CN2893552Y - Pipe empting device for solar water heater - Google Patents

Abstract

A pipeline emptying device of solar water heater is provided. The utility model relates to a solar water heater, in particular to a control device that leaves no residual water in the pipeline of the solar water heater. A water pipe is connected with a water tank and the user end, the water outlet of the water tank is provided with a water control device, at the user end is provided with a gas control device, the two devices are connected with each other by a gas pipe, and a water pipe at the water outlet of the water tank is provided with an one-way gas valve. The utility model can achieve the closure and opening of the water outlet of the water tank, the solar water outlet pipeline can be controlled till no water, thus the pipeline will not be frosted; the utility model has low cost, no energy consumption, good effects of water control and frost proof, good water-saving and energy-saving effects; while the solar water heater of the utility model can be used as usual even below zero centigrade degree.

Description

The pipeline exhausting device of solar water heater

Technical field

The utility model relates to solar water heater, relates in particular to a kind of control device that can make the surplus water of noresidue in the solar energy water heater pipe.

Background technology

Be reduced to when subzero at temperature, user's great majority of domestic solar water heater are to take the mode of the surplus water of emptying to protect the water pipe of solar water heater not to be damaged by frost.Present domestic solar water heater is that water pipe is freezing than the fault that is easier to occur, some producer takes auxilliary heat of electricity or the empty device of magnetic valve control to solve the problem that water pipe is endured cold when design, but take these two kinds of antifreezing measures use costs higher, the product price height, life-span is short, the installation and maintenance trouble, it is few to accept equipped user.Even in temperature higher season, people are when using solar energy, and the pipe inner cold water also is not suitable for having a bath, and wastes often; Consumed great amount of water resources.

Summary of the invention

The utility model provides at the bottom of a kind of cost at above defective, reliability height, the pipeline exhausting device of the solar water heater of nothing left water in the mode of employing air pressure closed upper end delivery port realizes managing.

The technical solution of the utility model is: water tank and user side are connected with water pipe, are provided with water control device at the delivery port place of water tank, are provided with the control device of air at user side, and stream oriented device is linked to each other by a tracheae, establishes a Non-return air valve on the water pipe at water outlet of water tank place.

Described water control device comprises a tube, and a tube part places in the water tank, establishes aperture on the tube wall, is provided with air bag in the pipe, air bag respective apertures position, and the air bag air inlet is connected with tracheae, and the air bag oral area is provided with location-plate, location-plate tube connector inwall.

Described control device of air comprises control valve, unidirectional gas cell, and an end of control valve connects unidirectional gas cell by a jockey, and the other end connects tracheae.

Also be provided with the side opening that is communicated with mesopore on the described control valve valve body, be connected a cylinder barrel with side opening, coaxial aperture is established in the barrel bottom, in barrel, establish a coaxial spring, on the spring end face, establish one with the disk of staving internal diameter matched in clearance, the disk upper surface is the plane, connect a bar on the disk, the overhead cover of bar one rubber tube, sheathed sealing ring on the rubber tube outer circumference surface is on the rubber tube, the lower surface is the plane, another interior circle of establishing the tubbiness lid of mesopore connects the cylindrical of above-mentioned barrel, above-mentioned bar stretches out the mesopore of tubbiness lid, the upper surface of the inner bottom surface contact aforementioned tube of tubbiness lid, and the end face of bar is provided with plate.

The axis normal of side opening is in the axis of mesopore,

Described pipe is an elastic tube.

In the mesopore of valve body inlet end, be provided with the sebific duct of a top closure, this pipe cylindrical is established the step circle of a diameter less than body, is provided with the groove that parallels to the axis on the tube wall of this step circle.

Described jockey comprises contiguous block and tube connector, the two ends of contiguous block are provided with stepped hole, two stepped holes are communicated with by an aperture, the stepped hole of the port of export is connected with above-mentioned valve body, the stepped hole bottom surface of entrance point is the plane, screw thread is established in the aperture, in the stepped hole of inlet end, be connected with tube connector, the mesopore of tube connector is a blind hole, establishes the straight hole of an axis normal in the tubular axis line at the tube wall of the tube connector port of export, and this straight hole is communicated with above-mentioned blind hole, establish the external screw thread that is connected with the aperture internal thread on the tube connector, tube connector port of export end face is the plane, establishes sealing ring between the circle in the cylindrical of the tube connector port of export and the contiguous block entrance point stepped hole, and the entrance point of tube connector connects aerating device.

The utility model be provided with at user side one fill, air bleeding valve, be connected to water control valve in the water tank by a tracheae, can realize the sealing of water outlet of water tank and open-minded; When delivery port seals, the surplus water in the pipe is flow back to the user side utilization, anhydrous in the solar energy outlet conduit behind the surplus water of emptying, pipeline is freezed; When needs use in the solar energy hot water, the venting bar of light voltage-controlled device of air, the air bag of sealing delivery port water pipe is replied normality, and outlet pipeline is communicated with, water outlet.At the bottom of the utility model cost, no energy consumption, control water good freezing protection effect has good water saving, energy-conserving action; Even when the temperature subzero, adopt solar water heater of the present utility model also can use as usual.

Description of drawings

Fig. 1 is the structural representation of the utility model water control device

1 is water among the figure, the 2nd, and plug, the 3rd, air bag, the 4th, outlet pipe, the 5th, water tank, the 6th, the side opening on the outlet pipe, the 7th, location-plate, the 8th, tracheae;

Fig. 2 is the structural representation of the utility model control device of air

9 is valve bodies among the figure, the 10th, and barrel, the 11st, tubbiness lid, the 12nd, disk, the 13rd, plate, the 14th, bar, the 15th, pipe, the 16th, sealing ring, the 17th, spring, the 18th, sebific duct;

Fig. 3 is the structural representation of the utility model jockey contiguous block

19 is contiguous blocks among the figure;

Fig. 4 is the structural representation of the utility model jockey connector

20 is sealing rings among the figure, the 21st, and connector.

Fig. 5 is that the utility model water control device is connected the outer embodiment schematic diagram of water tank

22 is outer tubes among the figure, the 23rd, and Non-return air valve.

The specific embodiment

Establish a water control device in water tank 5, be provided with the control device of air at user side, water control device is connected a tracheae 8 with controlling between device of air, establishes a Non-return air valve 23 on the water pipe at water tank 5 delivery port places.

Water control device is: a pipe 4 tube walls are established some apertures 6, and to being provided with air bag 3 by aperture, diameter is less than pipe 4 internal diameters when normality for air bag 3 in this pipe 4, and air bag 3 air inlets connect above-mentioned tube connector 8.The end of air bag 3 is provided with location-plate 7, and air bag 3 is provided with a sealing-plug 2 with tracheae 8 junctions.

The control device of air comprises control valve, the unidirectional gas cell of hand held, and an end of control valve connects the unidirectional gas cell of hand held by a jockey 19,21, and the other end connects above-mentioned tracheae 8.

The control valve of control device of air is: one establishes the valve body 9 of mesopore, also be provided with the side opening of axis normal on the valve body 9 in middle axially bored line, side opening is communicated with mesopore, be connected a cylinder barrel 10 with side opening, coaxial aperture is established in barrel 10 bottoms, this aperture runs through 10 ends of barrel, in barrel 10, establish a coaxial spring 17, on spring 17 end faces, establish one with the disk 12 of staving 10 internal diameter matched in clearance, connect a coaxial bar 14 on the disk 12, bar 14 overhead cover one pipes 15, manage sheathed sealing ring 16 on 15 outer circumference surfaces, another interior circle of establishing the tubbiness lid 11 of mesopore connects the cylindrical of above-mentioned barrel 10, and above-mentioned bar 14 runs through the mesopore of tubbiness lid 11, the upper surface of the inner bottom surface contact aforementioned tube 15 of tubbiness lid 11, the end face of bar 14 is provided with plate 13.

In the mesopore of valve body 9 inlet ends, be provided with the sebific duct 18 of a top closure, this is managed 18 cylindricals and establishes the step circle of a diameter less than body, is provided with the groove that parallels to the axis on the tube wall of this step circle.

Jockey is: a contiguous block 19, two ends are provided with stepped hole, two stepped holes are communicated with by an aperture, the stepped hole of the port of export is connected with control valve valve body 9, the stepped hole bottom surface of entrance point is the plane, screw thread is established in the aperture, in the stepped hole of inlet end, be provided with connector 21, connector 21 mesopores are blind hole, establish the straight hole of an axis normal at the tube wall of connector 21 ports of export in the tubular axis line, this straight hole is communicated with above-mentioned blind hole, establish the external screw thread that is connected with the aperture internal thread on the connector 21, connector 21 port of export end faces are the plane, establish sealing ring 20 between the circle in the cylindrical of connector 21 ports of export and the contiguous block 19 entrance point stepped holes, and the entrance point of connector 21 connects the unidirectional gas cell of hand held.

The utility model can also have another kind of embodiment, and water control device is arranged on outside the water tank, connects the water tank intake-outlet.In the present embodiment, connect an outer tube 22 at the delivery port place of water tank 5 bottoms, above-mentioned water control device is located in the outer tube 22, and the other end of outer tube 22 connects water pipe and check valve 23.

When air bag 3 inflations, the side opening 6 on the sealed tube, water 1 is separated with pipeline, and the water 1 in the water tank 5 can not enter pipeline, and after air bag 3 venting, water 1 is communicated with pipeline.

Claims (8)

1, the pipeline exhausting device of solar water heater, water tank and user side are connected with water pipe, it is characterized in that, delivery port place at water tank is provided with water control device, be provided with the control device of air at user side, stream oriented device is linked to each other by a tracheae, establishes a Non-return air valve on the water pipe at water outlet of water tank place.

2, the pipeline exhausting device of solar water heater according to claim 1, it is characterized in that, described water control device comprises a tube, a tube part places in the water tank, establishes aperture on the tube wall, is provided with air bag in the pipe, air bag respective apertures position, the air bag air inlet is connected with tracheae, and the air bag oral area is provided with location-plate, location-plate tube connector inwall.

3, the pipeline exhausting device of solar water heater according to claim 1 is characterized in that, described control device of air comprises control valve, unidirectional gas cell, and an end of control valve connects unidirectional gas cell by a jockey, and the other end connects tracheae.

4, the pipeline exhausting device of solar water heater according to claim 3, it is characterized in that, also be provided with the side opening that is communicated with mesopore on the described control valve valve body, be connected a cylinder barrel with side opening, coaxial aperture is established in the barrel bottom, in barrel, establish a coaxial spring, on the spring end face, establish one with the disk of staving internal diameter matched in clearance, the disk upper surface is the plane, connect a bar on the disk, the overhead cover of bar one rubber tube, sheathed sealing ring on the rubber tube outer circumference surface is on the rubber tube, the lower surface is the plane, another interior circle of establishing the tubbiness lid of mesopore connects the cylindrical of above-mentioned barrel, above-mentioned bar stretches out the mesopore of tubbiness lid, the upper surface of the inner bottom surface contact aforementioned tube of tubbiness lid, and the end face of bar is provided with plate.

5, the pipeline exhausting device of solar water heater according to claim 4 is characterized in that, the axis normal of side opening is in the axis of mesopore.

6, the pipeline exhausting device of solar water heater according to claim 4 is characterized in that, described pipe is an elastic tube.

7, the pipeline exhausting device of solar water heater according to claim 4, it is characterized in that, in the mesopore of valve body inlet end, be provided with the sebific duct of a top closure, this pipe cylindrical is established the step circle of a diameter less than body, is provided with the groove that parallels to the axis on the tube wall of this step circle.

8, the pipeline exhausting device of solar water heater according to claim 3, it is characterized in that, described jockey comprises contiguous block and tube connector, the two ends of contiguous block are provided with stepped hole, two stepped holes are communicated with by an aperture, the stepped hole of the port of export is connected with above-mentioned valve body, the stepped hole bottom surface of entrance point is the plane, screw thread is established in the aperture, in the stepped hole of inlet end, be connected with tube connector, the mesopore of tube connector is a blind hole, establishes the straight hole of an axis normal in the tubular axis line at the tube wall of the tube connector port of export, and this straight hole is communicated with above-mentioned blind hole, establish the external screw thread that is connected with the aperture internal thread on the tube connector, tube connector port of export end face is the plane, establishes sealing ring between the circle in the cylindrical of the tube connector port of export and the contiguous block entrance point stepped hole, and the entrance point of tube connector connects aerating device.

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