CN103292015B - Automatic liquid level control valve - Google Patents
Automatic liquid level control valve Download PDFInfo
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- CN103292015B CN103292015B CN201310262437.8A CN201310262437A CN103292015B CN 103292015 B CN103292015 B CN 103292015B CN 201310262437 A CN201310262437 A CN 201310262437A CN 103292015 B CN103292015 B CN 103292015B
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Abstract
The invention discloses an automatic liquid level control valve and relates to a liquid level control device and a water supplement device of a solar water heater. The automatic liquid level control valve is mainly composed of a valve seat, an inner valve shell, a valve plate, a decompression valve element, a floater and an outer valve shell, wherein a water inlet channel is arranged in the valve seat, an outlet of the water inlet channel is of an upturned horn mouth structure, the lower end of the inner valve shell is connected to the edge mouth of the upturned horn mouth structure, the lower end of the outer valve shell is installed at the upper end of the valve seat, a valve cavity is formed inside the inner valve shell, a water chamber is formed between the inner valve shell and the outer valve shell, the floater is arranged in the water chamber, the valve plate and the decompression valve element are arranged in the valve cavity, a damping column is arranged in the water inlet channel and is provided with a connecting rod, and the connecting rod on the damping column is connected to the end at the lower portion of the decompression valve element. The automatic liquid level control valve is suitable for being applied to solar water heaters, water tanks of central heating systems, water towers and fire pools of industrial and mining enterprises, and water supplement tanks and oil tanks of boilers.
Description
Technical field
The present invention relates to the water replenishing device of fluid level control device and solar water heater, be related specifically to a kind of moisturizing valve.
Background technique
People are in life with in producing, all need reservoir, comprise the heat-insulating water tanks of solar water heater, the water tank of central heating system, the water tower of industrial and mining enterprise, fire-water pond and boiler replenishing water case, fuel tank etc., apply automatic liquid-level control device in such devices and carry out moisturizing and can save artificial and prevent water resource waste.When adopting tap water to carry out moisturizing to above-mentioned reservoir, it is convenient and economical that application altitude valve carries out moisturizing.But existing altitude valve is a kind of float valve, ball float and connecting rod outside valve body, exist install and use inconvenience, easy to failure, be not closed completely the shortcoming such as closely easily to leak, working life is short.
Solar energy is a kind of inexhaustible Natural re generation energy, is the clear energy sources that everyone can both share.Current, the mankind, to the utilization of solar energy, make remarkable progress, and particularly in solar water heater field, apply very universal.Domestic solar water heater is made up of vacuum glass tube heat collector and heat-insulating water tanks, usually be all arranged on roof, hot water outlet on heat-insulating water tanks and running water inlet share an interface, be arranged on the bottom of heat-insulating water tanks, the double spilling water outlet of exhaust is arranged at the top of heat-insulating water tanks, when water-refilling operation need be carried out to solar water heater, user is manual unlocking valve at home, tap water just enters into heat-insulating water tanks by the hot water outlet of hot-water line and heat-insulating water tanks bottom, after water in heat-insulating water tanks supplements and meets, just exported by the spilling water on heat-insulating water tanks top and flow out through overflow pipe, after user finds that overflow pipe there are flowing out, valve closing is stopped moisturizing.The shortcoming that such manually-operable exists is: one, lost labor's time; Two, due to the waste of water resources can not be caused by throttle down in time; Three, when moisturizing, user can not use hot water; Four, in a period of time after moisturizing, user does not have hot water to use.
Summary of the invention
The object of the invention is shortcoming and the solution solar water heater automatic makeup water problem that will overcome existing altitude valve, design the autocontrol valve of the tight water-tight and long service life of a kind of easy to install, reliable operation, closedown, save the time of people, and avoid waste water resource.When solar water heater is applied, exhaust overflow is not established on the top of heat-insulating water tanks, hot water outlet and moisturizing import are separately arranged separately, hot water outlet is arranged on the top of heat-insulating water tanks, and moisturizing import is arranged on the bottom of heat-insulating water tanks opposite side, realizes the instant moisturizing of solar water heater, output hot water and moisturizing do not interfere with each other, when moisturizing, user still normally can use hot water, makes people can use solar water heater more easily.
The first automatic liquid level control valve of the present invention, it is characterized in that control valve forms primarily of valve seat (13), interior valve casing (7), valve plate (9), pressure releasing valve core (18), float (2) and outer valve casing (3), wherein, valve seat (13) is cylindrical structure, intake tunnel (16) is had in valve seat (13), intake tunnel (16) is vertically arranged, the outlet of intake tunnel (16) is in bell-mouth structure of air upward, the lower end of interior valve casing (7) is connected on the bead of bell-mouth structure of air, and the lower end of outer valve casing (3) is arranged on the upper end of valve seat (13); The interior space of interior valve casing (7) forms valve pocket (10), the internal valve shell wall body of valve pocket (10) side there is sealing surface a(20), at sealing surface a(20) the internal valve shell wall body on top has water outlet duct a(5), the shell top of interior valve casing (7) there is vertical and through slideway (24), space between interior valve casing (7) and outer valve casing (3) forms hydroecium (4), when control valve is opened, valve pocket (10) is by water outlet duct a(5) be communicated to hydroecium (4); Float (2) is arranged in hydroecium (4); Valve plate (9) and pressure releasing valve core (18) are arranged in valve pocket (10), there are pressure release duct (22) and sealing surface b(21 in the center of valve plate (9)), valve rod (23) is arranged at the top of pressure releasing valve core (18), and valve rod (23) is connected on the float (2) in hydroecium through the slideway (24) on the pressure release duct (22) on valve plate (9), interior valve casing (7); Valve seat (13) has into water interface (15), water inlet interface (15) is communicated to intake tunnel (16), damping column (14) is had in intake tunnel (16), damping column (14) there is connecting rod (17), connecting rod (17) on damping column is connected on the termination of pressure releasing valve core (18) bottom, when control valve is closed, damping column (14) is in the water inlet position of intake tunnel (16); The wall body of the outer valve casing (3) of hydroecium (4) low level has water outlet mouthpiece (8) to pick out, and the top of outer valve casing (3) has exhaust port (1) to pick out, and exhaust port (1) is communicated to the space on hydroecium (4) top.In the present invention, pressure releasing valve core (18) has snap ring and seal ring (19), and seal ring (19) is fixed by snap ring; When control valve is closed, the seal ring (19) on pressure releasing valve core (18) and the sealing surface b(21 at valve plate (9) center) close.
The second automatic liquid level control valve of the present invention, it is characterized in that substituting pressure releasing valve core (18) with pressure release piston (29), top and the valve rod (23) of pressure release piston (29) are connected as a single entity, pressure release piston (29) has seal ring (30), pressure release piston (29) and seal ring (30) are placed in the pressure release duct (22) at valve plate (9) center; Valve plate (9) has pressure-releasing hole (26), when pressure release piston (29) is opened, valve pocket (10) by pressure-releasing hole (26) through the top of pressure release duct (22), water outlet duct a(5) be communicated to hydroecium (4); Connecting rod (17) on damping column is connected on the termination of pressure release piston (29) bottom.
In above-mentioned the first or the second automatic liquid level control valve, valve plate (9) has annular bayonet socket and sealing gasket (6), and sealing gasket (6) is fixed by annular bayonet socket; When control valve is closed, the sealing gasket (6) on valve plate (9) and the sealing surface a(20 on internal valve shell wall body) close; Connecting rod (17) on damping column is by draw ring b(12) and draw ring a(11) be connected to pressure releasing valve core (18) bottom termination on or be connected on the termination of pressure release piston (29) bottom; Water outlet duct a(5 on interior valve casing (7)) be more than three.
When above-mentioned invention is applied on solar water heater, the hot water outlet of heat-preserving water tank for solar water heater and moisturizing import are separately arranged separately, and hot water outlet is arranged on the top of heat-insulating water tanks, and moisturizing import is arranged on the bottom of heat-insulating water tanks opposite side; The water inlet interface (15) of autocontrol valve is connected on water supply pipe by moisturizing pipeline and water supply valve, the water outlet mouthpiece (8) of autocontrol valve is connected to the moisturizing import of heat-insulating water tanks bottom, the exhaust port (1) of autocontrol valve installs emptying pipe, or the exhaust port of autocontrol valve (1) is connected to swelling water tank, arranges pneumostome on the top of swelling water tank; The height being arranged on a little higher than heat-preserving water tank for solar water heater top of autocontrol valve, too high pressure is born to avoid heat-insulating water tanks, there is automatic control pressure vent at the top of heat-insulating water tanks, automatically to get rid of the air in heat-insulating water tanks, make easy topped up with water in heat-insulating water tanks.The diameter of the valve plate (9) in autocontrol valve needs to be designed to more than 25mm according to flow, and the valve core diameter of Decompression valves is designed to about 5mm.
Foregoing invention in use, the water supply valve of tap water is round-the-clock to be opened, when carrying out moisturizing, tap water enters into valve pocket (10) by the water inlet interface (15) of control valve, intake tunnel (16), again by water outlet duct a(5) enter into hydroecium (4), then flowed out by water outlet mouthpiece (8), heat-insulating water tanks is entered into by the moisturizing import of connecting tube and heat-insulating water tanks bottom, because automatic control pressure vent is arranged at the top at heat-insulating water tanks, water can be made to be full of the interior space of whole heat-insulating water tanks; After being full of water in heat-insulating water tanks, water level in control valve rises, float (2) is made to increase, thus drive pressure releasing valve core (18) and valve plate (9) to rise, or drive pressure release piston (29) and valve plate (9) to rise, make the seal ring (19) on pressure releasing valve core (18) and the sealing surface b(21 on valve plate (9)) closed, or seal ring (30) is closed pressure-releasing hole (26), sealing gasket (6) on valve plate (9) and the sealing surface a(20 on interior valve casing (7) wall body) closed, control valve is closed, and stops moisturizing.When control valve is closed, the pressure in valve pocket (10) is from the hydraulic pressure of tap water, and equal with the pressure of tap water, and valve plate (9) and pressure releasing valve core (18) make control valve close very tightly under the pressure effect of tap water, guarantee to leak.When user uses hot water to make the hot water of heat-insulating water tanks flow out, heat-insulating water tanks is just drawn water from control valve and is supplemented, make hydroecium (4) water level decreasing in control valve, due to pressure releasing valve core (18) or pressure release piston (29) cross section little, the pressure that pressure releasing valve core (18) or pressure release piston (29) are born is very little, when water level decreasing in hydroecium (4), float (2) is along with whereabouts, the gravity of float (2) makes pressure releasing valve core (18) easily depart from sealing surface b(21), or make pressure release piston (29) fall open pressure-releasing hole (26), thus the pressure in valve pocket (10) is discharged by pressure release duct (22), at this moment, damping column (14) in intake tunnel (16) plays the effect slowing down tap water pressure, to guarantee step-down smoothly in valve pocket (10), after the pressure in valve pocket (10) reduces, valve plate (9) just falls smoothly, make valve pocket (10) by water outlet duct a(5) with hydroecium (4) conducting, the water in valve pocket (10) is just by water outlet duct a(5), hydroecium (4) carries out moisturizing to heat-insulating water tanks, fall behind under valve plate (9), pressure releasing valve core (18) or pressure release piston (29) fall along with continuation, and damping column (14), along with below the water inlet dropping to intake tunnel (16), makes the unimpeded water flow of intake tunnel (16) increase.When stopping using the hot water of heat-insulating water tanks, control valve also will stop moisturizing, realize synchronous moisturizing, exempt the worry of user's artificial recharge, and need not worry that the water in heat-insulating water tanks can be finished.
Above-mentioned invention, when control valve is closed, utilizes the pressure of tap water that valve plate (9) and pressure releasing valve core (18) are closed tight, guarantees not leak, damping column (14) is set in intake tunnel (16), its effect is when pressure releasing valve core (18) is opened valve pocket (10) pressure release, damping column (14) can temporarily stop tap water to enter in valve pocket (10), so that valve pocket (10) pressure release smoothly, valve plate (9) is made to open in time, after valve plate (9) is opened, damping column (14) can fall along with pressure releasing valve core (18) or pressure release piston (29) and fall, make the current of intake tunnel (16) unimpeded, smooth moisturizing, once after valve plate (9) unlatching, must after the water of heat-insulating water tanks fills, water level in hydroecium (4) rises and makes float (2) rising that valve plate (9) just can be made to close, in the present invention the connecting rod (17) on damping column by draw ring b(12) and draw ring a(11) be connected to pressure releasing valve core (18) bottom termination on or be connected on the termination of pressure release piston (29) bottom, be the flexibility in order to avoid water currents damping column (14), valve plate (9), pressure releasing valve core (18) rise or fall.Autocontrol valve outside of the present invention does not have ball float and connecting rod, inner moving element float (2), valve plate (9), pressure releasing valve core (18) and damping column (14) only move up and down vertically, have that structure is simple, the feature of reliable operation, the tight water-tight and long service life of closedown, and easy to install.
After solar energy is the water heating in heat-insulating water tanks, in heat-insulating water tanks, the volume of water can expand, the water expanded in heat-insulating water tanks turns back in autocontrol valve by the moisturizing import of heat-insulating water tanks bottom and connecting pipe, then overflowed by the emptying pipe on autocontrol valve top, in order to avoid waste water resource, swelling water tank can be set in the periphery of solar water heater, the exhaust port of autocontrol valve (1) is connected to swelling water tank, on the top of swelling water tank, pneumostome is set, utilize swelling water tank to the water receiving heat-insulating water tanks to expand, do not have water to overflow, avoid waste water resource.When there being people to use hot water, the water in swelling water tank can turn back in heat-insulating water tanks by autocontrol valve, makes heat-insulating water tanks export hot water smoothly, and after rolling, autocontrol valve can carry out moisturizing with tap water to heat-insulating water tanks to the water in swelling water tank.Supplementing water enters heat-insulating water tanks from the moisturizing import of heat-insulating water tanks bottom, proportion due to cold water is greater than the proportion of hot water, the top of heat-insulating water tanks can not be channeled to after supplementing water enters heat-insulating water tanks, can only be to be heated in the bottom of heat-insulating water tanks etc., and hot water is collected at the top of heat-insulating water tanks, the hot water that user needs exports from the hot water outlet on heat-insulating water tanks top, therefore, the instant moisturizing of heat-insulating water tanks can not have influence on the output of hot water, emptying pipe is set at the top of autocontrol valve or pneumostome is set on the top of swelling water tank, heat-insulating water tanks can be made to export hot water and moisturizing smoothly smoothly.
It is generally acknowledged, the hot water of domestic solar water heater exports from the bottom of heat-insulating water tanks and hot water output port doubles as tap water inlet opening, the way arranging exhaust overflow on the top of heat-insulating water tanks is rational, can make hot water from heat-insulating water tanks, flow out the hot water tap arriving user smoothly, after in heat-insulating water tanks, hot water is finished or when not using hot water, user opens running water valve, tap water is allowed to carry out moisturizing by the hot water output port of heat-insulating water tanks bottom to heat-insulating water tanks by hot water conveying pipe, after the water of heat-insulating water tanks fills, water is had to flow out from overflow, after user finds overflow water outlet, close running water valve and stop moisturizing.The shortcoming done like this is, user can not carry out moisturizing when using hot water, after moisturizing, in heat-insulating water tanks, hot water is pushed up and is run off from overflow to top or hot water, hot water can not from the outlet water outlet of heat-insulating water tanks bottom, need wait until that the water of heat-insulating water tanks bottom is had hot water to use by solar energy heating rear, user can not use hot water in time, consuming time longer, and there is the phenomenon of waste water resource.Exhaust overflow is not established on the top of heat-insulating water tanks as adopted, hot water outlet and moisturizing import are separately arranged separately, hot water outlet is arranged on the top of heat-insulating water tanks, moisturizing import is arranged on the bottom of heat-insulating water tanks opposite side, in the outside of heat-insulating water tanks, autocontrol valve is installed, tap water carries out instant moisturizing by autocontrol valve to heat-insulating water tanks, solar water heater output hot water and water-refilling operation are not interfere with each other, achieve the synchronous water supplementing method that limit goes out the moisturizing of hot water limit, make that user is round-the-clock can use hot water, also need not worry that the water of solar water heater can be finished.Water hot water outlet is arranged on the top of heat-insulating water tanks, more meets the natural law, because can rise after heating up, in heat-insulating water tanks, hot water is collected at top, and the water must not waiting in heat-insulating water tanks all heats just has hot water to export, thus hot water effluent's speed is accelerated; After supplementing water enters heat-insulating water tanks, being trapped in the bottom of heat-insulating water tanks, being heated at any time when there being sunlight, improve solar water heater efficiency.Arrange emptying pipe at the top of autocontrol valve or arrange pneumostome at the upper position of swelling water tank, make heat-insulating water tanks be in normal pressure level, do not have positive pressure or negative pressure appearance, meanwhile, when user uses hot water, the hot water of heat-insulating water tanks can flow out smoothly.
The using scope of foregoing invention comprises solar water heater, the water tank of central heating system, the water tower of industrial and mining enterprise, fire-water pond and boiler replenishing water case, the automatic water level of fuel tank controls.
The invention has the beneficial effects as follows: a kind of autocontrol valve of design, be adapted at solar water heater, the water tank of central heating system, the water tower of industrial and mining enterprise, fire-water pond and boiler replenishing water case, fuel tank are applied.When applying at solar water heater, automatic synchronization moisturizing during use solar water, exports hot water and moisturizing does not interfere with each other, when moisturizing, user still normally can use hot water, makes people can use solar water heater more easily, save the time of people, and avoid waste water resource.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural drawing with the automatic liquid level control valve of pressure releasing valve core of the present invention.
Accompanying drawing 2 is a kind of structural drawing with the automatic liquid level control valve of pressure release piston of the present invention.
Accompanying drawing 3 is the A-A sectional drawings in accompanying drawing 1 or accompanying drawing 2.
In figure: 1. exhaust port, 2. float, 3. outer valve casing, 4. hydroecium, 5. water outlet duct a, 6. sealing gasket, 7. valve casing in, 8. water outlet mouthpiece, 9. valve plate, 10. valve pocket, 11. draw ring a, 12. draw ring b, 13. valve seats, 14. damping columns, 15. water inlet interfaces, 16. intake tunnels, the connecting rod of 17. damping columns, 18. pressure releasing valve cores, 19. seal rings, 20. sealing surface a, 21. sealing surface b, 22. pressure release ducts, 23. valve rods, the slideway of 24. valve rods, 25. positive stop ends, 26. pressure-releasing hole, 27. gimbals, 28. pressure balance ducts, 29. pressure release pistons, 30. seal rings, 31. limited location snap rings.
Embodiment
In embodiment shown in embodiment 1 accompanying drawing 1, automatic liquid level control valve forms primarily of valve seat (13), interior valve casing (7), valve plate (9), pressure releasing valve core (18), float (2) and outer valve casing (3), wherein, valve seat (13) is cylindrical structure, intake tunnel (16) is had in valve seat (13), intake tunnel (16) is vertically arranged, the outlet of intake tunnel (16) is in bell-mouth structure of air upward, the lower end of interior valve casing (7) is connected on the bead of bell-mouth structure of air, and the lower end of outer valve casing (3) is arranged on the upper end of valve seat (13); The interior space of interior valve casing (7) forms valve pocket (10), the internal valve shell wall body of valve pocket (10) side there is sealing surface a(20), at sealing surface a(20) the internal valve shell wall body on top has water outlet duct a(5), the shell top of interior valve casing (7) there is vertical and through slideway (24), space between interior valve casing (7) and outer valve casing (3) forms hydroecium (4), when control valve is opened, valve pocket (10) is by water outlet duct a(5) be communicated to hydroecium (4); Float (2) is arranged in hydroecium (4); Valve plate (9) and pressure releasing valve core (18) are arranged in valve pocket (10), there are pressure release duct (22) and sealing surface b(21 in the center of valve plate (9)), valve rod (23) is arranged at the top of pressure releasing valve core (18), and valve rod (23) is connected on the float (2) in hydroecium through the slideway (24) on the pressure release duct (22) on valve plate (9), interior valve casing (7); Valve seat (13) has into water interface (15), water inlet interface (15) is communicated to intake tunnel (16), damping column (14) is had in intake tunnel (16), damping column (14) there is connecting rod (17), connecting rod (17) on damping column is connected on the termination of pressure releasing valve core (18) bottom, when control valve is closed, damping column (14) is in the water inlet position of intake tunnel (16); The wall body of the outer valve casing (3) of hydroecium (4) low level has water outlet mouthpiece (8) to pick out, and the top of outer valve casing (3) has exhaust port (1) to pick out, and exhaust port (1) is communicated to the space on hydroecium (4) top.In the present embodiment, pressure releasing valve core (18) has snap ring and seal ring (19), and seal ring (19) is fixed by snap ring; When control valve is closed, the seal ring (19) on pressure releasing valve core (18) and the sealing surface b(21 at valve plate (9) center) close; Valve plate (9) has annular bayonet socket and sealing gasket (6), and sealing gasket (6) is fixed by annular bayonet socket; When control valve is closed, the sealing gasket (6) on valve plate (9) and the sealing surface a(20 on internal valve shell wall body) close; Connecting rod (17) on damping column is by draw ring b(12) and draw ring a(11) be connected to pressure releasing valve core (18) bottom termination on or be connected on the termination of pressure release piston (29) bottom; Water outlet duct a(5 on interior valve casing (7)) be eight.When the present embodiment is applied on solar water heater, the hot water outlet of heat-preserving water tank for solar water heater and moisturizing import are separately arranged separately, and hot water outlet is arranged on the top of heat-insulating water tanks, and moisturizing import is arranged on the bottom of heat-insulating water tanks opposite side; The water inlet interface (15) of autocontrol valve is connected on water supply pipe by moisturizing pipeline and water supply valve, the water outlet mouthpiece (8) of autocontrol valve is connected to the moisturizing import of heat-insulating water tanks bottom, the exhaust port (1) of autocontrol valve installs emptying pipe, or the exhaust port of autocontrol valve (1) is connected to swelling water tank, arranges pneumostome on the top of swelling water tank; The height being arranged on a little higher than heat-preserving water tank for solar water heater top of autocontrol valve, too high pressure is born to avoid heat-insulating water tanks, there is automatic control pressure vent at the top of heat-insulating water tanks, automatically to get rid of the air in heat-insulating water tanks, make easy topped up with water in heat-insulating water tanks.The diameter of the valve plate (9) in autocontrol valve needs to be designed to 25mm according to flow, and the valve core diameter of Decompression valves is designed to 5mm; The sealing gasket of silica gel material selected by sealing gasket (6) and seal ring (19), and valve plate (9), pressure releasing valve core (18), damping column (14) select nonpoisonous plastic material, and other parts select stainless steel material.
A kind of autocontrol valve during embodiment 2 is embodiment illustrated in fig. 2, substitute pressure releasing valve core (18) with pressure release piston (29), top and the valve rod (23) of pressure release piston (29) are connected as a single entity, pressure release piston (29) there are seal ring (30), gimbal (27) and positive stop end (25), seal ring (30) is on the top of pressure release piston (29), gimbal (27) is in the bottom of pressure release piston (29), and pressure release piston (29), seal ring (30) and gimbal (27) are placed in the pressure release duct (22) at valve plate (9) center, positive stop end (25) is outside pressure release duct (22), and the diameter of spacing termination (25) is greater than the diameter of pressure release duct (22), and when float (2) drives pressure release piston (29) to rise, spacing termination (25) drive valve plate (9) and then to rise, the termination of pressure release piston (29) bottom is connected on the connecting rod (17) on damping column, the upper increase of valve plate (9) has pressure-releasing hole (26) and pressure balance duct (28), when carrying out moisturizing, water level decreasing in control valve, float (2) is made to drive pressure release piston (29) to fall, fall behind under pressure release piston (29), seal ring (30) is along with below the outlet dropping to pressure-releasing hole (26), make pressure-releasing hole (26) conducting, valve pocket (10) is by the top of pressure-releasing hole (26) through pressure release duct (22), water outlet duct a(5) be communicated to hydroecium (4), valve pocket (10) internal pressure is discharged, valve plate (9) falls subsequently, water in valve pocket (10) is by water outlet duct a(5) enter into hydroecium (4), exported by water outlet mouthpiece (8) again, water-refilling operation is carried out to heat-insulating water tanks, when moisturizing completes, water level in control valve rises, and make float (2) drive pressure release piston (29) and valve plate (9) to rise, seal ring (30) closes pressure-releasing hole (26) and valve plate (9) closes, control valve is closed, in valve pocket (10), keeps the hydraulic pressure of tap water.When pressure release piston (29) is opened or close, valve pocket (10) is all communicated between seal ring (30) on pressure release piston (29) and gimbal (27) by pressure balance duct (28), pressure release piston (29) is in the equal pressure environment of valve pocket (10), makes pressure release piston (29) resistance when rising or decline little.The further feature of the present embodiment and the identical of the 1st embodiment, repeat no more.
Embodiment 2 is on the basis of the 1st embodiment or the 2nd embodiment, in the periphery of solar water heater, swelling water tank is set, the exhaust port of autocontrol valve (1) is connected to the bottom of swelling water tank, on the top of swelling water tank, pneumostome is set, utilize swelling water tank to the water receiving heat-insulating water tanks to expand, after solar energy is the water heating in heat-insulating water tanks, in heat-insulating water tanks, the volume of water can expand, the water expanded in heat-insulating water tanks turns back in autocontrol valve by the moisturizing import of heat-insulating water tanks bottom and connecting pipe, then enter in swelling water tank by autocontrol valve, make it not have water to overflow, avoid waste water resource.When there being people to use hot water, the water in swelling water tank can synchronously turn back in heat-insulating water tanks by autocontrol valve, and make heat-insulating water tanks export hot water smoothly, after rolling, autocontrol valve can carry out moisturizing with tap water to heat-insulating water tanks to the water in swelling water tank.In the present embodiment, supplementing water enters heat-insulating water tanks from the moisturizing import of heat-insulating water tanks bottom, and the proportion due to cold water is greater than the proportion of hot water, and supplementing water is trapped in bottom of heat-insulating water tanks etc. after entering heat-insulating water tanks to be heated, and hot water is collected at the top of heat-insulating water tanks, for user at any time, pneumostome is set on the top of swelling water tank, makes heat-insulating water tanks be in normal pressure level, do not have positive pressure or negative pressure appearance, meanwhile, when user uses hot water, the hot water of heat-insulating water tanks can flow out smoothly.
Claims (6)
1. an automatic liquid level control valve, it is characterized in that control valve forms primarily of valve seat (13), interior valve casing (7), valve plate (9), pressure releasing valve core (18), float (2) and outer valve casing (3), wherein, valve seat (13) is cylindrical structure, intake tunnel (16) is had in valve seat (13), intake tunnel (16) is vertically arranged, the outlet of intake tunnel (16) is in bell-mouth structure of air upward, the lower end of interior valve casing (7) is connected on the bead of bell-mouth structure of air, and the lower end of outer valve casing (3) is arranged on the upper end of valve seat (13); The interior space of interior valve casing (7) forms valve pocket (10), the internal valve shell wall body of valve pocket (10) side there is sealing surface a(20), at sealing surface a(20) the internal valve shell wall body on top has water outlet duct a(5), the shell top of interior valve casing (7) there is vertical and through slideway (24), space between interior valve casing (7) and outer valve casing (3) forms hydroecium (4), when control valve is opened, valve pocket (10) is by water outlet duct a(5) be communicated to hydroecium (4); Float (2) is arranged in hydroecium (4); Valve plate (9) and pressure releasing valve core (18) are arranged in valve pocket (10), there are pressure release duct (22) and sealing surface b(21 in the center of valve plate (9)), valve rod (23) is arranged at the top of pressure releasing valve core (18), and valve rod (23) is connected on the float (2) in hydroecium through the slideway (24) on the pressure release duct (22) on valve plate (9), interior valve casing (7); Valve seat (13) has into water interface (15), water inlet interface (15) is communicated to intake tunnel (16), damping column (14) is had in intake tunnel (16), damping column (14) there is connecting rod (17), connecting rod (17) on damping column is connected on the termination of pressure releasing valve core (18) bottom, when control valve is closed, damping column (14) is in the water inlet position of intake tunnel (16); The wall body of the outer valve casing (3) of hydroecium (4) low level has water outlet mouthpiece (8) to pick out, and the top of outer valve casing (3) has exhaust port (1) to pick out, and exhaust port (1) is communicated to the space on hydroecium (4) top.
2. a kind of automatic liquid level control valve according to claim 1, it is characterized in that on pressure releasing valve core (18), have snap ring and seal ring (19), seal ring (19) is fixed by snap ring; When control valve is closed, the seal ring (19) on pressure releasing valve core (18) and the sealing surface b(21 at valve plate (9) center) close.
3. a kind of automatic liquid level control valve according to claim 1, it is characterized in that substituting pressure releasing valve core (18) with pressure release piston (29), top and the valve rod (23) of pressure release piston (29) are connected as a single entity, pressure release piston (29) has seal ring (30), pressure release piston (29) and seal ring (30) are placed in the pressure release duct (22) at valve plate (9) center; Valve plate (9) has pressure-releasing hole (26), when pressure release piston (29) is opened, valve pocket (10) by pressure-releasing hole (26) through the top of pressure release duct (22), water outlet duct a(5) be communicated to hydroecium (4); Connecting rod (17) on damping column is connected on the termination of pressure release piston (29) bottom.
4. a kind of automatic liquid level control valve according to claim 1 or 3, it is characterized in that on valve plate (9), have annular bayonet socket and sealing gasket (6), sealing gasket (6) is fixed by annular bayonet socket; When control valve is closed, the sealing gasket (6) on valve plate (9) and the sealing surface a(20 on internal valve shell wall body) close.
5. a kind of automatic liquid level control valve according to claim 1 or 3, is characterized in that connecting rod (17) on damping column is by draw ring b(12) and draw ring a(11) be connected to pressure releasing valve core (18) bottom termination on or be connected on the termination of pressure release piston (29) bottom.
6. a kind of automatic liquid level control valve according to claim 1 or 3, is characterized in that the water outlet duct a(5 on interior valve casing (7)) be more than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262437.8A CN103292015B (en) | 2013-06-27 | 2013-06-27 | Automatic liquid level control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262437.8A CN103292015B (en) | 2013-06-27 | 2013-06-27 | Automatic liquid level control valve |
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| Publication Number | Publication Date |
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| CN103292015A CN103292015A (en) | 2013-09-11 |
| CN103292015B true CN103292015B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310262437.8A Active CN103292015B (en) | 2013-06-27 | 2013-06-27 | Automatic liquid level control valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113551406A (en) * | 2021-07-21 | 2021-10-26 | 珠海格力电器股份有限公司 | Water level control structure and mobile air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87205267U (en) * | 1987-12-09 | 1988-09-28 | 胡孝华 | Washing valve with time-delay and automatic stop |
| JP2003021259A (en) * | 2001-07-10 | 2003-01-24 | Nagano:Kk | Liquid level detection cutoff valve |
| CN2919131Y (en) * | 2006-05-19 | 2007-07-04 | 高文军 | Water tank supply and drainage automatic control device |
| CN202867915U (en) * | 2011-02-01 | 2013-04-10 | 陈银环 | Buoyancy type auto-control valve |
| CN202327204U (en) * | 2011-12-02 | 2012-07-11 | 陈银环 | Buoyancy-type automatic control valve |
| CN203309306U (en) * | 2013-06-27 | 2013-11-27 | 衢州昀睿工业设计有限公司 | Automatic liquid level control valve |
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Inventor after: Lu Wentao Inventor before: Zhou Yunyu |
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Effective date of registration: 20170823 Address after: 063000, Tangshan City Road, Hebei District, north high, Southern China, dragon, Yue, new home, 305 floor, 4 door, No. 502 Patentee after: Lu Wentao Address before: Zhejiang province Quzhou City Kecheng District 324000 Kaixuan Road No. 6 (WITHUB industrial design Industrial Park Building 2, room 2-302) Patentee before: Quzhou Yunrui Industry Design Co., Ltd. |
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Effective date of registration: 20180330 Address after: 226156 Nantong Binhai New Area, Haimen City, Hong Kong West Road, No. 999, No. Patentee after: HAIMEN HUANGHAI PIONEER PARK SERVICES CO., LTD. Address before: 063000, Tangshan City Road, Hebei District, north high, Southern China, dragon, Yue, new home, 305 floor, 4 door, No. 502 Patentee before: Lu Wentao |
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