CN2534530Y

CN2534530Y - Automatic feeding water and emptying combined apparatus for solar energy water heater

Info

Publication number: CN2534530Y
Application number: CN02216718U
Authority: CN
Inventors: 张雪祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-08
Filing date: 2002-04-08
Publication date: 2003-02-05
Anticipated expiration: 2012-04-08

Abstract

The utility model relates to an automatic water-feeding and evacuating composite apparatus for a solar energy water heater, which comprises a shell 4, a water inlet pipe 10, a water outlet pipe 6, a ball valve and a hot-water lead-out pipe 3, wherein the float valve is composed of a floating ball 5, a valve body 11 and a lever 12. The hot-water lead-out pipe passes through a bore 17 on the free end of the lever and a bore 16 in the center of the floating ball, and extends from the lower end of the water outlet pipe 6. An interval is formed between the outer wall of the hot-water lead-out pipe 3 and the pipe wall of the water outlet pipe 6. The outer wall of the lower end of the hot-water lead-out pipe and the lower end of the water outlet pipe are sealed by a seal ring 14. The upper end of the hot-water lead-out pipe 3 is provided with a triplet 2, wherein the lower port of the triplet is connected with the hot-water lead-out pipe 3, the side port of the triplet is connected with a hot-water connecting pipe 9, and the upper port of the triplet is connected with an air duct 8. The utility model is installed at the upper part of a water tank of the solar energy water heater, the water outlet pipe 6 extends into the water tank, and the water inlet pipe 10 is connected with a valve for running water. The water can automatically feed and the remnant water in the water inlet pipe and the water outlet pipe can be evacuated when the solar energy water heater is stopped.

Description

Automatic loading water in solar water heater and emptying set composite

(1) technical field:

The utility model relates to a kind of control device of solar water heater water tank, a kind of automatic loading water in solar water heater and emptying set composite.

(2) background technology:

Solar water heater generally is installed on the roof, supplies water in water tank with running water pipe, in order to add water automatically, existing a kind of float valve type water feed apparatus that is installed in the water tank top.The hot water outlet pipe generally is connected on the low level outlet of water tank.Tempus intercalare intaking and discharging water all has been full of water in upper hose and the outlet pipe, when cold district used, for example, through an evening, water inlet pipe and outlet pipe very easily damaged because of freezing.

(3) summary of the invention:

The utility model is intended to propose a kind of can the water inlet automatically, again can be when stop uses with control device, a kind of automatic loading water in solar water heater and the emptying set composite of the solar water heater water tank of the surplus water emptying in water inlet pipe and the outlet pipe.

This automatic loading water in solar water heater and emptying set composite comprise shell, water inlet pipe, outlet pipe and the ball-cock assembly of being made up of ball float, valve body, lever.Valve body is fixed on the madial wall of shell, and water inlet pipe passes the sidewall of shell, links to each other with the import of ball-cock assembly, and the upper end of outlet pipe is fixed on the center of outer casing bottom, and ball float is in the top of outlet pipe, the free-ended below of lever.It also comprises a hot water fairlead.There is a cylindrical hole at the ball float center, one circular hole is arranged on the lever free end, the hot water fairlead passes the hole on the lever free end and the hole at ball float center, stretch out from the outlet pipe lower end, form a gap between the outer wall of hot water fairlead and the outlet pipe tube wall, between hot water fairlead lower end outer wall and the outlet pipe lower end by seal ring seal, one cooling water outlet is arranged on the sidewall of outlet pipe lower end, there is a threeway upper end of hot water fairlead, the lower port of this threeway and hot water fairlead join, the side ports of this threeway links to each other with a hot water tube connector, and the upper port of this threeway and an air conduit join.

When this automatic loading water in solar water heater and emptying set composite use, it is installed in the top of solar water heater water tank, outlet pipe stretches in the water tank, and the water supply valve of water inlet pipe and running water joins, and also is connected to a water inlet pipe emptying valve on the water inlet pipe.Hot water tube connector and hot-water valve join, and the hot water tube connector also joins by a diversion valve and running water pipe, and an air conduit and an emptying valve join.Open water supply valve, running water just by ball-cock assembly and outlet pipe, enters in the water tank.When water was full, ball float floated, and pushes lever, and ball-cock assembly is closed.In the time of will using hot water, open the diversion valve earlier, in the hot water tube connector, charge into a certain amount of water.Close the diversion valve, open hot-water valve, because siphonage, hot water will sucking-off from water tank automatically, flows out from hot-water valve.Water finishes, and closes hot-water valve.Open the emptying valve, the water in the hot-water line can be put only.Simultaneously, water supply valve is closed, open the emptying valve, the surplus water in the water inlet pipe is bled off, just can prevent that pipeline and valve are freezing.From the above, this automatic loading water in solar water heater and emptying set composite can be intake automatically, again can be when the solar water heater stop uses, with the surplus water emptying in water inlet pipe and the outlet pipe.

(4) description of drawings:

Accompanying drawing 1 is the structure chart of this automatic loading water in solar water heater and emptying set composite;

Accompanying drawing 2 is the structure chart of lever;

Accompanying drawing 3 is the structure chart of ball float;

Accompanying drawing 4 is the use principle figure of this automatic loading water in solar water heater and emptying set composite.

(5) specific embodiment:

As shown in Figure 1, this automatic loading water in solar water heater and emptying set composite comprise shell 4, water inlet pipe 10, outlet pipe 6 and the ball-cock assembly of being made up of ball float 5, valve body 11, lever 12.Valve body 11 is fixed on the madial wall of shell 4, and water inlet pipe 10 passes the sidewall of shell, links to each other with the import of valve body; The upper end of outlet pipe 6 is fixed on the center of outer casing bottom; Ball float 5 is in the top of outlet pipe 6, the free-ended below of lever 12.It also comprises a hot water fairlead 3.There is a cylindrical hole 16 (referring to Fig. 3) at the center of ball float 5, one circular hole 17 (referring to Fig. 2) is arranged on the free end of lever 12, hot water fairlead 3 passes the hole 17 on the lever free end and the hole 16 at ball float center, stretch out from outlet pipe 6 lower ends, form a gap between the outer wall of hot water fairlead 3 and outlet pipe 6 tube walls, seal by sealing ring 14 between hot water fairlead lower end outer wall and the outlet pipe lower end, one cooling water outlet 15 is arranged on the sidewall of outlet pipe 6 lower ends, there is a threeway 2 upper end of hot water fairlead 3, the lower port of this threeway and hot water fairlead 3 join, the side ports of this threeway links to each other with a hot water tube connector 9, and the upper port of this threeway and an air conduit 8 join.1 is loam cake among Fig. 1, and 13 is water tank.

As shown in Figure 4, when this automatic loading water in solar water heater and emptying set composite use, it is installed in the top of solar water heater water tank 13, outlet pipe 6 stretches in the water tank, water inlet pipe 10 joins with the water supply valve 22 of running water, also is connected to a water inlet pipe emptying valve 29 on the water inlet pipe.Hot water tube connector 9 joins with hot-water valve 24, and the hot water tube connector also joins by a diversion valve 23 and running water pipe, and air conduit 8 joins with emptying valve 28.Open water supply valve 22, running water just by the space between ball-cock assembly 11 and outlet pipe 6 and the hot water fairlead 3, enters in the water tank.After water was expired in the water tank, water entered in the shell 4, and ball float 5 floats, and pushes lever 12, and ball-cock assembly is closed.When using hot water, open diversion valve 23 earlier, in the hot water tube connector, charge into a certain amount of cold water.Close diversion valve 23, open hot-water valve 24, because siphonage, hot water will be entered hot water tube connector 9 by hot water fairlead 3 sucking-off from water tank, flows out from hot-water valve.Water finishes, and closes hot-water valve.Open emptying valve 28, the water in the hot-water line can be put only.Simultaneously, water supply valve 22 is closed, open water inlet pipe emptying valve 29, the surplus water in the water inlet pipe is bled off.Just can prevent that pipeline and valve are freezing.In addition, can also adorn a magnetic valve 21 between the low level delivery port of water tank 13 and hot water tube connector 9, this magnetic valve also can be used for adding drainage water in hot water tube connector 9 when beginning to put hot water.In addition, water level is lower in water tank, and when hot water fairlead 3 lower ends do not reach the water surface, but also opens solenoid valve puts hot water.25 is hot water outlet among Fig. 4, and 26 is running water inlet, and 27 is air intlet.

As shown in Figure 1, the drain pipe 18 of can also ining succession on the cooling water outlet 15 of the lower end of the outlet pipe 6 of this automatic loading water in solar water heater and emptying set composite, the outlet 19 of this drain pipe is lower than the end opening of hot water fairlead 3, preferably can be positioned at the bottom of water tank, some weep holes 20 are arranged on the sidewall in drain pipe exit.At this moment, also need increase passage 7 near water tank upper wall place on the outlet pipe 6, after the water surface is elevated to hot water fairlead 3 lower port in water tank, for remaining air in the water tank provides outlet.This drain pipe structure can make the cold water that enters water tank be positioned at the water tank bottom, and enters water tank more reposefully, to reduce the interference of inlet cold water to upper strata hot water.

Claims

1, a kind of automatic loading water in solar water heater and emptying set composite, comprise shell (4), water inlet pipe (10), outlet pipe (6) and by ball float (5), valve body (11), the ball-cock assembly that lever (12) is formed, valve body (11) is fixed on the madial wall of shell (4), water inlet pipe passes the sidewall of shell, link to each other with the import of valve body, the upper end of outlet pipe is fixed on the center of outer casing bottom, ball float is in the top of outlet pipe, the free-ended below of lever (12), it is characterized in that, it also comprises a hot water fairlead (3), there is a cylindrical hole (16) at the ball float center, one circular hole (17) is arranged on the lever free end, hot water fairlead (3) passes the hole (17) on the lever free end and the hole (16) at ball float center, stretch out from outlet pipe (6) lower end, form a gap between the outer wall of hot water fairlead (3) and outlet pipe (6) tube wall, seal by sealing ring (14) between hot water fairlead lower end outer wall and the outlet pipe lower end, on the sidewall of outlet pipe (6) lower end a cooling water outlet (15) is arranged, there is a threeway (2) upper end of hot water fairlead (3), the lower port of this threeway and hot water fairlead join, the side ports of this threeway links to each other with a hot water tube connector (9), and the upper port of this threeway and an air conduit (8) join.

2, automatic loading water in solar water heater as claimed in claim 1 and emptying set composite, it is characterized in that the drain pipe (18) of also ining succession on the cooling water outlet (15) of lower end of described outlet pipe (6), the outlet of this drain pipe (19) is lower than the end opening of hot water fairlead (3), some weep holes (20) are arranged on the sidewall in drain pipe exit, and outlet pipe (6) is gone up near water tank upper wall place also has passage (7).