CN201420702Y - Fixed fan temperature adjusting controller - Google Patents
Fixed fan temperature adjusting controller Download PDFInfo
- Publication number
- CN201420702Y CN201420702Y CN2009201490214U CN200920149021U CN201420702Y CN 201420702 Y CN201420702 Y CN 201420702Y CN 2009201490214 U CN2009201490214 U CN 2009201490214U CN 200920149021 U CN200920149021 U CN 200920149021U CN 201420702 Y CN201420702 Y CN 201420702Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- temperature
- natural wind
- control circuit
- outer box
- 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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- Control Of Temperature (AREA)
Abstract
Disclosed is a fixed fan temperature adjusting controller which comprises an outer box and a circuit board fixed inside the outer box. A power source wire hole, an electric fan socket hole, a ventilated temperature sensing hole and an indicating lamp are arranged on the outer box; a power source circuit, a temperature control circuit, a natural wind circuit and an output circuit are disposed on the circuit board; a single-pole double-throw switch is arranged between the temperature control circuit and the natural wind circuit; the temperature control circuit is formed by electrically connecting an integrated chip IC1LM324 with resistors R1, R2, R3, R4, R5, R6, R7 and R10, wherein the R3 is a thermistor, and the R3, the R5 and the R7 are respectively grounded; the natural wind circuit is formed by electrically connecting an integrated chip IC2NE555 with resistors R8, R9, a capacitor C1 and a capacitor C2. When room temperature is higher than a preset high temperature value, an electricfan blows strong wind; when the room temperature is between the preset high temperature value and a preset low temperature value, the electric fan automatically outputs natural wind; when the room temperature is lower than the preset low temperature value, the electric fan automatically stops working. The fixed fan temperature adjusting controller overcomes the shortcomings of energy consumption and high manufacturing cost of air conditioners and has the constant-temperature property of the air conditioners.
Description
Technical field:
The utility model relates to household electric appliance, promptly a kind of fixed fan temperature controller.
Background technique
Present electric fan can not change rotating speed with the variation of room temperature, thus night room temperature reduce, when people are sleeping gradually, the easy blowing fan flu of many people.
Summary of the invention:
In order to overcome the shortcoming that present electric fan can not change rotating speed with the variation of room temperature, the utility model proposes a kind of new design of fixed fan temperature controller.
This fixed fan temperature controller, comprise outer box and the circuit board that is fixed in the box, power line hole, electric fan socket hole, ventilation temperature sensing hole and tutorial light are arranged on the outer box, power circuit, temperature control circuit, natural wind circuit and output circuit are arranged on the circuit board, between temperature control circuit and the natural wind circuit single-pole double-throw switch (SPDT) is arranged, temperature control circuit is by integrated chip IC
1LM324 and resistance R
1, R
2, R
3, R
4, R
5, R
6, R
7, R
10Be electrically connected and form, wherein R
3Be thermistor, R
3, R
5, R
7Difference ground connection, the natural wind circuit is by integrated chip IC
2NE555 and R
8, R
9, capacitor C
1, C
2Be electrically connected and form.
Adopt the transformer step-down to supply with the complete machine power supply in the power circuit.
Output circuit adopts controllable silicon SCR control.
Course of action is as follows:
1, earlier this controller is plugged in, on the socket of this controller, plug fan, the thermistor R in the temperature control circuit
3Automatically detect room temperature, when when the low-temperature values of setting is following, R
2, R
3And R
4, R
5The bridge balance of forming, IC
12 pin of LM324 and 3 pin voltages equate that so temperature control circuit is failure to actuate, electric fan does not rotate; When between low temperature that room temperature is being set and the high temperature, R
2, R
3And R
4, R
5The electric bridge imbalance of forming, IC
12 pin of LM324,3 pin voltages are unequal, so IC
1The 1 pin output of LM324, thus make IC
2NE555 gets electric, IC
2NE555 and R
8, R
9, C
2Form bistable circuit, IC
2The break-make of 7 pin of NE555 makes IC
2The 3 pin switch-on and-off of NE555, make-and-break time is by the numerical value decision of R8, R9, C2, and output voltage cuts in and out, and makes rotation speed of the fan sometimes fast and sometimes slow, fan output natural wind; When room temperature is on the high temperature of setting, the electric bridge imbalance that R2, R3 and R6, R7 form, 12 pin of IClLM324,13 pin voltages are unequal, and the 14 pin output of IClLM324 triggers controllable silicon SCR, and fan is exported at full capacity, has been not natural wind.
2, when between the high and low temperature of room temperature in setting value, the output natural wind is not if need natural wind, the K1 switch can be pulled out to another side, promptly the right side among the figure cuts off natural wind output, fan is exported at full capacity, when room temperature when the low-temperature values of setting is following, fan can stop output equally.For stabilizing circuit, the circuit that 5,6,7 pin of LM324 and R11, RP form is formed voltage follower.
The utility model has the advantages that:
1, the utility model can adopt import intergrated circuit and controllable silicon, stable performance, compact structure.
2, select suitable thermistor, be placed near the ventilation temperature sensing hole, configure high temperature values and low-temperature values after, need not outside the adjusting.
3, when room temperature was higher than the high temperature values of setting, electric fan blew high wind, when room temperature is between high and low setting value, electric fan is exported natural wind automatically (as not needing natural wind, stirring single-pole double-throw switch (SPDT) gets final product), when room temperature was lower than the low-temperature values of setting, it quit work automatically.
Description of drawings:
Fig. 1 is the utility model circuit theory diagrams
Embodiment:
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail as follows:
The left side is a power circuit among Fig. 1, middle upper portion is a temperature control circuit, middle lower portion is the natural wind circuit, the right side is an output circuit, form by integrated chip IClLM324 and resistance, R1, R2, R3, R4, R5, R6, R7, Rlo electrical connection by a single-pole double-throw switch (SPDT) K1 temperature control circuit between temperature control circuit and the natural wind circuit, wherein R3 is a thermistor, R3, R5, R7 be ground connection respectively, R10 links to each other with the output controllable silicon SCR, and the natural wind circuit is electrically connected by integrated chip IC2NE555 and resistance R 8, R9, capacitor C 1, C2 to be formed.Adopt transformer buck diode D1 rectification in the power supply, controllable silicon SCR control is adopted in C3 filtering in the output circuit.
Claims (3)
1, fixed fan temperature controller, comprise outer box and the circuit board that is fixed in the box, power line hole, electric fan socket hole, ventilation temperature sensing hole and tutorial light are arranged on the outer box, power circuit, temperature control circuit, natural wind circuit and output circuit are arranged on the circuit board, between temperature control circuit and the natural wind circuit single-pole double-throw switch (SPDT) is arranged, temperature control circuit is by integrated chip IC
1LM324 and resistance R
1, R
2, R
3, R
4, R
5, R
6, R
7, R
10Be electrically connected and form, wherein R
3Be thermistor, R
3, R
5, R
7Difference ground connection, the natural wind circuit is by integrated chip IC
2NE555 and R
8, R
9, capacitor C
1, C
2Be electrically connected and form.
2, fixed fan temperature controller according to claim 1 is characterized in that, adopts the transformer step-down to supply with the complete machine power supply in the power circuit.
3, fixed fan temperature controller according to claim 1 is characterized in that, output circuit adopts controllable silicon SCR control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201490214U CN201420702Y (en) | 2009-04-07 | 2009-04-07 | Fixed fan temperature adjusting controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201490214U CN201420702Y (en) | 2009-04-07 | 2009-04-07 | Fixed fan temperature adjusting controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201420702Y true CN201420702Y (en) | 2010-03-10 |
Family
ID=41807354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201490214U Expired - Fee Related CN201420702Y (en) | 2009-04-07 | 2009-04-07 | Fixed fan temperature adjusting controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201420702Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219816A (en) * | 2013-05-30 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | Lamp overheating protection circuit and lamp |
-
2009
- 2009-04-07 CN CN2009201490214U patent/CN201420702Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219816A (en) * | 2013-05-30 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | Lamp overheating protection circuit and lamp |
| CN104219816B (en) * | 2013-05-30 | 2017-02-08 | 海洋王（东莞）照明科技有限公司 | lamp overheating protection circuit and lamp |
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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: 20100310 Termination date: 20100407 |