CN204535128U - A kind of fan heater control circuit - Google Patents
A kind of fan heater control circuit Download PDFInfo
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- CN204535128U CN204535128U CN201520184332.XU CN201520184332U CN204535128U CN 204535128 U CN204535128 U CN 204535128U CN 201520184332 U CN201520184332 U CN 201520184332U CN 204535128 U CN204535128 U CN 204535128U
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Abstract
The utility model discloses a kind of fan heater control circuit, comprise relay K, NAND gate IC1, triode VT1, potentiometer RP1, resistance R1 and diode V1.The fan heater control circuit that the utility model uses NAND gate to form, there is the advantage of the simple and reliable operation of structure, can meet the requirement of warm-air drier to timing accuracy completely, have timing and the added-time start, delay switching-off multi-functional, the utility model does not need to use large scale integrated circuit, thus reduce costs, its product can be undersold.
Description
Technical field
The utility model relates to a kind of control circuit, specifically a kind of fan heater control circuit.
Background technology
In recent years, warm-air drier was more and more common in daily life, many times instead of air-conditioning and warmer, but existing a lot of warm-air drier does not support timing function, Intelligent adjustment gear, and the warm-air drier of this low intelligence uses very inconvenient.A lot of warm-air drier with timing function only has the timing of connection time lagged type or the timing of off delay type in addition, function singleness, the instructions for use needing again delay switching-off after needing timing start-up can not be met, and adopt the structure of programmable Timer warm-air drier by CPU (CPU) as process and control axis, circuit structure is complicated and cost is high, and its product price is higher.
Utility model content
The purpose of this utility model is the fan heater control circuit providing a kind of convenient intelligence, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of fan heater control circuit, comprise relay K, NAND gate IC1, triode VT1, potentiometer RP1, resistance R1 and diode V1, described resistance R1 one end connects relay K contact K-1 and 220V alternating current one end respectively, the relay K contact K-1 other end connects warm-air drier, the warm-air drier other end connects the 220V alternating current other end respectively, diode V2 positive pole, electric capacity C3 and diode V4 positive pole, the described resistance R1 other end connects electric capacity C2, the electric capacity C2 other end connects diode V2 negative pole and diode V3 positive pole respectively, diode V3 negative pole connects the electric capacity C3 other end respectively, diode V4 negative pole, diode V7 negative pole, relay K coil, resistance R4, NAND gate IC1 input 1, potentiometer RP1 and potentiometer RP1 slide plate, the potentiometer RP1 other end connects ground capacity C1 respectively, diode V1 positive pole, NAND gate IC1 input 2 and NAND gate IC2 input 1, NAND gate IC1 output is by resistance R3 connecting triode VT1 base stage, triode VT1 grounded emitter, triode VT1 colelctor electrode is the contact resistance R4 other end respectively, potentiometer RP3 and potentiometer RP3 slide plate, the potentiometer RP3 other end is contact resistance R6 respectively, electric capacity C4 and diode V5 positive pole, diode V5 negative pole is contact resistance R5 respectively, diode V1 negative pole and diode V9 negative pole, the resistance R5 other end connects key switch SB, the key switch SB other end connects the electric capacity C4 other end and ground connection, the described resistance R6 other end connects NAND gate IC2 input 2, NAND gate IC2 output connects NAND gate IC3 input 1 and NAND gate IC3 input 2 respectively, NAND gate IC3 output is contact resistance R2 respectively, potentiometer RP2 and potentiometer RP2 slide plate, the potentiometer RP2 other end connects ground capacity C5 respectively, diode V9 positive pole and NAND gate IC4 input 1 and NAND gate IC4 input 2, NAND gate IC4 output connects diode V6 negative pole, diode V6 positive pole is the contact resistance R2 other end and light emitting diode V8 positive pole respectively, light emitting diode V8 negative pole connecting triode VT2 base stage, triode VT2 grounded emitter, triode VT2 colelctor electrode connects diode C7 positive pole and the relay K coil other end respectively.
Compared with prior art, the beneficial effects of the utility model are: the fan heater control circuit that the utility model uses NAND gate to form, there is the advantage of the simple and reliable operation of structure, can meet the requirement of warm-air drier to timing accuracy completely, have timing and the added-time start, delay switching-off multi-functional, the utility model does not need to use large scale integrated circuit, and thus reduce costs, its product can be undersold.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of fan heater control circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of fan heater control circuit, comprise relay K, NAND gate IC1, triode VT1, potentiometer RP1, resistance R1 and diode V1, resistance R1 one end connects relay K contact K-1 and 220V alternating current one end respectively, the relay K contact K-1 other end connects warm-air drier, the warm-air drier other end connects the 220V alternating current other end respectively, diode V2 positive pole, electric capacity C3 and diode V4 positive pole, the resistance R1 other end connects electric capacity C2, the electric capacity C2 other end connects diode V2 negative pole and diode V3 positive pole respectively, diode V3 negative pole connects the electric capacity C3 other end respectively, diode V4 negative pole, diode V7 negative pole, relay K coil, resistance R4, NAND gate IC1 input 1, potentiometer RP1 and potentiometer RP1 slide plate, the potentiometer RP1 other end connects ground capacity C1 respectively, diode V1 positive pole, NAND gate IC1 input 2 and NAND gate IC2 input 1, NAND gate IC1 output is by resistance R3 connecting triode VT1 base stage, triode VT1 grounded emitter, triode VT1 colelctor electrode is the contact resistance R4 other end respectively, potentiometer RP3 and potentiometer RP3 slide plate, the potentiometer RP3 other end is contact resistance R6 respectively, electric capacity C4 and diode V5 positive pole, diode V5 negative pole is contact resistance R5 respectively, diode V1 negative pole and diode V9 negative pole, the resistance R5 other end connects key switch SB, the key switch SB other end connects the electric capacity C4 other end and ground connection, the resistance R6 other end connects NAND gate IC2 input 2, NAND gate IC2 output connects NAND gate IC3 input 1 and NAND gate IC3 input 2 respectively, NAND gate IC3 output is contact resistance R2 respectively, potentiometer RP2 and potentiometer RP2 slide plate, the potentiometer RP2 other end connects ground capacity C5 respectively, diode V9 positive pole and NAND gate IC4 input 1 and NAND gate IC4 input 2, NAND gate IC4 output connects diode V6 negative pole, diode V6 positive pole is the contact resistance R2 other end and light emitting diode V8 positive pole respectively, light emitting diode V8 negative pole connecting triode VT2 base stage, triode VT2 grounded emitter, triode VT2 colelctor electrode connects diode C7 positive pole and the relay K coil other end respectively.
Operation principle of the present utility model is: before use, first click the button starting key switch SB, reset, the time of regulator potentiometer RP1 and adjustable timing start-up, time as inadequate in the timing on potentiometer RP1, again added-time potentiometer RP3 is switched to the gear that need increase the integral point time, it is selective that added-time locator RP2 has five grades of times integral point added-time, then time delay locator RP2 being switched to needs on the time gear of delay switching-off, regulator potentiometer RP2 and adjustable delay switching-off time, when circuit is started working, timing capacitor C1 in circuit just starts to accept charging, when the time that potentiometer RP1 sets arrives, the charging of timing capacitor C1 reaches 2/3, the input 1 making the input 2 of NAND gate IC1 and NAND gate IC2 is high level, triode VT1 is ended, the colelctor electrode of triode VT1 is high level, when the added-time, locator RP3 switched in zero-span, the high level of triode VT1 colelctor electrode is input to the input 2 of NAND gate IC2, when two inputs of NAND gate IC2 are all high level, the output of NAND gate IC2 and two of NAND gate IC3 inputs are low level, the output of NAND gate IC3 is reversed to high level, the base stage of high level by driving resistance R2 and light emitting diode V8 to be input to triode VT2 of NAND gate IC3 output, while lighting light emitting diode V8, make triode VT2 conducting, relay K coil electricity, the contact K-1 adhesive of relay, the alternating current of 220V is powered to warm-air drier, achieve timing start-up, the high level of NAND gate IC3 output is charged to delay capacitor C5 by time delay resistance simultaneously, the delay switching-off time to be set then, the charging of delay capacitor C5 reaches 2/3 working power voltage, the input of NAND gate IC4 is made to be high level, the output of NAND gate IC4 is reversed to low level, make diode V6 clamper in the low level of NAND gate IC4 output, triode VT2 ends and light emitting diode V8 extinguishes, relay K coil losing electricity, relay K contact K-1 disconnects, warm-air drier power-off, achieves delay switching-off.
Claims (1)
1. a fan heater control circuit, comprise relay K, NAND gate IC1, triode VT1, potentiometer RP1, resistance R1 and diode V1, it is characterized in that, described resistance R1 one end connects relay K contact K-1 and 220V alternating current one end respectively, the relay K contact K-1 other end connects warm-air drier, the warm-air drier other end connects the 220V alternating current other end respectively, diode V2 positive pole, electric capacity C3 and diode V4 positive pole, the described resistance R1 other end connects electric capacity C2, the electric capacity C2 other end connects diode V2 negative pole and diode V3 positive pole respectively, diode V3 negative pole connects the electric capacity C3 other end respectively, diode V4 negative pole, diode V7 negative pole, relay K coil, resistance R4, NAND gate IC1 input 1, potentiometer RP1 and potentiometer RP1 slide plate, the potentiometer RP1 other end connects ground capacity C1 respectively, diode V1 positive pole, NAND gate IC1 input 2 and NAND gate IC2 input 1, NAND gate IC1 output is by resistance R3 connecting triode VT1 base stage, triode VT1 grounded emitter, triode VT1 colelctor electrode is the contact resistance R4 other end respectively, potentiometer RP3 and potentiometer RP3 slide plate, the potentiometer RP3 other end is contact resistance R6 respectively, electric capacity C4 and diode V5 positive pole, diode V5 negative pole is contact resistance R5 respectively, diode V1 negative pole and diode V9 negative pole, the resistance R5 other end connects key switch SB, the key switch SB other end connects the electric capacity C4 other end and ground connection, the described resistance R6 other end connects NAND gate IC2 input 2, NAND gate IC2 output connects NAND gate IC3 input 1 and NAND gate IC3 input 2 respectively, NAND gate IC3 output is contact resistance R2 respectively, potentiometer RP2 and potentiometer RP2 slide plate, the potentiometer RP2 other end connects ground capacity C5 respectively, diode V9 positive pole and NAND gate IC4 input 1 and NAND gate IC4 input 2, NAND gate IC4 output connects diode V6 negative pole, diode V6 positive pole is the contact resistance R2 other end and light emitting diode V8 positive pole respectively, light emitting diode V8 negative pole connecting triode VT2 base stage, triode VT2 grounded emitter, triode VT2 colelctor electrode connects diode C7 positive pole and the relay K coil other end respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184332.XU CN204535128U (en) | 2015-03-30 | 2015-03-30 | A kind of fan heater control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184332.XU CN204535128U (en) | 2015-03-30 | 2015-03-30 | A kind of fan heater control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204535128U true CN204535128U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520184332.XU Active CN204535128U (en) | 2015-03-30 | 2015-03-30 | A kind of fan heater control circuit |
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| CN (1) | CN204535128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828461A (en) * | 2016-05-16 | 2016-08-03 | 苏州经贸职业技术学院 | Shutdown-delay and cooling control circuit for electric heating equipment and cooling protection method |
-
2015
- 2015-03-30 CN CN201520184332.XU patent/CN204535128U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828461A (en) * | 2016-05-16 | 2016-08-03 | 苏州经贸职业技术学院 | Shutdown-delay and cooling control circuit for electric heating equipment and cooling protection method |
| CN105828461B (en) * | 2016-05-16 | 2022-04-26 | 苏州经贸职业技术学院 | Shutdown delay cooling control circuit and cooling protection method for electric heating equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Ming Inventor before: Huang Hai Inventor before: Ye Jienan |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160812 Address after: 528000 Guangdong Province, Foshan city Shunde District Leliu Fuan Industrial Road No. 11 Patentee after: Foshan city Shunde District Kaixiang Electrical Appliance Co. Ltd. Address before: Ruan Shi Zhen Ruan Shi Cun Nan bin Lu 311826 Zhejiang city of Shaoxing province Zhuji City, No. 66 Patentee before: Huang Hai |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Warm air blower control circuit Effective date of registration: 20171016 Granted publication date: 20150805 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd Pledgor: Foshan city Shunde District Kaixiang Electrical Appliance Co. Ltd. Registration number: 2017440000099 |