CN1342956A - Family charge method and device of direct evaporation type central air conditioner - Google Patents
Family charge method and device of direct evaporation type central air conditioner Download PDFInfo
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- CN1342956A CN1342956A CN 01127503 CN01127503A CN1342956A CN 1342956 A CN1342956 A CN 1342956A CN 01127503 CN01127503 CN 01127503 CN 01127503 A CN01127503 A CN 01127503A CN 1342956 A CN1342956 A CN 1342956A
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- conditioner
- expansion valve
- detecting device
- electric expansion
- indoor set
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Abstract
A family charge method and device for direct evaporation type central air conditioner is disclosed. Said method includes measuring the open time of electronic expansion valve, measuring freon flow, inputting the data to computer, calculating the total capacity of freon, and calculating the fee to be payed by each family. Its device is composed of detectors, RS 485 bus, manager, data concentrator, RS232 bus, and computer system.
Description
Technical field
The present invention relates to the air conditioner technology, a kind of divided gauging method and message accounting thereof that makes the more accurate reasonably direct vaporation-type air-conditioner of air-conditioner utility power allocation of expenditures of more clearly saying so.
Background technology
The direct vaporation-type central air conditioner of freon is used widely in public places such as office building, apartments a few days ago.The required power supply of electric components such as the blower fan of its indoor set is by being provided from source appliance, and outdoor host power supply was then from public power when air-conditioning was used at each family.Administration departments is imposed the air-conditioning working costs to the user, mostly uses heating system and divides public electricity charge mode by usable floor area, and have following drawback: 1, the room temperature because of each family needs is different with the working time, and it is reasonable inadequately to divide mode; 2, this " big-pot " charge method often causes user's the pernicious consumption and the unhelpful increase of operating cost; 3, often cause administration departments and user's dispute.
Purpose of the present invention is to provide the household cost allocation method and the individual user fee counter thereof of the direct vaporation-type air-conditioner of a kind of freon, can the public electricity charge be shared according to the situation of the actual use of each user air-conditioning.Make the use of air-conditioning realize embodying as required and using, press the fairness doctrine of consumption charge by " what supply, what are used " transformation to " with what, for what ".
Summary of the invention
In order to achieve the above object, the household cost allocation method of the direct vaporation-type air-conditioner of the present invention detect with detecting device air-conditioner branch family indoor set electric expansion valve be opened into the time of closing, open the flow of back with detecting device detected electrons expansion valve by the freon of electric expansion valve.Again detected above-mentioned temporal information of detecting device and flow information are flowed to computing machine, finish the capacity that multiplying obtains the freon of this minute family indoor set by electric expansion valve by computing machine.And the capacity of this indoor set day part in certain period is accumulated as total volume by computing machine.The total volume of pressing each minute family according to the outdoor main frame power consumption of air-conditioner total expenses by computing machine is distributed the expense of converting each minute family at last.
For the direct vaporation-type air-conditioner of freon, the refrigeration of indoor set (heat) amount is directly proportional with the heat exchanger heat interchanging area, and adopts the flow of electronic expansion valve controls freon.In order accurately to judge the duration of runs of indoor apparatus of air conditioner, whether open with electric expansion valve, just whether to have freon to pass through heat exchanger, as the sign of operation of air conditioner.When the electronic expansion opening of valves, think that indoor set is in operating condition, otherwise, think that indoor set is in halted state.The required power supply of indoor set blower fan of air-conditioner is by being provided from source appliance.And each family is when using air-conditioning, and outdoor main frame uses power supply then from public power.The household cost allocation of public power is a relation of utilizing amount of capacity and the air-conditioning power consumption of the heat exchanger of indoor set to be directly proportional, by the flow and the actual opening time of detected electrons expansion valve, integrating meter is calculated the payable expense of each family actual use air-conditioning, makes sharing of utility power more accurate.The detection of flow of electronic expansion valve then can realize by the detection of its open degree and freon pressure.The ultimate principle of this method that Here it is.
The present invention adopts the individual user fee counter of the direct vaporation-type air-conditioner of said method, by the detecting device on the indoor set that is installed in each minute family, with one group of detecting device with the coupled manager of RS485 bus, a group manager is constituted with the coupled data concentrator of RS485 bus, the computer system that is connected with data concentrator with the RS232 bus.
For the direct vaporation-type central air conditioner of freon, because many indoor sets are arranged, when carrying out household cost allocation, need to use many detecting devices, every detecting device is checked the operating condition of an indoor set.Give computing machine for the information conveyance that many detecting devices are gathered, message accounting adopts network structure.Be connected by the RS485 bus between detecting device and manager, manager and the data concentrator.Be connected by RS232 between data concentrator and the computing machine.The effect of each parts is as follows: detecting device detects the specification and the opening of the electric expansion valve of the indoor set that is chargeed, the cumulative time data that write down and preserve the electronic expansion opening of valves automatically.Manager carries out grouping management to detecting device, makes system have extendability and opening preferably, is convenient to the construction wiring simultaneously, makes the wiring from each detecting device be concentrated to manager earlier, is concentrated to data concentrator again.Each manager and data concentrator are respectively with a shell.Data concentrator divides into groups to control to following detecting device according to the instruction of computing machine automatically, and the data and the state of collection detecting device send host computer to.Charging computer is operated system by accounting management software.Read and preserve the data detail of every day, to the terminal raw data that collects store, handle, operation such as output, realize the automatic management of chargeing, can send instruction simultaneously, the defaulting subscriber is shut down processing.
Electric expansion valve start signal testing circuit that detecting device links to each other with electric expansion valve by the toggle switch relevant with the electric expansion valve specification of indoor set and dial-up initialization circuit, the one-chip computer that links to each other with toggle switch and dial-up initialization circuit, with one-chip computer and the defaulting subscriber control circuit that links to each other with one-chip computer are constituted.Manager is made of one-chip computer and communication interface circuit.Data concentrator is made of one-chip computer and communication interface circuit.One-chip computer is made of the H8/3644 cake core.
The principle of work of individual user fee counter of the present invention is: detecting device detects the output of central indoor machine of air-conditioner control basal plate, obtain states such as " compressor ON, running, unusual, heat ", and " compressor ON " signal carried out timing and storage, so that relevant data is beamed back main frame when carrying out data acquisition in system.By the full heat of indoor set control basal plate is handed over the input short circuit, make the temperature detector of indoor set be in the OFF state, the capability code of sending that requires is 0, limits this machine and freezes and heat, and to reach the defaulting subscriber is implemented control.Under this kind state, even set refrigeration or heated running, but because temperature detector is in OFF, the indoor set running of only can blowing.Detecting device detects the opening time of indoor set and the specification of electric expansion valve.Toggle switch is used to set the address of detecting device.Manager is collected the data of sampling thief, sends the host computer data concentrator to.Data concentrator is according to the instruction of PC computing machine, and automatically to the control of dividing into groups of following manager, and the data of collection managers and state are passed to the host computer PC computing machine.Finish data analysis, computing, convert out each user costs and printing by computing machine at last.
Task of the present invention comes to this and finishes.
The invention provides a kind of can be according to user's actual operating position, fairly and reasonably household cost allocation; Overcome the unreasonable defective of in the past charging by usable floor area; The household cost allocation method and the individual user fee counter thereof of the direct vaporation-type air-conditioner of pernicious consumption, consumption diseconomies and charge dispute have been avoided.Its automaticity height, simple to operate, the reliability height, and also the result can print.It can be widely used in the places such as residential quarter, office building, office building.
Description of drawings
Fig. 1 is the structural representation of the individual user fee counter of the direct vaporation-type air-conditioner of the present invention.
Fig. 2 is the electronic circuit schematic diagram of detecting device.
Fig. 3 is the toggle switch and the electric expansion valve gauge relationship figure of detecting device.
Fig. 4 is the electronic circuit schematic diagram of manager.
Fig. 5 is the electronic circuit schematic diagram of data concentrator.
Fig. 6 is its program flow diagram.
Shown in Figure 1, individual user fee counter is by detector 1, manager 2, data concentrator 3, connection Their RS485 bus 6, computer 4 and the RS232 that connects data concentrator 3 and computer 4 Bus 5 consists of. Detector 1, manager 2 and data concentrator 3 can respectively be installed in the shell. RS485 bus 6 can be made of MAX487 type communication interface chip, and RS232 bus 5 can be used MAX232CPE type communication interface chip is made.
Shown in Figure 2, detector 1 is by toggle switch and dial-up initialization circuit 8, one-chip computer 9, electricity Sub-expansion valve start signal testing circuit 10 and defaulting subscriber control circuit 11 consist of. 7 is dial-up Switch. The model of one-chip computer 9 is H8/3644 among the figure, and 93C46 is a kind of in its auxiliary circuit Serial EEPROM E2PROM is used for power down protection and time, state etc. The storage of information data. The MAX487E chip is RS485 bus 6 communication interfaces. Electronic expansion P521 is photoelectrical coupler in the valve start signal testing circuit 10, is used for air-conditioning state and detects isolation, DB9 Connect indoor set control substrate.
The opening of electric expansion valve can be controlled substrate output by air conditioner room unit, at detector Give one-chip computer 9 after upward processing by the diagram circuit. The control substrate of indoor set is swollen at electronics After swollen valve is opened, send low level signal to detector, make the optocoupler conducting, one-chip computer 9 after the conducting Corresponding pin level become low level by high level. Defaulting subscriber control circuit 11 can be to being in arrears with electricity The user of expense controls, and forbids that the indoor set that the defaulting subscriber has turns round, and this control is logical Cross and illustrate that circuit realizes. One-chip computer 9 is sent low level signal, makes the triode conducting, relay The device coil electricity is connected with movable contact and normally opened contact that indoor set control substrate is connected, to indoor Machine sends " defaulting subscriber " signal, and after indoor set was accepted, electric expansion valve can be closed, and cut off the fluorine profit High flows. 12 is relay among the figure.
Shown in Figure 3, toggle switch 7 is set, the state of dial-up and the rule of electric expansion valve on the detector 1 Relation between the lattice as shown in this figure. The set condition of dial-up becomes electricity by circuit shown in Figure 2 Signal is given one-chip computer 9. When dial-up was in " OFF " state, the switch of dial-up inside was in disconnected Open state, (connect because the pin of the one-chip computer 9 of corresponding each dial-up all is connected to pull-up resistor 13 Power supply), so to be input to the level signal of its corresponding pin be high level. When dial-up is in " ON ", The switch of dial-up inside is in closure state, and is connected with ground, so be input to the one-chip computer correspondence The level signal of pin is low level. One-chip computer 9 passes through to detect the level of corresponding pin like this, Can know the set condition of dial-up. Toggle switch 7 is used for setting the address of detector 1, with The electric expansion valve specification is relevant.
Shown in Figure 4, manager 2 is made of one-chip computer 14 and communication interface circuit 15. Monolithic The model of computer is H8/3644, and communication interface chip is MAX487E.
Shown in Figure 5, data concentrator 3 is made of one-chip computer 16 and communication interface circuit 17. The model of one-chip computer is H8/3644, and communication interface chip is MAX487E and MAX232.
Figure 6 shows that the program flow diagram of individual user fee counter.
Embodiment
The specific embodiment of the present invention is seen following examples:
Claims (6)
1, a kind of household cost allocation method of direct vaporation-type air-conditioner, it is characterized in that it detect with detecting device air-conditioner branch family indoor set electric expansion valve be opened into the time of closing, open the flow of back with detecting device detected electrons expansion valve by the freon of electric expansion valve, again detected above-mentioned temporal information of detecting device and flow information are flowed to computing machine, finish the capacity that multiplying obtains the freon of this minute family indoor set by electric expansion valve by computing machine.And the capacity of this indoor set day part in certain period is accumulated as total volume by computing machine.At last by computing machine according to the power consumption total expenses of the outdoor main frame of air-conditioner with each minute the family total volume distribute the expense of converting out each minute family.
2, a kind of individual user fee counter of the household cost allocation method according to the described direct vaporation-type air-conditioner of claim 1, it is characterized in that it by the detecting device on the indoor set that is installed in each minute family, with one group of detecting device with the coupled manager of RS485 bus, a group manager is constituted with the coupled data concentrator of RS485 bus, the computer system that is connected with data concentrator with the RS232 bus.
3,, it is characterized in that electric expansion valve start signal testing circuit that said detecting device links to each other with electric expansion valve by the toggle switch relevant with the electric expansion valve specification of indoor set and dial-up initialization circuit, the one-chip computer that links to each other with the dial-up initialization circuit, with one-chip computer and the defaulting subscriber control circuit that links to each other with one-chip computer are constituted according to the individual user fee counter of the described direct vaporation-type air-conditioner of claim 2.
4,, it is characterized in that said manager is made of one-chip computer and communication interface circuit according to the individual user fee counter of the described direct vaporation-type air-conditioner of each claim in the claim 2～3.
5,, it is characterized in that said data concentrator is made of one-chip computer and communication interface circuit according to the individual user fee counter of the described direct vaporation-type air-conditioner of each claim in the claim 2～4.
6,, it is characterized in that said one-chip computer is made of the H8/3644 cake core according to the individual user fee counter of the described direct vaporation-type air-conditioner of each claim in the claim 3～5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01127503 CN1342956A (en) | 2001-09-24 | 2001-09-24 | Family charge method and device of direct evaporation type central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01127503 CN1342956A (en) | 2001-09-24 | 2001-09-24 | Family charge method and device of direct evaporation type central air conditioner |
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| CN1342956A true CN1342956A (en) | 2002-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01127503 Pending CN1342956A (en) | 2001-09-24 | 2001-09-24 | Family charge method and device of direct evaporation type central air conditioner |
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| CN (1) | CN1342956A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332157C (en) * | 2003-11-11 | 2007-08-15 | Lg电子株式会社 | Central control system of air conditioners and method for operating the same |
| WO2007095847A1 (en) * | 2006-02-23 | 2007-08-30 | Gree Electric Appliances Inc. Of Zhuhai | A household charging method and system of a central air conditioner |
| CN100451472C (en) * | 2005-02-25 | 2009-01-14 | Lg电子株式会社 | Multi-air conditioner central control system and power control method thereof |
| CN101206067B (en) * | 2006-12-19 | 2010-06-16 | 三洋电机株式会社 | Air conditioning system and method of controlling the same |
| CN101908245A (en) * | 2010-07-15 | 2010-12-08 | 深圳麦克维尔空调有限公司 | Household-based charging method for multiple online air conditioners |
| CN102539860A (en) * | 2011-12-23 | 2012-07-04 | 青岛海尔空调电子有限公司 | Multiple on-line electricity measuring method, multiple on-line electricity measuring system and electric equipment unit system |
| CN104833038A (en) * | 2014-02-11 | 2015-08-12 | 珠海格力电器股份有限公司 | VRF air conditioner centralized control method and VRF air conditioner integrated controller |
| CN106875575A (en) * | 2017-02-23 | 2017-06-20 | 苏州云白环境设备股份有限公司 | A kind of charging method of commercial lampblack purifying system |
-
2001
- 2001-09-24 CN CN 01127503 patent/CN1342956A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332157C (en) * | 2003-11-11 | 2007-08-15 | Lg电子株式会社 | Central control system of air conditioners and method for operating the same |
| CN100451472C (en) * | 2005-02-25 | 2009-01-14 | Lg电子株式会社 | Multi-air conditioner central control system and power control method thereof |
| WO2007095847A1 (en) * | 2006-02-23 | 2007-08-30 | Gree Electric Appliances Inc. Of Zhuhai | A household charging method and system of a central air conditioner |
| CN101206067B (en) * | 2006-12-19 | 2010-06-16 | 三洋电机株式会社 | Air conditioning system and method of controlling the same |
| CN101908245A (en) * | 2010-07-15 | 2010-12-08 | 深圳麦克维尔空调有限公司 | Household-based charging method for multiple online air conditioners |
| CN102539860A (en) * | 2011-12-23 | 2012-07-04 | 青岛海尔空调电子有限公司 | Multiple on-line electricity measuring method, multiple on-line electricity measuring system and electric equipment unit system |
| CN102539860B (en) * | 2011-12-23 | 2014-04-09 | 青岛海尔空调电子有限公司 | Multiple on-line electricity measuring method, multiple on-line electricity measuring system and electric equipment unit system |
| CN104833038A (en) * | 2014-02-11 | 2015-08-12 | 珠海格力电器股份有限公司 | VRF air conditioner centralized control method and VRF air conditioner integrated controller |
| CN106875575A (en) * | 2017-02-23 | 2017-06-20 | 苏州云白环境设备股份有限公司 | A kind of charging method of commercial lampblack purifying system |
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