CN110160244A - A kind of balanced energy conservation control device based on central air-conditioning secondary pumping system - Google Patents
A kind of balanced energy conservation control device based on central air-conditioning secondary pumping system Download PDFInfo
- Publication number
- CN110160244A CN110160244A CN201910548270.9A CN201910548270A CN110160244A CN 110160244 A CN110160244 A CN 110160244A CN 201910548270 A CN201910548270 A CN 201910548270A CN 110160244 A CN110160244 A CN 110160244A
- Authority
- CN
- China
- Prior art keywords
- total water
- host
- bridge tube
- pumping system
- control unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
Abstract
The invention belongs to air-conditioning technical apparatus fields, specifically disclose a kind of balanced energy conservation control device based on central air-conditioning secondary pumping system, including host, total water collector, total water segregator, bridge tube；The input terminal of the host is connect with total water collector, and the output end of the host is connect with total water segregator, and primary pump is equipped between the host and total water collector；The output end of total water segregator is equipped with secondary pump, is connected with bridge tube between the output end of total water collector and the input terminal of total water segregator；The bridge tube is equipped with Energy Saving Control unit, and the both ends of the Energy Saving Control unit are equipped with a bypass pipe；By-passing valve is installed additional on the bypass pipe；This programme improves existing air-conditioning system, by installing secondary pumping system Energy Saving Control unit additional, while guaranteeing to meet refrigeration requirement, reduces the time that refrigeration host computer is in inefficient operating condition, improves refrigeration host computer efficiency.
Description
Technical field
The invention belongs to air-conditioning technical apparatus fields, and in particular to a kind of balance section based on central air-conditioning secondary pumping system
It can control device.
Background technique
The efficiency of air-conditioner host can all be reduced when load is too high and too low.However in previous central air conditioning system,
A host is opened if be frequently present of, main unit load is very high, and efficiency is lower；If opening two hosts, the load of two hosts is all
Very low, engine efficiency is still lower.In the actual use of the air-conditioning system containing secondary pumping system, the water pump of electrical secondary system is normal
It is often bigger than the pump capacity of primary system, freezing return water is commonly formed and flows through the mixed temperature phenomenon that bridge tube supplies water to freezing.Mixed temperature
Phenomenon increases the chilled water temperature for flowing to user, is not able to satisfy user's use demands.In order to solve this problem, air-conditioning system
It often to open host more, or the freezing leaving water temperature of host is turned down, to guarantee that the chilled water temperature after mixed temperature still meets user
Demand.Obviously, above situation all reduces the efficiency of host, and air-conditioning system entirety COP is not high.
Summary of the invention
Technical problem solved by the invention is to provide a kind of Energy Saving Control list based on central air-conditioning secondary pumping system
Member improves existing air-conditioning system, by installing secondary pumping system Energy Saving Control unit additional, is guaranteeing to meet refrigeration requirement
Meanwhile the time that refrigeration host computer is in inefficient operating condition is reduced, improve refrigeration host computer efficiency；Meeting existing the case where requiring
Under, improve the whole efficiency of air-conditioning system.
Technical problem solved by the invention is realized using following technical scheme: one kind being based on central air-conditioning secondary pump system
The balanced energy conservation control device of system, including host, total water collector, total water segregator, bridge tube；The input terminal of the host with always catchment
Device connection, the output end of the host are connect with total water segregator, and primary pump is equipped between the host and total water collector；It is described total
The output end of water segregator is equipped with secondary pump, is connected with bridge between the output end of total water collector and the input terminal of total water segregator
Pipe；The bridge tube is equipped with Energy Saving Control unit, and the both ends of the Energy Saving Control unit are equipped with a bypass pipe；The bypass pipe
Upper installation by-passing valve.
Further, the Energy Saving Control unit includes the cooling regulating valve being sequentially connected in series on bridge tube and cold source.
Further, the cold source is any one in ice bank and refrigeration machine.
The principle of the invention lies in:
It installs the cold sources such as ice bank or refrigeration machine additional on bridge tube, cools down if necessary to bridge tube recirculated water.Before cold source
Install cooling regulating valve additional.There are also bypass pipe on bridge tube, by-passing valve is installed additional on bypass pipe.Bypass pipe front end should connect to be adjusted in cooling
Before valve, by-pass line rear end should be connect after cold source.
When secondary pump discharge is greater than primary pump, the water (flow) direction in bridge tube is that freezing return water flow direction freezing is supplied water, in order to
Chilled water temperature after avoiding mixed temperature is too high, installs the cold sources such as ice bank or refrigeration machine additional on bridge tube, so that bridge tube coolant-temperature gage is reduced,
Freezing supply water temperature after guaranteeing mixed temperature is still sufficiently low.This process can guarantee that main unit load is constant, without turning down master
Machine leaving water temperature.
When user side load is not high, cooling regulating valve can be closed, by-passing valve is opened, to reduce the energy on bridge tube
Consumption.
It, can be cold by opening or closing cooling regulating valve and bridge tube when host is in load too high inefficient operating condition
The mode in source adjusts main unit load, to improve system whole efficiency.When a pump discharge is greater than secondary pump discharge, open other
Port valve, closes cooling regulating valve and cold source, present apparatus operating condition are equal to traditional bridge tube.
This programme has the beneficial effect that:
By installing Energy Saving Control unit additional on bridge tube, the freezing water supply after ensure that mixed temperature still meets user to be made this programme
With demand, without adjusting host.The load on host can also be adjusted flexibly in the present apparatus, to avoid host from being in as far as possible
Inefficient operating condition greatly promotes air-conditioning system whole energy efficiency.This programme can be not only used for new projects' installation, it can also be used to old system
Transformation.
Detailed description of the invention
Fig. 1 is a kind of balanced energy conservation controling device structure diagram based on central air-conditioning secondary pumping system of the present invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Appended drawing reference in Figure of description include: host 1, total water collector 2, total water segregator 3, once pump 4, secondary pump 5,
Bridge tube 6, bypass pipe 7, cold source 8, cooling regulating valve 9, by-passing valve 10.
Embodiment
As shown in Figure 1, a kind of balanced energy conservation control device based on central air-conditioning secondary pumping system, including host 1, Zong Ji
Hydrophone 2, total water segregator 3, bridge tube 6；The input terminal of the host 1 is connect with total water collector 2, the output end of the host 1 and total
Water segregator 3 connects, and primary pump 4 is equipped between the host 1 and total water collector 2；The output end of total water segregator 3 is equipped with secondary
Pump 5, is connected with bridge tube 6 between the output end of total water collector 2 and the input terminal of total water segregator 3；The bridge tube 6 is equipped with section
It can control unit, the both ends of the Energy Saving Control unit are equipped with a bypass pipe 7；Install by-passing valve 10 on the bypass pipe 7 additional.Section
Can control unit includes the cooling regulating valve 9 being sequentially connected in series on bridge tube 6 and cold source 8.Cold source 8 is ice bank.
When use:
4 flows are once pumped when 5 flow of secondary pump is greater than, causes a part freezing return water to be incorporated to by bridge tube 6 and freezes water supply,
Produce mixed warm phenomenon.In order to guarantee that the freezing supply water temperature after mixed temperature still meets user's use demands, opens cooling and adjust
Valve 9 opens ice bank and cools down to the water of bridge tube 6 to appropriate aperture.To reduce the 6 water water temperature of bridge tube when mixed water, Ji Ke
Satisfaction freezing water supply water temperature requires under conditions of not increasing by 1 energy consumption of host.
When host 1 is in inefficient operating condition, the aperture of adjustable cooling regulating valve 9 changes the cooling capacity supply of ice bank, from
And the cooling capacity load of host 1 is adjusted, restore host 1 to efficient operating condition.
When user's cooling capacity load is not high, freezing return water is directly mixed in freezing water supply without cooling and is also able to satisfy user's need
It asks, opens by-passing valve 10 at this time, close cooling regulating valve 9.When a pump side flow is greater than secondary pump effluent amount, bypass is opened
Valve 10 closes cooling regulating valve 9.
When 1 off-capacity of host is to meet load side demand, the cold source 8 on pipeline can star, to improve system
Whole cooling capacity supply.In practical applications, the aperture for reasonably selecting by-passing valve 10 and the regulating valve 9 that cools down, can be utmostly
Raising system whole efficiency.
For this programme by installing Energy Saving Control unit additional on bridge tube 6, the freezing water supply after ensure that mixed temperature still meets user
Use demand, without adjusting host 1.The load on host 1 can also be adjusted flexibly in the present apparatus, to avoid host as far as possible
1 is in inefficient operating condition, greatly promotes air-conditioning system whole energy efficiency.This programme can be not only used for new projects' installation, it can also be used to
The old system reform.
Basic principles and main features and advantages of the present invention of the invention, the technology of the industry has been shown and described above
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. a kind of balanced energy conservation control device based on central air-conditioning secondary pumping system, which is characterized in that including host, always catchment
Device, total water segregator, bridge tube；The input terminal of the host is connect with total water collector, and the output end of the host and total water segregator connect
It connects, primary pump is equipped between the host and total water collector；The output end of total water segregator is equipped with secondary pump, described always to catchment
Bridge tube is connected between the output end of device and the input terminal of total water segregator；The bridge tube is equipped with Energy Saving Control unit, the section
The both ends that can control unit are equipped with a bypass pipe；By-passing valve is installed additional on the bypass pipe.
2. a kind of balanced energy conservation control device based on central air-conditioning secondary pumping system according to claim 1, feature
Be: the Energy Saving Control unit includes the cooling regulating valve being sequentially connected in series on bridge tube and cold source.
3. a kind of balanced energy conservation control device based on central air-conditioning secondary pumping system according to claim 2, feature
Be: the cold source is any one in ice bank and refrigeration machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548270.9A CN110160244A (en) | 2019-06-24 | 2019-06-24 | A kind of balanced energy conservation control device based on central air-conditioning secondary pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548270.9A CN110160244A (en) | 2019-06-24 | 2019-06-24 | A kind of balanced energy conservation control device based on central air-conditioning secondary pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110160244A true CN110160244A (en) | 2019-08-23 |
Family
ID=67626597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910548270.9A Pending CN110160244A (en) | 2019-06-24 | 2019-06-24 | A kind of balanced energy conservation control device based on central air-conditioning secondary pumping system |
Country Status (1)
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| CN (1) | CN110160244A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303770A (en) * | 2020-11-17 | 2021-02-02 | 深圳市柏涛蓝森国际建筑设计有限公司 | Central air-conditioning water system based on secondary pump and control method |
| CN115355580A (en) * | 2022-08-16 | 2022-11-18 | 浙江大冲能源科技股份有限公司 | Cold storage system for balance pipe of secondary pump of central air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6000228A (en) * | 1997-12-23 | 1999-12-14 | Morris & Associates | Clear ice and water saver cycle for ice making machines |
| CN1563814A (en) * | 2004-03-16 | 2005-01-12 | 杭州华电华源环境工程有限公司 | Ice storage air conditioning system cmbined with internally and externally melting ice |
| CN103383121A (en) * | 2012-05-03 | 2013-11-06 | 南京市建筑设计研究院有限责任公司 | District air-conditioner distributed secondary pump system |
| CN103900183A (en) * | 2014-04-17 | 2014-07-02 | 重庆大学 | Multi-energy complementation combined type heat pump air conditioner system for data machine room |
| CN206695276U (en) * | 2017-03-21 | 2017-12-01 | 奥意建筑工程设计有限公司 | A kind of pressure difference by-pass governing device with Storage Unit |
| CN210118932U (en) * | 2019-06-24 | 2020-02-28 | 浙江大冲能源科技有限公司 | Balance energy-saving control device based on central air-conditioning secondary pump system |
-
2019
- 2019-06-24 CN CN201910548270.9A patent/CN110160244A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6000228A (en) * | 1997-12-23 | 1999-12-14 | Morris & Associates | Clear ice and water saver cycle for ice making machines |
| CN1563814A (en) * | 2004-03-16 | 2005-01-12 | 杭州华电华源环境工程有限公司 | Ice storage air conditioning system cmbined with internally and externally melting ice |
| CN103383121A (en) * | 2012-05-03 | 2013-11-06 | 南京市建筑设计研究院有限责任公司 | District air-conditioner distributed secondary pump system |
| CN103900183A (en) * | 2014-04-17 | 2014-07-02 | 重庆大学 | Multi-energy complementation combined type heat pump air conditioner system for data machine room |
| CN206695276U (en) * | 2017-03-21 | 2017-12-01 | 奥意建筑工程设计有限公司 | A kind of pressure difference by-pass governing device with Storage Unit |
| CN210118932U (en) * | 2019-06-24 | 2020-02-28 | 浙江大冲能源科技有限公司 | Balance energy-saving control device based on central air-conditioning secondary pump system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303770A (en) * | 2020-11-17 | 2021-02-02 | 深圳市柏涛蓝森国际建筑设计有限公司 | Central air-conditioning water system based on secondary pump and control method |
| CN115355580A (en) * | 2022-08-16 | 2022-11-18 | 浙江大冲能源科技股份有限公司 | Cold storage system for balance pipe of secondary pump of central air conditioner |
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