CN207146912U - Water heater - Google Patents
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- CN207146912U CN207146912U CN201721086729.0U CN201721086729U CN207146912U CN 207146912 U CN207146912 U CN 207146912U CN 201721086729 U CN201721086729 U CN 201721086729U CN 207146912 U CN207146912 U CN 207146912U
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- water tank
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- water heater
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Abstract
The utility model proposes a kind of water heater, including:Water tank, for taking up band heating liquid;First Heat Exchanger, it is arranged on water tank;Second heat exchanger, is arranged on water tank, and is connected with First Heat Exchanger;First throttle device, it is arranged between First Heat Exchanger and the second heat exchanger;Wherein, the cross-sectional area of the runner of first throttle device is controllable, and temperature of the cold-producing medium stream after first throttle device can reduce or keep constant.The utility model proposes water heater, two kinds of heated moulds be present, specifically:The first pattern is heating mode, i.e. First Heat Exchanger heat with the second heat exchanger to water tank at a slow speed;Second of pattern is quick heating mode, i.e. First Heat Exchanger heats to part water tank, the heat that second heat exchanger absorbs different piece water in water tank is supplied to First Heat Exchanger, and then increase the heating effect of First Heat Exchanger, and then the different demands of user's water are met, improve the usage experience of user.
Description
Technical field
Technical field of water heaters is the utility model is related to, in particular to a kind of water heater.
Background technology
At present, in the market Domestic Air Source Heat Pump Water Heater on sale, generally use static type press-bearing water tank, heat is being used
, it is necessary to which whole box water is heated into preset temperature during water, the hot water of relevant temperature can be obtained by water side, however, due to system
The limitation of heat, time whole box water being heated to needed for preset temperature is longer, also, user at most of conditions also without
It need to use FCL hot water, and then whole box water is heated to the waste that preset temperature resulted in the energy, therefore, how propose
It is a kind of quickly to heat and meet the water heater of user's water demand, turn into urgent problem to be solved.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.
Therefore, first aspect embodiment of the present utility model, proposes a kind of water heater.
In view of this, according to first aspect embodiment of the present utility model, the utility model proposes a kind of water heater, bag
Include:Water tank, for taking up band heating liquid;First Heat Exchanger, it is arranged on water tank;Second heat exchanger, is arranged on water tank, and
It is connected with First Heat Exchanger;First throttle device, it is arranged between First Heat Exchanger and the second heat exchanger;Wherein, first segment
The cross-sectional area of the runner of stream device is controllable, and temperature of the cold-producing medium stream after first throttle device can reduce or keep constant.
The utility model proposes water heater, First Heat Exchanger and the second heat exchanger are carried out to the diverse location of water tank respectively
Heating, also, First Heat Exchanger and the second heat exchange are arranged on by the controllable first throttle device of the cross-sectional area by runner
Between device so that water heater has two kinds of heated moulds, specifically:The first pattern is heating mode, i.e. First Heat Exchanger at a slow speed
Water tank is heated with the second heat exchanger, now, the cross-sectional area and First Heat Exchanger of the runner of first throttle device
Runner cross-sectional area it is identical, temperature of the cold-producing medium stream after first throttle device keeps constant, and then realizes to FCL
Water is heated;Second of pattern is quick heating mode, i.e. First Heat Exchanger heats to part water tank, the second heat exchanger
The heat for absorbing different piece water in water tank is supplied to First Heat Exchanger, to lift the temperature of the inner refrigerant of First Heat Exchanger,
And then increase the heating effect of First Heat Exchanger, now, the cross-sectional area of the runner of first throttle device is less than the first heat exchange
The cross-sectional area of the runner of device, and then when cold-producing medium stream is after first throttle device, temperature reduces, so as to absorb hot water
The heat of other parts water in device, realize and the part water in water tank is quickly heated, also, First Heat Exchanger only heats water
The water of case inside points, and then the firing rate to water in water tank is improved, the quick heating to water is realized, and then cause user
When wanting using a large amount of hot water, can use at a slow speed heating mode to be heated to whole box water, and be badly in need of in user using hot
During water, quick heating mode can be used, and then meets the different demands of user's water, improves the usage experience of user.
In addition, the water heater in above-described embodiment provided by the utility model can also have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that first throttle device is electric expansion valve.
In the technical scheme, by the temperature of electronic expansion valve regulation refrigerant, the heating mode of water heater is controlled, is had
Body, the aperture of electric expansion valve is controllable, and when water heater is using heating mode at a slow speed, control electric expansion valve is opened with larger
Spend work so that the cross-sectional area of the runner of electric expansion valve is identical with the cross-sectional area of First Heat Exchanger, and then causes
Cold-producing medium stream temperature after electric expansion valve keeps constant, continues to add the water in water tank in the second heat exchanger is flowed into
Heat, whole box water is carried out so as to realize, so that the hot water that user's amount of obtaining is big;When water heater uses quick heating mode, control
Electric expansion valve processed is worked with less aperture so that the cross-sectional area of the runner of electric expansion valve is less than First Heat Exchanger
Cross-sectional area, and then cold-producing medium stream temperature after electric expansion valve is reduced, absorbed in the second heat exchanger is flowed into water
The heat of part water in case, into First Heat Exchanger, to lift the heating effect of First Heat Exchanger, enter by this heat transfer
And realize and the part water in water tank is quickly heated, meanwhile, electronic expansion valve structure is simple, easy for installation, and then reduces
The assembly difficulty of water heater, improves production efficiency.
In any of the above-described technical scheme, it is preferable that first throttle device includes:First connecting tube, one end are changed with first
Hot device is connected, and the other end is connected with the second heat exchanger, and first switch is provided with the first connecting tube;Second connecting tube, with
First connection is arranged in parallel, and one end is connected with First Heat Exchanger, and the other end is connected with the second heat exchanger, in the second connecting tube
It is in series with second switch and restriction;Wherein, first switch valve is kept it turned on there was only one in second switch valve.
In the technical scheme, pass through the first connecting tube and the second connecting tube parallel communication First Heat Exchanger and the second heat exchange
Device, also, first switch is set in the first connecting tube, second switch and restriction are arranged in series in the second connecting tube, is entered
And two kinds of mode of operations of water heater are realized, specifically, when water heater is using heating mode at a slow speed, second switch is closed,
First switch is opened, and the refrigerant in First Heat Exchanger flows into the second heat exchanger via the first connecting tube, and temperature keeps constant, from
And the water in water tank is heated in the second heat exchanger, and then the heating to whole box water is realized, when water heater is using fast
During fast heating mode, first switch is closed, and second switch is opened, and the refrigerant in First Heat Exchanger flows into via the second connecting tube
Second heat exchanger, due to being provided with restriction in the second connecting tube, refrigerant temperature after by restriction reduces, so as to
Flow into the second heat exchanger and absorb to the heat of the part water in water tank, by this heat transfer into First Heat Exchanger, to carry
The heating effect of First Heat Exchanger is risen, and then realizes and the part water in water tank is quickly heated, meanwhile, structure control effect
Fruit is stable, and fault rate is low.
In any of the above-described technical scheme, it is preferable that first switch and second switch are magnetic valve.
In the technical scheme, first switch and second switch can be magnetic valve, to realize automatically controlled control, reduce operation
Difficulty.
In any of the above-described technical scheme, it is preferable that restriction is choke valve or the 3rd connecting tube;Wherein, the 3rd connection
The flow channel cross-section area of pipe is less than the flow channel cross-section area of the first connecting tube and the second connecting tube.
In the technical scheme, restriction can be choke valve, or flow channel cross-section area is less than the of the first connecting tube
Three connecting tubes, it can realize the cooling to refrigerant.Wherein it is preferred to the 3rd connecting tube is arranged on the centre of the second connecting tube
Position.
In any of the above-described technical scheme, it is preferable that First Heat Exchanger and the second heat exchanger be arranged on water tank inwall or
On outer wall.
In the technical scheme, by the way that First Heat Exchanger and the second heat exchanger are arranged on the inwall or outer wall of water tank,
The close contact of First Heat Exchanger, the second heat exchanger and water tank is realized, ensure that First Heat Exchanger, the second heat exchanger and water tank
The heat transfer effect of reclaimed water.
In any of the above-described technical scheme, it is preferable that water tank is tubular construction;First Heat Exchanger is coiled in water tank upper;
Second heat exchanger is coiled in water tank bottom.
In the technical scheme, by the way that water tank is arranged into tubular construction, and the second heat exchanger is set to be coiled in water tank upper,
Realization is heated to water tank upper water, and the second heat exchanger is coiled in into water tank bottom, realizes the water progress to water tank bottom
Heating or heat absorption, so as to realize both patterns of water heater.Total well known, the density of the density ratio hot water of cold water is big, therefore, heat
Water will flow to the top of water heater, therefore being heated with First Heat Exchanger to the water of water tank middle and upper part, ensure that quick heating
The heating effect of pattern.
In any of the above-described technical scheme, it is preferable that also include:Baffle plate, it is horizontally installed in water tank, water tank is divided into
One water tank and the second water tank, through hole is provided with baffle plate;Wherein, First Heat Exchanger is arranged on the water tank, the second heat exchanger
It is arranged on the second water tank.
In the technical scheme, by setting laterally spaced dividing plate in water tank, water tank upper reclaimed water and water are reduced
The flow efficiency of lower box part reclaimed water, avoid the convection current of a large amount of water so that the water of water tank middle and upper part is maintained at water tank upper, further
Ground improves the heating effect of quick heating mode.
In any of the above-described technical scheme, it is preferable that also include:Compressor, evaporator and the second throttling being sequentially connected in series
Device;Wherein, compressor is connected with First Heat Exchanger;Second throttling device is connected with the second heat exchanger.
In the technical scheme, refrigerant passes sequentially through compressor, the first heat exchanger tube, throttling arrangement, the second heat exchanger tube,
Two throttling arrangements, evaporator, then compressor is flow back into, circulation is completed, realizes the continuous heating to water heater.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein:
Fig. 1 shows the structural representation for the water heater that utility model one embodiment is provided.
Wherein, the corresponding relation in Fig. 1 between reference and component names is:
1 water heater, 12 water tanks, 122 baffle plates, 14 First Heat Exchangers, 16 second heat exchangers, 180 first connecting tubes, 182
Two connecting tubes, 184 first switches, 186 second switches, 188 restrictions, 20 second throttling devices, 22 evaporators, 24 compressors.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously
Do not limited by following public specific embodiment.
Water heater 1 referring to Fig. 1 descriptions according to the utility model some embodiments offer.
As shown in figure 1, according to first aspect embodiment of the present utility model, the utility model provides a kind of water heater 1,
Including:Water tank 12, for taking up band heating liquid;First Heat Exchanger 14, it is arranged on water tank 12;Second heat exchanger 16, set
It is connected on water tank 12, and with First Heat Exchanger 14;First throttle device, it is arranged on the heat exchanger of First Heat Exchanger 14 and second
Between 16;Wherein, the cross-sectional area of the runner of first throttle device is controllable, temperature of the cold-producing medium stream after first throttle device
It can reduce or keep and be constant.
Water heater 1 provided by the utility model, the heat exchanger 16 of First Heat Exchanger 14 and second is respectively to the difference of water tank 12
Position is heated, also, is arranged on First Heat Exchanger 14 by the controllable first throttle device of the cross-sectional area by runner
Between the second heat exchanger 16 so that water heater 1 has two kinds of heated moulds, specifically:The first pattern is heating mode at a slow speed,
That is the heat exchanger 16 of First Heat Exchanger 14 and second is used as condenser, and water tank 12 is heated, now, first throttle device
The cross-sectional area of runner is identical with the cross-sectional area of the runner of First Heat Exchanger 14, and cold-producing medium stream is after first throttle device
Temperature keep it is constant, and then realize whole box water is heated;Second of pattern is quick heating mode, i.e. First Heat Exchanger
14 are used as condenser, and part water tank 12 is heated, and the second heat exchanger 16 is used as evaporator, absorb 12 inner different piece of water tank
The heat of water is supplied to First Heat Exchanger 14, to lift the temperature of the inner refrigerant of First Heat Exchanger 14, and then increases by first and changes
The heating effect of hot device 14, now, the cross-sectional area of the runner of first throttle device are less than the runner of First Heat Exchanger 14
Cross-sectional area, and then when cold-producing medium stream is after first throttle device, temperature reduces, so as to absorb in water heater 1 other
The heat of part water, realize and the part water in water tank 12 is quickly heated, also, the only heating water tank 12 of First Heat Exchanger 14
The water of inside points, and then the firing rate to water in water tank 12 is improved, the quick heating to water is realized, and then cause user
When wanting using a large amount of hot water, can use at a slow speed heating mode to be heated to whole box water, and be badly in need of in user using hot
During water, quick heating mode can be used, and then meets the different demands of user's water, improves the usage experience of user.
In one embodiment of the present utility model, it is preferable that first throttle device is electric expansion valve.
In this embodiment, electric expansion valve is used so that first throttle device reduces installation step for single part,
Improve production efficiency, also, by the temperature of electronic expansion valve regulation refrigerant, control the heating mode of water heater 1, specifically
Ground, the aperture of electric expansion valve is controllable, and when water heater 1 is using heating mode at a slow speed, control electric expansion valve is opened with larger
Spend work so that the cross-sectional area of the runner of electric expansion valve is identical with the cross-sectional area of First Heat Exchanger 14, and then makes
Obtain cold-producing medium stream temperature after electric expansion valve and keep constant, continue to enter the water in water tank 12 in the second heat exchanger 16 is flowed into
Row heating, is carried out so as to realize to whole box water, so that the hot water that user's amount of obtaining is big;When water heater 1 uses quick heating mode
When, control electric expansion valve is worked with less aperture so that the cross-sectional area of the runner of electric expansion valve changes less than first
The cross-sectional area of hot device 14, and then cold-producing medium stream temperature after electric expansion valve is reduced, flowing into the second heat exchanger 16
The middle heat absorbed to the part water in water tank 12, into First Heat Exchanger 14, exchanged heat by this heat transfer with lifting first
The heating effect of device 14, and then realize and the part water in water tank 12 is quickly heated.It is also, real by electric expansion valve
The Automated condtrol to the heating mode of water heater 1 is showed.
In one embodiment of the present utility model, it is preferable that as shown in figure 1, first throttle device includes:First connection
Pipe 180, one end are connected with First Heat Exchanger 14, and the other end is connected with the second heat exchanger 16, are set in the first connecting tube 180
There is first switch 184;Second connecting tube 182, it is connected and is arranged in parallel with first, one end is connected with First Heat Exchanger 14, another
End is connected with the second heat exchanger 16, and second switch 186 and restriction 188 are in series with the second connecting tube 182;Wherein, first
184 valves are switched to keep it turned on there was only one in the valve of second switch 186.
In this embodiment, the first connecting tube 180 and the parallel communication First Heat Exchanger 14 of the second connecting tube 182 and are passed through
Two heat exchangers 16, also, first switch 184 is set in the first connecting tube 180, the is arranged in series in the second connecting tube 182
Two switches 186 and restriction 188, and then two kinds of mode of operations of water heater 1 are realized, specifically, when water heater 1 is using at a slow speed
During heating mode, second switch 186 is closed, and first switch 184 is opened, and the refrigerant in First Heat Exchanger 14 is via the first connection
Pipe 180 flows into the second heat exchanger 16, and temperature keeps constant, so as to add in the second heat exchanger 16 to the water in water tank 12
Heat, and then the heating to whole box water is realized, when water heater 1 is using quick heating mode, first switch 184 is closed, and second
Switch 186 is opened, and the refrigerant in First Heat Exchanger 14 flows into the second heat exchanger 16 via the second connecting tube 182, due to second
Restriction 188 is provided with connecting tube 182, refrigerant temperature after by restriction 188 reduces, so as to be changed in inflow second
Absorbed in hot device 16 to the heat of the part water in water tank 12, by this heat transfer into First Heat Exchanger 14, to lift the
The heating effect of one heat exchanger 14, and then realize and the part water in water tank 12 is quickly heated, meanwhile, structure control effect
Fruit is stable, and fault rate is low, also, is turned on and off when first switch 184 is different from second switch 186, ensure that 1 liang of water heater
The stability of kind heating mode.
Wherein, alternatively, refrigerant first flows through second switch 186 and passes through restriction 188;Or refrigerant first flows through throttling
Portion 188 passes through second switch 186.
In one embodiment of the present utility model, it is preferable that first switch 184 and second switch 186 are magnetic valve.
In this embodiment, first switch 184 and second switch 186 can be magnetic valve, reduce operation difficulty, realize
To the Automated condtrol of the heating mode of water heater 1.
In a particular embodiment, first switch 184 can also assemble a triple valve with second switch 186, be arranged on
The intersection of First Heat Exchanger 14, the first connecting tube 180 and the three of the second connecting tube 182.
In one embodiment of the present utility model, alternatively, restriction 188 is choke valve.
In this embodiment, restriction 188 can be choke valve, so as to be converted into the refrigeration of low temperature after refrigerant throttling
Agent.
In one embodiment of the present utility model, alternatively, restriction 188 is the 3rd connecting tube;Wherein, the 3rd connection
The flow channel cross-section area of pipe is less than the flow channel cross-section area of the first connecting tube 180 and the second connecting tube 182.
In this embodiment, flow channel cross-section area is less than the 3rd connecting tube of the first connecting tube 180, so that refrigerant section
The refrigerant of low temperature is converted into after stream.
Wherein it is preferred to the 3rd connecting tube is arranged on the centre position of the second connecting tube 182.
In one embodiment of the present utility model, it is preferable that the heat exchanger 16 of First Heat Exchanger 14 and second is arranged on water
On the inwall of case 12.
In this embodiment, it is real by the way that the heat exchanger 16 of First Heat Exchanger 14 and second is arranged on the inwall of water tank 12
Show First Heat Exchanger 14, the second heat exchanger 16 and the close contact of water tank 12, ensure that First Heat Exchanger 14, the second heat exchanger
16 with the heat transfer effect of the reclaimed water of water tank 12.
Certainly, the heat exchanger 16 of First Heat Exchanger 14 and second can also be arranged on the outer wall of water tank 12.Equally can be real
Show First Heat Exchanger 14, the second heat exchanger 16 and the close contact of water tank 12, ensure that First Heat Exchanger 14, the second heat exchanger
16 with the heat transfer effect of the reclaimed water of water tank 12.
In one embodiment of the present utility model, it is preferable that as shown in figure 1, water tank 12 is tubular construction;First heat exchange
Device 14 is coiled in the top of water tank 12;Second heat exchanger 16 is coiled in the bottom of water tank 12.
In this embodiment, by the way that water tank 12 is arranged into tubular construction, and the second heat exchanger 16 is made to be coiled in water tank 12
Top, realize and the upper water of water tank 12 is heated, and the second heat exchanger 16 is coiled in the bottom of water tank 12, realize to water tank 12
The water of bottom is heated or absorbed heat, so as to realize both patterns of water heater 1.It is total well known, the density ratio hot water of cold water
Density is big, and therefore, hot water will flow to the top of water heater 1, therefore being carried out with First Heat Exchanger 14 to the water of the middle and upper part of water tank 12
Heating, ensure that the heating effect of quick heating mode.
Wherein it is preferred to the heat exchanger tube in the heat exchanger 16 of First Heat Exchanger 14 and second is twist coiled in water tank 12
On.
In one embodiment of the present utility model, it is preferable that also include:Baffle plate 122, it is horizontally installed in water tank 12,
Water tank 12 is divided for the first water tank 12 and the second water tank 12, through hole is provided with baffle plate 122;Wherein, First Heat Exchanger 14 is set
On the water tank 12, the second heat exchanger 16 is arranged on the second water tank 12.
In this embodiment, by setting laterally spaced dividing plate in water tank 12, reduce the top reclaimed water of water tank 12 with
The flow efficiency of the bottom reclaimed water of water tank 12, avoids the convection current of a large amount of water so that the water of the middle and upper part of water tank 12 is maintained on water tank 12
Portion, further improve the heating effect of quick heating mode.
In one embodiment of the present utility model, it is preferable that also include:Compressor 24, the evaporator 22 being sequentially connected in series
With second throttling device 20;Wherein, compressor 24 is connected with First Heat Exchanger 14;The heat exchanger of second throttling device 20 and second
16 are connected.
In this embodiment, refrigerant passes sequentially through compressor 24, the first heat exchanger tube, throttling arrangement, the second heat exchanger tube,
Two throttling arrangements 20, evaporator 22, then compressor 24 is flow back into, circulation is completed, realizes the continuous heating to water heater 1.
The water heater 1 that one embodiment of the present utility model provides, the operation principle under quick heating mode:First opens
184 are closed to close, second switch 186 is opened, and now, First Heat Exchanger 14 is used as condenser, and the second heat exchanger 16 is used as evaporator,
Wherein, the high-temperature high-pressure refrigerant compressed through compressor 24 flows through First Heat Exchanger 14 and the water of the middle and upper part of water tank 12 is added
Heat, following refrigerant are converted into the liquid of low-temp low-pressure after flowing through restriction 188, then flow through the second heat exchanger 16 and inhale
The temperature for receiving the water of the middle and lower part of water tank 12 is continued with the water of the middle and upper part of heating water tank 12, refrigerant after being flowed out by the second heat exchanger 16
Through heat in the absorption air of evaporator 22, it is delivered to via compressor 24 in First Heat Exchanger 14, in heating water tank 12
The water in portion, and then a heating circulation is completed, in this case, equivalent to increasing evaporator in water heater 1, and can be simultaneously
Heat in water and air is absorbed, also, discharge reduction to be heated, the firing rate of water heater 1 are greatly enhanced.
Operation principle under heating mode at a slow speed:First switch 184 is opened and closed, the start or stop of second switch 186, now, first
The heat exchanger 16 of heat exchanger 14 and second is used as condenser, wherein, the high-temperature high-pressure refrigerant compressed through compressor 24 flows through the
One heat exchanger 14 and the second heat exchanger 16 heat to the water in water tank 12, and refrigerant continues after being flowed out by the second heat exchanger 16
Through heat in the absorption air of evaporator 22, it is delivered to via compressor 24 in First Heat Exchanger 14, in heating water tank 12
The water in portion, and then complete a heating circulation.
In summary, water heater 1 provided by the utility model, it is in parallel with the second connecting tube 182 by the first connecting tube 180
The heat exchanger 16 of First Heat Exchanger 14 and second is connected, also, first switch 184 is set in the first connecting tube 180, is connected second
Second switch 186 and restriction 188 are arranged in series in adapter 182, and then realizes two kinds of mode of operations of water heater 1, specifically
Ground, when water heater 1 is using heating mode at a slow speed, second switch 186 is closed, and first switch 184 is opened, in First Heat Exchanger 14
Refrigerant flow into the second heat exchanger 16 via the first connecting tube 180, temperature keeps constant, so as to right in the second heat exchanger 16
Water in water tank 12 is heated, and then realizes the heating to whole box water, when water heater 1 is using quick heating mode, the
One switch 184 is closed, and second switch 186 is opened, and the refrigerant in First Heat Exchanger 14 flows into second via the second connecting tube 182
Heat exchanger 16, due to being provided with restriction 188 in the second connecting tube 182, refrigerant temperature after by restriction 188 drops
It is low, so as to which absorption is to the heat of the part water in water tank 12 in the second heat exchanger 16 is flowed into, by this heat transfer to first
In heat exchanger 14, to lift the heating effect of First Heat Exchanger 14, and then realize and the part water in water tank 12 quickly add
Heat, meanwhile, the structure control effect stability, fault rate is low, also, open when first switch 184 is different from second switch 186 or
Close, ensure that the stability of 1 two kinds of heating modes of water heater.
In the utility model, term " first ", " second " are only used for the purpose of description, and it is not intended that instruction or dark
Show relative importance, the term such as term " installation ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection "
Can be fixedly connected or be detachably connected, or be integrally connected;" connected " can be joined directly together, and can also lead to
Intermediary is crossed to be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (9)
- A kind of 1. water heater, it is characterised in that including:Water tank, for taking up band heating liquid;First Heat Exchanger, it is arranged on the water tank;Second heat exchanger, it is arranged on the water tank, and is connected with the First Heat Exchanger;First throttle device, it is arranged between the First Heat Exchanger and second heat exchanger;Wherein, the cross-sectional area of the runner of the first throttle device is controllable, and cold-producing medium stream is after the first throttle device Temperature can reduce or keep constant.
- 2. water heater according to claim 1, it is characterised in thatThe first throttle device is electric expansion valve.
- 3. water heater according to claim 1, it is characterised in thatThe first throttle device includes:First connecting tube, one end are connected with the First Heat Exchanger, and the other end is connected with second heat exchanger, and described First switch is provided with one connecting tube;Second connecting tube, be connected and be arranged in parallel with described first, one end is connected with the First Heat Exchanger, the other end with it is described Second heat exchanger is connected, and second switch and restriction are in series with second connecting tube;Wherein, the first switch valve is kept it turned on there was only one in the second switch valve.
- 4. water heater according to claim 3, it is characterised in thatThe first switch and the second switch are magnetic valve.
- 5. water heater according to claim 3, it is characterised in thatThe restriction is choke valve or the 3rd connecting tube;Wherein, the flow channel cross-section area of the 3rd connecting tube is less than the stream of first connecting tube and second connecting tube Road cross-sectional area.
- 6. water heater according to claim 1, it is characterised in thatThe First Heat Exchanger is arranged on the inwall or outer wall of the water tank with second heat exchanger.
- 7. water heater according to any one of claim 1 to 5, it is characterised in thatThe water tank is tubular construction;The First Heat Exchanger is coiled in the water tank upper;Second heat exchanger is coiled in the water tank bottom.
- 8. water heater according to any one of claim 1 to 6, it is characterised in that also include:Baffle plate, it is horizontally installed in the water tank, the water tank is divided into the first water tank and the second water tank, set on the baffle plate There is through hole;Wherein, the First Heat Exchanger is arranged on first water tank, and second heat exchanger is arranged on second water tank On.
- 9. water heater according to any one of claim 1 to 6, it is characterised in that also include:Compressor, evaporator and the second throttling device being sequentially connected in series;Wherein, the compressor is connected with the First Heat Exchanger;The second throttling device is connected with second heat exchanger.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721086729.0U CN207146912U (en) | 2017-08-25 | 2017-08-25 | Water heater |
Applications Claiming Priority (1)
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CN201721086729.0U CN207146912U (en) | 2017-08-25 | 2017-08-25 | Water heater |
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CN207146912U true CN207146912U (en) | 2018-03-27 |
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CN201721086729.0U Active CN207146912U (en) | 2017-08-25 | 2017-08-25 | Water heater |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110906546A (en) * | 2019-10-29 | 2020-03-24 | 青岛海尔新能源电器有限公司 | Heat pump water heater |
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CN110906589A (en) * | 2019-10-29 | 2020-03-24 | 青岛海尔新能源电器有限公司 | Heat exchanger for heat pump and heat pump water heater |
CN110906588A (en) * | 2019-10-29 | 2020-03-24 | 青岛海尔新能源电器有限公司 | Micro-channel heat exchanger, heat pump water heater and control method thereof |
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CN111947487A (en) * | 2020-07-29 | 2020-11-17 | 青岛海尔新能源电器有限公司 | Heat exchanger and heat pump water heater unit control method |
WO2022042154A1 (en) * | 2020-08-25 | 2022-03-03 | 青岛海尔新能源电器有限公司 | Control method and device for heat pump water heater |
CN112361597A (en) * | 2020-11-09 | 2021-02-12 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
CN112629020A (en) * | 2020-12-17 | 2021-04-09 | 青岛海尔新能源电器有限公司 | Heat pump water heater and control method thereof |
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