CN110319576A - Zero-cold-water gas water heater - Google Patents
Zero-cold-water gas water heater Download PDFInfo
- Publication number
- CN110319576A CN110319576A CN201910507543.5A CN201910507543A CN110319576A CN 110319576 A CN110319576 A CN 110319576A CN 201910507543 A CN201910507543 A CN 201910507543A CN 110319576 A CN110319576 A CN 110319576A
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- CN
- China
- Prior art keywords
- water
- cold water
- cavity
- mixed
- spool
- 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.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 254
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 13
- 239000000567 combustion gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/14—Arrangements for connecting different sections, e.g. in water heaters
- F24H9/142—Connecting hydraulic components
- F24H9/144—Valve seats, piping and heat exchanger connections integrated into a one-piece hydraulic unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a zero-cold-water gas water heater which comprises a water heater body, a hot water pipeline, a cold water pipeline and a water return branch, wherein two ends of the water return branch are respectively communicated with the hot water pipeline and the cold water pipeline; the anti-water-mixing device can be automatically disconnected or communicated with the water return branch when the water pressure of cold water in the anti-water-mixing device is reduced or increased. According to the invention, the water mixing prevention device capable of automatically connecting or disconnecting the water return branch according to the water pressure change of cold water is arranged, so that no power loss is caused, the problem that hot water enters the cold water pipeline to generate water mixing pain when a user uses cold water is effectively solved, and the gas waste caused by the mistaken opening of the gas water heater due to water mixing is avoided.
Description
Technical field
The present invention relates to technical field of water heaters more particularly to a kind of zero cold water gas and hot waters for being able to solve mixed water problems
Device.
Background technique
With the raising that consumer requires quality of the life, " zero cold water " gas heater is more and more common." zero cold water "
When gas heater is installed, faces two kinds of actual conditions: having return pipe and without return pipe.
The case where for no return pipe, can install one unidirectionally between the hot-water line and cold water pipe of distalmost end water spot
Valve, the cold water in hot-water line is pressed onto cold water pipe.When cold water is individually opened with water spot in distal end, check valve may because pressure difference compared with
It opens by mistake and opens greatly, the water of hot-water line can flow into cold water pipe and " mixed water " occurs.
Summary of the invention
The present invention is directed to one of solve the problems, such as present in existing the relevant technologies at least to a certain extent, for this purpose, this hair
Bright to propose a kind of zero cold water gas heater, structure is simple, unregulated power loss, solve user farthest used with water end (W.E.) it is cold
The pain spot of water Shi Fasheng " mixed water ", avoids the phenomenon that zero cold water gas heater causes combustion gas to waste due to " mixed water " is opened by mistake and opened
Occur.
Above-mentioned purpose is achieved by the following technical solution:
A kind of zero cold water gas heater, including water heater body, hot water line, cold water pipeline and return water branch, it is described
The both ends of return water branch are connected with the hot water line and the cold water pipeline respectively, wherein further including mixed-proof device, institute
Mixed-proof device is stated to be connected with the cold water pipeline and the return water branch respectively；The mixed-proof device can be described anti-
Water admixing device inner cold water hydraulic pressure disconnects the return water branch automatically when becoming smaller, or increases in the mixed-proof device inner cold water hydraulic pressure
Return water branch described in automatic switching on when big.
In some embodiments, the mixed-proof device includes having the valve body of cavity and being movably arranged on the valve
The cavity in vivo and is separated into the spool of the first cavity and the second cavity, is equipped with and described time in the upper end of the valve body
The first water inlet that the water inlet end of water branch is connected, lower end are equipped with first to be connected with the water outlet of the return water branch and go out
The mouth of a river, the position of first water outlet and the position of first water inlet are oppositely arranged；The spool is equipped with circulation of supplying water
The through-hole crossed, first cavity are connected with the cold water pipeline, and the spool can be with the cold water water of first cavity
Buckling and horizontal movement, and then make the through-hole and first water inlet and first water outlet in being connected to or disconnect
State.
In some embodiments, the spool is in the form of a column structure.
In some embodiments, the mixed-proof device further includes the elastic component being arranged in second cavity, institute
The both ends for stating elastic component are connected with the inner sidewall of the spool, second cavity respectively.
In some embodiments, one end of the elastic component is connect with the middle part of the spool, the other end and described the
Two cavitys are towards connection in the middle part of the inner sidewall of the spool.
In some embodiments, the mixed-proof device further includes at least one limiting section, and the limiting section setting exists
For limiting the displacement of the spool towards the elastic component horizontal movement in second cavity.
In some embodiments, when the spool and the limiting section abut against, the through-hole with described first into
The mouth of a river is connected to area maximum with the cooperation of first water outlet.
In some embodiments, the quantity of the limiting section is two, and two limiting sections are correspondingly arranged at respectively
The inside top and bottom inside of second cavity.
In some embodiments, the valve body is equipped with the second water inlet and the second water outlet, second water inlet point
Be not connected with the inlet segment of the cold water pipeline, first cavity, second water outlet respectively with the cold water pipeline
Water exit end, first cavity is connected.
In some embodiments, second water inlet and second water outlet are separately positioned on the upper of the valve body
Lower both ends.
Compared with prior art, of the invention to include at least the following beneficial effects: the present invention can be according to cold by setting
The variation in water pressure automatic switching on of water or the automatic mixed-proof device for disconnecting return water branch, unregulated power loss efficiently solve user
Enter cold water pipeline using hot water when cold water and " mixed water " pain spot occurs, so as to avoid gas heater because " mixed water " is opened by mistake and opened
And the phenomenon that causing combustion gas to waste.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of zero cold water gas heater in the embodiment of the present invention；
Fig. 2 is the partial structural diagram of zero cold water gas heater in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of mixed-proof device in the embodiment of the present invention, is that user does not use cold water situation in figure
Under, through-hole 21 and the first water inlet 511 and the first water outlet 512 are in cooperation connected state；
Fig. 4 is the structural schematic diagram of mixed-proof device in the embodiment of the present invention, is that cold water situation is used in user in figure
Under, through-hole 21 is in an off state with the first water inlet 511 and the first water outlet 512.
Specific embodiment
The present invention will be described for following embodiment, but the present invention is not limited to these examples system.To of the invention
Specific embodiment is modified or some technical features can be equivalently replaced, without departing from the spirit of the present invention program,
It should all cover within the scope of the technical scheme claimed by the invention.
As shown in Figure 1-3, the zero cold water gas heater of one kind of the present embodiment, including water heater body 1, hot water line 2,
Cold water pipeline 3, return water branch 4, hot water line 2 and cold water pipeline 3 are connected with water heater body 1 respectively, and return water branch 4 is distinguished
Be connected with hot water line 2 and cold water pipeline 3, wherein further include mixed-proof device 5, mixed-proof device 5 respectively with cold water pipeline 3
It is connected with return water branch 4；Mixed-proof device 5 can disconnect automatically return water branch when 5 inner cold water hydraulic pressure of mixed-proof device becomes smaller
Road 4, or the automatic switching on return water branch 4 when 5 inner cold water hydraulic pressure of mixed-proof device increases.The present embodiment is with master bedroom toilet work
For distalmost end water spot, return water branch 4 and mixed-proof device 5 are close in distalmost end water spot, when user uses in distalmost end
When cold water, mixed-proof device 5, which carries out pressure release, makes the cold water hydraulic pressure in mixed-proof device 5 become smaller, and then mixed-proof device 5 can be certainly
Dynamic circuit breaker opens return water branch 4；Conversely, the cold water hydraulic pressure in mixed-proof device 5 increases and makes to prevent when distalmost end does not use cold water
5 automatic switching on return water branch 4 of water admixing device, in order to which water heater preheats recirculated water.
The zero cold water gas heater of the present embodiment, mixed-proof device 5 can connect automatically according to the variation in water pressure of cold water
It is logical or it is automatic disconnect return water branch 4, unregulated power loss, efficiently solve user enter cold water pipeline 3 using hot water when cold water and
" mixed water " pain spot occurs, causes combustion gas to waste due to generation " mixed water " is opened by mistake and opened so as to avoid zero cold water gas heater.
As Figure 2-3, further, mixed-proof device 5 includes the valve body 51 and spool 52 with cavity, in valve body 51
Upper end be equipped with the first water inlet 511 for being connected with the water inlet end 41 of return water branch 4, lower end is equipped with to be gone out with return water branch 4
The first water outlet 512 that water end (W.E.) 42 is connected, the position of the first water outlet 512 and the position of the first water inlet 511 are oppositely arranged；
Spool 52 is equipped with the through-hole 521 that water supply stream passes through, which is movably arranged in valve body 51 and cavity is separated into first
Cavity 5101 and the second cavity 5102, wherein the first cavity 5101 is connected with cold water pipeline 3.Spool 52 can be with the first cavity
5101 cold water variation in water pressure and horizontal movement, and then it is in through-hole 521 with the first water inlet 511 and the first water outlet 512
Cooperation connection or off-state.As a result, when user is when distalmost end uses cold water, the hydraulic pressure of the cold water of the first cavity 5101 subtracts
It is small, so that spool 52 is moved towards the first cavity 5101 is horizontal automatically under the differential pressure action of the first cavity 5101 and the second cavity 5102
It is dynamic, and then it is in an off state through-hole 521 with the first water inlet 511 and the first water outlet 512, realize cutting return water branch
4, it prevents hot water from entering in the first cavity 5101 by the water inlet end 41 of return water branch 4 and " mixed water " occurs.
Preferably, spool 52 is in the form of a column structure, and the bottom and top in spool 52 and running through spool 52 is arranged in through-hole 521
Portion, in this way, when spool 52 is moved horizontally towards the first cavity 5101, top surface, the bottom surface of spool 52 can correspond to closure first into
The mouth of a river 511 and the first water outlet 512 avoid hot water from entering in the first cavity 5101 by water inlet end 41, the first water inlet 511
Occur " mixed water ".
Specifically, the second water inlet 513 and the second water outlet 514, the second water inlet are additionally provided in the upper and lower ends of valve body 51
Mouthfuls 513 are connected with the inlet segment 31 of cold water pipeline 3, the first cavity 5101 respectively, the second water outlet 514 respectively with cold water pipeline
3 water exit end 32, the first cavity 5101 are connected, so by the second water inlet 513 and the second water outlet 514, realize by
Valve body 51 is connected on cold water pipeline 3, in order to which the pressure in the first cavity 5101 becomes according to the cold water hydraulic pressure of cold water pipeline 3 in real time
Change and changes.
Further, mixed-proof device 5 further includes the elastic component 53 being arranged in the second cavity 5102, and the two of elastic component 53
End is connected with the inner sidewall of spool 52, the second cavity 5102 respectively.As a result, by the way that elastic component is arranged in the second cavity 5102
53, when user is using cold water makes the cold water hydraulic pressure in the first cavity 5101 start to reduce, spool 52 can be in elastic component
It is quickly mobile towards 5101 direction of the first cavity under 53 pretightning force effect, through-hole 521 and the first water inlet 511 and the are cut off in time
Access between one water outlet 512 is conducive to the accuracy and reliability for improving the control of 4 on-off of return water branch, improves anti-mixed
Water effect.
Preferably, elastic component 53 is spring, and one end of spring is connect with the middle part of spool 52, the other end and the second cavity
Connection in the middle part of 5102 inner sidewalls towards spool 52, to guarantee 52 both ends stress balance of spool, prevents spool 52 in horizontal movement
There is inclined abnormal phenomenon in process.
Further, mixed-proof device 5 further includes at least one limiting section 54, and limiting section 54 is arranged in the second cavity 5102
It is interior to be used to limit the displacement of spool 52 towards 53 horizontal movement of elastic component.When spool 52 and limiting section 54 abut against, through-hole 521
Area maximum is connected to the cooperation of the first water inlet 511 and the first water outlet 512, in this way under the action of limiting section 54, even if
Hydraulic pressure in first cavity 5101 increases severely, and through-hole 521 is in cooperation with the first water inlet 511 and the first water outlet 512 always and connects
The logical maximum state of area, avoids and causes the water flow of return water branch 4 to become smaller very because the hydraulic pressure of the first cavity 5101 is excessive
To disconnection, and then influence the pre-heat effect of water heater.
Preferably, the quantity of limiting section 54 is two, and two limiting sections 54, which respectively correspond, is arranged in the second cavity 5102
Inside top and bottom inside have further prevented spool 52 in motion process to ensure 52 upper and lower ends stress balance of spool
Run-off the straight.
Illustrate the working principle of the present embodiment mixed-proof device 5 below with reference to Fig. 3-4:
As shown in figure 3, when distalmost end does not use cold water or close distalmost end cold valves, the first cavity
Hydraulic pressure in 5101 increases, when the pressure of the first cavity 5101 is greater than the total of 53 pretightning force of elastic component and 5102 pressure of the second cavity
And when, spool 52 is moved horizontally towards 5102 direction of the second cavity automatically.When spool 52, which is moved to limiting section 54, to be abutted against, through-hole
521, which are in cooperation with the first water inlet 511 and the first water outlet 512, is connected to the maximum connected state of area, so that return water branch 4
Connection, is conducive to water heater and preheats to recirculated water.
As shown in figure 4, the pressure of the first cavity 5101 starts to reduce, second when user is when distalmost end uses cold water
Under the pressure of cavity 5102 and the pretightning force collective effect of elastic component 53, spool 52 is automatically elastic component 53 towards the first cavity 5101
Direction move horizontally so that through-hole 521 is in an off state with the first water inlet 511 and the first water outlet 512, to cut off
Return water branch 4 prevents hot water from entering the first cavity 5101 and " mixed water " phenomenon occurs, avoids water heater and miss because of " mixed water "
Phenomenon is opened, the unnecessary consumption of combustion gas is advantageously reduced.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (10)
1. a kind of zero cold water gas heater, including water heater body (1), hot water line (2), cold water pipeline (3) and return water branch
The both ends on road (4), the return water branch (4) are connected with the hot water line (2) and the cold water pipeline (3) respectively, special
Sign is, further includes mixed-proof device (5), the mixed-proof device (5) respectively with the cold water pipeline (3) and the return water branch
Road (4) is connected；
The mixed-proof device (5) can disconnect automatically the return water when mixed-proof device (5) the inner cold water hydraulic pressure becomes smaller
Branch (4), or the return water branch (4) described in automatic switching on when mixed-proof device (5) the inner cold water hydraulic pressure increases.
2. a kind of zero cold water gas heater according to claim 1, which is characterized in that mixed-proof device (5) packet
It includes the valve body (51) with cavity and is movably arranged in the valve body (51) and the cavity is separated into the first cavity
(5101) and the spool (52) of the second cavity (5102) it, is equipped with and the return water branch (4) in the upper end of the valve body (51)
The first water inlet (511) that water inlet end (41) is connected, lower end is equipped with to be connected with the water outlet (42) of the return water branch (4)
The first water outlet (512), the position of first water outlet (512) is opposite with the position of first water inlet (511) to be set
It sets；
The spool (52) is equipped with the through-hole (521) that water supply stream passes through, first cavity (5101) and the cold water pipeline (3)
Be connected, the spool (52) can the horizontal movement with the cold water variation in water pressure of first cavity (5101), and then make institute
It states through-hole (521) and first water inlet (511) and first water outlet (512) is in and is connected to or off-state.
3. a kind of zero cold water gas heater according to claim 2, which is characterized in that the spool (52) is in the form of a column knot
Structure.
4. a kind of zero cold water gas heater according to claim 2 or 3, which is characterized in that the mixed-proof device (5)
Further include that elastic component (53) in second cavity (5102) is set, the both ends of the elastic component (53) respectively with the valve
Core (52), second cavity (5102) inner sidewall be connected.
5. a kind of zero cold water gas heater according to claim 4, which is characterized in that one end of the elastic component (53)
It is connect with the middle part of the spool (52), in the other end and the inner sidewall of the second cavity (5102) towards the spool (52)
Portion's connection.
6. a kind of zero cold water gas heater according to claim 5, which is characterized in that the mixed-proof device (5) is also
Including at least one limiting section (54), limiting section (54) setting is in second cavity (5102) for limiting the valve
Displacement of the core (52) towards the elastic component (53) horizontal movement.
7. a kind of zero cold water gas heater according to claim 6, which is characterized in that the spool (52) with it is described
When limiting section (54) abuts against, the through-hole (521) and first water inlet (511) and first water outlet (512)
Cooperation connection area is maximum.
8. a kind of zero cold water gas heater according to claim 7, which is characterized in that the quantity of the limiting section (54)
It is two, two limiting sections (54), which respectively correspond, to be arranged in the inside top and bottom of second cavity (5102)
Side.
9. a kind of zero cold water gas heater according to claim 2, which is characterized in that the valve body (51) is equipped with second
Water inlet (513) and the second water outlet (514), second water inlet (513) inlet segment with the cold water pipeline (3) respectively
(31), first cavity (5101) is connected, second water outlet (514) water outlet with the cold water pipeline (3) respectively
Section (32), first cavity (5101) are connected.
10. a kind of zero cold water gas heater according to claim 9, which is characterized in that second water inlet (513)
The upper and lower ends of the valve body (51) are separately positioned on second water outlet (514).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507543.5A CN110319576A (en) | 2019-06-12 | 2019-06-12 | Zero-cold-water gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507543.5A CN110319576A (en) | 2019-06-12 | 2019-06-12 | Zero-cold-water gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110319576A true CN110319576A (en) | 2019-10-11 |
Family
ID=68119567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507543.5A Pending CN110319576A (en) | 2019-06-12 | 2019-06-12 | Zero-cold-water gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110319576A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473132A (en) * | 2020-03-09 | 2020-07-31 | 宁波方太厨具有限公司 | Water mixing prevention valve and water heater water supply system using same |
| CN111536272A (en) * | 2020-05-06 | 2020-08-14 | 珠海格力电器股份有限公司 | Valve and water supply system |
-
2019
- 2019-06-12 CN CN201910507543.5A patent/CN110319576A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473132A (en) * | 2020-03-09 | 2020-07-31 | 宁波方太厨具有限公司 | Water mixing prevention valve and water heater water supply system using same |
| CN111536272A (en) * | 2020-05-06 | 2020-08-14 | 珠海格力电器股份有限公司 | Valve and water supply system |
| CN111536272B (en) * | 2020-05-06 | 2021-09-14 | 珠海格力电器股份有限公司 | Valve and water supply system |
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