CN201347868Y - Industry cycle water energy-saving control system - Google Patents
Industry cycle water energy-saving control system Download PDFInfo
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- CN201347868Y CN201347868Y CNU2009200041735U CN200920004173U CN201347868Y CN 201347868 Y CN201347868 Y CN 201347868Y CN U2009200041735 U CNU2009200041735 U CN U2009200041735U CN 200920004173 U CN200920004173 U CN 200920004173U CN 201347868 Y CN201347868 Y CN 201347868Y
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Abstract
The utility model discloses an industry cycle water energy-saving control system, comprising: at least one sensor which converts the induction value of each sensor into digit signal through an analog input interface and inputs to an operation controller. The operation controller selects the corresponding regulating quantity according to the acquired digit signal values and transmits the selected regulating quantity to a variable frequency controller through an analog output interface. The variable frequency controller performs the variable frequency control for the cycle water pump motor and the cooling column fan according to the regulating quantity. The sensor is a cycle water temperature sensor, a water level sensor, an atmospheric temperature sensor and/or output tube water pressure sensor. The operation controller is also connected with a remote computer and/or a man-machine interface for controlling the frequency converter. The load control mode adopted by the control system reasonably regulates the water supply to save energy through the reasonable operation based on multipoint parameter collection.
Description
Technical field
The utility model relates to the automatic control technology field, is meant the industrial circulating water energy-saving control system especially.
Background technique
In the industry water cooling system, for the circulating water of cooling, blower fan only provides a kind of rate of cooling, and the temperature of circulating water is also different along with the different temperatures of the production technology of industry, output, and when whole employings during with a kind of blower fan rate of cooling, energy consumption can be higher.
The model utility content
In view of this, the utility model is to provide the industrial circulating water energy-saving control system, adopts a kind of blower fan rate of cooling, energy consumption problem of higher to solve above-mentioned control system.
For addressing the above problem, the utility model provides the industrial circulating water energy-saving control system, comprise: at least more than one sensor, described each sensor is converted to digital signal with influence value by the analog amount input interface, and input to computing unit, computing unit is selected corresponding regulated quantity according to the digital signal value that obtains, and the regulated quantity of selecting is sent to frequency-variable controller by analog output interface circuit, frequency-variable controller carries out VFC according to regulated quantity to circulating water pump motor and blower fan of cooling tower.
Preferably, described sensor is circulating water cooling-water temperature sensor, level sensor, atmosphere temperature transducer and/or output tube hydraulic pressure sensor.
Preferably, described computing unit also connects remote computer and/or man-machine interface, and computing unit is sent to remote computer and/or the man-machine interface that is connected with described frequency-variable controller feedback cycle water pump motor with the blower fan of cooling tower operating state signal.
Native system has following advantage:
The just simple circulation of supplying water of industrial cycle water system at present, along with the variation circulating water water output of production output and ambient temperature also should change thereupon, but existing system can't be accomplished to change according to the requirement of production technology, so not only can cause the increase (adjusting the circulating water water supply valve at any time) of labor strength that quality of product can't be guaranteed, substandard products are increased, also can cause simultaneously a large amount of wastes of energy consumption, the load control mode that this control system is taked accomplishes that by the mode of rational arithmetic rationally regulating water output reaches purpose of energy saving according to the multiple spot parameter acquisition.
Native system can be realized telecontrol, can grasp the working condition of system at any time.
Native system can also reasonably be regulated water output according to producing terminal concrete condition, can avoid the energy waste of circulation like this, can guarantee the water of production technology again, excavates the maximum energy saving space.
It passes through circulating water water pump and blower fan of cooling tower institute feedback information VFC, the working condition that can grasp them at any time is (as motor temperature, operating current etc.), at any time adjust working state according to judging, in the stability of accomplishing also to have guaranteed in energy-conservation motor, the operating life that has prolonged motor.
Description of drawings
Fig. 1 is embodiment's a structural drawing.
Embodiment
For clearly demonstrating the technological scheme in the utility model, provide preferred embodiment below and be described with reference to the accompanying drawings.
Referring to Fig. 1, in this embodiment, system comprises: at least more than one sensor, as the circulating water cooling-water temperature sensor, level sensor, atmosphere temperature transducer, pipeline section output tube hydraulic pressure sensor etc., each sensor is converted to digital signal with the analog amount of the sensor that collects by the analog amount input interface, and be sent to computing unit, the pairing regulated quantity of parameter value that has each different sensors in the computing unit, computing unit constantly obtains each sensor parameters at interval according to preset time, and the regulated quantity of judging is converted to analog signals by analog output interface circuit is sent to frequency-variable controller, frequency-variable controller is regulated the motor of circulating water water pump and the rotating speed of blower fan of cooling tower according to the analog signals that receives.
Frequency-variable controller constantly feeds back to remote computer or man-machine interface with the motor of circulating water water pump and the feedback signal of blower fan of cooling tower running by computing unit, after the user analyzes by remote computer or man-machine interface, computing unit is sent control signal, and the transportation controller is converted to analog signals according to control signal by analog output interface circuit and is sent to frequency-variable controller.
Control software is installed in computing unit, can realizes analysing and processing, produce control signal, with the action of the frequency-converting control device of the motor of control circle water water pump respectively and blower fan of cooling tower according to setting value to each sensor signal.
The man-machine interface that computing unit connects utilizes software and database setting, can realize the control of optimizing system loading.
Computing unit also connects remote control computer, and computing unit also can communicate with remote control computer.Utilize software and database setting, can realize the control of optimizing load.Be provided with network interface in remote control computer, this network interface can be a LAN adapter, also can be the telephone dialing Internet device, or can realize other device of communication by network.By network interface, computing unit can communicate with remote control computer equipment, provides data information for analysis to remote control computer equipment, perhaps receives Control Parameter from remote control computer equipment.
The utility model is to the integral body control of blower fan, and its each several part working procedure is as follows:
(1) circulating water pump:
According to the minimum operation frequency of the earlier definite circulating water water pump of circulation loop characteristic, the assurance system is normal, safe operation.When load changes, the circulating water cooling-water temperature sensor, level sensor, and the output tube hydraulic pressure sensor is delivered to computing unit with detected these parameters by the analog amount input interface, the circulating water water temperature passes 0 sensor can be divided into water supply cooling-water temperature sensor and backwater cooling-water temperature sensor, detect respectively and supply water, return water temperature, the computing unit system is according to the real time data of being gathered, the history data of Temperature numerical and system, calculate the required flow of actual load in real time, utilize these values and present Operational Limits to compare, rationally adjust water flow, and regulate the frequency variator output frequency with this, the rotating speed of control circle water pump changes the circulating water temperature that its flow makes the circulating water control system, water level and output tube hydraulic pressure operate in the optimum value that computing unit provides.
(2) blower fan of cooling tower:
According to the minimum operation frequency of the earlier definite fan operation of system requirements, the assurance system is normal, safe operation.When system and conditioning change, the circulating water water temperature sensor, atmosphere temperature transducer is delivered to computing unit with detected these parameters by input device, computing unit is according to the real time data of being gathered, the history data of meteorological temperature and system, calculate the required actual load of actual load in real time, and supply, the optimum value of return water temperature difference, utilize these values and present Operational Limits to compare, difference after the comparison is regulated the frequency variator output frequency according to predetermined adjustment amount, the rotating speed of control blower fan of cooling tower changes the confession that its air quantity makes circulation, return water temperature, the temperature difference is controlled at the optimum value that controller provides.
Native system has following advantage:
The just simple circulation of supplying water of industrial cycle water system at present, along with the variation circulating water water output of production output and ambient temperature also should change thereupon, but existing system can't be accomplished to change according to the requirement of production technology, so not only can cause the increase (adjusting the circulating water water supply valve at any time) of labor strength that quality of product can't be guaranteed, substandard products are increased, also can cause simultaneously a large amount of wastes of energy consumption, the load control mode that this control system is taked accomplishes that by the mode of rational arithmetic rationally regulating water output reaches purpose of energy saving according to the multiple spot parameter acquisition.
Native system can be realized telecontrol, can grasp the working condition of system at any time.
Native system can also reasonably be regulated water output according to producing terminal concrete condition, can avoid the energy waste of circulation like this, can guarantee the water of production technology again, excavates the maximum energy saving space.
Frequency-variable controller is by circulating water water pump and blower fan of cooling tower institute feedback information, the working condition that can grasp them at any time is (as motor temperature, operating current etc.), at any time adjust working state according to judging, in the stability of accomplishing also to have guaranteed in energy-conservation motor, the operating life that has prolonged motor.
Also can be controlled at the production technology water near the water temperature and pressure of producing required technological requirement when native system is not only accomplished Energy Saving Control, reduce working strength of workers and improved quality of product again.
For the system that is set forth among each embodiment of the utility model, all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1, industrial circulating water energy-saving control system, it is characterized in that, comprise: at least more than one sensor, described each sensor is converted to digital signal with influence value by the analog amount input interface, and input to computing unit, computing unit is selected corresponding regulated quantity according to the digital signal value that obtains, and the regulated quantity of selecting is sent to frequency-variable controller by analog output interface circuit, frequency-variable controller carries out VFC according to regulated quantity to circulating water pump motor and blower fan of cooling tower.
2, industrial circulating water energy-saving control system according to claim 1 is characterized in that, described sensor is circulating water cooling-water temperature sensor, level sensor, atmosphere temperature transducer and/or output tube hydraulic pressure sensor.
3, industrial circulating water energy-saving control system according to claim 1, it is characterized in that, described computing unit also connects remote computer and/or man-machine interface, and computing unit is sent to remote computer and/or the man-machine interface that is connected with described frequency-variable controller feedback cycle water pump motor with the blower fan of cooling tower operating state signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200041735U CN201347868Y (en) | 2009-02-05 | 2009-02-05 | Industry cycle water energy-saving control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200041735U CN201347868Y (en) | 2009-02-05 | 2009-02-05 | Industry cycle water energy-saving control system |
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| Publication Number | Publication Date |
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| CN201347868Y true CN201347868Y (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200041735U Expired - Fee Related CN201347868Y (en) | 2009-02-05 | 2009-02-05 | Industry cycle water energy-saving control system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818738A (en) * | 2010-03-08 | 2010-09-01 | 南京化工职业技术学院 | Comprehensive training device of centrifugal pumps |
| CN104075614A (en) * | 2014-04-30 | 2014-10-01 | 大连亿斯德制冷设备有限公司 | Intelligent variable-frequency closed cooling tower |
| CN104317281A (en) * | 2014-11-17 | 2015-01-28 | 广西远望科技有限责任公司 | Energy-saving and water-saving device for distributed control over industrial circulating water and control method thereof |
| CN105221398A (en) * | 2015-11-13 | 2016-01-06 | 重庆贻科科技有限公司 | A kind of water pump lifting energy conserving system |
| CN106908121A (en) * | 2017-01-17 | 2017-06-30 | 北京远东仪表有限公司 | A kind of flow apparatus reclaimed water discharge stability detection method and detecting system |
| CN108662574A (en) * | 2018-05-07 | 2018-10-16 | 山东胜星化工有限公司 | A kind of control system of steam exhaust recovering device |
| CN111503012A (en) * | 2020-04-15 | 2020-08-07 | 中水淮河规划设计研究有限公司 | Intelligent water supply adjusting system and method based on pump station circulation technology |
| CN113432370A (en) * | 2021-07-05 | 2021-09-24 | 蔚海建 | Circulating water system with balanced supply and demand under different loads and water supply temperatures and control method |
| CN117215255A (en) * | 2023-11-09 | 2023-12-12 | 中控技术股份有限公司 | Automatic energy-saving consumption-reducing operation control system of industrial circulating water system |
-
2009
- 2009-02-05 CN CNU2009200041735U patent/CN201347868Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818738A (en) * | 2010-03-08 | 2010-09-01 | 南京化工职业技术学院 | Comprehensive training device of centrifugal pumps |
| CN104075614A (en) * | 2014-04-30 | 2014-10-01 | 大连亿斯德制冷设备有限公司 | Intelligent variable-frequency closed cooling tower |
| CN104317281A (en) * | 2014-11-17 | 2015-01-28 | 广西远望科技有限责任公司 | Energy-saving and water-saving device for distributed control over industrial circulating water and control method thereof |
| CN104317281B (en) * | 2014-11-17 | 2017-05-24 | 广西远望科技有限责任公司 | Energy-saving and water-saving device for distributed control over industrial circulating water and control method thereof |
| CN105221398A (en) * | 2015-11-13 | 2016-01-06 | 重庆贻科科技有限公司 | A kind of water pump lifting energy conserving system |
| CN106908121A (en) * | 2017-01-17 | 2017-06-30 | 北京远东仪表有限公司 | A kind of flow apparatus reclaimed water discharge stability detection method and detecting system |
| CN106908121B (en) * | 2017-01-17 | 2019-05-21 | 北京远东仪表有限公司 | Water flow Detection of Stability method and detection system in a kind of flow apparatus |
| CN108662574A (en) * | 2018-05-07 | 2018-10-16 | 山东胜星化工有限公司 | A kind of control system of steam exhaust recovering device |
| CN111503012A (en) * | 2020-04-15 | 2020-08-07 | 中水淮河规划设计研究有限公司 | Intelligent water supply adjusting system and method based on pump station circulation technology |
| CN113432370A (en) * | 2021-07-05 | 2021-09-24 | 蔚海建 | Circulating water system with balanced supply and demand under different loads and water supply temperatures and control method |
| CN117215255A (en) * | 2023-11-09 | 2023-12-12 | 中控技术股份有限公司 | Automatic energy-saving consumption-reducing operation control system of industrial circulating water system |
| CN117215255B (en) * | 2023-11-09 | 2024-01-26 | 中控技术股份有限公司 | Automatic energy-saving consumption-reducing operation control system of industrial circulating water system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20170205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |