CN113883693A - Metering method of centralized central air-conditioning system - Google Patents
Metering method of centralized central air-conditioning system Download PDFInfo
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- CN113883693A CN113883693A CN202111264735.1A CN202111264735A CN113883693A CN 113883693 A CN113883693 A CN 113883693A CN 202111264735 A CN202111264735 A CN 202111264735A CN 113883693 A CN113883693 A CN 113883693A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004378 air conditioning Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000005265 energy consumption Methods 0.000 claims abstract description 25
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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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
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
- F24F11/58—Remote control using Internet communication
-
- 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
-
- 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
-
- 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
-
- 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
Abstract
The invention relates to the field of central air-conditioning metering, and discloses a household metering method of a centralized central air-conditioning system. Discloses a household metering method of a centralized central air-conditioning system, which comprises the following steps: the use data of the fan coil on the user side is collected through the temperature controller with the communication function, and the electric energy data of the fan coil on the user side is collected through the electric meter with the communication function. The temperature controller with the communication function and the electric meter with the communication function report the collected fan coil energy consumption data to the cloud system. The cloud system calculates the corresponding proportional relation between the cold/heat energy consumed by the whole system and the cold/heat energy consumed by the user independently, and combines the independent electric quantity consumed by the user side and all consumption of the machine room side to obtain the cost condition of the user in the process of using the central air conditioner at the present time. Because the metering method is accurate, fair and reasonable, the apportionment of the cost is easily accepted by operators and users.
Description
Technical Field
The invention belongs to the technical field of household charging of central air conditioners, and particularly relates to a metering method of a centralized central air conditioner system.
Background
At present, an area allocation method and an energy type household metering method are commonly adopted in the field of practical application of central air conditioners for charging.
The area allocation method can lead a user to realize the same result of using more, less or not when the user uses the central air conditioner, thus the user can open the central air conditioner as long as possible when using the central air conditioner, even open a door and a window simultaneously to reduce the indoor temperature, thus causing the vicious consumption, increasing the operation load of the air conditioner and generating higher system maintenance cost.
The energy type household metering method is accurate in metering, and the user needs to pay the cost when consuming the energy type household metering method, so that the active waste condition of the user can be avoided. However, this method is costly, complex to install, inconvenient to maintain, and requires periodic certification. The pressure for system maintenance is increased invisibly, and the system maintenance cost is increased remarkably.
Therefore, a relatively accurate, fair and reasonable metering method is needed, so that the apportioned cost after metering is easily accepted by the operator and the user.
Disclosure of Invention
In view of the above features and problems, a centralized central air conditioning system metering method is proposed, which is based on a time-based household metering manner.
The purpose of the invention is realized by the following technical scheme, wherein:
adding a watt-hour meter with a communication function at the main inlet wire side of each user fan coil to measure the total power consumption of the user air conditioning equipment, and sending the power consumption to a cloud server;
a temperature controller with a communication function is additionally arranged at each user fan coil and is sent to a cloud server;
a heat meter with a communication function is additionally arranged at a main inlet and outlet of a water pipe of the machine room, and the instant cold/heat energy consumption of the system is measured and sent to a cloud server;
an electric meter with a communication function is additionally arranged at the wire inlet of the general distribution box of the machine room, so that the instant power consumption of the electric equipment of the machine room is collected and sent to the cloud server.
The communication protocol used by the temperature controller, the heat meter and the electric meter with the communication function comprises but is not limited to one or more of NB-IOT, 4G, 5G, LoRa, WIFI, Zigbee, Ethernet and the like.
The electric meter with the communication function is installed at a line main inlet wire of the user air conditioning equipment, collects the power consumption condition of the fan coil in a user room, and sends data to the cloud server. And the kilowatt-hour meters and users establish a corresponding relationship one by one.
The temperature controller with the communication function is installed on a fan coil in a room of a user, functions of a switch of the fan coil, a refrigeration and heating mode, wind speed, temperature and the like can be set, meanwhile, the temperature controller counts parameters of the fan coil such as starting time, service time of high, medium and low speed, the refrigeration and heating mode and the like, energy consumption equivalent number of the user is obtained after calculation, and data are sent to the cloud server. The temperature controllers are in one-to-one correspondence with users.
The heat meter with the communication function is installed at a main inlet and outlet of a water pipe of a machine room, the sum of energy consumed by air conditioning equipment in the system and energy lost by a midway pipeline is determined by detecting the energy difference of the inlet and the outlet of a main pipe in the system, and data are sent to the cloud server.
The kilowatt-hour meter with the communication function is installed at the inlet wire of the general distribution box of the machine room, and the real-time total electricity consumption of the central air conditioning system of the machine room is obtained by collecting the electricity consumption of the electric equipment of the machine room and is sent to the cloud server.
The cloud server runs an application program, the application program maintains the communication state with each device, collects information from each device and issues each parameter to each device. The application program can process the data according to the corresponding algorithm and store the processing result in the cloud database. The application program can output the processed result to the application terminal for display, and the application terminal can check the processing result and issue an operation instruction to the equipment through the application program.
And the cloud server calculates the information transmitted by the user temperature controller, the user electric energy meter, the heat meter of the machine room and the electric meter of the machine room. And the cloud server divides the energy consumption equivalent number of each user by the energy consumption equivalent number of all the users, and then multiplies the sum of the heat consumption and the electric quantity consumption of the machine room to obtain the value of the energy consumed by the machine room when the user uses the air conditioner. The numerical value of the energy consumed by the user in the machine room when the user uses the air conditioner and the total numerical value of the electric energy consumption of all fan coil units in the room when the user uses the air conditioner can obtain the cost condition which needs to be shared when the user uses the central air conditioner.
The invention has the beneficial effects that:
the charging principle of the metering method of the centralized central air-conditioning system is that a time type household metering mode is adopted, the charging mode is relatively simple, the cost is lower, the precision is relatively accurate, the system computing process is realized in an application program in a cloud server, and the operation and control are realized in an application terminal and a temperature controller, so that the number of external vulnerable mechanical parts is reduced. The system is a set of electronic products, the influence of external interference is small, the accuracy can be guaranteed, the time can reach 10 years to 20 years easily, and the service life is greatly prolonged. Meanwhile, different charging base numbers can be set according to different terminal devices, the charging mode is flexible and reliable, and the charging mode is easy to accept by operators and users.
Drawings
Fig. 1 is a frame diagram of the present invention.
FIG. 2 is a functional diagram of a temperature controller according to the present invention;
Detailed Description
The embodiment of the present invention will be described clearly and completely, and obviously, the described embodiment is only one of the preferred embodiments of the present invention, and the general changes and substitutions by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.
And erecting a LoRa gateway in a central air conditioner use area, wherein the LoRa gateway is responsible for communication work of equipment such as a heat meter, a watt-hour meter and a temperature controller and an Internet end cloud server.
At user b1A LoRa temperature controller is additionally arranged at the fan coil a, and detailed working data of the fan coil a are counted;
wherein:
Earepresenting user b1Cold/warm energy consumption value of A-th energy consumption equipment in home
γ1To be provided withCold/warm energy supply coefficient of spare a
F1,F2,F3,......,FiThe wind speed coefficient of the equipment at different time wind speeds is totally 3 types of high, medium and low
t1,t2,t3,......,tiFor the equivalent time of the equipment corresponding to the wind speed
Through the LoRa temperature controllers corresponding to the fan coil one to one, user b is counted1And the detailed working data of all the fan coils are sent to the cloud server.
Wherein:
Eb1for user b1The cold/warm energy consumption values of all A energy consumption devices
And counting the detailed working data of the fan coil of all users in the centralized central air conditioner, and sending the data to a cloud server.
Wherein:
Ebfor all B energy consumption devices in all user homes
Adding LoRa heat meters at the main inlet and outlet of a water pipe of the machine room, metering the instant cold/heat energy consumption of the system, and sending the instant cold/heat energy consumption to a cloud server;
add at computer lab total block terminal inlet wire department and establish the loRa kilowatt-hour meter, gather the instant power consumption of computer lab consumer to send to cloud ware.
Adding the cold/heat energy consumption and the power consumption of the machine room by the technology of the LoRa heat meter and the LoRa electric meter of the machine room to obtain the total energy supply and energy consumption cost W consumed by the machine room; computing user b1The ratio of the air conditioner energy consumption to the total user air conditioner energy consumption can be obtained1Apportioned system energy supply and energy consumption cost
Wherein:
w is the total energy supply and consumption cost of the system
Method for measuring total electricity consumption of user air conditioning equipment by adding LoRa electric meter to total inlet wire side of fan coil of each user
And sending the data to a cloud server;
PiElectric power for energy consuming devices i
Then user b1The total cost that the home should incur is:
the time nodes in the formula are periodic sampling time points with a certain time interval set by an application program of the cloud server, the server samples data of each device at a fixed time interval, and the time nodes are used for carrying out statistical calculation on numerical values of corresponding time moments. Because the device adopts the one-to-one corresponding measure with the user when being installed, when the application program in the cloud server calculates the sampling data of the device at the background, the energy consumption action statistical calculation corresponding to the user is actually carried out
When all the equipment with the communication function is connected with the application program of the cloud server, a preset communication protocol is adopted, the server end establishes an object model for the equipment with the preset communication protocol, information parameters in the communication protocol are analyzed one by one, and the problem of correspondence between physical information parameters of the equipment with the communication function and calculation parameters of the cloud server end is solved.
The application program of the cloud server side is designed in a distributed architecture, data are stored in a cloud database, and the display and operation terminal can perform system operation as long as the place can be accessed to the Internet according to the distribution of a user account.
Claims (7)
1. A centralized central air conditioning system household metering method is characterized in that a watt-hour meter with a communication function is added at the main inlet wire side of each user fan coil unit to measure the total electricity consumption of user air conditioning equipment and send the electricity consumption to a cloud server; a temperature controller with a communication function is additionally arranged at each user fan coil and is sent to a cloud server; a heat meter with a communication function is additionally arranged at a main inlet and outlet of a water pipe of the machine room, and the instant cold/heat energy consumption of the system is measured and sent to a cloud server; the method comprises the following steps that a kilowatt-hour meter with a communication function is additionally arranged at the wire inlet of a general distribution box of the machine room, and the real-time power consumption of electric equipment of the machine room is collected and sent to a cloud server; the communication protocol used by the temperature controller, the heat meter and the electric meter with the communication function comprises but is not limited to one or more of NB-IOT, 4G, 5G, LoRa, WIFI, Zigbee, Ethernet and the like.
2. The household metering method of the centralized central air-conditioning system as claimed in claim 1, wherein a communication watt-hour meter is added at the line main inlet of the user air-conditioning equipment, the watt-hour meter collects the power consumption condition of the fan coil in the user room and sends the data to the cloud server; and the kilowatt-hour meters and users establish a corresponding relationship one by one.
3. The household metering method of the centralized central air-conditioning system as claimed in claim 1, wherein fan coils in a user room are all connected to a temperature controller with a communication function, the temperature controller can be provided with functions of a fan coil switch, a refrigeration and heating mode, a wind speed, a temperature and the like, and meanwhile, the temperature controller counts parameters of the fan coil such as a starting time, a high-medium-low speed use time, the refrigeration and heating mode and the like, calculates energy consumption equivalent number of the user and sends data to the cloud server; the temperature controllers are in one-to-one correspondence with users.
4. The household metering method of the centralized central air-conditioning system as claimed in claim 1, wherein a heat meter with a communication function is additionally arranged at a main inlet and outlet of a water pipe of a machine room, the heat meter determines the sum of energy consumed by air conditioning equipment in the system and energy lost by a midway pipeline by detecting an inlet and outlet energy difference of a main pipe in the system, and sends data to the cloud server.
5. The household metering method of the centralized central air-conditioning system as claimed in claim 1, wherein a kilowatt-hour meter with a communication function is additionally arranged at an inlet wire of the machine room main distribution box, and the kilowatt-hour meter acquires the power consumption of the electric equipment of the machine room to obtain the real-time total power consumption of the central air-conditioning system of the machine room and transmits the real-time total power consumption to the cloud server.
6. The household metering method of the centralized central air-conditioning system as claimed in claims 1, 2, 3, 4 and 5, wherein an application program runs on the cloud server, maintains the communication state with each device, collects information from each device and issues each parameter to each device; the application program can process the data according to a corresponding algorithm and store the processing result in the cloud database; the application program can output the processed result to the application terminal for display, and the application terminal can check the processing result and issue an operation instruction to the equipment through the application program.
7. The household metering method of a centralized central air-conditioning system as claimed in claim 6, wherein the cloud server calculates the information transmitted by the user temperature controller, the user electric energy meter, the heat meter of the machine room and the electric meter of the machine room; the cloud server divides the energy consumption equivalent number of each user by the energy consumption equivalent number of all users, and then multiplies the total number of heat consumption and electric quantity consumption of the machine room to obtain a numerical value of the energy consumed by the machine room when the user uses the air conditioner; the numerical value of the energy consumed by the user in the machine room when the user uses the air conditioner and the total numerical value of the electric energy consumption of all fan coil units in the room when the user uses the air conditioner can obtain the cost condition which needs to be shared when the user uses the central air conditioner.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116708049A (en) * | 2023-05-29 | 2023-09-05 | 杭州全能星科技有限公司 | Central air conditioner charging method for medical building based on cloud platform |
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