CN201242290Y - Control circuit for electric fireplace heater - Google Patents
Control circuit for electric fireplace heater Download PDFInfo
- Publication number
- CN201242290Y CN201242290Y CNU2008201084733U CN200820108473U CN201242290Y CN 201242290 Y CN201242290 Y CN 201242290Y CN U2008201084733 U CNU2008201084733 U CN U2008201084733U CN 200820108473 U CN200820108473 U CN 200820108473U CN 201242290 Y CN201242290 Y CN 201242290Y
- Authority
- CN
- China
- Prior art keywords
- control circuit
- temperature
- electric fireplace
- protection switch
- temperature protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a control circuit of a heater of an electric fireplace, which comprises a triode, a resistance and a capacitor, and the control circuit further comprises a temperature protection switch, and the temperature protection switch is connected in a zero-crossing detecting return circuit in series. The control circuit is characterized by connecting the temperature protection switch in the zero-crossing detecting return circuit. When reaching the set temperature, the heating source can be cut off and the heating source stops, an indicator lamp flickers, a buzzer sounds, which sends sound and light alarm to users to prevent fire hazard and other accidents.
Description
Technical field
The utility model relates to electric fireplace warmer control technology field, especially a kind of electric fireplace warmer control circuit.
Background technology
Traditional electric fireplace Electronic Control plate only limits to control blower fan and heater, emulation flame, output functions such as driving motor.In case after when on the blowing delivery outlet of electric fireplace or machine shell, having overcover to cover or other uncertain reason, cause that temperature sharply rises in the stove, can't know the user under the situation of timely processing, it is dangerous or other is unexpected to be easy to breaking out of fire.
The utility model content
The purpose of this utility model is to provide a kind of and can in time cuts off heating source when setting the protection temperature and stop heating when reaching; and indicator lamp flicker; buzzer call; send sound and light alarm to the user; with the electric fireplace warmer control circuit of the generation that prevents fire and other contingency, to overcome weak point of the prior art.
A kind of electric fireplace warmer control circuit by this purpose design comprises triode, resistance and electric capacity, and described control circuit also comprises a temperature guarantor switch, and this temperature is protected switch series and is connected in the zero passage detection loop.
In technique scheme; the utility model is protected switch by temperature of serial connection in the zero passage detection loop; when reaching setting protection temperature, can in time cut off heating source and stop heating; and indicator lamp flicker; buzzer call; send sound and light alarm to the user, to prevent the generation of fire and other contingency.
Description of drawings
Fig. 1 is a circuit diagram of the present utility model.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
As shown in Figure 1, this electricity fireplace warmer control circuit comprises a triode, two resistance and an electric capacity, and described control circuit also comprises a temperature guarantor switch, and this temperature is protected switch series and is connected in the zero passage detection loop.In the electric fireplace normal heating course of work, temperature is protected switch and is in on-state at low temperatures.In case when having overcover to cover the air outlet of electric fireplace or other special circumstances, temperature sharply rises in the stove, protect (70 ± 5 ℃ of switch motion temperature if reach temperature, look temperature and protect switch parameter difference, cut-off temperature difference arranged) time, temperature is protected switch motion and is disconnected, and after this transistor base does not enter because of there being zero cross signal, colelctor electrode will be always by on move high level to, single-chip microcomputer will can not get the zero cross fired signal.Single-chip microcomputer sends instruction to the I/O mouth after detecting and not having behind the zero cross fired signal to be judged as the temperature protection by program, cuts off electric fireplace heating control loop; complete machine adds thermal output and disconnects; and buzzer begins to pipe, and 4 light emitting diodes begin flicker on the display board, carry out sound and light alarm.If cooling, then temperature is protected switch and still is in off state, and after half an hour, buzzer stops to pipe, but 4 luminous tubes still glimmer, and machine does not recover operate as normal.If machine temperature drops to normal temperature, temperature is protected switch and is closed automatically, and 4 light emitting diodes light on and off that circulate in order successively after this protection once occurred with prompting, but recover normal now, can directly artificial manually start, reenter open state.
How the present invention only realizes at electric fireplace warmer that electronic acoustooptic is reported to the police with regard to this example and has done detailed description; can not understand restriction to protection scope of the present invention; everyly be result that the circuit that makes new advances improves (protect switch such as serial connection temperature on the 5V circuit, set actuation of an alarm or the like such as increasing the single-chip processor i/o mouth with the temp probe detected temperatures) or adopt some close technical parameters (frequency of flashing such as indication etc. and audible frequency and rhythm and time or the like of time or buzzer) replacement to reach electric fireplace warmer electronic acoustooptic controlling alarm on this basis and all should understand to contain and be the scope of asking for protection of the present invention.
Claims (1)
1, a kind of electric fireplace warmer control circuit comprises triode, resistance and electric capacity, it is characterized in that, described control circuit also comprises a temperature guarantor switch, and this temperature is protected switch series and is connected in the zero passage detection loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201084733U CN201242290Y (en) | 2008-06-11 | 2008-06-11 | Control circuit for electric fireplace heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201084733U CN201242290Y (en) | 2008-06-11 | 2008-06-11 | Control circuit for electric fireplace heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242290Y true CN201242290Y (en) | 2009-05-20 |
Family
ID=40715581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201084733U Expired - Fee Related CN201242290Y (en) | 2008-06-11 | 2008-06-11 | Control circuit for electric fireplace heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201242290Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099139A (en) * | 2015-08-26 | 2015-11-25 | 杜培植 | Power supply circuit for electric fireplace |
| CN106247617A (en) * | 2016-08-30 | 2016-12-21 | 宁波市鄞州红杉树电器制造有限公司 | A kind of warm-air drier of improvement |
-
2008
- 2008-06-11 CN CNU2008201084733U patent/CN201242290Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099139A (en) * | 2015-08-26 | 2015-11-25 | 杜培植 | Power supply circuit for electric fireplace |
| CN105099139B (en) * | 2015-08-26 | 2017-09-29 | 杜培植 | A kind of electric fireplace power circuit |
| CN106247617A (en) * | 2016-08-30 | 2016-12-21 | 宁波市鄞州红杉树电器制造有限公司 | A kind of warm-air drier of improvement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20100611 |