CN215838656U - Low-pressure induction heating toilet seat - Google Patents
Low-pressure induction heating toilet seat Download PDFInfo
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- CN215838656U CN215838656U CN202120753953.0U CN202120753953U CN215838656U CN 215838656 U CN215838656 U CN 215838656U CN 202120753953 U CN202120753953 U CN 202120753953U CN 215838656 U CN215838656 U CN 215838656U
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Abstract
The utility model discloses a low-voltage induction heating toilet seat ring, which comprises an upper shell, a lower shell and a cavity formed by the upper shell and the lower shell, and is characterized in that a seat ring control circuit and a seat ring heating assembly are arranged in the cavity; the seat ring heating assembly comprises a heating element, a heat conducting element, a first fixing element and a temperature controller, the heat conducting element is fixed on the inner surface of the upper shell through the first fixing element, and the heating element is abutted against the heat conducting element; the seat ring control circuit comprises a microcontroller, a sitting detection circuit, a heating drive circuit, a power supply circuit, a communication circuit, a temperature detection circuit and a voltage stabilizing circuit. By adopting the utility model, the problem of potential safety hazard in heating use can be avoided, the occurrence of heating use safety accidents is prevented, and better heating use safety guarantee is provided for people. Meanwhile, the circuit provided by the utility model has the advantages of simple structure and low manufacturing cost.
Description
Technical Field
The utility model relates to the field of bathrooms, in particular to a low-voltage induction heating toilet seat.
Background
At present, a seat ring of a toilet main machine has the functions of seat ring heating and seat ring induction, a heating scheme mainly adopts an alternating current power supply mode of directly supplying power by mains supply to provide an alternating current heating power supply for a heating wire, however, the existing seat ring electric heater adopting 220V alternating current to heat the heating wire is easy to have the potential safety hazard problem of electric leakage in use and even causes the occurrence of use safety accidents; the landing induction adopts independent modules, so that the wire rods are more, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a low-voltage induction heating toilet seat which can reduce the potential safety hazard of electric leakage and has the advantages of simple circuit and low cost.
In order to solve the technical problem, the utility model provides a low-voltage induction heating toilet seat ring, which comprises an upper shell, a lower shell and a cavity formed by the upper shell and the lower shell, and is characterized in that a seat ring control circuit and a seat ring heating assembly are arranged in the cavity; the seat ring heating assembly comprises a heating element, a heat conducting element, a first fixing element and a temperature controller, the heat conducting element is fixed on the inner surface of the upper shell through the first fixing element, and the heating element is abutted against the heat conducting element; seat circle control circuit includes microcontroller, takes a seat detection circuitry, heating drive circuit, power supply circuit, communication circuit, temperature detection circuitry and voltage stabilizing circuit, take a seat detection circuitry, temperature detection circuitry and communication circuit all with microcontroller electric connection, the heating member passes through heating drive circuit with microcontroller electric connection, power supply circuit passes through voltage stabilizing circuit respectively with temperature detection circuitry and microcontroller electric connection, power supply circuit passes through the temperature controller with heating member electric connection, communication circuit with microcontroller electric connection.
Preferably, the heating drive circuit includes triode, first resistance and second resistance, the base of triode passes through first resistance with microcontroller electric connection, the projecting pole ground connection of triode, the collecting electrode of triode with heating member electric connection, the base of triode still passes through second resistance ground connection.
Preferably, the temperature detection circuit comprises an NTC sensor and a third resistor, one end of the NTC sensor is connected with the microcontroller and is electrically connected with the voltage stabilizing circuit through the third resistor, the other end of the NTC sensor is grounded, and the NTC sensor is attached to the heat conducting element.
Preferably, the seating detection circuit includes a fourth resistor, a sensing element and a second fixing element, the sensing element is fixed on the inner surface of the upper housing through the second fixing element, and the sensing element is electrically connected to the microcontroller through the fourth resistor.
Preferably, the voltage stabilizing circuit comprises a voltage stabilizing chip, a first filter circuit and a second filter circuit, the input end of the voltage stabilizing chip is electrically connected with the power supply circuit through the first filter circuit, and the output end of the voltage stabilizing chip is electrically connected with the microcontroller and the third resistor through the second filter circuit respectively.
Preferably, the communication circuit comprises a communication terminal and a fifth resistor, the microcontroller is electrically connected with the toilet main unit through the communication terminal, and the communication terminal is grounded through the fifth resistor.
Preferably, the heating members are direct current heating wires, and the heating members are uniformly distributed on the heat conducting member.
Preferably, the heat-conducting member is an aluminum foil.
Preferably, the first fixing piece and the second fixing piece are double-sided adhesive tapes.
Preferably, the induction component is a circuit board coated with copper or copper foil or aluminum foil.
The beneficial effects of the implementation of the utility model are as follows:
the heating element and the heat conducting element transfer heat to the upper shell, so that the toilet seat is heated, the temperature detection circuit detects real-time temperature, so that temperature setting is realized, the sitting detection circuit detects whether a person uses the toilet, and when the person is detected to sit, the heating element is driven to heat through the heating driving circuit, so that intelligent sitting induction heating is realized. The utility model adopts a 12V or 24V direct current power supply, thereby avoiding the potential safety hazard problem of heating use, preventing the occurrence of heating use safety accidents and providing better heating use safety guarantee for people. Meanwhile, the circuit provided by the utility model has the advantages of simple structure and low manufacturing cost. The heating element and the power supply circuit can be disconnected through the temperature controller when the temperature is too high or short circuit occurs, and the safety performance of the circuit is further improved.
Drawings
FIG. 1 is a schematic view of the structure of the upper housing of a low pressure induction heating toilet seat provided by the present invention;
FIG. 2 is a schematic view of the construction of the lower housing of the low pressure induction heating toilet seat provided by the present invention;
FIG. 3 is a schematic block diagram of the electrical connections of the low pressure induction heated toilet seat provided by the present invention;
FIG. 4 is a schematic diagram of the electrical circuit for the low pressure induction heated toilet seat provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.
As shown in fig. 1 to 3, the utility model provides a low-voltage induction heating toilet seat, which comprises an upper shell 1, a lower shell 2 and a cavity 3 formed by the upper shell 1 and the lower shell 2, and is characterized in that a seat control circuit 4 and a seat heating assembly 5 are arranged in the cavity 3; the seat ring heating assembly 5 comprises a heating member 51, a heat conducting member 52, a first fixing member (not shown) and a temperature controller 54, wherein the heat conducting member 52 is fixed on the inner surface of the upper shell 1 through the first fixing member 53, and the heating member 51 is abutted against the heat conducting member 52; the seat ring control circuit 4 comprises a microcontroller 41, a seat detection circuit 42, a heating drive circuit 43, a power supply circuit 44, a communication circuit 45, a temperature detection circuit 46 and a voltage stabilizing circuit 47, wherein the seat detection circuit 42, the temperature detection circuit 46 and the communication circuit 45 are electrically connected with the microcontroller 41, a heating element 51 is electrically connected with the microcontroller 41 through the heating drive circuit 43, the power supply circuit 44 is electrically connected with the temperature detection circuit 46 and the microcontroller 41 through the voltage stabilizing circuit 47, the power supply circuit 44 is electrically connected with the heating element 51 through a temperature controller 54, and the communication circuit 45 is electrically connected with the microcontroller 41.
In the present invention, the heating member 51 and the heat-conducting member 52 transfer heat to the upper case 1 to heat the toilet seat, the temperature detection circuit detects a real-time temperature to set a temperature, the seating detection circuit 42 detects whether or not a person uses the toilet, and the heating drive circuit 43 drives the heating member 51 to heat when a person is seated, thereby achieving intelligent seating induction heating. The utility model adopts a 12V or 24V direct current power supply, thereby avoiding the potential safety hazard problem of heating use, preventing the occurrence of heating use safety accidents and providing better heating use safety guarantee for people. Meanwhile, the circuit provided by the utility model has the advantages of simple structure and low manufacturing cost. The heating element and the power supply circuit can be disconnected through the temperature controller when the temperature is too high or short circuit occurs, and the safety performance of the circuit is further improved.
As shown in fig. 4, preferably, the heating driving circuit 43 includes a transistor (preferably, but not limited to, the transistor of the present invention is selected as STU 9916), a first resistor R2, and a second resistor R3, wherein a base of the transistor is electrically connected to the microcontroller 41(3 port) through the first resistor R2, an emitter of the transistor is grounded, a collector of the transistor is electrically connected to the heating element 51 (the heating element 51 is connected to the circuit through the J2 terminal), and a base of the transistor is also connected to the ground through the second resistor R3.
It should be noted that the microcontroller adopted in the present invention may adopt a single chip microcomputer. The singlechip integrates various components such as an arithmetic unit, a controller, a memory, an input/output device and the like, and realizes various functions such as signal processing, data storage and the like. For example, an arithmetic unit includes a large number of comparison circuits, and can perform logical operation processing on a received signal instruction. Preferably, the single chip microcomputer can adopt models including but not limited to PIC12F 615. The heating element is driven to heat by driving the triode, so that the heating element has the advantage of simple structure, and the microcontroller can be protected by the triode to avoid burning.
Further, the temperature detecting circuit 46 includes an NTC sensor RS (461) and a third resistor R5, one end of the NTC sensor RS is connected to the microcontroller 41(7 port) and electrically connected to the voltage stabilizing circuit 47 through the third resistor R5, the other end of the NTC sensor RS is grounded, and the NTC sensor RS is attached to the heat conducting member 52.
It should be noted that, according to the present invention, the NTC sensor RS (461) can accurately measure the heating temperature of the upper housing, so as to provide a proper temperature experience for a user.
Preferably, the seating detection circuit 42 includes a fourth resistor R6, a sensing element 421 and a second fixing member (not shown), the sensing element 421 is fixed on the inner surface of the upper housing by the second fixing member, and the sensing element 421 is electrically connected to the microcontroller (5 port, PAD) through the fourth resistor R6.
It should be noted that, the present invention can detect whether a person sits on the toilet seat through the sensing assembly, and has the advantage of simple structure, and the microcontroller can be effectively protected through the fourth resistor.
Preferably, the voltage stabilizing circuit 47 includes a voltage stabilizing chip (preferably, the type of the voltage stabilizing chip adopted in the present invention is 78L05, but not limited thereto), a first filter circuit (in parallel with the capacitors C1 and C2) and a second filter circuit (in parallel with the capacitors C3 and C4), an input end of the voltage stabilizing chip is electrically connected to the power supply circuit ( pins 1 and 3 of the connection terminal J1) through the first filter circuit, and an output end of the voltage stabilizing chip is electrically connected to the microcontroller (the resistor R4, the chip 4 port and the chip 1 port) and the third resistor R5 through the second filter circuit, respectively.
It should be noted that, the noise in the power supply circuit can be effectively filtered by the first filter circuit and the second filter circuit, so that the stability of the power supply process is improved.
Further, the communication circuit 45 includes a communication terminal (2 pins of a connection terminal J1) through which the microcontroller (2 port) is electrically connected to the toilet bowl host, and a fifth resistor R1, and the communication terminal is also grounded through the fifth resistor R1.
It should be noted that the seat ring control circuit 4 provided by the utility model establishes signal connection with an external toilet host through the communication terminal, and can communicate with the core main board to realize adjustment of the seat ring heating gear and uploading of the sitting state to the core main board.
Preferably, the heating members 51 are direct current heating wires, and the heating members 51 are uniformly distributed on the heat-conducting member 52.
It should be noted that, in order to heat the upper shell 1 uniformly, the present invention avoids the outer shell from being deformed or cracked due to nonuniform heating.
Further, the heat-conducting member 52 is an aluminum foil.
It should be noted that the heat conducting member 51 provided by the present invention is an aluminum foil, which has the advantages of light weight and square meter installation, but is not limited thereto.
Preferably, the first fixing member (not shown) and the second fixing member (not shown) are double-sided tapes.
It should be noted that, the first fixing element (not shown) and the second fixing element (not shown) provided by the present invention are double-sided tapes, but are not limited thereto, and the double-sided tapes have high practicability and long service life.
Preferably, the sensing component 421 is a circuit board coated with copper or copper foil or aluminum foil.
It should be noted that the electric field of the circuit board coated with copper or copper foil or aluminum foil can penetrate through the upper casing 1, and after a user sits on the toilet seat, the capacitance of the casing 1 can be changed when the body of the user is attached to the toilet seat, so that the microcontroller 41 can detect that a human body sits on the toilet seat.
In summary, the seat ring heating control, temperature detection and seating sensing circuit is integrated, and the seating sensing circuit is realized by detecting capacitance change through a series resistor at an IO port of a microcontroller. The functional module is integrated, the volume is small, the wire rods are few, the 3P wire is electrically connected with the main control board of the main machine of the closestool, and the two 2P wires are respectively connected with the heating wire and the temperature sensor; the closestool has an independent control function, cannot stop working due to the abnormity of the main control panel of the closestool host, and is strong in independence; meanwhile, the closestool main machine has the advantages of simple function and assembly, for example, a user only needs the seat ring heating function, and then the user can supply power to the seat ring by externally connecting a power supply without matching with a high-price closestool main machine main control board, so that the closestool main machine is high in flexibility. The seat ring heating wire adopts a safe direct current 12V or 24V heating wire, so that the problem of potential safety hazard in heating use is avoided, heating use safety accidents are prevented from occurring, and better heating use safety guarantee is provided for people.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A low-voltage induction heating toilet seat ring comprises an upper shell, a lower shell and a cavity formed by the upper shell and the lower shell, and is characterized in that a seat ring control circuit and a seat ring heating assembly are arranged in the cavity;
the seat ring heating assembly comprises a heating element, a heat conducting element, a first fixing element and a temperature controller, the heat conducting element is fixed on the inner surface of the upper shell through the first fixing element, and the heating element is abutted against the heat conducting element;
seat circle control circuit includes microcontroller, takes a seat detection circuitry, heating drive circuit, power supply circuit, communication circuit, temperature detection circuitry and voltage stabilizing circuit, take a seat detection circuitry, temperature detection circuitry and communication circuit all with microcontroller electric connection, the heating member passes through heating drive circuit with microcontroller electric connection, power supply circuit passes through voltage stabilizing circuit respectively with temperature detection circuitry and microcontroller electric connection, power supply circuit passes through the temperature controller with heating member electric connection, communication circuit with microcontroller electric connection.
2. The low voltage induction heating toilet seat according to claim 1, wherein the heating driving circuit comprises a transistor, a first resistor and a second resistor, wherein a base of the transistor is electrically connected to the microcontroller through the first resistor, an emitter of the transistor is grounded, a collector of the transistor is electrically connected to the heating element, and a base of the transistor is also grounded through the second resistor.
3. The low voltage induction heating toilet seat according to claim 2, wherein the temperature detection circuit comprises an NTC sensor and a third resistor, one end of the NTC sensor is connected to the microcontroller and electrically connected to the voltage stabilizing circuit through the third resistor, the other end of the NTC sensor is grounded, and the NTC sensor is attached to the heat conductive member.
4. The low pressure induction heating toilet seat according to claim 3, wherein said seating detection circuit comprises a fourth resistor, a sensing element and a second fastener, said sensing element being secured to an inner surface of said upper housing by said second fastener, said sensing element being electrically connected to said microcontroller by said fourth resistor.
5. The low voltage induction heating toilet seat according to claim 4, wherein the voltage regulator circuit comprises a voltage regulator chip, a first filter circuit and a second filter circuit, wherein an input terminal of the voltage regulator chip is electrically connected to the power supply circuit through the first filter circuit, and an output terminal of the voltage regulator chip is electrically connected to the microcontroller and the third resistor through the second filter circuit, respectively.
6. The low voltage induction heating toilet seat according to claim 5, wherein said communication circuit comprises a communication terminal through which said microcontroller is electrically connected to a toilet main unit and a fifth resistor through which said communication terminal is grounded.
7. The low pressure induction heating toilet seat according to claim 6, wherein said heating member is a dc heating wire, and said heating member is uniformly distributed on said heat conductive member.
8. The low pressure induction heating toilet seat according to claim 7, wherein said heat conducting member is aluminum foil.
9. The low pressure induction heating toilet seat according to claim 8, wherein said first and second fixtures are double sided adhesive.
10. The low pressure induction heating toilet seat according to claim 9, wherein said induction component is a circuit board coated with copper or copper foil or aluminum foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120753953.0U CN215838656U (en) | 2021-04-13 | 2021-04-13 | Low-pressure induction heating toilet seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120753953.0U CN215838656U (en) | 2021-04-13 | 2021-04-13 | Low-pressure induction heating toilet seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215838656U true CN215838656U (en) | 2022-02-18 |
Family
ID=80318784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120753953.0U Active CN215838656U (en) | 2021-04-13 | 2021-04-13 | Low-pressure induction heating toilet seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215838656U (en) |
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2021
- 2021-04-13 CN CN202120753953.0U patent/CN215838656U/en active Active
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