Central air conditioner household charging system applied to office building

Abstract

The utility model belongs to the technical field of central air conditioners, and particularly relates to a central air conditioner household charging system applied to an office building, which comprises a plurality of acquisition devices, a plurality of area management devices, a data concentration device and a charging management device, the utility model provides a central air-conditioning household charging system applied to an office building, which converts heat exchange time of a central air-conditioning fan coil under different heat exchange powers in each unit user area range into equivalent time under uniform power in a time method household metering mode. And the use cost of the central air conditioner in each rental area in the office building is accurately shared.

Description

TECHNICAL FIELD

[0001] The utility model belongs to central air conditioning technical field, especially relate to a central air conditioning billing system for office building. BACKGROUND

[0002] At present, commercial office building generally adopts central air conditioning system refrigeration heating, and the property management company of office building charges the property fee in each unit user area, which contains the air conditioning use cost, how to reasonably and accurately allocate the air conditioning cost is the problem that the air conditioning industry personnel continuously explore: 1, adopt the area of leasing area according to the allocation billing mode, the number of fan coil in each unit user area, the use time length, the model parameter are different, cause the allocation cost to be unreasonable, inaccurate, and the air conditioning abuse, waste energy situation; 2, adopt energy consumption billing mode, need to install metering equipment at each fan coil, also can only be applied to the whole leasing whole floor situation, cannot allocate billing for one floor multi-tenancy area.

[0003] In addition, some billing systems are complex, and some exist inaccurate billing. UTILITY MODEL CONTENT

[0004] The utility model provides a central air conditioning billing system for office building can solve the problem pointed out in the background art.

[0005] A central air conditioning billing system for office building, comprising a plurality of acquisition devices, a plurality of regional management devices, a data collection device and a billing management device;

[0006] The acquisition device is electrically connected with the central air conditioning terminal fan coil and the electric two-way valve, and the electric two-way valve of the central air conditioning terminal fan coil, the fan gear and the cumulative running time of each gear of the fan are collected, and the cumulative equivalent time of the fan operation of each fan coil is calculated;

[0007] The regional management device is connected with all acquisition devices in the same unit user area range, and the working state of the acquisition device in the unit user area is regularly inspected, and the metering data of the operation of each fan coil collected by the acquisition device is refreshed and stored, and the total equivalent time of the use of the central air conditioning in the unit user area range is calculated and analyzed; the regional management device is connected with the data collection device, receives the control instruction of the data collection device, uploads the data and issues the received control fan coil and electric two-way valve start-stop instruction to the acquisition device; realize the regional intelligent management and control of each central air conditioning;

[0008] The data centralizing device reads metering data of each regional management device and transmits control instructions to the regional management device; the charging management device is connected to a cloud server through an Ethernet, and metering data of central air conditioners in each unit user area is uploaded to the charging management device.

[0009] The charging management device comprises a central air conditioner sub-household metering platform system which analyzes and processes equivalent time of the central air conditioner in each unit user area, and calculates the use cost of the central air conditioner in each unit user area.

[0010] Preferably, the charging management device further comprises a printing device which prints the central air conditioner cost used by each unit user per month.

[0011] Preferably, the charging management device further comprises a short message alarm which provides bills and payment reminders to each unit user in each office building by sending short messages; for unit users who do not pay on time, the central air conditioner sub-household metering platform system controls start and stop of the central air conditioner fan coil and electric two-way valve in the unit user area.

[0012] Beneficial effects: the central air conditioner sub-household charging system applied to office buildings provided by the utility model realizes accurate allocation of use cost of central air conditioners in each rental area in office buildings by converting heat exchange time of central air conditioner fan coils in each unit user area under different heat exchange powers into equivalent time under unified power in a time method sub-household metering mode. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The system logic diagram of the utility model,

[0014] Mark explanation:

[0015] Mark in the figure: collection device 1; regional management device 2; data centralizing device 3; charging management device 4; central air conditioner sub-household metering platform system 41; printing device 42; short message alarm 43. DETAILED DESCRIPTION

[0016] One specific embodiment of the utility model will be described in detail in combination with the drawings, but it should be understood that the protection scope of the utility model is not limited by the specific embodiment.

[0017] Embodiment as Figure 1 The utility model embodiment provides a central air conditioner sub-household charging system applied to office buildings, which comprises a plurality of collection devices 1, a plurality of regional management devices 2, a data centralizing device 3 and a charging management device 4.

[0018] The collection device 1 is electrically connected with the terminal fan coil of the central air conditioner and the electric two-way valve, collects the start-stop state of the electric two-way valve of the terminal fan coil of the central air conditioner, the fan gear and the cumulative running time of the fan in each gear, and calculates the cumulative equivalent time of the fan coil fan running;

[0019] The regional management device 2 is connected downward with all the collection devices 1 in the same unit user area, regularly inspects the working state of the collection device 1 in the unit user area, refreshes and stores the metering data of the fan coil running collected by the collection device 1, and calculates and analyzes the total equivalent time of the central air conditioner used in the unit user area; the regional management device 2 is connected upward with the data centralized device 3, receives the control instruction of the data centralized device 3, uploads the data and issues the received control fan coil and electric two-way valve start-stop instruction to the collection device 1; realizes the regional intelligent management and control of each central air conditioner;

[0020] The data centralized device 3 regularly reads the metering data of each regional management device 2, and transmits the control instruction to the regional management device 2; is connected to the billing management device 4 through the Ethernet to the cloud server, uploads the metering data of the central air conditioner used in each unit user area in each regional management device 2 to the billing management device 4;

[0021] The billing management device 4 includes a central air conditioner sub-metering platform system 41, which analyzes and processes the received equivalent time of the central air conditioner in each unit user area, and calculates the cost of the central air conditioner used in each unit user area.

[0022] In some embodiments, the billing management device 4 further includes a printing device 42, which prints the central air conditioner cost used by each unit user per month.

[0023] In some embodiments, the billing management device 4 further includes a short message alarm 43, which provides bills and payment reminders to each unit user in each office building by sending short messages; for the unit user who does not pay on time, the central air conditioner fan coil and electric two-way valve in the unit user area are controlled by the central air conditioner sub-metering platform system 41.

[0024] For the whole central air conditioning system, each collection device 1 collects the heat exchange time of each fan speed position of the fan of the fan coil unit in each unit user area, and converts the heat exchange time under different heat powers into equivalent time T under a unified power, T=∑Ki*Ti (i is a certain fan speed position, i=1 to n, n is the total number of fan speed positions; T is the equivalent time, in minutes (iin); Ki is the ratio of the rated heat exchange power to the accurate heat exchange power of the fan coil unit under a certain position, dimensionless; Ti is the cumulative heat exchange time corresponding to Ki, in minutes (iin);); Each regional management device 2 calculates the equivalent time TN of the central air conditioner used in each rental area; The billing management device 4 receives the equivalent time data TN of the central air conditioner used in all rental areas, calculates the total equivalent time Ttotal of the whole central air conditioning system, calculates the proportion of the equivalent time TN of the central air conditioner used in each rental area in the total equivalent time Ttotal of the whole central air conditioning system, and combines the total cost Mtotal of the central air conditioner to be allocated to calculate the allocation cost MN of the central air conditioner used by each unit user, MN= (TN / Ttotal)*Mtotal; The intelligent, reasonable and accurate billing of the central air conditioner used in each unit user area in the office building is realized, the difference in charging and the abuse of the air conditioner are avoided, and the purpose of clear air conditioner billing and energy saving is achieved.

[0025] The above disclosure is only a few specific embodiments of the present application, but the embodiments of the present application are not limited thereto, and any changes that can be thought of by those skilled in the art should fall within the protection scope of the present application.

Claims

1. A central air conditioning unit-based billing system for office buildings, characterized in that: It includes several data acquisition devices (1), several area management devices (2), a data centralization device (3), and a billing management device (4); The acquisition device (1) is electrically connected to the central air conditioning terminal fan coil unit and the electric two-way valve. It acquires the start and stop status of the electric two-way valve of the central air conditioning terminal fan coil unit, the fan speed and the cumulative running time of the fan at each speed, and calculates the cumulative equivalent time of the fan running of each fan coil unit. The area management device (2) is connected to all the acquisition devices (1) within the same unit user area. It periodically inspects the working status of the acquisition devices (1) within a certain unit user area, refreshes and stores the metering data of each fan coil unit collected by the acquisition device (1), and calculates and analyzes the total equivalent time of central air conditioning use within the unit user area. The regional management device (2) is connected to the data centralization device (3) to receive control commands from the data centralization device (3), upload data, and send the received control commands for the fan coil unit and electric two-way valve to the acquisition device (1) to realize regional intelligent management and control of each central air conditioner. The data centralization device (3) periodically reads the metering data of each area management device (2) and transmits control commands to the area management device (2); it connects to the cloud server via Ethernet to the billing management device (4) and uploads the metering data of the central air conditioning used in each unit user area of ​​each area management device (2) to the billing management device (4). The billing management device (4) includes a central air conditioning sub-metering platform system (41). The central air conditioning sub-metering platform system (41) analyzes and processes the equivalent time of the central air conditioning in the area of ​​each unit user, and calculates and allocates the central air conditioning usage fee in the area of ​​each unit user.

2. The central air conditioning individual billing system for office buildings according to claim 1, characterized in that: The billing management device (4) also includes a printing device (42), which prints the central air conditioning costs used by each unit user on a monthly basis.

3. A central air conditioning individual billing system for office buildings according to claim 2, characterized in that: The billing management device (4) also includes an SMS alarm (43), which sends SMS messages to each unit user in each office building to provide bills and payment reminders; for unit users who fail to pay on time, the central air conditioning unit metering platform system (41) controls the start and stop of the central air conditioning fan coil units and electric two-way valves in the area of ​​the unit user.

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