CN203412781U - Solar water heater and water-saving pump thereof - Google Patents
Solar water heater and water-saving pump thereof Download PDFInfo
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- CN203412781U CN203412781U CN201320455425.2U CN201320455425U CN203412781U CN 203412781 U CN203412781 U CN 203412781U CN 201320455425 U CN201320455425 U CN 201320455425U CN 203412781 U CN203412781 U CN 203412781U
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- water
- outlet pipe
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model relates to a solar water heater and a water-saving pump thereof. The water-saving pump comprises a centrifugal pump, an uplink water outlet pipe and a downlink water outlet pipe, wherein the centrifugal pump comprises a chamber, the chamber is provided with a water inlet and a water outlet, the water outlet is communicated with the bottom of the uplink water outlet pipe, the upper end of the uplink water outlet pipe is communicated with the upper end of the downlink water outlet pipe, and also provided with an air inlet structure allowing air to flow, an impeller is arranged in the chamber, the impeller is also connected with a rotation axis, and the rotation axis extends out from the water inlet and is connected with a motor. According to the solar water heater with the water-saving pump, a water flow can enter the chamber from the water inlet by using the self-gravity thereof, so that the motor is completely isolated from water, and thus potential safety hazards are eliminated; the water-saving pump is simple in structure, the centrifugal pump, the uplink water outlet pipe, the downlink water outlet pipe and a supporting sleeve can be subjected to integral injection molding, therefore, a phenomenon of leakage is eliminated, and the water-saving pump is long-term reliable; parts required to be assembled are fewer, and thus the production processes are reduced, mass production is applicable, and the production cost is reduced.
Description
Technical field
The utility model relates to the water-saving technology field of solar water heater, particularly a kind of solar water heater and water saving pump thereof.
Background technique
The hot water supply of existing solar water heater relies on the effect of water self gravitation to flow out, and the emptying pipe line evacuation valve that adopts carries out.This structure has the following disadvantages: hydraulic pressure is not enough, and user uses current little, uncomfortable; In the sealing configuration of pipe line evacuation valve, there is motive sealing, easily produce and leak, unreliable; The complex structure of pipe line evacuation valve.
Chinese patent CN102943771A < < solar water heater hot water pressurized & evacuated column pump > > discloses a kind of hot water pressurized & evacuated column pump for solar water heater, after water pump quits work, in descending outlet pipe, remaining water can rely on water self gravitation to flow out, thereby realize pipeline evacuation surplus hot water object, and realize next water once opening out hot water, can play the effect of water saving.The wheel rotation central shaft of this pressurized & evacuated column pump is parallel with water tank, and the mutual level of motor and impeller is installed, and causes the installing stopper of pump housing lower end and motor overall dimensions larger, therefore, installing stopper can not or major part can not be inserted in the thermal insulation layer of solar energy, can only be exposed in air.If in the situation that weather is colder, installing stopper there will be freezing phenomenon, causes impeller to rotate, thereby solar water heater cannot water outlet, causes very large inconvenience on the contrary to user.
For the problems referred to above, someone had a go at improvement, but effect is all undesirable, for example, by motor being set to the volume that other places reduce pump housing lower end assembly: motor is arranged on to water pipe top, then by rotating shaft, drive the impeller in the installing stopper of pump housing lower end, after the drain pump of this structure and solar water heater are installed, motor is in water tank.Because installing stopper side does not have motor, size is less, thereby can together be inserted in the thermal insulation layer of solar energy with the pump housing, reaches antifreeze object.But the motor of this structure is in water tank, therefore very high to the seal request of motor, complex manufacturing only not, and also cost also increases much.
Model utility content
The technical problems to be solved in the utility model is: in order to overcome in prior art, the installing stopper of solar water heater hot water drain pump is exposed in air, the in the situation that of cold weather, easily there is freezing phenomenon, cause the deficiency that solar water heater cannot water outlet, the utility model provides a kind of solar water heater and water saving pump.
The utility model solves the technological scheme that its technical problem adopts: a kind of solar water heater water saving pump, described solar water heater comprises water tank, described water saving pump comprises centrifugal pump, up outlet pipe and descending outlet pipe, described centrifugal pump comprises chamber, described chamber has water intake and water outlet, described water outlet is communicated with the bottom of up outlet pipe, the upper end of described up outlet pipe is communicated with the upper end of descending outlet pipe, also there is the air intake structure that allows gas to flow into, described air intake structure can be inlet hole, the structures such as air inlet seam, also can be the microstructure that only allows gas to enter not allow liquid to flow out, described air intake structure makes the pressure at descending outlet pipe two ends identical, guarantee when centrifugal pump quits work, Yu Shuineng in described descending outlet pipe relies on self gravitation to discharge, in described chamber, be provided with impeller, described impeller is also connected with rotatingshaft, described rotatingshaft is extended out and is connected with motor by water intake, described motor is positioned at the top of impeller, the bearing of trend of described rotatingshaft and chamber axially roughly the same, the upper end of described descending outlet pipe is higher than the liquid level of Water in Water Tanks, the supporting sleeve that anti-sealing pours into from the upper end of descending outlet pipe, this solar water heater water saving pump is being coordinated with water tank after installation, in order to utilize the self gravitation of water, flow into water intake, described centrifugal pump is the bottom position that is arranged at water tank, and described water intake is opened the top at chamber, and impeller is in water tank bottom, and motor is positioned at the top of impeller, so just can not exist the water can be along the problem of rotatingshaft flow direction motor, and the length of described rotatingshaft can, according to the size setting of water tank, be enough to guarantee outside the water space of motor in water tank.
Described up outlet pipe upper end is provided with for being communicated with the connecting head of up outlet pipe and descending outlet pipe with descending outlet pipe upper end, reduced like this difficulty of the integrated injection molding of up outlet pipe and descending outlet pipe, described air intake structure is the inlet hole being opened on connecting head, and described inlet hole also can be located at the upper end of up outlet pipe or descending outlet pipe.
Described descending outlet pipe stretches out outside centrifugal pump through centrifugal pump and lower end, facilitates being connected of descending outlet pipe and external pipe, guarantees smooth and easy water outlet.
For rotatingshaft and impeller can be stable rotation, so also comprise for passive supporting sleeve between motor and centrifugal pump, on the sidewall of described supporting sleeve, offer for allowing the water of water tank flow into the first through hole in supporting sleeve, described the first through hole offer position lower than water storage liquid level in water tank and higher than water intake, described water intake is communicated with the cavity in supporting sleeve, and described supporting sleeve also can be replaced with the many spaced struts with supporting effect.
The lower end of described supporting sleeve is fixedly connected with centrifugal pump or described supporting sleeve and centrifugal pump are integrated injection structure, upper end is connected with motor installation room, described motor installation room is connected with the upper end of supporting sleeve by a bellmouth, and described bellmouth wraps the upper end of supporting sleeve.
A kind of concrete mounting type of described motor is: described motor installation room has for placing the motor cavity of motor, described motor installation room upper end is opened wide, lower end has base plate, on described base plate, offer the second through hole that the output shaft of power supply machine stretches out, described rotatingshaft is connected with the output shaft of motor, and the upper end of described motor installation room is also provided with lid.
On described centrifugal pump, be also arranged with the fixed cover for sealed chamber bottom, prevent that the water in water tank and chamber from revealing.
In order to make the stable rotation of described rotatingshaft energy, on bottom surface in described fixed cover, there is the groove that holds rotatingshaft lower end, described fixed cover also has the hollow cylinder stretching out for descending outlet pipe, described hollow cylinder also plays fixation to descending outlet pipe, described fixed cover integrated injection molding, compact structure, plays above-mentioned multiple effect.
A kind of solar water heater with solar water heater water saving pump, described water tank upper end offers upper end hole, described motor installation room is arranged on outside, water tank upper end and fixes by upper end hole and water tank, the bottom of described water tank offers lower stomidium, and described descending outlet pipe stretches out outside lower stomidium through described lower stomidium and lower end.
As preferably, described rotatingshaft is roughly vertical with water tank level.
The beneficial effects of the utility model are, this solar water heater with solar water heater water saving pump, centrifugal pump is installed on the bottom of water tank, water outlet is opened in the top of chamber, current rely on the gravity of self just can enter chamber from water intake, rotatingshaft lower end connects impeller, rotatingshaft upper end can extend to the place of water isolation always and be connected with motor according to the size of water tank, motor can not soaked in water, and motor is positioned at the top of impeller, can not produce water and along rotatingshaft, flow into the problem of motor yet, motor is isolated with water completely, stopped potential safety hazard, in addition, the utility model can also provide hot water supercharging, and user uses more comfortable, simple in structure, centrifugal pump, up outlet pipe, descending outlet pipe and supporting sleeve can integrated injection moldings, stopped leakage phenomenon, reliably and with long-term, need the part of assembling seldom, reduced production process, adapt to and produce in enormous quantities, reduced cost of production.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the embodiment's of solar water heater water saving pump of the present utility model blast structural drawing.
Fig. 2 is the embodiment's of solar water heater water saving pump of the present utility model blast structural drawing.
Fig. 3 is the embodiment's of solar water heater water saving pump of the present utility model local structural graph.
Fig. 4 is the embodiment's of solar water heater water saving pump of the present utility model local structural graph.
Fig. 5 is the embodiment's of solar water heater of the present utility model structural representation.
1 centrifugal pump in figure, 1-1, water intake, 1-2, water outlet, 1-3, chamber, 2, up outlet pipe, 3, descending outlet pipe, 4, impeller, 5, rotatingshaft, 6, motor, 7, connecting head, 7-1, inlet hole, 8, supporting sleeve, 8-1, the first through hole, 9, motor installation room, 9-1, motor cavity, 9-2, base plate, 9-3, the second through hole, 10, water tank, 11, lid, 12, fixed cover, 12-1, groove, 12-2, hollow cylinder.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As Figure 1-4, solar water heater water saving pump of the present utility model, solar water heater comprises water tank 10, water saving pump comprises centrifugal pump 1, up outlet pipe 2 and descending outlet pipe 3, centrifugal pump 1 comprises chamber 1-3, chamber 1-3 has water intake 1-1 and water outlet 1-2, water outlet 1-2 is communicated with the bottom of up outlet pipe 2, up outlet pipe 2 upper ends are provided with for being communicated with the connecting head 7 of up outlet pipe 2 and descending outlet pipe 3 with descending outlet pipe 3 upper ends, on connecting head 7, there is the inlet hole 7-1 that allows gas to flow into, the upper end of descending outlet pipe 3 is higher than the liquid level of water in water tank 10, in chamber 1-3, be provided with impeller 4, impeller 4 is also connected with rotatingshaft 5, rotatingshaft 5 extends out and is connected with motor 6 by water intake 1-1, motor 6 is positioned at the top of impeller 4, the bearing of trend of rotatingshaft 5 and chamber 1-3's is axially roughly the same, this solar water heater water saving pump is being coordinated with water tank 10 after installation, in order to utilize the self gravitation of water, flow into water intake 1-1, centrifugal pump 1 is the bottom position that is arranged at water tank 10, water intake 1-1 is opened in the top of chamber 1-3, impeller 4 is in water tank 10 bottoms, and motor 6 is positioned at the top of impeller 4, so just can not exist the water can be along the problem of rotatingshaft 5 flow direction motors 6, the length of rotatingshaft 5 can be according to the size setting of water tank 10, be enough to guarantee outside the water space of motor 6 in water tank 10, descending outlet pipe 3 stretches out outside centrifugal pump 1 through centrifugal pump 1 and lower end, facilitate being connected of descending outlet pipe 3 and external pipe, guarantee smooth and easy water outlet, on centrifugal pump 1, be also arranged with the fixed cover 12 for the 1-3 of sealed chamber bottom, prevent the water leakage in water tank 10 and chamber 1-3, in order to make the stable rotation of rotatingshaft 5 energy, on bottom surface in fixed cover 12, there is the groove 12-1 that holds rotatingshaft 5 lower ends, fixed cover 12 also has the hollow cylinder 12-2 stretching out for descending outlet pipe 3, hollow cylinder 12-2 also plays fixation to descending outlet pipe 3, and fixed cover 12 is integrated injection structure,
For rotatingshaft 5 and impeller 4 can be stable rotation, so also comprise for passive supporting sleeve 8 between motor 6 and centrifugal pump 1, on the sidewall of supporting sleeve 8, offer for allowing the water of water tank 10 flow into the first through hole 8-1 in supporting sleeve 8, the first through hole 8-1 offers position lower than water storage liquid level in water tank 10 and higher than water intake 1-1, and water intake 1-1 is communicated with the cavity in supporting sleeve 8; The lower end of supporting sleeve 8 is fixedly connected with centrifugal pump 1 or supporting sleeve 8 is integrated injection structure with centrifugal pump 1, upper end is connected with motor installation room 9, motor installation room 9 is connected with the upper end of supporting sleeve 8 by a bellmouth, bellmouth wraps the upper end of supporting sleeve 8, motor installation room 9 has for placing the motor cavity 9-1 of motor 6, motor installation room 9 upper ends are opened wide, lower end has base plate 9-2, on base plate 9-2, offer the second through hole 9-3 that the output shaft of power supply machine 6 stretches out, rotatingshaft 5 is connected with the output shaft of motor 6, and the upper end of motor installation room 9 is also provided with lid 11.
As shown in Figure 5, the solar water heater with solar water heater water saving pump of the present utility model, water tank 10 upper ends offer upper end hole, it is outside and fixing by upper end hole and water tank 10 that motor installation room 9 is arranged on water tank 10 upper ends, rotatingshaft 5 is roughly vertical with water tank 10 liquid levels, supporting sleeve 8 is arranged on water tank 10, the upper end of supporting sleeve 8 is connected at upper end hole place with the lower end of motor installation room 9, the bottom of water tank 10 offers lower stomidium, fixed cover 12 is fixed in the lower end perforate of water tank 10 and is connected with centrifugal pump 1, descending outlet pipe 3 stretches out water tank 10 from the hollow cylinder 12-2 of fixed cover 12, be connected with outer water tube.
As shown in Figure 5, according to specific embodiment, illustrate that water saving principle of the present utility model is: due to Action of Gravity Field, water in water tank 10 enters chamber 1-3 from water intake 1-1 automatically, when motor 6 energising, by impeller 4 rotation by hot water pump up, through water outlet 1-2, enter up outlet pipe 2, current up send through up outlet pipe 2, to the relative eminence higher than water tank 10 metal lines or overflow layer, current are by descending under the double action in water self gravitation and water-aspirator pressure, then from descending outlet pipe 3 to user's water spot; After motor 6 quits work, the effect of the inlet hole 7-1 communicating due to the metal line upper air with water tank 10, the interior remaining water of descending outlet pipe 3 can rely on water self gravitation to flow out, thereby realizes pipeline evacuation surplus hot water object, and next water can go out hot water once opening.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this model utility technological thought, carry out various change and modification completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (10)
1. solar water heater water saving pump, described solar water heater comprises water tank (10), described water saving pump comprises centrifugal pump (1), up outlet pipe (2) and descending outlet pipe (3), described centrifugal pump (1) comprises chamber (1-3), described chamber (1-3) has water intake (1-1) and water outlet (1-2), it is characterized in that: described water outlet (1-2) is communicated with the bottom of up outlet pipe (2), the upper end of described up outlet pipe (2) is communicated with the upper end of descending outlet pipe (3), also there is the air intake structure that allows gas to flow into, in described chamber (1-3), be provided with impeller (4), described impeller (4) is also connected with rotatingshaft (5), described rotatingshaft (5) extends out and is connected with motor (6) by water intake (1-1), described motor (6) is positioned at the top of impeller (4), the bearing of trend of described rotatingshaft (5) and chamber (1-3) axially roughly the same, the upper end of described descending outlet pipe (3) is higher than the liquid level of water in water tank (10).
2. solar water heater as claimed in claim 1 water saving pump, it is characterized in that: described up outlet pipe (2) upper end is provided with for being communicated with the connecting head (7) of up outlet pipe (2) and descending outlet pipe (3) with descending outlet pipe (3) upper end, described air intake structure is for being opened in the inlet hole (7-1) on connecting head (7).
3. solar water heater water saving pump as claimed in claim 1, is characterized in that: described descending outlet pipe (3) stretches out outside centrifugal pump (1) through centrifugal pump (1) and lower end.
4. solar water heater as claimed in claim 1 water saving pump, it is characterized in that: also comprise for passive supporting sleeve (8) between motor (6) and centrifugal pump (1), on the sidewall of described supporting sleeve (8), offer for allowing the water of water tank (10) flow into the first through hole (8-1) in supporting sleeve (8), described the first through hole (8-1) offer position lower than water storage liquid level in water tank (10) and higher than water intake (1-1), described water intake (1-1) cavity interior with supporting sleeve (8) is communicated with.
5. solar water heater as claimed in claim 4 water saving pump, it is characterized in that: the lower end of described supporting sleeve (8) is fixedly connected with centrifugal pump (1) or described supporting sleeve (8) is integrated injection structure with centrifugal pump (1), and upper end is connected with motor installation room (9).
6. solar water heater as claimed in claim 5 water saving pump, it is characterized in that: described motor installation room (9) has the motor cavity (9-1) for placing motor (6), described motor installation room (9) upper end is opened wide, lower end has base plate (9-2), on described base plate (9-2), offer the second through hole (9-3) that the output shaft of power supply machine (6) stretches out, the upper end of described motor installation room (9) is also provided with lid (11).
7. solar water heater water saving pump as claimed in claim 5, is characterized in that: also comprise the fixed cover (12) for sealed chamber (1-3) bottom being set on centrifugal pump (1).
8. solar water heater as claimed in claim 7 water saving pump, it is characterized in that: on the bottom surface in described fixed cover (12), have the groove (12-1) for stable rotation axle (5), described fixed cover (12) also has the hollow cylinder (12-2) stretching out for descending outlet pipe (3).
9. a solar water heater with solar water heater water saving pump described in claim 1～8 any one, it is characterized in that: described water tank (10) upper end offers upper end hole, it is outside and fixing by upper end hole and water tank (10) that described motor installation room (9) is arranged on water tank (10) upper end, the bottom of described water tank (10) offers lower stomidium, and described descending outlet pipe (9) stretches out outside lower stomidium through described lower stomidium and lower end.
10. solar water heater as claimed in claim 9, is characterized in that: described rotatingshaft (5) is roughly vertical with water tank (10) liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455425.2U CN203412781U (en) | 2013-07-29 | 2013-07-29 | Solar water heater and water-saving pump thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455425.2U CN203412781U (en) | 2013-07-29 | 2013-07-29 | Solar water heater and water-saving pump thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412781U true CN203412781U (en) | 2014-01-29 |
Family
ID=49975671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320455425.2U Expired - Lifetime CN203412781U (en) | 2013-07-29 | 2013-07-29 | Solar water heater and water-saving pump thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412781U (en) |
-
2013
- 2013-07-29 CN CN201320455425.2U patent/CN203412781U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 Zhencen Village, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Huayang Intelligent Equipment Co.,Ltd. Address before: 213104 No. 8 Cencun Road, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: JIANGSU HUAYANG ELECTRICAL APPLIANCES Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |