CN201476358U - Intelligent automatic water filling device of solar water heater - Google Patents
Intelligent automatic water filling device of solar water heater Download PDFInfo
- Publication number
- CN201476358U CN201476358U CN2009201680986U CN200920168098U CN201476358U CN 201476358 U CN201476358 U CN 201476358U CN 2009201680986 U CN2009201680986 U CN 2009201680986U CN 200920168098 U CN200920168098 U CN 200920168098U CN 201476358 U CN201476358 U CN 201476358U
- Authority
- CN
- China
- Prior art keywords
- water tank
- water
- ball
- valve
- cock assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to an intelligent automatic water filling device of a solar water heater, which comprises a solar water heater water tank, a floating-ball valve, a thermal expansion valve and relevant control parts, and is characterized in that a valve body is arranged inside the water tank, the valve body is provided with an inner water tank, and the floating-ball valve which is controlled by the water level to open and close the inlet water is arranged inside the inner water tank. The valve body outside the inner water tank is respectively provided with the thermal expansion valve and the floating-ball valve; and the thermal expansion valve is controlled by the temperature of the hot water inside the solar water tank to open and to close the inner water tank, and the floating-ball valve is controlled by the water level inside the solar water tank to open and to close the water level of the inner water tank so as to realize the intelligent automatic water filling. The weaknesses of the manual control and the electronic control can be overcome, and the intelligent automatic water filling device has the advantages of practicability, convenience, simple structure, energy conservation and the like.
Description
Technical field:
The utility model relates to a kind of solar water heater intelligence automatic water-supply apparatus.
Background technology:
The solar water heater water-supply apparatus leans on water on the Artificial Control valve at present, or realizes that with the Electronic Control electromagnetic valve switch water is gone up in control automatically, needs consumes energy, has increased cost, and easy the damage.
Summary of the invention:
The purpose of this utility model provide a kind of simple in structure, working stability reliable, need not manually-operated, need not to provide power supply, adopt pure mechanical water level and water temperature to control the intelligent automatic water-supply apparatus of solar water heater of water.
The technical solution adopted in the utility model is: the intelligent automatic water-supply apparatus of configuration in common solar water heater water tank.This intelligence automatic water-supply apparatus is made up of solar water heater water tank, inner water tank, ball-cock assembly, floating drum, thermal expansion valve, water inlet pipe and water outlet pipe and correlation control unit.Valve body in the water tank is sealedly and fixedly connected at water tank bottom by the water tank water intake pipe nipple, and ball-cock assembly able to turn on or off between water inlet pipe and the water tank is arranged on the valve body in inner water tank, and it is connected by company's rope and is subjected to the water level in the inner water tank to control floating drum up and down; Have on the valve body outside inner water tank by able to turn on or off ball-cock assembly between the water tank of cistern water level control and the inner water tank, ball-cock assembly is connected by valve rod with floating drum; Be subjected to able to turn on or off thermal expansion valve between coolant controlled water tank in the water tank and the inner water tank on the valve body outside inner water tank in addition.After adopting said structure, because inner water tank is anhydrous, ball-cock assembly in the inner water tank is opened, and makes the water in the water inlet pipe flow into water tank by valve opening, and the water level in the water tank improves, thereby close the ball-cock assembly between water tank and the inner water tank, water is filled it up with after the water tank, and water flows into inner water tank, and the water level in the inner water tank rises, make the ball-cock assembly in the floating drum pulling inner water tank, make the water of water inlet pipe stop to flow into water tank.When using solar water heater, hot water flows out outlet pipe, and the hot water water level in the water tank descends, because the ball-cock assembly on the valve body is in closed condition, the water level in the inner water tank remains unchanged, so the ball-cock assembly in the inner water tank also is in closed condition.When the hot water in the water tank reached the thermal expansion valve design temperature, the thermal expansion valve on the valve body was opened the passage between inner water tank and the water tank automatically, and the water level in the inner water tank descends, floating drum moves down, open the ball-cock assembly in the inner water tank, make the water in the water inlet pipe flow into water tank, and fill it up with water tank by valve opening.Hot water in the water tank flows into inner water tank, makes the water of water inlet pipe stop to flow into water tank, because the hot water in the water tank mixes with cold water, water temperature drops to the thermal expansion valve design temperature, and thermal expansion valve cuts out.Water in solar water container makes when using up, and the ball-cock assembly on the inner water tank outer valve is opened, and makes the water in the inner water tank flow into water tank, opens the water inlet ball-cock assembly, goes round and begins again, and reaches the purpose of intelligent automatic loading water.
Having adopted in the above-mentioned solution on the valve body of inner water tank has ball-cock assembly able to turn on or off between water inlet pipe and the water tank, thereby after opening thermal expansion valve, can only fill it up with water tank, so the water temperature in the water tank does not reach requirement.In order to address the above problem, set up latching device on the valve body in inner water tank, set up control lever on the able to turn on or off ball-cock assembly between water tank and the inner water tank, and penetrate inner water tank, and above penetrating the control lever of inner water tank, the snap close support is arranged, the snap close of flexible connection is arranged on the support, the extension hasp is arranged on the snap close, interlock with the valve rod on the inner water tank ball-cock assembly, make the snap close locking or open control lever, thus able to turn on or off ball-cock assembly between control water tank and the inner water tank.Inner water tank ball-cock assembly in this programme makes water inlet pipe communicate with inner water tank when opening and closing or closes.When solar water container is anhydrous, the valve rod that floating drum on the ball-cock assembly in the inner water tank links to each other falls, the hasp that rides on the valve rod falls simultaneously, make snap close enter the latched position of control lever top, move on the locking control lever, make the ball-cock assembly on the valve body be in opening, the ball-cock assembly in the inner water tank also is in opening, water in the water inlet pipe flows into inner water tank, and the outflow inner water tank enters water tank from the ball-cock assembly that the latching device locking is opened; After water is filled it up with water tank, draw on the floating drum in the inner water tank, valve rod is held on the hasp and is moved, and makes snap close break away from control lever, the ball-cock assembly on the closing control bar.When using solar water heater, the hot water water level in the flow of hot water outlet pipe, water tank descends, because the ball-cock assembly on the valve body has been closed the passage between inner water tank and the water tank, the ball-cock assembly in the inner water tank is closed into water.When the hot water in the water tank reaches the temperature of thermal expansion valve setting, thermal expansion valve on the valve body is opened automatically, make the water in the inner water tank flow into water tank, water level in the inner water tank descends, the valve rod that floating drum connects descends simultaneously, ball-cock assembly in the inner water tank is opened, water in the water inlet pipe flows into inner water tank, and flow into water tank from the passage that thermal expansion valve is opened, hot water temperature in the water tank is descended, when temperature dropped to the thermal expansion valve design temperature, thermal expansion valve cut out automatically, reached the purpose that the intelligent automatic control water temperature goes up water.Valve rod on the above inner water tank ball-cock assembly descends, and the hasp that rides on the valve rod breaks away from valve rod, and the controlled bar of snap close that hasp links to each other stops, can not enter latched position, can only wait water tank anhydrous, and ball-cock assembly is opened, and snap close just can enter latched position when control lever moved down.
Ball-cock assembly passage on this latching device, in the time of can being set as the ball-cock assembly unlatching in inner water tank, the water inlet pipe passage is controlled by the ball-cock assembly on the latching device, when the ball-cock assembly of latching device is opened, water inlet pipe communicates with water tank, and when closing, water inlet pipe is identical with inner water tank, but totally be subjected to the ball-cock assembly control in the inner water tank to open and close water inlet, this scheme comprises thermal expansion valve.
This latching device can reach the valve that draws that constitutes with valve piece all-in-one-piece valve rod, floating drum by the valve pocket on valve body, valve piece, inlet opening, delivery port, block water plate and replace.When water tank is full of water, enter water in the inner water tank and make on the floating drum and move, the valve rod that links to each other with floating drum, valve piece rise, and seal delivery port; When water tank is anhydrous, ball-cock assembly on the water tank outer valve is opened, make the water in the inner water tank flow into water tank, the inner water tank water level descends, and the valve piece in the valve pocket drops on block water plate under the effect of gravity, ball float draws valve to be in opening, when water inlet, ball float draws valve can only wait water to fill it up with water tank and just can close, and plays the latching device identical functions.
More than several solutions also can constitute by the ball-cock assembly on ball-cock assembly on the inner water tank inner valve body and the inner water tank outer valve.Above solar energy intelligent water-supply apparatus can also constitute intelligent automatic water-supply apparatus by inside and outside water tank independently, forms with solar water heater water tank is supporting.
Description of drawings:
Fig. 1 is the partial sectional view of solar water heater intelligence automatic water-supply apparatus first embodiment of the present utility model.
Fig. 2 is the partial sectional view of solar water heater intelligence automatic water-supply apparatus second embodiment of the present utility model.
Fig. 3 is the partial sectional view of solar water heater intelligence automatic water-supply apparatus the 3rd embodiment of the present utility model.
Specific embodiments:
Solar water heater intelligence automatic water-supply apparatus shown in Figure 1 is made up of solar water container (2), inner water tank (10), ball-cock assembly (9), (15), floating drum (1), (12), thermal expansion valve (7), water inlet pipe (6), outlet pipe (8) and correlation control unit.Valve body (4) in the water tank (2) by tank inlet pipe (6) connect mouth, clamp nut (5) is sealedly and fixedly connected.Valve body (4) has the inner water tank (10) that is tightly connected, ball-cock assembly (9) able to turn on or off between water tank (2) and the inner water tank (10), thermal expansion valve (7) are also arranged respectively on the valve body (4), on the valve body (4) in inner water tank (10) valve opening (28) is arranged, valve opening (28) communicates with water tank (2), between valve opening (28) and the water inlet pipe (6) able to turn on or off ball-cock assembly (15) is arranged, ball-cock assembly (15) links to each other with floating drum (12) by connecting rope (11), and ball-cock assembly (9) is fixedlyed connected with floating drum (1) by valve rod (3).Inner water tank (10) on the valve body (4) suitable for reading at the top of water tank (2) can only be when water tank (2) full water, and the water in the water tank (2) can advection be gone into inner water tank (10).According to Fig. 1 water tank (2) is full water state, floating drum (12) in the inner water tank (10) floats over inner water tank (10) top under buoyancy function, ball-cock assembly (15) is closed, and also is in closed condition under the effect of ball-cock assembly (9) water in water tank (2) on inner water tank (10) outer valve (4).Thermal expansion valve (7) on the valve body (4) is determined to open and close by the water temperature in the water tank (2), and when design temperature was following, thermal expansion valve (7) was a closed condition to water temperature at thermal expansion valve (7).Water tank (2) does not communicate with inner water tank (10), water temperature thermal expansion valve (7) when design temperature is above water tank (2) communicate with inner water tank (10).Because of water tank (2) at full water state, inner water tank (10) and water tank (2) do not have water-head, thermal expansion valve (7) is no matter communicate or cut out, the ball-cock assembly (15) in the inner water tank (10) all is in closed condition, can not leak.When using solar water heater, hot water flows out from outlet pipe (8), carry out tonifying Qi by blast pipe (16), the interior water level of water tank (2) descends, water level in the inner water tank (10) remains unchanged, when the hot water in the water tank (2) is used up, floating drum (1) descends, ball-cock assembly (9) is opened, make the water in the inner water tank (10) flow into water tank (2), the water level in the inner water tank (10) descends floating drum (12), and ball-cock assembly (15) is opened, water in the water inlet pipe (6) flows into water tank (2) by valve opening (28), realizes the function of intelligent automatic loading water.
Fig. 2 is solar water heater intelligence automatic water-supply apparatus second embodiment of the present utility model, can set up control lever (17) and penetrate inner water tank (10) on the ball-cock assembly (9) in Fig. 1, located snap close support (18) at the control lever that penetrates inner water tank (10) (17), snap close (19) is movable spacing on support (18) by pin (20), the hasp (21) that extension is arranged on the snap close (19), it becomes buckle structure mutually with valve rod (14) on the ball-cock assembly (15), make limit lock catch (19) locking or open control lever (17), the valve rod (3) on control lever (17) and the ball-cock assembly (9), floating drum (1) restricts able to turn on or off ball-cock assembly (9) jointly.Ball-cock assembly (15) in the inner water tank (10), during keying, water inlet pipe (6) communicates with inner water tank (10) or closes.Fig. 2, when water tank (2) is full water state, valve rod (14) moves under buoyancy function and closes ball-cock assembly (15), the hasp (21) that rides on the valve rod (14) moves simultaneously, make the snap close (19) on the support (18) break away from control lever (17), floating drum (1) rises, and ball-cock assembly (9) is in closed condition.When using solar water heater, hot water in the water tank (2) flows out outlet pipe (8), water level in the water tank (2) descends, because of the ball-cock assembly (9) on the valve body (4) is in closed condition, thermal expansion valve (7) does not reach design temperature, also be in closed condition, so the water level in the inner water tank (10) does not change.When the water temperature in the water tank (2) is brought up to the design temperature of thermal expansion valve (7), thermal expansion valve (7) is opened, water level in the inner water tank (10) descends, ball-cock assembly (15) is opened, water in the water inlet pipe (6) flows into inner water tank (10), and flow to water tank (2) from the passage of thermal expansion valve (7), water tank charges into cold water in (2), water temperature is dropped to below the design temperature of thermal expansion valve (7), thermal expansion valve (7) cuts out the passage between water tank (2) and the inner water tank (10), water level in the inner water tank (10) improves, and closes ball-cock assembly (15), realizes water level and temperature control automatic loading water.
Fig. 3 is solar water heater intelligence automatic water-supply apparatus the 3rd embodiment of the present utility model, valve pocket (22) is arranged on the valve body in Fig. 3 (4), valve piece (23) is arranged in the valve pocket (22), valve rod (25) on the valve piece (23) passes delivery port (26), and has and connect rope (11) and connect floating drum (12), delivery port (26) by the formation floating drum pull bar valve that communicates with water inlet pipe (6) of the inlet opening (24) on the block water plate (13).Also be provided with ball-cock assembly (9) able to turn on or off between water inlet pipe (6) and the water tank (2) on the valve body (4), it is fixedlyed connected by valve rod (3) with floating drum (1).When water tank among Fig. 3 (2) is full water state, floating drum (12) is at water tank (2) top, floating drum (12) spurs valve rod (25) by connecting rope (11), valve piece (23) seals delivery port (26) under the double action of buoyancy and hydraulic pressure, and the ball-cock assembly (9) on the valve body (4) also is in closed condition under buoyancy.When using solar water heater, hot water flows out from outlet pipe (8), when the hot water in the water tank (2) is used up, floating drum (1) falls, ball-cock assembly (9) is opened, water in the water inlet pipe (6) flows into water tank (2), valve pocket (22) decompression, valve piece (23) are following the dropping on the block water plate (13) of effect of deadweight, when water level improves, under buoyancy, ball-cock assembly (9) is closed, and the water in the water inlet pipe (6) is by the inlet opening (24) on the block water plate (13), delivery port (26) flows into water tank (2), fills it up with until water tank (2), the valve piece (23) that floating drum (12) links to each other rises, valve piece (23) sealing delivery port (26).
According to the solar energy intelligent automatic water-supply apparatus among Fig. 1, can form automatic water-supply apparatus by ball-cock assembly (9) on the outer valve body (4) of the ball-cock assembly (15) of inner water tank (10) and inner water tank (10) and floating drum (12), the floating drum (1) that links to each other.
According to the solar energy intelligent automatic water-supply apparatus among Fig. 2, its latching device can be substituted by floating drum pull bar valve among Fig. 3.Being set as on the valve body (4) in the inner water tank (10) has floating drum pull bar valve able to turn on or off between ball-cock assembly (15) able to turn on or off between water inlet pipe (6) and the inner water tank (10), inner water tank (10) and the water tank (2) respectively, as the pull bar valve arrangement among Fig. 3.Be respectively equipped with ball-cock assembly (9) able to turn on or off between inner water tank (10) and the water tank (2), thermal expansion valve (7) on the valve body (4) outside inner water tank (10).
Certainly, this solar energy intelligent automatic water-supply apparatus is not limited to above-mentioned several form, if other water tank and the supporting formation water-head of inner water tank are arranged, and the automatic water-supply apparatus that utilizes law of buoyancy to form; The supporting formation water-head of water tank and inner water tank, that utilizes automatic water-supply apparatus that buoyancy and heating power principle form all belongs to protection scope of the present invention.
In addition, the present invention is not only applicable to solar water heater, for other similar automatic water-supply apparatus, as long as it has utilized the scheme of above-mentioned several automatic water-supply apparatus, belongs to protection scope of the present invention yet.
Claims (8)
1. solar water heater intelligence automatic water-supply apparatus, by solar water heater water tank, inner water tank, ball-cock assembly, floating drum, thermal expansion valve, water inlet pipe and water outlet pipe and correlation control unit are formed, it is characterized in that: the valve body (4) in the water tank (2) connects mouth by water tank (2) water inlet pipe (6) and is sealedly and fixedly connected, inner water tank (10) is arranged on the valve body (4), ball-cock assembly (9) able to turn on or off between water tank (2) and the inner water tank (10) is also arranged respectively on the valve body (4), thermal expansion valve (7), ball-cock assembly (15) able to turn on or off between water inlet pipe (6) and the water tank (2) is also arranged on the valve body (4) in inner water tank (10), ball-cock assembly (15) links to each other with floating drum (12) by connecting rope (11), and ball-cock assembly (9) is fixedlyed connected with floating drum (1) by valve rod (3).
2. solar water heater intelligence automatic water-supply apparatus according to claim 1, it is characterized in that: the valve body (4) in the water tank (2) is sealedly and fixedly connected in water tank (2) bottom by pipe connecting piece that penetrates water tank (2) and clamp nut (5), on the valve body (4) in inner water tank (10) valve opening (28) is arranged, valve opening (28) communicates with water tank (2), between valve opening (28) and the water inlet pipe (6) able to turn on or off ball-cock assembly (15) is arranged.
3. solar water heater intelligence automatic water-supply apparatus, form by solar water heater water tank, inner water tank, ball-cock assembly, floating drum, thermal expansion valve, water inlet pipe and water outlet pipe and correlation control unit, it is characterized in that: the valve body (4) in the water tank (2) connects mouth by water tank (2) water inlet pipe (6) and is sealedly and fixedly connected, inner water tank (10) is arranged on the valve body (4), on the valve body (4) in the inner water tank (10) ball-cock assembly (15) able to turn on or off between water inlet pipe (6) and the inner water tank (10) is arranged; Ball-cock assembly (9) able to turn on or off between water tank (2) and the inner water tank (10) is arranged on the valve body (4) outside inner water tank (10), be connected with control lever (17) on the ball-cock assembly (9) and penetrate inner water tank (10), located snap close support (18) at the control lever that penetrates inner water tank (10) (17), the snap close (19) that flexible connection is arranged on the support, the hasp (21) that extension is arranged on the snap close (19), it becomes buckle structure mutually with valve rod (14) on the ball-cock assembly (15), make snap close (19) locking or open control lever (17), the valve rod (3) on control lever (17) and the ball-cock assembly (9), floating drum (1) mutual restriction becomes able to turn on or off ball-cock assembly (9); Valve body (4) is gone up also has able to turn on or off thermal expansion valve (7) between water tank (2) and the inner water tank (10).
4. solar water heater intelligence automatic water-supply apparatus according to claim 3, it is characterized in that: the valve body (4) in the water tank (2) is sealedly and fixedly connected in water tank (2) bottom by pipe connecting piece that penetrates water tank (2) and clamp nut (5).
5. solar water heater intelligence automatic water-supply apparatus according to claim 4, it is characterized in that: on the valve body (4) in inner water tank (10) valve opening (28) is arranged, valve opening (28) communicates with water tank (2), between valve opening (28) and the water inlet pipe (6) able to turn on or off ball-cock assembly (15) is arranged, ball-cock assembly (15) is connected by connecting rope (11) with floating drum (12), ball-cock assembly (9) able to turn on or off between water tank (2) and the inner water tank (10) is arranged on the valve body (4) outside inner water tank (10), and ball-cock assembly (9) is by the fixedly connected floating drum of valve rod (3) (1).
6. according to claim 3 or 4 described solar water heater intelligence automatic water-supply apparatus, it is characterized in that: water tank (2) lower inside is by the water inlet pipe nipple valve body (4) that is sealedly and fixedly connected, valve body (4) is provided with inner water tank (10), ball-cock assembly (15) able to turn on or off between water inlet pipe (6) and the water tank (10) is arranged on the valve body (4) in inner water tank (10), ball-cock assembly (9) able to turn on or off between ball-cock assembly (15) and the inner water tank (10) is arranged on the valve body (4) outside inner water tank (10), also have able to turn on or off thermal expansion valve (7) between ball-cock assembly (15) and the inner water tank (10).
7. solar water heater intelligence automatic water-supply apparatus, by solar water heater water tank, inner water tank, ball-cock assembly, floating drum, thermal expansion valve, water inlet pipe and water outlet pipe and correlation control unit are formed, it is characterized in that: the valve body (4) in the water tank (2) connects mouth by the water inlet pipe (6) on the water tank (2) and is sealedly and fixedly connected in water tank (2) bottom, valve body (4) is provided with valve pocket (22), valve piece (23) is arranged in the valve pocket (22), valve rod (25) on the valve piece (23) passes delivery port (26), and there is the rope of company (11) to connect floating drum (12), valve piece (23) in the valve pocket (22) make under buoyancy and the hydraulic pressure effect between water inlet pipe (6) and the water tank (2) able to turn on or off, also be provided with ball-cock assembly (9) able to turn on or off between water inlet pipe (6) and the water tank (2) on the valve body (4), it is fixedlyed connected by valve rod (3) with floating drum (1).
8. solar water heater intelligence automatic water-supply apparatus, by solar water heater water tank, inner water tank, ball-cock assembly, floating drum, thermal expansion valve, water inlet pipe and water outlet pipe and correlation control unit are formed, it is characterized in that: the valve body (4) in the water tank (2) connects mouth by the water inlet pipe (6) on the water tank (2) and is sealedly and fixedly connected in water tank (2) bottom, inner water tank (10) is arranged on the valve body (4), be respectively equipped with ball-cock assembly (15) able to turn on or off between water inlet pipe (6) and the inner water tank (10) on the valve body (4) in inner water tank (10), able to turn on or off floating drum pull bar valve is arranged between inner water tank (10) and the water tank (2); Be respectively equipped with ball-cock assembly (9) able to turn on or off between inner water tank (10) and the water tank (2), thermal expansion valve (7) on the valve body (4) outside inner water tank (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201680986U CN201476358U (en) | 2009-08-10 | 2009-08-10 | Intelligent automatic water filling device of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201680986U CN201476358U (en) | 2009-08-10 | 2009-08-10 | Intelligent automatic water filling device of solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476358U true CN201476358U (en) | 2010-05-19 |
Family
ID=42412607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201680986U Expired - Fee Related CN201476358U (en) | 2009-08-10 | 2009-08-10 | Intelligent automatic water filling device of solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201476358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595383A (en) * | 2019-01-21 | 2019-04-09 | 程楚哲 | A kind of return water self-closing valve |
-
2009
- 2009-08-10 CN CN2009201680986U patent/CN201476358U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595383A (en) * | 2019-01-21 | 2019-04-09 | 程楚哲 | A kind of return water self-closing valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203129292U (en) | Low-flow started siphon water tank with water levels adjustable | |
| CN105926735B (en) | A kind of water tank drainage device using drainage with difference water pressure | |
| CN201476358U (en) | Intelligent automatic water filling device of solar water heater | |
| CN101441005A (en) | Automatic evacuation anti-freezing device of solar delivery pipeline | |
| CN201706055U (en) | Automatic water control valve and water tank using automatic water control valve | |
| CN103712349B (en) | The water-saving level control method of solar water container | |
| CN103353010B (en) | Built-in floating ball valve | |
| CN210179932U (en) | Automatic water injection and water inlet pipe residual water emptying device for water tank | |
| CN201917102U (en) | Drainage valve for solar water heater | |
| CN201180851Y (en) | Solar anti-freezing valve | |
| CN201819431U (en) | Intelligent full-automatic water feeding device of solar water heater | |
| CN201627934U (en) | Built-in automatic water charging valve for solar water heater | |
| CN207390939U (en) | With the device of buoyant lift material | |
| CN201318500Y (en) | Automatic water control valve | |
| CN201050902Y (en) | Domestic solar energy water heater water overflow automatic control valve | |
| CN2913751Y (en) | Air self-returning hot-water magnetic valve | |
| CN201753991U (en) | Device for turning off water supply of novel solar water heater full of water | |
| CN201513615U (en) | Secondary feedback type automatic valve | |
| CN219062533U (en) | Water sealed tank | |
| CN201757523U (en) | Solar waterway controller | |
| CN200958855Y (en) | Solar water heater of auxiliary electromagnetic safety instant heating | |
| CN102393086A (en) | Integral pressure-bearing frost-resisting flat plate solar water heater | |
| CN203348698U (en) | Built-in float ball valve | |
| CN203432120U (en) | Water inlet and outlet valve of solar water heater | |
| CN201126023Y (en) | Built-in type solar water heater water control apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20120810 |