CN204478354U - A kind of ice-storage air-conditioning control system - Google Patents

A kind of ice-storage air-conditioning control system Download PDF

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Publication number
CN204478354U
CN204478354U CN201520020187.1U CN201520020187U CN204478354U CN 204478354 U CN204478354 U CN 204478354U CN 201520020187 U CN201520020187 U CN 201520020187U CN 204478354 U CN204478354 U CN 204478354U
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ice
storage
valve
temperature sensor
reserving
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张传钢
周辰昱
徐小光
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Upper Valley Energy Technology (beijing) Co Ltd
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Upper Valley Energy Technology (beijing) Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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Abstract

The open ice-storage air-conditioning control system of the utility model, comprise ice storage system and interiorly establish the cold supply system of three-temperature sensor and second quantity sensor and the heat exchanger between it, ice storage system comprises ice-reserving main frame, eg pump and ice-storage equipment, the first temperature sensor and the second temperature sensor is provided with before and after ice-storage equipment, first flow sensor is provided with after ice-storage equipment, cold supply system comprises chilled water pump and user's cooling equipment, first flow sensor, second quantity sensor, first, second, three-temperature sensor, ice-reserving main frame, heat exchanger, eg pump, ice-storage equipment, cooling equipment is all connected with automatic controller with chilled water pump.The utility model ice-storage air-conditioning Control system architecture is simple, can in whole ice-storage system runs accurate Calculation ice storage amount and ice storage, and can according to the cold demand in user side, automatic adjustment ice-reserving operation and ice-melt operation, ice-reserving efficiency, ice-melt efficiency and chilled water leaving water temperature.

Description

A kind of ice-storage air-conditioning control system
Technical field
The utility model relates to a kind of control system, particularly relates to a kind of ice-storage air-conditioning control system.
Background technology
Air conditioner energy saving is the important component part of building energy conservation.Ice storage technology is one of key technology of air conditioner energy saving, has balanced network load, minimizing power plant unit capacity, peak load shifting, energy-saving and emission-reduction, saving air-conditioning system operating cost, reduces the feature such as air-conditioning system installed capacity and distribution capacity.
Ice-chilling air conditioning system comprises: ice-storage equipment, Double-working-condition main frame, plate type heat exchanger, eg pump, automatic control system connecting pipe etc.Wherein control system is one of critical component of ice-storage system.Automatic control system is in the market mainly to the opening and closing of electrically operated valve, the opening and closing of Double-working-condition main frame, the control of the opening and closing of water pump, cooling tower, wherein the control of ice storage amount mainly responded to by liquid level sensor and controlled, or responded to by infrared level sensors and control.Namely to the display of ice storage amount with control to change to show mainly through the liquid level of ice-storage equipment.This method display error is large, causes ice-melt to terminate or still have remainingly causing waste, or ice-melt terminates, and causes system temperature to raise suddenly, affects result of use.
Summary of the invention
The utility model completes to solve deficiency of the prior art, the purpose of this utility model be to provide a kind of structure simple, can in whole ice-storage system runs accurate Calculation ice storage amount and ice storage, and can according to the cold demand in user side, automatic adjustment ice-reserving operation and ice-melt operation, the ice-storage air-conditioning control system of ice-reserving efficiency, ice-melt efficiency and chilled water leaving water temperature.
A kind of ice-storage air-conditioning control system of the present utility model, comprise ice storage system and cold supply system, heat exchanger is provided with between described ice storage system and described cold supply system, described ice storage system comprises ice-reserving main frame, eg pump and ice-storage equipment, the front and back pipeline of described ice-storage equipment is provided with the first temperature sensor and the second temperature sensor, the rear pipeline of described ice-storage equipment is provided with first flow sensor, described cold supply system comprises chilled water pump and user's cooling equipment, three-temperature sensor and second quantity sensor is provided with in described cold supply system, described heat exchanger is connected with ice-storage equipment and described chilled water pump respectively, described first flow sensor, second quantity sensor, first temperature sensor, second temperature sensor and three-temperature sensor, ice-reserving main frame, heat exchanger, eg pump, ice-storage equipment, cooling equipment is all connected with automatic controller with chilled water pump.
A kind of ice-storage air-conditioning control system of the present utility model can also be:
Ice making loop and ice-melt loop is comprised in described ice storage system, described ice making loop comprises the described eg pump in the composition loop connected successively, ice-reserving main frame, first valve, ice-storage equipment and the 3rd valve, described ice-melt loop comprises the heat exchanger in the composition loop connected successively, eg pump, ice-reserving main frame, first valve, ice-storage equipment and the 4th valve, described first temperature sensor is arranged between described ice-reserving main frame and described first valve, described ice-storage equipment and be provided with the second temperature sensor between described 3rd valve and described 4th valve, described first flow sensor setting is between described second temperature sensor and described ice-storage equipment, described first valve, 3rd valve, 4th valve is all connected with automatic controller.
Ice-reserving regulating loop and ice-melt regulating loop is also comprised in described ice storage system, described ice-reserving main frame and be provided with the second valve between described eg pump and described heat exchanger, described ice-reserving regulating loop comprises the eg pump connecting to form loop successively, ice-reserving main frame, second valve and the 3rd valve, described ice-melt regulating loop comprises the heat exchanger connecting to form loop successively, eg pump, ice-reserving main frame, second valve and the 4th valve, described second valve is connected with automatic controller, described second valve is between described first temperature sensor and described second temperature sensor.
Described three-temperature sensor is arranged between described heat exchanger and described chilled water pump, and described second quantity sensor is arranged between described heat exchanger and described cooling equipment.
Described heat exchanger is plate type heat exchanger.
A kind of ice-storage air-conditioning control system of the present utility model, comprise ice storage system and cold supply system, heat exchanger is provided with between described ice storage system and described cold supply system, described ice storage system comprises ice-reserving main frame, eg pump and ice-storage equipment, the front and back pipeline of described ice-storage equipment is provided with the first temperature sensor and the second temperature sensor, the rear pipeline of described ice-storage equipment is provided with first flow sensor, described cold supply system comprises chilled water pump and user's cooling equipment, three-temperature sensor and second quantity sensor is provided with in described cold supply system, described heat exchanger is connected with ice-storage equipment and described chilled water pump respectively, described first flow sensor, second quantity sensor, first temperature sensor, second temperature sensor and three-temperature sensor, ice-reserving main frame, heat exchanger, eg pump, ice-storage equipment, cooling equipment is all connected with automatic controller with chilled water pump.Like this, when Xu Yuanzhong, first temperature sensor senses also record enters the temperature of the refrigerant of ice-storage equipment and transfers to automatic controller, and the second temperature sensor senses also records the temperature of the refrigerant flowing out ice-storage equipment and transfers to automatic controller, first flow sensor sensing flows out the flow of the refrigerant of ice-storage equipment and transfers to automatic controller simultaneously, automatic control system calculates ice storage amount and remaining ice amount according to the temperature difference data of conveying and flowmeter, and then facilitate automatic control whether to proceed ice-reserving still to reduce ice storage amount, reach energy-conservation object.In addition when cooling operating mode, first temperature sensor of ice storage system and the second temperature sensor and first flow sensor can know that ice storage is how many, remain how much ice amount, be arranged at the amount of the temperature of chilled water and the chilled water of output exported after three-temperature sensor in cold supply system and second quantity sensor then sense user's cooling simultaneously and be delivered to automatic controller, automatic controller calculates the cold that cooling equipment needs and the cold expended, and then can automatically regulate ice storage system to be stop ice-reserving, reduce ice-reserving and still increase ice storage amount etc.Relative to the advantage of prior art be: can in whole ice-storage system runs accurate Calculation ice storage amount and ice storage, and can according to the cold demand in user side, automatic adjustment ice-reserving operation or ice-melt operation, ice-reserving efficiency, ice-melt efficiency and chilled water leaving water temperature.
Accompanying drawing explanation
A kind of ice-storage air-conditioning Control system architecture of Fig. 1 the utility model block diagram.
Figure number explanation
1 ... ice-reserving main frame 2 ... eg pump 3 ... ice-storage equipment
4 ... plate type heat exchanger 5 ... chilled water pump 6 ... cooling equipment
7 ... first temperature sensor 8 ... second temperature sensor 9 ... three-temperature sensor
10 ... first flow sensor 11 ... second quantity sensor 12 ... first valve
13 ... second valve 14 ... 3rd valve 15 ... 4th valve
16 ... automatic controller
Detailed description of the invention
Fig. 1 below in conjunction with accompanying drawing is described in further detail a kind of ice-storage air-conditioning control system of the present utility model.
A kind of ice-storage air-conditioning control system of the present utility model, please refer to Fig. 1, comprise ice storage system and cold supply system, heat exchanger is provided with between described ice storage system and described cold supply system, described ice storage system comprises ice-reserving main frame 1, eg pump 2 and ice-storage equipment 3, the front and back pipeline of described ice-storage equipment 3 is provided with the first temperature sensor 7 and the second temperature sensor 8, the rear pipeline of described ice-storage equipment 3 is provided with first flow sensor 10, described cold supply system comprises chilled water pump 5 and user's cooling equipment 6, three-temperature sensor 9 and second quantity sensor 11 is provided with in described cold supply system, described heat exchanger is connected with ice-storage equipment 3 and described chilled water pump 5 respectively, described first flow sensor 10, second quantity sensor 11, first temperature sensor 7, second temperature sensor 8 and three-temperature sensor 9, ice-reserving main frame 1, heat exchanger, eg pump 2, ice-storage equipment 3, cooling equipment 6 is all connected with automatic controller 16 with chilled water pump 5.Like this, when Xu Yuanzhong, first temperature sensor 7 senses and records the temperature of the refrigerant entering ice-storage equipment 3 and transfer to automatic controller 16, and the second temperature sensor 8 senses and record flow out ice-storage equipment 3 refrigerant temperature and transfer to automatic controller 16, first flow sensor 10 senses the flow of the refrigerant flowing out ice-storage equipment 3 and transfers to automatic controller 16 simultaneously, automatic control system calculates ice storage amount and remaining ice amount according to the temperature difference data of conveying and flowmeter, and then facilitate automatic control whether to proceed ice-reserving still to reduce ice storage amount, reach energy-conservation object.In addition when cooling operating mode, first temperature sensor 7 of ice storage system and the second temperature sensor 8 and first flow sensor 10 can know that ice storage is how many, remain how much ice amount, be arranged at the amount of three-temperature sensor 9 in cold supply system and the temperature of second quantity sensor 11 chilled waters exported after sensing user's cooling and the chilled water of output simultaneously and be delivered to automatic controller 16, automatic controller 16 calculates the cold that cooling equipment 6 needs and the cold expended, and then can automatically regulate ice storage system to be stop ice-reserving, reduce ice-reserving and still increase ice storage amount etc.Relative to the advantage of prior art be: can in whole ice-storage system runs accurate Calculation ice storage amount and ice storage, and can according to the cold demand in user side, automatic adjustment ice-reserving operation or ice-melt operation, ice-reserving efficiency, ice-melt efficiency and chilled water leaving water temperature.
A kind of ice-storage air-conditioning control system of the present utility model, please refer to Fig. 1, the basis of previously described technical scheme can be specifically: in described ice storage system, comprise ice making loop and ice-melt loop, described ice making loop comprises the described eg pump 2 in the composition loop connected successively, ice-reserving main frame 1, first valve 12, ice-storage equipment 3 and the 3rd valve 14, described ice-melt loop comprises the heat exchanger in the composition loop connected successively, eg pump 2, ice-reserving main frame 1, first valve 12, ice-storage equipment 3 and the 4th valve 15, described first temperature sensor 7 is arranged between described ice-reserving main frame 1 and described first valve 12, described ice-storage equipment 3 and be provided with the second temperature sensor 8 between described 3rd valve 14 and described 4th valve 15, described first flow sensor 10 is arranged between described second temperature sensor 8 and described ice-storage equipment 3, described first valve 12, 3rd valve 14, 4th valve 15 is all connected with automatic controller 16.Like this, fully realize can in whole ice-storage system runs accurate Calculation ice storage amount and ice storage, and according to the cold demand in user side, automatically can regulate ice-reserving operation or ice-melt operation, ice-reserving efficiency, ice-melt efficiency and chilled water leaving water temperature.Preferred technical scheme is also comprise ice-reserving regulating loop and ice-melt regulating loop in described ice storage system further, described ice-reserving main frame 1 and be provided with the second valve 13 between described eg pump 2 and described heat exchanger, described ice-reserving regulating loop comprises the eg pump 2 connecting to form loop successively, ice-reserving main frame 1, second valve 13 and the 3rd valve 14, described ice-melt regulating loop comprises the heat exchanger connecting to form loop successively, eg pump 2, ice-reserving main frame 1, second valve 13 and the 4th valve 15, described second valve 13 is connected with automatic controller 16, described second valve 13 is between described first temperature sensor 7 and described second temperature sensor 8.Like this, concrete analysis: under Xu Yuanzhong, control unlatching first valve 12 and the 3rd valve 14 by automatic controller 16, closes the 4th valve 15, controls to adjust the second valve 13 aperture according to ice-reserving situation automatic controller 16, and then regulates ice storage amount.Now by ice-reserving main frame 1, eg pump 2, the circulation ice-making loop that ice-storage equipment 3 is formed is run, in this cyclic process, power is provided by eg pump 2, the low temperature refrigerant that ice-storage equipment 3 is provided by ice-reserving main frame 1, continuous heat exchange, thus renew cold, constantly ice-reserving, meanwhile, temperature value when ice-storage equipment 3 refrigerant enters recorded by first temperature sensor 7, the temperature value by the refrigerant exported from ice-storage equipment 3 after ice-reserving after heat exchange recorded by second temperature sensor 8, first flow sensing gauge records the cold medium flux value by ice-storage equipment 3, the equal real time record of above numerical value is also delivered to automatic controller 16, automatic controller 16 calculates ice storage amount now, ice storage amount reach setting require time, by ice-reserving main frame 1, eg pump 2, the circulation ice-making loop that ice-storage equipment 3 is formed is out of service, effective saving energy, avoid the wasting of resources.Under ice melting, unlatching first valve 12 and the 4th valve 15 is controlled by automatic controller 16, close the 3rd valve 14, automatically regulate the aperture of the second valve 13 according to ice-melt situation automatic controller 16, and then increase or reduce ice-melt efficiency or raising or reduce ice storage.The ice-melt loop of the circulation now formed by ice-reserving main frame 1, eg pump 2, ice-storage equipment 3, plate type heat exchanger 4 is run, and ice-melt also gives cold supply system cooling.And described ice-reserving regulating loop comprises the eg pump 2, ice-reserving main frame 1, second valve 13 and the 3rd valve 14 that connect to form loop successively, such automatic controller 16 regulates the aperture of the second valve 13 automatically, increases or reduces ice storage amount.In addition, ice-melt regulating loop comprises the heat exchanger, eg pump 2, ice-reserving main frame 1, second valve 13 and the 4th valve 15 that connect to form loop successively, and such automatic controller 16 regulates the aperture of the second valve 13, increases or reduces ice storage.Realize the controllability of ice storage amount, ice-reserving efficiency, ice storage and ice-melt efficiency.
A kind of ice-storage air-conditioning control system of the present utility model, please refer to Fig. 1, the basis of previously described technical scheme can be specifically: described three-temperature sensor 9 is arranged between described heat exchanger and described chilled water pump 5 that described second quantity sensor 11 is arranged between described heat exchanger and described cooling equipment 6.In circulation ice-melt loop, eg pump 2 provides power, after refrigerant flows through ice-storage equipment 3 ice-melt heat-shift, the refrigerant of higher temperature is cooled to lower design temperature, the refrigerant of design temperature flows through the refrigerant that heat exchanger heat-shift flows out higher temperature, circulation like this, meanwhile, temperature value when ice-melting device refrigerant enters recorded by first temperature sensor 7, the refrigerant output temperature value after by heat exchange recorded by second temperature sensor 8, first flow sensing gauge records the cold medium flux value by ice-storage equipment 3, the equal real time record of above numerical value the ice storage calculated now.
In cold supply system, chilled water pump 5 provides power, after chilled water heat exchanger heat-shift, the chilled water of higher temperature is cooled to lower design temperature, the chilled water flow of design temperature is to cooling equipment 6 place of user side, for user's cooling, chilled water temperature after cooling raises and flows back to heat exchanger again, circulation like this, meanwhile, three-temperature sensor 9 records the chilled water return water temperature value of user side cooling equipment 6, second quantity sensor 11 records chilled water flow value, the equal real time record of above numerical value is also delivered to automatic controller 16, automatic controller 16 calculates the chilling requirement of user side now.Under ice melting, according to user side cooling equipment 6 chilling requirement drawn in Secondary water circulation cold supply system, refrigerant output temperature after ice-storage equipment 3 ice-melt in automatic controller 16 automatic adjustment circulation ice-melt loop, thus regulate chilled water leaving water temperature.When the ice storage calculated in circulation ice-melt loop show whole ice melted time, automatic controller is automatically out of service.
Known by describing above, ice-storage air-conditioning control system of the present utility model, accurate Calculation ice storage amount and ice storage can be accomplished, ice-melt effect can be regulated according to the demand of user, by above function, the energy can be made to obtain an equitable breakdown utilization, save the energy, can give with comfortable experience.
A kind of ice-storage air-conditioning control system of the present utility model, please refer to Fig. 1, and the basis of previously described technical scheme can also be: described heat exchanger is plate type heat exchanger 4.The advantage of plate type heat exchanger 4 is that heat transfer effect is high.
Above-mentionedly only several specific embodiments in the utility model to be illustrated; but can not as protection domain of the present utility model; every according to the change of the equivalence done by design spirit in the utility model or to modify or equal proportion zooms in or out, all should think and fall into protection domain of the present utility model.

Claims (5)

1. an ice-storage air-conditioning control system, it is characterized in that: comprise ice storage system and cold supply system, heat exchanger is provided with between described ice storage system and described cold supply system, described ice storage system comprises ice-reserving main frame, eg pump and ice-storage equipment, the front and back pipeline of described ice-storage equipment is provided with the first temperature sensor and the second temperature sensor, the rear pipeline of described ice-storage equipment is provided with first flow sensor, described cold supply system comprises chilled water pump and user's cooling equipment, three-temperature sensor and second quantity sensor is provided with in described cold supply system, described heat exchanger is connected with ice-storage equipment and described chilled water pump respectively, described first flow sensor, second quantity sensor, first temperature sensor, second temperature sensor and three-temperature sensor, ice-reserving main frame, heat exchanger, eg pump, ice-storage equipment, cooling equipment is all connected with automatic controller with chilled water pump.
2. a kind of ice-storage air-conditioning control system according to claim 1, it is characterized in that: in described ice storage system, comprise ice making loop and ice-melt loop, described ice making loop comprises the described eg pump in the composition loop connected successively, ice-reserving main frame, first valve, ice-storage equipment and the 3rd valve, described ice-melt loop comprises the heat exchanger in the composition loop connected successively, eg pump, ice-reserving main frame, first valve, ice-storage equipment and the 4th valve, described first temperature sensor is arranged between described ice-reserving main frame and described first valve, described ice-storage equipment and be provided with the second temperature sensor between described 3rd valve and described 4th valve, described first flow sensor setting is between described second temperature sensor and described ice-storage equipment, described first valve, 3rd valve, 4th valve is all connected with automatic controller.
3. a kind of ice-storage air-conditioning control system according to claim 2, it is characterized in that: in described ice storage system, also comprise ice-reserving regulating loop and ice-melt regulating loop, described ice-reserving main frame and be provided with the second valve between described eg pump and described heat exchanger, described ice-reserving regulating loop comprises the eg pump connecting to form loop successively, ice-reserving main frame, second valve and the 3rd valve, described ice-melt regulating loop comprises the heat exchanger connecting to form loop successively, eg pump, ice-reserving main frame, second valve and the 4th valve, described second valve is connected with automatic controller, described second valve is between described first temperature sensor and described second temperature sensor.
4. a kind of ice-storage air-conditioning control system according to claim 1 or 2 or 3, it is characterized in that: described three-temperature sensor is arranged between described heat exchanger and described chilled water pump, described second quantity sensor is arranged between described heat exchanger and described cooling equipment.
5. a kind of ice-storage air-conditioning control system according to claim 1 or 2 or 3, is characterized in that: described heat exchanger is plate type heat exchanger.
CN201520020187.1U 2015-01-12 2015-01-12 A kind of ice-storage air-conditioning control system Active CN204478354U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107131694A (en) * 2017-05-12 2017-09-05 上海碳誉节能环保科技有限公司 A kind of Cool Thermal Storage For The Air conditioning system
CN107741072A (en) * 2017-11-14 2018-02-27 江苏高菱蓄能科技有限公司 A kind of ice cold-storage energy-saving equipment
CN110567200A (en) * 2019-10-14 2019-12-13 堃霖冷冻机械(上海)有限公司 Multi-purpose energy-saving integrated machine for ice storage, ice melting and heating
CN115654612A (en) * 2022-10-26 2023-01-31 珠海格力电器股份有限公司 Diagnosis method and device of ice cold storage system and ice cold storage equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107131694A (en) * 2017-05-12 2017-09-05 上海碳誉节能环保科技有限公司 A kind of Cool Thermal Storage For The Air conditioning system
CN107741072A (en) * 2017-11-14 2018-02-27 江苏高菱蓄能科技有限公司 A kind of ice cold-storage energy-saving equipment
CN110567200A (en) * 2019-10-14 2019-12-13 堃霖冷冻机械(上海)有限公司 Multi-purpose energy-saving integrated machine for ice storage, ice melting and heating
CN115654612A (en) * 2022-10-26 2023-01-31 珠海格力电器股份有限公司 Diagnosis method and device of ice cold storage system and ice cold storage equipment

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