CN203349443U - Ice storage central air-conditioning control system - Google Patents
Ice storage central air-conditioning control system Download PDFInfo
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- CN203349443U CN203349443U CN 201320437926 CN201320437926U CN203349443U CN 203349443 U CN203349443 U CN 203349443U CN 201320437926 CN201320437926 CN 201320437926 CN 201320437926 U CN201320437926 U CN 201320437926U CN 203349443 U CN203349443 U CN 203349443U
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- ice
- pump motor
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Abstract
The utility model relates to the technical field of air-conditioning systems and ice storage, in particular to an ice storage central air-conditioning control system, which comprises a power supply circuit, and is characterized by also comprising a host computer, a remote interface circuit, a temperature acquisition circuit, a pressure acquisition circuit, a flow acquisition circuit, an ice quantity acquisition circuit, an electric valve controller, a coolant water pump motor frequency converting control device, a main processor, a cooling water pump motor frequency converting control device, a cooling tower fan control device, a de-icing water pump motor frequency converting control device, an ice storage water pump motor frequency converting control device and a duplex status refrigeration host. The ice storage central air-conditioning control system has the advantages that firstly, energy-saving parameters can be scientifically and freely set; secondly, data can be stored, history can be viewed, and the remote monitoring can be implemented by a remote RS422 communication module; thirdly, the grid peak clipping and valley filling is further optimized, and the social benefits are good; finally, the power capacity increasing tariff is derated, and the installed capacity of the refrigeration host is reduced.
Description
Technical field
The utility model relates to a kind of air-conditioning system and ice storage technology field, is specifically related to a kind of ice storage central air-conditioning control system.
Background technology
Ice storage central air-conditioning is to utilize the electrical network cheap electric power of low-load period, as night dip electric power, by utilizing the cold that refrigerating medium is produced refrigeration system to be stored in water, water is build-up ice, ice-melt released cold quantity during peak of power consumption by day, in order to the some or all of cooling needs that meet central air-conditioning.Thereby reduce the installed capacity of air-conditioner host, utilize paddy electricity at a low price, realize " load shifts ", reach desirable air-conditioning effect and economic benefit, improve efficiency of energy utilization.
Ice-storage air-conditioning is started in the '30s in last century, and at the beginning of China 90, generation starts to introduce and the development ice Thermal Storage Air-Conditioning Technology, all has case history to various ice storage system in 1999.The ice storage central air-conditioning technology is the mankind in the face of energy crisis the time to meeting a kind of transfers and the change of self enjoying mode.Therefore, ice Thermal Storage Air-Conditioning Technology is subject to the support energetically of the Power policy of more and more users' welcome and power department, people have also proposed some scheme of ice storage central air-conditioning technology, as the application publication number patent application that is CN 102519113 A " a kind of peak load shifting control method for central air conditioner ice storage ", but it is a kind of peak load shifting control method for central air conditioner ice storage, does not relate to the ice storage central air-conditioning control system.
Summary of the invention
The deficiency existed for prior art, the utility model provides a kind of ice storage central air-conditioning control system, and it is the electrical network peak load shifting, and the ice storage central air-conditioning of optimizing allocation of resources provides good control system; The automaticity that it has increased substantially ice storage central air-conditioning is high, and it adopts fuzzy control technology, realizes best optimum control; , and but science freedom arranges power save parameters, can be preserved and be checked data; Can carry out remote monitoring.
Above-mentioned goal of the invention is achieved through the following technical solutions, a kind of ice storage central air-conditioning control system, comprise power circuit, its main points are, it also comprises: host computer, remote interface circuit, temperature collection circuit, pressure acquisition circuit, flow collection circuit, ice amount Acquisition Circuit, electric valve controller, chilled water pump motor frequency-converting control device, primary processor, cooling water pump frequency conversion control device for motor, blower fan of cooling tower control device, ice-melt pump motor frequency-converting control device, ice-reserving pump motor frequency-converting control device and Double-working-condition refrigeration host computer; Described temperature collection circuit, pressure acquisition circuit, flow collection circuit, ice amount Acquisition Circuit, electric valve controller, chilled water pump motor frequency-converting control device, cooling water pump frequency conversion control device for motor, blower fan of cooling tower control device, ice-melt pump motor frequency-converting control device, ice-reserving pump motor frequency-converting control device all are connected with primary processor with the Double-working-condition refrigeration host computer; Described host computer is connected with primary processor by the first communication module; Described remote interface circuit is connected with primary processor by the second communication module;
Wherein
One power circuit, be used to each module that required direct current is provided
One host computer, arranged and checked for the parameter to primary processor;
One remote interface circuit, for realizing telemonitoring and control;
One temperature collection circuit, for gathering cooling water outlet, cooling water inlet, chilled water water outlet, chilled water water inlet, outdoor temperature temperature information;
One pressure acquisition circuit, for gathering chilled water discharge pressure, chilled water pressure of return water, ice-melt discharge pressure;
One flow Acquisition Circuit, for gathering chilled water water flow, cooling water water flow, ice-melt water water flow data;
One pressure acquisition circuit, for gathering chilled water discharge pressure, chilled water pressure of return water, ice-melt water discharge pressure;
One ice amount Acquisition Circuit, for gathering ice amount size, draw the refrigerating capacity size that ice-reserving discharges;
One electric valve controller, in order to control the opening and closing of electrically operated valve
One chilled water pump motor frequency-converting control device, control the frequency of chilled water pump motor, reaches the best of chilled water water yield;
One cooling water pump frequency conversion control device for motor, control the frequency of cooling water pump motor, reaches the best of cooling water outlet amount;
One ice-melt pump motor frequency-converting control device, control the frequency of ice-melt pump motor, reaches the best of ice-melt water yield;
One ice-reserving pump motor frequency-converting control device, control the frequency of ice-reserving pump motor, reaches the best of ice-reserving inflow;
One blower fan of cooling tower control device, control the start and stop of the blower fan of cooling tower;
One primary processor, primary processor is PLC, for above-mentioned pressure, temperature, flow, refrigerating capacity, ice-making capacity parameter, is gathered, analyzes, calculates, processes.
As preferably, described primary processor (80) is PLC, and described the first communication module (90), the second communication module are the RS422 communication module.
The utility model compared with prior art has following advantage: the one, but science freedom arranges power save parameters, and the real time data that primary processor gathers, calculate the refrigerating capacity of air conditioner load in real time, adopts fuzzy control technology, realizes best optimum control; Automaticity is high, safe and reliable to operation, antijamming capability is strong, energy-saving effect is remarkable, operation of air conditioner efficiency is high; The 2nd, can be preserved data, history checks, and realize remote monitoring by long-range RS422 communication module; The 3rd, the electrical network peak load shifting further is optimized, good social benefit is arranged; The 4th, deduction and exemption power capacity increasing tariff use, reduce the installed capacity of refrigeration host computer, reduces corresponding controller switching equipment investment.
The accompanying drawing explanation
Fig. 1: ice storage central air-conditioning controller system circuit diagram.
Number in the figure is: the 10-power circuit, the 20-temperature collection circuit, 30-pressure acquisition circuit, 40-flow collection circuit, 50-ice amount Acquisition Circuit, the 60-electric valve controller, 70-chilled water pump motor frequency-converting control device, the 80-primary processor is PLC, 90-the first communication module is the RS422 communication module, the 100-host computer is man-machine interface, 110-the second communication module is the RS422 communication module, the 120-remote interface circuit, 130-cooling water pump frequency conversion control device for motor, 140-blower fan of cooling tower control device, 150-ice-melt pump motor frequency-converting control device, 160-ice-reserving pump motor frequency-converting control device, 170-Double-working-condition refrigeration host computer.
The specific embodiment
The utility model is described in further detail for the embodiment represented below in conjunction with accompanying drawing 1:
It comprises power circuit 10, and it also comprises: host computer 100, remote interface circuit 120, temperature collection circuit 20, pressure acquisition circuit 30, flow collection circuit 40, ice amount Acquisition Circuit 50, electric valve controller 60, chilled water pump motor frequency-converting control device 70, primary processor are PLC80, cooling water pump frequency conversion control device for motor 130, blower fan of cooling tower control device 140, ice-melt pump motor frequency-converting control device 150, ice-reserving pump motor frequency-converting control device 160 and Double-working-condition refrigeration host computer 170; Described temperature collection circuit 20, pressure acquisition circuit 30, flow collection circuit 40, ice amount Acquisition Circuit 50, electric valve controller 60, chilled water pump motor frequency-converting control device 70, cooling water pump frequency conversion control device for motor 130, blower fan of cooling tower control device 140, ice-melt pump motor frequency-converting control device 150), ice-reserving pump motor frequency-converting control device 160 is all that PLC80 is connected with primary processor with Double-working-condition refrigeration host computer 170; Described host computer 100 is that man-machine interface is passed through the first communication module 90 and is connected with primary processor 80; Described remote interface circuit 120 is connected with primary processor 80 by the second communication module 110; Described primary processor 80 is PLC, and described the first communication module 90, the second communication module 110 are the RS422 communication module.
Claims (2)
1. an ice storage central air-conditioning control system, comprise power circuit (10), it is characterized in that it also comprises: host computer (100), remote interface circuit (120), temperature collection circuit (20), pressure acquisition circuit (30), flow collection circuit (40), ice amount Acquisition Circuit (50), electric valve controller (60), chilled water pump motor frequency-converting control device (70), primary processor (80), cooling water pump frequency conversion control device for motor (130), blower fan of cooling tower control device (140), ice-melt pump motor frequency-converting control device (150), ice-reserving pump motor frequency-converting control device (160) and Double-working-condition refrigeration host computer (170), described temperature collection circuit (20), pressure acquisition circuit (30), flow collection circuit (40), ice amount Acquisition Circuit (50), electric valve controller (60), chilled water pump motor frequency-converting control device (70), cooling water pump frequency conversion control device for motor (130), blower fan of cooling tower control device (140), ice-melt pump motor frequency-converting control device (150), ice-reserving pump motor frequency-converting control device (160) all is connected with primary processor (80) with Double-working-condition refrigeration host computer (170), described host computer (100) is connected with primary processor (80) by the first communication module (90), described remote interface circuit (120) is connected with primary processor (80) by the second communication module (110).
2. a kind of ice storage central air-conditioning control system according to claim 1, is characterized in that, described primary processor (80) is PLC, and described the first communication module (90), the second communication module (110) are the RS422 communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320437926 CN203349443U (en) | 2013-07-23 | 2013-07-23 | Ice storage central air-conditioning control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320437926 CN203349443U (en) | 2013-07-23 | 2013-07-23 | Ice storage central air-conditioning control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349443U true CN203349443U (en) | 2013-12-18 |
Family
ID=49749338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320437926 Expired - Fee Related CN203349443U (en) | 2013-07-23 | 2013-07-23 | Ice storage central air-conditioning control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203349443U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913438A (en) * | 2015-05-19 | 2015-09-16 | 广州供电局有限公司 | Ice storage system control optimization method and system |
| CN106016528A (en) * | 2016-04-22 | 2016-10-12 | 广州汉正能源科技有限公司 | Dynamic ice cool storage air cooling mechanism and variable-frequency low-temperature system thereof |
-
2013
- 2013-07-23 CN CN 201320437926 patent/CN203349443U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913438A (en) * | 2015-05-19 | 2015-09-16 | 广州供电局有限公司 | Ice storage system control optimization method and system |
| CN104913438B (en) * | 2015-05-19 | 2017-08-01 | 广州供电局有限公司 | Ice-storage system controls optimization method and system |
| CN106016528A (en) * | 2016-04-22 | 2016-10-12 | 广州汉正能源科技有限公司 | Dynamic ice cool storage air cooling mechanism and variable-frequency low-temperature system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131218 Termination date: 20170723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |