CN203010847U - Ice storage cold supply control system - Google Patents
Ice storage cold supply control system Download PDFInfo
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- CN203010847U CN203010847U CN 201220647327 CN201220647327U CN203010847U CN 203010847 U CN203010847 U CN 203010847U CN 201220647327 CN201220647327 CN 201220647327 CN 201220647327 U CN201220647327 U CN 201220647327U CN 203010847 U CN203010847 U CN 203010847U
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- control valve
- temperature sensor
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Abstract
The utility model relates to an ice storage cold supply control system, which comprises a controller, wherein the ice storage cold supply control system also comprises a pipeline temperature sensor, a pressure sensor, a flow rate sensor, a liquid level sensor, an environment temperature sensor and a control valve, the pipeline temperature sensor, the pressure sensor, the flow rate sensor, the liquid level sensor, the environment temperature sensor and the control valve are connected with the controller through signals, each sensor is respectively used for collecting the temperature change, the pressure change, the flow rate change, the liquid level height change and the environment temperature change of circulation liquid in a water pipe of an air conditioner cold supply system, and the control valve is arranged on a circulation system pipeline of the air conditioner cold supply system and is used for controlling the flow direction and the flow rate of the circulation liquid in a circulation system of the air conditioner cold supply system. Under the condition that the air conditioner cold supply system cannot meet the system load requirement under the single ice melting cold supply or single-host cold supply work condition, the system switches the ice making and refrigeration work conditions, operates the optimized control mode, and regulates the cold supply power peak.
Description
Technical field
The utility model relates to a kind of energy conversion system, particularly relates to a kind of energy conversion system for refrigeration.
Background technology
At the central air conditioning Refrigeration Specialty of existing building, huge to power consumption, often cause operation cost higher.In order to reduce the peak value power load of cold supply system, with take full advantage of the zone in relevant electric power preferential policy and peak-trough electricity price difference, reduce the investment of power transmission and transforming equipment, significantly reduce the operating cost of air-conditioning, can consider to adopt the air-conditioning cold supply system with the ice-reserving cold supply system.as shown in Figure 1, be subject to the equipment purchase cost, every kind of equipment all needs one group of concurrent working to guarantee necessary load power, the air-conditioning cold supply system comprises cooling system, the circulatory system and cold supply system, the cold side of base load main frame 01, the cold side of one group of Double-working-condition main frame 02, one group of Double-working-condition coolant pump 03, one group of base load coolant pump 04 and one group of cooling tower 05 connect into cooling system by water pipe, the circulation side of base load main frame 01, one group of base load coolant pump 06, water collector 07 and water knockout drum 08 connect into the base load cycle subsystem of the circulatory system by water pipe, the circulation side of one group of Double-working-condition main frame 02, Ice Storage Tank 10, the circulation side of one group of plate type heat exchanger 11 and one group of eg pump 09 connect into the ice-reserving cycle subsystem of the circulatory system by water pipe, the freezing side of one group of plate type heat exchanger 11, one group of Double-working-condition refrigerating water pump 12, water collector 07 and water knockout drum 08 connect into cold supply system by water pipe.On the discrepancy water pipe of each equipment of air-conditioning cold supply system, motor-driven valve M is installed, industrial control unit (ICU) is by controlling the unlatching of each motor-driven valve M, the operate power of regulating cooling system, the circulatory system and cold supply system.
But in prior art, can not coordinate well for ice-reserving operating conditions flow process and cooling condition control flow, cause the efficient of cooling water pump in system, cooling tower lower, the waste of Ice Storage Tank cold storage capacity, Double-working-condition host work pattern is single, and equipment attrition is larger, and system shortens service life.
The utility model content
The purpose of this utility model is that a kind of ice-reserving cooling control system will be provided, and solves Double-working-condition main frame and ice storage system optimal control equipment room inaccurate coordination, to the slow technical problem of cooling demand reflection.
Ice-reserving cooling control system of the present utility model comprises controller, wherein: and also comprise the pipeline temperature sensor, pressure sensor, flow sensor, liquid level sensor, environment temperature sensor and the control valve that are connected with described controller signals,
The pipeline temperature sensor is for the variations in temperature of the circulating fluid that gathers air-conditioning cold supply system water pipe;
Pressure sensor, the pressure that is used for the circulating fluid of collection air-conditioning cold supply system water pipe changes;
Flow sensor is for the changes in flow rate of the circulating fluid that gathers air-conditioning cold supply system water pipe;
Liquid level sensor, the liquid level that is used for gathering in air-conditioning cold supply system Ice Storage Tank changes;
Environment temperature sensor is for the variation of ambient temperature that gathers air-conditioning cold supply system customer charge side;
Control valve is installed on the circulatory system pipeline of air-conditioning cold supply system, is used for the flow direction and the flow of the circulatory system circulating fluid of control air-conditioning cold supply system.
Described control valve comprises the first control valve, the second control valve, the 3rd control valve and the 4th control valve, arrange first and be communicated with arm between the water inlet pipe of Ice Storage Tank and outlet pipe, arrange second and be communicated with arm between the water inlet pipe of the outlet pipe of Ice Storage Tank and eg pump, the second control valve is installed on the water inlet pipe of Ice Storage Tank, be communicated with first the first control valve is installed on arm, be communicated with second the 3rd control valve is installed on arm, on the outlet pipe of Ice Storage Tank and the water pipe between plate type heat exchanger, the 4th control valve is installed.
In the cooling system of air-conditioning cold supply system, on the water inlet pipe of cooling tower, outlet pipe, described pipeline temperature sensor is installed on the outlet pipe of base load main frame and Double-working-condition main frame;
in the circulatory system of air-conditioning cold supply system, described pipeline temperature sensor is installed on the water pipe between Ice Storage Tank and Double-working-condition main frame, pressure sensor, described pipeline temperature sensor is installed on the outlet pipe of Ice Storage Tank, first is communicated with the described pipeline temperature sensor of installation on arm and the second water pipe that is communicated with between arm, pressure sensor, flow sensor, described pipeline temperature sensor is installed on eg pump and the second water pipe that is communicated with between arm, pressure sensor, on the second water pipe that is communicated with between arm and plate type heat exchanger, described pipeline temperature sensor is installed, described pipeline temperature sensor is installed on the water pipe between base load refrigerating water pump and water knockout drum, flow sensor, described liquid level sensor is installed in Ice Storage Tank,
In the cold supply system of air-conditioning cold supply system, described pipeline temperature sensor is installed on the water pipe between plate type heat exchanger and Double-working-condition freezer unit, described pipeline temperature sensor is installed on the water pipe between plate type heat exchanger and water collector, described pressure sensor is installed on the water pipe between the load of water knockout drum and water collector and user's side, described environment temperature sensor is installed on the load of user's side.
Ice-reserving cooling control system of the present utility model, single ice-melt cooling or single host cooling operating mode can make the air-conditioning cold supply system in the situation that can not satisfy the system loading requirement, system is with ice making, cooling condition conversion, and operation " optimal control " pattern is adjusted the cooling power peak.
Adopt respectively ice-melt preferentially and two kinds of optimal control control strategies of chiller priority in electricity price peak period and electricity price Pinggu period, take full advantage of peak, ordinary telegram valency, save operating cost.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Description of drawings
Fig. 1 is the structural representation of air-conditioning cold supply system in prior art;
Fig. 2 is the structural representation of the utility model ice-reserving cooling control system;
Fig. 3 is the control valve installation position schematic diagram of the utility model ice-reserving cooling control system;
Fig. 4 is the sensor installation position schematic diagram of the utility model ice-reserving cooling control system.
The specific embodiment
As shown in Figure 2, ice-reserving cooling control system of the present utility model comprises controller 20, pipeline temperature sensor 21, pressure sensor 22, flow sensor 23, liquid level sensor 24, environment temperature sensor 25, control valve V and motor-driven valve M,
Motor-driven valve M is for the discrepancy water pipe on off state of each equipment of controlling the air-conditioning cold supply system;
Control valve V is installed on the circulatory system pipeline of air-conditioning cold supply system, is used for the flow direction and the flow of the circulatory system circulating fluid of control air-conditioning cold supply system;
Each sensor is connected control valve V and is connected with controller by signal transmission line with motor-driven valve M, complete the transmission of control signal and sensor signal.
Ice-reserving cooling control system of the present utility model is controlled the opening of control valve V by gathering the pipeline state parameter of each cycle subsystem in the air-conditioning cold supply system, the flow direction and the flow of circulating fluid in the circulatory system of change air-conditioning cold supply system; Making Double-working-condition main frame 02 can be Ice Storage Tank ice making storage refrigerating capacity when electricity price is cheap, when peak of power consumption, partly or entirely substitutes Double-working-condition main frame 02 refrigeration, reduces power consumption, or with 02 co-ordination of Double-working-condition main frame, improve the peak value refrigerating efficiency.
As shown in Figure 3, in the ice-reserving cycle subsystem, arrange first and be communicated with arm L1 between the water inlet pipe of Ice Storage Tank 10 and outlet pipe, arrange second and be communicated with arm L2 between the water inlet pipe of the outlet pipe of Ice Storage Tank and eg pump 09, the second control valve V2 is installed on the water inlet pipe of Ice Storage Tank 10, be communicated with first the first control valve V1 is installed on arm L1, be communicated with second the 3rd control valve V3 is installed on arm L2, installation the 4th control valve V4 on the water pipe of 11 of outlet pipe and the plate type heat exchangers of Ice Storage Tank.
Control the first control valve V1 when controller 20 and close, the second control valve V2 opens, and the 3rd control valve V3 closes, and the 4th control valve V4 opens, and can change the operating mode program, realizes Double-working-condition main frame ice-reserving;
Control the first control valve V1 when controller 20 and open, the second control valve V2 closes, and the 3rd control valve V3 opens, and the 4th control valve V4 closes, and can change the operating mode program, realizes Double-working-condition main frame separate refrigeration;
Control opening, the angle of the first control valve V1, the second control valve V2, the 3rd control valve V3 and the 4th control valve V4 when controller 20, can change the operating mode program, realize the independent cooling of Ice Storage Tank;
Control opening, the angle of the first control valve V1, the second control valve V2, the 3rd control valve V3 and the 4th control valve V4 when controller 20, can change the operating mode program, realize Ice Storage Tank and the optimal control of Double-working-condition main frame.
As shown in Figure 4, in the cooling system of air-conditioning cold supply system, on the water inlet pipe of cooling tower 05, outlet pipe, on the outlet pipe of base load main frame 01 and Double-working-condition main frame 02, pipeline temperature sensor 21 is installed;
in the circulatory system of air-conditioning cold supply system, on the water pipe that Ice Storage Tank 10 and Double-working-condition main frame are 02, pipeline temperature sensor 21 is installed, pressure sensor 22, installation pipeline temperature sensor 21 on the outlet pipe of Ice Storage Tank 10, first is communicated with installation pipeline temperature sensor 21 on arm L1 and the second water pipe that is communicated with between arm L2, pressure sensor 22, flow sensor 23, installation pipeline temperature sensor 21 on eg pump 09 and the second water pipe that is communicated with between arm L2, pressure sensor 22, be communicated with installation pipeline temperature sensor 21 on the water pipe of 11 of arm L2 and plate type heat exchangers second, installation pipeline temperature sensor 21 on the water pipe that base load refrigerating water pump 06 and water knockout drum are 08, flow sensor 23, liquid level sensor 24 is installed in Ice Storage Tank 10,
In the cold supply system of air-conditioning cold supply system, installation pipeline temperature sensor 21 on the water pipe that plate type heat exchanger 11 and Double-working-condition freezer unit are 12, installation pipeline temperature sensor 21 on the water pipe that plate type heat exchanger 11 and water collector are 07, setting pressure sensor 22 on the water pipe that the load of water knockout drum 08 and water collector 07 and user's side is 13, installation environment temperature sensor 25 on the load 13 of user's side.
Gather temperature, pressure, the flow signal of each pipeline of air-conditioning cold supply system by each sensor, can so that the precisely controlled feedback signal of controller 20 improves the control signal precision of generation, can accurately control the folding condition of motor-driven valve and control valve.Coordinate the interlock of 20 pairs of equipment of controller to control, realize refrigeration, ice making control procedure flexibly.
According to each sensor signal, controller is adjusted the equipment working condition parameter, realizes the optimization of equipment operation order, reduces the wearing and tearing of single equipment.
When ice-melt is preferential, the maximum rate ice-melt, according to workload demand, controller is controlled the unlatching number of units of Double-working-condition main frame, and control Double-working-condition main frame outlet temperature setting value according to optimisation strategy, by controlling the 3rd control valve V3, the 4th control valve V4, replenish the freezing supply and return water temperature of adjusting control and satisfy the end requirement simultaneously, guarantee that the main unit load rate is more than 40%.During chiller priority, preferential unlatching Double-working-condition main frame also moves under peak power, when two whole unlatchings of Double-working-condition main frame can not be satisfied the end burden requirement, controller is regulated the aperture of the first control valve V1 and the second control valve V2, carry out ice-melt and control the ice-melt speed of ice build-up tank, guarantee the needs of end load.
Above-described embodiment is described preferred embodiment of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (3)
1. ice-reserving cooling control system, comprise controller (20), it is characterized in that: also comprise the pipeline temperature sensor (21), pressure sensor (22), flow sensor (23), liquid level sensor (24), environment temperature sensor (25) and the control valve (V) that are connected with described controller (20) signal
Pipeline temperature sensor (21) is for the variations in temperature of the circulating fluid that gathers air-conditioning cold supply system water pipe;
Pressure sensor (22), the pressure that is used for the circulating fluid of collection air-conditioning cold supply system water pipe changes;
Flow sensor (23) is for the changes in flow rate of the circulating fluid that gathers air-conditioning cold supply system water pipe;
Liquid level sensor (24), the liquid level that is used for gathering in air-conditioning cold supply system Ice Storage Tank changes;
Environment temperature sensor (25) is for the variation of ambient temperature that gathers air-conditioning cold supply system customer charge side;
Control valve (V) is installed on the circulatory system pipeline of air-conditioning cold supply system, is used for the flow direction and the flow of the circulatory system circulating fluid of control air-conditioning cold supply system.
2. ice-reserving cooling control system according to claim 1, it is characterized in that: described control valve (V) comprises the first control valve (V1), the second control valve (V2), the 3rd control valve (V3) and the 4th control valve (V4), arrange first and be communicated with arm (L1) between the water inlet pipe of Ice Storage Tank (10) and outlet pipe, arrange second and be communicated with arm (L2) between the water inlet pipe of the outlet pipe of Ice Storage Tank (10) and eg pump (09), the second control valve (V2) is installed on the water inlet pipe of Ice Storage Tank (10), be communicated with upper the first control valve (V1) of installing of arm (L1) first, be communicated with upper the 3rd control valve (V3) of installing of arm (L2) second, the 4th control valve (V4) is installed on the outlet pipe of Ice Storage Tank (10) and the water pipe between plate type heat exchanger (11).
3. ice-reserving cooling control system according to claim 2, it is characterized in that: in the cooling system of air-conditioning cold supply system, on the water inlet pipe of cooling tower (05), outlet pipe, on the outlet pipe of base load main frame (01) and Double-working-condition main frame (02), described pipeline temperature sensor (21) is installed;
in the circulatory system of air-conditioning cold supply system, described pipeline temperature sensor (21) is installed on the water pipe between Ice Storage Tank (10) and Double-working-condition main frame (02), pressure sensor (22), described pipeline temperature sensor (21) is installed on the outlet pipe of Ice Storage Tank (10), first is communicated with arm (L1) is communicated with installation described pipeline temperature sensor (21) on water pipe between arm (L2) with second, pressure sensor (22), flow sensor (23), eg pump (09) is communicated with second installs described pipeline temperature sensor (21) on water pipe between arm (L2), pressure sensor (22), on the second water pipe that is communicated with between arm (L2) and plate type heat exchanger (11), described pipeline temperature sensor (21) is installed, described pipeline temperature sensor (21) is installed on the water pipe between base load refrigerating water pump (06) and water knockout drum (08), flow sensor (23), described liquid level sensor (24) is installed in Ice Storage Tank (10),
In the cold supply system of air-conditioning cold supply system, described pipeline temperature sensor (21) is installed on the water pipe between plate type heat exchanger (11) and Double-working-condition freezer unit (12), described pipeline temperature sensor (21) is installed on the water pipe between plate type heat exchanger (11) and water collector (07), described pressure sensor (22) is installed, the upper described environment temperature sensor (25) of installing of the load of user's side (13) on the water pipe between the load (13) of water knockout drum (08) and water collector (07) and user's side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220647327 CN203010847U (en) | 2012-11-29 | 2012-11-29 | Ice storage cold supply control system |
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CN 201220647327 CN203010847U (en) | 2012-11-29 | 2012-11-29 | Ice storage cold supply control system |
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CN 201220647327 Expired - Lifetime CN203010847U (en) | 2012-11-29 | 2012-11-29 | Ice storage cold supply control system |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103499136A (en) * | 2013-09-26 | 2014-01-08 | 中铁建设集团有限公司 | Ice storage control system with next-day energy consumption simulating function |
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 |
CN110486896A (en) * | 2019-07-25 | 2019-11-22 | 南京南瑞继保工程技术有限公司 | A kind of tandem air-conditioning system optimal control method based on water cooler energy consumption model |
CN110557930A (en) * | 2019-08-08 | 2019-12-10 | 世源科技工程有限公司 | data center cooling system and control method |
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 |
CN113494743A (en) * | 2020-03-20 | 2021-10-12 | 上海九瀚机电设备有限公司 | Energy-saving cold supply system for natural cooling cold accumulation |
CN113654591A (en) * | 2021-08-13 | 2021-11-16 | 杭州源牌科技股份有限公司 | Ice storage device operation monitoring system |
-
2012
- 2012-11-29 CN CN 201220647327 patent/CN203010847U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103499136A (en) * | 2013-09-26 | 2014-01-08 | 中铁建设集团有限公司 | Ice storage control system with next-day energy consumption simulating function |
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 |
CN110486896A (en) * | 2019-07-25 | 2019-11-22 | 南京南瑞继保工程技术有限公司 | A kind of tandem air-conditioning system optimal control method based on water cooler energy consumption model |
CN110557930A (en) * | 2019-08-08 | 2019-12-10 | 世源科技工程有限公司 | data center cooling system and control method |
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 |
CN113494743A (en) * | 2020-03-20 | 2021-10-12 | 上海九瀚机电设备有限公司 | Energy-saving cold supply system for natural cooling cold accumulation |
CN113654591A (en) * | 2021-08-13 | 2021-11-16 | 杭州源牌科技股份有限公司 | Ice storage device operation monitoring system |
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Granted publication date: 20130619 |