CN205536549U - Water heater cold water reflux unit - Google Patents
Water heater cold water reflux unit Download PDFInfo
- Publication number
- CN205536549U CN205536549U CN201620051279.0U CN201620051279U CN205536549U CN 205536549 U CN205536549 U CN 205536549U CN 201620051279 U CN201620051279 U CN 201620051279U CN 205536549 U CN205536549 U CN 205536549U
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- Prior art keywords
- water
- fluid passage
- cold water
- water heater
- pumping device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 196
- 238000010992 reflux Methods 0.000 title claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 44
- 238000005086 pumping Methods 0.000 claims description 39
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 206010000060 Abdominal distension Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000003287 bathing Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Landscapes
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model provides a water heater cold water reflux unit, its characterized in that: have the ware of drawing water, the ware that draws water includes the body, and body cavity is controlled both ends and is a water end (W. E. ) and the end of intaking respectively, and the kenozooecium is as fluid passage in the body. Fluid passage's cross -sectional area follows the body both ends and diminishes gradually to the centre. Seting up a through -hole on the body and regarding as the mouth that draws water, the mouth that draws water is located fluid passage's the minimum department of cross -sectional area to be linked together with fluid passage. It is connected with the skirt that draws water of branch road as the water heater hot -water line to draw water mouthful, and the play water end (W. E. ) is connected with water container for water heater through the cold water back flow. Intaking and holding the exit end with adjusting valve to be connected, adjusting valve's I one end of entrance point and branch pipe is connected, and the water heater cold water pipe is connected to I other end of branch pipe. II intercommunication gondola water faucet switches and water heater cold water pipe of branch pipe. The utility model discloses the creation utilizes hydrodynamics principle and mechanical components and parts, under no power consumption condition, has realized the automatic backward flow of water heater cold water, and the device is simple, invests for a short time.
Description
Technical field
This utility model relates to a kind of water heater cold water reflux, particularly to a kind of mechanical water heater
Cold-water reflux device.
Background technology
Daily life use water heater especially family, barber shop, hotel, bath center etc. use shower dress
Put the most universal discontinuity hot water occasion, before carrying out bathing, in order to obtain suitable hot water temperature,
Need to bleed off one section of cold water in pipeline between water heater and bathing head in vain, cause the biggest water money
Source is wasted.Generally need to increase temperature-detecting device, profit on pipeline currently, with respect to water-saving device of water heater
Carry out circulating chilled water utilization with electromagnetic valve, or electric heater unit carries out post bake to cold water, but the party
The shortcoming of method is to need on pipeline at the beginning of reload temperature detection some electronic apparatus devices such as device, system complex
Input is relatively big, installs and inconvenient with using, and self needs again to consume electric power while water saving.
As Ma Zhiyan in 2014 deliver on " machinery and electronics " " pot-type boiler cold water automatic water-saving fills
Install meter and application ", describe a kind of cold water automatic circulation water-saving device used at pot-type boiler, it is heavy
Wanting technical scheme is the method installing electronic valve on the basis of former water-heater system additional, it is achieved that cold water in pipeline
Recycle, but the shortcoming of the method is to need reload temperature detection device and electromagnetic switch on pipeline
Valve, puts into relatively big, and electronic equipment and components and parts self need power consumption to add power consumption while making water saving,
The complex installation of simultaneity factor and use inconvenience, and there is the risk of electric leakage.
Patent document " solar water heater based on pipeline variable-frequency heating technology is saved water and energy, and (compile device by patent
Number: 201310230906) ", its main technical schemes is to utilize pipeline variable-frequency heating technology and electromagnetic valve to too
Cold water in sun energy water heater conduit carries out temperature regulation and heating, but the shortcoming of the method is system complex,
Power consumption increases, and there is the risk of electric leakage.
Summary of the invention
The present invention provides a kind of water heater cold water reflux, it is therefore an objective to solve prior art problem, it is provided that one
Planting device, under the conditions of without power consumption, it is achieved that water heater cold water refluxes, device is simple, invests little, uses
Easy to operate.
The present invention solves problem and the technical scheme is that
Water heater cold water reflux, has pumping device, and pumping device includes body, body hollow, left and right two
End is respectively water side and water inlet end, and its body hollow bulb is as fluid passage.The cross-sectional area of fluid passage
Taper into along body two ends to centre.Offering a through hole on body as pump mouth, this pump mouth is positioned at stream
At the cross-sectional area minimum of body passage, and it is connected with fluid passage.Whole fluid passage is between the alleviating distention in middle-JIAO of two ends
Narrow and meet Bernoulli's theorem.
Described pump mouth is connected with the skirt that draws water of the branch road as hot water tube of water heater, and water side is by cold
Water return duct is connected with water-heater water tank.
Described water inlet end is connected with the port of export of control valve, the entrance point of control valve and arm I one end
Being connected, arm I other end connects water heater cold water pipe.
Arm II connects shower nozzle switch and water heater cold water pipe.
When cold water be adjusted valve enter in pumping device time, the pressure at pump mouth diminishes, water heater hot-water
Cold water in pipe is drawn in pumping device.
Preferably, fluid passage is the taper that two tops are oppositely arranged.
Preferably, fluid passage be two tops in opposite directions and symmetrically arranged taper.Fluid channel design becomes should
The purpose of shape is to facilitate processing.
Preferably, interior at internal diameter and the cross-sectional area minimum of fluid passage of the pumping device port of export, entrance point
Footpath ratio is more than 6.So can make to produce at pump mouth comparatively ideal pressure reduction, obtain preferable cold-water reflux effect.
When opening control valve, tap water (cold water in hot water device cold water pipe) is entered by control valve
Enter pumping device.Fluid passage within pumping device is that two tapers are arranged symmetrically with, i.e. two ends, fluid passage
Cross-sectional area is big, and middle cross-sectional area is little, and pump mouth is positioned at pumping device fluid passage cross-sectional area minimum
Place (i.e. pumping device middle), according to fluid mechanics principle, it is permanent not that the water flowing in pipeline can regard ideal as
Compressible fluid, when line cross section amasss big, water velocity is little, cross-sectional area hour, and water velocity is big,
So when tap water arrives pumping device middle from pumping device water inlet end, the cross-sectional area of fluid passage is by greatly
Diminishing, water velocity is changed from small to big, and according to hydrodynamics Bernoulli equation, water velocity becomes big, then press
Power diminishes, and therefore the pressure at pump mouth diminishes, under the effect of pressure difference, and the heat being connected with the skirt that draws water
The cold water retained in hydrophone hot-water line will pass through pump mouth and causes the another port of pumping device.Through of short duration conducting
After drawing water, closing control valve, the water inlet of pumping device blocks, it is achieved thereby that automatic pumping function.
Beneficial effects of the present invention:
1. this utility model utilizes principles of fluid mechanics and mechanical components, under the conditions of without power consumption, real
Show water heater cold water automatic back flow, save water source, electric energy.
2. use purely mechanic components and parts, it is to avoid the risk of electric leakage.
3. device is simple, invests little, uses easy to operate, noncontinuity is used to the various fields of water heater
Conjunction can use, and has a extensive future.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the main pseudosection of pumping device；
Fig. 3 is the cut-away view of pumping device；
Fig. 4 is A portion enlarged drawing in Fig. 3.
In figure: 1. pumping device, 10. body, 11. water sides, 12. water inlet ends, 13. fluid passages, 14. lead to
Road, 15. pump mouths；
2. hot water tube of water heater, 3. draw water skirt, 4. cold-water reflux pipe, 5. water-heater water tank；
7. control valve, 70. ports of export, 71. entrance points；
8. water heater cold water pipe, 9. arm I, 20 arm II, 30. shower nozzle switch.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Water heater cold water reflux, has pumping device 1 (see Fig. 2,3,4), takes out as shown in Figure 1
Hydrophone 1 includes the body 10 of tubulose, body 10 hollow, and two ends, left and right are respectively water side 11 and water inlet end
12, its body hollow bulb is as fluid passage 13.The cross-sectional area of fluid passage 13 along body two ends to centre
Tapering into, therefore fluid passage 13 presents shape narrow between the alleviating distention in middle-JIAO of two ends.In the present embodiment, fluid passage
13 in two tops in opposite directions and symmetrically arranged taper, and similar hourglass, the passage 14 between two tapered tip is
Part the narrowest in fluid passage 13, is i.e. at the cross-sectional area minimum of fluid passage.Fluid passage 13 is adopted
It is to facilitate production and processing by the purpose of this hourglass shape, can also be actually unsymmetric profile, or shape
Shape is abnormity, as long as ensureing that whole body interior passage is narrow between the alleviating distention in middle-JIAO of two ends and meets Bernoulli's theorem.
Body 10 material of pumping device 1 can be metal or plastics.
Offering a through hole on body 10 as pump mouth 15, this pump mouth 15 is positioned at the transversal of fluid passage 13
At the minimum of area, the present embodiment is i.e. opened at passage 14, and is connected with fluid passage 13.
Described pump mouth 15 is connected with the skirt 3 that draws water of the branch road as hot water tube of water heater 2, water side
11 are connected with water-heater water tank 5 by cold-water reflux pipe 4.
Described water inlet end 12 is connected with the port of export 70 of control valve 7, the entrance point of control valve 71 with
One end of arm I 9 is connected, and the other end of arm I 9 is connected with water heater cold water pipe 8.
Arm II 20 connection shower nozzle switch 30 and water heater cold water pipe 8.
The skirt 3 that wherein draws water is connected by mantle fiber with pump mouth 15, the water inlet end 12 of pumping device and water side
11 outer threadings, are connected by screw thread is fixing with control valve 16.
The purpose of control valve 7 is to conveying cold water in pumping device 1, makes to produce at the pump mouth 15 of pumping device 1
Raw low pressure, utilizes pressure reduction to be entered in pumping device 1 by the hydraulic pressure in hot water tube of water heater, and then is back to water heater
Water tank in.
For ensureing to draw water effect, pump mouth 15 internal diameter is unsuitable excessive, pumping device water side 11 in the present embodiment
Internal diameter D1, internal diameter D2 and passage 14 (at the cross-sectional area minimum of fluid passage) interior of water inlet end 12
Footpath D3 ratio preferably greater than 6.Owing to the fluid passage in the present embodiment is symmetrically arranged taper, the most each transversal
Face is circle, and therefore its internal diameter is i.e. the diameter of cross section.
The work process of this device is as described below: tap water enters water-heater water tank 5 by water heater cold water pipe 3
And it being heated to predetermined temperature, the water retained in non-working condition lower water-heater hot-water line 2 is cold water.
Before using water heater, opening control valve 7, tap water (cold water in hot water device cold water pipe) passes through
Pumping device 1 is entered after arm I 9 and control valve 7.According to fluid mechanics principle, the water flowing in pipeline can
Regarding preferable permanent incompressible fluid as, when the cross-sectional area of channel interior passage is big, water velocity is little, cuts
Area hour, water velocity is big.Owing to the internal fluid channels of pumping device 1 is in two ends width, middle narrow
Shape, at water after water inlet end enters the body of pumping device, along with the cross-sectional area of fluid passage is gradually reduced,
Its water velocity becomes larger, and when arriving the middle of pumping device, the cross-sectional area of its fluid passage reaches
Minimum, water velocity also reaches maximum.According to hydrodynamics Bernoulli equation, the water flow velocity of pumping device middle
Degree becomes big compared with water inlet end, therefore causes pressure to diminish, i.e. the middle pressure of pumping device is less than water heater
Pressure in hot-water line 2.Under pressure difference effect, the cold water in hot water tube of water heater 2 through draw water skirt 3 by
Pump mouth 15 causes the water side 11 of pumping device, and flows out through cold-water reflux pipe 13 from water side 11 and enter
Water-heater water tank 5.After of short duration conducting is drawn water, closing control valve 7, the water inlet of pumping device 1 blocks,
Pumping action stops, and through drawing water circulation, the cold water retained in hot water tube of water heater 2 has been back to
In water-heater water tank 5, the hot water in water-heater water tank 5 enters hot water tube of water heater 2 under the effect of pressure reduction
In, as long as now opening shower nozzle switch 30, temperature regulation hot water or cold water as required, sprinkler head flows out
Water can use, it is achieved thereby that automatic pumping function.
This utility model utilizes principles of fluid mechanics and mechanical components, under the conditions of without power consumption, it is achieved
Water heater cold water automatic back flow, device is simple, invests little, uses easy to operate, make for noncontinuity
Can use by the various occasions of water heater, have a extensive future.
Claims (4)
1. water heater cold water reflux, it is characterised in that: having pumping device, pumping device includes body, in body
Sky, two ends, left and right are respectively water side and water inlet end, and its body hollow bulb is as fluid passage；Fluid passage
Cross-sectional area taper into along body two ends to centre；Offering a through hole on body as pump mouth, this is taken out
The mouth of a river is positioned at the cross-sectional area minimum of fluid passage, and is connected with fluid passage；
Described pump mouth is connected with the skirt that draws water of the branch road as hot water tube of water heater, and water side is by cold
Water return duct is connected with water-heater water tank；
Described water inlet end is connected with the port of export of control valve, the entrance point of control valve and arm I one end
Being connected, arm I other end connects water heater cold water pipe；
Arm II connects shower nozzle switch and water heater cold water pipe；
When cold water enters in pumping device through on-off valve regulation valve, the cold water in hot water tube of water heater is drawn into
In pumping device.
2. water heater cold water reflux as described in claim 1, it is characterised in that: fluid passage is two
The taper that top is oppositely arranged.
3. water heater cold water reflux as described in claim 2, it is characterised in that: fluid passage is two
Top is in opposite directions and symmetrically arranged taper.
4. water heater cold water reflux as described in claim 3, it is characterised in that: the pumping device port of export,
Internal diameter ratio at the internal diameter of entrance point and the cross-sectional area minimum of fluid passage is more than 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620051279.0U CN205536549U (en) | 2016-01-19 | 2016-01-19 | Water heater cold water reflux unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620051279.0U CN205536549U (en) | 2016-01-19 | 2016-01-19 | Water heater cold water reflux unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205536549U true CN205536549U (en) | 2016-08-31 |
Family
ID=56765545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620051279.0U Active CN205536549U (en) | 2016-01-19 | 2016-01-19 | Water heater cold water reflux unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205536549U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627566A (en) * | 2016-01-19 | 2016-06-01 | 国家电网公司 | Automatic cold water return device of mechanical water heater |
| CN110219343A (en) * | 2019-05-21 | 2019-09-10 | 上海电力学院 | The water-saving constant temperature system of bathhouse |
-
2016
- 2016-01-19 CN CN201620051279.0U patent/CN205536549U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627566A (en) * | 2016-01-19 | 2016-06-01 | 国家电网公司 | Automatic cold water return device of mechanical water heater |
| CN105627566B (en) * | 2016-01-19 | 2018-10-26 | 国家电网公司 | Mechanical water heater cold water automatic backflow apparatus |
| CN110219343A (en) * | 2019-05-21 | 2019-09-10 | 上海电力学院 | The water-saving constant temperature system of bathhouse |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |