CN211257203U

CN211257203U - Squatting pan integrated with flushing system

Info

Publication number: CN211257203U
Application number: CN201920295825.9U
Authority: CN
Inventors: 邓严
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-08
Filing date: 2019-03-08
Publication date: 2020-08-14
Anticipated expiration: 2029-03-08

Abstract

The utility model provides a squatting pan integrated with a flushing system, which comprises a squatting pan body and a flushing system, wherein the squatting pan body comprises a urinal and a border surrounding the urinal, an opening is arranged on the upper surface of the border close to one side of a wall body, the flushing system comprises a photovoltaic panel, an energy accumulator, a solenoid valve, an infrared sensor and a control circuit, the photovoltaic panel is used for converting a light source into electric energy and transmitting the electric energy to the energy accumulator for storage, and the energy accumulator supplies power to the solenoid valve; the infrared sensor detects whether a person uses the squatting pan or not, and sends a first detection signal to the control circuit when the person uses the squatting pan, and the control circuit controls the electromagnetic valve to be opened for a corresponding time length according to the duration time of the first detection signal after receiving the first detection signal; the water outlet of the electromagnetic valve is connected with the water inlet of the urinal, the water inlet of the electromagnetic valve is connected with the water tap, and the electromagnetic valve, the joint of the electromagnetic valve and the urinal and the water inlet of the electromagnetic valve are all arranged in the leakage-proof layer. The utility model discloses leak protection performance is better.

Description

Squatting pan integrated with flushing system

Technical Field

The utility model belongs to the cleaners and polishes field, concretely relates to integrated squatting pan that has a bath system.

Background

The squatting pan is a sanitary appliance frequently used in daily life. The prior squatting pan and the flushing tank are usually separated, the squatting pan positioned behind the squatting pan is arranged close to a wall, when the flushing tank is installed, the flushing tank is firstly connected with a water tap, and because the joint of the flushing tank and the water tap is generally higher than the water tap, when water leaks from the joint, the water can directly drop on the floor under the influence of gravity; in addition, the flushing tank still needs to be connected with the water inlet of squatting pan, because squatting pan and flushing tank installation back, junction between the two buries underground below the earth's surface, therefore people can't confirm whether leak appears in the junction of flushing tank and squatting pan, only when the water logging to next floor after, people can confirm that leak has appeared in the junction of flushing tank and squatting pan, brought economic loss for people this moment. Therefore, the traditional squatting pan and the flushing tank have poor leakage-proof performance.

SUMMERY OF THE UTILITY MODEL

The utility model provides an integrated squatting pan that has a bath system to solve the relatively poor problem of traditional squatting pan and flushing tank leak protection performance.

According to the first aspect of the embodiment of the utility model, a squatting pan integrated with a flushing system is provided, including squatting pan body and flushing system, the squatting pan body includes the urinal and surrounds the border of urinal, and the upper surface of the border that is close to wall body one side has seted up the opening, flushing system includes photovoltaic board, accumulator, solenoid valve, infrared sensor and control circuit, the daylighting face of photovoltaic board and infrared sensor are located in the opening, the output of photovoltaic board is connected the input of accumulator, the output of accumulator is connected the power end of solenoid valve, the output of infrared sensor is connected the first input of control circuit, the first output of control circuit is connected the control end of solenoid valve; the photovoltaic panel is used for converting a light source into electric energy and transmitting the electric energy to an energy storage device for storage, and the energy storage device supplies power to the electromagnetic valve; the infrared sensor is used for detecting whether a person uses the squatting pan or not and sending a first detection signal to the control circuit when the person uses the squatting pan, and the control circuit controls the electromagnetic valve to be opened for corresponding time according to the duration time of the first detection signal after receiving the first detection signal;

the water outlet of the electromagnetic valve is connected with the water inlet of the urinal, the water inlet of the electromagnetic valve is used for being connected with a water tap, and the electromagnetic valve, the joint of the electromagnetic valve and the urinal and the water inlet of the electromagnetic valve are all arranged in the leakage-proof layer.

In an optional implementation manner, the anti-leakage layer is a ceramic glue layer.

In another alternative implementation, the water inlet of the electromagnetic valve is in threaded connection with the water tap.

In another optional implementation manner, the control circuit includes a controller, a timer, a digital-to-analog converter, a first comparator, a second comparator, a first delay switch and a second delay switch, a first input end of the controller is connected to the infrared sensor, a first output end of the controller is connected to an input end of the timer, a second output end of the controller is connected to a reset end of the timer, an output end of the timer is connected to an input end of the digital-to-analog converter, and output ends of the digital-to-analog converter are respectively connected to first input ends of the first comparator and the second comparator;

the second input end of the first comparator is connected with a first reference voltage, the output end of the first comparator is connected with the second input end of the controller, and the third output end of the controller is connected with the control end of the electromagnetic valve through a first delay switch; a second input end of the second comparator is connected with a second reference voltage, an output end of the second comparator is connected with a third input end of the controller, a fourth output end of the controller is connected with a control end of the electromagnetic valve through a second delay switch, the first reference voltage is smaller than the second reference voltage, and the delay disconnection duration of the first delay switch is smaller than that of the second delay switch;

the controller controls the timer to start timing after receiving the first detection signal; the timer transmits a digital timing signal to the digital-to-analog converter, the digital-to-analog converter converts the digital timing signal into an analog timing signal and provides the analog timing signal to the first comparator and the second comparator respectively;

the first comparator sends a first comparison signal to the controller when the analog timing signal is greater than a first reference voltage, and the second comparator sends a second comparison signal to the controller when the analog timing signal is greater than a second reference voltage;

the infrared sensor sends a second detection signal to the controller when no one uses the squatting pan;

the controller enables the second input end and the third input end of the controller after receiving the second detection signal, the first comparison signal is received at the second input end of the controller, the first delay switch is controlled to be switched on when the third input end does not receive the second comparison signal, the first delay switch is switched off after being switched on for a corresponding time length, and the controller provides a control signal to the electromagnetic valve during the switching-on period of the first delay switch so as to control the corresponding time length for switching on the electromagnetic valve; the second input end of the controller receives the first comparison signal, the third input end of the controller controls the second delay switch to be switched on when receiving the second comparison signal, the second delay switch is switched off after being switched on for a corresponding time length, and the controller provides a control signal to the electromagnetic valve during the switching-on period of the second delay switch so as to control the electromagnetic valve to be switched on for a corresponding time length.

In another optional implementation manner, the control circuit further includes a third comparator and a third delay switch, an output end of the digital-to-analog converter is connected to a first input end of the third comparator, a second input end of the third comparator is connected to a third reference voltage, an output end of the third comparator is connected to a fourth input end of the controller, a fifth output end of the controller is connected to a control end of the electromagnetic valve through the third delay switch, the third reference voltage is smaller than the first reference voltage, and a delay off duration of the third delay switch is smaller than a delay off duration of the first delay switch; the digital-to-analog converter provides an analog timing signal to the third comparator, the third comparator sends a third comparison signal to the controller when the analog timing signal is greater than a third reference voltage, the controller controls the third delay switch to be turned on after receiving the third comparison signal, the third delay switch is turned off after being turned on for a corresponding duration, and the controller provides a control signal to the electromagnetic valve during the turn-on period of the third delay switch to control the corresponding duration for turning on the electromagnetic valve.

In another optional implementation manner, the photovoltaic panel further comprises a charging circuit arranged between the photovoltaic panel and the energy storage device, a state end of the energy storage device is connected to a fifth input end of the controller, and a sixth output end of the controller is connected to the charging circuit; the controller controls the charging circuit to charge the energy storage device when receiving the state signal that the energy storage device is full, and controls the charging circuit to stop charging the energy storage device when receiving the state signal that the energy storage device is full.

The utility model has the advantages that:

1. the utility model integrates the flushing system on the squatting pan, thereby saving the installation step of the flushing system and only needing to install the squatting pan, thereby facilitating the installation; usually, the water tap is positioned on the squatting pan, and water flow only flows into the water inlet of the electromagnetic valve at the lower part from the water tap at the higher part, so that water leakage is not easy to occur at the joint of the water tap and the electromagnetic valve; the utility model discloses a all wrap up the junction of solenoid valve, solenoid valve and urinal and the water inlet of solenoid valve in the leak protection in situ, can avoid the junction of solenoid valve and urinal to appear leaking to further avoid tap and solenoid valve's junction to appear leaking, thereby can improve squatting pan and flushing system's leak protection performance. In addition, the utility model converts the light source into electric energy for supplying power by arranging the photovoltaic plate, thereby saving the step of wiring wires during installation and simplifying the installation of the automatic flushing squatting pan; the utility model stores the electric energy obtained by the conversion of the photovoltaic panel, and can avoid the situation that the electromagnetic valve can not be normally opened and the squatting pan can not be normally flushed without a light source, thereby reducing the dependence of the automatic flushing squatting pan on the power supply situation and the external environment; because the utility model does not need to wire, the wire can be prevented from being corroded in the humid environment, thereby prolonging the service life of the automatic flushing squatting pan; the utility model detects the action of using the squatting pan by the infrared sensor, and can ensure that the electromagnetic valve is opened only when a person uses the squatting pan; because the time length of using the excrement and urine is usually different, the utility model can determine the opening time length of the electromagnetic valve according to the time length of using the squatting pan by the user, and can flush according to the excrement and urine condition of the user, thereby avoiding wasting water resources while ensuring the cleanness of flushing; furthermore, the utility model discloses the controller is after its second detected signal who receives unmanned use squatting pan, just enables the second input and the third input of controller, and then control opens the solenoid valve, and the user just washes after having used up the squatting pan, can further improve from this and wash the cleanliness factor to can avoid washing the in-process water splash to the user on one's body, thereby can improve the good experience degree of user.

2. The utility model discloses a water inlet that makes the solenoid valve is connected for threaded connection with between the tap, can further improve flushing system's leak protection performance.

3. The utility model discloses a design control circuit, adopt the time-recorder to make statistics of long when using of user to confirm the user according to making statistics of out long time and be in shit or urine, long time according to the shit condition control solenoid valve of user is opened again, not only can guarantee the cleanliness factor that the shit was washed, can avoid moreover to wash away when urine and cause the water waste because of the solenoid valve open time overlength.

4. The utility model discloses can carry out the preflush to the squatting pan before the user goes to the lavatory to avoid shit adhesion on the squatting pan, thereby further guarantee the cleanliness factor of squatting pan.

5. The utility model discloses a whether the energy storage state that is full of to the accumulator monitors, can stop charging to the accumulator when the accumulator is full of to can avoid the accumulator to appear overcharging, improve the life of accumulator.

Drawings

FIG. 1 is a top view of an embodiment of the present invention integrated with a flushing system;

FIG. 2 is a top perspective view of an embodiment of the present invention integrated flush system squatting pan;

FIG. 3 is a left perspective view of one embodiment of the present invention of a squatting pan integrated with a flushing system;

FIG. 4 is a front view of an embodiment of the present invention integrated with a flushing system;

FIG. 5 is a circuit block diagram of an embodiment of the squatting pan integrated with the flushing system of the present invention;

fig. 6 is a circuit block diagram of another embodiment of the squatting pan integrated with the flushing system of the present invention.

Detailed Description

In order to make those skilled in the art understand the technical solutions in the embodiments of the present invention better and make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the following description of the technical solutions in the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the term "connected" is to be interpreted broadly, for example, it may be mechanically or electrically connected, or it may be connected between two elements, directly or indirectly through an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

Referring to fig. 1, a top view of an embodiment of the squatting pan integrated with a flushing system of the present invention is shown. The squatting pan integrated with the water flushing system can comprise a squatting pan body and the water flushing system, wherein the squatting pan body comprises a urinal 1 and an edge 2 surrounding the urinal 1, an opening 4 is formed in the upper surface of the edge 2 close to one side of a wall body 3, the water flushing system comprises a photovoltaic panel, an energy accumulator, an electromagnetic valve, an infrared sensor and a control circuit, a lighting surface of the photovoltaic panel 5 and the infrared sensor 6 are positioned in the opening 4, the output end of the photovoltaic panel is connected with the input end of the energy accumulator, the output end of the energy accumulator is connected with the power supply end of the electromagnetic valve, the output end of the infrared sensor is connected with the first input end of the control circuit, and the first output end of the control circuit is connected with the control end of the electromagnetic valve; the photovoltaic panel is used for converting a light source into electric energy and transmitting the electric energy to an energy storage device for storage, and the energy storage device supplies power to the electromagnetic valve; the infrared sensor is used for detecting whether a person uses the squatting pan or not and sending a first detection signal to the control circuit when the person uses the squatting pan, and the control circuit controls the electromagnetic valve to be opened for corresponding time according to the duration time of the first detection signal after receiving the first detection signal; referring to fig. 2 to 4, a water outlet of the solenoid valve 7 located below the squatting pan body is connected to a water inlet of the toilet bowl 1, a water inlet of the solenoid valve 7 is connected to a faucet, and the solenoid valve 7, a connection portion of the solenoid valve 7 and the toilet bowl 1, and a water inlet of the solenoid valve 7 are all disposed in the anti-leakage layer 8.

According to the embodiment, the flushing system is integrated on the squatting pan, so that the installation step of the flushing system is omitted, and the squatting pan is only required to be installed, so that the installation is convenient; usually, the water tap is positioned on the squatting pan, and water flow only flows into the water inlet of the electromagnetic valve at the lower part from the water tap at the higher part, so that water leakage is not easy to occur at the joint of the water tap and the electromagnetic valve; the utility model discloses a all wrap up the junction of solenoid valve, solenoid valve and urinal and the water inlet of solenoid valve in the leak protection in situ, can avoid the junction of solenoid valve and urinal to appear leaking to further avoid tap and solenoid valve's junction to appear leaking, thereby can improve squatting pan and flushing system's leak protection performance. In addition, the utility model converts the light source into electric energy for supplying power by arranging the photovoltaic plate, thereby saving the step of wiring wires during installation and simplifying the installation of the automatic flushing squatting pan; the utility model stores the electric energy obtained by the conversion of the photovoltaic panel, and can avoid the situation that the electromagnetic valve can not be normally opened and the squatting pan can not be normally flushed without a light source, thereby reducing the dependence of the automatic flushing squatting pan on the power supply situation and the external environment; because the utility model discloses needn't carry out the electric wire wiring, therefore can avoid the electric wire to be corroded in humid environment to can improve the life of automatic flushing squatting pan. The utility model detects the action of using the squatting pan by the infrared sensor, and can ensure that the electromagnetic valve is opened only when a person uses the squatting pan; because the length of time that stool and urine used is different usually, the utility model discloses a length of time is confirmed opening of solenoid valve according to the length of time that the user used squatting pan, can wash by water according to user's stool and urine condition to can avoid the water waste resource when guaranteeing to wash totally.

In addition, in this embodiment, the leakage-proof layer 8 may be a ceramic glue layer. The water inlet of the electromagnetic valve 7 can be in threaded connection with the water tap. Traditionally, adopt the mode that the rubber circle is connected between the water inlet of solenoid valve 7 and the tap, leak appears very easily in this kind of mode, the utility model discloses a be connected for threaded connection between the water inlet that makes the solenoid valve and the tap, can further improve flushing system's leak protection performance.

Referring to fig. 6, it is a circuit block diagram of another embodiment of the squatting pan integrated with a flushing system of the present invention. The squatting pan integrated with the flushing system shown in fig. 6 and 5 is different in that the control circuit comprises a controller, a timer, a digital-to-analog converter, a first comparator, a second comparator, a first delay switch and a second delay switch, a first input end of the controller is connected with the infrared sensor, a first output end of the controller is connected with an input end of the timer, a second output end of the controller is connected with a reset end of the timer, an output end of the timer is connected with an input end of the digital-to-analog converter, and output ends of the digital-to-analog converter are respectively connected with first input ends of the first comparator and the second comparator; a second input end of the first comparator is connected with a first reference voltage V1, an output end of the first comparator is connected with a second input end of the controller, and a third output end of the controller is connected with a control end of the electromagnetic valve through a first delay switch; a second input end of the second comparator is connected with a second reference voltage V2, an output end of the second comparator is connected with a third input end of the controller, a fourth output end of the controller is connected with a control end of the electromagnetic valve through a second delay switch, the first reference voltage is smaller than the second reference voltage, and the delay off duration of the first delay switch is smaller than the delay off duration of the second delay switch.

The controller controls the timer to start timing after receiving the first detection signal; the timer transmits a digital timing signal to the digital-to-analog converter, the digital-to-analog converter converts the digital timing signal into an analog timing signal and provides the analog timing signal to the first comparator and the second comparator respectively; the first comparator sends a first comparison signal to the controller when the analog timing signal is greater than a first reference voltage, in which case it may be determined that the user is likely to urinate or defecate, and the second comparator sends a second comparison signal to the controller when the analog timing signal is greater than a second reference voltage, in which case it may be determined that the user is defecate.

The infrared sensor sends a second detection signal to the controller when no one uses the squatting pan; the controller enables the second input end and the third input end after receiving the second detection signal, controls to turn on the first delay switch when the second input end receives no second comparison signal (namely, determines that the user urinates), turns off the first delay switch after the first delay switch is turned on for a corresponding time length, provides a control signal to the electromagnetic valve during the turn-on period of the first delay switch so as to control to turn on the electromagnetic valve for a corresponding time length, receives the first comparison signal at the second input end, controls to turn on the second delay switch when the third input end receives the second comparison signal (namely, determines that the user defecates), turns off the second delay switch after the second delay switch is turned on for a corresponding time length, and provides a control signal to the electromagnetic valve during the turn-on period of the second delay switch, so as to control the corresponding time length for opening the electromagnetic valve. Because the time delay disconnection of first time delay switch is long to be less than the time delay disconnection of second time delay switch, therefore the user will be greater than the user when defecating when long when the solenoid valve is opened long, no matter what kind of condition of stool and urine like this, can guarantee the cleanliness factor of washing to can not waste the water resource when washing away urine. Therefore, the utility model discloses a design control circuit, adopt the time-recorder to make statistics of when user's use is long to confirm the user according to making statistics of long time and be in shit or urine, long time according to user's shit condition control solenoid valve is opened again, not only can guarantee the cleanliness factor that the shit was washed, can avoid moreover to wash away and cause the water waste because of the solenoid valve open time overlength when urine. Furthermore, the utility model discloses the controller is after its second detected signal who receives unmanned use squatting pan, just enables the second input and the third input of controller, and then control opens the solenoid valve, and the user just washes after having used up the squatting pan, can further improve from this and wash the cleanliness factor to can avoid washing the in-process water splash to the user on one's body, thereby can improve the good experience degree of user. And after receiving the second detection signal, the controller also sends a reset signal to the timer so as to reset the timer.

The user defecates very easily the adhesion on the squatting pan when using the squatting pan, in order to avoid this condition to appear, the utility model provides a carry out the preflush to the squatting pan. For this purpose, the squatting pan integrated with a flush system shown in fig. 6 and fig. 5 further differs in that the control circuit further includes a third comparator and a third delay switch, an output end of the digital-to-analog converter is connected to a first input end of the third comparator, a second input end of the third comparator is connected to a third reference voltage V3, an output end of the third comparator is connected to a fourth input end of the controller, a fifth output end of the controller is connected to a control end of the electromagnetic valve through the third delay switch, the third reference voltage V3 is smaller than the first reference voltage V1, and a delay off duration of the third delay switch is smaller than a delay off duration of the first delay switch; the digital-to-analog converter provides an analog timing signal to the third comparator, the third comparator sends a third comparison signal to the controller when the analog timing signal is greater than a third reference voltage (at the moment, the third comparison signal is at a pre-flushing time), the controller controls the third delay switch to be switched on after receiving the third comparison signal, the third delay switch is switched off after being switched on for a corresponding time length, and the controller provides a control signal to the electromagnetic valve during the switching on period of the third delay switch so as to control the electromagnetic valve to be switched on for the corresponding time length.

In addition, the squatting pan integrated with a flushing system shown in fig. 6 and fig. 5 is further different in that the flushing system further includes a charging circuit disposed between the photovoltaic panel and the energy storage device, a status end of the energy storage device is connected to a fifth input end of the controller, and a sixth output end of the controller is connected to the charging circuit; the controller controls the charging circuit to charge the energy storage device when receiving the state signal that the energy storage device is full, and controls the charging circuit to stop charging the energy storage device when receiving the state signal that the energy storage device is full. The utility model discloses a whether the energy storage state that is full of to the accumulator monitors, can stop charging to the accumulator when the accumulator is full of to can avoid the accumulator to appear overcharging, improve the life of accumulator. In this embodiment, the infrared sensor sends the first detection signal to the controller when detecting that someone uses the squatting pan, and does not send the first detection signal to the controller when not detecting that someone uses the squatting pan.

According to the embodiment, the flushing system is integrated on the squatting pan, so that the installation step of the flushing system is omitted, and the squatting pan is only required to be installed, so that the installation is convenient; usually, the water tap is positioned on the squatting pan, and water flow only flows into the water inlet of the electromagnetic valve at the lower part from the water tap at the higher part, so that water leakage is not easy to occur at the joint of the water tap and the electromagnetic valve; the utility model discloses a all wrap up the junction of solenoid valve, solenoid valve and urinal and the water inlet of solenoid valve in the leak protection in situ, can avoid the junction of solenoid valve and urinal to appear leaking to further avoid tap and solenoid valve's junction to appear leaking, thereby can improve squatting pan and flushing system's leak protection performance. In addition, the utility model converts the light source into electric energy for supplying power by arranging the photovoltaic plate, thereby saving the step of wiring wires during installation and simplifying the installation of the automatic flushing squatting pan; the utility model stores the electric energy obtained by the conversion of the photovoltaic panel, and can avoid the situation that the electromagnetic valve can not be normally opened and the squatting pan can not be normally flushed without a light source, thereby reducing the dependence of the automatic flushing squatting pan on the power supply situation and the external environment; because the utility model discloses needn't carry out the electric wire wiring, therefore can avoid the electric wire to be corroded in humid environment to can improve the life of automatic flushing squatting pan. In addition, the utility model detects the action of using the squatting pan by the infrared sensor, which can ensure that the electromagnetic valve is opened only when the squatting pan is used by a person; because the length of time that stool and urine used is different usually, the utility model discloses a length of time is confirmed opening of solenoid valve according to the length of time that the user used squatting pan, can wash by water according to user's stool and urine condition to can avoid the water waste resource when guaranteeing to wash totally.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. The squatting pan integrated with the water flushing system is characterized by comprising a squatting pan body and the water flushing system, wherein the squatting pan body comprises a urinal and a border surrounding the urinal, an opening is formed in the upper surface of the border close to one side of a wall body, the water flushing system comprises a photovoltaic panel, an energy accumulator, an electromagnetic valve, an infrared sensor and a control circuit, a lighting surface of the photovoltaic panel and the infrared sensor are located in the opening, the output end of the photovoltaic panel is connected with the input end of the energy accumulator, the output end of the energy accumulator is connected with the power supply end of the electromagnetic valve, the output end of the infrared sensor is connected with the first input end of the control circuit, and the first output end of the control circuit is connected with the control end of the electromagnetic valve; the photovoltaic panel is used for converting a light source into electric energy and transmitting the electric energy to an energy storage device for storage, and the energy storage device supplies power to the electromagnetic valve; the infrared sensor is used for detecting whether a person uses the squatting pan or not and sending a first detection signal to the control circuit when the person uses the squatting pan, and the control circuit controls the electromagnetic valve to be opened for corresponding time according to the duration time of the first detection signal after receiving the first detection signal;

2. The squatting pan integrated with a flushing system as claimed in claim 1, wherein the anti-leakage layer is a ceramic glue layer.

3. The squatting pan integrated with a flushing system as claimed in claim 1 or 2, wherein a threaded connection is formed between the water inlet of the electromagnetic valve and the water tap.

4. The squatting pan integrated with a flushing system as claimed in claim 1, wherein the control circuit comprises a controller, a timer, a digital-to-analog converter, a first comparator, a second comparator, a first delay switch and a second delay switch, a first input end of the controller is connected with the infrared sensor, a first output end of the controller is connected with an input end of the timer, a second output end of the controller is connected with a reset end of the timer, an output end of the timer is connected with an input end of the digital-to-analog converter, and output ends of the digital-to-analog converter are respectively connected with first input ends of the first comparator and the second comparator;

5. The squatting pan integrated with a flushing system as claimed in claim 4, wherein the control circuit further comprises a third comparator and a third delay switch, the output end of the digital-to-analog converter is connected with the first input end of the third comparator, the second input end of the third comparator is connected with a third reference voltage, the output end of the third comparator is connected with the fourth input end of the controller, the fifth output end of the controller is connected with the control end of the electromagnetic valve through the third delay switch, the third reference voltage is smaller than the first reference voltage, and the delay off duration of the third delay switch is smaller than the delay off duration of the first delay switch; the digital-to-analog converter provides an analog timing signal to the third comparator, the third comparator sends a third comparison signal to the controller when the analog timing signal is greater than a third reference voltage, the controller controls the third delay switch to be turned on after receiving the third comparison signal, the third delay switch is turned off after being turned on for a corresponding duration, and the controller provides a control signal to the electromagnetic valve during the turn-on period of the third delay switch to control the corresponding duration for turning on the electromagnetic valve.

6. The squatting pan integrated with a flushing system as claimed in claim 4 or 5, further comprising a charging circuit arranged between the photovoltaic panel and an energy accumulator, wherein the status end of the energy accumulator is connected with the fifth input end of the controller, and the sixth output end of the controller is connected with the charging circuit; the controller controls the charging circuit to charge the energy storage device when receiving the state signal that the energy storage device is full, and controls the charging circuit to stop charging the energy storage device when receiving the state signal that the energy storage device is full.