CN218508600U

CN218508600U - Closestool capable of preventing falling object from being blocked

Info

Publication number: CN218508600U
Application number: CN202222076459.2U
Authority: CN
Inventors: 何国斌; 许天骥
Original assignee: Shunde Area Foshan Lehua Ceramic Sanitary Ware Co ltd
Current assignee: Shunde Area Foshan Lehua Ceramic Sanitary Ware Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-02-21
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a closestool capable of preventing falling object blockage, which relates to the technical field of bathroom, and comprises a closestool body, a main control board, a sensor and a solenoid valve; the sensor is connected with the main control board and used for detecting a falling object entering the closestool body and sending a detection signal to the main control board; the electromagnetic valve is arranged at a water outlet at the bottom of the closestool body and connected with the main control board, and the electromagnetic valve is used for switching the opening and closing state of the water outlet; the main control panel is used for controlling the opening and closing state of the electromagnetic valve according to the detection signal so as to switch the opening and closing state of the water outlet. Adopt the embodiment of the utility model provides a but real-time detection whether has unusual whereabouts thing to switching state through the mode switching delivery port of control solenoid valve on-off state, thereby avoid unusual whereabouts thing to block up the closestool, reduce loss of property.

Description

Closestool capable of preventing falling object from being blocked

Technical Field

The utility model relates to a bathroom technical field especially relates to prevent falling object and blocking up closestool.

Background

In daily life, a toilet is an indispensable part of public toilets and household toilets. However, in the using process of the toilet, the situation that keys, watches, mobile phones, car keys and the like cannot be taken out after falling into the toilet, and even young children throw toys into the toilet directly is often caused; however, once these conditions occur, there is a possibility of losing money and causing the toilet to be clogged, which is very troublesome.

At present, most of toilet seats on the market are provided with at least one human body signal sensor at the front end or the side surface, when a person approaches to the toilet seat for use or leaves, the human body signal sensor at the front end or the side surface of the toilet seat transmits a signal that the person approaches to or leaves the toilet seat to the intelligent control device, so that corresponding intelligent equipment is started to work, and articles are actively discharged through enlarging an outlet. For example, in the patent of 'an improved anti-blocking toilet bowl', the application number of which is 202021030614.1, the diameter of the first pipe body is gradually increased, so that the flowing of the dirt is smoother, and the blocking phenomenon is not easy to occur. However, the above technology mainly prevents the toilet from being blocked by various means, cannot effectively prevent valuables such as a mobile phone, a watch, a car key and the like from falling into the toilet, can only actively discharge the valuables by enlarging an outlet, and cannot meet the actual requirements of users.

Disclosure of Invention

An embodiment of the utility model provides a simple structure's closestool that prevents that thing that falls blocks up can avoid unusual thing that falls to block up the closestool, reduces loss of property.

In order to solve the technical problem, on the one hand, an embodiment of the utility model provides a closestool for preventing falling object from blocking, which comprises a closestool body, a main control board, a sensor and an electromagnetic valve; the sensor is connected with the main control board and used for detecting a falling object entering the closestool body and sending a detection signal to the main control board; the electromagnetic valve is arranged at a water outlet at the bottom of the closestool body and is connected with the main control board, and the electromagnetic valve is used for switching the opening and closing state of the water outlet; the main control panel is used for controlling the opening and closing state of the electromagnetic valve according to the detection signal so as to switch the opening and closing state of the water outlet.

As an improvement of the above scheme, the main control board comprises a power supply voltage stabilizing circuit, a microcontroller and a driving circuit; the power supply voltage stabilizing circuit is connected with the microcontroller and is used for performing voltage stabilization on a power supply so as to supply power to the microcontroller; the driving circuit is respectively connected with the microcontroller and the electromagnetic valve and is used for controlling the opening and closing state of the electromagnetic valve.

As an improvement of the above scheme, the main control board further comprises a buzzer alarm circuit connected with the microcontroller, and the buzzer alarm circuit is used for sending an audible alarm signal.

As an improvement of the scheme, the sensor comprises an infrared sensor, the infrared sensor is arranged at the bottom of a seat ring of the closestool body, and the main control board is arranged on a cover plate of the closestool body.

As an improvement of the scheme, the sensor comprises an electromagnetic sensor, and the electromagnetic sensor and the main control board are both arranged on the outer wall of the sewage outlet of the closestool body.

As an improvement of the above scheme, the infrared sensor comprises an infrared transmitting circuit and an infrared receiving circuit; the infrared transmitting circuit is connected with the main control board and is used for sending an infrared signal outwards; the infrared receiving circuit is connected with the main control board, the main control board is used for supplying power to the infrared receiving circuit, and the infrared receiving circuit is used for receiving the detection signal and sending the detection signal to the main control board.

As an improvement of the above scheme, the infrared receiving circuit includes an operational amplifier, an infrared receiving tube, a fifth capacitor, a sixth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor and a fifth resistor; the non-inverting input end of the operational amplifier is grounded through the second resistor and is connected with the anode of the infrared receiving tube through the fifth capacitor, the anode of the infrared receiving tube is grounded through the first resistor, and the cathode of the infrared receiving tube is connected with the main control board; the inverting input end of the operational amplifier is connected with one end of the fourth resistor and one end of the sixth capacitor and is grounded through the third resistor; the output end of the operational amplifier is connected with the other end of the fourth resistor and the other end of the sixth capacitor and is connected with the main control board through the fifth resistor.

As an improvement of the above scheme, the infrared sensor further comprises an LED alarm circuit connected with the main control board, and the LED alarm circuit is used for sending a visual alarm signal.

As an improvement of the above scheme, the main control board is further configured to adjust, according to the detection signal, a frequency at which the infrared transmitting circuit sends an infrared signal to the outside and a frequency at which the infrared receiving circuit receives the detection signal.

As an improvement of the scheme, the electromagnetic valve is a pilot-operated electromagnetic valve

Implement the embodiment of the utility model provides a, following beneficial effect has:

the embodiment of the utility model provides a combine together main control board, sensor and solenoid valve and install on the closestool body to form the closestool that prevents the pendant jam. Specifically, the method comprises the following steps: the embodiment of the utility model provides a through the falling object that sensor real-time detection got into closestool body and with detected signal transmission to main control board, whether the rethread main control board confirms in real time that there is unusual falling object to the switching state of control solenoid valve on-off state in order to switch the delivery port can effectively avoid unusual falling object to block up the closestool, realizes that intelligence prevents blockking up, reduces loss of property.

Drawings

FIG. 1 is a schematic structural view of a toilet bowl according to a first embodiment of the present invention for preventing blockage by falling objects;

FIG. 2 is a schematic view of a toilet bowl according to a first embodiment of the present invention for preventing clogging due to falling objects;

FIG. 3 is a circuit diagram of a power supply voltage stabilizing circuit in the toilet bowl for preventing the falling object from being blocked by the utility model;

FIG. 4 is a circuit diagram of a microcontroller in a toilet bowl for preventing blockage by a falling object according to the present invention;

FIG. 5 is a circuit diagram of a driving circuit of the toilet bowl for preventing the falling object from being blocked by the present invention;

FIG. 6 is a circuit diagram of a buzzer alarm circuit in the toilet bowl for preventing the falling object from blocking;

FIG. 7 is a circuit diagram of an infrared emission circuit in the toilet bowl for preventing the falling object from being blocked by the present invention;

FIG. 8 is a circuit diagram of an infrared receiving circuit in the toilet bowl for preventing the falling object from being blocked according to the present invention;

FIG. 9 is a circuit diagram of an LED alarm circuit in the toilet bowl for preventing the falling object from being blocked by the present invention;

fig. 10 is a schematic structural view of a toilet bowl for preventing the falling object from being blocked according to a second embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

Referring to fig. 1, fig. 1 shows a schematic structural view of a toilet bowl for preventing falling objects from blocking, which includes a toilet bowl body 1, a main control board 2, a sensor 3 and a solenoid valve 4. Specifically, the method comprises the following steps:

the sensor 3 is connected with the main control board 2, and the sensor 3 is used for detecting falling objects entering the closestool body 1 and sending detection signals to the main control board 2; in this embodiment, the sensor 3 is an infrared sensor, and the infrared sensor is disposed at the bottom of the seat of the toilet body 1.

The electromagnetic valve 4 is arranged at a water outlet at the bottom of the closestool body 1 and is connected with the main control board 2, and the electromagnetic valve 4 is used for switching the opening and closing state of the water outlet. Preferably, the solenoid valve 4 is a pilot-operated solenoid valve, and after the solenoid valve 4 is opened, no pressure requirement exists, and the flushing effect is not influenced.

The main control panel 2 is used for controlling the opening and closing state of the electromagnetic valve 4 according to the detection signal so as to switch the opening and closing state of the water outlet; in this embodiment, the main control panel 2 may be disposed on the cover plate of the toilet body 1.

Since infrared radiation signals of different objects are different, whether a falling object is a foreign object can be identified by the infrared sensor.

When the infrared detection device works, the infrared sensor emits infrared rays outwards in real time, collects detection signals in real time, and sends the detection signals to the main control board 3; then, the main control board 2 determines whether the detection signal is abnormal according to the detection signal, wherein if the detection signal is normal, it indicates that no falling object exists or the falling object is a normal object (such as water or feces), and if the detection signal is abnormal, it indicates that the falling object is an abnormal object (such as a mobile phone, a watch, a car key, and the like); correspondingly, when the detection signal is normal, the main control board 2 controls the electromagnetic valve 4 to be opened so that the water outlet is in an open state, so that the normal operation of the closestool is ensured, and when the detection signal is abnormal, the main control board 2 controls the electromagnetic valve 4 to be closed so that the water outlet is in a closed state, so that the closestool is prevented from being blocked by abnormal objects.

Therefore, the embodiment of the utility model provides a through the detection to the thing that falls and the control of solenoid valve 4, can effectively realize that intelligence prevents blockking up.

As shown in fig. 2, the main control board 2 includes a power supply voltage regulator circuit 21, a microcontroller 22 and a driving circuit 23; the power supply voltage stabilizing circuit 21 is connected with the microcontroller 22, and the power supply voltage stabilizing circuit 21 is used for performing voltage stabilizing processing on a power supply to supply power to the microcontroller 22; the drive circuit 23 is connected to the microcontroller 22 and the solenoid valve 4, respectively, and the drive circuit 23 is used to control the open/close state of the solenoid valve 4. Preferably, the microcontroller 22 is a low power consumption single chip microcomputer, but not limited thereto, and can be adjusted according to actual requirements.

Meanwhile, the infrared sensor 3 includes an infrared transmitting circuit 31 and an infrared receiving circuit 32; the infrared transmitting circuit 31 is connected with the main control board 2, and the infrared transmitting circuit 31 is used for sending an infrared signal outwards; the infrared receiving circuit 32 is connected with the main control board 2, the main control board 2 is used for supplying power to the infrared receiving circuit 32, and the infrared receiving circuit 32 is used for receiving the detection signal and sending the detection signal to the main control board 2.

When the infrared detection device works, the infrared transmitting circuit 31 transmits infrared rays outwards in real time, and the infrared receiving circuit 32 collects detection signals in real time and sends the detection signals to the microcontroller 22; then, the microcontroller 22 determines whether the detection signal is abnormal according to the detection signal, wherein if the detection signal is normal, it indicates that there is no falling object or the falling object is a normal object (e.g., water or feces), and if the detection signal is abnormal, it indicates that the falling object is an abnormal object (e.g., a mobile phone, a watch, a car key, etc.); correspondingly, when the detection signal is normal, the microcontroller 22 controls the electromagnetic valve 4 to be opened through the driving circuit 23 so as to enable the water outlet to be in an open state, so that the normal operation of the toilet is ensured, and when the detection signal is abnormal, the microcontroller 22 controls the electromagnetic valve 4 to be closed through the driving circuit 23 so as to enable the water outlet to be in a closed state, so that the toilet is prevented from being blocked by abnormal objects.

Further, the main control board 2 further comprises a buzzer alarm circuit 24 connected with the microcontroller 22, and the buzzer alarm circuit 24 is used for sending an audible alarm signal. In addition, the infrared sensor 3 further comprises an LED alarm circuit 33 connected with the main control board 2, and the LED alarm circuit 33 is used for sending a visual alarm signal.

It should be noted that, when the microcontroller 22 determines that the detection signal is abnormal, the microcontroller 22 further drives the buzzer alarm circuit 24 and/or the LED alarm circuit 33 to perform an alarm operation, so as to prompt the user to take away the falling object in time, thereby reducing property loss. Accordingly, when the falling object is taken away, the detection signal is normal and returns to normal, namely the buzzer alarm circuit 24 and/or the LED alarm circuit 33 are closed, the alarm is ended, and the electromagnetic valve 4 is opened.

Preferably, the main control board 2 is further configured to adjust a frequency of the infrared transmitting circuit 31 sending the infrared signal to the outside and a frequency of the infrared receiving circuit 32 receiving the detection signal according to the detection signal.

For example, when the microcontroller 22 does not find the detection signal is abnormal, the infrared transmitting circuit 31 is driven to transmit an infrared signal outwards in real time, and the infrared receiving circuit 32 is driven to receive the frequency of the detection signal in real time; when the microcontroller 22 finds that the detection signal is abnormal, the infrared transmitting circuit 31 is driven to intermittently transmit the infrared signal outwards, and the infrared receiving circuit 32 is driven to intermittently receive the frequency of the detection signal, so that whether the falling object entering the toilet body 1 is taken away or not is detected, and the power consumption is reduced.

The following describes embodiments of the present invention in further detail with reference to specific circuit diagrams:

1. power supply voltage stabilizing circuit

As shown in fig. 3, the power supply voltage stabilizing circuit 21 includes a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, and a voltage stabilizing chip N1; the input end VIN of the voltage stabilization chip N1 is connected with a +12V power supply and is grounded through a first capacitor C1 and a second capacitor C2, the output end Vout of the voltage stabilization chip N1 is connected with the microcontroller 22 and is grounded through a third capacitor C3 and a fourth capacitor C4, and the ground end GND of the voltage stabilization chip N1 is grounded.

It should be noted that the power supply voltage stabilizing circuit 21 can convert the 12V power supply into 5V power supply, so as to implement effective voltage reduction of the power supply and provide a stable voltage for the microcontroller 22.

2. Micro-controller

As shown in fig. 4, the microcontroller 22 is provided with a power port VDD, a first control port RA0, a second control port RA1, a third control port RA2, a fourth control port RC0, a fifth control port RC2 and a sixth control port RC5; the microcontroller 22 is connected to the output end of the power supply voltage stabilizing circuit 21 through a power port VDD, connected to the infrared receiving circuit 32 through a first control port RA0, connected to and controlling the infrared emitting circuit 31 through a second control port RA1, powered by the infrared receiving circuit 32 through a third control port RA2, connected to and controlling the driving circuit 23 through a fourth control port RC0, connected to and controlling the buzzer alarm circuit 24 through a fifth control port RC2, and connected to and controlling the LED alarm circuit 33 through a sixth control port RC 5.

3. Driving circuit

As shown in fig. 5, the driving circuit 23 includes a third transistor Q3, a tenth resistor R10 and an eleventh resistor R11, wherein a base of the third transistor Q3 is connected to the microcontroller 22 through the tenth resistor R10, an emitter thereof is grounded through the eleventh resistor R11, and a collector thereof is connected to the solenoid valve 4 through the interface J1.

4. Buzzer alarm circuit

As shown in fig. 6, the buzzer alarm circuit 24 includes a second triode Q2, an eighth resistor R8, a ninth resistor R9 and a buzzer BUZ1, wherein the base of the second triode Q2 is connected to the microcontroller 22 through the eighth resistor R8, the emitter is grounded through the ninth resistor R9, and the collector is connected to the buzzer BUZ1.

5. Infrared ray emission circuit

As shown in fig. 7, the infrared transmitting circuit 31 includes a first triode Q1, an infrared transmitting tube VD1, a sixth resistor R6 and a seventh resistor R7, wherein the base of the first triode Q1 is connected to the microcontroller 22 through the sixth resistor R6, the emitter is grounded through the seventh resistor R7, and the collector is connected to the +12V power supply through the infrared transmitting tube VD 1.

6. Infrared receiving circuit

As shown in fig. 8, the infrared receiving circuit 32 includes an operational amplifier N3, an infrared receiving tube VD2, a fifth capacitor C5, a sixth capacitor C6, a first resistor R1, a second resistor R2, a third resistor 3, a fourth resistor R4, and a fifth resistor R5; the non-inverting input end of the operational amplifier N3 is grounded through a second resistor R2 and is connected with the anode of an infrared receiving tube VD2 through a fifth capacitor C5, the anode of the infrared receiving tube VD2 is grounded through a first resistor R1, and the cathode of the infrared receiving tube VD2 is connected with the main control board 2; the inverting input end of the operational amplifier N3 is connected with one end of the fourth resistor R4 and one end of the sixth capacitor C6, and is grounded through the third resistor R3; the output end of the operational amplifier N3 is connected to the other end of the fourth resistor R4 and the other end of the sixth capacitor C6, and is connected to the main control board 2 through the fifth resistor R5.

7. LED alarm circuit

As shown in fig. 9, the LED alarm circuit 33 includes a light emitting diode VD3 and a thirteenth resistor R13, wherein the anode of the light emitting diode VD3 is connected to the microcontroller 22 through the thirteenth resistor R13, and the cathode is grounded.

It should be noted that, since different objects can generate different infrared radiation signals, a reference signal can be set by the operational amplifier N3, and then the infrared radiation signal and the reference signal are operated to output a corresponding detection signal; the microcontroller 22 then determines whether the detection signal is within a predetermined range, and if so, the falling object is water or feces, and if not, the falling object is a foreign object. Further, a logic judgment circuit may be disposed in the microcontroller 22 to realize the above functions, or the above functions may be realized by the prior art, for example, the patents cn202010313126.X and CN202210230786.0 realize article classification by infrared radiation signals). Preferably, the microcontroller 22 has a model number PIC16LF18323, but is not limited thereto as long as the judgment control function can be realized.

As can be seen from fig. 3 to 9, the microcontroller 22 controls the infrared transmitting circuit 31 to operate through the second control port RA1, supplies power to the infrared receiving circuit 32 through the third control port RA2, and receives the detection signal collected by the infrared receiving circuit 32 through the first control port RA 0; according to the detection signal difference of different object reflections, when microcontroller 22 detects that the signal is not water or when the article beyond the excrement and urine, microcontroller 22 keeps the off-state through fourth control port RC0 through drive circuit 23 control solenoid valve 4, in order to avoid the foreign matter to block up the closestool, simultaneously through fifth control port RC2 control buzzer warning circuit, send audible alarm suggestion, and through sixth control port RC5 control LED warning circuit 33 flashing light, in order to indicate the user in time to take article away, reduce loss of property.

Correspondingly, when the microcontroller 22 detects that the signal is not water or other articles except feces, the microcontroller 22 can respectively control the infrared transmitting circuit 31 and the infrared receiving circuit 32 to work once by the second control port RA1 and the third control port RA2 at intervals of a certain time, thereby detecting whether a foreign object is taken away or not and reducing power consumption; when the object is removed, the detection signal received by the microcontroller 22 returns to normal, the alarm is ended, and the solenoid valve 4 is opened.

Referring to fig. 10, fig. 10 shows a schematic structural view of a second embodiment of the toilet bowl for preventing falling objects from blocking, which is different from the first embodiment shown in fig. 1 in that, in this embodiment, the sensor 3 is an electromagnetic sensor, and the electromagnetic sensor and the main control board 2 are both disposed on the outer wall of the sewage outlet of the toilet bowl body 1.

It should be noted that, when the electromagnetic induction mode is adopted for detection, the main control board 2 and the electromagnetic sensor can be integrated together and installed on the outer wall of the sewage outlet, so that the whole installation of the toilet is simpler. Meanwhile, metal falling objects (such as a mobile phone, a watch, a car key and the like) can be quickly detected, and effective detection of foreign matters is realized.

To sum up, through the embodiment of the utility model provides a but real-time detection whether has unusual whereabouts thing to switching state through the mode switching delivery port of 4 on-off states of control solenoid valve, thereby avoid unusual whereabouts thing to block up the closestool, reduce loss of property.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A closestool capable of preventing falling object from being blocked is characterized by comprising a closestool body, a main control board, a sensor and an electromagnetic valve;

the sensor is connected with the main control board and used for detecting a falling object entering the closestool body and sending a detection signal to the main control board;

the electromagnetic valve is arranged at a water outlet at the bottom of the closestool body and connected with the main control board, and the electromagnetic valve is used for switching the opening and closing state of the water outlet;

the main control panel is used for controlling the opening and closing state of the electromagnetic valve according to the detection signal so as to switch the opening and closing state of the water outlet.

2. The toilet bowl capable of preventing blockage due to falling objects of claim 1, wherein the main control board comprises a power supply voltage stabilizing circuit, a microcontroller and a driving circuit;

the power supply voltage stabilizing circuit is connected with the microcontroller and is used for performing voltage stabilizing treatment on a power supply so as to supply power to the microcontroller;

the driving circuit is respectively connected with the microcontroller and the electromagnetic valve and is used for controlling the opening and closing state of the electromagnetic valve.

3. The toilet of claim 2, wherein the main control board further comprises a buzzer alarm circuit connected to the microcontroller, the buzzer alarm circuit configured to send an audible alarm signal.

4. The toilet bowl capable of preventing blockage by falling objects according to claim 1, wherein the sensor comprises an infrared sensor, the infrared sensor is arranged at the bottom of a seat ring of the toilet bowl body, and the main control board is arranged on a cover plate of the toilet bowl body.

5. The closestool capable of preventing falling object blockage according to claim 1, wherein the sensor comprises an electromagnetic sensor, and the electromagnetic sensor and the main control board are both arranged on the outer wall of a sewage outlet of the closestool body.

6. The toilet of claim 4, wherein the infrared sensor comprises an infrared emitting circuit and an infrared receiving circuit;

the infrared transmitting circuit is connected with the main control board and is used for sending an infrared signal outwards;

the infrared receiving circuit is connected with the main control board, the main control board is used for supplying power to the infrared receiving circuit, and the infrared receiving circuit is used for receiving the detection signal and sending the detection signal to the main control board.

7. The closestool of claim 6, wherein the infrared receiving circuit comprises an operational amplifier, an infrared receiving tube, a fifth capacitor, a sixth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor and a fifth resistor;

the non-inverting input end of the operational amplifier is grounded through the second resistor and is connected with the anode of the infrared receiving tube through the fifth capacitor, the anode of the infrared receiving tube is grounded through the first resistor, and the cathode of the infrared receiving tube is connected with the main control board;

the inverting input end of the operational amplifier is connected with one end of the fourth resistor and one end of the sixth capacitor and is grounded through the third resistor;

the output end of the operational amplifier is connected with the other end of the fourth resistor and the other end of the sixth capacitor and is connected with the main control board through the fifth resistor.

8. The toilet of claim 6, wherein the infrared sensor further comprises an LED alarm circuit connected to the main control board, the LED alarm circuit configured to send a visual alarm signal.

9. The toilet bowl capable of preventing the falling object from being blocked according to claim 6, wherein the main control board is further used for adjusting the frequency of the infrared transmitting circuit for transmitting the infrared signal outwards and the frequency of the infrared receiving circuit for receiving the detection signal according to the detection signal.

10. The fall-resistant toilet of claim 1, wherein said solenoid valve is a pilot-operated solenoid valve.