CN112611099B - Central air-conditioning control system - Google Patents
Central air-conditioning control system Download PDFInfo
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- CN112611099B CN112611099B CN202011504475.6A CN202011504475A CN112611099B CN 112611099 B CN112611099 B CN 112611099B CN 202011504475 A CN202011504475 A CN 202011504475A CN 112611099 B CN112611099 B CN 112611099B
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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
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
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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)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to the technical field of air conditioner control, in particular to a central air conditioner control system, which comprises a user terminal, a server, an outdoor unit, a plurality of indoor units arranged in a room and control panels in signal connection with the indoor units, wherein the server comprises: the storage module is used for recording the refrigerating capacity ratio information of the outdoor unit, the position information of each indoor unit and the refrigerating capacity ratio information of each indoor unit in advance; the input module is used for acquiring a control instruction initiated by a user through the control panel and generating the running state of the indoor unit according to the control instruction; the processing module is used for receiving the position information and the refrigerating capacity ratio information of the indoor unit with the running state of starting up; calculating the sum of the refrigerating capacity ratio information to generate a first parameter; and the judging module is used for receiving the first parameter and judging whether the first parameter is larger than the refrigerating capacity ratio information of the outdoor unit. This scheme of adoption can solve central air conditioning compressor life problem on the low side.
Description
Technical Field
The invention relates to the technical field of air conditioner control, in particular to a central air conditioner control system.
Background
With the gradual popularization of the central air conditioner, the user scale of the central air conditioner is gradually enlarged, and the research on the central air conditioner control system is also more and more extensive. The central air conditioner mainly comprises an indoor unit, a wire controller and an outdoor unit, wherein usually one outdoor unit is connected with a plurality of indoor units, and each indoor unit is connected with one wire controller; and the indoor unit and the outdoor unit are controlled in an interlocking manner.
However, when selecting a central air conditioner in home decoration, air conditioner sales personnel generally refer to the word "over-distribution ratio" in consideration of the fact that the higher the cooling capacity of an outdoor unit is, the higher the manufacturing cost thereof is, and the higher the energy consumption during operation is. The said over-distribution rate is the sum of the refrigerating capacities of the indoor units in a set of multi-connected central air-conditioning system (a main unit with a plurality of indoor units is called a system), and the ratio of the indoor units to the outdoor unit is the over-distribution rate; for example, in a 6-by-five configuration, the cooling capacity of the external unit is 6, and the sum of the cooling capacities of the 5 internal units is 7.5, so that the over-distribution rate of the central air conditioner is 7.5/6-125%. The popular point is that the sum of the numbers of the indoor units of one system is larger than that of the outdoor units.
Although the super-distribution can bring the advantages of lower purchase cost, lower use energy consumption and the like for users; however, if the central air conditioner is in overload operation for a long time, the poor cooling effect of the indoor unit is easy to occur, and the service life of the compressor of the central air conditioner is even reduced.
Disclosure of Invention
The invention aims to provide a central air-conditioning control system which can solve the problem that the service life of a central air-conditioning compressor is low.
The basic scheme provided by the invention is as follows: a central air-conditioning control system comprises a user terminal, a server, an outdoor unit, a plurality of indoor units arranged in a room and control panels in signal connection with the indoor units respectively, wherein the server comprises:
the storage module is used for recording the refrigerating capacity ratio information of the outdoor unit, the position information of each indoor unit and the refrigerating capacity ratio information of each indoor unit in advance;
the input module is used for acquiring a control instruction initiated by a user through the control panel and generating the running state of the indoor unit according to the control instruction;
the processing module is used for receiving the position information and the refrigerating capacity ratio information of the indoor unit with the running state of starting up; calculating the sum of the refrigerating capacity ratio information to generate a first parameter;
the judging module is used for receiving the first parameter, judging whether the first parameter is larger than the refrigerating capacity ratio information of the outdoor unit or not, and if so, generating prompt information;
and the output module is used for sending the prompt message to the user terminal.
The working principle and the advantages of the invention are as follows:
because the user generally opens or closes each indoor unit through the control panel, in the scheme, the input module can acquire a control instruction initiated by the user through the control panel, and thus the running state of the indoor unit is generated; and then the processing module calculates the total refrigerating capacity ratio information of the started indoor unit, and when the judging module judges that the total refrigerating capacity ratio of the indoor unit is higher than the refrigerating capacity ratio of the outdoor unit, the output module sends prompt information to the user terminal to prompt a user in time, after the prompt, the user can conveniently and timely turn off the power supply of the indoor unit, unnecessary load of the compressor is reduced, and the problem that the service life of the compressor is low due to the fact that the central air conditioner is in an overload running state is solved.
Further, the temperature sensor is arranged in the room; the user terminal is also used for acquiring temperature information acquired by the temperature sensor.
Has the advantages that: the temperature information in the room can be conveniently checked by the user through the terminal.
Further, the system also comprises a human body infrared sensor arranged in the room; the input module is also used for acquiring the detection data of the human body infrared sensor; and the judging module is also used for judging whether a person exists in the room according to the detection data when the first parameter is larger than the refrigerating capacity ratio information of the outdoor unit, and closing the indoor unit of the room if no person exists in the room.
Has the advantages that: when the central air conditioner runs in an overload state, whether a person exists in a room can be detected through the human body infrared sensor; the indoor unit of the room can be controlled to be closed for the room without people, and the service life of the central air conditioner is prolonged.
Furthermore, the user terminal is a mobile phone terminal, and the mobile phone terminal is provided with an APP capable of controlling the indoor unit, so as to allow the user to send a control instruction to the indoor unit.
Has the advantages that: the user can control the central air conditioner through the mobile phone terminal, and the use is more convenient.
Further, the input module is also used for acquiring the position information of the mobile phone end and the temperature information of the temperature sensor after receiving the control instruction sent by the mobile phone end, and generating reference temperature information and reference position information; recording the reference temperature information and the reference position information into a storage module;
the judging module is further used for acquiring current temperature information and current position information after detecting that the mobile phone end is bright, and respectively calculating a difference value between the current temperature information and the reference temperature information and a difference value between the current position information and the reference position information to obtain a first difference value and a second difference value; and if the first difference is smaller than a first preset threshold value and the second difference is smaller than a second preset threshold value, outputting a control instruction for opening the indoor unit.
Has the advantages that: because the air conditioner can achieve the refrigeration effect after working for a period of time, the scheme collects the temperature information and the position information when the user controls the mobile phone end to open the air conditioner, and the temperature information and the position information are used as reference data; when the mobile phone end of the user is on the screen next time, a control instruction for starting the indoor unit is matched by combining the current position information and the current temperature information, so that the user can feel cool when arriving at home, and the waiting time is saved; the system functions are more comprehensive, and the intelligent degree of the system is improved; the intelligent control of the central air conditioner is completed by combining the operation habits of the user, and the user experience is favorably improved.
Further, the first preset threshold is 0.4 ℃, and the second preset threshold is 40 meters.
Has the advantages that: in the scheme, temperature information can be detected through a temperature sensor, and a GPS module carried by a user mobile phone terminal acquires position information; because the sensor precision of different principles and different technologies can be different, the difference value smaller than the deviation value can be successfully triggered by setting a proper temperature and position deviation, and the effectiveness of the function can be ensured.
Drawings
Fig. 1 is a system block diagram of a central air-conditioning control system according to a first embodiment of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
example one
A central air-conditioning control system, substantially as shown in fig. 1, comprising a user terminal, a server, an outdoor unit, a plurality of indoor units installed in a room, and a control panel in signal connection with each indoor unit, wherein the server comprises:
the storage module is used for recording the refrigerating capacity ratio information of the outdoor unit, the position information of each indoor unit and the refrigerating capacity ratio information of each indoor unit in advance;
the input module is used for acquiring a control instruction initiated by a user through the control panel and generating the running state of the indoor unit according to the control instruction;
the processing module is used for receiving the position information and the refrigerating capacity ratio information of the indoor unit with the running state of starting up; calculating the sum of the refrigerating capacity ratio information to generate a first parameter;
the judging module is used for receiving the first parameter, judging whether the first parameter is larger than the refrigerating capacity ratio information of the outdoor unit or not, and if so, generating prompt information;
and the output module is used for sending the prompt message to the user terminal.
Specifically, in this embodiment, the user terminal is a mobile phone terminal, and an APP capable of controlling an indoor unit is loaded on the mobile phone terminal and used for allowing the user to send a control instruction to the indoor unit; and the user terminal is also used for acquiring temperature information acquired by the temperature sensor. The user can not only control the central air conditioner through the mobile phone, but also know the temperature information through the mobile phone.
In order to avoid that the central air conditioner is still in an overload running state when no person is in the room, the scheme also comprises a human body infrared sensor arranged in the room; the input module is also used for acquiring the detection data of the human body infrared sensor; and the judging module is also used for judging whether a person exists in the room according to the detection data when the first parameter is larger than the refrigerating capacity ratio information of the outdoor unit, and closing the indoor unit of the room if no person exists in the room.
Example two
Compared with the first embodiment, the difference is that the input module is further configured to acquire the position information of the mobile phone end and the temperature information of the temperature sensor after receiving the control instruction sent by the mobile phone end, and generate reference temperature information and reference position information; recording the reference temperature information and the reference position information into a storage module;
the judging module is further used for acquiring current temperature information and current position information after detecting that the mobile phone end is bright, and respectively calculating a difference value between the current temperature information and the reference temperature information and a difference value between the current position information and the reference position information to obtain a first difference value and a second difference value; and if the first difference is smaller than a first preset threshold (set to be 0.4 ℃), and the second difference is smaller than a second preset threshold (set to be 40 meters), outputting a control instruction for opening the indoor unit.
Specifically, the position information can be detected through a GPS module of the mobile phone; for example, when a user a uses the APP for the first time to send a control instruction to the central air conditioner, the system acquires that the temperature at this time is 27.5 degrees celsius and the location information is "location a", and may use the two pieces of data information as reference temperature information and reference location information, respectively, and record the reference temperature information and the reference location information in the storage module; then, when the user arrives at the place and turns on the mobile phone, the temperature information is obtained through the temperature sensor to be 27.7 ℃, which indicates that the user may want to turn on the air conditioner at home at the moment, and a control button needs to be generated on the APP at the mobile phone end; the control of the central air conditioner is realized by directly opening the button by a user, so that the use experience of the user is improved.
EXAMPLE III
Compared with the first embodiment, the difference is that the room is also provided with an intelligent sound box which can play background music for users to create a good living environment; a touch control panel for controlling the state of the indoor unit is arranged on the control panel, and the state comprises opening and closing; in addition, a touch display screen for the user to select background music and a human body infrared sensor for detecting whether the user is positioned at the control panel are arranged on the control panel; in this embodiment, the touch display screen is specifically located on the left half portion of the side of the control panel facing the user, the touch control panel is located on the right half portion of the side of the control panel facing the user, and the human infrared sensor is located on the top of the side of the control panel facing the user.
The processing module is further configured to receive a detection signal of the human body infrared sensor, obtain a staying time T of the user at the control panel based on the detection signal, determine the staying time T according to a preset first time threshold x and a preset second time threshold y (in this embodiment, the first time threshold x and the second time threshold y are respectively set to 1 second and 3 seconds), and determine that the user passes through the control panel if the staying time T is less than or equal to the first time threshold x (i.e., T is less than or equal to 1 second); if T belongs to (x, y), namely T belongs to (1 second, 3 seconds), the retention time T belongs to the time interval of 1 second to 3 seconds, and then the fact that the user needs to touch the touch control panel on the control panel is judged; and if T is larger than or equal to y, namely T is larger than or equal to 3 seconds, judging that the user needs to touch the touch display screen on the control panel, and controlling the brightness of the touch display screen to be increased to a standard brightness value. And the standard brightness value is adjusted according to the ambient brightness, which is similar to the automatic screen brightness adjusting function of the mobile phone, and is not repeated here, so that the situation that the brightness is too dark and the screen is not clear or the brightness is too bright and dazzling can be avoided, and the use experience of the user is improved.
By adopting the scheme, the power consumption is higher when the brightness of the touch display screen is higher, and the touch display screen is prevented from being always in a bright screen state; the human body infrared sensor is arranged on the control panel, so that the stay time of a user at the control panel is detected. If the duration is shorter, the user may pass by or intend to control the touch control panel, the user does not need to see the content of the display screen, and the brightness of the touch control display screen is zero.
The judging module is also used for judging whether a user touches a touch display screen or a touch control panel on the control panel or not and whether the retention time T is smaller than a second time threshold y or not; and if the judgment results are true, generating a trigger signal for switching the state of the indoor unit.
Specifically, when the user's stay time T is less than the second time threshold y, it indicates that the user may pass by the control panel or intend to control the touch control panel at this time; on the basis, if the touch display screen or the touch control panel on the touch control panel receives a touch signal of a user, the situation that the user most possibly wants to switch the state of the indoor unit is indicated. Therefore, even if the user does not touch the control panel at all, the user can generate a trigger signal by touching the touch display screen or the touch control panel on the control panel, and switch the state of the indoor unit based on the trigger signal. By adopting the scheme, the situation that a user cannot accurately find the touch control panel and open the indoor unit in a dark environment can be avoided; and, because the area that can touch-control increases, also can save the user and look for the time of touch control panel, the user that the specially adapted eyesight is not good uses, and the practicality is strong, can further promote user's use and experience.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (4)
1. The utility model provides a central air conditioning control system, its characterized in that includes user terminal, server, off-premises station, many sets up indoor set in the room and respectively with each indoor set signal connection's control panel, still includes the human infrared sensor who sets up in the room, wherein, the server includes:
the storage module is used for recording the refrigerating capacity ratio information of the outdoor unit, the position information of each indoor unit and the refrigerating capacity ratio information of each indoor unit in advance;
the input module is used for acquiring a control instruction initiated by a user through the control panel and generating the running state of the indoor unit according to the control instruction;
the processing module is used for receiving the position information and the refrigerating capacity ratio information of the indoor unit with the running state of starting up; calculating the sum of the refrigerating capacity ratio information to generate a first parameter; the processing module is further used for receiving a detection signal of the human body infrared sensor, obtaining the stay time T of the user at the control panel based on the detection signal, and judging the stay time T according to a preset first time threshold value x and a preset second time threshold value y; if the stay time T is less than or equal to the first time threshold value x, judging that the user passes through the control panel; if T belongs to (x, y), judging that the user needs to touch the touch control panel on the control panel; if T is larger than or equal to y, judging that the user needs to touch the touch display screen on the control panel, and controlling the brightness of the touch display screen to be increased to a standard brightness value; when the user passes by or intends to control the touch control panel, the brightness of the touch control display screen is zero;
the judging module is used for receiving the first parameter, judging whether the first parameter is larger than the refrigerating capacity ratio information of the outdoor unit or not, and if so, generating prompt information; the judging module is also used for judging whether a user touches a touch display screen or a touch control panel on the control panel, whether the staying time T of the user in front of the control panel is less than a second time threshold value y or not, and if the judging result is true, generating a trigger signal for switching the state of the indoor unit;
and the output module is used for sending the prompt message to the user terminal.
2. The central air-conditioning control system according to claim 1, characterized in that: the temperature sensor is arranged in the room; the user terminal is also used for acquiring temperature information acquired by the temperature sensor.
3. The central air-conditioning control system according to claim 1, characterized in that: the input module is also used for acquiring the detection data of the human body infrared sensor; and the judging module is also used for judging whether a person exists in the room according to the detection data when the first parameter is larger than the refrigerating capacity ratio information of the outdoor unit, and closing the indoor unit of the room if no person exists in the room.
4. The central air-conditioning control system according to claim 1, characterized in that: the user terminal is a mobile phone end, and an APP capable of controlling the indoor unit is mounted on the mobile phone end and used for allowing a user to send a control instruction to the indoor unit.
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| CN202011504475.6A CN112611099B (en) | 2020-12-18 | 2020-12-18 | Central air-conditioning control system |
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| CN202011504475.6A CN112611099B (en) | 2020-12-18 | 2020-12-18 | Central air-conditioning control system |
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| CN114017908B (en) * | 2021-10-20 | 2023-02-03 | 深圳达实智能股份有限公司 | Air conditioner tail end air outlet cold quantity control method and system |
| CN114508834A (en) * | 2022-02-22 | 2022-05-17 | 福建博锐绿建科技有限公司 | AI control system based on traditional bottom thinking |
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