CN203514400U - Constant-pressure variable frequency water supply control system - Google Patents
Constant-pressure variable frequency water supply control system Download PDFInfo
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- CN203514400U CN203514400U CN201320509805.XU CN201320509805U CN203514400U CN 203514400 U CN203514400 U CN 203514400U CN 201320509805 U CN201320509805 U CN 201320509805U CN 203514400 U CN203514400 U CN 203514400U
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- Prior art keywords
- pressure sensor
- pressure
- water supply
- controller
- control loop
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Control Of Positive-Displacement Pumps (AREA)
- Control Of Fluid Pressure (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a constant-pressure variable frequency water supply control system which solves the problems that due to the fact that an existing constant-pressure variable frequency water supply control system in the prior art cannot guarantee in-time water supply, the water-supply pressure is instable, and inconvenience is brought for a user are solved. The constant-pressure variable frequency water supply control system comprises a controller. The controller is respectively connected with a manual control circuit, a main electrical circuit and an automatic control circuit. The manual control circuit, the main electrical circuit and the automatic control circuit are respectively connected with a water pump. The controller controls the water pump through the manual control circuit or the main electrical circuit or the automatic control circuit. The controller is further connected with a first pressure sensor, a second pressure sensor and a municipal pressure sensor. According to the constant-pressure variable frequency water supply control system, continuous water supply can be achieved, data analysis is conducted through two sensors, pressure parameters are continuously corrected through comparison of two signals, and therefore the stability of the water supply pressure is kept.
Description
Technical field
The utility model relates to municipal water supply technical field, particularly a kind of constant pressure frequency conversion water management system.Constant pressure frequency conversion water management system of the present utility model can be realized uninterrupted water supply, and control mode is simple and guarantee that municipal ductwork pressure voltage drop value is less than 0.02MPa.
Background technology
Urban water supply is the important component part of urban infrastructure, and the development level of urban water supply is the important symbol of up-to-dateness, is also the important leverage of urban sustainable development.
Water system mainly adopts variable frequency water supply at present, and existing variable frequency water supply mainly contains two kinds of modes, and a kind of is from pool water-pumping, constant pressure water supply is to user, and another kind is non-negative pressure method of water supply mode, there is no pond, adopt steady-flow tank, in conjunction with without negative pressure technique, constant pressure water supply is to user.
The constant pressure frequency conversion water management system that constant pressure water supply is traditional, electric major loop and water pump control circuit are same circuit.The Chinese utility model patent that is " CN202248086U " as notice of authorization number discloses a kind of variable frequency water supply control system, and it comprises an inlet pipeline, is connected in the current stabilization equalizer of this inlet pipeline one end, a water pump group, an outlet pipeline and an intelligent variable frequency control system; Described water pump group one end is connected in this current stabilization equalizer, and the other end is connected in one end of this outlet pipeline; Described current stabilization equalizer is provided with a pressure sensor, and this pressure sensor is electrically connected at this intelligent variable frequency control system; The described outlet pipeline other end is used for connecting the user official website of fetching water, which is provided with a pressure sensor and a flow meter, this pressure sensor and this flow meter are electrically connected with this intelligence control system respectively, and this pressure sensor is located at by this flow meter and user fetches water between pipe network link; Described intelligent variable frequency control system is electrically connected at this water pump group.
Once existing constant voltage variable frequency control system major loop breaks down, automatically out of service, can not guarantee timely water supply.Traditional constant pressure frequency conversion water management system adopts single-sensor collection signal, often occurs that pressure fluctuates up and down, and pressure of supply water is unstable, to user, makes troubles.Traditional constant pressure frequency conversion water management system adopts complicated electronic instrument to municipal ductwork pressure pressurize, is easy to the situation that occurs that electronic instrument is malfunctioning, causes city planting ductwork voltage drop value too large, and impact is user's water around.In addition, traditional pressure feedback adopts a sensor, and after sensor damages, value of feedback and pressure actual value produce larger deviation, will cause the pressure even damage equipment of lacking of proper care.
Utility model content
The purpose of this utility model is to provide a kind of constant pressure frequency conversion water management system, to solve conversion of the prior art, electric major loop and water pump control circuit are same circuit, once major loop breaks down, automatically out of service, can not guarantee to supply water in time and traditional conversion employing single-sensor collection signal, often occur that pressure fluctuates up and down, pressure of supply water is unstable, the problem of making troubles to user.
For addressing the above problem, technical solution adopted in the utility model is:
A kind of constant pressure frequency conversion water management system, comprise controller, described controller joins with manual control loop, electric major loop, automatic control loop respectively, described manual control loop, described electric major loop, described automatic control loop are all connected with water pump, and described controller is controlled described water pump by described manual control loop or described electric major loop or described automatic control loop; Described controller also joins with pressure sensor one, pressure sensor two, municipal pressure sensor, and described controller receives the pressure signal of described pressure sensor one, described pressure sensor two, described municipal pressure sensor.
Preferably, at least two described water pumps are set, described in each, water pump independently arranges, and every described water pump is all connected with described manual control loop, described electric major loop, described automatic control loop.
As preferably, described automatic control loop is provided with frequency-variable controller.
As preferred version, the pressure sensor that described pressure sensor one, described pressure sensor two and described municipal pressure sensor are same model.
Preferably, described controller comprises intelligent trouble analysis institution.
Constant pressure frequency conversion water management system of the present utility model, electric major loop is independent, after system breaks down, selector switch is placed in to manual position, and system exits automatic control, can adopt manual control loop to complete control; Constant pressure frequency conversion water management system of the present utility model; adopt dual pressure sensor data analysis; contrast through two signals; continuous calibrating (base measuring) pressure parameter; keep pressure of supply water stable; in addition, microcomputer calculates relatively value of feedback, system-down produce alert event when fiducial value is greater than rated value.
Described pressure sensor one, described pressure sensor two and described municipal pressure sensor are identical pressure sensor, can reduce data error like this, increase the control accuracy of the utility model constant pressure frequency conversion water management system.
Described controller comprises intelligent trouble analysis institution, system Real-Time Monitoring service data and water pump state, and intelligent trouble analysis institution sends control signal by data analysis.This arranges the safety that has increased the utility model constant pressure frequency conversion water management system.
In addition, constant pressure frequency conversion water management system of the present utility model adopts Industrial Ethernet interface, and high speed communication, can realize remote real-time monitoring.By the Real-Time Monitoring to described municipal pressure sensor, control system can be controlled water pump low discharge operation frequently surely according to feedback pressure value, and to guarantee that municipal ductwork pressure voltage drop value is less than 0.02MPa, control mode is simple.
The beneficial effect of constant pressure frequency conversion water management system of the present utility model is: can realize uninterrupted water supply, pressure of supply water is stable, and control mode is simple, control accuracy is high, and guarantees that municipal ductwork pressure voltage drop value is less than 0.02MPa.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart of the utility model constant pressure frequency conversion water management system.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
As shown in Figure 1, a kind of constant pressure frequency conversion water management system, comprise controller, controller joins with manual control loop, electric major loop, automatic control loop respectively, manually control loop, electric major loop, automatic control loop are all connected with water pump, and controller is by manual control loop or electric major loop or automatic control loop control water pump.Automatic control loop is provided with frequency-variable controller, to realize variable frequency water supply.
Wherein water pump is at least two, and the quantity of water pump is set according to actual needs, and each water pump independently arranges, and every water pump all joins with manual control loop, electric major loop, automatic control loop.
In addition, controller comprises intelligent trouble analysis institution, system Real-Time Monitoring service data and water pump state, and intelligent trouble analysis institution sends control signal by data analysis.This arranges the safety that has increased the utility model constant pressure frequency conversion water management system.Constant pressure frequency conversion water management system of the present utility model adopts Industrial Ethernet interface, high speed communication, can realize remote real-time monitoring, control system can be controlled water pump low discharge operation frequently surely according to feedback pressure value, to guarantee that municipal ductwork pressure voltage drop value is less than 0.02MPa.
When this constant pressure frequency conversion water management system normally moves, controller is controlled water supply situation by electric major loop and automatic control loop; When automatic control is broken down, controller is controlled water supply situation by electric major loop and manual control loop.
Controller also joins with pressure sensor one, pressure sensor two, municipal pressure sensor, and controller receives the pressure signal of pressure sensor one, pressure sensor two, municipal pressure sensor.The pressure sensor that wherein pressure sensor one, pressure sensor two, municipal pressure sensor are same model, arranges like this and can reduce error, improves the control accuracy of the utility model constant pressure frequency conversion water management system.Adopt dual pressure sensor data analysis, through the contrast of two signals, constantly calibrating (base measuring) pressure parameter, keeps pressure of supply water stable, and in addition, microcomputer calculates and compares value of feedback, system-down produce alert event when fiducial value is greater than rated value.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a constant pressure frequency conversion water management system, comprise controller, it is characterized in that: described controller joins with manual control loop, electric major loop, automatic control loop respectively, described manual control loop, described electric major loop, described automatic control loop are all connected with water pump, and described controller is controlled described water pump by described manual control loop, described electric major loop or described automatic control loop; Described controller also joins with pressure sensor one, pressure sensor two, municipal pressure sensor, and described controller receives the pressure signal of described pressure sensor one, described pressure sensor two, described municipal pressure sensor.
2. constant pressure frequency conversion water management system as claimed in claim 1, it is characterized in that: at least two described water pumps are set, described in each, water pump independently arranges, and every described water pump is all connected with described manual control loop, described electric major loop, described automatic control loop.
3. constant pressure frequency conversion water management system as claimed in claim 1, is characterized in that: described automatic control loop is provided with frequency-variable controller.
4. constant pressure frequency conversion water management system as claimed in claim 1, is characterized in that: the pressure sensor that described pressure sensor one, described pressure sensor two and described municipal pressure sensor are same model.
5. constant pressure frequency conversion water management system as claimed in claim 1, is characterized in that: described controller comprises intelligent trouble analysis institution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509805.XU CN203514400U (en) | 2013-08-20 | 2013-08-20 | Constant-pressure variable frequency water supply control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509805.XU CN203514400U (en) | 2013-08-20 | 2013-08-20 | Constant-pressure variable frequency water supply control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203514400U true CN203514400U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320509805.XU Expired - Fee Related CN203514400U (en) | 2013-08-20 | 2013-08-20 | Constant-pressure variable frequency water supply control system |
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| Country | Link |
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| CN (1) | CN203514400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869249A (en) * | 2015-10-16 | 2017-06-20 | 格兰富管理联合股份公司 | Supercharging device |
-
2013
- 2013-08-20 CN CN201320509805.XU patent/CN203514400U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869249A (en) * | 2015-10-16 | 2017-06-20 | 格兰富管理联合股份公司 | Supercharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING TONGLI HUASHENG ENVIRONMENTAL PROTECTION W Free format text: FORMER NAME: BEIJING TONGLI HUASHENG ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: The 100070 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 room 512 (Park) Patentee after: BEIJING TONGLI HUASHENG ENVIRONMENTAL PROTECTION WATER SUPPLY SCIENCE & TECHNOLOGY CO., LTD. Address before: The 100070 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 room 403-1 Patentee before: Beijing Tongli Huasheng Environmental Protection Science and Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The 100070 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 room 512 (Park) Patentee after: Beijing Tiandi sun and moon environmental protection water supply Polytron Technologies Inc Address before: The 100070 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 room 512 (Park) Patentee before: BEIJING TONGLI HUASHENG ENVIRONMENTAL PROTECTION WATER SUPPLY SCIENCE & TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20190820 |