CN202303942U - Variable-power electric water heater - Google Patents
Variable-power electric water heater Download PDFInfo
- Publication number
- CN202303942U CN202303942U CN2011201692444U CN201120169244U CN202303942U CN 202303942 U CN202303942 U CN 202303942U CN 2011201692444 U CN2011201692444 U CN 2011201692444U CN 201120169244 U CN201120169244 U CN 201120169244U CN 202303942 U CN202303942 U CN 202303942U
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- heat
- position switch
- generating pipe
- pole
- utmost point
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Abstract
The utility model discloses a variable-power electric water heater, which comprises a shell, a liner, a heating pipe and a control circuit. The variable-power electric water heater is characterized in that: the heating pipe comprises a first heating pipe and a second heating pipe; the control circuit comprises a first three-pole two-position switch, a second three-pole two-position switch and a connecting line; an input pole of the first three-pole two-position switch is connected with a live line, a first output pole of the first three-pole two-position switch is connected with one terminal of the first heating pipe, and a second output pole of the first three-pole two-position switch is connected with one terminal of the second heating pipe; the input pole of the second three-pole two-position switch is connected with the other terminal of the first heating pipe, the first output pole of the second three-pole two-position switch is connected with a null line, and the second output pole of the second three-pole two-position switch is connected with the second output pole of the first three-pole two-position switch; and the other terminal of the second heating pipe is connected with the null line. The variable-power electric water heater has the advantages of low manufacturing cost, simple structure and convenience for control.
Description
Technical field
The utility model relates to electric heater and makes the field, relates in particular to the variable electric heater of a kind of heating power.
Background technology
Home-use electric heater is general with single electro-heat equipment, through the hot water temperature in the temperature controller control inner bag, after the energized; When water temperature did not reach predetermined temperature, heating tube heated water, after the water in the inner bag reaches temperature; Temperature controller cuts off the electro-heat equipment power supply, and with the temperature of water in this stable inner bag, this type of electric heater is simple in structure; Stable performance, but in use be difficult to accomplish Fast Heating, the more energy-conservation function of low-power insulation etc.; In order to improve this shortcoming, in existing electric water heater, used the technology of multiple heat pipe; Connection combination through the control heat-generating pipe makes in different occasions, changing of general power, thereby realizes functions such as energy-saving heat preserving, Fast Heating; But the hidden danger of used control circuit more complicated even the unexpected parallel connection of existence, the utility model is developed under this background technology.
Summary of the invention
The purpose of the utility model is to propose a kind of change power electric heater for solving the problems of the technologies described above, and it has cheap for manufacturing cost, and is simple for structure, controls advantage easily.
Adopt following technical proposal for solving the problems of the technologies described above the utility model:
A kind of change power electric heater; Include shell, inner bag, heat-generating pipe and control circuit; It is characterized in that described heat-generating pipe includes first heat-generating pipe, second heat-generating pipe, said control circuit includes first three utmost points two-position switch, second three utmost point two-position switch and connection line, the input utmost point of first the three utmost points two-position switch line of starting to exchange fire; First output stage connects a terminal of first heat-generating pipe, and second output stage connects a terminal of second heat-generating pipe; The input utmost point of second three utmost point two-position switch connects the another terminal of first heat-generating pipe, and first output stage connects zero line, and second output stage connects second output stage of first three utmost points two-position switch; The another terminal of second heat-generating pipe connects zero line.
Further design; Between described second three utmost point two-position switch first output stage and the zero line bipolar unit switch is installed also; The input utmost point of bipolar unit switch is connected with second three utmost point two-position switch first output stage, and the output stage of bipolar unit switch is connected with zero line.
Further design is equipped with fuse on the bus of live wire in the described control circuit.
The beneficial effect of the utility model is: realized the series connection of heat-generating pipe through using two groups of heat-generating pipes and the cooperation of organizing switches, various modes such as independent use have solved the possibility that the heat-generating pipe parallel operation can not occur from hardware, guarantee the safety of using more.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the circuit diagram of the utility model embodiment one;
Fig. 3 is one of the utility model embodiment one a duty sketch map;
Fig. 4 is two sketch mapes of the utility model embodiment one duty;
Fig. 5 is three sketch mapes of the utility model embodiment one duty;
Fig. 6 is the circuit diagram of the close mode one of the utility model;
Fig. 7 is the circuit diagram of the close mode two of the utility model;
Fig. 8 is the circuit diagram of the close mode three of the utility model.
The specific embodiment
Embodiment one, shown in Fig. 1-2, and a kind of change power electric heater; Include shell 1, inner bag 2, heat-generating pipe and control circuit; Heat-generating pipe includes first heat-generating pipe 3, second heat-generating pipe 4, and control circuit includes first three utmost points two-position switch 5, second three utmost point two-position switch 6 and connection line, the input utmost point of first three utmost points two-position switch 5 line of starting to exchange fire; First output stage connects a terminal of first heat-generating pipe 3, and second output stage connects a terminal of second heat-generating pipe 4; The input utmost point of second three utmost point two-position switch 6 connects the another terminal of first heat-generating pipe 3, and first output stage connects zero line, and second output stage connects second output stage of first three utmost points two-position switch 5; The another terminal of second heat-generating pipe 4 connects zero line.
For guaranteeing the safety of circuit; Between second three utmost point two-position switch, 6 first output stages and zero line, bipolar unit switch 7 is installed also; The input utmost point of bipolar unit switch 7 is connected with second three utmost point two-position switch, 6 first output stages, and the output stage of bipolar unit switch 7 is connected with zero line; Fuse (8) is installed on the bus of live wire.
The duty of present embodiment is following:
State one: as shown in Figure 3; Through first output stage of connecting first three utmost points two-position switch 5, first output stage of connecting second three utmost point two-position switch 6, the bipolar unit of connection switch 7; First heat-generating pipe is connected separately, used powerful first heat-generating pipe to heat;
State two: as shown in Figure 4, through second output stage, the bipolar unit of the disconnection switch 7 of connecting first three utmost points two-position switch 5; Second heat-generating pipe is connected separately, realized the small-power heating;
State three: as shown in Figure 5, through first output stage of connecting first three utmost points two-position switch 5, second output stage of connecting second three utmost point two-position switch 6, break off bipolar unit switch 7, first heat-generating pipe is connected with second heat-generating pipe, realize the low-power insulation.
For realizing the function of the utility model, also can realize in the following manner, in conjunction with accompanying drawing, specific as follows:
Mode one; As shown in Figure 6, comprise in the control circuit that the input utmost point that connects first heat-generating pipe 3, second heat-generating pipe 4 and three utmost point two-position switch, 5, three utmost point two-position switch 5 is connected with live wire; First output stage connects first heat-generating pipe, 3, the second output stages and connects second heat-generating pipe 4; Be used to connect the bipolar unit switch 6 of first heat-generating pipe 3 and second heat-generating pipe 4, be used to connect the bipolar unit switch 7 of first heat-generating pipe 3 and zero line.
Mode two; As shown in Figure 7, comprise in the control circuit that the input utmost point of three utmost point two-position switch, 5, three utmost point two-position switch 5 that connect first heat-generating pipe 3, second heat-generating pipe 4 is connected with live wire; First output stage connects first heat-generating pipe 3, second output stage connects second heat-generating pipe 4; First output stage that is used to connect three utmost point two-position switch, 6, three utmost point two-position switch 6 of first heat-generating pipe 3, second heat-generating pipe 4 and zero line connects first heat-generating pipe, 4, the second output stages and connects zero line.
Mode three, as shown in Figure 8, comprise in the control circuit that first output stage that connects first heat-generating pipe 3, second heat-generating pipe 4 and three utmost point two-position switch, 5, three utmost point two-position switch 5 connects second heat-generating pipe, 4, the second output stages and connects zero line; Between second output stage and zero line of three utmost point two-position switch 5, also be provided with a bipolar unit switch 6; Second heat-generating pipe 4 also is connected with live wire through lead, and between is provided with bipolar unit switch 7.
Through being used of control circuit and heat-generating pipe, realized multiple mode of operation, can use the different working pattern under the different user modes; When insulation, can to save energy consumption, not need under the very high situation of water temperature with the work of two heat-generating pipe series systems again; Can conveniently obtain suitable temperature with single heat-generating pipe work again, can reduce energy consumption again; The utility model energy-saving effect in actual use is obvious, and is easy to use.
Claims (3)
1. one kind becomes the power electric heater; Include shell (1), inner bag (2), heat-generating pipe and control circuit; It is characterized in that described heat-generating pipe includes first heat-generating pipe (3), second heat-generating pipe (4); Said control circuit includes first three utmost points two-position switch (5), second three utmost point two-position switch (6) and connection line; The input utmost point of first three utmost points two-position switch (5) line of starting to exchange fire, first output stage connects a terminal of first heat-generating pipe (3), and second output stage connects a terminal of second heat-generating pipe (4); The input utmost point of second three utmost point two-position switch (6) connects the another terminal of first heat-generating pipe (3), and first output stage connects zero line, and second output stage connects second output stage of first three utmost points two-position switch (5); The another terminal of second heat-generating pipe (4) connects zero line.
2. a kind of change power electric heater according to claim 1; It is characterized in that between described second three utmost point two-position switch (6) first output stages and the zero line bipolar unit switch (7) being installed also; The input utmost point of bipolar unit switch (7) is connected with second three utmost point two-position switch (6) first output stages, and the output stage of bipolar unit switch (7) is connected with zero line.
3. a kind of change power electric heater according to claim 1 is characterized in that on the bus of live wire in the described control circuit fuse (8) being installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201692444U CN202303942U (en) | 2011-05-25 | 2011-05-25 | Variable-power electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201692444U CN202303942U (en) | 2011-05-25 | 2011-05-25 | Variable-power electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202303942U true CN202303942U (en) | 2012-07-04 |
Family
ID=46372826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201692444U Expired - Lifetime CN202303942U (en) | 2011-05-25 | 2011-05-25 | Variable-power electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202303942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2011
- 2011-05-25 CN CN2011201692444U patent/CN202303942U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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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: 20120704 |
|
| CX01 | Expiry of patent term |