CN104949332A - Liquid heating device and heat pump water-heating machine - Google Patents
Liquid heating device and heat pump water-heating machine Download PDFInfo
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- CN104949332A CN104949332A CN201510382977.9A CN201510382977A CN104949332A CN 104949332 A CN104949332 A CN 104949332A CN 201510382977 A CN201510382977 A CN 201510382977A CN 104949332 A CN104949332 A CN 104949332A
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- space
- water tank
- liquid
- heating
- isolated part
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Abstract
The invention discloses a liquid heating device and a heat pump water-heating machine. The liquid heating device comprises a water tank (1) provided with a water outlet and a water inlet, wherein an isolation part (2) is arranged in the water tank (1) and isolates the space in the water tank (1) into a first space and a second space, the arrangement position of the first space is used for enabling liquid in the first space to flow out of the water outlet in advance of the liquid in the second space, and the liquid in the second space can flow into the first space. The liquid heating device further comprises a heating device (3) which is partially located in the first space and used for heating the liquid in the first space. By the adoption of the liquid heating device and the heat pump water-heating machine, only the water in the first space is needed to be heated to required temperature when hot water quantity demand is low, water in the whole water tank is not needed to be heated, reduction of energy consumption is facilitated, and waste is avoided.
Description
Technical field
The present invention relates to technical field of electric appliances, particularly, relate to a kind of liquid heating and heat pump water-heating machine.
Background technology
Existing water tank for heat pump water heater is generally all provided with electric auxiliary heating device, this electric auxiliary heating device can lower at heat-pump hot-water engine efficiency (time as more severe in environmental condition) and cause enabling when in water tank, the firing rate of water is slower, when stopping heating after the temperature that water temperature in water tank reaches set.
Under normal conditions, the electric auxiliary heating device of water tank is arranged on position, water tank middle and lower part, for heating the water in whole water tank, this heating mode, have no problem when hot water demand's amount is larger, but when hot water demand measures little time, the waste that heating can cause electric energy is carried out to the water in whole water tank.
Summary of the invention
The object of this invention is to provide a kind of liquid heating and heat pump water-heating machine, for solving in prior art, the problem that heating can cause waste of energy being carried out to the water in whole water tank.
To achieve these goals, the invention provides a kind of liquid heating, comprise the water tank with delivery port and water inlet, isolated part is provided with in described water tank, described isolated part is by isolation formation first space, space in described water tank and second space, the position in described first space is arranged so that the liquid in described first space can flow out from described delivery port prior to the liquid of described second space, and the liquid in described second space can enter into described first space;
Described liquid heating also comprises the heater element for heating the liquid in described first space being arranged in described first space at least partly.
Preferably, described isolated part is the structure with cavity, described cavity is formed as described first space, the space being positioned at the described water tank outside described isolated part is formed as described second space, described isolated part is provided with and the first opening of described cavity connects and the second opening for introducing liquid from described second space to described cavity, the described delivery port of the contiguous described water tank of described first opening and arrange with can by the Liquid transfer in described cavity to this delivery port towards described delivery port.
Preferably, described isolated part is elongated tubular structure, and the opening of one end of described tubular structure is described first opening, and the opening of the other end is described second opening;
The end with described first opening of described tubular structure around the described delivery port of described water tank and the internal face being close to described water tank arrange.
Described heater element extend into the described cavity of described isolated part from described second opening.
Preferably, the end with described first opening of described isolated part is formed as the first horn-like structure.
Preferably, the end with described second opening of described isolated part is formed as the second horn-like structure, and the large port footpath of described first horn-like structure is greater than the large port footpath of described second horn-like structure.
Preferably, at least part of inwall side between described first horn-like structure and described second horn-like structure of described isolated part is provided with groove.
Preferably, the described groove type on described isolated part inwall side becomes helicoidal structure.
Preferably, described water tank is cylinder-like structure, and the central axis upright of described isolated part intersects at the central axis of described water tank.
Preferably, the described delivery port of described water tank is positioned at the upper position of described water tank, and the described water inlet of described water tank is positioned at the lower position of described water tank.
Preferably, the diverse location in described water tank is furnished with temperature sensor respectively, and temperature sensor described in one of them is positioned at described first space and the position of the described delivery port of close described water tank.
Preferably, described liquid heating also includes control unit, described temperature sensor and described heater element are connected to described control unit respectively, and described control unit can control described heater element according to the temperature of described temperature sensor senses and be in the first heating mode or the second heating mode;
At described first heating mode, the temperature that the switch of described heater element senses according to the described temperature sensor in described first space controls;
At described second heating mode, the mean value of the temperature that the switch of described heater element senses according to the multiple described temperature sensor in described water tank controls.
Preferably, at described first heating mode, the difference of the temperature that the power of described heater element senses according to the described temperature sensor in the first preset temperature and described first space adjusts;
At described second heating mode, the difference of the mean value of the temperature that the power of described heater element senses according to the multiple described temperature sensor in the second preset temperature and described water tank adjusts;
Described difference is larger, and the power of described heater element is larger; Described difference is less, and the power of described heater element is less.
The present invention also provides a kind of heat pump water-heating machine, and described heat pump water-heating machine includes liquid heating as above.
Liquid heating provided by the invention and heat pump water-heating machine, by the space in water tank is separated to form the first space and second space, first heater element is heated the liquid in the first space, when hot water demand measures less, water in first space is heated to temperature required, thus without the need to the water entirety heating in water tank, be beneficial to saving energy consumption, avoid waste.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of liquid heating provided by the invention;
Fig. 2 is the enlarged diagram at A place in Fig. 1;
Fig. 3 is the structural representation of isolated part in liquid heating;
Fig. 4 is the plan structure schematic diagram that isolated part is connected with water tank.
Description of reference numerals
1-water tank; 11-delivery port;
12-water inlet; 2-isolated part;
21-first opening; 22-second opening;
23-groove; 3-heater element;
4-first temperature sensor; 5-second temperature sensor;
6-three-temperature sensor.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of liquid heating, this liquid heating comprises the water tank 1 with delivery port 11 and water inlet 12, isolated part 2 is provided with in water tank 1, isolated part 2 is by isolation formation first space, space in water tank 1 and second space, the position in described first space is arranged so that the liquid in the first space can flow out from delivery port 11 prior to the liquid of described second space, and the liquid in described second space can enter into described first space; This liquid heating also comprises the heater element 3 being arranged in described first space at least partly, and this heater element 3 can be controlled as and heating the liquid in described first space.
Basic fundamental thought of the present invention is by the space in water tank 1 is separated to form the first space and second space, first heater element 3 is heated the liquid in the first space, when hot water demand measures less, water in first space is heated to temperature required, what first flow out from the delivery port of water tank 1 is hot water the first space, like this without the need to heating the water entirety in water tank 1, thus being beneficial to saving energy consumption, avoiding waste.
In a preferred embodiment of the invention, as shown in Figure 1, isolated part 2 in water tank 1 is for having the structure of cavity, described cavity in this isolated part 2 is formed as described first space, the space being positioned at the water tank 1 outside isolated part 2 is formed as described second space, isolated part 2 is provided with and the first opening 21 of described cavity connects and the second opening 22 for introducing liquid from described second space to described cavity, first opening 21 is close to the delivery port 11 of water tank 1 and arranges the liquid (following for water) in the cavity of isolated part 2 can be transported to this delivery port 11 towards delivery port 11.
It should be noted that at this, the isolated part 2 that the space in water tank 1 can be divided into the first space and second space in the present invention is not limited to the structure with cavity in present embodiment, by the spaced apart plate body structure in water tank 1 or can jointly be formed with the crimp etc. of cavity with the inwall of water tank 1 as isolated part 2 also can be.
Preferably, as shown in Figure 3 and Figure 4, isolated part 2 is elongated tubular structure, and the opening of one end of this tubular structure is described first opening 21, and the opening of the other end is described second opening 22; The end with the first opening 21 of this tubular structure around the delivery port 11 of water tank 1 and the internal face being close to water tank 1 arrange, the water flowed out to make delivery port 11 is the water flowed out from the cavity of isolated part 2.Wherein, the material of isolated part 2 is preferably the metal material identical with the inwall of water tank 1, one end with the first opening 21 of isolated part 2 can be fixed by welding on the inwall of water tank 1.
In addition, heater element 3 extend into the cavity of isolated part 2 from the second opening 22 of isolated part 2, preferentially heats the water in this cavity, and this heater element 3 can be electric heating device.
Isolated part 2 in present embodiment adopts elongated tubular structure, is, when considering that water flows in thinner cavity, to have certain flowing velocity, when current have certain speed, can reduce the speed of heater element 3 fouling.
For making heater element 3 easily to extend in tubular structure, the central axis upright of isolated part 2 intersects at the central axis of water tank 1, and the center making heater element 3 can be right against water tank 1 is inserted.Wherein, water tank 1 is preferably cylinder-like structure.
In present embodiment, the end with the first opening 21 of isolated part 2 is formed as the first horn-like structure, by this end is set to horn-like structure, when flowing to the cavity of water from tubular structure in this horn-like structure, because cross section becomes large, the flow velocity of water reduces at this place (i.e. delivery port 11 place), and the even water temperature at this place can be made consistent.
The end with the second opening 22 of isolated part 2 is formed as the second horn-like structure, the large port footpath of the first horn-like structure is greater than the large port footpath of this second horn-like structure, relatively little horn-like structure is set in the end with the second opening 22 of isolated part 2, water can be conducive to and flows in described cavity.
As shown in Figure 2, at least part of inwall side between described first horn-like structure and described second horn-like structure of isolated part 2 is provided with groove 23, described groove 23 is formed as helicoidal structure, current are by forming turbulent flow during groove 23, so not only be beneficial to the Fast Heating of water, the water temperature in cavity also can be made more balanced.Groove 23 is not limited to be formed as helicoidal structure, any groove that current can be made to form turbulent flow.
In addition, in present embodiment, the delivery port 11 of water tank 1 is positioned at the upper position of water tank 1, and the described water inlet 12 of water tank 1 is positioned at the lower position of described water tank 1.Such isolated part 2 is positioned at the upper position of water tank 1, and the water that the temperature that heater element 3 can be made to heat is higher concentrates on top, and the lower water of the temperature just entered concentrates on lower position, is beneficial to and prevents hot water from spreading to whole casing.
For controlling the heating-up temperature of water in casing 1 better, the diverse location in water tank 1 is furnished with temperature sensor respectively, and one of them temperature sensor is positioned at described first space and the position of the described delivery port 11 of close water tank 1.
Specifically as shown in Figure 1, the first temperature sensor 4 is disposed with from top to bottom in water tank 1, second temperature sensor 5 and three-temperature sensor 6, wherein, first temperature sensor 4 is arranged in the position of the cavity of isolated part 2 and the delivery port 11 near water tank 1, to detect the temperature of the water at this delivery port 11 place, and be formed as horn-like structure due to one end being positioned at delivery port 11 place of isolated part 2, current in this horn-like structure are relatively slow, make this place's even water temperature consistent, thus the temperature that the first temperature sensor 4 senses is consistent with the temperature of the water that delivery port 11 flows out.
This liquid heating also includes control unit, each temperature sensor and heater element 3 are connected to this control unit respectively, and this control unit can be in the first heating mode or the second heating mode according to the temperature control heater part 3 of described temperature sensor senses.When hot water demand measures less, heater element 3 can be controlled and be in the first heating mode, and when hot water demand measures more, control heater part 3 is in the second heating mode.
At the first heating mode, the temperature that the switch of heater element 3 senses according to the temperature sensor in the first space controls, the temperature T namely detected by the first temperature sensor 4
1control, at the temperature T that the first temperature sensor 4 detects
1arrive the first preset temperature T
atime, heater element 3 is closed, and lower than the first preset temperature T
atime, heater element 3 is opened.The first preset temperature T wherein
afor the hot water set in the first heating mode needs the temperature that is heated to.
And at this first heating mode, the power of heater element 3 is according to the first preset temperature T
awith the temperature T that the first temperature sensor 4 in the first space senses
1difference (i.e. T
a-T
1) adjust.This difference is larger, and the power of heater element 3 is larger; Difference is less, and the power of heater element 3 is less.Specifically can at the power of heater element 3 and difference (T
a-T
1) between set certain functional relation, as this functional relation can be functional relation or other the curvilinear function relation of direct ratio.
At the second heating mode, the mean value of the temperature that the switch of heater element 3 can sense according to the multiple temperature sensors in water tank 1 controls, namely according to the present embodiment in the first temperature sensor 4, second temperature sensor 5 and the mean value (T of the temperature detected by three-temperature sensor 6
1+ T
2+ T
3)/3 control.At this mean value (T
1+ T
2+ T
3)/3 arrive the second preset temperature T
btime, heater element 3 is closed, and lower than the second preset temperature T
btime, heater element 3 is opened.Wherein this second preset temperature T
bfor the hot water set in the second heating mode needs the temperature that is heated to.
At the second heating mode, the power of heater element 3 is according to described second preset temperature T
bdifference (the i.e. T of the mean value of the temperature sensed with the multiple temperature sensors in water tank 1
b-(T
1+ T
2+ T
3)/3) adjust; This difference is larger, and the power of heater element 3 is larger; Difference is less, and the power of heater element 3 is less.Specifically also can at the power of this heater element 3 and difference (T
b-(T
1+ T
2+ T
3)/3) between set certain functional relation.
Wherein, the functional relation between the power of the functional relation in the first heating mode between the power of heater element 3 and difference and heater element 3 in the second heating mode and difference can be identical, also can be different; First preset temperature T
awith the second preset temperature T
bcan be identical, also can be different.
The present invention also provides a kind of heat pump water-heating machine, and this heat pump water-heating machine includes liquid heating as above.By adopting liquid heating as above in heat pump water-heating machine, when needing the amount of hot water less, water in first space in water tank 1 is heated to preset temperature, without the need to the water in whole water tank 1 is all heated to preset temperature, thus can energy consumption be saved.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (13)
1. a liquid heating, comprise the water tank (1) with delivery port (11) and water inlet (12), it is characterized in that, isolated part (2) is provided with in described water tank (1), described isolated part (2) is by isolation formation first space, space in described water tank (1) and second space, the position in described first space is arranged so that the liquid in described first space can flow out from described delivery port (11) prior to the liquid of described second space, and the liquid in described second space can enter into described first space;
Described liquid heating also comprises the heater element (3) for heating the liquid in described first space being arranged in described first space at least partly.
2. liquid heating according to claim 1, it is characterized in that, described isolated part (2) is for having the structure of cavity, described cavity is formed as described first space, the space being positioned at the described water tank (1) outside described isolated part (2) is formed as described second space, described isolated part (2) is provided with and first opening (21) of described cavity connects and the second opening (22) for introducing liquid from described second space to described cavity, the described delivery port (11) of the contiguous described water tank (1) of described first opening (21) and arrange with can by the Liquid transfer in described cavity to this delivery port (11) towards described delivery port (11).
3. liquid heating according to claim 2, it is characterized in that, described isolated part (2) is elongated tubular structure, and the opening of one end of described tubular structure is described first opening (21), and the opening of the other end is described second opening (22);
The end with described first opening (21) of described tubular structure around the described delivery port (11) of described water tank (1) and the internal face being close to described water tank (1) arrange.
Described heater element (3) extend into the described cavity of described isolated part (2) from described second opening (22).
4. liquid heating according to claim 3, is characterized in that, the end with described first opening (21) of described isolated part (2) is formed as the first horn-like structure.
5. liquid heating according to claim 4, it is characterized in that, the end with described second opening (22) of described isolated part (2) is formed as the second horn-like structure, and the large port footpath of described first horn-like structure is greater than the large port footpath of described second horn-like structure.
6. liquid heating according to claim 5, is characterized in that, at least part of inwall side between described first horn-like structure and described second horn-like structure of described isolated part (2) is provided with groove (23).
7. liquid heating according to claim 6, is characterized in that, the described groove (23) on described isolated part (2) inwall side is formed as helicoidal structure.
8. liquid heating according to claim 3, is characterized in that, described water tank (1) is cylinder-like structure, and the central axis upright of described isolated part (2) intersects at the central axis of described water tank (1).
9. liquid heating according to claim 1, it is characterized in that, the described delivery port (11) of described water tank (1) is positioned at the upper position of described water tank (1), and the described water inlet (12) of described water tank (1) is positioned at the lower position of described water tank (1).
10. according to the liquid heating in claim 1-9 described in any one, it is characterized in that, diverse location in described water tank (1) is furnished with temperature sensor respectively, and temperature sensor described in one of them is positioned at described first space and the position of the described delivery port (11) of close described water tank (1).
11. liquid heating according to claim 10, it is characterized in that, described liquid heating also includes control unit, described temperature sensor and described heater element (3) are connected to described control unit respectively, and described control unit can control described heater element (3) according to the temperature of described temperature sensor senses and be in the first heating mode or the second heating mode;
At described first heating mode, the temperature that the switch of described heater element (3) senses according to the described temperature sensor in described first space controls;
At described second heating mode, the mean value of the temperature that the switch of described heater element (3) senses according to the multiple described temperature sensor in described water tank (1) controls.
12. liquid heating according to claim 11, it is characterized in that, at described first heating mode, the difference of the temperature that the power of described heater element (3) senses according to the described temperature sensor in the first preset temperature and described first space adjusts;
At described second heating mode, the difference of the mean value of the temperature that the power of described heater element (3) senses according to the multiple described temperature sensor in the second preset temperature and described water tank (1) adjusts;
Described difference is larger, and the power of described heater element (3) is larger; Described difference is less, and the power of described heater element (3) is less.
13. 1 kinds of heat pump water-heating machines, is characterized in that, described heat pump water-heating machine includes the liquid heating in claim 1-12 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382977.9A CN104949332B (en) | 2015-07-01 | 2015-07-01 | Liquid heating and heat pump water-heating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382977.9A CN104949332B (en) | 2015-07-01 | 2015-07-01 | Liquid heating and heat pump water-heating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104949332A true CN104949332A (en) | 2015-09-30 |
| CN104949332B CN104949332B (en) | 2017-08-29 |
Family
ID=54164196
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510382977.9A Active CN104949332B (en) | 2015-07-01 | 2015-07-01 | Liquid heating and heat pump water-heating machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008241168A (en) * | 2007-03-28 | 2008-10-09 | Daikin Ind Ltd | Heat pump type hot water supply device |
| CN202403429U (en) * | 2011-11-28 | 2012-08-29 | 江西泰斗能源科技有限公司 | Double-inner-container water tank of solar water heater |
| KR101227167B1 (en) * | 2011-04-04 | 2013-01-28 | 한국에너지기술연구원 | Boiler flue gas heat recovery system using heat pump |
| CN204187834U (en) * | 2014-08-28 | 2015-03-04 | 珠海格力电器股份有限公司 | A kind of water tank and Teat pump boiler |
-
2015
- 2015-07-01 CN CN201510382977.9A patent/CN104949332B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008241168A (en) * | 2007-03-28 | 2008-10-09 | Daikin Ind Ltd | Heat pump type hot water supply device |
| KR101227167B1 (en) * | 2011-04-04 | 2013-01-28 | 한국에너지기술연구원 | Boiler flue gas heat recovery system using heat pump |
| CN202403429U (en) * | 2011-11-28 | 2012-08-29 | 江西泰斗能源科技有限公司 | Double-inner-container water tank of solar water heater |
| CN204187834U (en) * | 2014-08-28 | 2015-03-04 | 珠海格力电器股份有限公司 | A kind of water tank and Teat pump boiler |
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|---|---|
| CN104949332B (en) | 2017-08-29 |
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