CN102359794A - Charging method and system for multi-connected central air conditioner external units - Google Patents
Charging method and system for multi-connected central air conditioner external units Download PDFInfo
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- CN102359794A CN102359794A CN2011102506103A CN201110250610A CN102359794A CN 102359794 A CN102359794 A CN 102359794A CN 2011102506103 A CN2011102506103 A CN 2011102506103A CN 201110250610 A CN201110250610 A CN 201110250610A CN 102359794 A CN102359794 A CN 102359794A
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Abstract
The invention relates to a charging method and system for multi-connected central air conditioner external units; the expense of each air conditioner unit is calculated by the conduction area of an electronic expansion valve and the conduction time; and the charging method and the system for multi-connected central air conditioner external units has the advantages of simple wiring, stability, reliability, accurate calculation and capability of accurately allocating electric charge of each room in real time in application process so that the management on a whole building is simpler and more convenient.
Description
Technical field
The present invention relates to outer machine charging method of a kind of how online central air conditioner and system, relate in particular to outer machine charging method of a kind of how online central air conditioner and system.
Background technology
The method that the outer dynamo-electric amount of existing business air conditioner is distributed mostly adopts according to user's service time and usable floor area carrying out rough expense allocation; And seem more scientific and reasonable through confirming that according to machine cold medium flux in each machine distributes outer electromechanics to measure in each in the middle of the practical application.
In the existing method of distributing outer dynamo-electric amount according to cold medium flux with good grounds on pipeline mounting temperature sensor, pressure transducer, flow sensor carry out outer dynamo-electric amount distribution, it mainly contains following shortcoming:
Wiring is complicated: its measurement is an independent cover sensor acquisition circuit that is independent of air-conditioner controller, and much sensor is connected in separately on the pipeline, and wiring is very complicated.
Stability, precision is not high: its measuring accuracy depends on the measuring accuracy of sensor to a great extent, and flow sensor depends on the induction to cold medium flux in managing, so sensor accuracy is easy to the restriction of time of receiving or environment, shines into serious distortion.
Cost is high: this method at practical application middle controller, sensor, the connecting line expense can be very high.
Summary of the invention
The technical matters that the present invention solves is: make up a kind of central air conditioner charging method and system, overcome the technical matters that present technological wiring is complicated, calculation deviation is big, the monolithic stability reliability is low.
Technical scheme of the present invention is: make up the outer machine charging distribution method of a kind of how online central air conditioner; The refrigerant of said central air conditioner arrives condenser condenses through outdoor compressor; Output to evaporator through electric expansion valve again, said central air conditioner charging method comprises the steps
Obtain the aperture of electric expansion valve: the aperture and the working time of obtaining each electric expansion valve when in the charging phase, working;
Obtain the conducting area of each electric expansion valve: conducting area and working time when obtaining each electric expansion valve work according to the aperture of electric expansion valve;
Obtain the conducting area of all electric expansion valves of air-conditioning: the conducting area and the working time of obtaining all electric expansion valves of air-conditioning according to the conducting area of each electric expansion valve and working time;
Calculate the expense of each air-conditioning unit: according to conducting area and the working time of the conducting area of each electric expansion valve and working time and all electric expansion valves and consume total electric weight and calculate the electric weight of each air-conditioning unit at charging phase internal consumption, the expense that draws each air-conditioning unit according to the electric weight and the electric unit price of each air-conditioning unit consumption.
Further technical scheme of the present invention is: in the expense of calculating each air-conditioning unit, comprise the steps:
Obtain the conducting area of unit interval: conducting area and working time and total working time according to each electric expansion valve, draw the conducting area of unit interval;
Obtain the consumes power of unit interval: the conducting area and the conducting total area according to the unit interval, obtain the consumes power of unit interval;
Obtain the electric weight that each air-conditioning unit consumes:, draw each air-conditioning unit at the electric weight of phase internal consumption that charges according to the consumes power of each air-conditioning unit unit interval and the working time of each air-conditioning unit.
Further technical scheme of the present invention is: in obtaining the conducting area step of unit interval, comprising:
Electronic expansion valve opening does not change in the unit interval, and then the conducting area of interior electric expansion valve of unit interval equals the conducting area of this electric expansion valve;
Electronic expansion valve opening changes in the unit interval, then in the unit interval conducting area of electric expansion valve equal in unit interval electric expansion valve conducting interface weighted mean value.
Further technical scheme of the present invention is: the said unit interval is 5 to 20 minutes.
Further technical scheme of the present invention is: the said unit interval is 10 minutes.
Technical scheme of the present invention is: make up the outer machine charge system of a kind of how online central air conditioner; Comprise outdoor compressor, condenser, electric expansion valve, evaporator; The refrigerant of said central air conditioner arrives condenser condenses through outdoor compressor; Output to evaporator through electric expansion valve again; Said central air conditioner charge system also comprises the aperture collecting unit of gathering electronic expansion valve opening, first acquiring unit that obtains electric expansion valve conducting sectional area and working time, the conducting area that obtains all electric expansion valves of air-conditioning and the second acquisition unit of working time, calculates the electricity charge computing unit of the expense of each air-conditioning unit; Said first acquiring unit obtains the conducting sectional area of electric expansion valve according to the relation of the electronic expansion valve opening of said aperture collecting unit collection and electronic expansion valve opening and electric expansion valve conducting sectional area; Said second acquisition unit obtains conducting area and the working time that the result obtains all electric expansion valves of air-conditioning according to first acquiring unit; Said electricity charge computing unit is according to conducting area and the working time of the conducting area of each electric expansion valve and working time and all electric expansion valves and consume total electric weight and calculate the electric weight of each air-conditioning unit at charging phase internal consumption, the expense that draws each air-conditioning unit according to the electric weight and the electric unit price of each air-conditioning unit consumption.
Further technical scheme of the present invention is: said electricity charge computing unit comprise the conducting area that obtains the unit interval unit interval conducting area acquisition module, obtain the consumes power of unit interval unit interval consumes power acquisition module, obtain the air-conditioning unit consumes power acquisition module of each air-conditioning unit consumes power.
Further technical scheme of the present invention is: the storage unit that also comprises the relation of store electrons expansion valve opening and electric expansion valve conducting sectional area.
Technique effect of the present invention is: outer machine charging method of a kind of how online central air conditioner of the present invention and system; Conducting area and ON time through electric expansion valve calculate each air-conditioning unit consumption expense of machine outward; Central air conditioner charging method of the present invention and system's wiring in application are simple, reliable and stable, calculate accurately; Also can accurately distribute each room electricity charge in real time, make whole building management more simple and convenient.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
Fig. 2 is a connection synoptic diagram of the present invention.
Fig. 3 is each air-conditioning unit consumes power process flow diagram of calculating of the present invention.
Fig. 4 is a structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is further specified.
Like Fig. 1, shown in Figure 2, embodiment of the present invention is: make up the outer machine charging method of a kind of how online central air conditioner, the refrigerant of said central air conditioner to condenser condenses, outputs to evaporator through electric expansion valve through outdoor compressor again.Because refrigerant is liquid state or gaseous state under the refrigerant normal condition; Refrigerant is through all equating at each electric expansion valve place through pressure before the electric expansion valve after the outdoor condenser; So refrigerant is directly proportional with this place's electric expansion valve conducting diameter through the coolant quantity of indoor set; Thus, the outer machine charging method of said how online central air conditioner comprises the steps
Step 100: obtain the aperture of electric expansion valve, that is: obtain the aperture and the working time of each electric expansion valve when in the charging phase, working.
The practical implementation process is following: in shared how online central air conditioner; Every interior machine will pass through electric expansion valve before refrigerant gets into evaporator; And electronic expansion valve opening is controlled by interior machine, and simultaneously, electric expansion valve is to be controlled by the stepper motor proceed step by step; The air-conditioning expansion valve that initially powers at every turn or shut down all can close extremely, and expansion valve opening zero clearing has simultaneously reached the purpose of calibration.In use, indoor set can send current expansion valve opening value to central controller and host computer through mixed-media network modules mixed-media, and host computer just gets up every corresponding electronic expansion valve opening real-time storage of interior machine, has so just obtained the aperture of electric expansion valve.
Step 200: obtain the conducting area of each electric expansion valve, that is: conducting area and working time when obtaining each electric expansion valve work according to the aperture of electric expansion valve.
The practical implementation process is following: the table of comparisons of the corresponding current electric expansion valve conducting area of store electrons expansion valve opening in system; After obtaining electronic expansion valve opening, can obtain the conducting sectional area of electric expansion valve according to tabling look-up; Simultaneously; Write down the time of each electric expansion valve conducting, that is, and the working time of air-conditioning unit.
Step 300: obtain the conducting area of all electric expansion valves of air-conditioning, that is: the conducting area and the working time of obtaining all electric expansion valves of air-conditioning according to the conducting area of each electric expansion valve and working time.Each electric expansion valve conducting area and working time are added up to, obtain the conducting area and the working time of all electric expansion valves of air-conditioning.
Step 400: the expense of calculating each air-conditioning unit; That is: according to conducting area and the working time of the conducting area of each electric expansion valve and working time and all electric expansion valves and consume total electric weight and calculate the electric weight of each air-conditioning unit at charging phase internal consumption, the expense that draws each air-conditioning unit according to the electric weight and the electric unit price of each air-conditioning unit consumption.
As shown in Figure 3, the practical implementation process is following: in system, electricity charge branch is equipped with the unit interval meter, and concrete computation process is following:
Step 401: obtain the conducting area of unit interval, that is: according to conducting area and working time and total working time of each electric expansion valve, draw the conducting area of unit interval.
Detailed process is following: in the unit interval, flow to each evaporator cold medium flux ratio and have two kinds of situation:
The organic electronic expansion valve opening does not change in ten minutes, electric expansion valve conducting sectional area S △=S then, and wherein: S is the conducting area that begins the unit interval.
If the organic electronic expansion valve opening is regulated in ten minutes; Then electric expansion valve conducting area S △ equal in unit interval electric expansion valve conducting interface weighted mean value; Be S △=(S1*T1+S2*T2+ ... Sn*Tn)/T; Wherein, Sn is the conducting area at Tn electric expansion valve in the time, and T is T.T..
Step 402: obtain the consumes power of unit interval, that is: according to the conducting area and the conducting total area of unit interval, obtain the consumes power of unit interval.
Step 403: obtain the electric weight that each air-conditioning unit consumes, that is:, draw each air-conditioning unit at the electric weight of phase internal consumption that charges according to the consumes power of each air-conditioning unit unit interval and the working time of each air-conditioning unit.
Draw the outer dynamo-electric amount of consumption according to the conducting sectional area, after obtaining S △, each start air-conditioned room refrigerant consumption follows S △ to be directly proportional, to closing air conditioner S △=0.So n platform air-conditioning is dynamo-electric amount Wn outside the unit interval internal consumption:
Wn=Q*S△n/（S1?+S2?+……+Sm）
Wherein: Q is the inside and outside total electric weight of machine consumption of unit interval, is drawn by the system queries ammeter; M is the total platform number of indoor set, (S1+S2+... + Sm) be the conducting interface of all electric expansion valves of air-conditioning in the chargeable time.
Pass through aforementioned calculation; Draw the electric weight that machine consumes in each air-conditioning unit in the unit interval; With unit interval internal consumption electric weight addition; Can obtain an air-conditioning dynamo-electric amount total value outside a period of time internal consumption, the expense that draws each air-conditioning unit according to the electric weight and the electric unit price of each air-conditioning unit consumption then.
In the practical implementation process, the said unit interval is 5 to 20 minutes.In the embodiment of the invention, the said unit interval is 10 minutes.
As shown in Figure 4; Embodiment of the present invention is: make up the outer machine charging method of a kind of how online central air conditioner; Comprise outdoor compressor, condenser, electric expansion valve, evaporator; The refrigerant of said central air conditioner arrives condenser condenses through outdoor compressor; Output to evaporator through electric expansion valve again; Said central air conditioner charge system also comprises the aperture collecting unit 1 of gathering electronic expansion valve opening, obtain electric expansion valve conducting sectional area and working time first acquiring unit 2, obtain all electric expansion valves of air-conditioning conducting area and the second acquisition unit of working time 3, calculate the electricity charge computing unit 4 of the expense of each air-conditioning unit; Said first acquiring unit 2 obtains the conducting sectional area of electric expansion valve according to the relation of the electronic expansion valve opening of said aperture collecting unit collection and electronic expansion valve opening and electric expansion valve conducting sectional area; Said second acquisition unit 3 obtains conducting area and the working time that the result obtains all electric expansion valves of air-conditioning according to first acquiring unit; Said electricity charge computing unit 4 is according to conducting area and the working time of the conducting area of each electric expansion valve and working time and all electric expansion valves and consume total electric weight and calculate the electric weight of each air-conditioning unit at charging phase internal consumption, the expense that draws each air-conditioning unit according to the electric weight and the electric unit price of each air-conditioning unit consumption.
The practical implementation process is following: indoor set can send current expansion valve opening value to central controller and host computer through mixed-media network modules mixed-media; Host computer just gets up every corresponding electronic expansion valve opening real-time storage of interior machine, and aperture collecting unit 1 has just obtained the aperture of electric expansion valve like this.The table of comparisons of the corresponding current electric expansion valve conducting area of store electrons expansion valve opening in system; After obtaining electronic expansion valve opening; First acquiring unit 2 can obtain the conducting sectional area of electric expansion valve according to tabling look-up, and simultaneously, writes down the time of each electric expansion valve conducting; That is the working time of air-conditioning unit.Said second acquisition unit 3 adds up to each electric expansion valve conducting area and working time, obtains the conducting area and the working time of all electric expansion valves of air-conditioning.Electricity charge computing unit 4 is according to conducting area and the working time of the conducting area of each electric expansion valve and working time and all electric expansion valves and consume total electric weight and calculate the electric weight of each air-conditioning unit at charging phase internal consumption, the expense that draws each air-conditioning unit according to the electric weight and the electric unit price of each air-conditioning unit consumption.Wherein, unit interval conducting area acquisition module 41 draws the conducting area of unit interval according to conducting area and working time and total working time of each electric expansion valve.
Detailed process is following: in the unit interval, flow to each evaporator cold medium flux ratio and have two kinds of situation:
The organic electronic expansion valve opening does not change in ten minutes, electric expansion valve conducting sectional area S △=S then, and wherein: S is the conducting area that begins the unit interval.
If the organic electronic expansion valve opening is regulated in ten minutes; Then electric expansion valve conducting area S △ equal in unit interval electric expansion valve conducting interface weighted mean value; Be S △=(S1*T1+S2*T2+ ... Sn*Tn)/T; Wherein, Sn is the conducting area at Tn electric expansion valve in the time, and T is T.T..
Unit interval consumes power acquisition module 42 obtains the consumes power of unit interval according to the conducting area and the conducting total area of unit interval.
Air-conditioning unit consumes power acquisition module 43 draws each air-conditioning unit at the electric weight of phase internal consumption that charges according to the consumes power of each air-conditioning unit unit interval and the working time of each air-conditioning unit.
Detailed process is following: draw according to the conducting sectional area and consume outer dynamo-electric amount, after obtaining S △, each start air-conditioned room refrigerant consumption is directly proportional with S △, to closing air conditioner S △=0.So n platform air-conditioning is dynamo-electric amount Wn outside the unit interval internal consumption:
Wn=Q*S△n/（S1?+S2?+……+Sm）
Wherein: Q is the inside and outside total electric weight of machine consumption of unit interval, is drawn by the system queries ammeter; M is the total platform number of indoor set, (S1+S2+... + Sm) be the conducting interface of all electric expansion valves of air-conditioning in the chargeable time.
In the specific embodiment, the outer machine charge system of said how online central air conditioner also comprises the storage unit 5 of the relation of store electrons expansion valve opening and electric expansion valve conducting sectional area.
Technique effect of the present invention is: a kind of central air conditioner charging method of the present invention and system; Conducting area and ON time through electric expansion valve calculate each air-conditioning unit consumption expense of machine outward; Central air conditioner charging method of the present invention and system's wiring in application are simple, reliable and stable, calculate accurately; Also can accurately distribute each room electricity charge in real time, make whole building management more simple and convenient.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (8)
1. the outer machine charging method of online central air conditioner more than a kind, the refrigerant of said central air conditioner to condenser condenses, outputs to evaporator through electric expansion valve through outdoor compressor again, and said how online central air conditioner machine charging method outward comprises the steps
Obtain the aperture of electric expansion valve: the aperture and the working time of obtaining each electric expansion valve when in the charging phase, working;
Obtain the conducting area of each electric expansion valve: conducting area and working time when obtaining each electric expansion valve work according to the aperture of electric expansion valve;
Obtain the conducting area of all electric expansion valves of air-conditioning: the conducting area and the working time of obtaining all electric expansion valves of air-conditioning according to the conducting area of each electric expansion valve and working time;
Calculate the expense of each air-conditioning unit: according to conducting area and the working time of the conducting area of each electric expansion valve and working time and all electric expansion valves and consume total electric weight and calculate the electric weight of each air-conditioning unit at charging phase internal consumption, the expense that draws each air-conditioning unit according to the electric weight and the electric unit price of each air-conditioning unit consumption.
2. according to the outer machine charging method of the said how online central air conditioner of claim 1, it is characterized in that, in the expense of calculating each air-conditioning unit, comprise the steps:
Obtain the conducting area of unit interval: conducting area and working time and total working time according to each electric expansion valve, draw the conducting area of unit interval;
Obtain the consumes power of unit interval: the conducting area and the conducting total area according to the unit interval, obtain the consumes power of unit interval;
Obtain the electric weight that each air-conditioning unit consumes:, draw each air-conditioning unit at the electric weight of phase internal consumption that charges according to the consumes power of each air-conditioning unit unit interval and the working time of each air-conditioning unit.
3. according to the outer machine charging method of the said how online central air conditioner of claim 2, it is characterized in that, in obtaining the conducting area step of unit interval, comprising:
Electronic expansion valve opening does not change in the unit interval, and then the conducting area of interior electric expansion valve of unit interval equals the conducting area of this electric expansion valve;
Electronic expansion valve opening changes in the unit interval, then in the unit interval conducting area of electric expansion valve equal in unit interval electric expansion valve conducting interface weighted mean value.
4. according to the outer machine charging method of the said how online central air conditioner of claim 2, it is characterized in that the said unit interval is 5 to 20 minutes.
5. according to the outer machine charging method of the said how online central air conditioner of claim 4, it is characterized in that the said unit interval is 10 minutes.
6. the outer machine charge system of online central air conditioner more than a kind; Comprise outdoor compressor, condenser, electric expansion valve, evaporator; The refrigerant of said central air conditioner arrives condenser condenses through outdoor compressor; Output to evaporator through electric expansion valve again; It is characterized in that; Also comprise the aperture collecting unit of gathering electronic expansion valve opening, first acquiring unit that obtains electric expansion valve conducting sectional area and working time, the conducting area that obtains all electric expansion valves of air-conditioning and the second acquisition unit of working time, calculate the electricity charge computing unit of the expense of each air-conditioning unit; Said first acquiring unit obtains the conducting sectional area of electric expansion valve according to the relation of the electronic expansion valve opening of said aperture collecting unit collection and electronic expansion valve opening and electric expansion valve conducting sectional area; Said second acquisition unit obtains conducting area and the working time that the result obtains all electric expansion valves of air-conditioning according to first acquiring unit; Said electricity charge computing unit is according to conducting area and the working time of the conducting area of each electric expansion valve and working time and all electric expansion valves and consume total electric weight and calculate the electric weight of each air-conditioning unit at charging phase internal consumption, the expense that draws each air-conditioning unit according to the electric weight and the electric unit price of each air-conditioning unit consumption.
7. according to the outer machine charge system of the said how online central air conditioner of claim 6; It is characterized in that, said electricity charge computing unit comprise the conducting area that obtains the unit interval unit interval conducting area acquisition module, obtain the consumes power of unit interval unit interval consumes power acquisition module, obtain the air-conditioning unit consumes power acquisition module of each air-conditioning unit consumes power.
8. according to the outer machine charge system of the said how online central air conditioner of claim 6, it is characterized in that, also comprise the storage unit of the relation of store electrons expansion valve opening and electric expansion valve conducting sectional area.
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| CN107560078A (en) * | 2017-09-04 | 2018-01-09 | 珠海格力电器股份有限公司 | An a kind of one driven multiple air conditioner and its interior machine electricity consumption ratio calculate, power energy allocation method |
| CN109061288A (en) * | 2018-07-16 | 2018-12-21 | 珠海格力电器股份有限公司 | Household cost allocation method, apparatus, system and the billing terminal of multi-line system |
| CN109188938A (en) * | 2018-08-16 | 2019-01-11 | 珠海聚能精密工业有限公司 | Intelligent motor protection and Internet of Things remotely control metering system |
| CN112066520A (en) * | 2020-09-17 | 2020-12-11 | 无锡职业技术学院 | Intelligent building air conditioner charging and intelligent management and control system |
| CN112413830A (en) * | 2020-11-02 | 2021-02-26 | 青岛海尔空调器有限总公司 | Information processing method and information processing equipment for shared air conditioning system |
| CN113137712A (en) * | 2021-04-08 | 2021-07-20 | 珠海格力电器股份有限公司 | Metering method for power consumption of electronic expansion valve and air conditioner |
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| US11624009B2 (en) | 2016-12-22 | 2023-04-11 | Toagosei Co., Ltd. | Adhesive composition, and coverlay film, bonding sheet, copper-clad laminate and electromagnetic shielding material, each using said adhesive composition |
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| CN112413830A (en) * | 2020-11-02 | 2021-02-26 | 青岛海尔空调器有限总公司 | Information processing method and information processing equipment for shared air conditioning system |
| WO2022088895A1 (en) * | 2020-11-02 | 2022-05-05 | 重庆海尔空调器有限公司 | Information processing method and information processing device for shared air-conditioning system |
| CN113137712A (en) * | 2021-04-08 | 2021-07-20 | 珠海格力电器股份有限公司 | Metering method for power consumption of electronic expansion valve and air conditioner |
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