Degradation closestool controller

Abstract

The utility model discloses a degradable closestool controller, which belongs to the technical field of bathroom accessories and comprises an MCU (Microprogrammed Control Unit), a temperature detection module and an output module, the input end of the temperature detection module is electrically connected with a temperature sensor, the output end of the temperature detection module is electrically connected with the temperature feedback end of the MCU, and the temperature sensor is arranged in a discharge room of the degradable closestool; the output module is provided with a plurality of output ends, the output module is electrically connected with the stirring motor, the heater and the exhaust fan through the output ends, the input end of the output module is electrically connected with the control signal output end of the MCU, and the stirring motor and the heater are arranged in a discharge chamber of the degradation closestool. And the exhaust fan is arranged on the rear side wall of the discharge chamber. The degradable closestool controller solves the problem that excrement and fermentation materials of an existing degradable closestool are easy to coagulate in a cold weather environment.

Description

Technical Field

[0001] The utility model relates to the technical field of sanitary wares, in particular to a degradation toilet controller. Background Art

[0002] In the existing degradation toilet, the fermentation materials placed therein cooperate with a blender to decompose the excrement in the toilet, forming gases such as carbon dioxide and methane, and then discharging them by means of an exhaust device, without the need for flushing and sewage discharge and connection to a specific sewage pipe, reducing the waste of water resources.

[0003] However, for the current microbial degradation toilets on the market, in cold weather, the excrement and fermentation materials are prone to condensation, causing the blender to jam, resulting in the failure of the excrement decomposition function of the toilet. In the long run, the excrement will accumulate and cause a foul smell. Summary of the Utility Model

[0004] In order to overcome the defects existing in the prior art, the utility model provides a degradation toilet controller to solve the above problems.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a degradation toilet controller, including an MCU, a temperature detection module and an output module;

[0006] The input end of the temperature detection module is electrically connected to a temperature sensor, the output end of the temperature detection module is electrically connected to the temperature feedback end of the MCU, and the temperature sensor is arranged in the excretion chamber of the degradation toilet;

[0007] The output module is provided with a plurality of output ends, the output module is respectively electrically connected to a stirring motor, a heater and an exhaust fan through the output ends, the input end of the output module is electrically connected to the control signal output end of the MCU, wherein the stirring motor and the heater are arranged in the excretion chamber of the degradation toilet, and the exhaust fan is arranged on the rear side wall of the excretion chamber.

[0008] Preferably, it further includes at least two human body infrared detection modules. The input end of the human body infrared detection module is electrically connected to an infrared sensor. The output end of the human body infrared detection module is electrically connected to the infrared acquisition end of the MCU. One of the infrared sensors is arranged on the front side wall of the excretion chamber of the degradation toilet to detect the approach of a user to the degradation toilet, and the other infrared sensor is arranged on the front side wall of the backrest of the degradation toilet to detect whether the toilet lid of the degradation toilet is flipped in place.

[0009] Optionally, it further includes a humidity detection module and a dehumidification module. The input end of the humidity detection module is electrically connected to a humidity detection sensor. The humidity detection sensor is disposed on the outer wall of the excretion chamber and its detection end faces the ground. The output end of the humidity detection module is electrically connected to the humidity acquisition end of the MCU. The input end of the dehumidification module is electrically connected to the dehumidification output end of the MCU. The output end of the dehumidification module is electrically connected to a heating plate. The heating plate is disposed on the bottom surface and surrounds the degradation toilet.

[0010] Specifically, the output module includes a composite transistor array IC2, a stirring motor forward rotation sub-circuit, a stirring motor reverse rotation sub-circuit, an exhaust fan drive sub-circuit, and a heater drive sub-circuit. The stirring motor forward rotation sub-circuit, the stirring motor reverse rotation sub-circuit, the exhaust fan drive sub-circuit, and the heater drive sub-circuit all correspond to an output end of the composite transistor array IC2. The input ends corresponding to the output ends of the composite transistor array IC2 all correspond to a control signal output end of the MCU.

[0011] The stirring motor forward rotation sub-circuit includes an optocoupler IC22 and a thyristor IC32. The control end of the thyristor IC32 is electrically connected to the corresponding output end of the composite transistor array IC2 through the optocoupler IC22. The first end of the thyristor IC32 is electrically connected to the positive pole of the stirring motor. The second end of the thyristor IC32 is electrically connected to the power supply.

[0012] The stirring motor reverse rotation sub-circuit includes an optocoupler IC21 and a thyristor IC31. The control end of the thyristor IC31 is electrically connected to the corresponding output end of the composite transistor array IC2 through the optocoupler IC21. The first end of the thyristor IC31 is electrically connected to the negative pole of the stirring motor. The second end of the thyristor IC31 is electrically connected to the power supply.

[0013] The exhaust fan drive sub-circuit includes a relay KJ3. The first end of the iron core of the relay KJ3 is electrically connected to the power supply. The second end of the iron core of the relay KJ3 is electrically connected to the corresponding output end of the composite transistor array IC2. The positive pole of the exhaust fan is electrically connected to the power supply through the normally open contact of the relay KJ3. The negative pole of the exhaust fan is grounded.

[0014] The heater drive sub-circuit includes a relay KJ4. The first end of the iron core of the relay KJ4 is electrically connected to the power supply. The second end of the iron core of the relay KJ4 is electrically connected to the corresponding output end of the composite transistor array IC2. The positive pole of the heater is electrically connected to the power supply through the normally open contact of the relay KJ3. The negative pole of the heater is grounded.

[0015] It should be noted that it also includes a toilet cover drive module, and the toilet cover drive module includes an opening drive sub-circuit and a closing drive sub-circuit;

[0016] The opening drive sub-circuit includes a linear optocoupler IC13, a P-channel MOSFET Q11, and an N-channel MOSFET Q21; the G poles of the P-channel MOSFET Q11 and the N-channel MOSFET Q21 are connected in parallel and then electrically connected to the opening output terminal of the MCU through the linear optocoupler IC13; the S pole of the P-channel MOSFET Q11 is electrically connected to the power supply, the S pole of the N-channel MOSFET Q21 is grounded, and the D poles of the P-channel MOSFET Q11 and the N-channel MOSFET Q21 are connected in parallel and then electrically connected to the positive pole of the drive motor of the toilet cover;

[0017] The closing drive sub-circuit includes a linear optocoupler IC14, a P-channel MOSFET Q12, and an N-channel MOSFET Q22; the G poles of the P-channel MOSFET Q12 and the N-channel MOSFET Q22 are connected in parallel and then electrically connected to the opening output terminal of the MCU through the linear optocoupler IC14; the S pole of the P-channel MOSFET Q12 is electrically connected to the power supply, the S pole of the N-channel MOSFET Q22 is grounded, and the D poles of the P-channel MOSFET Q12 and the N-channel MOSFET Q22 are connected in parallel and then electrically connected to the negative pole of the drive motor of the toilet cover.

[0018] Preferably, it also includes a motor overcurrent monitoring circuit. The motor overcurrent monitoring circuit includes a non-inverting comparator IC3A. The S poles of the N-channel MOSFET Q21 and the N-channel MOSFET Q22 are connected in parallel and then electrically connected to the non-inverting input terminal of the non-inverting comparator IC3A. The inverting input terminal of the non-inverting comparator IC3A is grounded, and the output terminal of the non-inverting comparator IC3A is electrically connected to the motor overcurrent feedback terminal of the MCU.

[0019] The beneficial effect of the present invention is that in the degradation toilet controller, a temperature sensor is arranged in the excretion chamber of the degradation toilet to obtain the temperature in the excretion chamber. When the temperature in the excretion chamber is too low, the heater is started to heat the excretion chamber, so as to avoid the excrement and fermentation materials in the excretion chamber from condensing due to too low temperature. In this way, the stirring motor can operate normally, realizing the function of decomposing excrement, and thus avoiding the accumulation of excrement and the occurrence of bad smell. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a system block diagram of the degradation toilet controller in an embodiment of the present invention;

[0021] Figure 2Circuit diagram of the MCU in an embodiment of the present utility model;

[0022] Figure 3 Circuit diagram of the temperature detection module in an embodiment of the present utility model;

[0023] Figure 4 Circuit diagram of the output module in an embodiment of the present utility model;

[0024] Figure 5 Circuit diagram of the human body infrared detection module in an embodiment of the present utility model;

[0025] Figure 6 Circuit diagram of the humidity detection module and the dehumidification module in an embodiment of the present utility model;

[0026] Figure 7 Circuit diagram of the toilet cover drive module in an embodiment of the present utility model;

[0027] Figure 8 Circuit diagram of the motor overcurrent monitoring circuit in an embodiment of the present utility model;

[0028] Figure 9 Circuit diagram of the power supply in an embodiment of the present utility model;

[0029] Figure 10 Circuit diagram of the Internet of Things module in an embodiment of the present utility model;

[0030] Figure 11 Structural schematic diagram of a degradable toilet in an embodiment of the present utility model;

[0031] In the figure: 3 backrest; 4 temperature sensor; 5 heating plate; 6 excretion chamber; 7 toilet cover. Detailed implementation manners

[0032] The following further describes the detailed implementation manners of the present utility model with reference to the accompanying drawings. It should be noted here that the description of these implementation manners is for helping to understand the present utility model, but does not constitute a limitation to the present utility model. In addition, the technical features involved in the various implementation manners of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0033] As Figures 1-11 shown, a degradable toilet controller includes an MCU, a temperature detection module and an output module;

[0034] As Figure 3As shown, the input end of the temperature detection module is electrically connected to a temperature sensor 4, and the output end of the temperature detection module is electrically connected to the temperature feedback end of the MCU. The temperature sensor 4 is arranged in the excretion chamber 6 of the degradation toilet. In this embodiment, there are two temperature detection modules, and their output ends are respectively electrically connected to the temperature feedback end 1 of the MCU and the temperature feedback end 2 of the MCU, achieving the purpose of independently feeding back information to the MCU. Among them, the temperature feedback end 1 is used to receive ambient temperature information, and the temperature feedback end 2 is used to receive the temperature information when the heater is heating. Here, the temperature detection module electrically connected to the temperature feedback end 1 of the MCU is taken as an example for explanation. This temperature detection module includes a resistor R68 and a resistor R18. The first end of the resistor R68 is electrically connected to the power supply, the first end of the resistor R18 is electrically connected to the temperature feedback end 1 of the MCU, the second end of the resistor R68 is connected in parallel with the second end of the resistor R18 and then electrically connected to the feedback end of the temperature sensor 4, and the grounding end of the temperature sensor 4 is grounded. In this way, the signal collected by the temperature sensor 4 can be input to the temperature feedback end 1 of the MCU after being pressurized by the power supply;

[0035] As Figure 4 shown, the output module is provided with a plurality of output ends. The output module is respectively electrically connected to a stirring motor, a heater, and an exhaust fan through the output ends. The input end of the output module is electrically connected to the control signal output end of the MCU. Among them, the stirring motor and the heater are arranged in the excretion chamber 6 of the degradation toilet, and the exhaust fan is arranged on the rear side wall of the excretion chamber 6.

[0036] In the degradation toilet controller, the temperature in the excretion chamber 6 is obtained by arranging the temperature sensor 4 in the excretion chamber 6 of the degradation toilet. When the temperature in the excretion chamber 6 is too low, the heater is started to heat the excretion chamber 6, which can prevent the excrement and fermentation materials in the excretion chamber 6 from condensing due to too low temperature. In this way, the stirring motor can operate normally, realizing the function of decomposing excrement, and thus preventing the accumulation of excrement and the occurrence of bad smell.

[0037] It should be noted that, as Figure 5 shown, it further includes at least two human body infrared detection modules. The input end of the human body infrared detection module is electrically connected to an infrared sensor, and the output end of the human body infrared detection module is electrically connected to the infrared acquisition end of the MCU. One of the infrared sensors is arranged on the front side wall of the excretion chamber 6 of the degradation toilet to detect the approach of a user to the degradation toilet, and the other infrared sensor is arranged on the front side wall of the backrest 3 of the degradation toilet to detect whether the toilet lid 7 of the degradation toilet is flipped in place.

[0038] In this embodiment, there are two human body infrared detection modules, whose output ends are respectively electrically connected to the infrared acquisition end 1 of the MCU and the infrared acquisition end 2 of the MCU, achieving the purpose of independently feeding back information to the MCU. Here, the human body infrared detection module electrically connected to the infrared acquisition end 1 of the MCU is used for illustration. This human body infrared detection module includes a resistor R61 and a resistor R11. The first end of the resistor R61 is electrically connected to the power supply, the first end of the resistor R11 is electrically connected to the infrared acquisition end 1 of the MCU, the second end of the resistor R61 is connected in parallel with the second end of the resistor R11 and then electrically connected to the feedback end of the infrared sensor, and the grounding end of the infrared sensor is grounded. In this way, the signal collected by the infrared sensor can be input to the infrared acquisition end 1 of the MCU after being pressurized by the power supply.

[0039] Preferably, as Figure 6 shown, it further includes a humidity detection module and a dehumidification module. The input end of the humidity detection module is electrically connected to a humidity detection sensor. The humidity detection sensor is arranged on the outer wall of the excretion chamber 6 and its detection end faces the ground. The output end of the humidity detection module is electrically connected to the humidity acquisition end of the MCU; the input end of the dehumidification module is electrically connected to the dehumidification output end of the MCU, and the output end of the dehumidification module is electrically connected to a heating plate 5. The heating plate 5 is arranged on the bottom surface and surrounds the degradation toilet.

[0040] The humidity detection module includes a resistor R91 and a resistor R53. The first end of the resistor R91 is electrically connected to the power supply, the first end of the resistor R53 is electrically connected to the temperature acquisition end of the MCU, the second end of the resistor R91 is connected in parallel with the second end of the resistor R53 and then electrically connected to the feedback end of the humidity detection sensor, and the grounding end of the humidity detection sensor is grounded. The dehumidification module includes a resistor R66 and a resistor R13. The first end of the resistor R66 is electrically connected to the power supply, the first end of the resistor R13 is electrically connected to the temperature output end of the MCU, the second end of the resistor R66 is connected in parallel with the second end of the resistor R13 and then electrically connected to the input end of the heating plate 5, and the grounding end of the heating plate 5 is grounded. When the ground is wet, the ground can be heated and dehumidified by the heating plate 5.

[0041] Specifically, as Figure 4 shown, the output module includes a composite transistor array IC2, a stirring motor forward rotation sub-circuit, a stirring motor reverse rotation sub-circuit, an exhaust fan drive sub-circuit, and a heater drive sub-circuit; the stirring motor forward rotation sub-circuit, the stirring motor reverse rotation sub-circuit, the exhaust fan drive sub-circuit, and the heater drive sub-circuit all correspond to an output end of the composite transistor array IC2, and the input ends corresponding to the output ends of the composite transistor array IC2 all correspond to a control signal output end of the MCU;

[0042] The forward rotation sub - circuit of the stirring motor includes an opto - coupler IC22 and a thyristor IC32. The control terminal of the thyristor IC32 is electrically connected to the corresponding output terminal of the composite transistor array IC2 through the opto - coupler IC22. The first terminal of the thyristor IC32 is electrically connected to the positive pole of the stirring motor, and the second terminal of the thyristor IC32 is electrically connected to the power supply;

[0043] The forward rotation sub - circuit of the stirring motor includes an opto - coupler IC21 and a thyristor IC31. The control terminal of the thyristor IC31 is electrically connected to the corresponding output terminal of the composite transistor array IC2 through the opto - coupler IC21. The first terminal of the thyristor IC31 is electrically connected to the negative pole of the stirring motor, and the second terminal of the thyristor IC31 is electrically connected to the power supply;

[0044] The exhaust fan drive sub - circuit includes a relay KJ3. The first end of the iron core of the relay KJ3 is electrically connected to the power supply, the second end of the iron core of the relay KJ3 is electrically connected to the corresponding output terminal of the composite transistor array IC2. The positive pole of the exhaust fan is electrically connected to the power supply through the normally - open contact of the relay KJ3, and the negative pole of the exhaust fan is grounded;

[0045] The heater drive sub - circuit includes a relay KJ4. The first end of the iron core of the relay KJ4 is electrically connected to the power supply, the second end of the iron core of the relay KJ4 is electrically connected to the corresponding output terminal of the composite transistor array IC2. The positive pole of the heater is electrically connected to the power supply through the normally - open contact of the relay KJ3, and the negative pole of the heater is grounded.

[0046] In this embodiment, the control signal output terminals of the MCU include OUT2, OUT3, OUT5, and OUT6. Among them, OUT2 is electrically connected to the input terminal D2 of the composite transistor array IC2, OUT3 is electrically connected to the input terminal D3 of the composite transistor array IC2, OUT5 is electrically connected to the input terminal D5 of the composite transistor array IC2, and OUT6 is electrically connected to the input terminal D6 of the composite transistor array IC2; When there is a signal at the input terminal D2, the output terminal Q2 can be grounded, thus turning on the opto - coupler IC22 and enabling a signal to be input to the control terminal of the thyristor IC32, thereby turning on the thyristor IC32 and making the stirring motor rotate forward; When there is a signal at the input terminal D3, the output terminal Q3 can be grounded, thus turning on the opto - coupler IC21 and enabling a signal to be input to the control terminal of the thyristor IC31, thereby turning on the thyristor IC31 and making the stirring motor rotate in reverse; When there is a signal at the input terminal D5, the output terminal Q5 can be grounded, thus energizing the relay KJ3 and closing its normally - open contact, and the exhaust fan operates; When there is a signal at the input terminal D6, the output terminal Q6 can be grounded, thus energizing the relay KJ4 and closing its normally - open contact, and the heater operates.

[0047] As Figure 9As shown, in this embodiment, the power supply includes a rectifier bridge DB1, a transformer T1, and a three-terminal voltage regulator 78M05. The mains power is rectified by the rectifier bridge DB1 and then stepped down by the transformer T1 to obtain 12V DC power, which is then output as 5V DC power after passing through the three-terminal voltage regulator 78M05.

[0048] It should be noted that, as Figure 7 shown, it further includes a toilet lid 7 drive module, and the toilet lid 7 drive module includes an opening drive sub-circuit and a closing drive sub-circuit;

[0049] The opening drive sub-circuit includes a linear optocoupler IC13, a P-channel MOSFET Q11, and an N-channel MOSFET Q21; the G poles of the P-channel MOSFET Q11 and the N-channel MOSFET Q21 are connected in parallel and then electrically connected to the opening output terminal of the MCU through the linear optocoupler IC13; the S pole of the P-channel MOSFET Q11 is electrically connected to the power supply, the S pole of the N-channel MOSFET Q21 is grounded, and the D poles of the P-channel MOSFET Q11 and the N-channel MOSFET Q21 are connected in parallel and then electrically connected to the positive pole of the drive motor of the toilet lid 7;

[0050] The opening drive sub-circuit includes a linear optocoupler IC14, a P-channel MOSFET Q12, and an N-channel MOSFET Q22; the G poles of the P-channel MOSFET Q12 and the N-channel MOSFET Q22 are connected in parallel and then electrically connected to the opening output terminal of the MCU through the linear optocoupler IC14; the S pole of the P-channel MOSFET Q12 is electrically connected to the power supply, the S pole of the N-channel MOSFET Q22 is grounded, and the D poles of the P-channel MOSFET Q12 and the N-channel MOSFET Q22 are connected in parallel and then electrically connected to the negative pole of the drive motor of the toilet lid 7.

[0051] When the infrared sensor disposed on the front side wall of the excretion chamber 6 of the degradation toilet detects that someone is approaching, the opening drive sub-circuit is triggered, the drive motor of the toilet lid 7 rotates forward, and the toilet lid 7 is automatically opened. The opened toilet lid 7 blocks the infrared sensor disposed on the front side wall of the backrest 3 of the degradation toilet, and the exhaust fan will be triggered to start through the MCU, while the stirring motor and the heater are both turned off; when the infrared sensor disposed on the front side wall of the backrest 3 of the degradation toilet detects that the person has left, the closing drive sub-circuit is triggered, the drive motor of the toilet lid 7 rotates in reverse, and the toilet lid 7 is automatically closed, and then the stirrer and the heater are started through the MCU.

[0052] Preferably, as Figure 8As shown, it further includes a motor overcurrent monitoring circuit. The motor overcurrent monitoring circuit includes a non-inverting comparator IC3A. The S poles of the N-channel field-effect MOS transistor Q21 and the N-channel field-effect MOS transistor Q22 are connected in parallel and then electrically connected to the non-inverting input terminal of the non-inverting comparator IC3A. The inverting input terminal of the non-inverting comparator IC3A is grounded. The output terminal of the non-inverting comparator IC3A is electrically connected to the motor overcurrent feedback terminal of the MCU. When the S pole of the N-channel field-effect MOS transistor Q21 or the S pole of the N-channel field-effect MOS transistor Q22 has overcurrent, the non-inverting comparator IC3A will generate a high level and input it to the motor overcurrent feedback terminal of the MCU.

[0053] As Figure 10 shown, in this embodiment, it further includes an Internet of Things module. The Internet of Things module includes an NB-IOT module with the model number M5311. The SIM card communicates with the MCU through the NB-IOT module, so as to realize the remote control of the mobile terminal.

[0054] The above has described the embodiments of the present invention in detail in conjunction with the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present invention, various changes, modifications, substitutions, and variations to these embodiments still fall within the protection scope of the present invention.

Claims

1. A degradation toilet controller, characterized in that: It includes an MCU, a temperature detection module and an output module; The input end of the temperature detection module is electrically connected to a temperature sensor, the output end of the temperature detection module is electrically connected to the temperature feedback end of the MCU, and the temperature sensor is arranged in the excretion chamber of the degradation toilet; The output module is provided with a plurality of output ends. The output module is respectively electrically connected to a stirring motor, a heater and an exhaust fan through the output ends. The input end of the output module is electrically connected to the control signal output end of the MCU. The stirring motor and the heater are arranged in the excretion chamber of the degradation toilet, and the exhaust fan is arranged on the rear side wall of the excretion chamber.

2. The degradation toilet controller according to claim 1, characterized in that: It further includes at least two human body infrared detection modules. The input end of the human body infrared detection module is electrically connected to an infrared sensor. The output end of the human body infrared detection module is electrically connected to the infrared acquisition end of the MCU. One of the infrared sensors is arranged on the front side wall of the excretion chamber of the degradation toilet to detect the approach of a user to the degradation toilet, and the other infrared sensor is arranged on the front side wall of the backrest of the degradation toilet to detect whether the toilet lid of the degradation toilet is flipped in place.

3. The degradation toilet controller according to claim 1, characterized in that: It further includes a humidity detection module and a dehumidification module. The input end of the humidity detection module is electrically connected to a humidity detection sensor. The humidity detection sensor is arranged on the outer wall of the excretion chamber and its detection end faces the ground. The output end of the humidity detection module is electrically connected to the humidity acquisition end of the MCU; the input end of the dehumidification module is electrically connected to the dehumidification output end of the MCU, and the output end of the dehumidification module is electrically connected to a heating plate. The heating plate is arranged on the bottom surface and surrounds the degradation toilet.

4. The degradation toilet controller according to claim 1, characterized in that: The output module includes a composite transistor array IC2, a stirring motor forward rotation sub-circuit, a stirring motor reverse rotation sub-circuit, an exhaust fan drive sub-circuit and a heater drive sub-circuit; the stirring motor forward rotation sub-circuit, the stirring motor reverse rotation sub-circuit, the exhaust fan drive sub-circuit and the heater drive sub-circuit respectively correspond to an output end of the composite transistor array IC2, and the input ends corresponding to the output ends of the composite transistor array IC2 respectively correspond to a control signal output end of the MCU; The stirring motor forward rotation sub-circuit includes an optocoupler IC22 and a thyristor IC32. The control end of the thyristor IC32 is electrically connected to the corresponding output end of the composite transistor array IC2 through the optocoupler IC22. The first end of the thyristor IC32 is electrically connected to the positive electrode of the stirring motor, and the second end of the thyristor IC32 is electrically connected to the power supply; The stirring motor reverse rotation sub-circuit includes an optocoupler IC21 and a thyristor IC31. The control end of the thyristor IC31 is electrically connected to the corresponding output end of the composite transistor array IC2 through the optocoupler IC21. The first end of the thyristor IC31 is electrically connected to the negative electrode of the stirring motor, and the second end of the thyristor IC31 is electrically connected to the power supply; The exhaust fan drive sub - circuit includes a relay KJ3. The first end of the iron core of the relay KJ3 is electrically connected to the power supply, the second end of the iron core of the relay KJ3 is electrically connected to the corresponding output end of the composite transistor array IC2. The positive pole of the exhaust fan is electrically connected to the power supply through the normally - open contact of the relay KJ3, and the negative pole of the exhaust fan is grounded; The heater drive sub - circuit includes a relay KJ4. The first end of the iron core of the relay KJ4 is electrically connected to the power supply, the second end of the iron core of the relay KJ4 is electrically connected to the corresponding output end of the composite transistor array IC2. The positive pole of the heater is electrically connected to the power supply through the normally - open contact of the relay KJ3, and the negative pole of the heater is grounded.

5. The degradation toilet controller according to claim 1, characterized in that: It further includes a toilet lid drive module, and the toilet lid drive module includes an opening drive sub - circuit and a closing drive sub - circuit; The opening drive sub - circuit includes a linear optocoupler IC13, a P - channel MOS field - effect transistor Q11, and an N - channel MOS field - effect transistor Q21. The G - poles of the P - channel MOS field - effect transistor Q11 and the N - channel MOS field - effect transistor Q21 are connected in parallel and then electrically connected to the opening output end of the MCU through the linear optocoupler IC13. The S - pole of the P - channel MOS field - effect transistor Q11 is electrically connected to the power supply, the S - pole of the N - channel MOS field - effect transistor Q21 is grounded, and the D - poles of the P - channel MOS field - effect transistor Q11 and the N - channel MOS field - effect transistor Q21 are connected in parallel and then electrically connected to the positive pole of the drive motor of the toilet lid; The opening drive sub - circuit includes a linear optocoupler IC14, a P - channel MOS field - effect transistor Q12, and an N - channel MOS field - effect transistor Q22. The G - poles of the P - channel MOS field - effect transistor Q12 and the N - channel MOS field - effect transistor Q22 are connected in parallel and then electrically connected to the opening output end of the MCU through the linear optocoupler IC14. The S - pole of the P - channel MOS field - effect transistor Q12 is electrically connected to the power supply, the S - pole of the N - channel MOS field - effect transistor Q22 is grounded, and the D - poles of the P - channel MOS field - effect transistor Q12 and the N - channel MOS field - effect transistor Q22 are connected in parallel and then electrically connected to the negative pole of the drive motor of the toilet lid.

6. The degradation toilet controller according to claim 5, wherein: It further includes a motor over - current monitoring circuit. The motor over - current monitoring circuit includes a non - inverting comparator IC3A. The S - poles of the N - channel MOS field - effect transistor Q21 and the N - channel MOS field - effect transistor Q22 are connected in parallel and then electrically connected to the non - inverting input terminal of the non - inverting comparator IC3A. The inverting input terminal of the non - inverting comparator IC3A is grounded, and the output terminal of the non - inverting comparator IC3A is electrically connected to the motor over - current feedback terminal of the MCU.

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