CN203893368U - Self-adaption throttling control equipment for cooling water pump of central air-conditioning water-chilling unit - Google Patents

Self-adaption throttling control equipment for cooling water pump of central air-conditioning water-chilling unit Download PDF

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Publication number
CN203893368U
CN203893368U CN201420175371.9U CN201420175371U CN203893368U CN 203893368 U CN203893368 U CN 203893368U CN 201420175371 U CN201420175371 U CN 201420175371U CN 203893368 U CN203893368 U CN 203893368U
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central air
water pump
cooling
cooling water
intelligent electric
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CN201420175371.9U
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姜干清
侯胜利
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Zhejiang Favourable Opposition Energy Science Co Ltd
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Zhejiang Favourable Opposition Energy Science Co Ltd
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Abstract

The utility model belongs to energy-saving control equipment for a water pump of a water-cooling central air conditioner, and aims at providing self-adaption throttling control equipment for a cooling water pump of a central air-conditioning water-chilling unit. The equipment comprises a cooling-pump self-adaption throttling control cabinet, a temperature sensor, a cold-heat intelligent remote detector, an outdoor temperature and humidity sensor, and an intelligent electric meter. The interior of the cooling-pump self-adaption throttling control cabinet is provided with a communication processor, a signal collector, an energy-saving optimization controller, a fuzzy controller, and a frequency converter. The beneficial effects of the utility model are that the equipment provided by the utility model meets the demands of flow condensation of a central air-conditioning cooling-water system; an optimized history database is built through monitoring the whole real-time COP value of a central air-conditioning system and the real-time values of outdoor temperature and humidity; the control target aims at the COP optimization; the output flow of a corresponding air-conditioner cooling water pump is dynamically adjusted, so as to achieve dynamic energy balance, thereby completing a self-adaption process, reducing the overall energy consumption of the cooling water pump, and saving energy.

Description

Central air-conditioning water chiller cooling water pump adaptive session flow control device
Technical field
The utility model belongs to water cooled central air conditioner pump energy saving control appliance, is specifically related to a kind of central air-conditioning water chiller cooling water pump adaptive session flow control device.
Background technology
At present, along with expanding economy, central air-conditioning is more and more extensive in the application of every profession and trade, yet the energy consumption of central air-conditioning has been occupied a big chunk in the whole energy consumption of every profession and trade, make the operation cost of every profession and trade high, the energy-conservation of central air-conditioning has great significance.
Secondly when central air conditioner system designs in designing institute, the flow of water pump designs according to maximum cold (heat) load flow and lift, and water pump of air conditioner is generally many and guarantees like this to use the worst region of air conditioning area also will reach comfort requirement.
The water pump of air conditioner operational mode of conventional central air-conditioning system:
One, adopt constant flow to control: by direct startup, soft starter or star triangle start water pump, water pump is moved in the constant situation of line voltage frequency, flow is supplied with constant.Because constant flow rate is supplied with and can not automatically be regulated according to the variation of air conditioner load flow, so just cause the waste of flow and water pump electric energy.
Two, adopt the variation of the temperature difference to utilize PID simply to control water pump frequency: the PID temperature difference is controlled the best cooling water temperature that is difficult to control under not individual air conditioner load, the too high too low impact of the COP on handpiece Water Chilling Units of cooling water temperature can not keep very greatly handpiece Water Chilling Units under high efficiency, to move always.
Utility model content
The technical problems to be solved in the utility model is, overcomes deficiency of the prior art, and a kind of central air-conditioning water chiller cooling water pump adaptive session flow control device is provided.
For technical solution problem, solution of the present utility model is:
A kind of central air-conditioning water chiller cooling water pump adaptive session flow control device is provided, comprise Temperature Humidity Sensor and intelligent electric meter outside coolant pump adaptive throttling switch board, temperature sensor, cold and heat quantity intelligent long-range detector, greenhouse, in described coolant pump adaptive throttling switch board, Communication processor, signal picker, energy saving optimizing controller, fuzzy controller and frequency converter are installed; Described Communication processor output, signal picker output are connected respectively to fuzzy controller input, two-way connection between fuzzy controller and energy saving optimizing controller, energy saving optimizing controller output end is connected to frequency converter input, and this frequency converter is used for regulating coolant pump frequency; Be arranged on the input that cold and heat quantity intelligent long-range detector on freezing water supply, water return pipeline is connected to Communication processor.
Described intelligent electric meter comprises refrigerating water pump intelligent electric meter, coolant pump intelligent electric meter, blower fan of cooling tower intelligent electric meter and handpiece Water Chilling Units intelligent electric meter, after the output serial connection of each intelligent electric meter, be connected to the input of Communication processor, for gathering the energy consumption data of refrigerating water pump, coolant pump, blower fan of cooling tower and handpiece Water Chilling Units and being transferred to fuzzy controller; Be arranged on the input that temperature sensor on cooling water inlet, outlet pipeline is connected to signal picker, for the cooling water inlet, the leaving water temperature signal that gather are transported to signal picker; Outdoor temperature humidity sensor is connected to signal picker input, for the temperature-humidity signal of collection is transported to fuzzy controller.
As a kind of improvement, described freezing backwater, supply channel are connected with cooling water inlet, outlet pipeline by handpiece Water Chilling Units respectively.
As a kind of improvement, described fuzzy controller is CBS-D570 controller.
As a kind of improvement, described cold and heat quantity intelligent long-range detector is the cold and hot amount detector of KHEN-250-15-G3M-011-10010, and wherein 250 is cold and hot house steward's bores of heat energy meter, and its unit is mm.
As a kind of improvement, described frequency converter is ACS510-X1-060A-4 frequency converter, and is built-in with wave filter and reactor, and wherein 060A is current of electric.
Compared with prior art, the beneficial effects of the utility model are:
The utility model is the demand that meets central air conditioning cooling water system condensation flow, by the whole COP instantaneous value of monitoring central air conditioner system, outdoor environment humiture instantaneous value, set up the historical data base of optimizing, take COP optimizing as controlling target, dynamically adjust corresponding air conditioning cooling water POF, reach a kind of dynamic energy balance, complete adaptive process, reduce the whole energy consumption of cooling water pump, reach energy-conservation;
The balance of controlling cold side cool cycles side and the heat exchange of main frame refrigerant circulation side, realizes the optimizing of central air-conditioning integral COP, saves the energy, to increase economic efficiency.
Accompanying drawing explanation
Fig. 1 is component devices figure of the present utility model;
Fig. 2 is control principle drawing of the present utility model;
Fig. 3 is traditional constant difference PID control principle;
Reference numeral: 1, coolant pump adaptive throttling switch board; 2, Communication processor; 3, signal picker; 4, energy saving optimizing controller; 5, fuzzy controller; 6, frequency converter; 7, blower fan of cooling tower; 8, temperature sensor; 9, coolant pump; 10, handpiece Water Chilling Units; 11, refrigerating water pump; 12, cold and heat quantity intelligent long-range detector; 13, refrigerating water pump intelligent electric meter; 14, coolant pump intelligent electric meter; 15, blower fan of cooling tower intelligent electric meter; 16, handpiece Water Chilling Units intelligent electric meter; 17, outdoor temperature humidity sensor.
The specific embodiment
Following embodiment can make the technical staff of this professional skill field more fully understand the utility model, but limits never in any form the utility model.
As shown in Figure 1, the utility model embodiment provides a kind of central air-conditioning water chiller cooling water pump adaptive session flow control device, comprise coolant pump adaptive throttling switch board 1, two temperature sensors 8, cold and heat quantity intelligent long-range detector 12, outdoor temperature humidity sensor 17 and intelligent electric meters
On described coolant pump adaptive throttling switch board 1, Communication processor 2, signal picker 3, energy saving optimizing controller 4, fuzzy controller 5 and frequency converter 6 are installed;
Described intelligent electric meter comprises refrigerating water pump intelligent electric meter 13, coolant pump intelligent electric meter 14, blower fan of cooling tower intelligent electric meter 15 and handpiece Water Chilling Units intelligent electric meter 16, after the output serial connection of each intelligent electric meter (13,14,15,16), be connected to the input of Communication processor 2, the energy consumption data of the refrigerating water pump collecting 11, coolant pump 9, blower fan of cooling tower 7 and handpiece Water Chilling Units 10 is transferred to Communication processor 2, and described Communication processor 2 is PL9.02 Communication processor;
Described fuzzy controller 5 is CBS-D570 controller, these fuzzy controller 5 inputs are connected with Communication processor 2 outputs, signal picker 3 outputs respectively, described signal picker 3 is PL9.55 collector, for gathering cooling Inlet and outlet water temperature signal and outdoor temperature humidity signal; Two-way connection between fuzzy controller 5 and energy saving optimizing controller 4, energy saving optimizing controller 4 outputs are connected to frequency converter 6 inputs, and described energy saving optimizing controller 4 is PL6.38 controller; Described frequency converter 6 is built-in with wave filter and reactor, is ACS510-X1-060A-4 frequency converter.
Cold and heat quantity intelligent long-range detector 12 is the cold and hot amount detector of KHEN-250-15-G3M-011-10010, is installed on freezing water supply, water return pipeline, for flange is installed, and is connected to the input of Communication processor 2; For gathering the real-time cooling thermal data of refrigerating water pump 11, coolant pump 9, blower fan of cooling tower 7, handpiece Water Chilling Units 10 and being transferred to Communication processor 2;
Described temperature sensor 8 is QAE2120.015 temperature sensor, temperature sensor 8 is connected on cooling inlet and outlet pipe by 1/2G plumb joint, between temperature sensor 8 and plumb joint, by screw thread, be fixedly connected with, and its output is connected with the input of signal picker 3, this temperature sensor 8 is for gathering cooling Inlet and outlet water temperature and being transported to signal picker 3; Outdoor temperature humidity sensor 17 outputs are connected to signal picker 3 inputs, and the outdoor real time humiture signal detecting is transported to signal picker 3, and this outdoor temperature humidity sensor 17 is installed on outdoor 1.8M height left and right and local without strong illumination.
Coolant pump motor 9, by cable (cable size specification is determined according to power of motor), is connected on frequency converter 6 lead-out terminals, ground wire good earth, and the adjusting of it being carried out to coolant pump 9 frequencies by frequency converter 6 is controlled.
Draw from three-phase four-wire power to refrigerating water pump intelligent electric meter 13, coolant pump intelligent electric meter 14, blower fan of cooling tower electric energy meter 15 and handpiece Water Chilling Units intelligent electric meter 16, and in the startup of intelligent electric meter separately, transformer is installed cashier's office in a shop;
Cooling Inlet and outlet water temperature sensor 8 shown in figure is worn galvanized pipe φ 25 pipes, lays shielded cable RVVP2 * 1.0 to signal picker 3, and outdoor temperature humidity sensor 17 is worn galvanized pipe pipe, lays shielded cable RVVP5 * 1.0 to signal picker 3.
The output of refrigerating water pump intelligent electric meter 13, coolant pump intelligent electric meter 14, blower fan of cooling tower intelligent electric meter 15 and handpiece Water Chilling Units intelligent electric meter 16 is connected to same galvanized pipe jointly manage and pass through connection RVSP2 * 1.0 and be connected to Communication processor 2, cold and heat quantity intelligent long-range detector 12 is worn separately galvanized pipe and lay connection RVSP2 * 1.0 pipe to Communication processor 2.
Described cold and heat quantity intelligent long-range detector 12 is the cold and hot amount detector of KHEN-250-15-G3M-011-10010, and this cold and heat quantity intelligent long-range detector 12 will detect air-conditioning cold heat real time data and be sent to fuzzy controller 5, SMT18E intelligent electric meter 12 is processed through Communication processor 2 the energy consumption real time data that refrigerating water pump 11, coolant pump 9, blower fan of cooling tower 7 and handpiece Water Chilling Units 10 detected be sent to fuzzy controller 5, described outdoor temperature humidity sensor 17 is QFA317+AQF3100 Temperature Humidity Sensor, this outdoor temperature humidity sensor 17 is delivered to signal picker 3 by the outdoor real time humiture detecting, fuzzy controller 5 is delivered in this data centralization change simultaneously, the cooling inlet and outlet pipe temperature real time data that temperature sensor 8 collects is transported to signal picker 3, the data of collection are delivered to fuzzy controller 5 through concentrating to become simultaneously, described fuzzy controller 5 comprises data rule reasoning storehouse, system history data storehouse and optimization data storehouse, utilize the internal storage data in data rule reasoning storehouse and system history data storehouse to exchange, set up data-optimized storehouse, according to current air-conditioning cold heat and outdoor temperature humidity, from data-optimized storehouse, automatically seek central air-conditioning COP peak, corresponding best cooling backwater temperature, if while there is no best respective value in data-optimized storehouse, energy saving optimizing controller 4 just departs from the order that fuzzy controller 5 sends, self adaptation disturbance frequency conversion output device, reach the best cooling backwater temperature of the present situation, the object of disturbance makes central air-conditioning integral COP under the present situation in peak, enrich optimization data storehouse simultaneously.According to time reality best cooling water temperature, control coolant pump 9 self adaptation dynamic adjustments, make the efficient while of coolant pump 9 self, improve handpiece Water Chilling Units 10 operational energy efficiencies, reach air-conditioning system energy-efficient.
Specific works process of the present utility model is:
Ancillary equipment cable laying is good, terminal line connects, coolant pump adaptive throttling switch board 1 power supply is had friendly relations, open frequency converter 6 power supplys, fuzzy controller 5 power supplys, Communication processor 2 power supplys, signal picker 3 power supplys, energy saving optimizing controller 4 power supplys, on guidance panel, start this equipment, this equipment just automatic data collection, digital processing etc. is controlled the frequency conversion frequency of cooling water pump 9 automatically, best cooling water pump 9 flows that regulate.
Therefore, actual range of the present utility model not only comprises the disclosed embodiments, is also included under claims and implements or to carry out all equivalents of the present utility model.

Claims (4)

1. central air-conditioning water chiller cooling water pump adaptive session flow control device, comprise coolant pump adaptive throttling switch board, it is characterized in that, also comprise Temperature Humidity Sensor and intelligent electric meter outside temperature sensor, cold and heat quantity intelligent long-range detector, greenhouse, in described coolant pump adaptive throttling switch board, Communication processor, signal picker, energy saving optimizing controller, fuzzy controller and frequency converter are installed;
Described Communication processor output, signal picker output are connected respectively to fuzzy controller input, two-way connection between fuzzy controller and energy saving optimizing controller, energy saving optimizing controller output end is connected to frequency converter input, and this frequency converter is used for regulating coolant pump frequency; Be arranged on the input that cold and heat quantity intelligent long-range detector on freezing water supply, water return pipeline is connected to Communication processor;
Described intelligent electric meter comprises refrigerating water pump intelligent electric meter, coolant pump intelligent electric meter, blower fan of cooling tower intelligent electric meter and handpiece Water Chilling Units intelligent electric meter, after the output serial connection of described four kinds of intelligent electric meters, be connected to the input of Communication processor, for gathering the energy consumption data of refrigerating water pump, coolant pump, blower fan of cooling tower and handpiece Water Chilling Units and being transferred to fuzzy controller;
Be arranged on the input that temperature sensor on cooling water inlet, outlet pipeline is connected to signal picker, for the cooling water inlet, the leaving water temperature signal that gather are transported to signal picker; Outdoor temperature humidity sensor is connected to signal picker input, for the temperature-humidity signal of collection is transported to fuzzy controller.
2. according to the central air-conditioning water chiller cooling water pump adaptive session flow control device described in claim 1, it is characterized in that, described freezing backwater, supply channel are connected with cooling water inlet, outlet pipeline by handpiece Water Chilling Units respectively.
3. according to the central air-conditioning water chiller cooling water pump adaptive session flow control device described in claim 1, it is characterized in that, described fuzzy controller is CBS-D570 controller.
4. according to the central air-conditioning water chiller cooling water pump adaptive session flow control device described in claim 1, it is characterized in that, described frequency converter is ACS510-X1-060A-4 frequency converter, and is built-in with wave filter and reactor, and wherein 060A is current of electric.
CN201420175371.9U 2014-04-11 2014-04-11 Self-adaption throttling control equipment for cooling water pump of central air-conditioning water-chilling unit Active CN203893368U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105674487A (en) * 2016-01-26 2016-06-15 张凡 Dynamic hydraulic balance adjusting method for central air conditioning system
CN111380184A (en) * 2018-12-28 2020-07-07 麦克维尔空调制冷(武汉)有限公司 Compressor operation control method and device and heat exchange system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105674487A (en) * 2016-01-26 2016-06-15 张凡 Dynamic hydraulic balance adjusting method for central air conditioning system
CN105674487B (en) * 2016-01-26 2020-11-13 苏州市东挺河智能科技发展有限公司 Dynamic hydraulic balance adjusting method for central air conditioning system
CN111380184A (en) * 2018-12-28 2020-07-07 麦克维尔空调制冷(武汉)有限公司 Compressor operation control method and device and heat exchange system

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