CN101995103A

CN101995103A - Scale-prevention valve

Info

Publication number: CN101995103A
Application number: CN200910183136XA
Authority: CN
Inventors: 许国春
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-10
Filing date: 2009-08-10
Publication date: 2011-03-30

Abstract

The invention relates to a scale-prevention valve which is a water supply and drainage control part of a solar water heater. The scale-prevention valve comprises a small flexible pipe directly communicated with a working cavity at the upper part of a valve body, and the small flexible pipe is connected with a floater which is arranged in a solar water tank to make a pipeline outlet higher than the water surface. During water supply, the floater floats upwards, and the working cavity is pressurized so that the water level is automatically controlled. When water supply and drainage is not carried out, the pipeline outlet on the floater is higher than the water surface so that the working cavity and an outer water channel are directly communicated with air. A shell is installed at the bottom of the working cavity on the top of the valve body, an inner cavity of the shell is provided with an inner water channel connected with the solar water tank, the outer part of the shell and the inner cavity of the valve body constitute the outer water channel connected with a water pipe, two sets of hydraulic elements for controlling the on-off of water supply and drainage and water-fullness automatic closure during water supply are installed in the working cavity of the valve body and the outer water channel. The scale-prevention valve has the characteristics that when the water supply and drainage is not carried out, water is controlled in the inner water channel of the valve body, and the hydraulic elements are positioned in the air for a long time after the water in the working cavity and the outer water channel is evacuated so that the scale-prevention valve achieves the purpose of scale prevention, thereby the service life of the valve is prolonged.

Description

Anti-incrustation scale valve

A kind of anti-incrustation scale valve, the little gentle pipe that valve body top working chamber is straight-through, be located at solar water container in make pipeline export department be higher than the water surface float be connected.Water level is controlled in the float working chamber supercharging of upwards floating automatically during last water.Not up and down during water, float upper pipeline export department is higher than the water surface makes working chamber and outer water channel straight-through with air, makes after the emptying to be installed in the Hydraulic Elements that working chamber reaches in the outer water channel and to be among the air, thereby reaches the purpose of preventing incrustation scale.It is a mechanical field, is used for the solar water heater water update of control automatically up and down.

Background technology; For the solar water heater industry, it is that everybody expects that a long-life water control system is up and down arranged, can solve appliance controling element is in the high-temperature water, and the hydraulic unit fouling is the difficult problem of the industry always, up to now, also the neither one appliance controling element does not contact with water, and water autocontrol valve about the solar energy of effectively anti-incrustation scale.The present invention is at solar water container not up and down during water, normally closed controllable check valve, water management in the inner lead of valve body.Working chamber after the water emptying in outer water channel and the water pipe, is among the air hydraulic unit that is installed in working chamber and the outer water channel for a long time, prevents fouling.Water does not completely need electrical equipment control from closing.

Summary of the invention; One float is a closure casing, and housing inner chamber bottom is established pipeline independently and is connected with a little gentle pipe from a pass-out of housing, and the top of housing is led in the outlet of pipeline from the housing other end.

One valve body middle and upper part level is to establishing spacer, and spacer makes body cavity form upper and lower cavity, and last top of chamber is established installing port, and an aquaporin and an installing port are established in the cavity of resorption side, and an installing port is established in the bottom.The upper bond of a spacer middle part and a housing.The one side of housing top and bottom is established internal thread, and another side is a straightthrough port, and a water flowing control mouth and an aquaporin are established in the side.The housing inner chamber is an inner lead.Combination is connected with solar water container housing side aquaporin with valve body cavity of resorption side aquaporin, and hull outside is formed outer water channel with the valve body cavity of resorption and is connected with water pipe by Connection Block.Wherein establish at least two passage aisles on the spacer, at least one passage aisle makes epicoele and outer water channel straight-through, another passage aisle be connected with a little gentle pipe again after a tube connector that is located at aquaporin top makes up, little gentle pipe connection is located at the float in the solar water container.

One centre is the T type shrouding of through hole, establishes recessed Cao on the T type shrouding head circumference, interior dress O RunddichtringO, and bar portion establishes external screw thread, and the internal thread of establishing with the one side of housing top and bottom is connected, closure casing oral area and bottom.

One valve gap is installed in a rubber valve plate oral area, rubber valve plate and the valve body epicoele composition working chamber of valve body epicoele. and wherein the rubber valve plate central part is established installing hole.One bottom is the bearing plate of band inner bolt hole boss, is installed in rubber valve plate top, and boss is contained in the rubber valve plate central part installing hole.

Spool, fixed mount, spring, spring base are with the housing side water flowing control mouthful unidirectional hydraulic valve of composition.Housing side check valve and valve body cavity of resorption side installing port over against, form controllable check valve with the electromagnet of installing outside the valve body side.Be used for control water break-make up and down.

The dividing plate that a connecting seat top is established outlet pass to a central part is contained in the installing port of valve body bottom, makes outer water channel cavity of resorption form water flowing control mouth.One T type spool is contained in a water flowing control mouthful bottom, and bar portion is upward through that T type shrouding centre bore is connected with bearing plate afterwards and compositions such as rubber valve plate, spring, pressure regulating seat are often driven hydraulic valve.Effect is that water water and opened often completely from not closing when going up water.One dust cap is installed in the top of valve gap.

Description of drawings; Ask for an interview Fig. 1, a float (31) is a closure casing, and housing inner chamber bottom is established pipeline (32) independently and is connected with a little gentle pipe (34) from a pass-out of housing, and the top of housing is led in the outlet of pipeline (32) from the housing other end.

One valve body (18) middle and upper part level is to establishing spacer, and spacer makes valve body (18) inner chamber form upper and lower cavity, and last top of chamber is established installing port, and an aquaporin and an installing port are established in the cavity of resorption side, and an installing port is established in the bottom.The upper bond of a spacer middle part and a housing (20).The one side of housing (20) top and bottom is established internal thread, and another side is a straightthrough port, and a water flowing control mouth and an aquaporin are established in the side.Housing (20) inner chamber is an inner lead.Combination is connected with solar water container housing (20) side aquaporin with valve body (18) cavity of resorption side aquaporin, and housing (20) is outside to be connected with water pipe by Connection Block (30) with the outer water channel of valve body (18) cavity of resorption composition.Wherein establish at least two passage aisles on the spacer, at least one passage aisle makes epicoele and outer water channel straight-through, is connected with a little gentle pipe (34) after another passage aisle and a tube connector (35) combination that is located at aquaporin top, little gentle pipe (34) connection is located at the float (31) in the solar water container again.

One centre is the T type shrouding (27) of through hole, establishes recessed Cao on T type shrouding (27) the head circumference, interior dress O RunddichtringO (33), and bar portion establishes external screw thread, and the internal thread of establishing with the one side of housing (20) top and bottom is connected, closure casing (20) oral area and bottom.

One valve gap (13) is installed in the oral area of valve body (18) epicoele to a rubber valve plate (17), and rubber valve plate (17) is formed working chamber with valve body (18) epicoele, and wherein rubber valve plate (17) central part is established installing hole.One bottom is the bearing plate (16) of band inner bolt hole boss, is installed in rubber valve plate (17) top, and boss is contained in rubber valve plate (17) the central part installing hole.

Spool (26), fixed mount (25), spring (21), spring base (2) are with housing (20) the side water flowing control mouthful unidirectional hydraulic valve of composition.Housing (20) side check valve and valve body (18) cavity of resorption side installing port over against, form controllable check valve with the electromagnet of installing outside valve body (18) side (19), be used for control water break-make up and down.Dish seal (24) makes electromagnet (19) and valve body (18) side seal.

The dividing plate (28) that a connecting seat (30) top is established outlet pass to a central part is contained in the installing port of valve body (18) bottom, makes outer water channel cavity of resorption form water flowing control mouth.One T type spool (29) is contained in a water flowing control mouthful bottom, and bar portion is upward through that T type shrouding (27) centre bore is connected with bearing plate (16) afterwards and rubber valve plate (17), spring (15), pressure regulating seat compositions such as (14) are often driven hydraulic valve.Effect is that water water and opened often completely from not closing when going up water.One dust cap (11) is installed in the top of valve gap (13).

The specific embodiment; Antiscale valve side aquaporin is connected with the tube connector of bottom, solar water container side, and antiscale valve bottom Connection Block is connected with water pipe, and solenoid circuit is connected with a switch by electric wire, and switch is connected with power supply.To the pipeline of tap, a two-position three way electromagnetic hydraulic valve is installed also at anti-incrustation scale valve, two-position three way electromagnetic hydraulic valve circuit and band timing water-feeding every day and control is gone up water time electrical installation and is connected, every day timing water-feeding water time electrical installation is connected with power supply with controlling upward.Three outlet passes of two-position three way electromagnetic hydraulic valve are connected with the pipeline of tap, anti-incrustation scale valve, running water water source mouth respectively.The outlet pass that two-position three way magnetic valve leads to running water water source mouth pipeline often closes, and leads to the outlet pass and the outlet pass normal open that leads to the anti-scale emptying valve pipeline of tap pipeline.Every day to the last water time that configures, the two-position three way electromagnetic hydraulic valve gets electric, and the outlet pass that the two-position three way electromagnetic hydraulic valve leads to the tap pipeline is closed, and the outlet pass that leads to the running water water supply line is simultaneously opened, and leads to the outlet pass normal open of anti-incrustation scale valve pipeline.Running water flows to the outer water channel of antiscale valve under pressure, the check valve that backs down the housing side enters inner lead and supplies water to solar water container, running water also enters working chamber by being located at working chamber bottom passage aisle simultaneously, again from the straight-through little gentle pipe of working chamber and float inner chamber bottom independently pipeline flow to solar water container, float drives little gentle pipe and upwards floats under the buoyancy of water effect, the working chamber supercharging, arrive the water level of setting, the water flowing control mouth that rubber valve plate makes bearing plate drive T type spool close the outer water channel of anti-incrustation scale valve bottom prevents that the spill-over of solar water container water from going out.The water time one arrives in the control of setting, and the two-position three way electromagnetic hydraulic valve is dead electricity at once, and the outlet pass that the two-position three way battery valve leads to the running water water supply line is closed, and the outlet pass that leads to the tap pipeline is opened, and leads to the outlet pass normal open of anti-incrustation scale valve pipeline.Water in the water pipe loses pressure.The check valve of housing side is closed under the effect of spring force, and in the inner lead of anti-scale emptying valve inner chamber, while T type spool resets under the effect of elastic force the water pass, and the water flowing control mouth of the outer water channel of anti-incrustation scale valve bottom is often opened.Export department is higher than the water surface because of the float upper pipeline, makes the air normal open on the outer water channel of valve body and solar energy water box cavity top, thus water under the gravity effect, flow out from tap, emptying working chamber and the valve body water in water channel and the water pipe outward.During water, switch leaves, and the electromagnet outside the valve body side gets electric, and the iron core in the electromagnet backs down the spool of housing side check valve, and water flows out to tap from solar water container under the gravity effect, not during water as long as Switching Power Supply is turned off.Electromagnet dead electricity outside the valve body side, spring reset spool and iron core, in the inner lead of water pass in body cavity, the water in outer water channel of valve body and the water pipe under the gravity effect from the tap emptying.The hydraulic valve parts that are installed in working chamber and the outer water channel of body cavity are among the air for a long time, thereby reach the purpose of antiscale.

Claims

1. anti-incrustation scale valve, the little gentle pipe that valve body top working chamber is straight-through, be located at solar water container in make pipeline export department be higher than the water surface float be connected.Water level is controlled in the float working chamber supercharging of upwards floating automatically during last water.Not up and down during water, float upper pipeline export department is higher than the water surface makes working chamber and outer water channel straight-through with air, makes after the emptying to be installed in the Hydraulic Elements that working chamber reaches in the outer water channel and to be among the air, thereby reaches the purpose of preventing incrustation scale.It is characterized in that being:

One float is a closure casing, and housing inner chamber bottom is established pipeline independently and is connected with a little gentle pipe from a pass-out of housing, and the top of housing is led in the outlet of pipeline from the housing other end.

One valve gap is installed in the oral area of valve body epicoele to a rubber valve plate, and rubber valve plate and valve body epicoele are formed working chamber, and wherein the rubber valve plate central part is established installing hole.One bottom is the bearing plate of band inner bolt hole boss, is installed in rubber valve plate top, and boss is contained in the rubber valve plate central part installing hole.