CN207760924U - Constant pressure water supply system based on PLC controls - Google Patents
Constant pressure water supply system based on PLC controls Download PDFInfo
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- CN207760924U CN207760924U CN201721691448.8U CN201721691448U CN207760924U CN 207760924 U CN207760924 U CN 207760924U CN 201721691448 U CN201721691448 U CN 201721691448U CN 207760924 U CN207760924 U CN 207760924U
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- deputy tank
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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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Abstract
The utility model is related to a kind of constant pressure water supply systems based on PLC controls, belong to municipal water supply technical field, it provides a kind of simple in structure, it is easy to use, it is carried out automatically controlling using PLC, effectively reduce the constant pressure water supply system based on PLC controls of energy consumption, used technical solution is respectively provided with water level sensor for the lower part of high pressure main water box and high pressure deputy tank, the bottom of high pressure main water box and high pressure deputy tank is connected with water main, water pressure sensor is installed on water main, the top of high pressure main water box and high pressure deputy tank is connected with high pressure gas holder, baroceptor is installed on high pressure gas holder, high pressure main water box and high pressure deputy tank are connected by water inlet pipe with high-pressure hydraulic pump respectively；The utility model is widely used in constant pressure water supply.
Description
Technical field
The utility model is related to a kind of constant pressure water supply systems based on PLC controls, belong to municipal water supply technical field.
Background technology
Traditional way of supplying water is mostly to pressurize to supply water, and generally uses underground pressurized equipment and high water tank, or directly use
Underground pressurized equipment water rationing, since high water tank cannot be completely isolated with outside air, dust and other impurities are easily accessible, and are made
It obtains water to be easily contaminated, when using water rationing, since the pressure in frequency-changing pressure stabilizing watering mode user's pipe network is protected by pumping
It holds, causes water pump to work long hours in this way, cause the hydraulic pressure to supply water unstable, and power consumption is higher, supply equipment is easily sent out
Raw failure, it is troublesome in poeration.
Utility model content
To solve technical problem of the existing technology, the utility model provide it is a kind of simple in structure, it is easy to use, adopt
It is carried out automatically controlling with PLC, effectively reduces the constant pressure water supply system based on PLC controls of energy consumption.
To achieve the above object, technical solution used by the utility model is the constant pressure water supply system controlled based on PLC,
Including high pressure main water box and high pressure deputy tank, the lower part of the high pressure main water box and high pressure deputy tank is respectively provided with water level sensor,
The bottom of the high pressure main water box and high pressure deputy tank is connected by water supply pipe with water main, on the water main
Water pressure sensor is installed, main water box is separately installed on the water supply pipe of the high pressure main water box and high pressure deputy tank bottom
The top of drain control valve and deputy tank drain control valve, the high pressure main water box and high pressure deputy tank passes through blowdown pipe and height
Tank of calming the anger is connected, and is equipped with baroceptor on the high pressure gas holder, at the top of the high pressure main water box and high pressure deputy tank
Main water box aeration valve and deputy tank aeration valve are separately installed on blowdown pipe, the high pressure main water box and high pressure deputy tank are led to respectively
It crosses water inlet pipe with high-pressure hydraulic pump to be connected, check valve is separately installed on the water inlet pipe of the high pressure main water box and high pressure deputy tank
And water inlet control valve, the water level sensor, water pressure sensor, main water box drain control valve, deputy tank drain control valve, gas
Pressure sensor, main water box aeration valve, deputy tank aeration valve are connected with the uniform PLC control system of water inlet control valve.
Preferably, it is also associated with high-pressure pump on the high pressure gas holder, is arranged between the high pressure gas holder and high-pressure pump
There are tonifying Qi check valve, the high-pressure pump to be connected with PLC control system.
Preferably, water tank cleaning device, the water tank cleaning are mounted in the high pressure main water box and high pressure deputy tank
Device is mainly made of water quality sensor, water distributor, sparge pipe, blending bin and dosing tank, and the water quality sensor is mounted on height
It presses inside main water box and high pressure deputy tank, the water distributor is mounted on the top of high pressure main water box and high pressure deputy tank by holder
Portion is connected with multiple sparge pipes on the water distributor, and the sparge pipe extends to the inside of high pressure main water box and high pressure deputy tank,
Multiple cleaning sprayers are installed on the sparge pipe, the blending bin is mounted on the side of high pressure main water box and high pressure deputy tank,
Dosing tank is installed, the dosing tank is pacified by being connect at the top of chemical feed pipe and blending bin on the chemical feed pipe in the blending bin
Equipped with dosing pump and Adding medicine control valve, the top of the blending bin is connected by drug liquid tube with water distributor, the blending bin
Bottom is connected by filler pipe with high-pressure hydraulic pump, and the bottom of the high pressure main water box and high pressure deputy tank is additionally provided with blowdown
Valve, the water quality sensor, dosing pump, Adding medicine control valve, blowdown valve and purge control valve are connected with PLC control system.
Compared with prior art, the utility model has the following technical effects：The utility model is simple in structure, user
Just, it is carried out automatically controlling using PLC system, using being used cooperatively for high pressure gas holder, high-pressure water tank and high-pressure hydraulic pump, utilizes high pressure
Gas tank maintains the pressure of supply water of water supply pipe, ensures that high pressure gas holder pressure is constant, when can effectively reduce the work of high-pressure hydraulic pump
Between, energy consumption is reduced, and the water quality situation of water tank can be detected in real time by water quality sensor, water tank is cleaned automatically,
It is more convenient to use, it can fully ensure that water quality is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of this practicality.
Fig. 2 is the structural schematic diagram of water tank in the utility model.
Fig. 3 is the control principle block diagram of the utility model.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
As shown in Figure 1 to Figure 3, the constant pressure water supply system based on PLC controls, including high pressure main water box 1 and high pressure deputy tank
2, the lower part of high pressure main water box 1 and high pressure deputy tank 2 is respectively provided with water level sensor 32, high pressure main water box 1 and high pressure deputy tank 2
Bottom is connected by water supply pipe 3 with water main 4, and water pressure sensor 24, the main water of high pressure are equipped on water main 4
It is separately installed with main water box drain control valve 5 and deputy tank drain control valve on the water supply pipe of 2 bottom of case 1 and high pressure deputy tank
6, the top of high pressure main water box 1 and high pressure deputy tank 2 is connected by blowdown pipe 7 with high pressure gas holder 8, is pacified on high pressure gas holder 8
Equipped with baroceptor 31, main water box aeration valve is separately installed on the blowdown pipe at 2 top of high pressure main water box 1 and high pressure deputy tank
9 and deputy tank aeration valve 10, high pressure main water box 1 and high pressure deputy tank 2 be connected respectively with high-pressure hydraulic pump 12 by water inlet pipe 11,
It is separately installed with check valve 13 and water inlet control valve 14, water level sensor on high pressure main water box 1 and the water inlet pipe of high pressure deputy tank 2
32, water pressure sensor 24, main water box drain control valve 5, deputy tank drain control valve 6, baroceptor 31, main water box tonifying Qi
Valve 9, deputy tank aeration valve 10 are connected with 14 uniform PLC control system 33 of water inlet control valve.
When in use, full water is stored in high-pressure water tank, the pressure in high pressure gas holder is constant, and the pressure in high pressure gas holder is more than
Pressure in water main.When being supplied water, supplied water using the gentle pressure tank of hydraulic pressure in water tank, the water on water main
Pressure sensor transmits pressure of supply water signal to PLC control system in real time, and when the pressure decreases, PLC control system controls main water
The aperture increase of case aeration valve, main water box drain control valve, high pressure gas holder pressurize to high pressure main water box；When pressure increases
When, PLC control system controls main water box aeration valve, the aperture of main water box drain control valve reduces, and high pressure gas holder is to the main water of high pressure
The pressure of case reduces, and maintains the pressure of water supply pipe constant using high pressure gas holder.When water level sensor detects water level in water tank
When less than setting value, the pressure of high-pressure hydraulic pump is more than the pressure of high pressure gas holder, and high-pressure hydraulic pump carries out water storage, water to high pressure main water box
Upper box part air returns in high pressure gas holder, when high pressure gas pressure inside the tank reaches setting value, stops water storage, while not influencing to supply water
The water supply of pipeline keeps pressure constant.High pressure deputy tank is used to, when high pressure main water box needs cleaning, switch to high pressure deputy tank
It supplies water, principle is identical as the water supply principle of high pressure main water box.
Wherein, it is also associated with high-pressure pump 15 on high pressure gas holder 8, benefit is provided between high pressure gas holder 8 and high-pressure pump 15
Gas check valve 16, high-pressure pump 15 are connected with PLC control system 33.High-pressure pump is mainly used for supplementing gas to high pressure gas holder
Pressure, when the water level sensor in water tank detects water tank full water state, the pressure in high pressure gas holder is less than setting value, utilizes height
Compression pump carries out tonifying Qi to high pressure gas holder automatically.
In addition, being mounted on water tank cleaning device in high pressure main water box 1 and high pressure deputy tank 2, water tank cleaning device is main
It is made of water quality sensor 34, water distributor 17, sparge pipe 18, blending bin 19 and dosing tank 20, water quality sensor 34 is mounted on height
It presses inside main water box 1 and high pressure deputy tank 2, water distributor 17 is mounted on high pressure main water box 1 and high pressure deputy tank 2 by holder 21
Top, is connected with multiple sparge pipes 18 on water distributor 17, and sparge pipe 18 extends to the interior of high pressure main water box 1 and high pressure deputy tank 2
Portion, multiple cleaning sprayers 22 are equipped on sparge pipe 18, and blending bin 19 is mounted on the side of high pressure main water box 1 and high pressure deputy tank 2
Portion is equipped with dosing tank 20 in blending bin 19, and dosing tank 20 is connect by chemical feed pipe 23 and 19 top of blending bin, on chemical feed pipe 23
Dosing pump 25 and Adding medicine control valve 26 are installed, the top of blending bin 19 is connected by drug liquid tube 27 with water distributor 17, mixing
The bottom of case 19 is connected by filler pipe 28 with high-pressure hydraulic pump 12, and purge control valve 29, high pressure master are equipped on filler pipe 28
The bottom of water tank 1 and high pressure deputy tank 2 is additionally provided with blowdown valve 30, water quality sensor 34, dosing pump 25, Adding medicine control valve 26,
Blowdown valve 30 and purge control valve 29 are connected with PLC control system 33.When water quality sensor detects in high pressure main water box
Water quality is poor when needing cleaning, and PLC automatically switches to the water supply of high pressure deputy tank, at the same control dosing pump will clean liquid be pumped into it is mixed
In mould assembling, high-pressure hydraulic pump supplies water into blending bin, and liquid is diluted, and is assigned to each sparge pipe by water distributor, so
High-pressure spray wash is carried out to water tank using cleaning sprayer afterwards, after the completion of cleaning, blowdown valve is automatically opened and carries out blowdown, then recycle
High-pressure hydraulic pump is rinsed water tank, easy to operate, is convenient for the cleaning of water tank, ensures that water quality is good in water tank.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should all wrap in the utility model model made by within the spirit and principle of utility model
In enclosing.
Claims (3)
1. the constant pressure water supply system based on PLC controls, it is characterised in that：Including high pressure main water box and high pressure deputy tank, the height
The lower part of pressure main water box and high pressure deputy tank is respectively provided with water level sensor, and the bottom of the high pressure main water box and high pressure deputy tank is equal
It is connected with water main by water supply pipe, water pressure sensor, the high pressure main water box is installed on the water main
It is separately installed with main water box drain control valve and deputy tank drain control valve on the water supply pipe of high pressure deputy tank bottom, it is described
The top of high pressure main water box and high pressure deputy tank is connected by blowdown pipe with high pressure gas holder, is equipped on the high pressure gas holder
Baroceptor is separately installed with main water box aeration valve and pair on the blowdown pipe at the top of the high pressure main water box and high pressure deputy tank
Water tank aeration valve, the high pressure main water box and high pressure deputy tank are connected by water inlet pipe with high-pressure hydraulic pump respectively, the high pressure
Check valve and water inlet control valve, the water level sensor, hydraulic pressure are separately installed on main water box and the water inlet pipe of high pressure deputy tank
Force snesor, main water box drain control valve, deputy tank drain control valve, baroceptor, main water box aeration valve, deputy tank tonifying Qi
Valve is connected with the uniform PLC control system of water inlet control valve.
2. the constant pressure water supply system according to claim 1 based on PLC controls, it is characterised in that：On the high pressure gas holder
It is also associated with high-pressure pump, tonifying Qi check valve, the high-pressure pump and PLC are provided between the high pressure gas holder and high-pressure pump
Control system is connected.
3. the constant pressure water supply system according to claim 1 based on PLC controls, it is characterised in that：The high pressure main water box
With water tank cleaning device is mounted in high pressure deputy tank, the water tank cleaning device is mainly by water quality sensor, water distributor, spray
Water pipe, blending bin and dosing tank are constituted, and the water quality sensor is mounted on inside high pressure main water box and high pressure deputy tank, the cloth
Water pipe is mounted on the top of high pressure main water box and high pressure deputy tank by holder, and multiple sparge pipes are connected on the water distributor,
The sparge pipe extends to the inside of high pressure main water box and high pressure deputy tank, and multiple cleaning sprayers are equipped on the sparge pipe,
The blending bin is mounted on the side of high pressure main water box and high pressure deputy tank, and dosing tank is equipped in the blending bin, described to add
Medicine-chest is equipped with dosing pump and Adding medicine control valve, the mixing by being connect at the top of chemical feed pipe and blending bin on the chemical feed pipe
The top of case is connected by drug liquid tube with water distributor, and the bottom of the blending bin is connected by filler pipe with high-pressure hydraulic pump,
Purge control valve is installed on the filler pipe, the bottom of the high pressure main water box and high pressure deputy tank is additionally provided with blowdown valve,
The water quality sensor, dosing pump, Adding medicine control valve, blowdown valve and purge control valve are connected with PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691448.8U CN207760924U (en) | 2017-12-07 | 2017-12-07 | Constant pressure water supply system based on PLC controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691448.8U CN207760924U (en) | 2017-12-07 | 2017-12-07 | Constant pressure water supply system based on PLC controls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207760924U true CN207760924U (en) | 2018-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721691448.8U Active CN207760924U (en) | 2017-12-07 | 2017-12-07 | Constant pressure water supply system based on PLC controls |
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| Country | Link |
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| CN (1) | CN207760924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113920828A (en) * | 2021-10-15 | 2022-01-11 | 宁波大学 | Controllable variable-pressure unsteady flow water supply experimental device |
-
2017
- 2017-12-07 CN CN201721691448.8U patent/CN207760924U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113920828A (en) * | 2021-10-15 | 2022-01-11 | 宁波大学 | Controllable variable-pressure unsteady flow water supply experimental device |
| CN113920828B (en) * | 2021-10-15 | 2022-05-27 | 宁波大学 | Controllable variable-pressure unsteady flow water supply experimental device |
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