CN1584527A - Automatic charging and controlling system of central air conditioner - Google Patents
Automatic charging and controlling system of central air conditioner Download PDFInfo
- Publication number
- CN1584527A CN1584527A CN 03150444 CN03150444A CN1584527A CN 1584527 A CN1584527 A CN 1584527A CN 03150444 CN03150444 CN 03150444 CN 03150444 A CN03150444 A CN 03150444A CN 1584527 A CN1584527 A CN 1584527A
- Authority
- CN
- China
- Prior art keywords
- blower fan
- water
- air conditioner
- central air
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
An automatic control system of charge for central air-conditioning consists of running time transducer, flow meter and water temperature transducer on general water pipe, temperature transducer on water inlet and return pipe of the user, flow meter on water inlet pipe of the user and pulse electric meter on low voltage distribution loop. The charging meter can be formed by connecting abovesaid devices to central computer through input and output of controller.
Description
Technical field
The present invention relates to a kind of central air conditioner charging automatic control system.
Background technology
The charge of central air conditioner at present uses present situation to be, metering is not separately just divided by the size of user or tenant's usable floor area separately qualitatively, and this mode is that the most direct, most convenient, cost are minimum, but also is least reasonable, the easiest stirs debate.Often impel user's pernicious consumption, the sharp increase of operating cost.
So need a kind of scientific and rational charge system, and many with paying, few to realize with few economic principle of paying more, effectively avoid because of spreading out with unreasonable owner who causes of expense and administrative authority, contradiction between owner and owner and dispute.Adopt charge system, the expense of air-conditioning user payment is directly relevant with use amount, will promote greatly that the user consciously takes conservation measures, and the energy consumption of air-conditioning system will reduce greatly like this.Simultaneously, because the load of air-conditioning system reduces, the intelligent degree of feasible building is fully played and is embodied, and further brings into play energy-conservation potentiality.
The content of invention
The present invention relates to a kind of central air conditioner charging automatic control system, it comprise be installed in to charge the zone:
A) working time sensor, be used to add up accumulative total service time of central air conditioner;
B) be installed in water temperature sensor and flowmeter on the water-main;
C) be installed in temperature sensor on the advancing of user's fan coil distributive pipe, the water return pipeline respectively, utilize the temperature difference of water inlet, backwater to come the loss of calculating energy;
D) be installed in flowmeter on the inlet channel of user's fan coil distributive pipe, be used for the size of the chilled water/hot water flow of measurement flow warp;
E) the pulse ammeter on each low-voltage distribution loop;
The said equipment links to each other with the input-output apparatus of controller, forms Fee Schedule by central controlling computer image data.
Embodiment
The present invention relates to a kind of central air conditioner charging automatic control system, it comprises sensor working time that is installed in the zone of will chargeing, be installed in water temperature sensor on the water-main and flowmeter, be installed in the advancing of user's fan coil distributive pipe respectively, the temperature sensor on the water return pipeline, be installed in flowmeter and the pulse ammeter on each low-voltage distribution loop on the inlet channel of user's fan coil distributive pipe.
A) working time sensor
Working time, sensor was used for cold and heat source system is carried out running state monitoring, and the input/output interface of its access controller DDC is added up its accumulated running time.Concrete sensor working time that uses of the present invention is the sensor of this area routine, and it is commercially available.
B) be installed in water temperature sensor and flowmeter on the water-main
Be installed in water temperature sensor on the water-main and the input/output interface of flowmeter access controller DDC, calculate the cold of cold and heat source system by the computing module of DDC.
Described water temperature sensor is a sensor known in the art, and it is commercially available.In a better example of the present invention, described sensor adopts the pt 1000 resistor-type temperature sensors of HONEYWELL company, and platinum resistance temperature sensor has characteristics such as precision height, good stability, dependable performance.Can satisfy the requirement of native system fully as metering, control foundation.
Described flowmeter can adopt any flowmeter known in the art, comprises pressure-type flowmeter.
C) be installed in temperature sensor on the advancing of user's fan coil distributive pipe, the water return pipeline respectively
The temperature difference of described temperature sensor utilization water inlet, backwater is come the loss of calculating energy.Described water temperature sensor is a sensor known in the art, and it is commercially available.In a better example of the present invention, described water temperature sensor adopts the pt1000 resistor-type temperature sensor of HONEYWELL company, and platinum resistance temperature sensor has characteristics such as precision height, good stability, dependable performance.Can satisfy the requirement of native system fully as metering, control foundation.
D) be installed in flowmeter on the inlet channel of user's fan coil distributive pipe
It is used for the size of the chilled water/hot water flow of measurement flow warp.Described flowmeter can adopt any flowmeter known in the art, comprises pressure-type flowmeter.Because the consumption of energy is also relevant with the flow of water inlet except relevant with the temperature difference of water inlet, backwater.Therefore, described flowmeter d) with temperature sensor c) one be used from the consumption of calculating energy.
E) the pulse ammeter on each low-voltage distribution loop
According to the characteristics of charge system, the I/O interface that needs that the pulse ammeter is installed and insert DDC on each low-voltage distribution loop measures the electric energy in each low-voltage distribution loop.Described pulse ammeter can be any pulse ammeter known in the art.For example commercially available three-phase pulse ammeter, electronic element adopts module package, and its reliability height is easy to maintenance.The way of output is photoelectricity coupling output, avoids influencing each other between the instrument and equipment.
System of the present invention still inserts three retaining (high, medium and low) wind velocity signals of fan coil simultaneously on the I/O interface of DDC and handles, and measures the energy consumption values of Subscriber Unit time accurately, and adds up.The result of accumulative total leaves in the internal storage of DDC, and wait central air conditioner charging software of automatic control system is gathered automatically.And the power supply of blower fan controlled, handle so that carry out arrearage, cut off and use.The fast signal of described branch is measured with air velocity transducer.This sensor is well-known in the art.
The said equipment links to each other with the input-output apparatus of controller, forms Fee Schedule by central controlling computer image data.
The controller of system of the present invention adopts the XL500 controller of U.S. HONEYWELL company.The XL500 controller is the direct digital controller (DDC) able to programme based on microprocessor, adopt modular design, each XL500 can hold 18 plug-in modules at most, comprises computer module, a power module and a cover can free assembly I/O (I/O) module.Extend to 128 input/output points at most.XL500 computer module XL5010 is equipped with inside RAM128K-byte, O/S EPROM 512 byte and the database of storer Flash Memory128K byte as controller is housed, and uses for the debugging of user's field programming.
The valve actuator that is used for system of the present invention adopts the electronic linear valve actuator of ML7420 of HONEYWELL company, is used for modulation control, and step motor is accurately located again.The function that realizes is, the aperture that can come the control valve actuator according to the logical operation function of DDC according to air conditioning area temperature and design temperature reaches the water yield of regulating water inlet, finally reaches the purpose of regulating the air conditioning area temperature.
The central controlling computer that system of the present invention uses is the computing machine that this area is used to manage.Central air conditioner charging software of automatic control system is installed on this machine, and system management software module runs on complete Chinese operation interface under Chinese Windows 98/2000 environment, directly perceived, simple, easy operating.It finishes the functions such as data management, inquiry and form of total system, its also interpolation of user, equipment in the management system, deletes and is provided with etc.It carries out exchanges data by DDC and various field apparatus.
Those of ordinary skill in the art can easily write described system software in conjunction with its professional knowledge after having read content disclosed by the invention.
Described central controlling computer possesses following function:
-gathering each data of showing accurately and reliably also stores;
-have the break alarm function, write down broken string time, breakpoint circuit number automatically;
-strong anti-interference ability and non-stop run ability;
-the time of checking meter can be set arbitrarily, craft or automatic data logging;
-can select the specific user to check meter
-have the electronic chart function, clearly identify the installation site of each field apparatus;
-can divide the family or concentrate the various expense reports of printing;
-paying price of water, electricity, gas is set, multiple rate can be set, carry out time-shared charge;
-cryptographic levels is set, give the different stage operating personnel different rights;
-be provided with and check each user's interrelated data;
Because the blower fan of different model specification, or the blower fan of same model specification is with different air quantity work, the thermal energy that is transmitted is difference to some extent all, consider the versatility of system of the present invention, the real-time time of the blower fan of different model specification and different air quantity operation is converted to the time of day T of a standard
d
T
d＝T×M
j×M
k
Wherein:
T
d-------charge unit time
M
j-------coil pipe blower fan air-conditioning, new blower fan set type coefficient
M
k-------coil pipe blower fan air-conditioning, new blower fan group air volume coefficient
M
jBe one and coil pipe blower fan, air-conditioning, the relevant parameter of new blower fan group, but be a relative coefficient, for example the coil pipe blower fan of a selected model specification is done reference, makes the long-pending Q of its heat transfer area F and Coefficient K
b=F * K does standard, the M of this machine
j=1, the M of other blower fans
jEqual the long-pending and Q of its F and K
bRatio, that is: M
j=(F * K)/Q
bThose of ordinary skill in the art can easily determine the type coefficient of different units according to its professional knowledge after having read content disclosed by the invention.
M
kProportional with the rotating speed of coil pipe blower fan, for one three fast blower fan, can its M when rated voltage 220V
k=1, the M when other rotating speed
kEqual the ratio of its rotating speed and rated speed.
In addition, if do not adopt water temperature sensor and the flowmeter method with cold (heat) amount of calculating the user and consuming is not set on the fan coil water-main of each floor for the consideration of cost, so since the switch of coil pipe blower fan whether (or not consumed power) be not unique sign that the expression user consumes heat energy, whether flowing in the heat exchanger that the principal element of user's thermal energy consumption also is the coil pipe blower fan that (for example refrigeration host computer does not start cold (heat) matchmaker who passes through air conditioner refrigeration (or heating) at all because influence, in the heat exchanger of coil pipe blower fan the cold water of the room temperature state of mobile (or not flowing), or there is not water at all, open blower fan (having consumed electric energy) this moment, but blower fan can only be used as common electric fan, nature can not calculate user's use air-conditioning expense, can only measure the electric energy that blower fan consumes), therefore air-conditioning Status Flag Fa can be set, whether its sign refrigeration host computer is moving, the working time whether microprocessor of taximeter calculates the user according to this sign decision.Sign Fa both can use hardware setting, also can pass through software setting by host computer (middle control computer).
System of the present invention also has the device of the return air temperature of automatic monitoring air-conditioning unit.It is according to return air temperature, and the setting value of more cold and hot temperature according to the aperture that the PID pattern is regulated control cold water two-way valve automatically, is kept return air temperature in setting range.Reached purpose of energy saving when having improved the comfort level of public domain.
The device of the return air temperature of described automatic monitoring air-conditioning unit comprises the fan coil temperature controller, and the T6373 Series Microprocessor Temperature Controller that it adopts HONEYWELL company also can adopt each like product of other company.The switch of one three fast blower fan of described temperature controller may command and temperature control valve, temperature required with the control room.The connected mode of native system and fan coil temperature controller all adopts the connected mode of dry contact to insert the I/O module of DDC.
System of the present invention also has the device of the start and stop of automatic supervision blower fan and duty, fault alarm.The air-conditioning unit quits work (when pressure fan cuts out), and return fan is closed in automatic interlock, electronic two water-through valves.
System of the present invention adopts the mode of direct computing method and methodology combination: the pulse ammeter is installed on the current supply circuit of particular device is measured, the end at minute family uses fan coil metering to share the reading of this zone summary table.
In this article, term " direct computing method " is meant the energy resource consumption that charge system the is made a copy of air-conditioning usage charges that directly draw the user with unit price on duty.
In this article, term " methodology " is meant amounts to into the amount of money with the current energy consumption in whole buildings or certain zone, and each user of data computation shared ratio in wastage in bulk or weight of making a copy of according to charge system draws the current amount of money of should paying the fees of user.
Use automatic accounting system of the present invention can implement the principle of " whom who uses pay " better, help reducing contradiction, energy savings.
Claims (6)
1. central air conditioner charging automatic control system, it comprises and is installed in the zone of will chargeing:
A) working time sensor, be used to add up accumulative total service time of central air conditioner;
B) be installed in water temperature sensor and flowmeter on the water-main;
C) be installed in temperature sensor on the advancing of user's fan coil distributive pipe, the water return pipeline respectively, utilize the temperature difference of water inlet, backwater to come the loss of calculating energy;
C) be installed in flowmeter on the inlet channel of user's fan coil distributive pipe, be used for the size of the chilled water/hot water flow of measurement flow warp;
D) the pulse ammeter on each low-voltage distribution loop;
The said equipment links to each other with the input-output apparatus of controller, forms Fee Schedule by central controlling computer image data.
2. central air conditioner charging automatic control system as claimed in claim 1 is characterized in that it also has the device of the return air temperature of automatic monitoring air-conditioning unit.
3. central air conditioner charging automatic control system as claimed in claim 1 or 2, it is characterized in that it also has the device of the start and stop of automatic supervision blower fan and duty, fault alarm, so that quit work at the air-conditioning unit, pressure fan cuts out, the time automatic interlock close return fan, electronic two water-through valves.
4. central air conditioner charging automatic control system as claimed in claim 1 or 2 is characterized in that the time of day T that charges
dFor:
T
d＝T×M
j×M
k
Wherein:
T
dBe the charge unit time; M
jBe coil pipe blower fan air-conditioning, new blower fan set type coefficient; M
kBe coil pipe blower fan air-conditioning, new blower fan group air volume coefficient; M
jBe one and coil pipe blower fan, air-conditioning, the relevant parameter of new blower fan group.
5. central air conditioner charging automatic control system as claimed in claim 4 is characterized in that M
jBe following definite: determine the heat transfer area F of coil pipe blower fan of a model specification and the long-pending Q of Coefficient K
b=F * K makes the M of this machine
j=1, the M of other blower fan
jEqual the long-pending and Q of its F and K
bRatio, that is: M
j=(F * K)/Q
b
6. central air conditioner charging automatic control system as claimed in claim 1 or 2, it is characterized in that it also comprises the air velocity transducer that is installed in the fan coil place, be used for handling on the I/O interface with high, medium and low third gear wind velocity signal access DDC, measure the energy consumption values of Subscriber Unit time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03150444 CN1584527A (en) | 2003-08-19 | 2003-08-19 | Automatic charging and controlling system of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03150444 CN1584527A (en) | 2003-08-19 | 2003-08-19 | Automatic charging and controlling system of central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1584527A true CN1584527A (en) | 2005-02-23 |
Family
ID=34597534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03150444 Pending CN1584527A (en) | 2003-08-19 | 2003-08-19 | Automatic charging and controlling system of central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1584527A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101916463A (en) * | 2010-07-28 | 2010-12-15 | 北京海林节能设备股份有限公司 | Timing device and charging system for heating and ventilating air conditioner |
| CN101245938B (en) * | 2008-03-04 | 2011-09-14 | 叶嘉明 | Central air conditioning system |
| CN101051413B (en) * | 2007-03-30 | 2011-12-21 | 王学 | Monitoring and metering system and its method for central air conditioner cool and heat volume and electricity |
| CN102359794A (en) * | 2011-08-29 | 2012-02-22 | 深圳市锐钜科技有限公司 | Charging method and system for multi-connected central air conditioner external units |
| CN102589752A (en) * | 2011-01-14 | 2012-07-18 | 上海微电子装备有限公司 | Thermal power testing device and testing method thereof |
| CN104180825A (en) * | 2013-05-28 | 2014-12-03 | 成信绿集成股份有限公司 | Charge system of central air conditioner of hotel |
| CN104897309A (en) * | 2015-05-25 | 2015-09-09 | 北京筑捷科技有限公司 | Household metering method and system for central air conditioning |
| CN106017514A (en) * | 2016-06-14 | 2016-10-12 | 珠海格力电器股份有限公司 | Air conditioning charging system |
| CN107449448A (en) * | 2016-05-30 | 2017-12-08 | 珠海格力电器股份有限公司 | A kind of air conditioning charging system |
| 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 |
-
2003
- 2003-08-19 CN CN 03150444 patent/CN1584527A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101051413B (en) * | 2007-03-30 | 2011-12-21 | 王学 | Monitoring and metering system and its method for central air conditioner cool and heat volume and electricity |
| CN101245938B (en) * | 2008-03-04 | 2011-09-14 | 叶嘉明 | Central air conditioning system |
| CN101916463B (en) * | 2010-07-28 | 2012-06-27 | 北京海林节能设备股份有限公司 | Timing device and charging system for heating and ventilating air conditioner |
| CN101916463A (en) * | 2010-07-28 | 2010-12-15 | 北京海林节能设备股份有限公司 | Timing device and charging system for heating and ventilating air conditioner |
| CN102589752A (en) * | 2011-01-14 | 2012-07-18 | 上海微电子装备有限公司 | Thermal power testing device and testing method thereof |
| CN102359794A (en) * | 2011-08-29 | 2012-02-22 | 深圳市锐钜科技有限公司 | Charging method and system for multi-connected central air conditioner external units |
| CN102359794B (en) * | 2011-08-29 | 2013-07-03 | 深圳市锐钜科技有限公司 | Charging method and system for multi-connected central air conditioner external units |
| CN104180825A (en) * | 2013-05-28 | 2014-12-03 | 成信绿集成股份有限公司 | Charge system of central air conditioner of hotel |
| CN104897309A (en) * | 2015-05-25 | 2015-09-09 | 北京筑捷科技有限公司 | Household metering method and system for central air conditioning |
| CN107449448A (en) * | 2016-05-30 | 2017-12-08 | 珠海格力电器股份有限公司 | A kind of air conditioning charging system |
| CN106017514A (en) * | 2016-06-14 | 2016-10-12 | 珠海格力电器股份有限公司 | Air conditioning charging system |
| CN106017514B (en) * | 2016-06-14 | 2019-04-02 | 珠海格力电器股份有限公司 | A kind of air conditioning charging system |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100523635C (en) | Intelligent cluster control system of central air-conditioning | |
| CN101393451A (en) | Construction energy-conserving control method and system | |
| CN1584527A (en) | Automatic charging and controlling system of central air conditioner | |
| CN201302256Y (en) | Textile air conditioner used constant temperature and humidity variable air volume control system | |
| CN110597116B (en) | Real-time dynamic energy management and control system based on building energy consumption data | |
| CN101051005A (en) | Multifunction refrigeration air conditioner test platform | |
| CN109754195B (en) | Annual performance detection method of ground source heat pump system | |
| CN1749697A (en) | Equivalent energy charging method for central air conditioner metering fee | |
| CN100385205C (en) | Non-contact type heating and cooling two-purpose intelligent control individual household metering device for central heating | |
| CN1900859A (en) | Digital control heat supply managing and metering technical method | |
| CN2854541Y (en) | Intelligent heat measuring meter | |
| CN200965491Y (en) | Refrigeration air conditioning multi-function test platform | |
| CN200944049Y (en) | Electric quantity monitoring metering device of central air-conditioning cooling and heating quantity | |
| CN102620346A (en) | Temperature control-flow grade adjustment household-based heat metering system capable of adjusting and controlling room temperature | |
| CN101619988B (en) | Charging system of tail end box of variable air volume central air conditioner and charging method | |
| CN2909218Y (en) | On-line water quality automatic sampler | |
| CN1344921A (en) | Separated metering method and system for central air conditioner | |
| CN103104949A (en) | Heat metering method, system and heat metering device | |
| CN201003959Y (en) | Temperature controllable central air conditioner billing instrument based on BUS | |
| CN102226549A (en) | Multifunctional household-based heat metering distribution management device and metering method | |
| CN1712843A (en) | Air conditioning system with plural indoor units and its operation | |
| CN200979412Y (en) | A charging system for heating with individual room temperature control | |
| CN2745035Y (en) | Cost allocation device for central air-conditioner draught fan coil pipe in office buildings | |
| CN205351489U (en) | Balanced hot measurement system of water conservancy | |
| CN113883693A (en) | Metering method of centralized central air-conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |