CN2752336Y

CN2752336Y - Non-negative pressure automatic water-supply container

Info

Publication number: CN2752336Y
Application number: CNU200420098614XU
Authority: CN
Inventors: 张明亮; 王学成
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-16
Filing date: 2004-12-16
Publication date: 2006-01-18
Anticipated expiration: 2014-12-16

Abstract

The utility model provides an automatic water supply tank without negative pressure, which mainly comprises a tank body, a bag, a diving pump, an automatic control box, a pressure sensor, an inflation valve, a check valve, etc. The utility model has the technical scheme that the utility model adopts an integrated structural design and has small volume and low cost; a certain amount of pre-compressed gas is inflated between the bag and the tank body. The utility model realizes the processes of storing and using the water by shrinkage and expansion of the gas and does not use air which is supplemented to realize non negative pressure. The gas is completely isolated from and not contacted with the water by the bag. The utility model completely avoids that the air pollutes water quality and consequently realizes design goal.

Description

No negative pressure automatic water supply tank

Technical field

The utility model relates to a kind of building water supply equipment, particularly relates to a kind of supply equipment of realizing no negative-pressure pipeline pressurization by submersible pump.

Prior art

At present, a kind of capsule-type pneumatic installation water supply is arranged on the market, this equipment is mainly by the capsule-type air pressure tank, water pump, valve, electric-control system is formed, the characteristics of this equipment are: adopt the capsule-type air pressure tank as voltage stabilizing and buffer, interior qi of chong channel ascending adversely body is as energy storage and buffering medium, the buffer action of capsule, overcome because of the dissolving of air in water and made the ineffective disadvantage of air pressure tank, the reliability of water supply facilities is improved greatly, but the capsule-type air pressure tank of this water supply facilities is to be contained on the delivery port of water pump, and this water supply facilities is generally used for pond or well water source, and do not have no negative pressure function, more can not directly be connected on the pipe network of municipal tap water and draw water.

In order to solve the problem that municipal tap water pressure can not well satisfy high building water needs, disclose a kind of nothing for Chinese patent ZL97245178.1 number and inhaled journey piped water equipment unit, a kind of non-negative pressure method of water supply device is disclosed for ZL00256147.6 number, a kind of energy-conservation no negative pressure storage tank is disclosed for ZL01204960.3 number, the advantage of these equipment is directly to be serially connected in draws water on the pipe network of municipal tap water and can not produce negative pressure in city planting ductwork, both utilized the pressure in the pipe network, the water pollution of having avoided original pond way of supplying water to bring again is the effective way that solves building water supply really.

But, because above-mentioned utility model is for fear of producing negative pressure, all adopted the method that in system, covers air, opened air when inlet duct and just enter water system, and the air that enters system directly contacts with water, so just still inevitably water quality is produced air pollution, in addition, above-mentioned utility model is because of adopting the decentralized design, and the complete equipment volume is big, complexity is installed, is not suitable for the little occasion of installing space especially.

Goal of the invention of the present utility model is to provide a kind of can overcome the defective that above-mentioned technology exists, volume is little, simple in structure, cost is low, can directly be serially connected on the pipe network of municipal tap water and draw water, neither produce negative pressure, can not produce any air-polluting non-negative pressure water-supply installation again.

Goal of the invention of the present utility model is achieved in that the utility model has adopted the integrated structure design, submersible pump, capsule, tank body are organically combined, volume is reduced greatly, between capsule and tank body, charge into a certain amount of gas and sealing in advance, by capsule gas and water are isolated fully, in the use of equipment, need not cover air from the external world again and eliminate negative pressure, thereby avoided the pollution of air, realized the purpose of invention water quality.

The present invention is simple in structure, and volume is little, and cost is low, and has thoroughly overcome the pollution of air to water quality, and the present invention reduces equipment investment to improving water supply quality, and user nervous to the pump house space especially and low discharge provides an effective solution route.

Description of drawings

Accompanying drawing is a generalized section of the present utility model.

1. tank body; 2. submersible pump; 3. capsule; 4. outlet pipe; 5. pressure sensor; 6. manage; 8. automatic control box; 9. pressure meter; 11. pumping source line; 12. charge valve; 13. pressure sensor; 14. flap valve; 15. water inlet pipe.

The specific embodiment

Below with reference to above accompanying drawing, the specific embodiment of the present utility model is done further detailed description.

Capsule (3) is contained in the tank body (1), and submersible pump (2) is contained in the capsule (3), and in order to make full use of the dischargeable capacity of capsule (3), submersible pump (2) should be contained in the bottom of capsule (3) inner chamber, and capsule (3) is made by rubber or other resilient material; The municipal tap water pipe is connected with water inlet pipe (15), water inlet (15) communicates by the inner chamber of flap valve (14) with capsule (3), pressure sensor (13) is housed on the water inlet (15), charge valve (12) and pressure meter (9) are installed on tank body (1), pressure sensor (5) is installed on delivery port (4), pressure sensor (5), pressure sensor (13) are connected with automatic control box (8) by lead, and pumping source line (11) is connected with automatic control box (8) by lead.

Give the foundation of pressure: equipment before use, in the chamber of charge valve (12) between capsule (3) and tank body (1), charge into a certain amount of gas, the inner chamber of capsule this moment (3) is compressed into minimum, the force value that charges into gas is indicated by pressure meter (9), the size that charges into gas pressure is determined according to the tap water pressure of different user, general the blowing pressure (referring to relative pressure) can be from zero to 1/4th of tap water water use peak phase pressure, in case inflation is finished, the press strip spare that gives in jar just is established, charge valve (12) is actually an one way valve, role is to allow gas enter tank body easily, and the gas in the tank body can not be overflowed.

In user's constant-pressure water feeding system process, the water in the city planting ductwork enters water supply tank by water inlet (15) at automatic control box (8) control submersible pump (2).

When flow of inlet water during greater than the water supply flow of equipment, because give pressure from far away less than tap water pressure, unnecessary water will replenish and enter the capsule inner chamber, and capsule (3) is expanded, and expand into until capsule (3) external and internal pressure of capsule is balanced each other, and so far the water storage process is finished.

When flow of inlet water is zero less than the water supply flow of equipment or flow of inlet water, under the water cavity pressure effect outside that stores in the capsule (3), will enter pipe (6) by submersible pump (2) pressurization, supply with the user by outlet pipe (4), to remedy the deficiency of city planting ductwork output, the effect of flap valve (14) is to avoid the aqueous reflux in capsule (3) and the supply equipment to return city planting ductwork, causes the pollution of city planting ductwork; Water is confessed by capsule (3), and capsule exocoel air pressure can descend gradually, until returning to the initial pressure condition that gives.

In the automatic water-supply process; pressure signal in the outlet pipe (4) reaches automatic control box (8) by pressure sensor (5); after handling by automatic control box (8); control submersible pump (2) moves under the frequency conversion state, realizes constant pressure water supply, and the city planting ductwork hydraulic signal reaches automatic control box (8) by pressure sensor (13); in case municipal ductwork pressure is zero; automatic control box (8) is shut down with regard to control of pump, avoids equipment that city planting ductwork is produced negative pressure, guarantees no negative pressure operation.

Above-described only is preferred embodiment of the present utility model.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from principle of the present invention, can also make some changes and improvements, also should be considered as belonging to protection scope of the present invention.

Claims

1, a kind of no negative pressure automatic water supply tank, mainly constitute by tank body (1), submersible pump (2), capsule (3), outlet pipe (4), pressure sensor (5), pipe (6), automatic control box (8), charge valve (12), pressure sensor (13), water inlet pipe (15), it is characterized in that: capsule (3) is contained in the tank body (1), and submersible pump (2) is contained in the capsule (3).

2, a kind of no negative pressure automatic water supply tank according to claim 1, it is characterized in that: submersible pump (2) is contained in the bottom of capsule (3) inner chamber, and submersible pump (2) outlet is connected with outlet pipe (4) by pipe (6).

3, a kind of no negative pressure automatic water supply tank according to claim 1, it is characterized in that: water inlet (15) communicates by the inner chamber of flap valve (14) with capsule (3), and pressure sensor (13) is housed on the water inlet (15).

4, a kind of no negative pressure automatic water supply tank according to claim 1 is characterized in that: charge valve (12) and pressure meter (9) are installed on tank body (1).

5, a kind of no negative pressure automatic water supply tank according to claim 1 is characterized in that: pressure sensor (5) is installed on delivery port (4).

6, a kind of no negative pressure automatic water supply tank according to claim 1 is characterized in that: pressure sensor (5), pressure sensor (13) are connected with automatic control box (8) by lead.

7, a kind of no negative pressure automatic water supply tank according to claim 1, it is characterized in that: pumping source line (11) is connected with automatic control box (8) by lead.