CN216904405U - Bath control circuit and intelligent toilet - Google Patents
Bath control circuit and intelligent toilet Download PDFInfo
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- CN216904405U CN216904405U CN202123324719.5U CN202123324719U CN216904405U CN 216904405 U CN216904405 U CN 216904405U CN 202123324719 U CN202123324719 U CN 202123324719U CN 216904405 U CN216904405 U CN 216904405U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
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- Sanitary Device For Flush Toilet (AREA)
Abstract
The utility model discloses a flushing control circuit and an intelligent toilet, comprising: input unit, power supply unit, processing unit and execution unit are connected, input unit includes key circuit, power supply unit includes diode D1, diode D2, switch tube Q1 and triode Q2, diode D1's positive pole is used for connecting the commercial power, diode D2's positive pole is used for connecting the battery, diode D1's negative pole with diode D2's negative pole link together and with key circuit connects, diode D2's negative pole and switch tube Q1's source electrode are connected, switch tube Q1's drain electrode with processing unit, execution unit connect, switch tube Q1's grid with triode Q2's collecting electrode is connected, triode Q2's emitter ground, triode Q2's base with key circuit connects. The intelligent pedestal pan without the water tank can flush without commercial power.
Description
Technical Field
The utility model relates to the technical field of intelligent bathrooms, in particular to a flushing control circuit and an intelligent toilet.
Background
The intelligent toilet without water tank is a water saving toilet without water tank and washed with city tap water, and can distinguish the amount of excrement and water intelligently and clean the toilet properly. No water tank formula intelligent toilet on the existing market can't wash by water under the condition of no commercial power.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, a main object of the present invention is to provide a flushing control circuit, which enables a tank-less intelligent toilet to flush without using commercial power.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a flush control circuit, comprising: the system comprises an input unit, a power supply unit, a processing unit and an execution unit, wherein the processing unit is connected with the execution unit, the power supply unit is connected with the input unit, the processing unit and the execution unit, and the input unit comprises a key circuit;
the power supply unit includes diode D1, diode D2, switch tube Q1 and triode Q2, diode D1's positive pole is used for connecting the commercial power conversion module, diode D2's positive pole is used for connecting the battery, diode D1's negative pole with diode D2's negative pole link together and with key circuit connects, diode D2's negative pole and switch tube Q1's source connection, switch tube Q1's drain electrode with processing unit, execution unit connect, switch tube Q1's grid with triode Q2's collecting electrode is connected, triode Q2's emitter ground connection, triode Q2's base with key circuit connects.
Further, the power supply unit includes a bootstrap circuit, an input end of the bootstrap circuit is connected to the processing unit, and an output end of the bootstrap circuit is connected to a base of the transistor Q2.
Further, the bootstrap circuit includes a diode D4, a capacitor C2, and a resistor R4, an anode of the diode D4 is connected to the output terminal of the processing unit, and a cathode of the diode D4 is connected to the base of the transistor Q2 through the capacitor C2 and the resistor R4 in sequence.
Further, the key circuit includes diode D7, resistance R9, the bath key interface, resistance R8, resistance R7, resistance R3, diode D3, VCC end is connected to diode D7's positive pole, diode D7's negative pole pass through resistance R9 with the first end of bath key interface is connected, the second end of bath key interface pass through resistance R8 with the first end of resistance R7, diode D3's anodal connection, diode D3's negative pole pass through resistance R3 with triode Q2's base is connected.
Further, the processing unit includes singlechip U1, the execution unit includes bath drive chip U4, singlechip U1 with bath drive chip U4 is connected, bath drive chip U4 is connected with injection pulse valve interface and wall brush pulse valve interface.
Further, the power supply unit comprises a power conversion chip U2 and a power conversion chip U3, the drain of the switch tube Q1 is connected with the flushing driving chip U4 through the power conversion chip U2, and the drain of the switch tube Q1 is connected with the single chip microcomputer U1 through the power conversion chip U3.
Further, the single chip microcomputer U1 adopts an R5F1026A chip, a VDD pin of the single chip microcomputer U1 is connected with an output end of the power supply conversion chip U3, and a P4.1 pin of the single chip microcomputer U1 is connected with an anode of the diode D4.
Further, the flushing driving chip U4 adopts a PN7715 flushing driving chip, a first output pin OUT1 and a second output pin OUT2 of the flushing driving chip are connected with the jet pulse valve interface, and a third output pin OUT3 and a fourth output pin OUT4 of the flushing driving chip are connected with the wall brush pulse valve interface.
Furthermore, the input unit also comprises a remote control receiving circuit and a serial communication circuit, and the remote control receiving circuit and the serial communication circuit are connected with the processing unit.
The utility model also provides an intelligent toilet bowl which comprises a wall brushing pulse valve, an injection pulse valve and the flushing control circuit, wherein the wall brushing pulse valve is connected with the wall brushing pulse valve interface, and the injection pulse valve is connected with the injection pulse valve interface.
The utility model has the beneficial effects that:
the power supply unit comprises a diode D1, a diode D2, a switching tube Q1 and a triode Q2, wherein the anode of the diode D1 is used for being connected with commercial power, the anode of the diode D2 is used for being connected with a battery, the cathode of the diode D1 is connected with the cathode of the diode D2 and connected with the key circuit, the cathode of the diode D2 is connected with the source of the switching tube Q1, and the drain of the switching tube Q1 is connected with the processing unit and the execution unit. Under the condition of no commercial power, the utility model uses the electric energy of the battery to flush water; when the commercial power is available, only the commercial power is used, and the electric energy of the battery is not lost. In the process of flushing by using the mains supply, if power is cut off, the utility model can automatically switch to the battery power supply to ensure that the circuit works normally until the flushing is finished and then the circuit is cut off.
Drawings
FIG. 1 is a circuit schematic of the flush control circuit of the present invention.
Detailed Description
Referring to fig. 1, the present invention relates to a flush control circuit, which includes: the system comprises an input unit, a power supply unit, a processing unit and an execution unit, wherein the processing unit is connected with the execution unit, the power supply unit is connected with the input unit, the processing unit and the execution unit, and the input unit comprises a key circuit;
the power supply unit includes diode D1, diode D2, switch tube Q1 and triode Q2, diode D1's positive pole is used for connecting the commercial power conversion module, diode D2's positive pole is used for connecting the battery, diode D1's negative pole with diode D2's negative pole link together and with key circuit connects, diode D2's negative pole and switch tube Q1's source connection, switch tube Q1's drain electrode with processing unit, execution unit connect, switch tube Q1's grid with triode Q2's collecting electrode is connected, triode Q2's emitter ground, triode Q2's base with key circuit connects.
Under the condition of no commercial power, the utility model uses the electric energy of the battery to flush water; when the commercial power is available, only the commercial power is used, and the electric energy of the battery is not lost. In the process of flushing by using the mains supply, if power is cut off, the utility model can automatically switch to the battery power supply to ensure that the circuit works normally until the flushing is finished and then the circuit is cut off.
In the non-flushing state, the switching tube Q1 is in the off state, and the electric power of the commercial power or the battery is not lost.
Further, the power supply unit comprises a bootstrap circuit, an input end of the bootstrap circuit is connected with the processing unit, and an output end of the bootstrap circuit is connected with a base electrode of the transistor Q2;
in the above scheme, the bootstrap circuit outputs a high level to keep the switching tube Q1 in a conducting state when the bootstrap circuit is used for flushing water until the flushing task is completed; the bootstrap circuit outputs low level to turn off the switching tube Q1 and cut off the power supply.
Further, the bootstrap circuit includes a diode D4, a capacitor C2, and a resistor R4, an anode of the diode D4 is connected to the output terminal of the processing unit, and a cathode of the diode D4 is connected to the base of the transistor Q2 through the capacitor C2 and the resistor R4 in sequence.
Further, the key circuit includes diode D7, resistance R9, the washing key interface, resistance R8, resistance R7, resistance R3, diode D3, VCC end is connected to diode D7's positive pole, diode D7's negative pole pass through resistance R9 with the first end of washing key interface is connected, the second end of washing key interface pass through resistance R8 with the first end of resistance R7, diode D3's positive pole are connected, diode D3's negative pole pass through resistance R3 with triode Q2's base is connected.
Further, the processing unit comprises a single chip microcomputer U1, the execution unit comprises a flushing driving chip U4, the single chip microcomputer U1 is connected with the flushing driving chip U4, and the flushing driving chip U4 is connected with an injection pulse valve interface and a wall brush pulse valve interface.
Further, the power supply unit comprises a power conversion chip U2 and a power conversion chip U3, the drain of the switch tube Q1 is connected with the flushing driving chip U4 through the power conversion chip U2, and the drain of the switch tube Q1 is connected with the single chip microcomputer U1 through the power conversion chip U3.
Further, the single chip microcomputer U1 adopts an R5F1026A chip, a VDD pin of the single chip microcomputer U1 is connected with an output end of the power conversion chip U3, and a P4.1 pin of the single chip microcomputer U1 is connected with an anode of the diode D4.
Further, the flushing driving chip U4 adopts a PN7715 flushing driving chip, a first output pin OUT1 and a second output pin OUT2 of the flushing driving chip are connected with the injection pulse valve interface, and a third output pin OUT3 and a fourth output pin OUT4 of the flushing driving chip are connected with the wall brush pulse valve interface.
Furthermore, the input unit further comprises a remote control receiving circuit and a serial communication circuit, and the remote control receiving circuit and the serial communication circuit are connected with the processing unit.
The working principle of the flushing control circuit is as follows:
when the button H2 is pressed, 12V voltage (mains supply conversion module) or 9V voltage (battery) is divided by the resistor R7, the resistor R8 and the resistor R9, the voltage of about 2V is provided at the anode of the diode D3, the voltage is divided by the resistor R3 and the resistor R4 after the forward voltage drop of the diode D3, and finally the voltage exceeding 0.7V is provided at the base of the triode Q2, so that the triode Q2 enters a conducting state, and the switching tube Q1 is turned on.
When the switch Q1 is turned on, a 12V voltage (mains supply conversion module) or a 9V voltage (battery) supplies power to the processing unit and the execution unit through the power conversion chip U3 and the power conversion chip U2, respectively.
When the processing unit is powered on, the self-detection circuit is turned on (the port P4.1 outputs high level), so that the triode Q2 is continuously in a conducting state, and the switch tube Q1 is kept in an open state; and after the flushing task is finished, the self-checking circuit is closed (the P4.1 port outputs low level), so that the triode Q2 is cut off, the switch tube Q1 is closed, and the power supply is cut off.
The utility model also provides an intelligent toilet bowl which comprises a wall brushing pulse valve, an injection pulse valve and the flushing control circuit, wherein the wall brushing pulse valve is connected with the wall brushing pulse valve interface, and the injection pulse valve is connected with the injection pulse valve interface.
The intelligent toilet bowl executes the flushing task flow as follows:
opening a brush wall pulse valve (P2.3 outputs high level and P1.0 outputs low level, and P2.3 and P1.0 output low level after 40 milliseconds); opening the injection pulse valve after 4 seconds (P2.1 outputs low and P2.2 outputs high, P2.1 and P2.2 outputs low after 40 milliseconds); the wall brushing pulse valve is closed after 0.5 second (P2.3 outputs low level and P1.0 outputs high level, and P2.3 and P1.0 outputs low level after 40 milliseconds); closing the injection pulse valve after 5 seconds (P2.1 outputs low and P2.2 outputs high, P2.1 and P2.2 outputs low after 40 milliseconds); simultaneously opening a wall brushing pulse valve (P2.3 outputs high level and P1.0 outputs low level, and P2.3 and P1.0 output low level after 40 milliseconds); after 5 seconds, the brush wall pulse valve is closed (P2.3 outputs low and P1.0 outputs high, and P2.3 and P1.0 outputs low after 40 milliseconds).
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.
Claims (10)
1. A flush control circuit, comprising: the system comprises an input unit, a power supply unit, a processing unit and an execution unit, wherein the processing unit is connected with the execution unit, the power supply unit is connected with the input unit, the processing unit and the execution unit, and the input unit comprises a key circuit;
the power supply unit includes diode D1, diode D2, switch tube Q1 and triode Q2, diode D1's positive pole is used for connecting the commercial power conversion module, diode D2's positive pole is used for connecting the battery, diode D1's negative pole with diode D2's negative pole link together and with key circuit connects, diode D2's negative pole and switch tube Q1's source connection, switch tube Q1's drain electrode with processing unit, execution unit connect, switch tube Q1's grid with triode Q2's collecting electrode is connected, triode Q2's emitter ground, triode Q2's base with key circuit connects.
2. The flush control circuit of claim 1, wherein: the power supply unit comprises a bootstrap circuit, the input end of the bootstrap circuit is connected with the processing unit, and the output end of the bootstrap circuit is connected with the base electrode of the triode Q2.
3. A flush control circuit as claimed in claim 2, wherein: the bootstrap circuit comprises a diode D4, a capacitor C2 and a resistor R4, wherein the anode of the diode D4 is connected with the output end of the processing unit, and the cathode of the diode D4 is connected with the base of the triode Q2 through the capacitor C2 and the resistor R4 in sequence.
4. A flush control circuit as claimed in claim 3, wherein: the keying circuit includes diode D7, resistance R9, bath key interface, resistance R8, resistance R7, resistance R3, diode D3, VCC end is connected to diode D7's positive pole, diode D7's negative pole pass through resistance R9 with the first end of bath key interface is connected, the second end of bath key interface pass through resistance R8 with resistance R7's first end, diode D3's anodal connection, diode D3's negative pole pass through resistance R3 with triode Q2's base is connected.
5. The flush control circuit of claim 4, wherein: the processing unit comprises a single chip microcomputer U1, the execution unit comprises a flushing drive chip U4, the single chip microcomputer U1 is connected with the flushing drive chip U4, and the flushing drive chip U4 is connected with an injection pulse valve interface and a wall brush pulse valve interface.
6. The flush control circuit of claim 5, wherein: the power supply unit comprises a power supply conversion chip U2 and a power supply conversion chip U3, the drain electrode of the switch tube Q1 is connected with the flushing drive chip U4 through the power supply conversion chip U2, and the drain electrode of the switch tube Q1 is connected with the single chip microcomputer U1 through the power supply conversion chip U3.
7. The flush control circuit of claim 6, wherein: the single chip microcomputer U1 adopts an R5F1026A chip, a VDD pin of the single chip microcomputer U1 is connected with an output end of the power conversion chip U3, and a P4.1 pin of the single chip microcomputer U1 is connected with an anode of the diode D4.
8. The flush control circuit of claim 7, wherein: the flushing driving chip U4 adopts a PN7715 flushing driving chip, a first output pin OUT1 and a second output pin OUT2 of the flushing driving chip are connected with the injection pulse valve interface, and a third output pin OUT3 and a fourth output pin OUT4 of the flushing driving chip are connected with the wall brush pulse valve interface.
9. The flush control circuit of claim 1, wherein: the input unit further comprises a remote control receiving circuit and a serial communication circuit, and the remote control receiving circuit and the serial communication circuit are connected with the processing unit.
10. The utility model provides an intelligent toilet bowl which characterized in that: comprising a wiper pulse valve connected to the wiper pulse valve port, an injection pulse valve connected to the injection pulse valve port, and a flush control circuit according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123324719.5U CN216904405U (en) | 2021-12-27 | 2021-12-27 | Bath control circuit and intelligent toilet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123324719.5U CN216904405U (en) | 2021-12-27 | 2021-12-27 | Bath control circuit and intelligent toilet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216904405U true CN216904405U (en) | 2022-07-05 |
Family
ID=82209782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123324719.5U Active CN216904405U (en) | 2021-12-27 | 2021-12-27 | Bath control circuit and intelligent toilet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216904405U (en) |
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2021
- 2021-12-27 CN CN202123324719.5U patent/CN216904405U/en active Active
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