CN201003865Y - Displacement-variable power-variable energy-saving electric water heater - Google Patents
Displacement-variable power-variable energy-saving electric water heater Download PDFInfo
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- CN201003865Y CN201003865Y CNU2006200774997U CN200620077499U CN201003865Y CN 201003865 Y CN201003865 Y CN 201003865Y CN U2006200774997 U CNU2006200774997 U CN U2006200774997U CN 200620077499 U CN200620077499 U CN 200620077499U CN 201003865 Y CN201003865 Y CN 201003865Y
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- electric heater
- electrically heated
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- switch device
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Abstract
The utility model relates to an energy-saving electric water heater with variable capacitance and power, belonging to the technical field of household appliances. The heater comprises an inner lining, and at least two packs of electric heating devices controlled by a switch circuit, arranged in the inner lining and arranged at different heights in the inner lining; the switch circuit at least has three switching statuses, one switching status is to switch on the heating device at the upper position, another switching status is to switch on the heating device at the lower position, and the third switching status is to tandemly switch on the at least two packs of electric heating device. The utility model can not only take advantages of the characteristics of the heater, but also break free from the general of heaters and scientifically apply the power characteristic of tandem circuit; adding no any heating device and preserving the original functions of the heater, the utility model can heat with a small power; therefore, the utility model has greater suitability and more perfect performance, and is beneficial to energy saving.
Description
Technical field
The utility model relates to a kind of electric heater, and the electric heater that especially a kind of heating power can change belongs to household electrical appliance technical field.
Background technology
The water storage liner of traditional electrical water heater is only installed an electrically heated rod in (claiming water tank again) usually, therefore has only a kind of mode of heating, is difficult to satisfying personalized user demand.In the actual use of electric heater, the difference of changes of seasons, personal habits and rhythm of life, various demands are usually appearred in mode of heating, for example normal heating and Fast Heating, whole courage heating and little water yield heating, heating and small-power heating at full capacity, or the like.
In order to address this problem, can use for reference the mentality of designing of 92200677.6 patent applications, increase heater element.Retrieval finds, application number is that 02201369.5 and 03274603.2 Chinese patent application discloses two kinds of electric heaters that have two heat-generating pipes at least respectively.Yet,, therefore can't directly use for reference because this two patent is not to propose at above problem.
The applicant is at the design feature of electric heater and the characteristic of water temperature delamination, through experiment, two heating rod electric heaters have been developed, be about to the electrically heated rod that two power are respectively 1000W and 1500W and be installed in inner bag middle part and bottom respectively, therefore can produce at least two kinds of heated conditions: 1) .1000W heating, first courage water of a heating water tank; 2) the whole courage water of the conventional heating of .1500W.Like this, can satisfy user demand more flexibly, and rationally energy-conservation, thus solved the problems referred to above to a certain extent.
Yet, above-mentioned pair of heating rod electric heater is in actual use because power is less, and the speed of heating is still fast inadequately, if simply improve power, will limit electric heater and use on the not enough circuit of load capacity, therefore still depositing needs further to improve improve part.
Further increase the small power electric heater element and obviously can overcome the above problems, but make not only that like this inner-tube structure of electric heater is complicated more, and will further increase manufacturing cost.
The utility model content
The utility model wants the technical solution problem to be: keeping the inner bag original structure, do not increasing under the prerequisite of cost, proposing a kind of Fast Heating that not only can realize heats up, but also can realize that the transfiguration of small-power heating becomes the power energy-saving electric heater, thereby it is stronger to make transfiguration become power electric heater adaptability, and performance is more perfect.
In order to solve above technical problem, the technical scheme that the utility model transfiguration becomes the power energy-saving electric heater is: this water heater comprises inner bag, described inner bag is equipped with the electric heater of at least two groups by on-off circuit control, be placed in inner container of electric water heater differing heights position respectively, described on-off circuit has three kinds of switch switching states at least, the independent on-position of one of described switching state is at last electric heater, two independent on-positions of described switching state under electric heater, three series connections of described state pass to few two groups of electric heaters.
During practical application, be generally two electrically heated rods, be placed in inner container of electric water heater differing heights position respectively.Therefore, can realize three kinds of mode of heatings at least:
1. electrically heated rod is gone up in connection separately, utilizes the water temperature delamination characteristic, heats first courage water with its power, is implemented in to make first courage water reach operable design temperature in very short time, and is both quick, energy-conservation again;
2. connect electrically heated rod down separately,, make whole courage water be heated to design temperature within a short period of time, satisfy the user demand of big water consumption with its power heating;
3. connect the upper and lower electrically heated rod of series connection, it is worked simultaneously, according to Ohm's law, the general power of this moment is less than original power of two electrically heated rods, thereby the user demand of the not enough circuit of load capacity is satisfied in the heating of realization small-power.
Understand easily, the utility model has not only rationally utilized the characteristic of water heater itself, and break electric heater and control conventional, scientific utilization the power characteristic of series circuit, do not increasing heater element and keeping having realized the small-power heating under the situation of original function, thereby making change power electric heater adaptability stronger, performance is more perfect, and helps energy-conservation.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the state of a control one of Fig. 1 embodiment.
Fig. 3 is the state of a control two of Fig. 1 embodiment.
Fig. 4 is the state of a control three of Fig. 1 embodiment.
Fig. 5 is the structural representation of the utility model preferred embodiment two.
Fig. 6 is the state of a control one of Fig. 5 embodiment.
Fig. 7 is the state of a control two of Fig. 5 embodiment.
Fig. 8 is the state of a control three of Fig. 5 embodiment.
Fig. 9-Figure 15 is the various state of a control schematic diagrames of the utility model embodiment three.
The specific embodiment
Embodiment one
The transfiguration of present embodiment becomes the power energy-saving electric heater as shown in Figure 1, and the bottom of inner bag 6 is provided with water inlet pipe 4 and outlet pipe 5.The middle part of one end and bottom are equipped with power and are anode stub 2 is installed between the electrically heated rod 3 of 2500W and 1, two electrically heated rod.
The on-off circuit of controlling two electrically heated rods contain first, second, three- position switch device 7,9,8, wherein first and second switching devices 7,9 are separately positioned on phase line and zero line side, constitute series loop through lead and upper and lower two electrically heated rods, the line between two electrically heated rods can be connected with zero line side with phase line respectively through the three-position switch device.
Therefore can realize following three kinds of mode of heatings at least:
1. the first switching device closure, the three-position switch device is connected zero line side, and last electrically heated rod EH1 works independently, and utilizes the water temperature delamination characteristic, heat first courage water with 2500W power, realize making the inner bag upper water reach operable design temperature (referring to Fig. 2) in the short time;
2. second switch device closure, the three-position switch device is connected the phase line end, and following electrically heated rod EH2 works independently, and with the whole courage water of 2500W power heating, makes be heated to design temperature its within a short period of time, satisfies the user demand (referring to Fig. 3) of big water consumption;
3. first and second switching devices are closed simultaneously, and the three-position switch device disconnects, and upper and lower electrically heated rod series connection is connected, and with the heating work simultaneously of 1250W small-power, satisfies the user demand (referring to Fig. 4) of the not enough circuit of load capacity.
The experiment situation of above mode of heating sees the following form:
The sequence number mode of heating add the hot water amount heat preceding temperature (degree) temperature after heating (degree) consuming time (hour)
2500W half courage water 20.8 75.67 1.23 on 1
The 2 full courage water 20.06 75.34 3.86 of 1250W of connecting up and down
3 times full courage water 20.23 75.41 1.92 of 2500W
Embodiment two
The basic condition of present embodiment is identical with embodiment one, and difference is that the second switch device 9 of on-off circuit connects with double-throw switch 8, and the direct connecting to neutral of an end of electrically heated rod EH2 down.Promptly first switching device is arranged on the phase line end, constitutes series circuit with two electrically heated rods, and the line between two electrically heated rods can be distinguished the phase-connecting wire end or through second switch device connecting to neutral line end through the double-throw switch device.By the different switching controls shown in Fig. 6,7,8, can realize three kind mode of heating, the not repeated descriptions identical equally with embodiment one.
In addition,, can also make first and second switching devices closed simultaneously in case of necessity, realize two electrically heated rods high-power Fast Heating in parallel for the abundant occasion of some power.
Obviously, adopt above embodiment after, can increase cost hardly and keep under the situation of original function, very easy realization the small-power heating, thereby compare with existing similar electric heater, adaptability is stronger, can better meet user demand, and help energy-conservation.
Embodiment three
The utility model is not limited to two electrically heated rods, according to the thinking of technical solutions of the utility model, where necessary, also can adopt three or more electric heating device.The state of a control that present embodiment has been showed its various mode of heatings with three electrically heated rod EH1, EH2, EH3 that are placed in the inner bag differing heights respectively, be not difficult to find out, according to the utility model, can derive many mode of heatings, thereby satisfy various user demands, make electric heater have stronger adaptability.
In addition to the implementation, the utility model can also have many other embodiments.For example, switching device can be switch, relay or the like.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (3)
1. a transfiguration becomes the power energy-saving electric heater, comprise inner bag, it is characterized in that: described inner bag is equipped with the electric heater of at least two groups by on-off circuit control, be placed in inner container of electric water heater differing heights position respectively, described on-off circuit has three kinds of switch switching states at least, one of described switching state separately on-position at last electric heater, two independent on-positions of described switching state under electric heater, three series connections of described state pass to two groups of electric heaters less.
2. described transfiguration becomes the power energy-saving electric heater according to claim 1, it is characterized in that: described electric heater is two electrically heated rods, described on-off circuit contains first, second and three-position switch device, described first and second switching devices are separately positioned on phase line and zero line side, constitute series loop through lead and upper and lower two electrically heated rods, the line between described two electrically heated rods can be connected or disconnect connection respectively through the three-position switch device with phase line or zero line side.
3. described transfiguration becomes the power energy-saving electric heater according to claim 1, it is characterized in that: described electric heater is two electrically heated rods, described on-off circuit contains first, second and double-throw switch device, described first switching device is arranged on the phase line end, constitute series circuit with two electrically heated rods, the line between described two electrically heated rods can be distinguished the phase-connecting wire end or through second switch device connecting to neutral line end through the double-throw switch device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200774997U CN201003865Y (en) | 2006-08-16 | 2006-08-16 | Displacement-variable power-variable energy-saving electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200774997U CN201003865Y (en) | 2006-08-16 | 2006-08-16 | Displacement-variable power-variable energy-saving electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201003865Y true CN201003865Y (en) | 2008-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200774997U Expired - Lifetime CN201003865Y (en) | 2006-08-16 | 2006-08-16 | Displacement-variable power-variable energy-saving electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201003865Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384579A (en) * | 2010-08-30 | 2012-03-21 | 博西华电器（江苏）有限公司 | Electric water heater |
| CN104110885A (en) * | 2014-05-28 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and control method thereof |
| CN104422140A (en) * | 2013-09-02 | 2015-03-18 | 海尔集团公司 | High-power heater, electric water heater comprising same and control method of electric water heater |
| CN111457591A (en) * | 2020-04-23 | 2020-07-28 | 南京工业大学 | Heat storage device with heating rod and heating method |
-
2006
- 2006-08-16 CN CNU2006200774997U patent/CN201003865Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384579A (en) * | 2010-08-30 | 2012-03-21 | 博西华电器（江苏）有限公司 | Electric water heater |
| CN102384579B (en) * | 2010-08-30 | 2016-06-15 | 博西华电器（江苏）有限公司 | Electric heater |
| CN104422140A (en) * | 2013-09-02 | 2015-03-18 | 海尔集团公司 | High-power heater, electric water heater comprising same and control method of electric water heater |
| CN104110885A (en) * | 2014-05-28 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and control method thereof |
| CN104110885B (en) * | 2014-05-28 | 2017-08-25 | 芜湖美的厨卫电器制造有限公司 | The control method of electric heater and electric heater |
| CN111457591A (en) * | 2020-04-23 | 2020-07-28 | 南京工业大学 | Heat storage device with heating rod and heating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080109 |
|
| EXPY | Termination of patent right or utility model |