CN105571089A - Energy-saving intelligent ecological central air conditioning device - Google Patents
Energy-saving intelligent ecological central air conditioning device Download PDFInfo
- Publication number
- CN105571089A CN105571089A CN201610091013.3A CN201610091013A CN105571089A CN 105571089 A CN105571089 A CN 105571089A CN 201610091013 A CN201610091013 A CN 201610091013A CN 105571089 A CN105571089 A CN 105571089A
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- Prior art keywords
- central air
- circulating pump
- cooling water
- water pipe
- temperature sensor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an energy-saving intelligent ecological central air conditioning device. According to the structure of the energy-saving intelligent ecological central air conditioning device, the output end of central air conditioner operating parameter collecting equipment is connected with the input end of a controller, the output end of the controller is connected with the input end of a frequency converter, and the output end of the frequency converter is connected to a central air conditioner. The central air conditioner comprises a main refrigeration machine, a cooling water pipe, a freezing water pipe, a cooling water circulating pump, a freezing water circulating pump and a cooling tower fan. The cooling water pipe and the freezing water pipe are connected to the main refrigeration machine, the cooling water circulating pump is connected to the cooling water pipe, and the freezing water circulating pump and the cooling tower fan are connected to the freezing water pipe. The central air conditioner operating parameter collecting equipment comprises a flowmeter, a differential pressure transducer and a temperature sensor. The frequency converter comprises the frequency conversion output end of the cooling water circulating pump, the frequency conversion output end of the freezing water circulating pump and the frequency conversion output end of the cooling tower fan. The energy-saving intelligent ecological central air conditioning device has the beneficial effects that refrigerating capacity is output in the manner of temperature compensation and on-demanded refrigeration, the central air conditioner operates in the optimum work state, the aim of saving energy is achieved, and in addition, the intelligent household concept and intelligentization are introduced.
Description
Technical field
The present invention relates to a kind of energy-saving control device, be specifically related to the ecological central air conditioning plant of a kind of energy-conserving intelligent.
Background technology
Current most central air conditioner system mostly is early production pattern, be oepration at full load full during operation, carry out the number of units of controlled circulation pump by controlling opening of valve, valve location carrys out adjust flux, the control and regulation pattern of this single, open loop, extensive style causes the waste of a large amount of electric energy, control accurate not, use uneconomical, along with developing rapidly of urbanization process, the central air-conditioning used in building gets more and more.At present, the energy consumption of central air-conditioning accounts for more than 40% of whole building.Therefore, how to take effective measures, Energy Saving Control is carried out to central air-conditioning, thus the energy consumption reducing central air-conditioning has larger development space.In prior art, central air-conditioning is primarily of compositions such as refrigeration machine, cooling water recirculation system and the chilled water circulatory systems.When central air-conditioning designs, for ensureing can to meet consumers' demand when weather temperature is the highest, usually design according to peak load and exist about 15% affluence amount, therefore, during every day use, central air-conditioning can not reach running at full capacity, and cooling water pump unit and chilled water pump unit are the firm discharge mode of operation by design maximum flow set, cause the flow of cooling water pump unit and chilled water pump unit not mate with central air-conditioning load thus, cause the great wasting of resources.In addition, in current industry, Smart Home is greatly developed, in the life of each family of introducing that intelligent household is a large amount of.
Summary of the invention
The object of the present invention is to provide the ecological central air conditioning plant of a kind of energy-conserving intelligent, this apparatus structure is simple, easy to use, has manual intelligent concurrently, and automatically can adjust the output of the rotating speed of circulating pump and the output of refrigeration unit and end refrigerating capacity according to actual needs, realize unattended function.
The technical solution used in the present invention is as follows: the ecological central air conditioning plant of a kind of energy-conserving intelligent, comprises central air-conditioning, central air-conditioning operational factor collecting device, controller and frequency converter; The input of central air-conditioning operational factor collecting device output connection control device, the output of controller is connected with the input of frequency converter, the output of frequency converter is connected to central air-conditioning to be adjusted, central air-conditioning comprises refrigeration host computer device, be connected to cooling water pipe on refrigeration host computer device and chilled water pipe, the cooling water circulating pump be connected on cooling water pipe, be connected to chilled water circulating pump on chilled water pipe and blower fan of cooling tower, and central air-conditioning operational factor collecting device comprises flowmeter, differential pressure pickup, temperature sensor; Frequency converter comprises the frequency conversion output of the frequency conversion output of cooling water circulating pump, the frequency conversion output of chilled water circulating pump and blower fan of cooling tower; It is characterized in that: the first temperature sensor is installed on cooling water pipe, the first differential pressure pickup is installed between cooling water intake position and delivery port position, in cooling water intake position and delivery port position, first-class gauge is installed respectively; Chilled water pipe is installed the second temperature sensor, the second differential pressure pickup is installed between chilled water water inlet position and delivery port position, in chilled water water inlet position and delivery port position, second gauge is installed respectively; Three-temperature sensor and the 3rd flowmeter are installed in blower fan of cooling tower exit; Described first-class gauge, second gauge, the 3rd flowmeter, the first differential pressure pickup, the second differential pressure pickup, the second temperature sensor of the first temperature sensor, the signal output part of three-temperature sensor are respectively by the signals collecting end of data wire connection control device, in external environment condition, the 4th temperature sensor is installed, the signals collecting end of the 4th temperature sensor connection control device, the output of controller is connected to the frequency conversion output of cooling water circulating pump, chilled water circulating pump and blower fan of cooling tower respectively by data wire.
Chilled water pipe of the present invention is also provided with small pump, and the frequency control terminal of described small pump is connected to the moisturizing signal output part of controller.
Controller of the present invention comprises microprocessor module, network communication module, digital collection module, power module and transmitter module; Described power module connects microprocessor module, network communication module, digital collection module, transmitter module respectively; Described microprocessor module is interconnection network communication module, digital collection module, transmitter module respectively; The receiving terminal of transmitter module is PC end or mobile phone terminal.
Advantage of the present invention is: the present invention's employing temperature-compensating, the mode of freezing as required is to export refrigerating capacity, according to setting target temperature, the output of reference chamber internal-external temperature difference determination refrigerating capacity, the power output of refrigeration host computer is determined according to the consumption of refrigerating capacity, thus under making air conditioning terminal operate in a state taking actual demand as benchmark, thus under making central air-conditioning run on optimum Working, reach the object of economize energy, in addition Smart Home concept is introduced, the network communication module that controller is arranged is connected mobile phone terminal with transmitter module, by Long-distance Control central air-conditioning, realize intelligent.
Accompanying drawing explanation
Fig. 1 is structural principle block diagram of the present invention.
Fig. 2 is central air-conditioning structural representation of the present invention.
Fig. 3 is controller principle figure of the present invention.
In the drawings, central air-conditioning 1, central air-conditioning operational factor collecting device 2, controller 3 and frequency converter 4, refrigeration host computer device 5, cooling water pipe 6, chilled water pipe 7, cooling water circulating pump 8, chilled water circulating pump 9, blower fan of cooling tower 10, flowmeter 11, differential pressure pickup 12, temperature sensor 13, first temperature sensor 14, first differential pressure pickup 15, first-class gauge 16, second temperature sensor 17, second differential pressure pickup 18, second gauge 19, three-temperature sensor 20, 3rd flowmeter 21, 4th temperature sensor 22, small pump 23, microprocessor module 24, network communication module 25, digital collection module 26, power module 28, transmitter module 27, mobile phone terminal 29.
Detailed description of the invention
The present invention comes work and enforcement like this, and the ecological central air conditioning plant of a kind of energy-conserving intelligent, comprises central air-conditioning 1, central air-conditioning operational factor collecting device 2, controller 3 and frequency converter 4; The input of central air-conditioning operational factor collecting device 2 output connection control device 3, the output of controller 3 is connected with the input of frequency converter 4, the output of frequency converter 4 is connected to central air-conditioning 1 to be adjusted, central air-conditioning 1 comprises refrigeration host computer device 5, be connected to cooling water pipe 6 on refrigeration host computer device 5 and chilled water pipe 7, the cooling water circulating pump 8 be connected on cooling water pipe 6, the chilled water circulating pump 9 be connected on chilled water pipe 7, blower fan of cooling tower 10, and central air-conditioning operational factor collecting device 2 comprises flowmeter 11, differential pressure pickup 12, temperature sensor 13; Frequency converter 4 comprises the frequency conversion output of the frequency conversion output of cooling water circulating pump, the frequency conversion output of chilled water circulating pump and blower fan of cooling tower; It is characterized in that: the first temperature sensor 14 is installed on cooling water pipe 6, the first differential pressure pickup 15 is installed between cooling water intake position and delivery port position, in cooling water intake position and delivery port position, first-class gauge 16 is installed respectively; Chilled water pipe 7 is installed the second temperature sensor 17, the second differential pressure pickup 18 is installed between chilled water water inlet position and delivery port position, in chilled water water inlet position and delivery port position, second gauge 19 is installed respectively; In blower fan of cooling tower 10 exit, three-temperature sensor 20 and the 3rd flowmeter 21 are installed; Described first-class gauge 16, second gauge 19, the second temperature sensor 17 of the 3rd flowmeter 21, first differential pressure pickup 15, second differential pressure pickup 18, first temperature sensor 14, the signal output part of three-temperature sensor 20 are respectively by the signals collecting end of data wire connection control device 3, in external environment condition, the 4th temperature sensor 22 is installed, the signals collecting end of the 4th temperature sensor 22 connection control device 3, the output of controller 3 is connected to the frequency conversion output of cooling water circulating pump 8, chilled water circulating pump 9 and blower fan of cooling tower 10 respectively by data wire; Described chilled water pipe 7 is also provided with small pump 23, and the frequency control terminal of described small pump 23 is connected to the moisturizing signal output part of controller 3; Described controller 3 comprises microprocessor module 24, network communication module 25, digital collection module 26, power module 28 and transmitter module 27; Described power module 28 connects microprocessor module 24, network communication module 25, digital collection module 26, transmitter module 27 respectively; Described microprocessor module 24 is interconnection network communication module 25, digital collection module 26, transmitter module 27 respectively; The receiving terminal of transmitter module 27 is PC end or mobile phone terminal 29.
The present invention installs temperature, pressure sensor respectively on the pipeline of cooling water pipe 6 and chilled water pipe 7, the temperature signal of two-way temperature sensor collection is input to the differential temperature controller in controller 3, differential temperature controller display temperature approach, temperature difference reference value can be set, and output signal is delivered to control centre, output signal is delivered to the analog input port of cooling water circulating pump 8, chilled water circulating pump 9 and blower fan of cooling tower 10 frequency converter after computing; When cooling backwater is than preferred temperature height, cooling water circulating pump 8, blower fan of cooling tower 10 all full range 50Hz run, and when being down to below desired value to temperature, blower fan of cooling tower 10, cooling water circulating pump 8 low-frequency operation, enter energy-saving run state.With should chilled water temperature higher than its desired value time, the equal full range 50Hz of refrigeration host computer, chilled water circulating pump runs, and when temperature is lower than its desired value, both all enter the power save mode of low-frequency operation, thus realize the equilibrium of supply and demand.In addition, the small pump in the circulatory system by the pressure stability of recirculated water at a steady state value, when pipeline pressure starts moisturizing lower than small pump during this value, can stop moisturizing when arriving setting value, guarantees equipment stable operation.
Operation principle of the present invention is: (1) is in central air-conditioning 1 running, the collection of central air-conditioning operational factor is established, 2 Real-time Collection central air-conditioning current operating parameter, and the central air-conditioning current operating parameter collected is uploaded to controller 3, wherein, central air-conditioning operational factor collecting device 2 Real-time Collection central air-conditioning current operating parameter specifically comprises following parameter: flowmeter 11 gathers cooling water flow of inlet water, cooling water water flow, chilled water flow of inlet water, chilled water water flow and blower fan of cooling tower air-out flow; The ambient temperature gathering cooling water leaving water temperature, cold in-water temperature, chilled water leaving water temperature, chilled water inflow temperature, blower fan of cooling tower leaving air temp and central air-conditioning place pacified by temperature sensor 12; Differential pressure pickup 13 gathers the pressure differential of the pressure differential of cooling water intake and delivery port, chilled water water inlet and delivery port; (2) controller 3 receives all kinds of central air-conditioning current operating parameter, then history data is obtained, the optimal processing parameter value needed for end central air-conditioning load is calculated according to FUZZY ALGORITHMS FOR CONTROL, then compare optimal processing parameter value and central air-conditioning current operating parameter, obtain deviate; (3) controller generates corresponding controlled quentity controlled variable according to deviate, then control signal is sent to frequency converter, by the rotating speed of frequency converter adjustment cooling water pump unit, chilled water pump unit and blower fan of cooling tower, and then under making central air-conditioning operate in optimum process condition, reach energy-conservation object.
Claims (3)
1. the ecological central air conditioning plant of energy-conserving intelligent, comprises central air-conditioning, central air-conditioning operational factor collecting device, controller and frequency converter; The input of central air-conditioning operational factor collecting device output connection control device, the output of controller is connected with the input of frequency converter, the output of frequency converter is connected to central air-conditioning to be adjusted, central air-conditioning comprises refrigeration host computer device, be connected to cooling water pipe on refrigeration host computer device and chilled water pipe, the cooling water circulating pump be connected on cooling water pipe, the chilled water circulating pump be connected on chilled water pipe, blower fan of cooling tower, and central air-conditioning operational factor collecting device comprises flowmeter, differential pressure pickup, temperature sensor; Frequency converter comprises the frequency conversion output of the frequency conversion output of cooling water circulating pump, the frequency conversion output of chilled water circulating pump and blower fan of cooling tower; It is characterized in that: the first temperature sensor is installed on cooling water pipe, the first differential pressure pickup is installed between cooling water intake position and delivery port position, in cooling water intake position and delivery port position, first-class gauge is installed respectively; Chilled water pipe is installed the second temperature sensor, the second differential pressure pickup is installed between chilled water water inlet position and delivery port position, in chilled water water inlet position and delivery port position, second gauge is installed respectively; Three-temperature sensor and the 3rd flowmeter are installed in blower fan of cooling tower exit; Described first-class gauge, second gauge, the 3rd flowmeter, the first differential pressure pickup, the second differential pressure pickup, the second temperature sensor of the first temperature sensor, the signal output part of three-temperature sensor are respectively by the signals collecting end of data wire connection control device, in external environment condition, the 4th temperature sensor is installed, the signals collecting end of the 4th temperature sensor connection control device, the output of controller is connected to the frequency conversion output of cooling water circulating pump, chilled water circulating pump and blower fan of cooling tower respectively by data wire.
2. the ecological central air conditioning plant of a kind of energy-conserving intelligent according to claim 1, it is characterized in that: described chilled water pipe is also provided with small pump, the frequency control terminal of described small pump is connected to the moisturizing signal output part of controller.
3. the ecological central air conditioning plant of a kind of energy-conserving intelligent according to claim 1, is characterized in that: described controller comprises microprocessor module, network communication module, digital collection module, power module and transmitter module; Described power module connects microprocessor module, network communication module, digital collection module, transmitter module respectively; Described microprocessor module is interconnection network communication module, digital collection module, transmitter module respectively; The receiving terminal of transmitter module is PC end or mobile phone terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610091013.3A CN105571089A (en) | 2016-02-18 | 2016-02-18 | Energy-saving intelligent ecological central air conditioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610091013.3A CN105571089A (en) | 2016-02-18 | 2016-02-18 | Energy-saving intelligent ecological central air conditioning device |
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| Publication Number | Publication Date |
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| CN105571089A true CN105571089A (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610091013.3A Pending CN105571089A (en) | 2016-02-18 | 2016-02-18 | Energy-saving intelligent ecological central air conditioning device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375415A (en) * | 2019-06-25 | 2019-10-25 | 上海华船资产管理有限公司 | The frequency-changing control system of central air-conditioning |
| CN111190354A (en) * | 2020-01-02 | 2020-05-22 | 珠海格力电器股份有限公司 | Linkage control method of intelligent box and intelligent box |
| CN115682572A (en) * | 2022-11-07 | 2023-02-03 | 珠海格力电器股份有限公司 | Chilled water unit load determining and loading and unloading control method, device and equipment |
-
2016
- 2016-02-18 CN CN201610091013.3A patent/CN105571089A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375415A (en) * | 2019-06-25 | 2019-10-25 | 上海华船资产管理有限公司 | The frequency-changing control system of central air-conditioning |
| CN111190354A (en) * | 2020-01-02 | 2020-05-22 | 珠海格力电器股份有限公司 | Linkage control method of intelligent box and intelligent box |
| CN115682572A (en) * | 2022-11-07 | 2023-02-03 | 珠海格力电器股份有限公司 | Chilled water unit load determining and loading and unloading control method, device and equipment |
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Application publication date: 20160511 |
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