CN2722136Y

CN2722136Y - Automatic pipeline drainer of solar water heater

Info

Publication number: CN2722136Y
Application number: CN2004200262862U
Authority: CN
Inventors: 顾逸民
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-04-15
Filing date: 2004-04-15
Publication date: 2005-08-31
Anticipated expiration: 2014-04-15

Abstract

The utility model discloses an automatic pipeline drainer of the solar water heater. A h-shaped device is installed on the bottom part of the internal or external surface of the water storage tank of the solar energy water heater and connected with the upper parts of a water supply pipeline, a water drain pipeline and a by-pass pipe. The lower ends of the water supply and drain pipelines are connected with a pipeline water storage tank or a water storage type electric water heater via a double-purpose valve; the lower end of the by-pass pipe is also connected with the bottom part of the pipeline water storage tank or the water storage type electric water heater but the exit of the by-pass pipe is positioned on the upper part of the pipeline water storage tank or the water storage type electric water heater. In this way, under the condition that either the water inlet valve is closed after the cold water supplement or the arbitrary water use valve is closed after the hot water use, either the pressure loading operation or the open water falling operation can make the water upper and lower pipes drain the water automatically; the automatic pipeline drainer of the solar water heater has energy saving, water saving and convenient use.

Description

The full-automatic pipeline exhausting device of solar water heater

Affiliated field

The utility model relates to daily necessities field, particularly a kind of full-automatic tube emptying defroster of solar water heater.

Background technology

Present known tube solar water heater evacuating pipeline device, because independently emptier is arranged, but its poor stability uses inconvenience, and can cause the waste of thermal water resource.Another kind of automatic emptying device for solar water heater, at every turn when replenishing cold water, must put hot water earlier, replenish cold water when treating in the pipeline water to be arranged again, otherwise it is can cause its internal gas to leak, cause fault, so also inconvenient, and, can accelerate the loss of its internal hot-water heat energy because the upper and lower conduit road is installed in the top of pipeline water storage tank.

Technology contents

The utility model designs the full-automatic pipeline exhausting device of a kind of solar water heater, has overcome above-mentioned deficiency, the problems such as heat-energy losses that solve water on the pipeline effectively, use hot water can not fully automatic operation and can not reduce hot water in the pipeline water storage tank.

The technical solution of the utility model is: bottom in the water storage tank of solar water heater or the bottom outside the water storage tank are equipped with " h " shape device, and be connected with the upper end of upper and lower conduit and bypass pipe, " h " shape functional device structure is such, the logical valve that ends of liquid level is installed in the bottom on the right that " h " shape installs pipes, and cover with screen pack, the logical valve that ends of liquid level also can link to each other with big float in the water storage tank, cooperate with two purpose valve like this and realize to go up the water function of cutting off the water automatically, the bottom on the left side is connected with upper and lower conduit, middle little float has the logical valve that ends of bindiny mechanism and liquid level to link to each other, it directly over it interlock valve, the interlock valve is connected with bypass pipe, the upper orifice that connects bypass pipe in the lower end of bypass pipe must be on the top of pipeline water storage tank or water-storage electric heater inner bag, the lower end of upper and lower conduit is connected two purpose valve connecting pipe water storage tank or water-storage electric heater with the two purpose valve that has reset function and have a double spool.

When needs replenish cold water, open the cold water water intaking valve, the spool that enters pipeline water storage tank direction is closed, and the air in the upper and lower conduit is depressed into the pipeline water storage tank through bypass pipe, cold water enters " h " shape device by upper and lower conduit, little float promotes to go up the interlock valve and cuts out, and the logical valve that ends of liquid level is opened, and cold water enters water storage tank to full, big float promotes the logical valve that ends of liquid level and cuts out, two purpose valve resets, and closes into water, and the spool that the double-purpose spool leads to the pipeline water storage tank is opened.Enter purge routine, the air on pipeline water storage tank top enters " h " shape device through bypass to the interlock valve, and water enters the pipeline water storage tank through upper and lower conduit, realize that the upper and lower conduit road is entirely from the merit emptying, after using hot water, close any place's water valve, purge routine is with top identical.

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is for implementing the full-automatic pipeline exhausting device structural representation of 2 solar water heaters

1 is that water storage tank 2 is that " h " shape device 3 is that screen pack 7 be bypass pipe 8 for use water valve for pipeline water storage tank 5 for two purpose valve 6 for upper and lower conduit road 4 among the figure

A is that the logical valve C of ending of liquid level is that big float D is that little float E is that interlock valve G is a switching valve for water inlet H for check-valves B

Implementation method

As shown in Figure 1: " h " shape device 2 constitutes, the logical valve B of ending of liquid level is installed in the bottom on " h " shape device right side, the logical valve B that ends of liquid level links to each other through linkage with the little float D in left side, also link to each other simultaneously with big float C, be covered with screen pack 6 logical the ending on the valve B of liquid level, connect upper and lower conduit 3 in its left bottom, top is equipped with interlock valve E, and interlock valve E works under the effect of little float D.

Embodiment one, as shown in Figure 1: when needing to replenish cold water, opening the spool that two purpose valve 5 enters pipeline water storage tank 4 closes, cold water enters upper and lower conduit 3, air in it is through " h " shape device 2, bypass pipe 7 is depressed into pipeline water storage tank 4, cold water progresses into " h " shape device 2, little float D come-up, promote interlock valve E and close the path that enters bypass, the logical valve B that ends of liquid level is opened, cold water enters water storage tank 1, big float begins to float full to water, liquid level valve B is closed, the reset function of two purpose valve 5 starts, and opens towards the spool of pipeline water storage tank 4 when closing into water, and purge routine begins, cold water enters pipeline water storage tank 4 by upper and lower conduit 3, compressed gas is simultaneously through bypass pipe 7 in the pipeline water storage tank 4, interlock valve E, " h " shape device 2, like this until water up and down be cold water pipeline 3 in all by row's inlet pipe road water storage tank 4 in, the realization tube emptying.Use when use hot water with water valve 8 arbitrarily, what flow out at first is hot water in the pipeline water storage tank 4, and the pass valve is used water valve 8 arbitrarily, and evacuation procedure is same as described above.

Embodiment two, shown in figure two, when solar water heater needed bearing operation, cold water entered upper and lower conduit road 3 through two purpose valve 5, cold water enters the spool of pipeline water storage tank 4 and closes.Air in the upper and lower conduit road 3 is depressed into " h " shape device 2, bypass pipe 7 enters pipeline water storage tank 4, cold water then enters " h " shape device 2, and along with the increase of cold water, little float D is floated, promoting interlock valve E closes, open the path that water inlet G enters other nearly pipe 7 simultaneously, the logical valve B that ends of liquid level opens simultaneously, and cold water enters the bottom of water storage tank 1, hot water is extruded through delivery port G and enters bypass 7 arrival pipeline water storage tanks 4, and hot water is used with water valve 8.

Close valve water valve 8, cold water stops to enter, and two purpose valve 5 resets, and the pipeline that leads to pipeline water storage tank 4 is opened, compressed air in it enters upper and lower conduit 3, a cold water part flows to pipeline water storage tank 4 with upper and lower conduit 3 through check-valves A, and a part is because " " upwards enter water storage tank 1 with upper and lower conduit 3, little float D's siphon principle descends, interlock valve E resets, water inlet G is closed, and hot water enters pipeline water storage tank 4 with bypass pipe 7, realizes the full-automatic emptying of pipeline.

Consider that a cold day hot and cold water can mix, influencing hot water uses, fall into water so adopt to open wide, open hot water water valve 8, switching valve H on the water storage tank 1 opens air inlet, hot water enters " h " shape device 2 through the logical only valve B of liquid level and enters in the pipeline water storage tank 4 through upper and lower conduit 3, by emitting hot water with water valve 8.

Close valve water valve 8, air enters upper and lower conduit 3, and a part of hot water enters pipeline water storage tank 4, and a part of hot water enters water storage tank 1 and realizes full-automatic emptying until pipeline.

Claims

1, the full-automatic pipeline exhausting device of a kind of solar water heater, mainly comprise that by water storage tank (1) pipeline water storage tank electric heater (4) constitutes, it is characterized in that: the bottom of water storage tank (1) is equipped with " h " shape device (2), is connected with the bottom of bypass pipe (7) from pipeline water storage tank (4) through upper and lower conduit road (3).

2, according to the full-automatic pipeline exhausting device of a kind of solar water heater of claim 1, it is characterized in that: the bottom on described " h " shape device (2) right side connects liquid level valve (B) and check-valves (A) and is covered with screen pack (6), top in its left side is connected with interlock valve (E), and little float (D) is connected with connecting rod with liquid level valve (B).

3, the full-automatic pipeline exhausting device of a kind of solar water heater according to claim 1 and 2 is characterized in that: the top of the mouth of pipe in pipeline water storage tank (4), described bypass pipe (7) lower end.

4, the full-automatic pipeline exhausting device of a kind of solar water heater according to claim 1 and 2 is characterized in that described two purpose valve (5) is the double spool two purpose valve that resets; The top of water storage tank (1) is equipped with switching valve (H), and upper and lower conduit (3) is connected with bypass pipe (7) by check-valves (A) connecting leg below two purpose valve (5), the top of the lower end mouth of pipe of upper and lower conduit (3) in pipeline water storage tank (4).