CN2440186Y

CN2440186Y - Water-pipe drainage device for solar water-heater

Info

Publication number: CN2440186Y
Application number: CN00251596U
Authority: CN
Inventors: 赵国庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-11
Filing date: 2000-09-11
Publication date: 2001-07-25
Anticipated expiration: 2010-09-11

Abstract

The utility model discloses a water-pipe drainage device for a solar water heater. The water-pipe drainage device for a solar water heater is characterized in that the inflation and the water charging of a three-way pipe arranged in a water tank are controlled through an air line by an air bag. One pipe opening of the three-way pipe is positioned on the top of the water tank. One pipe opening is positioned in a high water level position in the three-way pipe. The other pipe opening is connected with the air bag through a one-way valve and the air line. When the three-way pipe is inflated, water pipe drainage can be realized. When water is charged into the three-way pipe, the three-way pipe is equivalent to a water pipe of a siphon. Thus, hot water can enter a room. The utility model has the advantages of simple structure, convenient operation, low cost, reliable performance and long service life.

Description

Solar water heater water pipe emptier

The utility model relates to a kind of defroster of solar water heater, specifically a kind of solar water heater water pipe emptier.

Solar water heater is easy to use, saves the energy, does not have any pollution, and is safe and reliable, economical and practical, so be widely used at present.But north cold area uses solar water heater to exist outdoor water pipe frozen problem in the winter time.The method that addresses this problem has the thickening water pipe heat-insulating layer, swathes heating wire etc. on water pipe, and these class methods all can not solve the water pipe frozen problem up hill and dale, and the cost height, the life-span is low, use is inconvenient.

I also applied for a kind of " the pipeline emptying device of solar water heater " to Patent Office of the People's Republic of China, application number is 99252418.0, its method is to make to be full of water and to be equivalent to siphonal water tank inner spout and atmosphere and to connect, and destroys the siphon condition, sucks air and realizes emptying.The method of connecting atmosphere realizes by gas cell, gas line and cup valve gate control water tank inner spout.This method also can solve solar water heater water pipe emptying problem preferably, but this cup valve door complexity, and service life is short, breaks down easily.

The purpose of this utility model is to provide a kind of simple in structure, solar water heater water pipe emptier that cost is low, safe and reliable, easy to use.

The purpose of this utility model realizes by following apparatus:

The solar water heater water pipe water tank inner bottom part that is positioned at suitable for reading, the water pipe end opening connects with indoor running water valve, and mounted water pipe is equivalent to a siphon pipe.The water pipe emptier has a three-way pipe, three pipe junctions of three-way pipe are positioned at the bottom of water tank, the air inlet of three-way pipe is positioned on the tank top liquid level, the gas outlet of three-way pipe is positioned at the high water level place of siphon pipe, the inflation inlet of three-way pipe by the gentle line of check valve with can produce compressed-air actuated air bag and be connected.The water tank inner conduit is an extra heavy pipe, described water pipe is suitable for reading to be to have one to several holes in the bottom of extra heavy pipe, the gross area in its hole is 1-2 a times of water pipe end opening cross-sectional area, this hole area can guarantee to be to make when feed-tank adds water to be full of water in the extra heavy pipe and to make three-way pipe also be full of water, satisfy the siphon condition, the water during with hot water in the water tank flows into indoor by water pipe.

Three-way pipe can place extra heavy pipe inside, also can place the outside of extra heavy pipe, and the three-way pipe mouth of pipe is airtight connection by extra heavy pipe.

The utlity model has following advantage:

Can fundamentally solve north of china in winter solar water heater water pipe frozen problem easily with the water emptying in the water pipe by pressing several lower gasbags, this installs except that air bag and check valve, have only tracheae and water pipe, so simple in structure, cost is low, dependable performance, long service life.

Accompanying drawing is a structural representation of the present utility model.

Below in conjunction with accompanying drawing the utility model is further described:

Solar water heater water pipe suitable for reading 12 is positioned at water tank 5 inner bottom parts, and water pipe end opening 2 connects with indoor running water valve, and mounted water pipe is equivalent to a siphon pipe.The water pipe emptier has a three-way pipe 11, three pipe junctions of three-way pipe 11 are positioned at the bottom of water tank 5, the air inlet 9 of three-way pipe is positioned on water tank 5 top liquid levels, the gas outlet 8 of three-way pipe is positioned at the high water level place of siphon pipe, the inflation inlet of three-way pipe 7 by check valve 6 gentle lines 4 with can produce compressed-air actuated air bag 1 and be connected.The water tank inner conduit is an extra heavy pipe 10, and described water pipe suitable for reading 12 is to have one to several holes in the bottom of extra heavy pipe, and the gross area in its hole is 1-2 a times of water pipe end opening 2 cross-sectional areas.

Solar water heater is when adding water, when the running water that certain pressure arranged flows to thick water pipe 10 through water pipe 3, because the 1-2 that the thick said water pipe in water pipe 10 bottoms 12 sectional areas suitable for reading are water pipe end opening 2 sectional areas doubly, what compressed air inlet port 7 connected is a check valve 6, can stop running water to flow into the gas line, so be full of water in the extra heavy pipe 10 very soon and maintain certain pressure, when water tank 5 adds the water process, gas outlet 8 by three-way pipe 11 makes three-way pipe 11 also be full of water, at this moment thick water pipe 10 and siphon pipe of water pipe 3 common compositions, when needs hot water, make the hot water in the water tank 5 flow back to indoor automatically according to siphon principle.When water pipe is an emptying state when using hot water, at first to open running water valve feed pipe 3, thick water pipe 10, three-way pipe 11 water-fillings, form the siphon condition, make the hot water in the water tank 5 flow back to indoor automatically according to siphon principle again.

When the emptying water pipe, manual gasbag 1 makes three-way pipe 11 charge into gases at high pressure, water in the three-way pipe 11 is discharged from its air inlet 9, air inlet 9 is positioned on the top liquid level of water tank 5 to be connected with atmosphere, so the high water level place in the siphon pipe sucks air by three-way pipe 11, destroy the siphon condition, the water level in the extra heavy pipe 10 descends, and the current in the water pipe 3 return indoor and the emptying water pipe.

Claims

1, a kind of solar water heater water pipe emptier, comprise water pipe, the gentle line of gas cell, it is characterized in that this device has a three-way pipe 11, three pipe junctions of three-way pipe 11 are positioned at the bottom of water tank 5, the air inlet 9 of three-way pipe is positioned on water tank 5 top liquid levels, the gas outlet 8 of three-way pipe is positioned at the high water level place of siphon pipe, the inflation inlet 7 of three-way pipe by check valve 6 gentle lines 4 with can produce compressed-air actuated air bag 1 and be connected, the water tank inner conduit is an extra heavy pipe 10, described water pipe suitable for reading 12 is to have one to several holes in the bottom of extra heavy pipe, and the gross area in its hole is 1-2 a times of water pipe end opening 2 cross-sectional areas.