CN202628580U - Drying fan control circuit of intelligent toilet - Google Patents
Drying fan control circuit of intelligent toilet Download PDFInfo
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- CN202628580U CN202628580U CN 201220300016 CN201220300016U CN202628580U CN 202628580 U CN202628580 U CN 202628580U CN 201220300016 CN201220300016 CN 201220300016 CN 201220300016 U CN201220300016 U CN 201220300016U CN 202628580 U CN202628580 U CN 202628580U
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Abstract
The utility model discloses a drying fan control circuit of an intelligent toilet. The drying fan control circuit comprises a microprocessor IC1 (integrated circuit 1), a resistor R1, a triode Q1, a diode D1, a drying fan J1 and a first direct current power supply terminal (1) as well as a first detection circuit, wherein one output end of the microprocessor IC1 is sequentially connected with the resistor R1 and the base electrode of the triode Q1, the drying fan J1 and the diode D1 are connected between the collector electrode of the triode Q1 and the first direct current power supply terminal (1) in parallel, the positive electrode of the diode D1 is connected with the collector electrode of the triode Q1, the emission electrode of the triode Q1 is grounded, and the first detection circuit is used for detecting the blocking or the wind speed reduction of the drying fan J1. The drying fan control circuit disclosed by the utility model can quickly stop drying and heating when the drying fan is blocked or the wind speed of the drying fan is reduced.
Description
Technical field
The utility model relates to a kind of control circuit, specifically is the oven dry draught fan control circuit of intellectual water closet.
Background technique
Generally all be provided with the oven dry blower fan in the intelligent water toilet pan; The oven dry blower fan is made up of blower, heater, control circuit three parts, and after the energising, blower is blown into air in the heater; Make air evenly pass through from spiral helicine electric heating wire medial and lateral; Electric heating wire energising back heat that produces and the cool air that passes through carry out heat exchange, thereby the wind-warm syndrome of exhaust outlet is raise, and reach the effect of heat oven dry.
The control circuit of the oven dry blower fan of existing technology, it comprises microprocessor IC1, resistance R 1, triode Q1, diode D1, oven dry blower fan J1 and first dc power supply terminal, the output terminal of microprocessor IC1 connects the ground level of resistance R 1, triode Q1 successively; Between the collector electrode of triode Q1 and first DC electrical source and be connected to oven dry blower fan J1, diode D1, the positive pole of diode D1 is connected with the collector electrode of triode Q1, the emitting stage ground connection of triode Q1; Microprocessor IC1 output control signal makes triode Q1 conducting; Triode Q1 conducting is started working oven dry blower fan energising, and when because mechanical failure or artificial origin reduce the blower stall of oven dry blower fan or wind speed, this moment, air slowed down with the heat exchange of the heater of oven dry blower fan; But this moment, heater was still in normal heating; This moment, the heat of heater can not in time distribute, and will make the temperature of heater too high, will make the oven dry of oven dry blower fan overheated; Can work the mischief to human body, oven dry blower fan and other parts are caused damage.
The model utility content
The utility model technical problem to be solved is, the oven dry draught fan control circuit that occurs stopping fast when stall or wind speed reduce drying the intellectual water closet of heating when the oven dry blower fan is provided.
For solving the problems of the technologies described above; The oven dry draught fan control circuit of the intellectual water closet that the utility model provides; It comprises microprocessor IC1, resistance R 1, triode Q1, diode D1, oven dry blower fan J1 and first dc power supply terminal, and the output terminal of microprocessor IC1 is connected with the ground level of resistance R 1, triode Q1 successively, between the collector electrode of triode Q1 and first dc power supply terminal and be connected to and dry blower fan J1, diode D1; The first dc power supply terminal input+12V voltage; The positive pole of diode D1 is connected with the collector electrode of triode Q1, the emitting stage ground connection of triode Q1, and it also comprises first testing circuit that is used to detect oven dry blower fan J1 stall or wind speed reduction.
After adopting above structure, the utility model compared with prior art has following advantage:
Whether the blower that first testing circuit is used to detect oven dry blower fan J1 normal rotation; Be lower than normal value or blower fan stall if detect wind speed; First testing circuit sends a signal to microprocessor, and microprocessor control oven dry blower fan stops heating, avoids drying the overheated harm that causes of blower fan oven dry.
As preferably, described first testing circuit comprises resistance R 2, resistance R 3, resistance R 4, resistance R 5, comparator IC2, diode D2, capacitor C 2, capacitor C 3, second dc power supply terminal, and resistance R 2 is serially connected with between the emitter and grounding end of triode Q1; The end that resistance R 2 is connected with triode Q1 is connected with an end of resistance R 3, and the other end of resistance R 3 is connected with the input end of comparator IC2, an end of capacitor C 2 respectively, and the input end of comparator IC2 is used to detect the pressure drop at resistance R 2 two ends; The other end ground connection of capacitor C 2, another input end of comparator IC2 are connected with an end of resistance R 4, an end of resistance R 5 respectively, and the other end of resistance R 4 is connected with an end of second dc power supply terminal, capacitor C 3 respectively; The other end ground connection of capacitor C 3; The other end ground connection of resistance R 5, the power input of comparator IC2 is connected with second dc power supply terminal, the second dc power supply terminal input+5V voltage; Dividing potential drop through R4, R5; Comparator obtains a given voltage, and the output terminal of comparator IC2 is connected with the positive pole of diode D2, and the negative pole of diode D2 is connected with the input end of microprocessor IC1; When the pressure drop that detects resistance R 2 two ends when comparator is higher than given voltage; The comparator outputs level signals makes microprocessor IC1 learn that the oven dry rotation speed of fan is unusual, and microprocessor IC1 control oven dry blower fan stops heating.
As improvement; The oven dry draught fan control circuit of described intellectual water closet also comprises second testing circuit that is used to detect oven dry blower fan J1 broken string; Whether second testing circuit is used to detect the blower of drying blower fan J1 and breaks, if detect oven dry blower fan broken string, second testing circuit sends a signal to microprocessor IC1; Microprocessor IC1 control oven dry blower fan stops heating, avoids drying the overheated harm that causes of blower fan.
As preferably, described second testing circuit comprises triode Q2, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, capacitor C 1, capacitor C 4; One end of resistance R 6 is connected with the emitting stage of triode Q1, and the other end of resistance R 6 is connected with the ground level of triode Q2, an end of capacitor C 1 respectively, the other end ground connection of capacitor C 1; The grounded-emitter connection of triode Q2, the collector electrode of triode Q2 are connected with an end of resistance R 8, an end of resistance R 9 respectively, and the other end of resistance R 8 is connected with second dc power supply terminal; The other end of resistance R 9 is connected with the negative pole of diode D2, and the negative pole of diode D2 is connected with an end of resistance R 10, the positive pole of capacitor C 4 respectively, and the negative pole of the other end of resistance R 10, capacitor C 4 is ground connection respectively; Resistance R 7 is connected between the positive pole of second dc power supply terminal and diode D2, during oven dry blower fan J1 proper functioning, and triode Q1 conducting; Triode Q1 conducting makes triode Q2 conducting simultaneously; The electric current that makes second dc power supply terminal is through resistance R 8, triode Q2 ground connection, and when oven dry blower fan J1 broken string, triode Q1 does not have electric current to flow through; This moment, triode Q2 broke off; The electric current of second dc power supply terminal makes the input end of microprocessor IC1 put height through resistance R 7, diode Q2, makes microprocessor IC1 learn oven dry blower fan J1 broken string, and microprocessor IC1 control oven dry blower fan stops heating.
As further improvement; The oven dry draught fan control circuit of described intellectual water closet also comprises triode Q3, resistance R 11, alarm; Another output terminal of microprocessor IC1 is connected with the ground level of resistance R 11, triode Q3 successively, the grounded-emitter connection of triode Q3, and the collector electrode of triode Q3 is connected with alarm, second dc power supply terminal successively; When microprocessor IC1 detects blower fan stall, wind speed reduction, blower fan broken string; The output terminal of microprocessor IC1 sends control signal and makes triode Q3 conducting, makes the alarm energising, gives the alarm.
Description of drawings
Fig. 1 is the circuit theory diagrams of the oven dry draught fan control circuit of the utility model intellectual water closet.
Wherein, 1, first dc power supply terminal; 2, second dc power supply terminal; 3, alarm.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done explanation in further detail.
Circuit theory diagrams by the oven dry draught fan control circuit of the utility model intellectual water closet shown in Figure 1 can be known; It comprises microprocessor IC1, resistance R 1, triode Q1, diode D1, oven dry blower fan J1 and first dc power supply terminal 1; The output terminal of microprocessor IC1 is connected with the ground level of resistance R 1, triode Q1 successively; Between the collector electrode of triode Q1 and first dc power supply terminal 1 and be connected to oven dry blower fan J1, diode D1; The positive pole of diode D1 is connected with the collector electrode of triode Q1, the emitting stage ground connection of triode Q1, and it also comprises first testing circuit that is used to detect oven dry blower fan J1 stall or wind speed reduction.
Described first testing circuit comprises resistance R 2, resistance R 3, resistance R 4, resistance R 5, comparator IC2, diode D2, capacitor C 2, capacitor C 3, second dc power supply terminal 2, and resistance R 2 is serially connected with between the emitter and grounding end of triode Q1, and the end that resistance R 2 is connected with triode Q1 is connected with an end of resistance R 3; The other end of resistance R 3 is connected with the input end of comparator IC2, an end of capacitor C 2 respectively, and the input end of comparator IC2 is used to detect the pressure drop at resistance R 2 two ends, the other end ground connection of capacitor C 2; Another input end of comparator IC2 is connected with an end of resistance R 4, an end of resistance R 5 respectively; The other end of resistance R 4 is connected the other end ground connection of capacitor C 3, the other end ground connection of resistance R 5 with an end of second dc power supply terminal 2, capacitor C 3 respectively; The power input of comparator IC2 is connected with second dc power supply terminal 2; Second dc power supply terminal, 2 input+5V voltages, through the dividing potential drop of R4, R5, comparator obtains a given voltage; The output terminal of comparator IC2 is connected with the positive pole of diode D2; The negative pole of diode D2 is connected with the input end of microprocessor IC1, when the pressure drop that detects resistance R 2 two ends when comparator is higher than given voltage, and the comparator outputs level signals; Make microprocessor IC1 learn that the oven dry rotation speed of fan is unusual, microprocessor IC1 control oven dry blower fan stops heating.
It also comprises second testing circuit that is used to detect oven dry blower fan J1 broken string.
Described second testing circuit comprises triode Q2, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, capacitor C 1, capacitor C 4, and an end of resistance R 6 is connected with the emitting stage of triode Q1; The other end of resistance R 6 is connected with the ground level of triode Q2, an end of capacitor C 1 respectively, the other end ground connection of capacitor C 1, the grounded-emitter connection of triode Q2; The collector electrode of triode Q2 is connected with an end of resistance R 8, an end of resistance R 9 respectively, and the other end of resistance R 8 is connected with second dc power supply terminal 2, and the other end of resistance R 9 is connected with the negative pole of diode D2; The negative pole of diode D2 is connected with an end of resistance R 10, the positive pole of capacitor C 4 respectively, and the negative pole of the other end of resistance R 10, capacitor C 4 is ground connection respectively, and resistance R 7 is connected between the positive pole of second dc power supply terminal 2 and diode D2; During oven dry blower fan J1 proper functioning; Triode Q1 conducting, triode Q1 conducting make triode Q2 conducting simultaneously, and the electric current that makes second dc power supply terminal 2 is through resistance R 8, triode Q2 ground connection; When oven dry blower fan J1 broken string; Triode Q1 does not have electric current to flow through, and this moment, triode Q2 broke off, and the electric current of second dc power supply terminal 2 makes the input end of microprocessor IC1 put height through resistance R 7, diode Q2; Make microprocessor IC1 learn oven dry blower fan J1 broken string, microprocessor IC1 control oven dry blower fan stops heating.
It also comprises triode Q3, resistance R 11, alarm 3; Another output terminal of microprocessor IC1 is connected with the ground level of resistance R 11, triode Q3 successively; The grounded-emitter connection of triode Q3, the collector electrode of triode Q3 are connected with alarm buzzer 3, second dc power supply terminal 2 successively, and described alarm buzzer 3 is loudspeaker; When microprocessor IC1 detects blower fan stall, wind speed reduction, blower fan broken string; The output terminal of microprocessor IC1 sends control signal and makes triode Q3 conducting, makes the loudspeaker energising, gives the alarm.
Below only use preferable instance with regard to the utility model and made explanation, but can not be interpreted as it is the restriction to claim, the structure of the utility model can have other variations, is not limited to said structure.In a word, the various variations of being done in the protection domain of all independent claims at the utility model are all in the protection domain at the utility model.
Claims (5)
1. the oven dry draught fan control circuit of an intellectual water closet; It comprises microprocessor IC1, resistance R 1, triode Q1, diode D1, oven dry blower fan J1 and first dc power supply terminal (1); The output terminal of microprocessor IC1 is connected with the ground level of resistance R 1, triode Q1 successively; Between the collector electrode of triode Q1 and first dc power supply terminal (1) and be connected to oven dry blower fan J1, diode D1; The positive pole of diode D1 is connected with the collector electrode of triode Q1, and the emitting stage ground connection of triode Q1 is characterized in that: it also comprises first testing circuit that is used to detect oven dry blower fan J1 stall or wind speed reduction.
2. the oven dry draught fan control circuit of intellectual water closet according to claim 1; It is characterized in that: described first testing circuit comprises resistance R 2, resistance R 3, resistance R 4, resistance R 5, comparator IC2, diode D2, capacitor C 2, capacitor C 3, second dc power supply terminal (2); Resistance R 2 is serially connected with between the emitter and grounding end of triode Q1; The end that resistance R 2 is connected with triode Q1 is connected with an end of resistance R 3; The other end of resistance R 3 is connected with the input end of comparator IC2, an end of capacitor C 2 respectively, the other end ground connection of capacitor C 2, and another input end of comparator IC2 is connected with an end of resistance R 4, an end of resistance R 5 respectively; The other end of resistance R 4 is connected with an end of second dc power supply terminal (2), capacitor C 3 respectively; The other end ground connection of capacitor C 3, the other end ground connection of resistance R 5, the power input of comparator IC2 is connected with second dc power supply terminal (2); The output terminal of comparator IC2 is connected with the positive pole of diode D2, and the negative pole of diode D2 is connected with the input end of microprocessor IC1.
3. the oven dry draught fan control circuit of intellectual water closet according to claim 1 and 2 is characterized in that: it also comprises second testing circuit that is used to detect oven dry blower fan J1 broken string.
4. the oven dry draught fan control circuit of intellectual water closet according to claim 3; It is characterized in that: described second testing circuit comprises triode Q2, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, capacitor C 1; Capacitor C 4, an end of resistance R 6 is connected with the emitting stage of triode Q1, and the other end of resistance R 6 is connected with the ground level of triode Q2, an end of capacitor C 1 respectively; The other end ground connection of capacitor C 1; The grounded-emitter connection of triode Q2, the collector electrode of triode Q2 are connected with an end of resistance R 8, an end of resistance R 9 respectively, and the other end of resistance R 8 is connected with second dc power supply terminal (2); The other end of resistance R 9 is connected with the negative pole of diode D2; The negative pole of diode D2 is connected with an end of resistance R 10, the positive pole of capacitor C 4 respectively, and the negative pole of the other end of resistance R 10, capacitor C 4 is ground connection respectively, and resistance R 7 is connected between the positive pole of second dc power supply terminal (2) and diode D2.
5. according to the oven dry draught fan control circuit of claim 2 or 4 described intellectual water closets; It is characterized in that: it also comprises triode Q3, resistance R 11, alarm (3); Another output terminal of microprocessor IC1 is connected with the ground level of resistance R 11, triode Q3 successively; The grounded-emitter connection of triode Q3, the collector electrode of triode Q3 are connected with alarm buzzer (3), second dc power supply terminal (2) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300016 CN202628580U (en) | 2012-06-26 | 2012-06-26 | Drying fan control circuit of intelligent toilet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300016 CN202628580U (en) | 2012-06-26 | 2012-06-26 | Drying fan control circuit of intelligent toilet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628580U true CN202628580U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220300016 Expired - Fee Related CN202628580U (en) | 2012-06-26 | 2012-06-26 | Drying fan control circuit of intelligent toilet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628580U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141000A (en) * | 2018-11-06 | 2020-05-12 | 奥克斯空调股份有限公司 | Mobile air conditioner air outlet abnormity prompting method and mobile air conditioner |
| CN114060298A (en) * | 2020-08-04 | 2022-02-18 | 广东美的环境电器制造有限公司 | Control circuit and method of electric fan |
| CN114382716A (en) * | 2020-10-22 | 2022-04-22 | 广东美的环境电器制造有限公司 | Control circuit, control method, control device, equipment and medium of electric fan |
-
2012
- 2012-06-26 CN CN 201220300016 patent/CN202628580U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141000A (en) * | 2018-11-06 | 2020-05-12 | 奥克斯空调股份有限公司 | Mobile air conditioner air outlet abnormity prompting method and mobile air conditioner |
| CN111141000B (en) * | 2018-11-06 | 2021-05-18 | 奥克斯空调股份有限公司 | Mobile air conditioner air outlet abnormity prompting method and mobile air conditioner |
| CN114060298A (en) * | 2020-08-04 | 2022-02-18 | 广东美的环境电器制造有限公司 | Control circuit and method of electric fan |
| CN114060298B (en) * | 2020-08-04 | 2023-11-17 | 广东美的环境电器制造有限公司 | Control circuit and method of electric fan |
| CN114382716A (en) * | 2020-10-22 | 2022-04-22 | 广东美的环境电器制造有限公司 | Control circuit, control method, control device, equipment and medium of electric fan |
| CN114382716B (en) * | 2020-10-22 | 2023-11-21 | 广东美的环境电器制造有限公司 | Control circuit, control method, device, equipment and medium of electric fan |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20150626 |
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| EXPY | Termination of patent right or utility model |