CN101922812A - Solar water heater overfilling-prevention and emptying device - Google Patents
Solar water heater overfilling-prevention and emptying device Download PDFInfo
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- CN101922812A CN101922812A CN2010102493594A CN201010249359A CN101922812A CN 101922812 A CN101922812 A CN 101922812A CN 2010102493594 A CN2010102493594 A CN 2010102493594A CN 201010249359 A CN201010249359 A CN 201010249359A CN 101922812 A CN101922812 A CN 101922812A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention provides a solar water heater overfilling-prevention and emptying device, belongs to the field of solar water heater water pipe overfilling-prevention and emptying, and also relates to the field of overfilling-prevention of common water tanks. The device consists of a pressure control unit [1], an emptying one-way valve [2] and a pressure valve [3]. The pressure valve can be independently used for overfilling-prevention water supply control of a water tank and a water channel sharing water supply and water drainage pipes. The device has a simple and practical structure, can effectively solve the problems of overfilling-prevention and emptying of a solar water heater and a water supply overfilling-prevention problem of other water tanks sharing water supply and drainage pipes, and also has good freezing prevention performance. Besides, a hand operated mechanism provided by the invention can make the solar water heater normally used under the condition of power failure. The device can save precious water resource, and makes the application of the solar water heater wider so as to save energy used for heating.
Description
Technical field
The technical field of the invention is solar water heater water pipe anti-overflow, emptying field, also relates to the anti-overflow field of common water tank.
Background technology
Solar water heater is installed in roof, after using, and can water in its upper and lower conduit.The water of preserving in the upper and lower conduit when use next time cools, it need be emitted just and can obtain hot water.Wasted water resource, also limited the bigger floor of the discrepancy in elevation and can not use solar water heater.Winter temperature drops to when below freezing, and the water in the upper and lower conduit may freeze, and not only influence is normal uses, and easily upper and lower conduit is burst.Prior solar water heater water pipe emptier, most antifreeze problems of not considering self.
In addition, water can overflow when the water tank of solar water heater and matching used common water tank filling up water, causes the wasting of resources.Existing overflow prevention device complex structure maybe need be installed in the water tank, and inconvenience is installed, and also is not easy to maintenance.
Summary of the invention
(1) technical problem that will solve
The present invention will solve following problem:
1, the water in the emptying upper and lower conduit how automatically behind the upper and lower intact water of solar water heater;
2, how to guarantee that solar water heater water pipe emptier itself is not frozen;
3, behind the water tank filling up water, how to stop to go up water automatically;
When 4, having a power failure, how manually to control solar water heater water pipe emptier operate as normal.
In order to address the above problem effectively, the invention provides a kind of solar water heater overfilling-prevention and emptying device.
(2) technical scheme
The technical solution adopted for the present invention to solve the technical problems is:
A kind of solar water heater overfilling-prevention and emptying device is made of pressure control unit [1], emptying one-way valve [2] and pressure valve [3].
Pressure control unit [1] is installed on the exhaust outlet [4] or overfall [5] of solar water heater water tank, sealing another one openning; When the pressure in the solar water heater water tank surpassed design pressure, the mechanism of decompressor of pressure control unit [1] was open-minded, discharge section gas or water, mechanism of decompressor auto-closing during less than design pressure; Do not going up under the situation of water, the admission gear of pressure control unit [1] opens, and air enters solar water heater water tank, and water is from the mouth of a river [6] outflow up and down, and the admission gear of pressure control unit closes, and then water can't flow out under the atmospheric pressure effect; Locate to be equipped with filter screen [7] at the mouth of a river [6] up and down, can stop foreign material to enter water tank on the one hand, can increase the surface tension of water on the other hand, help atmospheric pressure and seal this time mouth of a river; Emptying one-way valve [2] is a breather cheek valve, be installed near the upper and lower conduit the mouth of a river up and down [6] of solar water heater water tank, when the pressure in the upper and lower conduit is no more than the closed air pressure of design, emptying one-way valve [2] is in opening state, when surpassing the closed air pressure of design, emptying one-way valve [2] is closed;
During last water, emptying one-way valve [2] increases and closed with air pressure in the upper and lower conduit, and remaining air stops water to enter emptying one-way valve [2] in emptying one-way valve [2] pipe, can keep its drying, has stronger resistance to frost; Pressure valve [3] one terminations are equipped with the upper and lower conduit of emptying one-way valve [2], and the other end is connected upriver upper and lower conduit; When the pressure of pressure valve [3] water receiving source one end greater than the pressure of sky check valve [2] one ends that runs in, and the pressure of sky check valve [2] one ends that run in close automatically, otherwise pressure valve [3] is in opening state when reaching design load;
After having gone up water, close water supply valve, the tap of fetching boiling water, emptying one-way valve [2] is opened automatically, and the water in the upper and lower conduit is discharged; Pressure valve [3] is located not ponding, therefore has stronger resistance to frost.Pressure control unit [1] is not paddled yet, and it is higher to be installed in the temperature of its installing port, also has stronger resistance to frost.
The invention provides a kind of pressure valve [3], constitute by pressure valve casing [330], pressure valve casing [331], valve body, automatically close when still having big pressure when the pressure in water tank reaches design load and in the upper and lower conduit, otherwise open automatically, can be used for solar water heater water tank and other water feeding anti-overflow control of the common water tank of the shared water pipe of water up and down;
Pressure valve casing [330] and [331] are spirally connected, the other end water receiving source end upper and lower conduit of pressure valve casing [330], the other end water receiving case end upper and lower conduit of pressure valve casing [331]; After the two is installed, between have living space [342], for locking plate [332] provides the lengthwise movement space; The end that pressure valve casing [331] is connected with pressure valve casing [330] has horn mouth [341]; The aquaporin cross section of two pressure valve casing inside all is circular;
Valve body is by locking plate [332], baffle plate [333], cranse [334], spring stack [335], baffle plate [339] and covering [340], and organizes radial expansion mechanism more and constitute; Baffle plate [333] [339] is cylinder, and is radially consistent with the pressure valve casing after the installation; Every group of radial expansion mechanism is made of curved lever and annex thereof; The bearing of curved lever [344] is fixed on the baffle plate [333]; All curved levers evenly are periphery on baffle plate [333]; The pulley that reduces friction is equipped with at the two ends of curved bar [343];
Baffle plate [333] and locking plate [332] are fixed together; Locking plate has through hole on [332], and water can pass through hole and flow between pressure valve casing [330] and [331]; Covering [340] is made with wear resistant elastic material, is U-shaped under the free state, and openend is fixed on the baffle plate [333] with cranse [334], or is clipped between baffle plate [333] and the locking plate [332], keeps sealing state;
During last water, under last effect of water pressure, locking plate [332] is close to pressure valve casing [331] termination, along with the rising of the water surface in the water tank, hydraulic pressure increases, and baffle plate [339] moves to baffle plate [333] under effect of water pressure, and promoting curved bar [343] rotation, it is big that the valve body external diameter becomes; When the water pressure that is subjected to when baffle plate [339] reaches design threshold, one end of curved bar [343] support covering [340] props up the inwall of horn mouth [341] every covering [340], covering [340] seals aquaporin under the acting in conjunction of air pressure inside, curved bar [343] and hydraulic pressure, stop to go up water automatically;
During following water, under the launching stress effect, locking plate [332] is close to pressure valve casing [330] termination, and the maximum valve diameter that covering [340] forms is less than the aquaporin of correspondence position, and water can flow out smoothly; Along with reducing of hydraulic pressure, baffle plate [339] is under the thrust of spring stack [335], and away from baffle plate [333], curved bar [343] is backward rotation under the pressure effect of covering [340], and the valve body external diameter diminishes; Up to restPosing.
Preferably, pressure valve [3] can be made of pressure valve casing [301], rotation cover [305], cover plate pedestal [306], barrier film [308], pressing plate [307] and transmission mechanism [309] and pressure valve protective cover;
Be empty in the middle of the pressure valve housing [301], as water stream channel; Control mouthful [302] is arranged in the pressure valve housing [301], and rotation cover installing port [303] and pressing plate installing port [304], rotation cover installing port [303] are positioned at control mouthful [302] by water source end one side; The rotating shaft of rotation cover [305] is installed on the cover plate pedestal [306], and restoring spring is installed on the rotating shaft, and the active force of cover plate pedestal [306] is provided for rotation cover [305]; Cover plate pedestal [306] is fixed on the pressure valve casing [301], accompanies sealing gasket between the two; Transmission mechanism [309] is fixed on the cover plate pedestal [306]; Barrier film [308] is a flexible waterproof material, is fixed on the pressure valve casing [301], is used for sealing clamp installing port [304]; Pressing plate [307] connects transmission mechanism [309]; When pressing plate installing port [304] was located pressure less than design threshold, rotation cover [305] was ensconced in the rotation cover installing port in [303];
During last water, pressing plate [307] is along with the increase of pipe internal pressure is outwards moved, when pressure surpasses design threshold, pressing plate [307] promotes rotation cover [305] by transmission mechanism [309] and rotates to control mouthful [302] direction, make it to produce rotation cover installing port [303], this moment, rotation cover [305] continued to rotate to control mouthful [302] under last effect of water pressure, and, close the water route with its sealing;
During following water, rotation cover [305] is opened the water route to the rotation of rotation cover installing port [303] direction under the acting in conjunction of launching stress and restoring spring; The pressure valve protective cover is buckled on the pressure valve housing [301], avoids outside barrier film [308], transmission mechanism [309] be exposed to.
Preferably, pressure valve [3] can be made of pressure valve casing [321] [322], rotation cover [325], pressure piston mechanism and transmission mechanism [330];
Be empty in the middle of the pressure valve housing [321] [322], as water stream channel; Control mouthful [323] and pressure piston installing port [324] are arranged in the pressure valve housing [322]; Pressure valve housing [321] [322] is fixed together; The rotating shaft of rotation cover [325] is installed on the pressure valve housing [322], and restoring spring is installed on the rotating shaft, and the active force of pressure valve housing [321] inwall is provided for rotation cover [325];
Transmission mechanism [330] is fixed on the pressure valve housing [322], and two movable ends connect pressure piston mechanism and rotation cover [325] respectively;
Pressure piston mechanism is installed in pressure piston installing port [324]; Constitute by pressing plate [327], barrier film [328], spring [329] and protective cover [326]; Barrier film [328] is a flexible waterproof material, is fixed on the pressure valve casing [322], is used for sealing clamp installing port [324]; When pressing plate installing port [324] was located pressure less than design threshold, rotation cover [325] was attached on pressure valve housing [321] inwall; Protective cover [326] is fixed on the pressure valve housing [322]; Protective cover has passage on [326];
During last water, pressing plate [327] is along with the increase of pipe internal pressure is outwards moved, and pressing plate [327] rotates to control mouthful [323] direction by transmission mechanism [330] pulling rotation cover [325]; When pressure surpassed design threshold, after rotation cover [325] rotated design angle, last water pressure became the power that promotes rotation; Under last effect of water pressure, rotation cover [325] continues to rotate to control mouthful [323], and with its sealing, closes the water route;
During following water, the water route is opened in rotation cover [325] reverse rotation under the acting in conjunction of launching stress and restoring spring.
Preferably, pressure control unit [1] is made of control pedestal [101], electromagnet pedestal [102], electromagnet cover [103], electromagnet [104], stage clip [105], movable core [106], cover plate [107], stage clip [109] and manual air valve [111]; Control pedestal [101] is a tee pipe, and exhaust outlet of an end and solar water heater water tank [4] or overfall [5] are spirally connected, and the other end has pressure control mouthful [108], and manual air valve [111] is installed on vertical branch's pipe; Pressure control mouthful [108] is outer to be with stage clip [109], and the free end of stage clip [109] is fixed with cover plate [107]; Passage [112] is arranged in the middle of the cover plate [107]; Electromagnet pedestal [102] is fixed on the control pedestal [101]; Electromagnet pedestal [102] one ends have the central column space to be used to lay electromagnet, and the other end has cavity, can cover pressure control mouthful [108] and the cover plate [107] of control pedestal [101], and the cylindrical space of laying stage clip [105] and movable core [106] is arranged; Port [110] is arranged on the cavity wall of electromagnet pedestal [102], be used to pass in and out gas or get rid of spilling water; The flexible pad of one end of movable core [106] contact cover plate [107], passage [112]; Movable core [106], pressure control mouthful [108], stage clip [105] [109], passage [108] are positioned on the same axis;
Stage clip [109] and cover plate [107] and stage clip [105], movable core [106] constitute the mechanism of decompressor; Electromagnet [104], stage clip [105], movable core [106], cover plate [107], stage clip [109] constitute electronic admission gear; Manually air valve [111] is manual admission gear;
When electromagnet [104] do not work and solar water heater water tank in pressure when being not more than atmospheric pressure, close manual air valve [111], stage clip [105] is by movable core [106] compressing cover plate [107]; At this moment, movable core [106] closed vent hole [112]; Cover plate [107] is sealed pressure control mouthful [108] under the effect of movable core [106] and atmospheric pressure, the water in the solar water heater water tank can't flow out; When the pressure of solar water heater water tank surpasses making a concerted effort of movable core [106] pressure and atmospheric pressure, press off cover plate [107], venting or overflow decompression; Electromagnet [104] energising retracts movable core, air enters solar water heater water tank by passage [112], and external and internal pressure is during near balance, and stage clip [109] presses off cover plate [107], air enters solar water heater water tank in a large number from pressure control mouthful [108], and water flows out.
Preferably, pressure control unit [1] can be made of one way pressure-reducing valve [120], air inlet pipe [121] and manual air valve [122]; One way pressure-reducing valve [120] has an interface with solar water heater water tank exhaust outlet [4] or overfall [5], also has an air inlet to be connected with air inlet pipe [121]; Air inlet pipe [121] other end is taken over the valve [122] of taking offence; Air inlet pipe [121] can be led to indoor; One way pressure-reducing valve [120] is pressed off when the pipe internal pressure surpasses design threshold, and gas or water are discharged in the pipe, otherwise are in closed condition; One way pressure-reducing valve [120] is the mechanism of decompressor of pressure control unit [1]; Manual air valve [122] position admission gear.
Preferably, pressure control unit [1] can be controlled pedestal [130], one way pressure-reducing valve [132], upper bracket [133] and floating plug [134] by pressure, and air valve constitutes;
Pressure control pedestal [130] is installed on solar water heater water tank exhaust outlet [4] or the overfall [5], and upper bracket [133] and one way pressure-reducing valve [132] are installed on the pressure control pedestal; One way pressure-reducing valve [132] is pressed off when the pipe internal pressure surpasses design threshold, and gas or water are discharged in the pipe, otherwise are in closed condition; Upper bracket [133] has air inlet/outlet [135]; Between upper bracket [133] and pressure control pedestal [130] floating plug storehouse [131] is arranged, floating plug [134] is placed in the floating plug storehouse [131]; Upper bracket taps into air outlet valve on [133]; Mechanism of decompressor during last water is provided by air valve;
Independent pressure valve is not installed; During last water, the gas in the solar water heater water tank is discharged by air valve; During fast filling up water, floating plug storehouse [131] middle water level rises, and floating plug [134] floats, when water level rises to design load, and floating plug [134] sealing air inlet/outlet [135]; Water can't continue to enter water tank and stop to go up water; The unlatching pressure of one way pressure-reducing valve [132] is near the withstand voltage limit value of solar water heater water tank, when internal pressure near the withstand voltage limit value of water tank, open the decompression that discharges water, avoid water tank to be damaged by pressure.
(3) beneficial effect
The present invention is simple in structure, practical, can effectively solve the anti-overflow and the emptying problem of solar water heater, and the water feeding anti-overflow problem of the water tank of other shared upper and lower conduit, has good resistance to frost simultaneously.And manual-operating mechanism provided by the invention can make solar water heater still can normally use when having a power failure.But the water resource of the present invention's saves valuable, and make the application of solar water heater more extensive, thus saved the energy that is used to heat.
Description of drawings
Fig. 1 is the assembling schematic diagram of embodiment one;
Fig. 2 is the schematic diagram of embodiment one pressure control unit [1];
Fig. 3 is the semi-section schematic diagram of embodiment one pressure valve [3];
Fig. 4 is the schematic diagram of embodiment two pressure valves [3];
Fig. 5 is the schematic diagram in embodiment two, three A-A and B-B cross section;
Fig. 6 is the schematic diagram of embodiment three pressure valves [3];
Fig. 7 is the schematic diagram in embodiment three C-C cross sections;
Fig. 8 is the schematic diagram of embodiment four pressure control units [1];
Fig. 9 is the schematic diagram of embodiment five pressure control units [1].
The specific embodiment
Following examples are used to illustrate the present invention, but are not used for limiting protection scope of the present invention.
Pressure valve provided by the invention [3] can use separately, is used for water management on the water tank, tank anti-overflow of shared upper and lower conduit.
Embodiment one
A kind of solar water heater overfilling-prevention and emptying device is made of pressure control unit [1], emptying one-way valve [2] and pressure valve [3].Installation diagram as shown in Figure 1.
Pressure control unit [1] is installed on the exhaust outlet [4] or overfall [5] of solar water heater water tank, sealing another one openning; When the pressure in the solar water heater water tank surpassed design pressure, the mechanism of decompressor of pressure control unit [1] was open-minded, discharge section gas or water, mechanism of decompressor auto-closing during less than design pressure; Do not going up under the situation of water, the admission gear of pressure control unit [1] opens, and air enters solar water heater water tank, and water is from the mouth of a river [6] outflow up and down, and the admission gear of pressure control unit closes, and then water can't flow out under the atmospheric pressure effect; Locate to be equipped with filter screen [7] at the mouth of a river [6] up and down, can stop foreign material to enter water tank on the one hand, can increase the surface tension of water on the other hand, help atmospheric pressure and seal this time mouth of a river; Emptying one-way valve [2] is a breather cheek valve, be installed near the upper and lower conduit the mouth of a river up and down [6] of solar water heater water tank, when the pressure in the upper and lower conduit is no more than the closed air pressure of design, emptying one-way valve [2] is in opening state, when surpassing the closed air pressure of design, emptying one-way valve [2] is closed.
During last water, emptying one-way valve [2] increases and closed with air pressure in the upper and lower conduit, and remaining air stops water to enter emptying one-way valve [2] in emptying one-way valve [2] pipe, can keep its drying, has stronger resistance to frost; Pressure valve [3] one terminations are equipped with the upper and lower conduit of emptying one-way valve [2], and the other end is connected upriver upper and lower conduit; When the pressure of pressure valve [3] water receiving source one end greater than the pressure of sky check valve [2] one ends that runs in, and the pressure of sky check valve [2] one ends that run in close automatically, otherwise pressure valve [3] is in opening state when reaching design load.
After having gone up water, close water supply valve, the tap of fetching boiling water, emptying one-way valve [2] is opened automatically, and the water in the upper and lower conduit is discharged; Pressure valve [3] is located not ponding, therefore has stronger resistance to frost.Pressure control unit [1] is not paddled yet, and it is higher to be installed in the temperature of its installing port, also has stronger resistance to frost.
The schematic diagram of pressure control unit [1] is made of control pedestal [101], electromagnet pedestal [102], electromagnet cover [103], electromagnet [104], stage clip [105], movable core [106], cover plate [107], stage clip [109] and manual air valve [111] as shown in Figure 2; Control pedestal [101] is a tee pipe, and exhaust outlet of an end and solar water heater water tank [4] or overfall [5] are spirally connected, and the other end has pressure control mouthful [108], and manual air valve [111] is installed on vertical branch's pipe; Pressure control mouthful [108] is outer to be with stage clip [109], and the free end of stage clip [109] is fixed with cover plate [107]; Passage [112] is arranged in the middle of the cover plate [107]; Electromagnet pedestal [102] is fixed on the control pedestal [101]; Electromagnet pedestal [102] one ends have the central column space to be used to lay electromagnet, and the other end has cavity, can cover pressure control mouthful [108] and the cover plate [107] of control pedestal [101], and the cylindrical space of laying stage clip [105] and movable core [106] is arranged; Port [110] is arranged on the cavity wall of electromagnet pedestal [102], be used to pass in and out gas or get rid of spilling water; The flexible pad of one end of movable core [106] contact cover plate [107], passage [112]; Movable core [106], pressure control mouthful [108], stage clip [105] [109], passage [108] are positioned on the same axis.
Stage clip [109] and cover plate [107] and stage clip [105], movable core [106] constitute the mechanism of decompressor; Electromagnet [104], stage clip [105], movable core [106], cover plate [107], stage clip [109] constitute electronic admission gear; Manually air valve [111] is manual admission gear.
When electromagnet [104] do not work and solar water heater water tank in pressure when being not more than atmospheric pressure, close manual air valve [111], stage clip [105] is by movable core [106] compressing cover plate [107]; At this moment, movable core [106] closed vent hole [112]; Cover plate [107] is sealed pressure control mouthful [108] under the effect of movable core [106] and atmospheric pressure, the water in the solar water heater water tank can't flow out; When the pressure of solar water heater water tank surpasses making a concerted effort of movable core [106] pressure and atmospheric pressure, press off cover plate [107], venting or overflow decompression; Electromagnet [104] energising retracts movable core, air enters solar water heater water tank by passage [112], and external and internal pressure is during near balance, and stage clip [109] presses off cover plate [107], air enters solar water heater water tank in a large number from pressure control mouthful [108], and water flows out.
Electromagnet [104] can be a general electromagnet, can also be self-retaining also.
Present embodiment provides a kind of pressure valve [3], the semi-section schematic diagram as shown in Figure 3, constitute by pressure valve casing [330], pressure valve casing [331], valve body, automatically close when still having big pressure when the pressure in water tank reaches design load and in the upper and lower conduit, otherwise open automatically, can be used for solar water heater water tank and other water feeding anti-overflow control of the common water tank of the shared water pipe of water up and down.
Pressure valve casing [330] and [331] are spirally connected, the other end water receiving source end upper and lower conduit of pressure valve casing [330], the other end water receiving case end upper and lower conduit of pressure valve casing [331]; After the two is installed, between have living space [342], for locking plate [332] provides the lengthwise movement space; The end that pressure valve casing [331] is connected with pressure valve casing [330] has horn mouth [341]; The aquaporin cross section of two pressure valve casing inside all is circular.
Valve body is by locking plate [332], baffle plate [333], cranse [334], spring stack [335], baffle plate [339] and covering [340], and organizes radial expansion mechanism more and constitute; Baffle plate [333] [339] is cylinder, and is radially consistent with the pressure valve casing after the installation; Every group of radial expansion mechanism is made of curved lever and annex thereof; The bearing of curved lever [344] is fixed on the baffle plate [333]; All curved levers evenly are periphery on baffle plate [333]; The pulley that reduces friction is equipped with at the two ends of curved bar [343].
Baffle plate [333] and locking plate [332] are fixed together; Locking plate has through hole on [332], and water can pass through hole and flow between pressure valve casing [330] and [331]; Covering [340] is made with wear resistant elastic material, is U-shaped under the free state, and openend is fixed on the baffle plate [333] with cranse [334], or is clipped between baffle plate [333] and the locking plate [332], keeps sealing state.
During last water, under last effect of water pressure, locking plate [332] is close to pressure valve casing [331] termination, along with the rising of the water surface in the water tank, hydraulic pressure increases, and baffle plate [339] moves to baffle plate [333] under effect of water pressure, and promoting curved bar [343] rotation, it is big that the valve body external diameter becomes; When the water pressure that is subjected to when baffle plate [339] reaches design threshold, one end of curved bar [343] support covering [340] props up the inwall of horn mouth [341] every covering [340], covering [340] seals aquaporin under the acting in conjunction of air pressure inside, curved bar [343] and hydraulic pressure, stop to go up water automatically.
During following water, under the launching stress effect, locking plate [332] is close to pressure valve casing [330] termination, and the maximum valve diameter that covering [340] forms is less than the aquaporin of correspondence position, and water can flow out smoothly; Along with reducing of hydraulic pressure, baffle plate [339] is under the thrust of spring stack [335], and away from baffle plate [333], curved bar [343] is backward rotation under the pressure effect of covering [340], and the valve body external diameter diminishes; Up to restPosing.
In order to go up water as early as possible, can allow the spring of spring stack [335] just have precompression in original state, bear this power by covering [340], or bear jointly by the shell of covering [340] and spring stack [335], also can between two baffle plates, set up a steel wire and bear.At this moment, when having only the pressure that is subjected to when baffle plate [339] to surpass precompression, valve body just begins reducing.
Embodiment two
Present embodiment provides the implementation of another kind of pressure valve [3], and other part and structure thereof are with embodiment one.
As shown in Figure 4, pressure valve [3] also can be made of pressure valve casing [301], rotation cover [305], cover plate pedestal [306], barrier film [308], pressing plate [307] and transmission mechanism [309] and pressure valve protective cover.
Be empty in the middle of the pressure valve housing [301], as water stream channel; A-A and B-B cross section are as shown in Figure 5; Control mouthful [302] is arranged in the pressure valve housing [301], and rotation cover installing port [303] and pressing plate installing port [304], rotation cover installing port [303] are positioned at control mouthful [302] by water source end one side; The rotating shaft of rotation cover [305] is installed on the cover plate pedestal [306], and restoring spring is installed on the rotating shaft, and the active force of cover plate pedestal [306] is provided for rotation cover [305]; Cover plate pedestal [306] is fixed on the pressure valve casing [301], accompanies sealing gasket between the two; Transmission mechanism [309] is fixed on the cover plate pedestal [306]; Barrier film [308] is a flexible waterproof material, is fixed on the pressure valve casing [301], is used for sealing clamp installing port [304]; Pressing plate [307] connects transmission mechanism [309]; When pressing plate installing port [304] was located pressure less than design threshold, rotation cover [305] was ensconced in the rotation cover installing port in [303].
Can go up at transmission mechanism [309] permanent magnet [310] is installed, and go up the installation permanent magnet at rotation cover [305], the two is approaching to be to produce repulsive interaction; Perhaps go up shank is installed, on cover plate pedestal [306], pin hole is set at transmission mechanism [309]; When pressing plate [307] when outwards moving, shank can pass pin hole and promote rotation cover [305] and rotate.
During last water, pressing plate [307] is along with the increase of pipe internal pressure is outwards moved, when pressure surpasses design threshold, pressing plate [307] promotes rotation cover [305] by transmission mechanism [309] and rotates to control mouthful [302] direction, make it to produce rotation cover installing port [303], this moment, rotation cover [305] continued to rotate to control mouthful [302] under last effect of water pressure, and, close the water route with its sealing.
During following water, rotation cover [305] is opened the water route to the rotation of rotation cover installing port [303] direction under the acting in conjunction of launching stress and restoring spring; The pressure valve protective cover is buckled on the pressure valve housing [301], avoids outside barrier film [308], transmission mechanism [309] be exposed to.
Embodiment three
Present embodiment provides the implementation of another kind of pressure valve [3], and other part and structure thereof are with embodiment one.
As shown in Figure 6, pressure valve [3] can be made of pressure valve casing [321] [322], rotation cover [325], pressure piston mechanism and transmission mechanism [330].
Be sky in the middle of the pressure valve housing [321] [322], as water stream channel, the A-A cross section as shown in Figure 6, the C-C cross section as shown in Figure 7, the D-D cross section is an annulus; Control mouthful [323] and pressure piston installing port [324] are arranged in the pressure valve housing [322]; Pressure valve housing [321] [322] is fixed together; The rotating shaft of rotation cover [325] is installed on the pressure valve housing [322], and restoring spring is installed on the rotating shaft, and the active force of pressure valve housing [321] inwall is provided for rotation cover [325].
Transmission mechanism [330] is fixed on the pressure valve housing [322], and two movable ends connect pressure piston mechanism and rotation cover [325] respectively; For example, transmission mechanism [330] can be fixed on the fixed bar on the pressure valve housing [322] and be fixed on draw ring on the rotation cover [325] by one, and backguy constitutes; Backguy one end is fixed on the pressing plate [327], walks around fixed bar, passes draw ring, and the other end is fixed on the fixed bar, after the installation, forms one by a movable pulley and the assembly pulley that quiet pulley constitutes.
Pressure piston mechanism is installed in pressure piston installing port [324]; Constitute by pressing plate [327], barrier film [328], spring [329] and protective cover [326]; Barrier film [328] is a flexible waterproof material, is fixed on the pressure valve casing [322], is used for sealing clamp installing port [324]; When pressing plate installing port [324] was located pressure less than design threshold, rotation cover [325] was attached on pressure valve housing [321] inwall; Protective cover [326] is fixed on the pressure valve housing [322]; Protective cover has passage on [326].
During last water, pressing plate [327] is along with the increase of pipe internal pressure is outwards moved, and pressing plate [327] rotates to control mouthful [323] direction by transmission mechanism [330] pulling rotation cover [325]; When pressure surpassed design threshold, after rotation cover [325] rotated design angle, last water pressure became the power that promotes rotation; Under last effect of water pressure, rotation cover [325] continues to rotate to control mouthful [323], and with its sealing, closes the water route.
During following water, the water route is opened in rotation cover [325] reverse rotation under the acting in conjunction of launching stress and restoring spring.
Embodiment four
Present embodiment provides the implementation of another kind of pressure control unit [1], and other part and structure thereof are with embodiment one.
As shown in Figure 8, pressure control unit [1] also can be made of one way pressure-reducing valve [120], air inlet pipe [121] and manual air valve [122]; One way pressure-reducing valve [120] has an interface with solar water heater water tank exhaust outlet [4] or overfall [5], also has an air inlet to be connected with air inlet pipe [121]; Air inlet pipe [121] other end is taken over the valve [122] of taking offence; Air inlet pipe [121] can be led to indoor; One way pressure-reducing valve [120] is pressed off when the pipe internal pressure surpasses design threshold, and gas or water are discharged in the pipe, otherwise are in closed condition; One way pressure-reducing valve [120] is the mechanism of decompressor of pressure control unit [1]; Manual air valve [122] position admission gear.
Embodiment five
Present embodiment provides the implementation of another kind of pressure control unit [1].
As shown in Figure 9, pressure control unit [1] can be controlled pedestal [130], one way pressure-reducing valve [132], upper bracket [133] and floating plug [134] by pressure, and air valve constitutes.
Pressure control pedestal [130] is installed on solar water heater water tank exhaust outlet [4] or the overfall [5], and upper bracket [133] and one way pressure-reducing valve [132] are installed on the pressure control pedestal; One way pressure-reducing valve [132] is pressed off when the pipe internal pressure surpasses design threshold, and gas or water are discharged in the pipe, otherwise are in closed condition; Upper bracket [133] has air inlet/outlet [135]; Between upper bracket [133] and pressure control pedestal [130] floating plug storehouse [131] is arranged, floating plug [134] is placed in the floating plug storehouse [131]; Upper bracket taps into air outlet valve on [133]; Mechanism of decompressor during last water is provided by air valve; Air valve can use the pressure control unit among embodiment one or the embodiment four.
Independent pressure valve is not installed; During last water, the gas in the solar water heater water tank is discharged by air valve; During fast filling up water, floating plug storehouse [131] middle water level rises, and floating plug [134] floats, when water level rises to design load, and floating plug [134] sealing air inlet/outlet [135]; Water can't continue to enter water tank and stop to go up water; The unlatching pressure of one way pressure-reducing valve [132] is near the withstand voltage limit value of solar water heater water tank, when internal pressure near the withstand voltage limit value of water tank, open the decompression that discharges water, avoid water tank to be damaged by pressure.
Embodiment six
Present embodiment has been cancelled independent pressure valve [3], and pressure control unit that whole device is provided by embodiment five [1] and emptying one-way valve [2] constitute; Its installation site is identical with embodiment one with installation method.Provide the anti-overflow function by pressure control unit [1].
Present embodiment is applicable to that the inner bag of solar water heater water tank has the situation of higher voltage endurance capability.
Claims (7)
1. a solar water heater overfilling-prevention and emptying device is made of pressure control unit [1], emptying one-way valve [2] and pressure valve [3], it is characterized in that:
Pressure control unit [1] is installed on the exhaust outlet [4] or overfall [5] of solar water heater water tank, sealing another one openning; When the pressure in the solar water heater water tank surpassed design pressure, the mechanism of decompressor of pressure control unit [1] was open-minded, discharge section gas or water, mechanism of decompressor auto-closing during less than design pressure; Do not going up under the situation of water, the admission gear of pressure control unit [1] opens, and air enters solar water heater water tank, and water is from the mouth of a river [6] outflow up and down, and the admission gear of pressure control unit closes, and then water can't flow out under the atmospheric pressure effect; Locate to be equipped with filter screen [7] at the mouth of a river [6] up and down; Emptying one-way valve [2] is a breather cheek valve, be installed near the upper and lower conduit the mouth of a river up and down [6] of solar water heater water tank, when the pressure in the upper and lower conduit is no more than the closed air pressure of design, emptying one-way valve [2] is in opening state, when surpassing the closed air pressure of design, emptying one-way valve [2] is closed; Pressure valve [3] one terminations are equipped with the upper and lower conduit of emptying one-way valve [2], and a termination is led to the upper and lower conduit at water source; When the pressure of pressure valve [3] water receiving source one end greater than the pressure of sky check valve [2] one ends that runs in, and the pressure of sky check valve [2] one ends that run in close automatically, otherwise pressure valve [3] is in opening state when reaching design load.
2. the invention provides a kind of pressure valve [3], constitute, it is characterized in that by pressure valve casing [330], pressure valve casing [331], valve body:
Pressure valve casing [330] and [331] are spirally connected, the other end water receiving source end upper and lower conduit of pressure valve casing [330], the other end water receiving case end upper and lower conduit of pressure valve casing [331]; The two is installed between the back and has living space [342], for locking plate [332] provides the lengthwise movement space; The end that pressure valve casing [331] is connected with pressure valve casing [330] has horn mouth [341]; The aquaporin cross section of two pressure valve casing inside all is circular;
Valve body is by locking plate [332], baffle plate [333], cranse [334], spring stack [335], baffle plate [339] and covering [340], and organizes radial expansion mechanism more and constitute; Baffle plate [333] [339] is cylinder, and is radially consistent with the pressure valve casing after the installation; Every group of radial expansion mechanism is made of curved lever and annex thereof; The bearing of curved lever [344] is fixed on the baffle plate [333]; All curved levers evenly are periphery on baffle plate [333]; The pulley that reduces friction is equipped with at the two ends of curved bar [343];
Baffle plate [333] and locking plate [332] are fixed together; Locking plate has through hole on [332], and water can pass through hole and flow between pressure valve casing [330] and [331]; Covering [340] is made with wear resistant elastic material, is U-shaped under the free state, and openend is fixed on the baffle plate [333] with cranse [334], or is clipped between baffle plate [333] and the locking plate [332];
During last water, under last effect of water pressure, locking plate [332] is close to pressure valve casing [331] termination, along with the rising of the water surface in the water tank, hydraulic pressure increases, and baffle plate [339] moves to baffle plate [333] under effect of water pressure, and promoting curved bar [343] rotation, it is big that the valve body external diameter becomes; When the water pressure that is subjected to when baffle plate [339] reaches design threshold, one end of curved bar [343] support covering [340] props up the inwall of horn mouth [341] every covering [340], covering [340] seals aquaporin under the acting in conjunction of air pressure inside, curved bar [343] and hydraulic pressure, stop to go up water automatically;
During following water, under the launching stress effect, locking plate [332] is close to pressure valve casing [330] termination, and the maximum valve diameter that covering [340] forms is less than the aquaporin of correspondence position, and water can flow out smoothly; Along with reducing of hydraulic pressure, baffle plate [339] is under the thrust of spring stack [335], and away from baffle plate [333], curved bar [343] is backward rotation under the pressure effect of covering [340], and the valve body external diameter diminishes; Up to restPosing.
3. solar water heater overfilling-prevention and emptying device according to claim 1 is characterized in that: pressure valve [3] can be made of pressure valve casing [301], rotation cover [305], cover plate pedestal [306], barrier film [308], pressing plate [307] and transmission mechanism [309] and pressure valve protective cover;
Be empty in the middle of the pressure valve housing [301], as water stream channel; Control mouthful [302] is arranged in the pressure valve housing [301], and rotation cover installing port [303] and pressing plate installing port [304], rotation cover installing port [303] are positioned at control mouthful [302] by water source end one side; The rotating shaft of rotation cover [305] is installed on the cover plate pedestal [306], and restoring spring is installed on the rotating shaft, and the active force of cover plate pedestal [306] is provided for rotation cover [305]; Cover plate pedestal [306] is fixed on the pressure valve casing [301], accompanies sealing gasket between the two; Transmission mechanism [309] is fixed on the cover plate pedestal [306]; Barrier film [308] is a flexible waterproof material, is fixed on the pressure valve casing [301], is used for sealing clamp installing port [304]; Pressing plate [307] connects transmission mechanism [309]; When pressing plate installing port [304] was located pressure less than design threshold, rotation cover [305] was ensconced in the rotation cover installing port in [303];
During last water, pressing plate [307] is along with the increase of pipe internal pressure is outwards moved, when pressure surpasses design threshold, pressing plate [307] promotes rotation cover [305] by transmission mechanism [309] and rotates to control mouthful [302] direction, make it to produce rotation cover installing port [303], this moment, rotation cover [305] continued to rotate to control mouthful [302] under last effect of water pressure, and, close the water route with its sealing;
During following water, rotation cover [305] is opened the water route to the rotation of rotation cover installing port [303] direction under the acting in conjunction of launching stress and restoring spring; The pressure valve protective cover is buckled on the pressure valve housing [301], avoids outside barrier film [308], transmission mechanism [309] be exposed to.
4. solar water heater overfilling-prevention and emptying device according to claim 1 is characterized in that: pressure valve [3] can be made of pressure valve casing [321] [322], rotation cover [325], pressure piston mechanism and transmission mechanism [330];
Be empty in the middle of the pressure valve housing [321] [322], as water stream channel; Control mouthful [323] and pressure piston installing port [324] are arranged in the pressure valve housing [322]; Pressure valve housing [321] [322] is fixed together; The rotating shaft of rotation cover [325] is installed on the pressure valve housing [322], and restoring spring is installed on the rotating shaft, and the active force of pressure valve housing [321] inwall is provided for rotation cover [325];
Transmission mechanism [330] is fixed on the pressure valve housing [322], and two movable ends connect pressure piston mechanism and rotation cover [325] respectively;
Pressure piston mechanism is installed in pressure piston installing port [324]; Constitute by pressing plate [327], barrier film [328], spring [329] and protective cover [326]; Barrier film [328] is a flexible waterproof material, is fixed on the pressure valve casing [322], is used for sealing clamp installing port [324]; When pressing plate installing port [324] was located pressure less than design threshold, rotation cover [325] was attached on pressure valve housing [321] inwall; Protective cover [326] is fixed on the pressure valve housing [322]; Protective cover has passage on [326];
During last water, pressing plate [327] is along with the increase of pipe internal pressure is outwards moved, and pressing plate [327] rotates to control mouthful [323] direction by transmission mechanism [330] pulling rotation cover [325]; When pressure surpassed design threshold, after rotation cover [325] rotated design angle, last water pressure became the power that promotes rotation; Under last effect of water pressure, rotation cover [325] continues to rotate to control mouthful [323], and with its sealing, closes the water route;
During following water, the water route is opened in rotation cover [325] reverse rotation under the acting in conjunction of launching stress and restoring spring.
5. solar water heater overfilling-prevention and emptying device according to claim 1 is characterized in that:
Pressure control unit [1] is made of control pedestal [101], electromagnet pedestal [102], electromagnet cover [103], electromagnet [104], stage clip [105], movable core [106], cover plate [107], stage clip [109] and manual air valve [111]; Control pedestal [101] is a tee pipe, and exhaust outlet of an end and solar water heater water tank [4] or overfall [5] are spirally connected, and the other end has pressure control mouthful [108], and manual air valve [111] is installed on vertical branch's pipe; Pressure control mouthful [108] is outer to be with stage clip [109], and the free end of stage clip [109] is fixed with cover plate [107]; Passage [112] is arranged in the middle of the cover plate [107]; Electromagnet pedestal [102] is fixed on the control pedestal [101]; Electromagnet pedestal [102] one ends have the central column space to be used to lay electromagnet, and the other end has cavity, can cover pressure control mouthful [108] and the cover plate [107] of control pedestal [101], and the cylindrical space of laying stage clip [105] and movable core [106] is arranged; Port [110] is arranged on the cavity wall of electromagnet pedestal [102], be used to pass in and out gas or get rid of spilling water; The flexible pad of one end of movable core [106] contact cover plate [107], passage [112]; Movable core [106], pressure control mouthful [108], stage clip [105] [109], passage [108] are positioned on the same axis;
Stage clip [109] and cover plate [107] and stage clip [105], movable core [106] constitute the mechanism of decompressor; Electromagnet [104], stage clip [105], movable core [106], cover plate [107], stage clip [109] constitute electronic admission gear; Manually air valve [111] is manual admission gear;
When electromagnet [104] do not work and solar water heater water tank in pressure when being not more than atmospheric pressure, close manual air valve [111], stage clip [105] is by movable core [106] compressing cover plate [107]; Cover plate [107] is sealed pressure control mouthful [108] under the effect of movable core [106] and atmospheric pressure, the water in the solar water heater water tank can't flow out; When the pressure of solar water heater water tank surpasses making a concerted effort of movable core [106] pressure and atmospheric pressure, press off cover plate [107], venting or overflow decompression; Electromagnet [104] energising retracts movable core, air enters solar water heater water tank by passage [112], and external and internal pressure is during near balance, and stage clip [109] presses off cover plate [107], air enters solar water heater water tank in a large number from pressure control mouthful [108], and water flows out.
6. solar water heater overfilling-prevention and emptying device according to claim 1 is characterized in that: pressure control unit [1] can be made of one way pressure-reducing valve [120], air inlet pipe [121] and manual air valve [122]; One way pressure-reducing valve [120] has an interface with solar water heater water tank exhaust outlet [4] or overfall [5], also has an air inlet to be connected with air inlet pipe [121]; Air inlet pipe [121] other end is taken over the valve [122] of taking offence; Air inlet pipe [121] can be led to indoor; One way pressure-reducing valve [120] is pressed off when the pipe internal pressure surpasses design threshold, and gas or water are discharged in the pipe, otherwise are in closed condition; One way pressure-reducing valve [120] is the mechanism of decompressor of pressure control unit [1]; Manual air valve [122] position admission gear.
7. solar water heater overfilling-prevention and emptying device according to claim 1 is characterized in that:
Pressure control unit [1] can be controlled pedestal [130], one way pressure-reducing valve [132], upper bracket [133] and floating plug [134] by pressure, and air valve constitutes;
Pressure control pedestal [130] is installed on solar water heater water tank exhaust outlet [4] or the overfall [5], and upper bracket [133] and one way pressure-reducing valve [132] are installed on the pressure control pedestal; One way pressure-reducing valve [132] is pressed off when the pipe internal pressure surpasses design threshold, and gas or water are discharged in the pipe, otherwise are in closed condition; Upper bracket [133] has air inlet/outlet [135]; Between upper bracket [133] and pressure control pedestal [130] floating plug storehouse [131] is arranged, floating plug [134] is placed in the floating plug storehouse [131]; Upper bracket taps into air outlet valve on [133]; Mechanism of decompressor during last water is provided by air valve;
Independent pressure valve is not installed; During last water, the gas in the solar water heater water tank is discharged by air valve; During fast filling up water, floating plug storehouse [131] middle water level rises, and floating plug [134] floats, when water level rises to design load, and floating plug [134] sealing air inlet/outlet [135]; Water can't continue to enter water tank and stop to go up water; The unlatching pressure of one way pressure-reducing valve [132] is near the withstand voltage limit value of solar water heater water tank, when internal pressure near the withstand voltage limit value of water tank, open the decompression that discharges water, avoid water tank to be damaged by pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102493594A CN101922812A (en) | 2010-07-19 | 2010-08-10 | Solar water heater overfilling-prevention and emptying device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010229582.2 | 2010-07-19 | ||
| CN201010229582 | 2010-07-19 | ||
| CN2010102493594A CN101922812A (en) | 2010-07-19 | 2010-08-10 | Solar water heater overfilling-prevention and emptying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101922812A true CN101922812A (en) | 2010-12-22 |
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ID=43337896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102493594A Pending CN101922812A (en) | 2010-07-19 | 2010-08-10 | Solar water heater overfilling-prevention and emptying device |
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| Country | Link |
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| CN (1) | CN101922812A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195956A (en) * | 2013-03-26 | 2013-07-10 | 西安建筑科技大学 | Self-operated protective valve for evacuated tube collector array |
| CN109084054A (en) * | 2018-09-12 | 2018-12-25 | 天津腾达集团有限公司 | It is a kind of to have the function of anti-deformation and convenient for the steel construction piece check-valves of connection |
-
2010
- 2010-08-10 CN CN2010102493594A patent/CN101922812A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195956A (en) * | 2013-03-26 | 2013-07-10 | 西安建筑科技大学 | Self-operated protective valve for evacuated tube collector array |
| CN103195956B (en) * | 2013-03-26 | 2014-11-26 | 西安建筑科技大学 | Self-operated protective valve for evacuated tube collector array |
| CN109084054A (en) * | 2018-09-12 | 2018-12-25 | 天津腾达集团有限公司 | It is a kind of to have the function of anti-deformation and convenient for the steel construction piece check-valves of connection |
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Application publication date: 20101222 |