CN206467723U - Non-negative pressure method of water supply control system - Google Patents
Non-negative pressure method of water supply control system Download PDFInfo
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- CN206467723U CN206467723U CN201720131054.0U CN201720131054U CN206467723U CN 206467723 U CN206467723 U CN 206467723U CN 201720131054 U CN201720131054 U CN 201720131054U CN 206467723 U CN206467723 U CN 206467723U
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- negative pressure
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Abstract
The utility model discloses a kind of non-negative pressure method of water supply control system, including monitoring station, control system, display screen, pressure sensor, circulating pump, frequency converter and non-negative pressure water-supply installation；Circulating pump is arranged on supply channel, non-negative pressure water-supply installation connection domestic water pipeline, fire demand water pipeline, control system includes power module and CPU module, power module is that whole non-negative pressure method of water supply control system is powered, and the display screen, pressure sensor, frequency converter, monitoring station, circulating pump, non-negative pressure water-supply installation and CPU module are connected.Non-negative pressure method of water supply control system of the present utility model can complete the whole process monitoring of sewage disposal and manage, and control is accurate, and sewage disposal is smooth, the shut-down of all devices will not be influenceed because of the failure of a certain equipment, saving time and maintenance energy, treatment effect are good, efficiency high.
Description
Technical field
The utility model is related to supply equipment technical field, more particularly to a kind of non-negative pressure method of water supply control system.
Background technology
In traditional high-floor feedwater mode, either still provided for life for fire-fighting and use water, be all to use to build large-scale
Pond, municipal tap water is put into pond, then is pressurised into user terminal water supply by water pump progress.This way of supplying water is generally required
There is larger floor space, civil engineering costs is also higher.For the offer of domestic water, because there is the secondary of dampening in large pool
Pollution problem, so, it there is the threat that user's health suffers damage.
Generally, municipal tap water has certain pressure of supply water, still, after running water enters pond, the municipal network of rivers
Pressure is eliminated naturally.When water pump is user's water supply, it is necessary to apply pressure again under zero pressure state, therefore, waste perhaps
Multiple-energy-source.
In terms of fire demand water, due to fire demand water than domestic water have higher source ensuring, reliability of water supply with
And higher hydraulic demand, so, in usual building, domestic water is with fire demand water often using two sets of respective independent confessions
Water system, this just makes water system complicated, and cost is relatively expensive.
Chinese patent ZL00215684.9 discloses one kind without negative pressure, non-suction head pipe network pressurizing current stabilization supply equipment；
ZL00256147.6 discloses a kind of non-negative pressure method of water supply device；ZL01204960.3 discloses a kind of energy-saving water storage tank without negative pressure.
These disclosed supply equipment, devices are both for domestic water, it is impossible to provided for fire-fighting and reliably use water resource.
In addition, in above-mentioned all kinds of patents technical scheme, being influenceed to eliminate negative pressure on municipal tap water pipe network, in storage
Exhaust, making-up air device are designed with flow container (water storage tank), after gas is drained due to water filling, exhaust outlet is closed by valve,
Now, there is higher hydraulic pressure in fluid reservoir (water storage tank).When the valve of exhaust outlet breaks down and when leaking, fluid reservoir (storage
Water tank) in water can be to splash everywhere, and be usually provided with the electrical equipments such as water pump assembly around fluid reservoir (water storage tank), spray
The water capacity spilt easily causes electrical equipment short circuit, is destroyed supply equipment.
Further, generally in supply equipment, the entrance exported directly with user's pipe network of water pump assembly is connected.Due to user terminal
Hydraulic pressure often in unstable state, the use water quality of user is poor, under low discharge state start shooting frequently and can not be effective
Elimination water hammer.Unstable hydraulic pressure, for the automatic fire protection system for being provided with fast-response probe, is easily reported by mistake
Warn, so as to directly can not be supplied water for it at all.
The content of the invention
The utility model develops a kind of non-negative pressure method of water supply control for existing high-rise life, the deficiency of fire-fighting watering equipment
System, the system uses non-negative pressure method of water supply mode, by the switching of control device, and respectively life, fire-fighting, which are provided, meets the requirements
Water source.It can ensure that water quality is not contaminated, it is effective to keep the steady of user's end pressure, it is ensured that the use water quality of user, adapt to
In the automatic fire protection system for being provided with fast-response probe.
The utility model solve technical problem technical scheme be：A kind of non-negative pressure method of water supply control system, including monitoring station,
Control system, display screen, pressure sensor, circulating pump, frequency converter and non-negative pressure water-supply installation；Circulating pump is arranged on supply channel
On, non-negative pressure water-supply installation connection domestic water pipeline, fire demand water pipeline, control system include power module and CPU module,
Power module is that whole non-negative pressure method of water supply control system is powered, the display screen, pressure sensor, frequency converter, monitoring station, circulation
Pump, non-negative pressure water-supply installation and CPU module are connected.
As optimization, the display screen, pressure sensor, frequency converter, monitoring station, circulating pump, non-negative pressure water-supply installation lead to
Cross EPA or signal wire is connected with CPU module.
As optimization, the display screen is touch-screen.
As optimization, the CPU module is provided with RS232 and RS485 interfaces, supports Modbus, Profibus, Ethernet
With GPRS communications protocol.
As optimization, the non-negative pressure method of water supply control system also include ups power, the ups power include UPS main frames and
UPS battery, the UPS main frames are connected with UPS battery, and the UPS main frames are connected with EPA, UPS main frames connection power supply
Module.
The beneficial effects of the utility model：
1. non-negative pressure method of water supply control system of the present utility model can complete the whole process monitoring of sewage disposal and manage, control
System is accurate, and sewage disposal is smooth, will not influence the shut-down of all devices because of the failure of a certain equipment, saves time and maintenance essence
Power, treatment effect is good, efficiency high.
2. by setting ups power, adding the stability of system, ups power can be in emergency episodes such as unexpected power failures
The middle continual power supply of offer, it is safe and reliable.
Brief description of the drawings
Fig. 1 is a kind of structure principle chart of embodiment of the utility model.
Embodiment
In order to more fully understand the utility model, embodiment of the present utility model is explained in detail below in conjunction with the accompanying drawings.
Fig. 1 is a kind of embodiment of the present utility model, as illustrated, a kind of non-negative pressure method of water supply control system, including monitoring
Stand, control system, display screen, pressure sensor, circulating pump, frequency converter and non-negative pressure water-supply installation；Circulating pump, which is arranged on, to supply water
On pipeline, non-negative pressure water-supply installation connection domestic water pipeline, fire demand water pipeline, control system include power module and CPU
Module, power module is that whole non-negative pressure method of water supply control system is powered, the display screen, pressure sensor, frequency converter, monitoring
Stand, circulating pump, non-negative pressure water-supply installation and CPU module are connected.The display screen is touch-screen.
The display screen, pressure sensor, frequency converter, monitoring station, circulating pump, non-negative pressure water-supply installation pass through industrial ether
Net or signal wire are connected with CPU module.The general signal wire using 4~20mA or 0~5V is connected.
The CPU module is provided with RS232 and RS485 interfaces, supports Modbus, Profibus, Ethernet and GPRS to lead to
Interrogate agreement.
The non-negative pressure method of water supply control system also includes ups power, and the ups power includes UPS main frames and UPS battery,
The UPS main frames are connected with UPS battery, and the UPS main frames are connected with EPA, UPS main frames connection power module.UPS
Power supply can provide continual power supply in the emergency episodes such as unexpected power failure, safe and reliable.
Circulating pump typically uses centrifugal pump of single stage type.The flow median size of circulating pump, in a steady working condition, the stream of pump
Amount change is smaller.Its lift is small, is used only to overcome the pressure drop of the circulatory system.Low-lift pump can be used.Circulating pump is
For the effect for referring to pump, centrifugal pump refers to for the structure of pump.
Non-negative pressure water-supply installation is a kind of pressurization water supply unit, directly couples with municipal network water supply, is remained in city planting ductwork
It (can be relative pressure not less than setting protection pressure that series connection, which laminates water supply and ensures municipal ductwork pressure, on the basis of overbottom pressure power
0 pressure, is referred to as negative pressure during less than 0 pressure) second pressure water supply equipment.The core of pipe network pressure-superposed (no negative pressure) supply equipment is
How to prevent negative pressure from producing in second pressure water supply system operation, eliminate influence of the unit operation to city planting ductwork,
Guarantee does not influence nearby users with realizing safe and reliable, steady, lasting supply water on the premise of water.
Non-negative pressure method of water supply control system also includes lightning-protection system and earthed system；Lightning-protection system include primary power source lightning protection and
Secondary power supply lightning protection；Earthed system includes protecting field and shielding ground.
Earthed system can bear to carry electric current and be conducted into the earth rapidly, and provide public letter for whole automated system
Number reference point, eliminates electronic noise, have effectively achieved the protection of personnel and equipment.
The ground connection of earthed system is divided into two parts：
(1) protecting field
Protecting field is also known as safely or casing, is to prevent the static charge accumulation of device housings from causing danger to the person
And the measure taken, plant area's electrical grounding net should be connected to.
(2) shielding ground
Shielding ground also known as simulation ground.Suffered interference shielding falls when being in order to which signal is transmitted, and improves signal accuracy, ground connection
Resistance Yaos Qiu≤1 ohm.
Primary power source thunder resisting equipment is installed in the ups power of non-negative pressure method of water supply control system, UPS inlet wires install two grades of electricity additional
Source thunder resisting equipment.Every process cable is respectively mounted power line and letter by the outdoor power supply got in, control system in the system
The lightning protection device of number line.
Although above-mentioned the embodiment of utility model is described with reference to accompanying drawing, not to the utility model
The limitation of protection domain, on the basis of the technical solution of the utility model, those skilled in the art need not pay creativeness
Various modifications or deform still within protection domain of the present utility model that work can be made.
Claims (5)
1. non-negative pressure method of water supply control system, it is characterised in that：Including monitoring station, control system, display screen, pressure sensor, follow
Ring pump, frequency converter and non-negative pressure water-supply installation；Circulating pump is arranged on supply channel, non-negative pressure water-supply installation connection domestic water
Pipeline, fire demand water pipeline, control system include power module and CPU module, and power module controls for whole non-negative pressure method of water supply
System power supply, the display screen, pressure sensor, frequency converter, monitoring station, circulating pump, non-negative pressure water-supply installation and CPU module connect
Connect.
2. non-negative pressure method of water supply control system according to claim 1, it is characterized in that, the display screen, pressure sensor, change
Frequency device, monitoring station, circulating pump, non-negative pressure water-supply installation are connected by EPA or signal wire with CPU module.
3. non-negative pressure method of water supply control system according to claim 1, it is characterized in that, the display screen is touch-screen.
4. non-negative pressure method of water supply control system according to claim 1, it is characterized in that, the CPU module provided with RS232 and
RS485 interfaces, support Modbus, Profibus, Ethernet and GPRS communications protocol.
5. non-negative pressure method of water supply control system according to claim 1, it is characterized in that, the non-negative pressure method of water supply control system is also
Including ups power, the ups power includes UPS main frames and UPS battery, and the UPS main frames are connected with UPS battery, the UPS
Main frame is connected with EPA, UPS main frames connection power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720131054.0U CN206467723U (en) | 2017-02-13 | 2017-02-13 | Non-negative pressure method of water supply control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720131054.0U CN206467723U (en) | 2017-02-13 | 2017-02-13 | Non-negative pressure method of water supply control system |
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| Publication Number | Publication Date |
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| CN206467723U true CN206467723U (en) | 2017-09-05 |
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ID=59707985
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720131054.0U Active CN206467723U (en) | 2017-02-13 | 2017-02-13 | Non-negative pressure method of water supply control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954021A (en) * | 2018-08-25 | 2018-12-07 | 北京逸智联科技有限公司 | A kind of municipal network water supply monitoring system |
-
2017
- 2017-02-13 CN CN201720131054.0U patent/CN206467723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954021A (en) * | 2018-08-25 | 2018-12-07 | 北京逸智联科技有限公司 | A kind of municipal network water supply monitoring system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 2006, Changxing Road, Nanyuan, Jinan Economic Development Zone, Shandong 250000 001 Patentee after: SHANDONG JINTUO THERMAL TECHNOLOGY Co.,Ltd. Address before: 250,300 Ma Shan Zhen Long Feng Zhuang Cun Dong Nan Gu Tou Cun Bei, Changqing District, Jinan City, Shandong Province Patentee before: SHANDONG JINTUO THERMAL TECHNOLOGY Co.,Ltd. |