CN208859782U - A kind of accurate quick control device of air conditioning water pump of Energy Efficient Retrofit of Public Building - Google Patents
A kind of accurate quick control device of air conditioning water pump of Energy Efficient Retrofit of Public Building Download PDFInfo
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- CN208859782U CN208859782U CN201821375535.7U CN201821375535U CN208859782U CN 208859782 U CN208859782 U CN 208859782U CN 201821375535 U CN201821375535 U CN 201821375535U CN 208859782 U CN208859782 U CN 208859782U
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Abstract
The utility model is that a kind of air conditioning water of Energy Efficient Retrofit of Public Building pumps accurate quick control device, is the first driving parameter with the power parameter of air-conditioner host, proposes more Precise control mode.The power controller of air-conditioner host adjusts the variation of water pump frequency by gear output power parameter, system chilled water is delivered to user end by system loop, in the course of work, temperature sensor acquires the temperature parameter of each water collector branch, the difference of comparison water collector branch temperature and water outlet tube temperature respectively, the difference is for judging whether index circuit flow is too small, if a certain loop temperature difference is more than setting value, then water pump frequency increases, until the index circuit temperature difference is met the requirements, realize the energy-saving run to greatest extent under the conditions of meeting least favorable end comfort requirement.The utility model is arranged output power boundary condition by power controller and sets, and determines minimum operating power and highest operating power, boundary condition must be met in entire frequency-modulating process, realize the safeguard protection to host and water pump.
Description
Technical field
The utility model relates to air supply rate fields, more particularly, to a kind of air conditioning water of Energy Efficient Retrofit of Public Building
Pump accurate quick control device.
Background technique
Water pump (Pump) is, for increasing the pressure of liquid, to make liquid transport flow one is the machinery to do work to fluid.
In industrial production and daily life, water pump is used to convey clear water and other physics, chemical property are similar to the liquid of water,
Using relatively broad, as public waterworks, Air-conditioning Cycle Hydraulic Projects, boiler water supply, pressurized water supply, spraying system of fire fighting, irrigation,
The fields such as power station, industrial water supply system, shipping industry and petroleum refining industry.
Air-conditioning is the first object of Energy Efficient Retrofit of Public Building, and air conditioner energy saving essentially consists in the control of air-conditioner water system.It is empty
The current technology of the chilled water pump of water transfer system mainly uses frequency control to realize energy conservation, and there are two types of common control modes, respectively
For temperature difference control and pressure difference control.Temperature difference control refers to that use supplies, the temperature difference of return water main pipe is as controller signals, with setting
Supply backwater temperature difference is compared, and in the range of making the temperature difference be maintained at the setting temperature difference, being adjusted by frequency control makes turning for water pump
Speed changes, to achieve the purpose that change flow；Pressure difference control refers to using the pressure difference in somewhere in chilled water system as control
Device signal processed is compared with the pressure difference value or range of setting, to guarantee pressure difference in the range (value) of setting, by changing water
The revolving speed of pump, to change flow.There are biggish retardance, partial branch for the signal transduction process of above two control mode
Supply conditions satisfaction property is poor, and is easier to the problems such as inaccuracy of control is caused by extraneous interference.
Utility model content
The utility model is to overcome above situation insufficient, it is desirable to provide a kind of to control pump variable frequency with main engine power signal
The technical solution to solve the above problems.
A kind of accurate quick control device of air conditioning water pump of Energy Efficient Retrofit of Public Building, including air-conditioner host, connection
Pipeline, flow gauge, signal wire, frequency converter, system chilled water pump and outlet pipe, water segregator, water segregator branch, Yong Humo
End, water collector branch, water collector, return pipe are equipped with temperature sensor, power controller, condensation dress in the air-conditioner host
It sets, and is equipped with condensation water tank in the condensing unit in air-conditioner host, the condensation water tank is freezed by connecting pipe and system
The input terminal of water pump connects, and flow gauge is equipped in connecting pipe, and the flow gauge, power controller pass through
Signal wire is connect with the frequency converter at the power source for being located at system chilled water pump, and the output end of the system chilled water pump is equipped with
Outlet pipe, the outlet pipe, water segregator, water segregator branch, user end, water collector branch, water collector, return pipe successively pipeline
Connection, the water collector branch road are provided with branch temperature-detecting device, and leaving water temperature detection dress is provided on the outlet pipe
It sets, the branch temperature-detecting device and outlet water temperature detecting device are connect with temperature sensor data, the power controller
With power regulation functions.
As a further solution of the present invention: it includes multiple groups that the air conditioning water, which pumps accurate quick control device,
Air-conditioner host.
As a further solution of the present invention: the branch of the water segregator branch and water collector branch is multiple and number
It measures identical.
As a further solution of the present invention: the output power of the power controller is provided with operating power area
Between, including minimum operating power and highest operating power.
As a further solution of the present invention: the output power of the power controller is set as multi gear, gear
Set value of the power is in operating power section.
As a further solution of the present invention: the output power of the power controller is set as 4 grades, gear function
Rate setting value is evenly distributed in operating power section.
As a further solution of the present invention: the frequency converter at the system chilled water pump power source is equipped with control
Simulator.
As a further solution of the present invention: the capacity of the condensation water tank is 300ml.
Compared with prior art, the utility model has the beneficial effects that
The utility model proposes more Precise control mode by air-conditioner host power, main engine power signal intensity, with
Water pump frequency change.If load becomes smaller, air-conditioner host unloading a part, power controller is by power decreasing, and water pump is frequently
Rate then declines, and flow is to reduce.
The utility model is arranged output power boundary condition by power controller and sets, and determines minimum operating power and most
High operating power must meet boundary condition in entire frequency-modulating process, realize the safeguard protection to host and water pump.
The utility model, the user end for realizing all water collector branches are attained by minimum job requirement.Detection is each
Water collector branch temperature and supply water temperature size of the difference are as judging whether index circuit flow is too small, if the temperature difference is more than one
Definite value, then water pump frequency upshift increases, until the index circuit temperature difference is met the requirements.It realizes and comfortably wants meeting least favorable end
Energy-saving run to greatest extent under the conditions of asking.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model structure diagram.
Fig. 2 is the control schematic diagram of the utility model.
In figure: air-conditioner host 1, power controller 2, temperature sensor 3, condensing unit 4, connecting pipe 5, flow gauge
6, signal wire 7, frequency converter 8, system chilled water pump 9 and outlet pipe 10.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of air conditioning water of Energy Efficient Retrofit of Public Building pumps essence
Temperature sensor 3, power controller 2, condensation are installed in quasi- quick control device, including air-conditioner host 1, the air-conditioner host
Device 4, connecting pipe 5, flow gauge 6, signal wire 7, frequency converter 8, system chilled water pump 9 and outlet pipe 10, divide water segregator
Hydrophone branch, user end, water collector branch, water collector, return pipe, and condensation is equipped in the condensing unit in air-conditioner host
Water tank, the condensation water tank is connect by connecting pipe with the input terminal of system chilled water pump, and is equipped in connecting pipe
Flow gauge, the flow gauge, power controller pass through signal wire and are located at the power source of system chilled water pump
Frequency converter connection, the output end of the system chilled water pump are equipped with outlet pipe, the outlet pipe, water segregator, water segregator branch,
Successively pipeline connects for user end, water collector branch, water collector, return pipe, and the water collector branch road is provided with branch temperature
Detection device is provided with outlet water temperature detecting device, the branch temperature-detecting device and leaving water temperature inspection on the outlet pipe
It surveys device to connect with temperature sensor data, the power controller has power regulation functions.
It includes multiple groups air-conditioner host 1 that the air conditioning water, which pumps accurate quick control device,.
The output power of the power controller is provided with operating power section, including minimum operating power and highest work
Power.
The output power of the power controller is set as multi gear, and notch power setting value is in operating power section
It is interior.
The output power of the power controller is set as 4 grades, notch power be respectively operating power section 25%,
50%, 75%, 100%.
Frequency converter at the system chilled water pump power source is equipped with control simulator.
The capacity of the condensation water tank is 300ml.
It include blower motor, compressor and host electric-controlled parts in the air-conditioner host.
The working principle of the utility model is:
The utility model is the first driving parameter with the power parameter of air-conditioner host, and the power controller of air-conditioner host passes through
Gear output power parameter adjusts the variation of water pump frequency, and system chilled water is delivered to user end by system loop, worked
Cheng Zhong, temperature sensor acquire in real time water collector branch each branch temperature parameter (M1, M2, M3, M4 ..., Mn) and outlet pipe
Temperature parameter (M0), respectively compare M1, M2, M3, M4 ..., Mn and M0 temperature parameter difference, the difference for judge most
Whether unfavorable loop traffic is too small, if a certain loop temperature difference is more than setting value, the power parameter of air-conditioner host increases, water pump
Frequency increases, until the index circuit temperature difference is met the requirements, realizes maximum under the conditions of meeting least favorable end comfort requirement
Limit energy-saving run.
The utility model is arranged output power boundary condition by power controller and sets, and determines minimum operating power and most
High operating power must meet boundary condition in entire frequency-modulating process, realize the safeguard protection to host and water pump.
The output power of air-conditioner host power controller is set as 4 grades, and notch power is respectively operating power section
25%, 50%, 75%, 100%.
Air-conditioner host is multiple groups, and the output power of the power controller of each host is set as 4 grades, each power controller
It can be at different stalls state when work, to realize that air-conditioner host continuous power output changes.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (7)
1. a kind of air conditioning water of Energy Efficient Retrofit of Public Building pumps accurate quick control device, including air-conditioner host, connecting tube
Road, flow gauge, signal wire, frequency converter, system chilled water pump and outlet pipe, water segregator, water segregator branch, user end,
Water collector branch, water collector, return pipe, which is characterized in that temperature sensor, power control are installed in the air-conditioner host
Device, condensing unit, and in the condensing unit in air-conditioner host be equipped with condensation water tank, the condensation water tank by connecting pipe with
The input terminal of system chilled water pump connects, and flow gauge is equipped in connecting pipe, the flow gauge, power control
Device passes through signal wire and connect with the frequency converter at the power source for being located at system chilled water pump, the output of the system chilled water pump
End is equipped with outlet pipe, the outlet pipe, water segregator, water segregator branch, user end, water collector branch, water collector, return pipe
Successively pipeline connects, and the water collector branch road is provided with branch temperature-detecting device, is provided with out water temperature on the outlet pipe
Detection device is spent, the branch temperature-detecting device and outlet water temperature detecting device are connect with temperature sensor data, the function
Rate controller has power regulation functions.
2. air conditioning water according to claim 1 pumps accurate quick control device, which is characterized in that the air-conditioning freezing
The accurate quick control device of water pump includes multiple groups air-conditioner host.
3. air conditioning water according to claim 1 or 2 pumps accurate quick control device, which is characterized in that the power
The output power of controller is provided with operating power section, including minimum operating power and highest operating power.
4. air conditioning water according to claim 1 or 2 pumps accurate quick control device, which is characterized in that the power
The output power of controller is set as multi gear, and notch power setting value is in operating power section.
5. air conditioning water according to claim 4 pumps accurate quick control device, which is characterized in that the power control
The output power of device is set as 4 grades, and notch power setting value is evenly distributed in operating power section.
6. air conditioning water according to claim 1 or 2 pumps accurate quick control device, which is characterized in that the system
Frequency converter at chilled water pump power source is equipped with control simulator.
7. air conditioning water according to claim 1 or 2 pumps accurate quick control device, which is characterized in that the condensation
The capacity of water tank is 300ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821375535.7U CN208859782U (en) | 2018-08-24 | 2018-08-24 | A kind of accurate quick control device of air conditioning water pump of Energy Efficient Retrofit of Public Building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821375535.7U CN208859782U (en) | 2018-08-24 | 2018-08-24 | A kind of accurate quick control device of air conditioning water pump of Energy Efficient Retrofit of Public Building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208859782U true CN208859782U (en) | 2019-05-14 |
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ID=66415622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821375535.7U Active CN208859782U (en) | 2018-08-24 | 2018-08-24 | A kind of accurate quick control device of air conditioning water pump of Energy Efficient Retrofit of Public Building |
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| CN (1) | CN208859782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254237A (en) * | 2020-09-21 | 2021-01-22 | 无锡混沌能源技术有限公司 | Air conditioner circulating water system pressure difference control system |
| CN115928703A (en) * | 2023-02-14 | 2023-04-07 | 四川省建筑科学研究院有限公司 | Partial freezing transformation method for near-water structural slab |
-
2018
- 2018-08-24 CN CN201821375535.7U patent/CN208859782U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254237A (en) * | 2020-09-21 | 2021-01-22 | 无锡混沌能源技术有限公司 | Air conditioner circulating water system pressure difference control system |
| CN115928703A (en) * | 2023-02-14 | 2023-04-07 | 四川省建筑科学研究院有限公司 | Partial freezing transformation method for near-water structural slab |
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Address after: A section of Chengdu city Jinniu District 610000 North Road No. 55 in Sichuan Province Patentee after: Sichuan Academy of Architectural Sciences Co., Ltd. Address before: A section of Chengdu city Jinniu District 610000 North Road No. 55 in Sichuan Province Patentee before: Research Inst. of Architectonics, Sichuan Prov. |