CN206205056U - A kind of non-negative pressure water service system - Google Patents
A kind of non-negative pressure water service system Download PDFInfo
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- CN206205056U CN206205056U CN201621275266.8U CN201621275266U CN206205056U CN 206205056 U CN206205056 U CN 206205056U CN 201621275266 U CN201621275266 U CN 201621275266U CN 206205056 U CN206205056 U CN 206205056U
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- negative pressure
- water
- service system
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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 discloses a kind of new non-negative pressure water service system, the non-negative pressure water service system is arranged between city planting ductwork and user's pipe network, the non-negative pressure water service system includes steady-flow tank, water tank, negative pressure preventing module, pressurization pump group and switch board, and city planting ductwork is connected with steady-flow tank and negative pressure preventing module successively by the first water supply branch road;City planting ductwork is connected by the second water supply branch road with water tank;First water supply branch road is used with the second water supply branch road and is connected in parallel;Pressurization pump group is arranged on the downstream of the first water supply branch road and the second water supply branch road common node.User's pipe network is connected with pressurization pump group.Switch board is with pressurization pump group using electrical connection.Non-negative pressure water service system of the present utility model is effectively prevented unstable in municipal ductwork pressure or cut off the water supply in the case that the water use peak time is long, it is ensured that water is just commonly used in civic, improves the validity of system.
Description
Technical field
The utility model is related to plumbing technical field, more particularly to a kind of non-negative pressure water service system.
Background technology
At present, existing non-negative pressure water service system is typically all and, with a steady-flow tank or a water tank, it is arranged on
Between pressurization pump group and tap water pipe network, occur into water cut phenomenon to prevent force (forcing) pump from directly being drawn water from tap water pipe network.
This is a kind of new secondary water-supply technology that recent years produces, and is directly pressurizeed on the basis of water supply network pressure
Secondary water-supply mode.
But existing steady-flow tank can only run without negative pressure technique in the case where municipal ductwork pressure meets, and work as city planting ductwork
In the case that insufficient pressure or water use peak time are long, system would become hard to meet normal water supply demand, and this will influence resident's
Daily life;Water tank type non-negative pressure, although the predicament that the not enough influence of ductwork pressure is supplied water can be solved, but in tap water pipe network pressure
When power is normal, force (forcing) pump is directly to be drawn water from tap water pipe network, and when pressurization pump shutdown, water outlet can pour in down a chimney back tap water pipe network,
Cause the secondary pollution of running water.
This area in the urgent need to developing a kind of new water system, the drawbacks of to make up both the above system, effective solution
The predicament supplied water when certainly ductwork pressure is not enough, improves the security and validity of whole water system.
The content of the invention
The purpose of this utility model is to provide a kind of new non-negative pressure water service system, to solve tap water supply pipe network pressure
Supply water difficult problem when power is not enough, improves the security and validity of whole water system.
In the utility model, the utility model provides a kind of non-negative pressure water service system, the non-negative pressure water service system
It is arranged between city planting ductwork and user's pipe network, and the non-negative pressure water service system includes steady-flow tank, water tank, anti-negative pressure mould
Block, pressurization pump group and switch board;
Wherein, the city planting ductwork is connected with the steady-flow tank and the negative pressure preventing module successively by the first water supply branch road
Connect;The city planting ductwork is connected by the second water supply branch road with the water tank;The first water supply branch road supplies water with described second
Branch road is used and is connected in parallel;The pressurization pump group is arranged on the first water supply branch road with the second water supply branch road common node
Downstream;
User's pipe network is connected with the pressurization pump group;
Inlet pressure sensor is installed in the non-negative pressure water service system import, and the non-negative pressure water service system outlet is installed out
Mouth pressure sensor and electro connecting pressure gauge;
The steady-flow tank is provided with fluid level controller, and the fluid level controller is used for control pressurization during the steady-flow tank low water level
Pump group is out of service;
And the water tank is provided with liquid-level switch and float switch, it is low that the liquid-level switch and float switch are used for the water tank
Control force (forcing) pump group out of service during water level;And
The switch board respectively with the negative pressure preventing module, the inlet pressure sensor, the outlet pressure sensor,
The outlet electro connecting pressure gauge, the fluid level controller, the float switch and the pressurization pump group are using electrical connection.
In another preference, the pressurization pump group is force (forcing) pump all the way.
In another preference, the pressurization pump group is multichannel force (forcing) pump.
In another preference, the multichannel force (forcing) pump of the pressurization pump group is connected in parallel between each road force (forcing) pump.
In another preference, every force (forcing) pump all the way of the pressurization pump group includes a force (forcing) pump.
In another preference, the force (forcing) pump that multiple series connection are included per force (forcing) pump all the way of the pressurization pump group.
The pressurization pump group also includes being arranged on flexible coupling and the service valve at force (forcing) pump two ends.
In another preference, the negative pressure preventing module is electric control valve.
In the second water supply branch road, the exit of the water tank is provided with check-valves.
In another preference, the check-valves is rubber flap check valve.
In another preference, vacuum suppresser is provided with the steady-flow tank.
In another preference, vacuum table is provided with the steady-flow tank.
In another preference, the porch that the non-negative pressure water service system is docked with city planting ductwork is provided with refluence and prevents
Device.
In another preference, the non-negative pressure water service system exit is provided with vacuum tank.
In another preference, in the first water supply branch road and the second water supply branch road common node and the pressurization
Distance-transmission pressure gauge is additionally provided between pump, the distance-transmission pressure gauge is electrically connected with the switch board
The non-negative pressure water service system also includes necessary pipeline assembly, flexible coupling and necessary valve.
It should be understood that within the scope of the present invention, above-mentioned each technical characteristic of the invention and have in below (eg embodiment)
Can be combined with each other between each technical characteristic of body description, so as to constitute new or preferred technical scheme.As space is limited, exist
This no longer tires out one by one states.
Brief description of the drawings
Fig. 1 is a kind of typical non-negative pressure water service system overall construction drawing of the utility model;
Fig. 2 is a kind of typical non-negative pressure water service system workflow diagram of the utility model.
Specific embodiment
The present inventor develops a kind of new non-negative pressure water service system first by in-depth study extensively, and this is
Unite as steady-flow tank adds water case combined type non-negative pressure water service system.The system is a kind of new secondary water-supply technology, is mainly used in
Completion carries out the water intaking of docking of running water with city planting ductwork, and the control of pressurized pump group is pressurizeed to user's pipe network and supplied water.
In the utility model, the utility model adds water case combined type non-negative pressure method of water supply there is provided a kind of new steady-flow tank
System, the non-negative pressure water service system is arranged between city planting ductwork and user's pipe network, and the non-negative pressure water service system includes steady
Stream tank, water tank, negative pressure preventing module, pressurization pump group and switch board.The city planting ductwork by the first water supply branch road successively with institute
State steady-flow tank and negative pressure preventing module connection;The city planting ductwork is connected by the second water supply branch road with the water tank;It is described
First water supply branch road is used with the second water supply branch road and is connected in parallel;The pressurization pump group is arranged on the first water supply branch road
With the downstream of the second water supply branch road common node.Non-negative pressure water service system of the present utility model can prevent pressurization pump group direct
Drawn water from city planting ductwork and occurred into water cut phenomenon.
It is additionally provided between the first water supply branch road and the second water supply branch road common node and the pressurization pump group
Distance-transmission pressure gauge, the distance-transmission pressure gauge is electrically connected with the switch board.
User's pipe network is connected with the pressurization pump group.The pressurization pump group is one or more force (forcing) pump.When described
When force (forcing) pump is force (forcing) pump more than two-way and two-way, it is connected in parallel between each road force (forcing) pump.The pressurization pump group also includes setting
Put the flexible coupling at force (forcing) pump two ends and service valve.
Inlet pressure sensor is installed in the non-negative pressure water service system import, and the non-negative pressure water service system outlet is installed out
Mouth pressure sensor and electro connecting pressure gauge.The electro connecting pressure gauge is used to detect the outlet pressure of the non-negative pressure water service system
Power, prevents export pipeline hypertonia and booster.
The steady-flow tank is provided with fluid level controller, and the fluid level controller is used for control pressurization during the steady-flow tank low water level
Pump group is out of service;And the water tank is provided with liquid-level switch and float switch, the liquid-level switch and float switch are used for described
Control force (forcing) pump group out of service during water tank low water level.Non-negative pressure water service system of the present utility model by steady-flow tank, water tank and
Negative pressure preventing module is applied in combination, and can effectively prevent unstable in municipal ductwork pressure or break in the case that the water use peak time is long
Water, to ensure that water is just commonly used in civic, improves the validity of system.
The switch board respectively with the negative pressure preventing module, the inlet pressure sensor, the outlet pressure sensor,
The outlet electro connecting pressure gauge, the fluid level controller, the float switch and the pressurization pump group are using electrical connection.
The negative pressure preventing module is electric control valve.
The porch that the non-negative pressure water service system is docked with city planting ductwork is sequentially provided with backflow preventer and the filtering of Y types
Device.
Vacuum table is provided with the steady-flow tank, and vacuum suppresser is provided with the steady-flow tank.
In the second water supply branch road, the exit of the water tank is provided with check-valves.
The non-negative pressure water service system exit is provided with vacuum tank.
The non-negative pressure water service system also includes necessary pipeline assembly, flexible coupling and necessary valve.
Major advantage of the present utility model includes:
(a) non-negative pressure water service system of the present utility model can prevent pressurization pump group directly from city planting ductwork draw water and occur into
Water cut phenomenon;
B () non-negative pressure water service system of the present utility model is effectively utilized municipal ductwork pressure, how much is the how many benefits of difference, than it
His supply equipment economize on electricity 20~40%;
C be applied in combination for steady-flow tank, water tank and negative pressure preventing module by () non-negative pressure water service system of the present utility model, effectively
Prevent unstable in municipal ductwork pressure or cut off the water supply in the case that the water use peak time is long, it is ensured that water is just commonly used in civic,
Improve the validity of system.
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Invention rather than limitation the scope of the present invention.
It should be noted that in the claim and specification of this patent, such as first and second or the like relation
Term is used merely to make a distinction an entity or operation with another entity or operation, and not necessarily requires or imply
There is any this actual relation or order between these entities or operation.And, term " including ", "comprising" or its
Any other variant is intended to including for nonexcludability so that process, method, article including a series of key elements or
Equipment not only includes those key elements, but also other key elements including being not expressly set out, or also include for this process,
Method, article or the intrinsic key element of equipment.In the absence of more restrictions, by wanting that sentence " including " is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or equipment.
Embodiment
As shown in figure 1, the utility model is a kind of typical without negative pressure system, the non-negative pressure water service system is arranged on municipal pipe
Between net and user's pipe network.The non-negative pressure water service system include steady-flow tank 17, water tank 22, negative pressure preventing module 7, pressurization pump group and
Switch board 6, city planting ductwork is connected with steady-flow tank 17 and negative pressure preventing module 7 successively by the first water supply branch road;City planting ductwork passes through
Second water supply branch road is connected with water tank 22;First water supply branch road is used with the second water supply branch road and is connected in parallel;Pressurization pump group is set
In the first water supply branch road and the downstream of the second water supply branch road common node.Pressurization pump group is two-way force (forcing) pump 12, each road force (forcing) pump
Between be connected in parallel.The pressurization pump group also includes being arranged on flexible coupling 11 and the service valve 13 at the two ends of force (forcing) pump 12.First
Be additionally provided with distance-transmission pressure gauge 14 between water supply branch road and the second water supply branch road common node and pressurization pump group, distance-transmission pressure gauge 14 with
Switch board 6 is using electrical connection.
The porch that the non-negative pressure water service system is docked with city planting ductwork is sequentially provided with backflow preventer 1, y-type filter 2
With inlet pressure sensor 3.Backflow preventer 1 is installed, when force (forcing) pump 12 can be prevented out of service, municipal administration pipe is poured in down a chimney back in water outlet
Net, causes the secondary pollution of running water.The system is respectively provided with steady-flow tank 17 and water tank between pressurization pump group and city planting ductwork
22, prevent pressurization pump group from directly being drawn water from user's pipe network and occurred into water cut phenomenon.The top of steady-flow tank 17 be provided with vacuum table 4,
Charge valve 5, vacuum suppresser 18 and fluid level controller 19.The bottom of steady-flow tank 17 is provided with blowoff valve 15 and air bleeding valve 16.Liquid level
It is out of service that controller 19 is used for control force (forcing) pump group during 17 low water level of steady-flow tank.
Water tank 22 is provided with liquid-level switch 20 and float switch 21, and liquid-level switch 20 and float switch 21 are used for the low water of water tank 22
Control force (forcing) pump group is out of service during position.
Negative pressure preventing module 7 is electric control valve, installed in the delivery port of steady-flow tank 17, on the first water supply branch road.
User's pipe network is connected with pressurization pump group.Non-negative pressure water service system outlet installation outlet pressure sensor 9 and electricity connect
Point pressure table 10.Electro connecting pressure gauge 10 is used to detect the outlet pressure of the non-negative pressure water service system, prevents export pipeline pressure
Power is too high and booster.Electro connecting pressure gauge 10 is respectively provided with high pressure and low voltage value, is set when the actual pressure for detecting outlet is more than
During the high-voltage value put, pressurize pump group stoppage protection;When the outlet actual pressure for detecting is less than setting low voltage value and all pressurizations
When pump is all in running status, delay judgement outlet conduit booster, pump group of now pressurizeing is shut down.
Switch board 6 respectively with negative pressure preventing module 7, inlet pressure sensor 3, outlet pressure sensor 9, outlet electric contact pressure
Power table 10, fluid level controller 19, float switch 21, distance-transmission pressure gauge 14 and pressurization pump group are using electrical connection.Signal is adopted
Electric-control system of the control of collection and system in switch board 6 is completed.
Installed in the pressure sensor 3 of the non-negative pressure water service system import, real-time monitoring municipal ductwork pressure, when municipal administration is pressed
When power is less than valve pressure is closed, negative pressure preventing module 7 is closed, and when pressure is more than cracking pressure, negative pressure preventing module 7 is opened.System
Outlet installation outlet pressure sensor 9, the rotating speed of the motor of force (forcing) pump 12 is adjusted by the frequency conversion PID arithmetic of switch board 6, with reality
The constant-pressure operation of existing system.(the tap water pipe network pressure size control that the switch of negative pressure preventing module is surveyed by inlet pressure sensor
System).
Vacuum table 4 and vacuum suppresser 18 are provided with steady-flow tank 17, vacuum suppresser 18 is used to prevent force (forcing) pump 12 from existing
In pump process, vacuum is formed because pump-out is big, cause the water of city planting ductwork to accelerate to water filling in steady-flow tank 17, influence municipal administration
The normal operation of pipe network;And vacuum table 4 is installed and is formed for observation to whether there is negative pressure.
In the second water supply branch road, the exit of water tank 22 is provided with check-valves 23.
The non-negative pressure water service system exit is provided with vacuum tank 8, when preventing night low discharge, occurs frequently playing termination of pumping
Phenomenon, when system low discharge water, can keep pipe network constant pressure to run a period of time.
A kind of typical non-negative pressure water service system specific workflow of the utility model is as shown in Figure 2.When city planting ductwork pressure
Power it is normal and do not reach timing extraction Water in Water Tank the setting time in the case of, negative pressure preventing module is opened, and city planting ductwork is given respectively
Steady-flow tank and cistern water supply, when water tank reaches high water level, close water inlet float switch, and now system is that current stabilization pot type is supplied without negative pressure
Water system, water tank is standby water storage function, and check-valves is set in tank outlet, prevents aqueous reflux to water tank;When city planting ductwork pressure
In the case that power is not enough or the timing extraction Water in Water Tank setting time reaches, system closes negative pressure preventing module, now water tank pressure
Power is more than outlet conduit pressure, and check-valves is opened, and force (forcing) pump draws water from water tank, and now system is Water tank type non-negative pressure water supply system
System.
Non-negative pressure water service system of the present utility model can not only prevent pressurization pump group from directly being drawn water from city planting ductwork and occurred
Enter water cut phenomenon, and be effectively utilized municipal ductwork pressure, difference is how many mend how much, than other supply equipments economize on electricity 20~
40%;Additionally, be applied in combination for steady-flow tank, water tank and negative pressure preventing module by non-negative pressure water service system of the present utility model, effectively
Prevent unstable in municipal ductwork pressure or cut off the water supply in the case that the water use peak time is long, it is ensured that water is just commonly used in civic,
Improve the validity of system.
It should be understood that after above-mentioned instruction content of the invention has been read, those skilled in the art can make to the present invention
Various changes or modification, these equivalent form of values equally fall within the application appended claims limited range.
Claims (10)
1. a kind of non-negative pressure water service system, it is characterised in that the non-negative pressure water service system is arranged on city planting ductwork and user's pipe
Between net, and the non-negative pressure water service system includes steady-flow tank, water tank, negative pressure preventing module, pressurization pump group and switch board;
Wherein, the city planting ductwork is connected with the steady-flow tank and the negative pressure preventing module successively by the first water supply branch road;Institute
City planting ductwork is stated to be connected with the water tank by the second water supply branch road;The first water supply branch road is adopted with the second water supply branch road
With being connected in parallel;The pressurization pump group is arranged under the first water supply branch road and the second water supply branch road common node
Trip;
User's pipe network is connected with the pressurization pump group;
Inlet pressure sensor is installed in the non-negative pressure water service system import, and the non-negative pressure water service system exports installation outlet pressure
Force snesor and electro connecting pressure gauge;
The steady-flow tank is provided with fluid level controller, and the fluid level controller is used to control force (forcing) pump group during the steady-flow tank low water level
It is out of service;
And the water tank is provided with liquid-level switch and float switch, the liquid-level switch and float switch are used for the water tank low water level
When control force (forcing) pump group it is out of service;And
The switch board respectively with the negative pressure preventing module, inlet pressure sensor, the outlet pressure sensor, described
Outlet electro connecting pressure gauge, the fluid level controller, the float switch and the pressurization pump group are using electrical connection.
2. non-negative pressure water service system as claimed in claim 1, it is characterised in that the pressurization pump group is force (forcing) pump or many all the way
Road force (forcing) pump.
3. non-negative pressure water service system as claimed in claim 1, it is characterised in that the pressurization pump group is more than two-way and two-way
During force (forcing) pump, it is connected in parallel between each road force (forcing) pump.
4. non-negative pressure water service system as claimed in claim 1, it is characterised in that the negative pressure preventing module is electric control valve.
5. non-negative pressure water service system as claimed in claim 1, it is characterised in that in the second water supply branch road, the water
The exit of case is provided with check-valves.
6. non-negative pressure water service system as claimed in claim 1, it is characterised in that be provided with vacuum suppresser in the steady-flow tank.
7. non-negative pressure water service system as claimed in claim 1, it is characterised in that be provided with vacuum table on the steady-flow tank.
8. non-negative pressure water service system as claimed in claim 1, it is characterised in that the non-negative pressure water service system and city planting ductwork
The porch of docking is provided with backflow preventer.
9. non-negative pressure water service system as claimed in claim 1, it is characterised in that the non-negative pressure water service system exit is provided with
Vacuum tank.
10. non-negative pressure water service system as claimed in claim 1, it is characterised in that in the first water supply branch road and described
Distance-transmission pressure gauge, the distance-transmission pressure gauge and the switch board are additionally provided between two water supply branch road common nodes and the force (forcing) pump
Electrical connection.
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CN201621275266.8U CN206205056U (en) | 2016-11-25 | 2016-11-25 | A kind of non-negative pressure water service system |
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CN201621275266.8U CN206205056U (en) | 2016-11-25 | 2016-11-25 | A kind of non-negative pressure water service system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107938762A (en) * | 2018-01-12 | 2018-04-20 | 四川海涯环境科技有限公司 | Box type negative-pressure-free supercharging water supply system and its water-supply control |
CN108104204A (en) * | 2018-01-12 | 2018-06-01 | 四川海涯环境科技有限公司 | Plateau box type negative-pressure-free supercharging water supply system and its water-supply control |
CN108286278A (en) * | 2018-04-04 | 2018-07-17 | 天津宏捷安装工程有限公司 | A kind of pipe network pressure-superposed compression system of frequency conversion |
CN109487855A (en) * | 2018-12-05 | 2019-03-19 | 上海海澄水务科技集团有限公司 | A kind of integration wisdom pump house and control system |
CN112049194A (en) * | 2020-09-21 | 2020-12-08 | 王琳倩 | Non-negative pressure water supply equipment |
-
2016
- 2016-11-25 CN CN201621275266.8U patent/CN206205056U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107938762A (en) * | 2018-01-12 | 2018-04-20 | 四川海涯环境科技有限公司 | Box type negative-pressure-free supercharging water supply system and its water-supply control |
CN108104204A (en) * | 2018-01-12 | 2018-06-01 | 四川海涯环境科技有限公司 | Plateau box type negative-pressure-free supercharging water supply system and its water-supply control |
CN108286278A (en) * | 2018-04-04 | 2018-07-17 | 天津宏捷安装工程有限公司 | A kind of pipe network pressure-superposed compression system of frequency conversion |
CN109487855A (en) * | 2018-12-05 | 2019-03-19 | 上海海澄水务科技集团有限公司 | A kind of integration wisdom pump house and control system |
CN112049194A (en) * | 2020-09-21 | 2020-12-08 | 王琳倩 | Non-negative pressure water supply equipment |
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