indoor temperature value is slightly higher than the outdoor temperature value, the indoor air and the outdoor air are exchanged only through the ventilation system so that the indoor temperature value is reduced, the energy consumption ratio of the ventilation system to the indoor cooling amplitude is large, and the reduction of the energy consumption is not facilitated.
Preferably, the system further comprises a heating system; the heating system operates to send hot air into the room; the operation signal further comprises a heating signal;
the control unit responds to the heating signal to obtain an indoor temperature value, an outdoor temperature value and a set temperature value and judge;
the control unit is used for controlling the ventilation system to operate when the indoor temperature value is higher than the outdoor temperature value, meanwhile, the control unit continuously monitors the indoor temperature value, and if the indoor temperature value is reduced or the change speed of the indoor temperature value is lower than a preset value, the control unit controls the ventilation system to stop operating and controls the heating system to operate;
the control unit is used for controlling the heating system to operate when the indoor temperature value is higher than or equal to the outdoor temperature value and the indoor temperature value is lower than the set temperature value.
By adopting the technical scheme, when a user wants to enable the indoor temperature value to rise to a specific value, the user outputs a heating signal and a set temperature value through the operation unit; at the moment, if the outdoor temperature value is higher than the indoor temperature value, the control unit firstly controls the ventilation system to operate, and sends air with higher outdoor temperature value into the room, so that the temperature in the room is increased from the lower temperature value to the higher temperature value;
if the indoor temperature value can be increased to the set temperature value, the heating system does not work; if the indoor temperature value is still lower than the set temperature value, the control unit controls the heating system to operate again, so that the indoor temperature value is increased to the set temperature value again from the higher temperature value;
compared with the heating system which directly operates to raise the indoor temperature value, the technical scheme preferentially utilizes the indoor and outdoor temperature difference to be matched with the ventilation system to realize indoor temperature rise, and controls whether the heating system operates or not according to the actual situation, thereby being beneficial to reducing the energy consumption required by adjusting the indoor temperature value.
Preferably, the control unit comprises a temperature judgment module, an indoor temperature cache module and a main control module;
the temperature judgment module responds to the heating signal to acquire an indoor temperature value, an outdoor temperature value and a set temperature value; if the outdoor temperature value is higher than the indoor temperature value, the temperature judgment module outputs a heating suspension signal; if the indoor temperature value is lower than the set temperature value, the temperature judgment module outputs a heating starting signal;
the indoor temperature caching module responds to the heating signal, and obtains and records a current indoor temperature value once at preset time intervals; if the indoor temperature value recorded later is lower than the indoor temperature value recorded first, the indoor temperature cache module outputs a heating preparation signal;
the main control module responds to the heating suspension signal to control the operation of the ventilation system;
the main control module responds to the heating preparation signal and the heating starting signal to control the ventilation system to stop running and control the heating system to run.
By adopting the technical scheme, generally, in one day, the highest air temperature appears about 2 hours in the afternoon, and the lowest air temperature appears before and after sunrise; i.e., the outdoor temperature value gradually increases in the morning.
When a user wants to reduce the indoor temperature value to a specific value in the afternoon, if the outdoor temperature value is higher than the indoor temperature value, the main control module firstly controls the ventilation system to operate, and air with higher outdoor temperature value is sent into the room to increase the indoor temperature value; as time goes by, the outdoor temperature value gradually decreases, that is, the temperature value of the air sent from the outdoor to the indoor decreases, which may result in a decrease in the indoor temperature value.
At the moment, the indoor temperature cache module outputs a heating preparation signal, and the main control module controls the ventilation system to stop running; and then, controlling whether the heating system operates or not according to the indoor temperature value and the set temperature value. The indoor temperature rise is realized by preferentially utilizing the indoor and outdoor temperature difference and matching with the ventilation system, and then whether the heating system operates or not is controlled according to the actual situation.
Preferably, the indoor temperature cache module only records two indoor temperature values, and the current indoor temperature value covers one of the two recorded indoor temperature values which is recorded first.
By adopting the technical scheme, the indoor temperature caching module only records two indoor temperature values, so that whether the indoor temperature values recorded after comparison are lower than the indoor temperature values recorded firstly is facilitated, and a heating preparation signal is output or not output.
Preferably, a temperature difference interval is preset in the indoor temperature cache module; the indoor temperature caching module responds to the heating record signal, and if the difference value of the two recorded indoor temperature values falls into the temperature difference interval, the indoor temperature caching module outputs a heating preparation signal.
Through adopting above-mentioned technical scheme, when utilizing indoor outer difference in temperature cooperation ventilation system to realize indoor intensification: the indoor temperature value is quickly increased, and the difference value of the two recorded indoor temperature values does not fall into the temperature difference interval; when the indoor temperature value is slightly lower than the outdoor temperature value, the rising speed of the indoor temperature value is obviously slowed down, at the moment, the difference value of the two recorded indoor temperature values falls into the temperature difference interval, and the internal temperature caching module outputs a heating preparation signal.
When the indoor temperature value is slightly lower than the outdoor temperature value, the indoor air and the outdoor air are exchanged only through the ventilation system, so that the energy consumption ratio of the ventilation system to the indoor cooling amplitude is large, and the reduction of the energy consumption is not facilitated.
Preferably, the operation signal further comprises a ventilation signal;
the control unit is responsive to the ventilation signal to control operation of the ventilation system.
By adopting the technical scheme, the ventilation system operates according to the selection of a user so as to send fresh air outside into the room.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when a user wants to maintain the indoor temperature value at a specific value, the user preferably utilizes the indoor and outdoor temperature difference to match with the ventilation system to adjust the indoor temperature value, and then controls whether the refrigeration system or the heating system operates according to the actual situation so as to reduce the energy consumption required by adjusting the indoor temperature value.
Drawings
Fig. 1 is a schematic diagram of an intelligent building temperature control system.
Description of reference numerals: 1. an operation unit; 2. a control unit; 21. a temperature judgment module; 22. an indoor temperature cache module; 23. a main control module; 3. a refrigeration system; 4. a heating system; 5. a ventilation system; 6. indoor outer temperature detection unit.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
Referring to fig. 1, the embodiment of the present application discloses an intelligent building temperature control system, which includes an operation unit 1, a control unit 2, a refrigeration system 3, a heating system 4, and a ventilation system 5.
The operation unit 1 can adopt a remote controller, and outputs an operation signal and a set temperature value based on the operation of a user; wherein the operation signal comprises a refrigeration signal, a heating signal and a ventilation signal; meanwhile, when the operation unit 1 outputs a refrigeration signal, a set temperature value is synchronously output; when the operation unit 1 outputs the heating signal, the set temperature value is also synchronously output.
The control unit 2 responds to the ventilation signal to control the operation of the ventilation system 5, so as to realize the fresh air outside the room into the room. The control unit 2 is also used for controlling the operation of the refrigerating system 3 or the heating system 4, and sending cold air or hot air into the room to reduce or increase the indoor temperature value.
The intelligent building temperature control system also comprises an indoor and outdoor temperature detection unit 6. The indoor and outdoor temperature detecting unit 6 is used for detecting indoor and outdoor temperature values and correspondingly outputting an indoor temperature value and an outdoor temperature value.
When a user wants to reduce the indoor temperature value to a specific value, the user outputs a refrigeration signal and a set temperature value to the control unit 2 through the operation unit 1. The control unit 2 includes a temperature determination module 21, an indoor temperature buffer module 22, and a main control module 23.
The temperature judgment module 21 is used for acquiring an indoor temperature value, an outdoor temperature value and a set temperature value; the temperature judgment module 21 responds to the refrigeration signal, and if the outdoor temperature value is lower than the indoor temperature value, the temperature judgment module 21 outputs a refrigeration suspension signal; if the indoor temperature value is higher than the set temperature value, the temperature determination module 21 outputs a refrigeration start signal. Meanwhile, the temperature determination module 21 may output a refrigeration suspending signal and a refrigeration starting signal at the same time.
The main control module 23 responds to the refrigeration suspension signal to control the operation of the ventilation system 5, and sends air with a lower outdoor temperature value into the room to reduce the indoor temperature value.
The indoor temperature cache module 22 is used for acquiring and recording a current indoor temperature value at preset time intervals; and a temperature difference interval is preset in the indoor temperature buffer module 22. Meanwhile, the indoor temperature buffer module 22 only records two indoor temperature values, and the current indoor temperature value covers one of the two recorded indoor temperature values that is recorded first. For example: the indoor temperature buffer module 22 records the indoor temperature value every 1 second, the indoor temperature value recorded in the 3 rd second covers the indoor temperature value recorded in the 1 st second, the indoor temperature value recorded in the 4 th second covers the indoor temperature value recorded in the 2 nd second, and so on.
The indoor temperature buffer module 22 responds to the refrigeration signal, and if the indoor temperature value recorded later is higher than the indoor temperature value recorded first or if the difference value of the two recorded indoor temperature values falls into the temperature difference interval, the indoor temperature buffer module 22 outputs a refrigeration preparation signal.
The main control module 23 responds to the cooling suspension signal to control the operation of the ventilation system 5 to supply outdoor air into the room. At this time, if the indoor temperature value recorded later is higher than the indoor temperature value recorded first, it is determined that the indoor temperature value has a tendency to rise due to the operation of the ventilation system 5; meanwhile, if the indoor temperature value is higher than the set temperature value, the main control module 23 controls the ventilation system 5 to stop operating and controls the refrigeration system 3 to operate in response to the refrigeration start signal and the refrigeration preparation signal.
The difference value of the two indoor temperature values recorded by the indoor temperature cache module 22 can be used for representing the change rate of the indoor temperature values, the ventilation system 5 starts to operate at the initial stage, the indoor and outdoor temperature difference is large, the indoor temperature value is rapidly reduced, the reduction speed of the indoor temperature value is obviously slowed down until the indoor temperature value is slightly higher than the outdoor temperature value, and at the moment, the indoor temperature value can be reduced basically by the ventilation system 5; meanwhile, if the indoor temperature value is higher than the set temperature value, the main control module 23 controls the ventilation system 5 to stop operating and controls the refrigeration system 3 to operate in response to the refrigeration start signal and the refrigeration preparation signal.
If the main control module 23 receives only one of the refrigeration start signal or the refrigeration preparation signal, the main control module 23 does not respond.
In the use process, the outdoor temperature value suddenly drops, such as: after a thunderstorm occurs. Before the outdoor temperature value suddenly drops, the refrigerating system 3 operates to maintain the indoor temperature value at the set temperature value; after the sudden drop in the outdoor temperature value, the outdoor temperature value may be lower than the indoor temperature value and the set temperature value. At this time, the temperature determination module 21 outputs the refrigeration suspending signal, and the temperature determination module 21 does not output the refrigeration starting signal, so that the main control module 23 controls the refrigeration system 3 to stop operating.
When a user wants to increase the indoor temperature value to a specific value, the user outputs a heating signal and a set temperature value to the control unit 2 through the operation unit 1.
The temperature judgment module 21 responds to the heating signal, and if the outdoor temperature value is higher than the indoor temperature value, the temperature judgment module 21 outputs a heating suspension signal; if the indoor temperature value is lower than the set temperature value, the temperature determination module 21 outputs a heating start signal. Meanwhile, the temperature determination module 21 may output the heating suspension signal and the heating start signal at the same time.
The main control module 23 responds to the heating suspension signal to control the operation of the ventilation system 5, and sends air with a high outdoor temperature value into the room to raise the indoor temperature value.
The indoor temperature buffer module 22 responds to the heating signal, and if the indoor temperature value recorded later is lower than the indoor temperature value recorded first or if the difference value of the two recorded indoor temperature values falls into the temperature difference interval, the indoor temperature buffer module 22 outputs a heating preparation signal.
The main control module 23 responds to the heating suspension signal to control the operation of the ventilation system 5 to send outdoor air into the room. At this time, if the indoor temperature value recorded later is lower than the indoor temperature value recorded first, it is determined that the indoor temperature value has a tendency of decreasing due to the operation of the ventilation system 5; meanwhile, if the indoor temperature value is lower than the set temperature value, the main control module 23 responds to the heating start signal and the heating preparation signal, controls the ventilation system 5 to stop operating, and controls the heating system 4 to operate.
At the initial stage of starting operation of the ventilation system 5, the indoor and outdoor temperature difference is large, the indoor temperature value is rapidly increased until the indoor temperature value is slightly lower than the outdoor temperature value, the increasing speed of the indoor temperature value is obviously slowed down, and at the moment, the indoor temperature value cannot be increased again basically only by the ventilation system 5; meanwhile, if the indoor temperature value is lower than the set temperature value, the main control module 23 responds to the heating start signal and the heating preparation signal, controls the ventilation system 5 to stop operating, and controls the heating system 4 to operate.
If the main control module 23 receives only one of the heating start signal or the heating preparation signal, the main control module 23 does not respond.
In the use process, the outdoor temperature value is increased, such as: in one day, the highest air temperature appears at about 2 pm, and the lowest air temperature appears before and after sunrise, so that the outdoor temperature value gradually rises in the morning. Before the outdoor temperature rises, the heating system 4 is operated, so that the indoor temperature value is maintained at the set temperature value; after the outdoor temperature value increases, the outdoor temperature value may be higher than the indoor temperature value and the set temperature value. At this time, the temperature determination module 21 outputs the heating suspension signal, and the temperature determination module 21 does not output the heating start signal, so that the main control module 23 controls the heating system 4 to stop operating.
The implementation principle of the intelligent building temperature control system in the embodiment of the application is as follows: when a user wants to maintain the indoor temperature value at a specific value, the user preferably utilizes the indoor and outdoor temperature difference to cooperate with the ventilation system 5 to adjust the indoor temperature value, and then controls whether the refrigeration system 3 or the heating system 4 operates according to the actual situation, so as to reduce the energy consumption required by adjusting the indoor temperature value.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. An intelligent building temperature control system comprises a refrigeration system (3) and a ventilation system (5); the refrigerating system (3) is operated to send cold air into the room, and the ventilating system (5) is operated to send outdoor air into the room; the method is characterized in that: the indoor and outdoor temperature detection device also comprises an operation unit (1), an indoor and outdoor temperature detection unit (6) and a control unit (2);
the operation unit (1) outputs an operation signal and/or a set temperature value based on the operation of a user; wherein the operation signal comprises a refrigeration signal;
the indoor and outdoor temperature detection unit (6) is used for detecting indoor and outdoor temperatures and correspondingly outputting an indoor temperature value and an outdoor temperature value;
the control unit (2) responds to the refrigeration signal to obtain an indoor temperature value, an outdoor temperature value and a set temperature value and judge;
the control unit (2) is used for controlling the ventilation system (5) to operate when the indoor temperature value is higher than the outdoor temperature value, meanwhile, the control unit (2) continuously monitors the indoor temperature value, and if the indoor temperature value rises or the change speed of the indoor temperature value is lower than a preset value, the control unit (2) controls the ventilation system (5) to stop operating and controls the refrigeration system (3) to operate;
the control unit (2) is used for controlling the operation of the refrigerating system (3) when the indoor temperature value is lower than or equal to the outdoor temperature value and the indoor temperature value is higher than the set temperature value.
2. The intelligent building temperature control system of claim 1, wherein: the control unit (2) comprises a temperature judgment module (21), an indoor temperature cache module (22) and a main control module (23);
the temperature judgment module (21) responds to the refrigeration signal to acquire an indoor temperature value, an outdoor temperature value and a set temperature value; if the outdoor temperature value is lower than the indoor temperature value, the temperature judgment module (21) outputs a refrigeration suspension signal; if the indoor temperature value is higher than the set temperature value, the temperature judgment module (21) outputs a refrigeration starting signal;
the indoor temperature caching module (22) responds to the refrigeration signal, and obtains and records a current indoor temperature value once at preset time intervals; if the indoor temperature value recorded later is higher than the indoor temperature value recorded first, the indoor temperature caching module (22) outputs a refrigeration preparation signal;
the main control module (23) responds to a refrigeration suspension signal to control the ventilation system (5) to operate;
the main control module (23) responds to the refrigeration preparation signal and the refrigeration starting signal to control the ventilation system (5) to stop running and control the refrigeration system (3) to run.
3. The intelligent building temperature control system of claim 2, wherein: the indoor temperature caching module (22) only records two indoor temperature values, and the current indoor temperature value covers one of the two recorded indoor temperature values which is recorded first.
4. The intelligent building temperature control system of claim 3, wherein: a temperature difference interval is preset in the indoor temperature cache module (22); indoor temperature buffer module (22) respond to the refrigeration signal, if the difference of two indoor temperature values of record falls into the difference in temperature interval, then indoor temperature buffer module (22) output refrigeration prepares the signal.
5. The intelligent building temperature control system of claim 1, wherein: also comprises a heating system (4); the heating system (4) is operated to send hot air into the room; the operation signal further comprises a heating signal;
the control unit (2) responds to the heating signal to obtain an indoor temperature value, an outdoor temperature value and a set temperature value and judge;
the control unit (2) is used for controlling the ventilation system (5) to operate when the indoor temperature value is higher than the outdoor temperature value, meanwhile, the control unit (2) continuously monitors the indoor temperature value, and if the indoor temperature value is reduced or the change speed of the indoor temperature value is lower than a preset value, the control unit (2) controls the ventilation system (5) to stop operating and controls the heating system (4) to operate;
and the control unit (2) is used for controlling the heating system (4) to operate when the indoor temperature value is higher than or equal to the outdoor temperature value and the indoor temperature value is lower than the set temperature value.
6. The intelligent building temperature control system of claim 5, wherein: the control unit (2) comprises a temperature judgment module (21), an indoor temperature cache module (22) and a main control module (23);
the temperature judgment module (21) responds to the heating signal to acquire an indoor temperature value, an outdoor temperature value and a set temperature value; if the outdoor temperature value is higher than the indoor temperature value, the temperature judgment module (21) outputs a heating suspension signal; if the indoor temperature value is lower than the set temperature value, the temperature judgment module (21) outputs a heating starting signal;
the indoor temperature caching module (22) responds to the heating signal, and obtains and records a current indoor temperature value once at preset time intervals; if the indoor temperature value recorded later is lower than the indoor temperature value recorded first, the indoor temperature caching module (22) outputs a heating preparation signal;
the main control module (23) responds to a heating suspension signal to control the ventilation system (5) to operate;
the main control module (23) responds to the heating preparation signal and the heating starting signal to control the ventilation system (5) to stop running and control the heating system (4) to run.
7. The intelligent building temperature control system of claim 6, wherein: the indoor temperature caching module (22) only records two indoor temperature values, and the current indoor temperature value covers one of the two recorded indoor temperature values which is recorded first.
8. The intelligent building temperature control system of claim 7, wherein: a temperature difference interval is preset in the indoor temperature cache module (22); indoor temperature buffer module (22) are responded to and are heated the record signal, if the difference of two indoor temperature values of record falls into the difference in temperature interval, then indoor temperature buffer module (22) output heats and prepare the signal.
9. The intelligent building temperature control system of claim 1, wherein: the operating signal further comprises a ventilation signal;
the control unit (2) is responsive to a ventilation signal to control operation of the ventilation system (5).
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| CN202110559187.9A CN113446719A (en) | 2021-05-21 | 2021-05-21 | Intelligent building temperature control system |
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| CN202110559187.9A CN113446719A (en) | 2021-05-21 | 2021-05-21 | Intelligent building temperature control system |
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| CN202902540U (en) * | 2012-08-06 | 2013-04-24 | 广州科创节能科技服务有限公司 | Indoor intelligent temperature control system |
| CN110377075A (en) * | 2019-07-19 | 2019-10-25 | 重庆工商职业学院 | Indoor intelligent temperature control system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202902540U (en) * | 2012-08-06 | 2013-04-24 | 广州科创节能科技服务有限公司 | Indoor intelligent temperature control system |
| CN110377075A (en) * | 2019-07-19 | 2019-10-25 | 重庆工商职业学院 | Indoor intelligent temperature control system |
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Application publication date: 20210928 |