CN203203197U - Central air conditioner system - Google Patents
Central air conditioner system Download PDFInfo
- Publication number
- CN203203197U CN203203197U CN 201320086158 CN201320086158U CN203203197U CN 203203197 U CN203203197 U CN 203203197U CN 201320086158 CN201320086158 CN 201320086158 CN 201320086158 U CN201320086158 U CN 201320086158U CN 203203197 U CN203203197 U CN 203203197U
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- China
- Prior art keywords
- cooling water
- frequency converter
- air conditioner
- central air
- chilled water
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- 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.)
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- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to a central air conditioner system. The central air conditioner system comprises a central air conditioner mainframe, a cooling water circulation unit and a chilled water circulation unit, wherein the cooling water circulation unit and the chilled water circulation unit are connected with the central air conditioner mainframe. The central air conditioner system further comprises a control unit, wherein a cooling water pump is arranged in the cooling water circulation unit, and a refrigeration water pump is arranged in the chilled water circulation unit. The control unit is a programmable control unit and comprises a PLC, a first frequency converter, a second frequency converter, a cooling water temperature sensor, a chilled water temperature sensor and a man-machine operation interface, wherein the first frequency converter, the second frequency converter, the cooling water temperature sensor, the chilled water temperature sensor and the man-machine operation interface are connected with the PLC, the first frequency converter is connected with the cooling water pump, and the second frequency converter is connected with the refrigeration water pump. Control is conducted through the programmable control unit, sampling is conducted on the temperature of cooling water and the temperature of chilled water through the temperature sensors respectively, sampling results are transmitted to the PLC, the PLC controls the frequency of the cooling water pump and the frequency of the refrigeration water pump through the frequency converters, therefore, the flow of the cooling water and the flow of the refrigeration water are respectively controlled, finally, thermostatic control of the cooling water and thermostatic control of the refrigeration water are achieved, and cost is saved.
Description
Technical field:
The utility model relates to the central air conditioner system technical field, refers in particular to a kind of central air conditioner system that can automatically control.
Background technology:
Cooling water circulation unit, chilled water cycling element and control module etc. that existing central air conditioner system mainly comprises central air conditioner main machine and is attached thereto, existing control module is mainly to be to adopt power frequency operation, namely no matter how ambient temperature changes, the equipment such as each water pump in the air-conditioning system, blower fan, compressor all only move according to the mode of current setting, this mode is difficult to temperature is reached accurate control, and easily cause excessive refrigeration, cause huge energy waste, use cost is high.
The utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of central air conditioner system that can automatically control is provided.
The utility model realizes that the technical scheme that its purpose adopts is: a kind of central air conditioner system, the cooling water circulation unit that comprises central air conditioner main machine and be attached thereto and chilled water cycling element, also comprise control module, cooling water circulation is provided with cooling water pump in the unit, be provided with chilled water pump in the chilled water cycling element, described control module is control able to programme unit, it comprises PLC controller and the first frequency converter that is connected with the PLC controller respectively, the second frequency converter, cooling-water temperature sensor, chilled water temperature sensor and man machine operation interface, wherein, described the first frequency converter is connected with cooling water pump, and the second frequency converter is connected with chilled water pump.
Wherein, described PLC controller is ABB PM564-ETH PLC.
Described man machine operation interface is ABB CP450T-ETH man-machine interface.
Described the first frequency converter, the second frequency converter are ABB ACS510 Series Frequency Converter.
The utility model adopts control able to programme unit to control, by temperature sensor cooling water, chilled water temperature are sampled into the PLC controller respectively, the PLC controller is controlled the frequency of cooling water pump, chilled water pump again by frequency converter according to the temperature signal of sampling, thereby control respectively the flow of cooling water, chilled water, finally reach the thermostatic control of cooling water, chilled water, and then indoor environment temperature is controlled within the constant scope, avoid excessively freezing or heating, thereby reduce the energy loss waste, save cost.
Description of drawings:
Fig. 1 is the theory diagram of the utility model central air conditioner system.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of central air conditioner system, the cooling water circulation unit 2 that comprises central air conditioner main machine 1 and be attached thereto and chilled water cycling element 3, also comprise control module 4, be provided with cooling water pump 21 in the cooling water circulation unit 2, cooling tower 22 etc., be provided with chilled water pump 31 and coiler fan 32 etc. in the chilled water cycling element 3, described control module 4 is control able to programme unit, it comprises PLC controller 41 and the first frequency converter 42 that is connected with PLC controller 41 respectively, the second frequency converter 43, cooling-water temperature sensor 44, chilled water temperature sensor 45 and man machine operation interface 46, wherein, described the first frequency converter 42 is connected with cooling water pump 21, and the second frequency converter 43 is connected with chilled water pump 31.
Cooling-water temperature sensor 44 is connected between cooling water pump 21 and the central air conditioner main machine 1, the temperature of sampling cooling water, and temperature passed to PLC controller 41, PLC controller 41 is controlled the frequency of cooling water pumps 21 according to temperature signal by the first frequency converter 42, thereby reaches the purpose of control cooling water flow; In like manner, chilled water temperature sensor 45 is connected between chilled water pump 31 and the central air conditioner main machine 1, the temperature of sampling chilled water, and temperature passed to PLC controller 41, PLC controller 41 is controlled the frequency of chilled water pumps 31 according to temperature signal by the second frequency converter 43, thereby reaches the purpose of control chilled-water flow.
Wherein, described PLC controller 41 is ABB PM564-ETH PLC, and integrated 6 enter 6 goes out digital quantity signal and 2 and enter 1 and go out analog quantity signal integrated 1 passage 485 interfaces and 1 passage Ethernet interface.
Described man machine operation interface 46 is ABB CP450T-ETH man-machine interface, can show the duty of each equipment on the man machine operation interface 46, and can regulate operational factor etc. by touch-control.
Described the first frequency converter 42, the second frequency converter 43 can be ABB ACS510 Series Frequency Converter.
The utility model adopts control able to programme unit to control, by temperature sensor cooling water, chilled water temperature are sampled into the PLC controller respectively, the PLC controller is controlled the frequency of cooling water pump, chilled water pump again by frequency converter according to the temperature signal of sampling, thereby control respectively the flow of cooling water, chilled water, finally reach the thermostatic control of cooling water, chilled water, and then indoor environment temperature is controlled within the constant scope, avoid excessively freezing or heating, thereby reduce the energy loss waste, save cost.
Claims (4)
1. central air conditioner system, the cooling water circulation unit that comprises central air conditioner main machine and be attached thereto and chilled water cycling element, also comprise control module, cooling water circulation is provided with cooling water pump in the unit, be provided with chilled water pump in the chilled water cycling element, it is characterized in that: described control module is control able to programme unit, it comprises PLC controller and the first frequency converter that is connected with the PLC controller respectively, the second frequency converter, cooling-water temperature sensor, chilled water temperature sensor and man machine operation interface, wherein, described the first frequency converter is connected with cooling water pump, and the second frequency converter is connected with chilled water pump.
2. central air conditioner system according to claim 1, it is characterized in that: described PLC controller is ABB PM564-ETH PLC.
3. central air conditioner system according to claim 1, it is characterized in that: described man machine operation interface is ABB CP450T-ETH man-machine interface.
4. central air conditioner system according to claim 1, it is characterized in that: described the first frequency converter, the second frequency converter are ABB ACS510 Series Frequency Converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086158 CN203203197U (en) | 2013-02-25 | 2013-02-25 | Central air conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086158 CN203203197U (en) | 2013-02-25 | 2013-02-25 | Central air conditioner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203203197U true CN203203197U (en) | 2013-09-18 |
Family
ID=49147300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320086158 Expired - Fee Related CN203203197U (en) | 2013-02-25 | 2013-02-25 | Central air conditioner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203203197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792091A (en) * | 2015-03-27 | 2015-07-22 | 仪征祥源动力供应有限公司 | Combined type enhanced cooling device used for circulating water system |
| CN105352145A (en) * | 2015-12-22 | 2016-02-24 | 阿尔卑斯科技（青岛）有限公司 | Energy-saving control method of central air-conditioner |
-
2013
- 2013-02-25 CN CN 201320086158 patent/CN203203197U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792091A (en) * | 2015-03-27 | 2015-07-22 | 仪征祥源动力供应有限公司 | Combined type enhanced cooling device used for circulating water system |
| CN105352145A (en) * | 2015-12-22 | 2016-02-24 | 阿尔卑斯科技（青岛）有限公司 | Energy-saving control method of central air-conditioner |
| CN105352145B (en) * | 2015-12-22 | 2017-11-14 | 青岛阿尔卑斯环保设备科技有限公司 | A kind of energy-saving control method for central air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 Changping Road 2, Hua Kecheng Road, Dongguan, Guangdong, eleventh of the 1 industrial parks in the industrial incubator of innovation Island, 1, 2, 3, 4, respectively. Patentee after: Dongguan Seekon Automation Device Co., Ltd. Address before: 523000 3 building, 57 Gao Gao Road, Dongguan, Guangdong Province, 57 Patentee before: Dongguan Seekon Automation Device Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20200225 |