CN204438499U - The electric heater of a kind of point of gear-type heating and keeping warm mode identification display - Google Patents
The electric heater of a kind of point of gear-type heating and keeping warm mode identification display Download PDFInfo
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- CN204438499U CN204438499U CN201520108091.0U CN201520108091U CN204438499U CN 204438499 U CN204438499 U CN 204438499U CN 201520108091 U CN201520108091 U CN 201520108091U CN 204438499 U CN204438499 U CN 204438499U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 17
- 239000012530 fluid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The electric heater of a kind of point of gear-type heating and keeping warm mode identification display disclosed in the utility model, the inner bag comprising shell and arrange in the enclosure, divide gear heat-generating pipe and temperature controller, the input of described temperature controller connects power supply line, described point of gear heat-generating pipe is placed in inner bag and divides gear to be connected to the output of temperature controller by arranging several GSS Gear Select Switch, also include power sense circuit and display circuit, the input of described power sense circuit is connected to different GSS Gear Select Switch respectively for detecting the level value of each GSS Gear Select Switch, the output of described power sense circuit connects display circuit, the parallel way that adopts this power sense circuit detects a point gear heat-generating pipe and whether connects operating voltage, the duty of electric heater is identified with this, the duty of electric heater can be identified more exactly.
Description
Technical field
The utility model relates to electric heater, the electric heater of especially a kind of point of gear-type heating and keeping warm mode identification display.
Background technology
At present, existing storage-type electric water heater adopts mechanical switch to select an electricity point gear heat-generating pipe to heat usually, namely the operating power that the operation range of electricity point gear heat-generating pipe is corresponding different, the heated condition of electric heater and the identification of keeping warm mode generally adopt series electrical minor to detect, namely the zero line (N) of the public termination power supply of gear-type electricity point gear heat-generating pipe is divided, live wire (L) first accesses rotating machinery formula temperature controller input, two GSS Gear Select Switch are connected respectively from rotating machinery formula temperature controller output, and from rotating machinery formula temperature controller output connect again a cable be connected to heating and insulation detect input.Adopt and detect heating and keeping warm mode in this way, when the whole deenergization of GSS Gear Select Switch connects (this duty, correct display must be keeping warm mode), when inner container of electric water heater water temperature not yet reaches the temperature of rotating machinery formula temperature controller setting, rotating machinery formula temperature controller can not connect by deenergization, because heating and insulation detection streamer line are connected to rotating machinery formula temperature controller output, therefore this detection mode correctly can not identify the duty of electric heater under this kind of state, namely can not correctly identify heated condition and keeping warm mode.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides the electric heater of a kind of point of gear-type heating and keeping warm mode identification display, avoids the situation that correctly can not identify electric heater duty.
To achieve these goals, the technical scheme that the utility model adopts is:
The electric heater of a kind of point of gear-type heating and keeping warm mode identification display, the inner bag comprising shell and arrange in the enclosure, divide gear heat-generating pipe and temperature controller, the input of described temperature controller connects power supply line, described point of gear heat-generating pipe is placed in inner bag and divides gear to be connected to the output of temperature controller by arranging several GSS Gear Select Switch, also include power sense circuit and display circuit, the input of described power sense circuit is connected to different GSS Gear Select Switch respectively for detecting the level value of each GSS Gear Select Switch, the output of described power sense circuit connects display circuit, the parallel way that adopts this power sense circuit detects a point gear heat-generating pipe and whether connects operating voltage, the duty of electric heater is identified with this.
In said structure, described power sense circuit comprises photo-coupler, and the input of described photo-coupler is connected on each GSS Gear Select Switch respectively, and its output connects display circuit.
Preferably, described point of gear heat-generating pipe is two gear heat-generating pipes, and described GSS Gear Select Switch comprises the first GSS Gear Select Switch and the second GSS Gear Select Switch, and the input of described photo-coupler connects the first GSS Gear Select Switch and the second GSS Gear Select Switch respectively.
Preferably, described temperature controller is rotating machinery formula temperature controller.
Preferably, the input of described temperature controller is provided with temperature limiter and is connected with power supply line.
Above-mentioned temperature limiter is enclosed type Kick type temperature switch or fluid pressure type temperature switch.
The beneficial effects of the utility model: this electric heater detects the voltage signal of each GSS Gear Select Switch by power sense circuit, namely adopt parallel way to detect a point gear heat-generating pipe and whether connect operating voltage, divide gear heat-generating pipe to connect operating voltage and be defined as heated condition, divide gear heat-generating pipe access failure operating voltage to be defined as keeping warm mode, the duty of electric heater can be identified more exactly.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further.
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
Fig. 3 is the circuit theory diagrams of display circuit in the utility model.
Detailed description of the invention
With reference to Fig. 1, the utility model provides the electric heater of a kind of point of gear-type heating and keeping warm mode identification display, comprise shell and setting inner bag 1 in the enclosure, divide gear heat-generating pipe 2, GSS Gear Select Switch 3, temperature controller 4, power sense circuit 5 and display circuit 6, the temperature controller 4 adopted in embodiment is rotating machinery formula temperature controller, power sense circuit 5 adopts photo-coupler 51 as detection control element, and concrete syndeton is as follows:
In this embodiment, the common port of gear heat-generating pipe 2 is divided to connect the zero line N of power supply line, the live wire L of power supply line is through temperature limiter 7 and rotating machinery formula temperature controller 4, then be connected with a point gear heat-generating pipe 2 by GSS Gear Select Switch 3, point gear heat-generating pipe 2 adopted is two gear heat-generating pipes, comprise 1 grade and 2 grade of two incoming end, GSS Gear Select Switch 3 comprises the first GSS Gear Select Switch K1 and the second GSS Gear Select Switch K2, 1 grade of gear heat-generating pipe 2 is divided to be connected the first GSS Gear Select Switch K1 and the second GSS Gear Select Switch K2 respectively with 2 grades of incoming ends, detection input L1 and L2 of power sense circuit 5 is connected again respectively by two GSS Gear Select Switch, L1 and L2 is connected to diode "+" respectively by a resistor and holds and then be connected on the input pin P1 of photo-coupler 51, the pin P2 connecting to neutral line N of photo-coupler 51, the pin P4 of photo-coupler 51 connects+5V supply voltage through a pull-up resistor, and connect display circuit 6 by connecting winding displacement, the pin P3 of photo-coupler 51 is earth terminal.
In embodiment, temperature limiter 7 adopts enclosed type Kick type temperature switch; but be not limited thereto; also fluid pressure type temperature switch can be adopted; electric heater heat there are abnormal conditions in temperature limiter 7 that output is controlled temperature controller 4 is out of service, be conducive to protecting inner bag 1 water temperature of electric heater to be no more than the highest safe water temperature.
During use, when the first GSS Gear Select Switch K1 and the second GSS Gear Select Switch K2 all disconnects, L1 and L2 on power sense circuit 5 is electronegative potential relative to zero-power line N, photo-coupler 51 pin P1 and P2 holds without pressure drop, photo-coupler 51 pin P4 exports high level (+5v), and display circuit 6 detects that this level is then correctly shown as " insulation " state by LED.
When rotating machinery formula temperature controller 4 disconnects, L1 and L2 on power sense circuit 5 is low level relative to zero-power line N, photo-coupler 51 pin P1 and P2 holds without pressure drop, photo-coupler 51 pin P4 exports high level (+5v), and display circuit 6 detects that this level is then correctly shown as " insulation " state by LED.
As diagram, when have one to switch on power in the first GSS Gear Select Switch K1 and the second GSS Gear Select Switch K2 and rotating machinery formula temperature controller 4 non-deenergization time, L1 and L2 on power sense circuit 5 must have one end to be power source supplying voltage relative to zero-power line N, photo-coupler 51 pin P1 and P2 end has pressure drop, photo-coupler 51 pin P4 output low level (0v), display circuit 6 detects that this level is then correctly shown as " heating " state by LED.
The parallel way that adopts this electric heater detects a point gear heat-generating pipe 2 and whether connects operating voltage, divide gear heat-generating pipe 2 to connect operating voltage and be defined as heated condition, divide gear heat-generating pipe 2 access failure operating voltage to be defined as keeping warm mode, the duty of electric heater can be identified more exactly.
The above, just preferred embodiment of the present utility model, the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.
Claims (6)
1. the electric heater of one kind of point of gear-type heating and keeping warm mode identification display, the inner bag (1) comprising shell and arrange in the enclosure, divide gear heat-generating pipe (2) and temperature controller (4), the input of described temperature controller (4) connects power supply line, described point of gear heat-generating pipe (2) is placed in inner bag (1) and is connected to the output of temperature controller (4) by arranging several GSS Gear Select Switch (3) point gear, it is characterized in that: also include power sense circuit (5) and display circuit (6), the input of described power sense circuit (5) is connected to different GSS Gear Select Switch (3) respectively for detecting the level value of each GSS Gear Select Switch (3), the output of described power sense circuit (5) connects display circuit (6).
2. the electric heater of a kind of point of gear-type heating according to claim 1 and keeping warm mode identification display, it is characterized in that: described power sense circuit (5) comprises photo-coupler (51), the input of described photo-coupler (51) is connected on each GSS Gear Select Switch (3) respectively, and its output connects display circuit (6).
3. the electric heater of a kind of point of gear-type heating according to claim 2 and keeping warm mode identification display, it is characterized in that: described point of gear heat-generating pipe (2) is two gear heat-generating pipes, described GSS Gear Select Switch (3) comprises the first GSS Gear Select Switch and the second GSS Gear Select Switch, and the input of described photo-coupler (51) connects the first GSS Gear Select Switch and the second GSS Gear Select Switch respectively.
4. the electric heater of a kind of point of gear-type heating according to claim 1 and keeping warm mode identification display, is characterized in that: described temperature controller (4) is rotating machinery formula temperature controller.
5. a kind of point of gear-type heating according to claim 1 or 4 and the electric heater of keeping warm mode identification display, is characterized in that: the input of described temperature controller (4) is provided with temperature limiter (7) and is connected with power supply line.
6. the electric heater of a kind of point of gear-type heating according to claim 5 and keeping warm mode identification display, is characterized in that: described temperature limiter (7) is enclosed type Kick type temperature switch or fluid pressure type temperature switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108091.0U CN204438499U (en) | 2015-02-12 | 2015-02-12 | The electric heater of a kind of point of gear-type heating and keeping warm mode identification display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108091.0U CN204438499U (en) | 2015-02-12 | 2015-02-12 | The electric heater of a kind of point of gear-type heating and keeping warm mode identification display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204438499U true CN204438499U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520108091.0U Expired - Fee Related CN204438499U (en) | 2015-02-12 | 2015-02-12 | The electric heater of a kind of point of gear-type heating and keeping warm mode identification display |
Country Status (1)
| Country | Link |
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| CN (1) | CN204438499U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306802A (en) * | 2020-02-28 | 2020-06-19 | 广东格美淇电器有限公司 | Mechanical temperature control electric water heater |
| CN111351224A (en) * | 2018-12-20 | 2020-06-30 | 武汉海尔热水器有限公司 | Method for adjusting power of electric water heater and electric water heater |
-
2015
- 2015-02-12 CN CN201520108091.0U patent/CN204438499U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351224A (en) * | 2018-12-20 | 2020-06-30 | 武汉海尔热水器有限公司 | Method for adjusting power of electric water heater and electric water heater |
| CN111306802A (en) * | 2020-02-28 | 2020-06-19 | 广东格美淇电器有限公司 | Mechanical temperature control electric water heater |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 |