CN203535406U - Mechanical timer drive circuit - Google Patents
Mechanical timer drive circuit Download PDFInfo
- Publication number
- CN203535406U CN203535406U CN201320730131.6U CN201320730131U CN203535406U CN 203535406 U CN203535406 U CN 203535406U CN 201320730131 U CN201320730131 U CN 201320730131U CN 203535406 U CN203535406 U CN 203535406U
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- live wire
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- motor
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- 239000003990 capacitor Substances 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses a mechanical timer drive circuit, comprising a motor providing power for a mechanical structure. Power is supplied to the motor by an external power supply, a line between a live wire input terminal of the external power supply and the motor is provided with a capacitor C1 and a resistor R1 in parallel, a line between the live wire input terminal and a live wire output terminal is provided with a switch K1. The mechanical timer drive circuit is advantageous in that, by the resistor and the capacitor in parallel, standby power consumption is reduced, and influence caused by resistor heating is reduced. Also, the standby power consumption reaches a European prescribed standby standard, and energy consumption is greatly saved.
Description
Technical field
The utility model relates to a kind of circuit arrangement, is specifically related to a kind of driving circuit of timer motor of mechanical control circuit break-make.
Background technology
On a lot of household electrical appliance, there is timer, as electric cooker, washing machine, electric fan etc., this type of timer comprises mechanical type and electronic type, mechanical type is wherein by interlock, to realize regularly effect by mechanical part, and the power of mechanical part is provided by motor, although this type of power of motor is very little, power consumption during general standby is also in 1-2W left and right, and this stand-by power consumption that does not meet present national regulation can not surpass the standard of 1W.In addition stand-by power consumption is excessive, and timer is easily because resistance heating produces fire.
Utility model content
For solving the large problem of mechanical timer stand-by power consumption in prior art, the utility model provides a kind of mechanical timer circuit of low-power consumption, concrete scheme is as follows: a kind of mechanical timer driving circuit, being included as physical construction rotation provides the motor of power, described motor is by external power source, it is characterized in that, on the live wire input end of described external power source and the circuit between motor, be parallel with capacitor C 1 and resistance R 1, on the circuit between described live wire input end and live wire output terminal, be provided with K switch 1.
For further reducing power consumption: described capacitor C 1 is 0.06～0.1uF, and described resistance R 2 is 1M Ω, and described motor is 24V-AC motor.
Temperature for convenience of monitoring resistor: be provided with temperature control circuit on the resistance R 1 of described motor and parallel connection and the live wire between C1, described temperature control circuit comprises, control IC with 8 pins, the pin 1 of wherein controlling IC is connected with the zero line of external power source, pin 4, pin 8 is connected with live wire, be in series with temperature-sensing probe Rt and potentiometer RP controlling between the pin 2 of IC and pin 4, wherein the other end of temperature-sensing probe Rt is connected with zero line by resistance R 4 after being connected with pin 2, pin 5 and pin 7 are connected between the resistance R 2 and capacitor C 3 being connected between live wire and zero line, pin 3 is by the resistance R 3 of connecting successively, bidirectional thyristor VT, encryption equipment RL is connected to live wire input end, be parallel with capacitor C 2 and the voltage stabilizing diode D2 being connected with zero line with live wire respectively controlling between IC and resistance R 1 in parallel and capacitor C 1, output terminal in capacitor C in parallel 1 and resistance R 1 is in series with diode D1.
Power consumption when the utility model reduces standby by resistance in parallel and electric capacity, reduces the impact causing after resistance heating.The power consumption of standby simultaneously reaches European regulation standby standard, has saved greatly energy consumption.By temperature control circuit can monitoring resistor the state of heating, guarantee the safe handling of timer.
Accompanying drawing explanation
Fig. 1 stand-by circuit figure of the present utility model;
Fig. 2 temperature control circuit figure of the present utility model;
Attached number in the figure explanation: 1-motor, 2-live wire input end, 3-zero line, 4-K switch, 5-live wire output terminal.
Embodiment
As shown in Figure 1, mechanical timer driving circuit of the present utility model, being included as physical construction rotation provides the motor 1 of power, described motor 1 is by external power source, on the live wire input end 2 of described external power source and the circuit between motor 1, be parallel with capacitor C 1 and resistance R 1, on the circuit between described live wire input end 2 and live wire output terminal 5, be provided with K switch 4.The utility model utilizes resistance R in parallel 1 and capacitor C 1 to replace only using large resistance as the mode of step-down in prior art, reduced stand-by power consumption, reduced the phenomenon of resistance heating simultaneously, when having larger electric current, can be stored and filter by capacitor C 1, K switch 4 be for controlling the break-make of live wire output terminal 5 electric currents.For further reducing stand-by power consumption, described capacitor C 1 of the present utility model is 0.06～0.1uF, and described resistance R 2 is 1M Ω, and described motor is 24V-AC motor.This programme adopts the ampere electric capacity of a 0.06UF, and the resistance of a 1M/0.25W in parallel, forms reduction voltage circuit, and capacitor C 1 and resistance R 1 heating itself is very little, in use procedure without any potential safety hazard.Oneself power consumption is only 0.4W, and every relative prior art of product generally can be saved energy consumption 0.8W, reaches the maximum stand-by power consumption requirement that Europe is less than 0.5W.
As shown in Figure 2, too high for preventing resistance temperature, on the resistance R 1 of motor described in the utility model and parallel connection and the live wire between C1, be provided with temperature control circuit, described temperature control circuit comprises, control IC with 8 pins, wherein control the pin 1 of IC and the zero line 3 of external power source is connected, pin 4, pin 8 is connected with live wire, be in series with temperature-sensing probe Rt and potentiometer RP controlling between the pin 2 of IC and pin 4, wherein the other end of temperature-sensing probe Rt is connected with zero line 3 by resistance R 4 after being connected with pin 2, pin 5 and pin 7 are connected between the resistance R 2 and capacitor C 3 being connected between live wire and zero line 3, pin 3 is by the resistance R 3 of connecting successively, bidirectional thyristor VT, encryption equipment RL is connected to live wire input end, be parallel with capacitor C 2 and the voltage stabilizing diode D2 being connected with zero line with live wire respectively controlling between IC and resistance R 1 in parallel and capacitor C 1, output terminal in capacitor C in parallel 1 and resistance R 1 is in series with diode D1.
This programme is when environment temperature is lower, temperature-sensing probe Rt resistance is large (negative temperature coefficient), control the 2 pin voltages of IC lower than 1/3 of 12V D.C. regulated power supply voltage, control the 3 pin output high level of IC, trigger bidirectional thyristor VT conducting, make electric heater RL connect 220V alternating current and heat, and start timing circulation.When temperature-sensing probe Rt is placed in temperature timing circulation does not also complete higher than setting value, at timing cycle, finishing post-heater RL will be cut off.When thermistor Rt temperature is reduced to setting value when following, can again trigger bidirectional thyristor VT conducting, connect electric heater RL and heat, reach the object that temperature is controlled automatically.
The above is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model with preferred embodiment openly as above, yet not in order to limit the utility model, any technician who is familiar with this patent is not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned prompting to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of the utility model scheme.
Claims (3)
1. a mechanical timer driving circuit, being included as physical construction rotation provides the motor (1) of power, described motor (1) is by external power source, it is characterized in that, on the live wire input end (2) of described external power source and the circuit between motor (1), be parallel with capacitor C 1 and resistance R 1, on the circuit between described live wire input end (2) and live wire output terminal (5), be provided with K switch (4).
2. a kind of mechanical timer driving circuit as claimed in claim 1, is characterized in that, described capacitor C 1 is 0.06～0.1uF, and described resistance R 2 is 1M Ω, and described motor is 24V-AC motor.
3. a kind of mechanical timer driving circuit as claimed in claim 1, it is characterized in that, on the resistance R 1 of described motor (1) and parallel connection and the live wire between C1, be provided with temperature control circuit, described temperature control circuit comprises, control IC with 8 pins, wherein control the pin 1 of IC and the zero line (3) of external power source is connected, pin 4, pin 8 is connected with live wire, be in series with temperature-sensing probe Rt and potentiometer RP controlling between the pin 2 of IC and pin 4, wherein the other end of temperature-sensing probe Rt is connected with zero line (3) by resistance R 4 after being connected with pin 2, pin 5 and pin 7 are connected between the resistance R 2 and capacitor C 3 being connected between live wire and zero line (3), pin 3 is by the resistance R 3 of connecting successively, bidirectional thyristor VT, encryption equipment RL is connected to live wire input end, be parallel with capacitor C 2 and the voltage stabilizing diode D2 being connected with zero line (3) with live wire respectively controlling between IC and resistance R 1 in parallel and capacitor C 1, output terminal in capacitor C in parallel 1 and resistance R 1 is in series with diode D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730131.6U CN203535406U (en) | 2013-11-15 | 2013-11-15 | Mechanical timer drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730131.6U CN203535406U (en) | 2013-11-15 | 2013-11-15 | Mechanical timer drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535406U true CN203535406U (en) | 2014-04-09 |
Family
ID=50421597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320730131.6U Expired - Lifetime CN203535406U (en) | 2013-11-15 | 2013-11-15 | Mechanical timer drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203535406U (en) |
-
2013
- 2013-11-15 CN CN201320730131.6U patent/CN203535406U/en not_active Expired - Lifetime
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |