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CN205935067U - Double mode constant pressure water supply system - Google Patents

Double mode constant pressure water supply system Download PDF

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Publication number
CN205935067U
CN205935067U CN201620596672.8U CN201620596672U CN205935067U CN 205935067 U CN205935067 U CN 205935067U CN 201620596672 U CN201620596672 U CN 201620596672U CN 205935067 U CN205935067 U CN 205935067U
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China
Prior art keywords
module
converter
pressure
water supply
supply system
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Active
Application number
CN201620596672.8U
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Chinese (zh)
Inventor
邓永斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Leo Environment Technology Co ltd
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Leo Group Zhejiang Pump Co Ltd
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Priority to CN201620596672.8U priority Critical patent/CN205935067U/en
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  • Control Of Fluid Pressure (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)

Abstract

The utility model provides a double mode constant pressure water supply system, include: pressure sampling processing module, preset module, data are module, judge module, a operation module, the 2nd operation module, converter and water pump relatively, data relatively module are connected with pressure sampling processing module, preset module and determination module, a operation module, the 2nd operation module all are connected with determination module, converter, and the converter is connected with the water pump. The utility model provides a double mode constant pressure water supply system, processing module carries out the real -time sampling to a water pressure through the pressure sampling to it is poor that the number of pass is done sampled value and target pressure value according to module relatively, carries out the comparison with difference and pressure deviation range value, and last pass verdict module choice operation module makes win operation module or the operation frequency of the 2nd operation module through controlling the converter, comes adjusting water pump's rotational speed, with the purpose that reaches constant pressure.

Description

Double mode constant pressure water supply system
Technical field
This utility model is related to automation field, more particularly, to a kind of double mode constant pressure water supply system.
Background technology
With the raising of living standards of the people, and everybody attention further to water safety, the city of frequency-conversion water supply system Field application is more and more universal.User's water consumption is usually dynamic, and therefore insufficient water or the superfluous situation that supplies water happen occasionally. And the uneven concentrated reflection between using water and supplying water is on the pressure supplying water, that is, many and supply water few with water, then pressure is low;Use water Supply water many less, then pressure is big.Keep the constant of pressure of supply water, water supply can be made and with keeping between water balancing, that is, with water many when Supplying water also many, supplying water during with water less also few, thus improve the quality of water supply.
Constant pressure water supply system is very important for user.When productive life supplies water, if tap water supply is pressed for some reason Power is not enough or cuts off the water supply in short-term, may affect quality of life, can affect living safety when serious, when such as there is fire, if supplying hydraulic pressure Power is not enough or or no water supply it is impossible to rapid put out a fire, heavy economic lossess and casualties may be caused.
In order to reach the purpose of constant pressure water supply, substantially use PID (Proportion at present Integration Differentiation, abbreviation PID) computing mode, but supply equipment is in actual applications, due to Change water condition more, under single PID arithmetic mode, overshoot easily occurs, the problems such as speed governing is slow, speed governing is shaken.
Utility model content
This utility model provides a kind of double mode constant pressure water supply system, in order to solve single-mode computing side in prior art It is slow and the problems such as speed governing is shaken that overshoot, speed governing easily in formula.
This utility model provides a kind of double mode constant pressure water supply system, including:Force samples processing module, presetting module, Data comparison module, judge module, the first computing module, the second computing module, converter and water pump;Data comparison module and pressure Power sampling processing module, presetting module and determination module connect;First computing module, the second computing module all with determination module, Converter connects, and converter is connected with water pump;
Wherein, force samples processing module is used for supply equipment discharge pressure is carried out real-time sampling, and adopting acquisition Sample value sends data comparison module to;
Presetting module is used for arranging target pressure value and pressure divergence value range, and its value is sent to data compares mould Block;
Data comparison module is used for calculating the difference of sampled value and target pressure value, and by described difference and pressure divergence model Enclose value to be compared, and comparative result is sent to judge module;
Determination module, for according to result of determination Selecting operation module, wherein, if it is determined that described difference is in pressure divergence model Enclose in value, then trigger the first computing module, otherwise, trigger the second computing module;
First computing module, for the operating frequency using PID closed loop control converter;
Second computing module, for the operating frequency using FUZZY closed loop control converter;
Converter, for exporting operating frequency to adjust the Rotational Speed of Asynchronous Motor in water pump.
Further, force samples processing module includes pressure transducer.
Further, presetting module is additionally operable to arrange ratio, integration and the differential value of PID regulation parameter.
Further, converter includes Programmable Logic Controller.
Further, at least two, water pump.
The double mode constant pressure water supply system that this utility model provides, is carried out to discharge pressure by force samples processing module Real-time sampling, and by data comparison module, sampled value is made the difference with target pressure value, difference is entered with pressure divergence value range Row compares, finally by determination module Selecting operation module so that the first computing module or the second computing module are become by control The operating frequency of frequency device, to adjust the rotating speed of water pump, to reach the purpose of constant pressure.
Brief description
Hereinafter will be based on embodiment and refer to the attached drawing is being described in more detail to this utility model.Wherein:
Fig. 1 is the structural representation of the double mode constant pressure water supply system according to this utility model embodiment one.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment one
Fig. 1 is the structural representation of the double mode constant pressure water supply system according to this utility model embodiment one;As Fig. 1 institute Show, the present embodiment provides a kind of double mode constant pressure water supply system, including:Force samples processing module, presetting module, data compare Module, judge module, the first computing module, the second computing module, converter and water pump;At data comparison module and force samples Reason module, presetting module and determination module connect;First computing module, the second computing module are all with determination module, converter even Connect, converter is connected with water pump;Wherein, force samples processing module is used for carrying out real-time sampling to supply equipment discharge pressure, And the sampled value of acquisition is sent to data comparison module;Presetting module is used for arranging target pressure value and pressure divergence scope Value, and its value is sent to data comparison module;Data comparison module is used for calculating the difference of sampled value and target pressure value, and Described difference is compared with pressure divergence value range, and comparative result is sent to judge module;Determination module, for root According to result of determination Selecting operation module, wherein, if it is determined that described difference is in pressure divergence value range, then trigger the first computing mould Block, otherwise, triggers the second computing module;First computing module, for the operating frequency using PID closed loop control converter;The Two computing modules, for the operating frequency using FUZZY closed loop control converter;Converter, for exporting operating frequency to adjust Rotational Speed of Asynchronous Motor in water saving pump.
Specifically, obtain the real time data of supply equipment discharge pressure, i.e. sampled value by force samples processing module, lead to Cross presetting module set target pressure value and pressure divergence value range;By data comparison module by sampled value and default target Pressure value carries out mathematic interpolation, and the difference being obtained is compared with default pressure divergence value range, by comparative result It is sent to determination module to be judged, if it is determined that described difference is in pressure divergence value range, then trigger the first computing module, no Then, trigger the second computing module, that is, difference in default pressure divergence value range, using the fortune of PID closed loop control converter Turn frequency, otherwise, then utilize the operating frequency of FUZZY closed loop control converter.
Finally output is executed by converter, adjust pump rotary speed, specially:Converter receives the first computing module or second The Setting signal of computing module, controls rate-adaptive pacemaker, adjusts the rotating speed of water pump, thus reaching the purpose of constant pressure.
Further, force samples processing module includes pressure transducer.
Further, presetting module is additionally operable to arrange ratio, integration and the differential value of PID regulation parameter.
Further, converter includes Programmable Logic Controller.
Further, at least two, water pump.
Although being described to this utility model by reference to preferred embodiment, without departing from model of the present utility model In the case of enclosing, it can be carried out with various improvement and part therein can be replaced with equivalent.Especially, as long as not depositing The every technical characteristic being previously mentioned in structural hazard, each embodiment all can combine in any way.This utility model It is not limited to specific embodiment disclosed herein, but include all technical schemes falling within the scope of the appended claims.

Claims (5)

1. a kind of double mode constant pressure water supply system is it is characterised in that include:Force samples processing module, presetting module, data ratio Compared with module, judge module, the first computing module, the second computing module, converter and water pump;Data comparison module and force samples Processing module, presetting module and determination module connect;First computing module, the second computing module all with determination module, converter Connect, converter is connected with water pump;
Wherein, force samples processing module is used for supply equipment discharge pressure is carried out real-time sampling, and the sampled value that will obtain Send data comparison module to;
Presetting module is used for arranging target pressure value and pressure divergence value range, and its value is sent to data comparison module;
Data comparison module is used for calculating the difference of sampled value and target pressure value, and by described difference and pressure divergence value range It is compared, and comparative result is sent to judge module;
Determination module, for according to result of determination Selecting operation module, wherein, if it is determined that described difference is in pressure divergence value range Interior, then trigger the first computing module, otherwise, trigger the second computing module;
First computing module, for the operating frequency using PID closed loop control converter;
Second computing module, for the operating frequency using FUZZY closed loop control converter;
Converter, for exporting operating frequency to adjust the Rotational Speed of Asynchronous Motor in water pump.
2. double mode constant pressure water supply system according to claim 1 is it is characterised in that force samples processing module includes pressing Force transducer.
3. double mode constant pressure water supply system according to claim 1 is it is characterised in that presetting module is additionally operable to arrange PID The ratio of regulation parameter, integration and differential value.
4. double mode constant pressure water supply system according to claim 1 is it is characterised in that converter includes PLC technology Device.
5. double mode constant pressure water supply system according to claim 1 is it is characterised in that water pump is at least two.
CN201620596672.8U 2016-06-15 2016-06-15 Double mode constant pressure water supply system Active CN205935067U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620596672.8U CN205935067U (en) 2016-06-15 2016-06-15 Double mode constant pressure water supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620596672.8U CN205935067U (en) 2016-06-15 2016-06-15 Double mode constant pressure water supply system

Publications (1)

Publication Number Publication Date
CN205935067U true CN205935067U (en) 2017-02-08

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108978795A (en) * 2018-07-25 2018-12-11 宜宾金石新材料科技有限公司 A kind of graphitizing furnace furnace end electrode constant pressure water supply system
CN112748658A (en) * 2021-01-07 2021-05-04 上海辛格林纳新时达电机有限公司 Constant-pressure water supply method and device, electronic equipment and storage medium
CN113464444A (en) * 2021-08-20 2021-10-01 长沙佳能通用泵业有限公司 Multi-runner guide vane type middle-open multi-stage centrifugal pump
CN118482000A (en) * 2024-05-27 2024-08-13 浙江富水智慧水务有限公司 Parameter self-setting constant-pressure water supply control method based on pressure fluctuation rate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108978795A (en) * 2018-07-25 2018-12-11 宜宾金石新材料科技有限公司 A kind of graphitizing furnace furnace end electrode constant pressure water supply system
CN112748658A (en) * 2021-01-07 2021-05-04 上海辛格林纳新时达电机有限公司 Constant-pressure water supply method and device, electronic equipment and storage medium
CN113464444A (en) * 2021-08-20 2021-10-01 长沙佳能通用泵业有限公司 Multi-runner guide vane type middle-open multi-stage centrifugal pump
CN118482000A (en) * 2024-05-27 2024-08-13 浙江富水智慧水务有限公司 Parameter self-setting constant-pressure water supply control method based on pressure fluctuation rate

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20170328

Address after: 317500 Industrial Park, Zhejiang, Wenling

Patentee after: ZHEJIANG LEO ENVIRONMENT TECHNOLOGY CO.,LTD.

Address before: Wenling City, the Eastern Industrial Agglomeration in Zhejiang province Taizhou city 317500 District Third Street No. 1

Patentee before: LEO GROUP PUMP (ZHEJIANG) Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220125

Address after: 317500 Zhejiang Taizhou Wenling East Industrial Agglomeration Area No. 1 Street No. 3

Patentee after: LEO GROUP PUMP (ZHEJIANG) Co.,Ltd.

Address before: 317500 No.1 Road, Wenling Industrial Park, Zhejiang Province

Patentee before: ZHEJIANG LEO ENVIRONMENT TECHNOLOGY CO.,LTD.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220824

Address after: 317500 No.2, 4th Street, East New District, Wenling City, Taizhou City, Zhejiang Province

Patentee after: Zhejiang Leo Water Technology Co.,Ltd.

Address before: 317500 Zhejiang Taizhou Wenling East Industrial Agglomeration Area No. 1 Street No. 3

Patentee before: LEO GROUP PUMP (ZHEJIANG) Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230828

Address after: 317500 Zhejiang Taizhou Wenling East Industrial Agglomeration Area No. 1 Street No. 3

Patentee after: ZHEJIANG LEO ENVIRONMENT TECHNOLOGY CO.,LTD.

Address before: 317500 No.2, 4th Street, East New District, Wenling City, Taizhou City, Zhejiang Province

Patentee before: Zhejiang Leo Water Technology Co.,Ltd.

TR01 Transfer of patent right