CN112305958A - Intelligent drinking water filtering circuit - Google Patents

Intelligent drinking water filtering circuit Download PDF

Info

Publication number
CN112305958A
CN112305958A CN202011074348.7A CN202011074348A CN112305958A CN 112305958 A CN112305958 A CN 112305958A CN 202011074348 A CN202011074348 A CN 202011074348A CN 112305958 A CN112305958 A CN 112305958A
Authority
CN
China
Prior art keywords
resistor
twenty
controller
capacitor
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202011074348.7A
Other languages
Chinese (zh)
Other versions
CN112305958B (en
Inventor
王磊
周宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing College of Electronic Engineering
Original Assignee
Chongqing College of Electronic Engineering
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing College of Electronic Engineering filed Critical Chongqing College of Electronic Engineering
Priority to CN202011074348.7A priority Critical patent/CN112305958B/en
Publication of CN112305958A publication Critical patent/CN112305958A/en
Application granted granted Critical
Publication of CN112305958B publication Critical patent/CN112305958B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25257—Microcontroller

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention provides an intelligent drinking water filtering circuit which comprises a controller, wherein a power supply input end of the controller is connected with a power supply output end of a power supply module; the data detection input end of the controller is connected with the detection signal output end of the detection module; the indicating output end of the controller is connected with the indicating signal input end of the indicating module; and the driving output end of the controller is connected with the driving signal input end of the driving module.

Description

Intelligent drinking water filtering circuit
Technical Field
The invention relates to the technical field of water treatment, in particular to an intelligent drinking water filtering circuit.
Background
With the improvement of living standard of people, the requirement of people on the purity of drinking water is higher and higher. At present, purified water becomes drinking water commonly used by people. City tap water for citizens comes from surface rainwater and river water accumulated in reservoirs and lakes. The water source of these tap water is polluted to various degrees, and bacteria, viruses and substances harmful to the human body on the surface of the earth are concentrated. In order to remove impurities harmful to human body from tap water. Ensure the health of human body, a filtering equipment facility capable of effectively purifying the quality of drinking water is urgently needed.
Disclosure of Invention
The invention aims to at least solve the technical problems in the prior art, and particularly provides an intelligent drinking water filtering circuit which can effectively filter various impurities in water.
In order to achieve the above purpose, the invention provides an intelligent drinking water filtering circuit, which comprises a controller, a power supply input end of the controller is connected with a power supply output end of a power supply module; the data detection input end of the controller is connected with the detection signal output end of the detection module; the indicating output end of the controller is connected with the indicating signal input end of the indicating module; and the driving output end of the controller is connected with the driving signal input end of the driving module.
In the scheme, the method comprises the following steps: the power supply module comprises a voltage reduction chip and a first voltage stabilizer, and the high-voltage input end of the voltage reduction chip is connected with the cathode of a twelfth diode; the anode of the twelfth diode is connected with one end of the twenty-fifth wiring row, and the other end of the twenty-fifth wiring row is connected with a power ground; the low-voltage output end of the voltage reduction chip is connected with one end of the third inductor and the cathode of the thirteenth diode, and the anode of the thirteenth diode is connected with the power ground; the feedback end of the voltage reduction chip is connected with the other end of the third inductor and one end of the twenty-fourth capacitor, and the other end of the twenty-fourth capacitor is connected with the power ground;
the power supply input end of the first voltage stabilizer is connected with the other end of the third inductor, one end of a thirteenth capacitor and one end of an eleventh capacitor, the power supply output end of the first voltage stabilizer is connected with one end of a twelfth capacitor, one end of a fourteenth capacitor, one end of a fifteenth capacitor, one end of a sixteenth capacitor, one end of a seventeenth capacitor, one end of an eighteenth capacitor, one end of a nineteenth capacitor, one end of a twentieth capacitor, one end of a twenty-first capacitor and one end of a forty-ninth resistor, the other end of the forty-ninth resistor is connected with the anode of a third light-emitting diode, and the cathode; the other end of the thirteenth capacitor, the other end of the eleventh capacitor, the other end of the twelfth capacitor, the other end of the fourteenth capacitor, the other end of the fifteenth capacitor, the other end of the sixteenth capacitor, the other end of the seventeenth capacitor, the other end of the eighteenth capacitor, the other end of the nineteenth capacitor, the other end of the twentieth capacitor and the other end of the twenty-first capacitor are all connected with the grounding end of the first voltage stabilizer and the power ground.
In the scheme, the method comprises the following steps: the driving module comprises one or any combination of a water making pump driving circuit, a water taking pump driving circuit, a water inlet driving circuit, a flushing driving circuit, a reverse osmosis water taking driving circuit, a deionization water taking driving circuit and a drainage driving circuit;
the controller water making pump control output end is connected with the input end of the water making pump driving circuit, the controller water taking pump control output end is connected with the input end of the water taking pump driving circuit, and the controller water inlet control output end is connected with the input end of the water inlet driving circuit; the flushing control output end of the controller is connected with the input end of the flushing driving circuit; the reverse osmosis water taking control output end of the controller is connected with the input end of the reverse osmosis water taking driving circuit; the deionization water taking control output end of the controller is connected with the input end of a deionization water taking drive circuit; the controller drainage control output end is connected with the input end of the drainage driving circuit.
In the scheme, the method comprises the following steps: the water making pump driving circuit comprises a twenty-second resistor, one end of the twenty-second resistor is connected with a water making pump control output end of the controller, the other end of the twenty-second resistor is connected with a base electrode of an eleventh triode, an emitting electrode of the eleventh triode is grounded, a collector electrode of the eleventh triode is connected with one end of an eighth relay winding, an anode of an eighth diode and a cathode of a first light emitting diode, the other end of the eighth relay winding and the cathode of the eighth diode are connected with one end of a twenty-fifth wiring row, an anode of the first light emitting diode is connected with one end of a twenty-sixth resistor, and the other end of the twenty-sixth resistor is connected;
the contact point common end of the eighth relay is connected with one end of the twenty-fifth wiring row, the normally open end of the contact point is connected with one end of the seventeenth wiring row, and the other end of the seventeenth wiring row is connected with a power ground;
the water taking pump driving circuit comprises a twenty-third resistor, one end of the twenty-third resistor is connected with the control output end of the water taking pump of the controller, the other end of the twenty-third resistor is connected with the base electrode of a twelfth triode, the emitting electrode of the twelfth triode is grounded, the collecting electrode of the twelfth triode is connected with one end of a ninth relay winding, the anode of a ninth diode and the cathode of a second light emitting diode, the other end of the ninth relay winding and the cathode of the ninth diode are connected with one end of a twenty-fifth wiring row, the anode of the second light emitting diode is connected with one end of a twenty-seventh resistor, and the other end of the twenty-;
and the common end of the ninth relay contact is connected with one end of the twenty-fifth wiring row, the normally open end of the contact is connected with one end of the sixteenth wiring row, and the other end of the sixteenth wiring row is connected with a power ground.
In the scheme, the method comprises the following steps: the water inlet driving circuit comprises a thirty-second resistor, one end of the thirty-second resistor is connected with a water inlet control output end of the controller, the other end of the thirty-second resistor is connected with one end of a thirty-first resistor and a base electrode of a thirteenth diode, the emitter electrode of the thirteenth diode and the other end of the thirty-first resistor are both connected with a power ground, the collector electrode of the thirteenth diode is connected with the cathode of a third light emitting diode and the grid electrode of a twentieth MOS (metal oxide semiconductor) tube, the source electrode of the twentieth MOS tube is connected with one end of a twenty-fifth wiring row and one end of a thirty-third resistor, the drain electrode of the twentieth MOS tube is connected with one end of a twenty-second wiring row, the other end of the;
the flushing driving circuit comprises a thirty-fifth resistor, one end of the thirty-fifth resistor is connected with a flushing control output end of the controller, the other end of the thirty-fifth resistor is connected with one end of a thirty-fourth resistor and a base electrode of an eleventh triode, an emitting electrode of the eleventh triode and the other end of the thirty-fourth resistor are both connected with a power ground, a collector electrode of the eleventh triode is connected with a cathode of a fourth light emitting diode and a grid electrode of a twenty-first MOS (metal oxide semiconductor) transistor, a source electrode of the twenty-first MOS transistor is connected with one end of a twenty-fifth wiring row and one end of a thirty-sixth resistor, a drain electrode of the twenty-first MOS transistor is connected with one end of the twenty-first wiring row, the other end of the twenty-;
the reverse osmosis water taking driving circuit comprises a thirty-eighth resistor, one end of the thirty-eighth resistor is connected with a reverse osmosis water taking control output end of the controller, the other end of the thirty-eighth resistor is connected with one end of a thirty-seventh resistor and a base electrode of a twelfth triode, an emitting electrode of the twelfth triode and the other end of the thirty-seventh resistor are both connected with a power ground, a collector electrode of the twelfth triode is connected with a negative electrode of a fifth light emitting diode and a grid electrode of a twenty-second MOS (metal oxide semiconductor) tube, a source electrode of the twenty-second MOS tube is connected with one end of a twenty-fifth wiring row and one end of a thirty-ninth resistor, a drain electrode of the twenty-second MOS tube is connected with one end of a twentieth wiring row;
the deionization water taking driving circuit comprises a forty-first resistor, one end of the forty-first resistor is connected with a controller deionization water taking control output end, the other end of the forty-first resistor is connected with one end of the forty-first resistor and the base of a thirteenth triode, the emitter of the thirteenth triode and the other end of the forty-first resistor are both connected with a power ground, the collector of the thirteenth triode is connected with the cathode of a sixth light emitting diode and the grid of a twenty-third MOS (metal oxide semiconductor) tube, the source of the twenty-third MOS tube is connected with one end of a twenty-fifth wiring row and one end of a forty-second resistor, the drain of the twenty-third MOS tube is connected with one end of a nineteenth wiring row, the other end of the nineteenth wiring row is;
the drainage driving circuit comprises a forty-fourth resistor, one end of the forty-fourth resistor is connected with the drainage control output end of the controller, the other end of the forty-fourth resistor is connected with one end of a forty-third resistor and the base of a fourteenth triode, the emitter of the fourteenth triode and the other end of the forty-third resistor are both connected with a power ground, the collector of the fourteenth triode is connected with the cathode of a seventh light emitting diode and the grid of a twenty-fourth MOS (metal oxide semiconductor) tube, the source of the twenty-fourth MOS tube is connected with one end of a twenty-fifth connecting row and one end of a forty-fifth resistor, the drain of the twenty-fourth MOS tube is connected with one end of an eighteenth connecting row, the other end of the eighteenth connecting row is connected with the.
In the scheme, the method comprises the following steps: the detection module comprises one or any combination of a water pressure detection circuit, a liquid level detection circuit and a water quality detection circuit;
the hydraulic pressure detection circuit comprises an optical coupler, the positive electrode of the optical coupler is connected with one end of a twelfth line bank and one end of a twenty-ninth resistor, the other end of the twelfth line bank is connected with a power ground, the other end of the twenty-ninth resistor is connected with the other end of a third inductor, the negative electrode of the optical coupler is connected with the power ground, one end of an optical coupler output loop is connected with one end of a twenty-eighth resistor and the hydraulic pressure detection input end of the controller, and the other end of the twenty-eighth resistor is connected with the power; the grounding end of the optical coupler output loop is connected with a power ground;
the liquid level detection circuit comprises a liquid level sensor, the working voltage input end of the liquid level sensor is connected with the other end of the third inductor, the liquid level signal output end of the liquid level sensor is connected with one end of a thirty-seventh resistor, the other end of the thirty-seventh resistor is connected with the liquid level signal input end of the controller and one end of a thirty-eighth resistor, and the other end of the thirty-eighth resistor is connected with a power ground; the power supply ground end of the liquid level sensor is connected with the power supply ground;
the water quality detection circuit comprises a double operational amplifier, wherein a first out-of-phase input end of the double operational amplifier is connected with one end of a fortieth resistor and a collector of a thirteenth triode, the other end of the fortieth resistor is connected with the other end of a third inductor, an emitter of the thirteenth triode is connected with a power ground, a base of the thirteenth triode is connected with one end of a thirty-ninth resistor, the other end of the thirty-ninth resistor is connected with a first water quality driving output end of a controller, and a first out-of-phase input end and a first output end of the double operational amplifier are both connected with a; the grounding end of the double operational amplifier is connected with a power ground;
the second in-phase input end of the double operational amplifier is connected with one end of a forty-first resistor and the collector of a fourteenth triode, the other end of the forty-first resistor is connected with the other end of a third inductor, the emitter of the fourteenth triode is connected with a power ground, the base of the fourteenth triode is connected with one end of a forty-second resistor, the other end of the forty-second resistor is connected with a second water quality driving output end of the controller, and a second out-of-phase input end and a second output end of the double operational amplifier are both connected with a driving signal input end of a second water; the water quality detection device comprises a first water quality detection module, a second water quality detection module, a controller and a controller, wherein the first water quality detection module and the second water quality detection module are used for detecting RO reverse osmosis water quality detection and UP ultrapure water quality detection respectively, the detection signal output end of the first water quality detection module is connected with the first water quality detection signal input end of the controller, and the detection signal output end of the second water quality detection module is connected with the second water quality detection signal input end of the controller.
In the scheme, the method comprises the following steps: the detection module further comprises a water leakage detection circuit, the water leakage detection circuit comprises a voltage comparator, a first comparison signal input end of the voltage comparator is connected with one end of a fifteenth wiring row and one end of a seventh capacitor, the other end of the seventh capacitor is connected with a power ground, the water leakage detector is connected through the fifteenth wiring row, the other end of the fifteenth wiring row is connected with one end of a thirty-fifth resistor, the other end of the thirty-fifth resistor is connected with the other end of a third inductor, a second comparison signal input end of the voltage comparator is connected with a power output end of a first voltage stabilizer, a comparison signal output end of the voltage comparator is connected with a water leakage detection signal input end of a controller and one end of a thirty-sixth resistor, and the other end of the thirty-sixth resistor is connected; and the power supply end of the voltage comparator is connected with the other end of the third inductor, and the power supply end of the voltage comparator is connected with the power ground.
In the scheme, the method comprises the following steps: the indicating module comprises one or any combination of an operation indicating circuit, a fault feedback indicating circuit and a verification indicating circuit;
the operation indicating circuit comprises a seventh resistor, one end of the seventh resistor is connected with the operation indicating output end of the controller, the other end of the seventh resistor is connected with the base electrode of the first triode, the emitting electrode of the first triode is connected with the power ground, the collecting electrode of the first triode is connected with one end of the ninth wiring bar, the other end of the ninth wiring bar is connected with one end of the eighth resistor, and the other end of the eighth resistor is connected with the other end of the third inductor;
the fault feedback indicating circuit comprises a twelfth resistor, one end of the twelfth resistor is connected with the operation indicating output end of the controller, the other end of the twelfth resistor is connected with the base electrode of a fifth triode, the emitting electrode of the fifth triode is connected with the power ground, the collecting electrode of the fifth triode is connected with one end of a tenth wiring bar, the other end of the tenth wiring bar is connected with one end of a sixteenth resistor, and the other end of the sixteenth resistor is connected with the other end of a third inductor;
the twenty-fourth resistor is connected with the other end of the third inductor, and the other end of the fourth resistor is connected with the other end of the third inductor.
In the scheme, the method comprises the following steps: the circuit also comprises a first crystal oscillator circuit or/and a second crystal oscillator circuit;
the first crystal oscillator circuit comprises a first crystal oscillator, one end of the first crystal oscillator is connected with a first crystal oscillator input end of the controller, one end of a thirtieth resistor and one end of a third capacitor, the other end of the third capacitor is connected with a power ground, the other end of the thirtieth resistor is connected with the other end of the first crystal oscillator and one end of a fourth capacitor, the other end of the fourth capacitor is connected with the power ground, and the other end of the first crystal oscillator is connected with a first crystal oscillator output end of the controller;
the second crystal oscillator circuit comprises a second crystal oscillator, one end of the second crystal oscillator is connected with the input end of the second crystal oscillator of the controller and one end of a fifth capacitor, the other end of the fifth capacitor is connected with a power ground, the other end of the second crystal oscillator is connected with the output end of the second crystal oscillator of the controller and one end of a sixth capacitor, and the other end of the sixth capacitor is connected with the power ground.
In the scheme, the method comprises the following steps: still include reset circuit, reset circuit includes first button, and controller reset signal input end, forty eighth resistance one end and tenth electric capacity one end are connected to first button one end, and the tenth electric capacity one end all connects power ground with the first button other end, and the first stabiliser power output end is connected to the forty eighth resistance other end.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: can stably and effectively filter, detect and flush water quality to produce purified water meeting drinking standards, improve the quality of water and ensure the health and safety of people.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a system diagram of the present invention;
FIG. 2 is a circuit diagram of the controller of the present invention;
FIG. 3 is a circuit diagram of the water intake drive circuit of the present invention;
FIG. 4 is a circuit diagram of the flush driver circuit of the present invention;
FIG. 5 is a circuit diagram of a reverse osmosis water intake drive circuit of the present invention;
FIG. 6 is a circuit diagram of the deionization water intake drive circuit of the present invention;
FIG. 7 is a circuit diagram of a drain drive circuit of the present invention;
fig. 8 is a circuit diagram of a fresh water pump driving circuit of the present invention;
fig. 9 is a circuit diagram of a water intake pump driving circuit of the present invention;
FIG. 10 is a circuit diagram of the liquid level detection circuit of the present invention;
FIG. 11 is a circuit diagram of a water pressure detecting circuit of the present invention;
FIG. 12 is a circuit diagram of a water leak detection circuit of the present invention;
FIG. 13 is a circuit diagram of a water quality detecting circuit of the present invention;
FIG. 14 is a circuit diagram of the operation indicating circuit of the present invention;
FIG. 15 is a circuit diagram of the fault feedback indication circuit of the present invention;
FIG. 16 is a circuit diagram of a validation instruction circuit of the present invention;
FIG. 17 is a circuit diagram of a buck chip of the present invention;
FIG. 18 is a circuit diagram of a voltage regulator module of the present invention;
FIG. 19 is an overall flow chart of the present invention;
FIG. 20 is a diagram illustrating a boot process of the present invention;
FIG. 21 is a schematic view of the water producing process of the present invention;
FIG. 22 is a schematic view of the liquid level control of the present invention;
FIG. 23 is a schematic diagram of the menu operation of the present invention;
FIG. 24 is another schematic diagram of the menu operation of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 18, an intelligent drinking water filtering circuit includes a controller U1, a power input terminal of the controller U1 is connected to a power supply output terminal of a power module; the data detection input end of the controller U1 is connected with the detection signal output end of the detection module; the indicating output end of the controller U1 is connected with the indicating signal input end of the indicating module; the driving output end of the controller U1 is connected with the driving signal input end of the driving module.
The power supply module comprises a voltage reduction chip U9 and a first voltage stabilizer U8, wherein the high-voltage input end of the voltage reduction chip U9 is connected with the cathode of a twelfth diode D12, one end of a twenty-second capacitor C22 and one end of a twenty-third capacitor C23, and the other ends of the twenty-second capacitor C22 and the twenty-third capacitor C23 are connected with the power ground; the anode of the twelfth diode D12 is connected with one end of the twenty-fifth wiring row P25, and the other end of the twenty-fifth wiring row P25 is connected with the power ground; the low-voltage output end of the voltage reduction chip U9 is connected with one end of a third inductor L3 and the cathode of a thirteenth diode D13, and the anode of the thirteenth diode D13 is connected with the power ground; the feedback end of the voltage reduction chip U9 is connected with the other end of the third inductor L3 and one end of a twenty-fourth capacitor C24, and the other end of the twenty-fourth capacitor C24 is connected with the power ground; the other end of the third inductor L3 is connected to the power input terminal of the second voltage regulator U7,
a power supply input end of a first voltage stabilizer U8 is connected to the other end of the third inductor L3, one end of a thirteenth capacitor C13 and one end of an eleventh capacitor C11, a power supply output end of the first voltage stabilizer U8 is connected to one end of a twelfth capacitor C12, one end of a fourteenth capacitor C14, one end of a fifteenth capacitor C15, one end of a sixteenth capacitor C16, one end of a seventeenth capacitor C17, one end of an eighteenth capacitor C18, one end of a nineteenth capacitor C19, one end of a twentieth capacitor C20, one end of a twenty-first capacitor C21 and one end of a forty-ninth resistor R49, the other end of the forty-ninth resistor R49 is connected to the anode of the third light emitting diode LED3, and the cathode of the third light; the other end of the thirteenth capacitor C13, the other end of the eleventh capacitor C11, the other end of the twelfth capacitor C12, the other end of the fourteenth capacitor C14, the other end of the fifteenth capacitor C15, the other end of the sixteenth capacitor C16, the other end of the seventeenth capacitor C17, the other end of the eighteenth capacitor C18, the other end of the nineteenth capacitor C19, the other end of the twentieth capacitor C20 and the other end of the twenty-first capacitor C21 are all connected with the ground terminal of the first voltage stabilizer U8 and the power ground.
The driving module comprises one or any combination of a water making pump driving circuit, a water taking pump driving circuit, a water inlet driving circuit, a flushing driving circuit, a reverse osmosis water taking driving circuit, a deionization water taking driving circuit and a drainage driving circuit.
The control output end of a water making pump of the controller U1 is connected with the input end of a water making pump driving circuit, the control output end of a water taking pump of the controller U1 is connected with the input end of a water taking pump driving circuit, and the water inlet control output end of the controller U1 is connected with the input end of the water inlet driving circuit; the flushing control output end of the controller U1 is connected with the input end of the flushing drive circuit; the reverse osmosis water taking control output end of the controller U1 is connected with the input end of the reverse osmosis water taking driving circuit; the deionization water taking control output end of the controller U1 is connected with the input end of a deionization water taking drive circuit; the drainage control output end of the controller U1 is connected with the input end of the drainage driving circuit.
The water making pump driving circuit comprises a twenty-second resistor R22, one end of a twenty-second resistor R22 is connected with a control output end of a water making pump of a controller U1, the other end of the twenty-second resistor R22 is connected with a base electrode of an eleventh triode Q11, an emitting electrode of the eleventh triode Q11 is grounded, a collector electrode of the eleventh triode Q11 is connected with one end of a winding of an eighth relay K8, an anode of an eighth diode D8 and a cathode of a first light emitting diode LED1, the other end of the winding of the eighth relay K8 and the cathode of an eighth diode D8 are connected with one end of a twenty-fifth wiring row P25, an anode of the first light emitting diode LED1 is connected with one end of a twenty-sixth resistor R26, and the other end of the twenty-sixth resistor R36;
the common end of a contact of the eighth relay K8 is connected with one end of a twenty-fifth wiring row P25, the normally open end of the contact is connected with one end of a seventeenth wiring row P17, and the other end of the seventeenth wiring row P17 is connected with a power ground; the power end of the water making pump is connected with the seventeenth wiring row P17.
The water taking pump driving circuit comprises a twenty-third resistor R23, one end of the twenty-third resistor R23 is connected with the control output end of a water taking pump of a controller U1, the other end of the twenty-third resistor R23 is connected with the base of a twelfth triode Q12, the emitter of the twelfth triode Q12 is grounded, the collector of the twelfth triode Q12 is connected with one end of a winding of a ninth relay K9, the anode of a ninth diode D9 and the cathode of a second light emitting diode LED2, the other end of the winding of the ninth relay K9 and the cathode of the ninth diode D9 are connected with one end of a twenty-fifth wiring row P25, the anode of the second light emitting diode LED2 is connected with one end of a twenty-seventh resistor R27, and the other end of the twenty-seventh resistor R27;
the contact common end of the ninth relay K9 is connected with one end of a twenty-fifth wiring row P25, the normally open end of the contact is connected with one end of a sixteenth wiring row P16, and the other end of the sixteenth wiring row P16 is connected with the power ground.
The water inlet driving circuit comprises a thirty-second resistor R32, one end of a thirty-second resistor R32 is connected with a water inlet control output end of a controller U1, the other end of the thirty-second resistor R32 is connected with one end of a thirty-first resistor R31 and the base of a thirteenth diode Q10, the emitters of the thirteenth diode Q10 and the other end of the thirty-first resistor R31 are both connected with the power ground, the collector of the thirteenth diode Q10 is connected with the cathode of a third light emitting diode LED3 and the gate of a twentieth MOS tube Q20, the source of the twentieth MOS tube Q20 is connected with one end of a twenty-fifth wiring row P25 and one end of a thirty-third resistor R33, the drain of the twentieth MOS tube Q20 is connected with one end of a twenty-second wiring row 686P 8, a water inlet driving signal is output by the twenty-second wiring row P22, the other end of the twenty-second wiring row P22 is connected with the power ground;
the flushing driving circuit comprises a thirty-fifth resistor R35, one end of a thirty-fifth resistor R35 is connected with a flushing control output end of the controller U1, the other end of the thirty-fifth resistor R35 is connected with one end of a thirty-fourth resistor R34 and the base of an eleventh triode Q11, the emitter of the eleventh triode Q11 and the other end of the thirty-fourth resistor R34 are both connected with the power ground, the collector of the eleventh triode Q11 is connected with the negative electrode of a fourth light emitting diode LED4 and the grid of a twenty-first MOS tube Q21, the source of the twenty-first MOS tube Q21 is connected with one end of a twenty-fifth wiring row P25 and one end of a thirty-sixth resistor R36, the drain of the twenty-first MOS tube Q21 is connected with one end of a twenty-first wiring row 686P 8, a flushing driving signal is output by the twenty-first wiring row P21, the other end of the twenty-first wiring row P21 is connected with the power ground;
the reverse osmosis water taking driving circuit comprises a thirty-eighth resistor R38, one end of a thirty-eighth resistor R38 is connected with a controller U1 reverse osmosis water taking control output end, the other end of the thirty-eighth resistor R38 is connected with one end of a thirty-seventh resistor R37 and the base of a twelfth triode Q12, the emitter of the twelfth triode Q12 and the other end of the thirty-seventh resistor R37 are both connected with a power ground, the collector of the twelfth triode Q12 is connected with the cathode of a fifth light emitting diode LED5 and the grid of a twenty-second MOS tube Q22, the source of the twenty-second MOS tube Q22 is connected with one end of a twenty-fifth wiring row P25 and one end of a thirty-ninth resistor R39, the drain of the twelfth MOS tube Q22 is connected with one end of a twentieth wiring row P20, a twenty-second wiring row P20 outputs a reverse osmosis driving signal, the other end of the twentieth wiring row P20 is connected with the power ground, and the;
the deionization water taking driving circuit comprises a forty-first resistor R41, one end of a forty-first resistor R41 is connected with a deionization water taking control output end of a controller U1, the other end of the forty-first resistor R41 is connected with one end of a forty-first resistor R40 and the base of a thirteenth triode Q13, the emitter of the thirteenth triode Q13 and the other end of the forty-first resistor R40 are both connected with a power ground, the collector of the thirteenth triode Q13 is connected with the cathode of a sixth light emitting diode LED6 and the grid of a twenty-third MOS tube Q23, the source of the twenty-third MOS tube Q23 is connected with one end of a twenty-fifth wiring row P25 and one end of a forty-second resistor R42, the drain of the twenty-thirteenth MOS tube Q23 is connected with one end of a nineteenth wiring row P19, a deionization water taking driving signal is output by the nineteenth wiring row P19, the other end of the nineteenth wiring row P19 is connected with the power;
the drain driving circuit comprises a forty-fourth resistor R44, one end of the forty-fourth resistor R44 is connected with a drain control output end of the controller U1, the other end of the forty-fourth resistor R44 is connected with one end of a forty-third resistor R43 and the base of a fourteenth triode Q14, the emitter of the fourteenth triode Q14 and the other end of the forty-third resistor R43 are both connected with a power ground, the collector of the fourteenth triode Q14 is connected with the cathode of a seventh light-emitting diode LED7 and the grid of a twenty-fourth MOS tube Q24, the source of the twenty-fourteenth MOS tube Q24 is connected with one end of a twenty-fifth wiring row P25 and one end of a forty-fifth resistor R45, the drain of the twenty-fourth MOS tube Q24 is connected with one end of an eighteenth wiring row P18, a drain driving signal is output by the eighteenth wiring row P18, the other end of the eighteenth wiring row P18 is connected with the power ground, and the other.
The detection module comprises one or any combination of a water pressure detection circuit, a liquid level detection circuit and a water quality detection circuit.
The hydraulic pressure detection circuit comprises an optical coupler U2, the positive electrode of the optical coupler U2 is connected with one end of a twelfth wiring row P12 and one end of a twenty-ninth resistor R29, the other end of the twelfth wiring row P12 is connected with a power ground, the other end of the twenty-ninth resistor R29 is connected with the other end of a third inductor L3, the negative electrode of the optical coupler U2 is connected with the power ground, one end of an output loop of an optical coupler U2 is connected with one end of a twenty-eighth resistor R28 and a hydraulic pressure detection input end of a controller U1, and the other end of the twenty-eighth resistor R28 is connected with a power output end of; the output loop grounding end of the optical coupler U2 is connected with the power ground;
the liquid level detection circuit comprises a liquid level sensor U5, the working voltage input end of the liquid level sensor U5 is connected with the other end of the third inductor L3, the liquid level signal output end of the liquid level sensor U5 is connected with one end of a thirty-seventh resistor R37, the other end of the thirty-seventh resistor R37 is connected with the liquid level signal input end of a controller U1 and one end of a thirty-eighth resistor R38, and the other end of the thirty-eighth resistor R38 is connected with a power ground; the power supply ground end of the liquid level sensor U5 is connected with the power supply ground;
the water quality detection circuit comprises a double operational amplifier U6, wherein a first non-inverting input end of the double operational amplifier U6 is connected with one end of a forty-first resistor R40 and a collector of a thirteenth triode Q13, the other end of the forty-first resistor R40 is connected with the other end of a third inductor L3, an emitter of the thirteenth triode Q13 is connected with a power ground, a base of the thirteenth triode Q13 is connected with one end of a thirty-ninth resistor R39, the other end of the thirty-ninth resistor R39 is connected with a first water quality driving output end of a controller U1, and a first out-phase input end and a first output end of the double operational amplifier U6 are both connected with a first water quality detection; the grounding end of the double operational amplifier U6 is connected with the power ground; the working voltage input end of the double operational amplifier U6 is connected with the feedback end of the second voltage stabilizer U7;
a second in-phase input end of the dual operational amplifier U6 is connected with one end of a forty-first resistor R41 and a collector of a fourteenth triode Q14, the other end of the forty-first resistor R41 is connected with the other end of a third inductor L3, an emitter of the fourteenth triode Q14 is connected with a power ground, a base of a fourteenth triode Q14 is connected with one end of a forty-second resistor R42, the other end of the forty-second resistor R42 is connected with a second water quality driving output end of the controller U1, and a second out-phase input end and a second output end of the dual operational amplifier U6 are both connected with a second water quality detection module driving signal input end; the water quality detection device comprises a first water quality detection module, a second water quality detection module, a controller and a controller, wherein the first water quality detection module and the second water quality detection module are used for detecting RO reverse osmosis water quality detection and UP ultrapure water quality detection respectively, the detection signal output end of the first water quality detection module is connected with the first water quality detection signal input end of the controller, and the detection signal output end of the second water quality detection module is connected with the second water quality detection signal input end of the controller.
The detection module further comprises a water leakage detection circuit, the water leakage detection circuit comprises a voltage comparator U4, a first comparison signal input end of the voltage comparator U4 is connected with one end of a fifteenth wiring row P15 and one end of a seventh capacitor C7, the other end of the seventh capacitor C7 is connected with a power ground, the voltage comparator U15 is connected with a water leakage detector through the fifteenth wiring row P15, the other end of a fifteenth wiring row P15 is connected with one end of a thirty-fifth resistor R35, the other end of the thirty-fifth resistor R35 is connected with the other end of a third inductor L3, a second comparison signal input end of the voltage comparator U4 is connected with a power output end of a first voltage stabilizer U5, a comparison signal output end of the voltage comparator U4 is connected with a water leakage detection signal input end of a controller U1 and one end of a thirty-sixth resistor R36, and the other end of the thirty-sixth resistor R; the power supply end of the voltage comparator U4 is connected with the other end of the third inductor L3, and the power supply end of the voltage comparator U4 is connected with the power ground.
The indicating module comprises one or any combination of an operation indicating circuit, a fault feedback indicating circuit and a verification indicating circuit;
the operation indicating circuit comprises a seventh resistor R7, one end of the seventh resistor R7 is connected with an operation indicating output end of a controller U1, the other end of the seventh resistor R7 is connected with a base electrode of a first triode Q1, an emitter electrode of a first triode Q1 is connected with the power ground, a collector electrode of the first triode Q1 is connected with one end of a ninth wire connecting bar P9, the other end of the ninth wire connecting bar P9 is connected with one end of an eighth resistor R8, and the other end of the eighth resistor R8 is connected with the other end of a third inductor L3;
the fault feedback indicating circuit comprises a twelfth resistor R12, one end of the twelfth resistor R12 is connected with the operation indicating output end of the controller U1, the other end of the twelfth resistor R12 is connected with the base electrode of a fifth triode Q5, the emitter electrode of the fifth triode Q5 is connected with the power ground, the collector electrode of the fifth triode Q5 is connected with one end of a tenth wire bank P10, the other end of the tenth wire bank P10 is connected with one end of a sixteenth resistor R16, and the other end of the sixteenth resistor R16 is connected with the other end of a third inductor L3. Connect trouble feedback pilot lamp through tenth row of connecting P10, trouble feedback pilot lamp carries out all kinds of trouble instructions, for example, when liquid level detection circuit detects anhydrous, then flash red light, when the detection circuit that leaks detects when leaking, then bright red light often, when quality of water exceeds standard, filter core life-span is low then flash red light slowly.
The verification indicating circuit comprises a twentieth resistor R20, one end of the twentieth resistor R20 is connected with the operation indicating output end of the controller U1, the other end of the twentieth resistor R20 is connected with the base of a ninth triode Q9, the emitter of the ninth triode Q9 is connected with the power ground, the collector of the ninth triode Q9 is connected with one end of an eleventh wiring row P11, the other end of the eleventh wiring row P11 is connected with one end of a twenty-fourth resistor R24, and the other end of the twenty-fourth resistor R24 is connected with the other end of a third inductor L3.
The circuit also comprises a first crystal oscillator circuit or/and a second crystal oscillator circuit;
the first crystal oscillator circuit comprises a first crystal oscillator Y1, one end of the first crystal oscillator Y1 is connected with a first crystal oscillator input end of a controller U1, one end of a thirtieth resistor R30 and one end of a third capacitor C3, the other end of the third capacitor C3 is connected with a power ground, the other end of the thirtieth resistor R30 is connected with the other end of the first crystal oscillator Y1 and one end of a fourth capacitor C4, the other end of the fourth capacitor C4 is connected with the power ground, and the other end of the first crystal oscillator Y1 is connected with a first crystal oscillator output end of a controller U1;
the second crystal oscillator circuit comprises a second crystal oscillator Y2, one end of the second crystal oscillator Y2 is connected with the input end of the second crystal oscillator of the controller U1 and one end of a fifth capacitor C5, the other end of the fifth capacitor C5 is connected with the power ground, the other end of the second crystal oscillator Y2 is connected with the output end of the second crystal oscillator of the controller U1 and one end of a sixth capacitor C6, and the other end of the sixth capacitor C6 is connected with the power ground.
The reset signal input end of the controller U1 is also connected with a reset circuit, the reset circuit comprises a first button S1, one end of the first button S1 is connected with the reset signal input end of the controller U1, one end of a forty-eighth resistor R48 and one end of a tenth capacitor C10, one end of the tenth capacitor C10 and the other end of the first button S1 are both connected with the power ground, and the other end of the forty-eighth resistor R48 is connected with the power output end of the first voltage stabilizer U8. The internal working voltage end of the controller U1 is connected with one end of a first inductor L1, the other end of the first inductor L1 is connected with the power output end of a first voltage stabilizer U8, the public connection voltage end of the controller U1 is connected with one end of a second inductor L2, one end of a second inductor L2 is connected with the power ground, the power supply input end of a battery of the controller U1 is connected with one end of a thirty-fourth resistor R34, the other end of the thirty-fourth resistor R34 is connected with the anode of the battery BT1 and the cathode of a twelfth polar tube D10, the anode of the twelfth polar tube D10 is connected with the power output end of the first voltage stabilizer U8, and the cathode of the battery BT 46.
The controller U1 is STM32F103RBT6, and the dual operational amplifier U6 is LM 358; the model of the voltage reduction chip U9 is LM2576, the model of the first voltage stabilizer U8 is AMS1117, the model of the second voltage stabilizer U8 is LM2576, the model of the liquid level sensor U5 is MS5803, and the model of the double-voltage comparator U4 is LM 393.
The working method of the intelligent drinking water filtering circuit comprises the following steps as shown in fig. 19 to 24:
s1, starting the water purifying equipment, initializing the water purifying equipment, and acquiring basic information of a water source and feedback information of whether each component of the equipment works normally;
s2, if the water source information and the equipment information are normal, the water quality purification treatment is carried out through the water making process, and S3 is executed after the treatment is finished;
s3, after water quality is purified, a water taking process is carried out, water level information is obtained, a liquid level threshold value is set, and a water taking action is executed;
and S4, setting working parameters of the water body in the water taking process, and performing drinking water filtering operation through cooperative control to finish the water quality purification process.
Preferably, the S1 includes:
s1-1, switching on the power supply of the water purifying equipment, starting the water purifying equipment, detecting the water leakage state by the water leakage detecting sensor, judging whether water leakage occurs by the water leakage detecting sensor according to whether a voltage value is generated, if water leakage occurs, always giving an alarm by the buzzing alarm of the water purifying equipment, constantly lighting the alarm indicator lamp, displaying water leakage information on a screen, and not executing a water making process and a water taking process;
s1-2, if there is no water leakage, starting to detect whether there is water pressure, the water pressure is judged by detecting the closing time of LPS1, such as 2S-5S, if there is water pressure in the water supply pipe of the water purifying device, opening the valve A and the valve B for a plurality of times, such as 120S-150S,
s1-3, detecting the LPS1 state again, disconnecting the water supply pipe, judging that the water supply pipe has no water pressure, the alarm indicator lights flash all the time, meanwhile, the buzzer intermittently sounds for a short time, for example, 15s-20s, the screen displays indication information, no water pressure is in a first level, when the water supply pipe obtains water pressure, the signal is in a closed state, the alarm indicator lamp flickers and delays for a plurality of times, the screen displays that the first-level water pressure is normal, closing the valve A and the valve B for a certain time, detecting the state of LPS1, closing the water supply pipe, judging that the water supply pipe has water pressure, the liquid level of the water supply tank of the water purification device is judged, when the liquid level of the water supply tank is higher than a set threshold value, the set threshold is 70% -80%, the a and B valves and LPS1 do not execute any instructions, when the liquid level of the water supply tank is lower than a set threshold value which is 50-70%, performing S2 water making process;
s1-4, if the LPS1 of the detected water body is disconnected for more than a certain time, the alarm indicator lamp flickers all the time, meanwhile, the buzzer sounds for a certain time for a short time, for example, 15S-20S, the screen displays the indication information, no primary water pressure exists, when the water supply pipe obtains the water pressure, the signal is obtained to be in a closed state, the alarm indicator lamp flickers for a certain time, the screen displays that the primary water pressure is normal, and reverse osmosis cleaning is carried out; if the LPS1 is closed after a set time, e.g., 2S-5S, and the a and B valves are opened simultaneously for a number of times, e.g., 120S-150S, then S1-3 is performed.
As shown in fig. 2, preferably, the S2 includes:
s2-1, in the process of water making, if no water pressure is detected, the alarm indicator lamp flickers, the buzzer alarm intermittently and briefly sounds, no primary water pressure is displayed on a screen, the water purifying equipment stops working, and if the LPS1 is closed, the alarm indicator lamp flickers for a certain time, for example, 2S-5S, the screen displays that primary water pressure failure is not displayed any more;
s2-2, executing the reverse osmosis flushing instruction, simultaneously opening the valve A and the valve B, displaying the flushing execution time on a screen in the reverse osmosis flushing process, after executing a plurality of times, such as 60min-120min, after the reverse osmosis flushing is finished, displaying that the reverse osmosis flushing is finished on the screen, then executing the water making process of the water purifying equipment,
s2-3, if the valve A and the valve B are opened simultaneously, the reverse osmosis washing process is not executed, after waiting for a certain time, such as 45S-60S, the reverse osmosis water making process is executed, and the water making operation is executed according to two conditions;
a, delaying a certain time (30-40 s) to start water quality detection, updating data, and displaying the last updated data of the water quality detection on a screen after the water level reaches 100%;
b, when the water quality is detected, when the reverse osmosis value reaches a set value, the set value is 30-99, an alarm indicator lamp is turned on, if the alarm lamp flickers, the reverse osmosis value represents that the reverse osmosis value is higher than the highest value of the set value or lower than the low-high value of the set value, and if the alarm lamp does not flicker, the reverse osmosis value is within the range of the set value;
s2-4, after the water making is finished for a certain time, for example, 1h-2h, the valve B is opened, the water quality A data is not read within 120S, the water making process is continued after the time is over, the water quality A data (resistivity, conductivity and heavy metal ions) are read, multiple reverse osmosis flushing processes are started in the circulating water making process, after the water making is continuously finished for a certain time, the valve B is opened, the checking instruction of the water quality A data is closed, and the purified liquid level is completely purified;
s2-5, performing reverse osmosis flushing setting, setting corresponding threshold ranges for the flushing times and the flushing time, such as 5 seconds of opening and 10 seconds of closing, wherein the opening and closing time can be set, the last opening time is default to 30 seconds, the last opening time of the water purification equipment is set, such as default to 30 seconds, if water is continuously produced for 15 minutes, the flushing B valve is opened, the flushing B valve is closed for 10 seconds after 5 seconds, the flushing B valve is opened for 5 seconds and then closed for 10 seconds, the flushing B valve is opened for 30 seconds and then closed, if water is continuously produced in the water production process, the flushing B valve is opened after 15 minutes is counted again, the flushing B valve is closed for 10 seconds after 5 seconds, the flushing B valve is opened for 5 seconds and then closed for 10 seconds, and the flushing B valve is opened again and then closed after 30.
And S2-6, when the conditions A and B are executed, if the water supply tank of the water purifying device reaches a 100% full state, after a certain time is delayed, for example, 30S-50S, the valve B for washing is opened, the reverse osmosis membrane washing operation is carried out, the reverse osmosis water making process is cancelled, the water making pump A, the valve A for making water and the valve B for washing are closed, the water making process is ended, and if the water level of the water supply tank is judged to be lower than a certain threshold value, for example, 50% -70%, the step S2-1 is executed again.
Preferably, the S3 includes:
s3-1, in the process of water taking, after the liquid level of the water supply tank is lower than a certain threshold value, for example, the liquid level is 5% -10%, the water purifying equipment is stopped, when the liquid level is higher than 5% -10%, a water taking instruction can be executed, the water taking B pump and the water taking C valve are simultaneously opened, reverse osmosis water taking starts to be executed, a certain time, for example, 600S-700S, is counted down, if the liquid level of the water supply tank is lower than 5% -10% in the time period, the water taking B pump and the water taking C valve are simultaneously closed,
s3-2, when the liquid level is higher than 5% -10%, if the water circulation instruction is executed, after a certain time, the water taking B pump and the water quality monitoring are started simultaneously, the water circulation instruction is displayed on a screen, when the water circulation instruction is executed for a certain time, such as 120S-150S, the execution of the water circulation instruction is stopped, and when the water taking B pump and the water quality monitoring are closed simultaneously, the water quality monitoring value at the last stop is displayed on the screen;
s3-3, when the liquid level is higher than 5% -10%, if a water getting instruction is executed, when a water getting B pump, a water quality monitoring and a water getting D valve are opened simultaneously, a screen displays a water getting countdown instruction, and the water getting B pump and the water getting D valve are closed after the water getting B pump, the water quality monitoring and the water getting D valve are opened simultaneously; when the liquid level is lower than 5% -10%, when the water taking B pump, the water quality monitoring and the water taking D valve are closed simultaneously, the screen displays the water quality monitoring value when the water taking B pump and the water taking D valve are stopped finally, and water making action is needed at the moment.
Preferably, the S4 includes:
s4-1, performing drinking water filtering operation through cooperative control, displaying water quality temperature and water level height and running state on a screen, performing water circulation instructions of a water purifying device, setting working instructions, completely displaying the working instructions, reverse osmosis flushing instructions, water tank low liquid level alarm instructions, water tank high liquid level prompt instructions, reverse osmosis water quality alarm instructions, DI water taking time setting instructions, water taking and water making working instruction logs and system time setting instructions;
s4-2, if the reverse osmosis flushing instruction is executed, whether reverse osmosis flushing is executed or not is determined, if not, back flushing is carried out, if yes, reverse osmosis flushing is closed, the instruction is confirmed, reverse osmosis flushing is opened, the execution operation is stored in a working instruction log, if reverse osmosis flushing is executed for multiple times, reverse osmosis flushing is closed for 10S after being opened for 5S, then the reverse osmosis flushing is opened for 30S, the next instruction is confirmed to be entered for reverse osmosis flushing calculation, and if the number of times of flushing is 0, a return instruction is executed;
s4-3, after executing UP water fetching command for a certain time, entering a main selection menu, inputting a password command, if the password is correct, executing S4-4, and if the password is incorrect, returning to continue inputting;
s4-4, displaying a menu switch instruction, resetting the pre-purification column, resetting the fine purification column, resetting the ultraviolet lamp, entering the next working instruction, selecting a storage key to store the setting parameters, returning to the display menu switch, if the password needs to be modified, typing in a verification code, and executing a UP instruction to enter a password modification interface;
s4-5, if the main menu is returned to and pressed and confirmed, a basic menu password instruction and a function menu password instruction are executed after a confirmation verification code is input, and if the corresponding menu password instruction does not modify the task, the main menu is returned at intervals;
s4-6, executing the reverse osmosis flushing water quality instruction, setting the reverse osmosis flushing electrode coefficient, executing the reverse osmosis flushing electrode coefficient value changing instruction, entering the next execution program after setting, executing the UP water supply water quality instruction, setting the UP water supply electrode coefficient, changing the UP water supply electrode coefficient value instruction, entering the next execution program after setting, displaying the instruction during water making, modifying the working parameter instruction during water making, entering the next execution program after setting, executing the circulation function instruction, modifying the circulation working parameter of the water purifying device, entering the next execution program after setting, executing the temperature compensation coefficient instruction, modifying the temperature compensation working parameter, entering the next execution program after setting, executing the pre-purification column alarm instruction, modifying the pre-purification column alarm working parameter, and entering the next execution program after setting, and executing a precise purification alarm instruction, modifying the precise purification alarm working parameters, setting to enter the next execution program, executing an ultraviolet lamp alarm instruction, modifying the ultraviolet lamp alarm working parameters, setting to be completed, and returning to the main menu.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an intelligence drinking water filter circuit which characterized in that: the controller (U1) is included, and the power supply input end of the controller (U1) is connected with the power supply output end of the power supply module; the data detection input end of the controller (U1) is connected with the detection signal output end of the detection module; the indication output end of the controller (U1) is connected with the indication signal input end of the indication module; and the driving output end of the controller (U1) is connected with the driving signal input end of the driving module.
2. The intelligent drinking water filtering circuit according to claim 1, wherein: the power supply module comprises a voltage reduction chip (U9) and a first voltage regulator (U8), wherein the high-voltage input end of the voltage reduction chip (U9) is connected with the cathode of a twelfth diode (D12); the anode of the twelfth diode (D12) is connected with one end of a twenty-fifth wiring row (P25), and the other end of the twenty-fifth wiring row (P25) is connected with a power ground; the low-voltage output end of the voltage reduction chip (U9) is connected with one end of a third inductor (L3) and the cathode of a thirteenth diode (D13), and the anode of the thirteenth diode (D13) is connected with the power ground; the feedback end of the voltage reduction chip (U9) is connected with the other end of the third inductor (L3) and one end of a twenty-fourth capacitor (C24), and the other end of the twenty-fourth capacitor (C24) is connected with the power ground;
a power supply input end of a first voltage stabilizer (U8) is connected with the other end of a third inductor (L3), one end of a thirteenth capacitor (C13) and one end of an eleventh capacitor (C11), a power supply output end of the first voltage stabilizer (U8) is connected with one end of a twelfth capacitor (C12), one end of a fourteenth capacitor (C14), one end of a fifteenth capacitor (C15), one end of a sixteenth capacitor (C16), one end of a seventeenth capacitor (C17), one end of an eighteenth capacitor (C18), one end of a nineteenth capacitor (C19), one end of a twentieth capacitor (C20), one end of a twenty-first capacitor (C21) and one end of a forty-ninth resistor (R49), the other end of the forty-ninth resistor (R49) is connected with the anode of a third light emitting diode (LED3), and the cathode of the third light emitting diode (LED3) is connected with a power supply ground; the other end of the thirteenth capacitor (C13), the other end of the eleventh capacitor (C11), the other end of the twelfth capacitor (C12), the other end of the fourteenth capacitor (C14), the other end of the fifteenth capacitor (C15), the other end of the sixteenth capacitor (C16), the other end of the seventeenth capacitor (C17), the other end of the eighteenth capacitor (C18), the other end of the nineteenth capacitor (C19), the other end of the twentieth capacitor (C20) and the other end of the twenty-first capacitor (C21) are all connected with the ground end of the first voltage stabilizer (U8) and the power ground.
3. The intelligent drinking water filtering circuit according to claim 2, wherein: the driving module comprises one or any combination of a water making pump driving circuit, a water taking pump driving circuit, a water inlet driving circuit, a flushing driving circuit, a reverse osmosis water taking driving circuit, a deionization water taking driving circuit and a drainage driving circuit;
the controller (U1) is characterized in that the output end of a fresh water pump is connected with the input end of a fresh water pump driving circuit, the output end of a water taking pump of the controller (U1) is connected with the input end of a water taking pump driving circuit, and the output end of a water inlet control of the controller (U1) is connected with the input end of the water inlet driving circuit; the flushing control output end of the controller (U1) is connected with the input end of the flushing drive circuit; the reverse osmosis water taking control output end of the controller (U1) is connected with the input end of the reverse osmosis water taking driving circuit; the deionization water taking control output end of the controller (U1) is connected with the input end of the deionization water taking drive circuit; and the drainage control output end of the controller (U1) is connected with the input end of the drainage driving circuit.
4. The intelligent drinking water filtering circuit according to claim 3, wherein: the water making pump driving circuit comprises a twenty-second resistor (R22), one end of the twenty-second resistor (R22) is connected with a control output end of a water making pump of a controller (U1), the other end of the twenty-second resistor (R22) is connected with a base electrode of an eleventh triode (Q11), an emitting electrode of the eleventh triode (Q11) is grounded, a collector electrode of the eleventh triode (Q11) is connected with one end of a winding of an eighth relay (K8), an anode of an eighth diode (D8) and a cathode of a first light emitting diode (LED1), the other end of the winding of the eighth relay (K8) and a cathode of the eighth diode (D8) are connected with one end of a twenty-fifth wiring row (P25), an anode of the first light emitting diode (LED1) is connected with one end of a twenty-sixth resistor (R26), and the other end of the twenty-sixth resistor (R26) is connected with one end of a twenty;
the common end of a contact of an eighth relay (K8) is connected with one end of a twenty-fifth wiring bank (P25), the normally open end of the contact is connected with one end of a seventeenth wiring bank (P17), and the other end of the seventeenth wiring bank (P17) is connected with a power ground;
the water taking pump driving circuit comprises a twenty-third resistor (R23), one end of the twenty-third resistor (R23) is connected with a water taking pump control output end of a controller (U1), the other end of the twenty-third resistor (R23) is connected with a base of a twelfth triode (Q12), an emitter of the twelfth triode (Q12) is grounded, a collector of the twelfth triode (Q12) is connected with one end of a winding of a ninth relay (K9), an anode of a ninth diode (D9) and a cathode of a second light emitting diode (LED2), the other end of the winding of the ninth relay (K9) and the cathode of the ninth diode (D9) are connected with one end of a twenty-fifth wiring row (P25), a cathode of the second light emitting diode (LED2) is connected with one end of a twenty-seventh resistor (R27), and the other end of the twenty-seventh resistor (R27) is connected with one end of the twenty-fifth;
the common end of a contact of the ninth relay (K9) is connected with one end of a twenty-fifth wiring bank (P25), the normally open end of the contact is connected with one end of a sixteenth wiring bank (P16), and the other end of the sixteenth wiring bank (P16) is connected with the power ground.
5. The intelligent drinking water filtering circuit according to claim 3, wherein: the water inlet driving circuit comprises a thirty-second resistor (R32), one end of the thirty-second resistor (R32) is connected with a water inlet control output end of the controller (U1), the other end of the thirty-second resistor (R32) is connected with one end of a thirty-first resistor (R31) and a base of a thirteenth diode (Q10), an emitter of the thirteenth diode (Q10) and the other end of the thirty-first resistor (R31) are both connected with a power ground, a collector of the thirteenth diode (Q10) is connected with a cathode of a third light emitting diode (LED3) and a grid of a twentieth MOS (Q20), a source of the twentieth MOS (Q20) is connected with one end of a twenty-fifth wiring row (P25) and one end of a thirty-third resistor (R33), a drain of the twentieth MOS (Q20) is connected with one end of a twenty-second wiring row (P22), the other end of the twenty-second wiring row (P22) is connected with a power ground, and the other end of the thirty-third resistor (R33) is;
the flushing driving circuit comprises a thirty-fifth resistor (R35), one end of the thirty-fifth resistor (R35) is connected with a flushing control output end of the controller (U1), the other end of the thirty-fifth resistor (R35) is connected with one end of a thirty-fourth resistor (R34) and a base of an eleventh triode (Q11), an emitter of the eleventh triode (Q11) and the other end of the thirty-fourth resistor (R34) are both connected with a power ground, a collector of the eleventh triode (Q11) is connected with a cathode of a fourth light emitting diode (LED4) and a grid of a twenty-first MOS tube (Q21), a source of the twenty-first MOS tube (Q21) is connected with one end of a twenty-fifth wiring row (P25) and one end of a thirty-sixth resistor (R36), a drain of the twenty-first MOS tube (Q21) is connected with one end of a twenty-first wiring row (P21), the other end of the twenty-first wiring row (P21) is connected with the power ground, and the other end of the thirty-sixth resistor (R36);
the reverse osmosis water taking driving circuit comprises a thirty-eighth resistor (R38), one end of the thirty-eighth resistor (R38) is connected with a reverse osmosis water taking control output end of the controller (U1), the other end of the thirty-eighth resistor (R38) is connected with one end of a thirty-seventh resistor (R37) and a base of a twelfth triode (Q12), an emitter of the twelfth triode (Q12) and the other end of the thirty-seventh resistor (R37) are both connected with a power ground, a collector of the twelfth triode (Q12) is connected with a negative electrode of a fifth light emitting diode (LED5) and a grid of a second twelfth MOS tube (Q22), a source of the second twelfth MOS tube (Q22) is connected with one end of a twenty-fifth wiring row (P25) and one end of a thirty-ninth resistor (R39), a drain of the twelfth MOS tube (Q22) is connected with one end of a twenty-second wiring row (P20), the other end of the twenty-fifth wiring row (P20) is connected with the power ground, and the other end of the thirty-ninth resistor (R;
the deionization water taking driving circuit comprises a forty-first resistor (R41), one end of the forty-first resistor (R41) is connected with a deionization water taking control output end of a controller (U1), the other end of the forty-first resistor (R41) is connected with one end of a forty-resistor (R40) and a base of a thirteenth triode (Q13), an emitter of the thirteenth triode (Q13) and the other end of the forty-resistor (R40) are both connected with a power ground, a collector of the thirteenth triode (Q13) is connected with a cathode of a sixth light emitting diode (LED6) and a grid of a twenty-thirteen MOS tube (Q23), a source of the twenty-thirteen MOS tube (Q23) is connected with one end of a twenty-fifth wiring row (P25) and one end of a forty-second resistor (R42), a drain of the twenty-thirteen MOS tube (Q23) is connected with one end of a nineteenth wiring row (P19), the other end of the nineteenth wiring row (P19) is connected with the power ground, and the other end of the second resistor (R;
the drainage driving circuit comprises a forty-fourth resistor (R44), one end of the forty-fourth resistor (R44) is connected with a drainage control output end of the controller (U1), the other end of the forty-fourth resistor (R44) is connected with one end of a forty-third resistor (R43) and a base of a fourteenth triode (Q14), an emitter of the fourteenth triode (Q14) and the other end of the forty-third resistor (R43) are both connected with a power ground, a collector of the fourteenth triode (Q14) is connected with a negative electrode of a seventh light emitting diode (LED7) and a grid of a twenty-fourth MOS tube (Q24), a source of the twenty-fourth MOS tube (Q24) is connected with one end of a twenty-fifth wiring row (P25) and one end of a forty-fifth resistor (R45), a drain of the twenty-fourth MOS tube (Q24) is connected with one end of an eighteenth wiring row (P18), the other end of the eighteenth wiring row (P18) is connected with the power ground, and the other end of the forty-fifth resistor (R45).
6. The intelligent drinking water filtering circuit according to claim 2, wherein: the detection module comprises one or any combination of a water pressure detection circuit, a liquid level detection circuit and a water quality detection circuit;
the water pressure detection circuit comprises an optical coupler (U2), the positive electrode of the optical coupler (U2) is connected with one end of a twelfth line bank (P12) and one end of a twenty-ninth resistor (R29), the other end of the twelfth line bank (P12) is connected with a power ground, the other end of the twenty-ninth resistor (R29) is connected with the other end of a third inductor (L3), the negative electrode of the optical coupler (U2) is connected with the power ground, one end of an output loop of the optical coupler (U2) is connected with one end of a twenty-eighth resistor (R28) and a water pressure detection input end of a controller (U1), and the other end of the twenty-eighth resistor (R28) is connected with a power output end of a first voltage; the output loop grounding end of the optical coupler (U2) is connected with the power ground;
the liquid level detection circuit comprises a liquid level sensor (U5), the working voltage input end of the liquid level sensor (U5) is connected with the other end of the third inductor (L3), the liquid level signal output end of the liquid level sensor (U5) is connected with one end of a thirty-seventh resistor (R37), the other end of the thirty-seventh resistor (R37) is connected with the liquid level signal input end of a controller (U1) and one end of a thirty-eighth resistor (R38), and the other end of the thirty-eighth resistor (R38) is connected with a power ground; the power ground end of the liquid level sensor (U5) is connected with the power ground;
the water quality detection circuit comprises a double operational amplifier (U6), wherein the first non-inverting input end of the double operational amplifier (U6) is connected with one end of a forty-th resistor (R40) and the collector of a thirteenth triode (Q13), the other end of the forty-th resistor (R40) is connected with the other end of a third inductor (L3), the emitter of the thirteenth triode (Q13) is connected with a power ground, the base of the thirteenth triode (Q13) is connected with one end of a thirty-ninth resistor (R39), the other end of the thirty-ninth resistor (R39) is connected with a first water quality driving output end of a controller (U1), and the first out-phase input end and the first output end of the double operational amplifier (U6) are both connected with a first water quality detection module driving signal input; the ground end of the double operational amplifier (U6) is connected with the power ground;
the second in-phase input end of the dual operational amplifier (U6) is connected with one end of a forty-first resistor (R41) and the collector of a fourteenth triode (Q14), the other end of the forty-first resistor (R41) is connected with the other end of a third inductor (L3), the emitter of the fourteenth triode (Q14) is connected with the power ground, the base of the fourteenth triode (Q14) is connected with one end of a forty-second resistor (R42), the other end of the forty-second resistor (R42) is connected with the second water quality driving output end of the controller (U1), and the second out-phase input end and the second output end of the dual operational amplifier (U6) are both connected with the driving signal input end of the second water quality detection module; the water quality detection device comprises a first water quality detection module, a second water quality detection module, a controller and a controller, wherein the first water quality detection module and the second water quality detection module are used for detecting RO reverse osmosis water quality detection and UP ultrapure water quality detection respectively, the detection signal output end of the first water quality detection module is connected with the first water quality detection signal input end of the controller, and the detection signal output end of the second water quality detection module is connected with the second water quality detection signal input end of the controller.
7. The intelligent drinking water filtering circuit according to claim 6, wherein: the detection module also comprises a water leakage detection circuit which comprises a voltage comparator (U4), the first comparison signal input end of the voltage comparator (U4) is connected with one end of a fifteenth wiring bank (P15) and one end of a seventh capacitor (C7), the other end of the seventh capacitor (C7) is connected with the power ground, the water leakage detector is connected through a fifteenth wiring bank (P15), the other end of the fifteenth wiring bank (P15) is connected with one end of a thirty-fifth resistor (R35), the other end of the thirty-fifth resistor (R35) is connected with the other end of a third inductor (L3), the second comparison signal input end of the voltage comparator (U4) is connected with the power supply output end of the first voltage stabilizer (U5), the voltage comparator (U4) contrast signal output end is connected with the water leakage detection signal input end of the controller (U1) and one end of a thirty-sixth resistor (R36), and the other end of the thirty-sixth resistor (R36) is connected with the power supply output end of the first voltage stabilizer (U5); the power supply end of the voltage comparator (U4) is connected with the other end of the third inductor (L3), and the power supply end of the voltage comparator (U4) is connected with the power ground.
8. The intelligent drinking water filtering circuit according to claim 2, wherein: the indicating module comprises one or any combination of an operation indicating circuit, a fault feedback indicating circuit and a verification indicating circuit;
the operation indicating circuit comprises a seventh resistor (R7), one end of the seventh resistor (R7) is connected with an operation indicating output end of the controller (U1), the other end of the seventh resistor (R7) is connected with a base electrode of a first triode (Q1), an emitter electrode of the first triode (Q1) is connected with the ground of a power supply, a collector electrode of the first triode (Q1) is connected with one end of a ninth wire bank (P9), the other end of the ninth wire bank (P9) is connected with one end of an eighth resistor (R8), and the other end of the eighth resistor (R8) is connected with the other end of a third inductor (L3);
the fault feedback indicating circuit comprises a twelfth resistor (R12), one end of the twelfth resistor (R12) is connected with the operation indicating output end of the controller (U1), the other end of the twelfth resistor (R12) is connected with the base of a fifth triode (Q5), the emitter of the fifth triode (Q5) is connected with the power ground, the collector of the fifth triode (Q5) is connected with one end of a tenth wiring bar (P10), the other end of the tenth wiring bar (P10) is connected with one end of a sixteenth resistor (R16), and the other end of the sixteenth resistor (R16) is connected with the other end of a third inductor (L3);
the verification indicating circuit comprises a twentieth resistor (R20), one end of the twentieth resistor (R20) is connected with the operation indicating output end of the controller (U1), the other end of the twentieth resistor (R20) is connected with the base of a ninth triode (Q9), the emitter of the ninth triode (Q9) is connected with the power ground, the collector of the ninth triode (Q9) is connected with one end of an eleventh wiring bar (P11), the other end of the eleventh wiring bar (P11) is connected with one end of a twenty-fourth resistor (R24), and the other end of the twenty-fourth resistor (R24) is connected with the other end of a third inductor (L3).
9. The intelligent drinking water filtering circuit according to claim 1, wherein: the circuit also comprises a first crystal oscillator circuit or/and a second crystal oscillator circuit;
the first crystal oscillator circuit comprises a first crystal oscillator (Y1), one end of the first crystal oscillator (Y1) is connected with a first crystal oscillator input end of a controller (U1), one end of a thirtieth resistor (R30) and one end of a third capacitor (C3), the other end of the third capacitor (C3) is connected with a power ground, the other end of the thirtieth resistor (R30) is connected with the other end of the first crystal oscillator (Y1) and one end of a fourth capacitor (C4), the other end of the fourth capacitor (C4) is connected with the power ground, and the other end of the first crystal oscillator (Y1) is connected with a first crystal oscillator output end of the controller (U1);
the second crystal oscillator circuit comprises a second crystal oscillator (Y2), one end of the second crystal oscillator (Y2) is connected with the input end of the second crystal oscillator of the controller (U1) and one end of a fifth capacitor (C5), the other end of the fifth capacitor (C5) is connected with the power ground, the other end of the second crystal oscillator (Y2) is connected with the output end of the second crystal oscillator of the controller (U1) and one end of a sixth capacitor (C6), and the other end of the sixth capacitor (C6) is connected with the power ground.
10. The intelligent drinking water filtering circuit according to claim 2, wherein: the reset circuit comprises a first button (S1), one end of the first button (S1) is connected with a reset signal input end of the controller (U1), one end of a forty-eighth resistor (R48) and one end of a tenth capacitor (C10), one end of the tenth capacitor (C10) and the other end of the first button (S1) are both connected with a power ground, and the other end of the forty-eighth resistor (R48) is connected with a power output end of the first voltage stabilizer (U8).
CN202011074348.7A 2020-10-09 2020-10-09 Intelligent drinking water filtering circuit Active CN112305958B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011074348.7A CN112305958B (en) 2020-10-09 2020-10-09 Intelligent drinking water filtering circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011074348.7A CN112305958B (en) 2020-10-09 2020-10-09 Intelligent drinking water filtering circuit

Publications (2)

Publication Number Publication Date
CN112305958A true CN112305958A (en) 2021-02-02
CN112305958B CN112305958B (en) 2021-12-10

Family

ID=74488864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011074348.7A Active CN112305958B (en) 2020-10-09 2020-10-09 Intelligent drinking water filtering circuit

Country Status (1)

Country Link
CN (1) CN112305958B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114189032A (en) * 2021-12-16 2022-03-15 辽宁坤泰太阳能科技有限公司 Solar power supply control circuit

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007032186A1 (en) * 2005-09-16 2007-03-22 Advantest Corporation Filter unit for conductive fluid detector and conductive fluid detector using it
CN102897943A (en) * 2011-07-27 2013-01-30 三浦工业株式会社 Water treatment system
CN103732542A (en) * 2011-08-04 2014-04-16 格林安株式会社 Device for manufacturing drinking water and method for manufacturing drinking water
CN204039106U (en) * 2014-07-18 2014-12-24 雅旌智能科技(上海)有限公司 A kind of WIFI Intelligent reverse osmosis purifier
CN206097407U (en) * 2016-10-21 2017-04-12 重庆顺泽环保科技有限公司 Can carry out supervisory circuits that monitors to water treatment processing
CN108249679A (en) * 2018-03-28 2018-07-06 北京净道科技有限公司 A kind of intelligent sharing multi-functional air system drinks machine drinking water system
CN208362021U (en) * 2018-05-08 2019-01-11 江苏沁尔康环境电器有限公司 A kind of water power combined control system and with the system without pumping diaphragm water purifier
CN110442054A (en) * 2019-07-24 2019-11-12 昆明理工大学 Sewer biogas real-time detection and purification embedded Internet of Things device based on LoRa
CN111072106A (en) * 2018-10-19 2020-04-28 日东电工株式会社 Water treatment system and water treatment method
CN111186924A (en) * 2020-02-10 2020-05-22 青岛海洋地质研究所 Reverse osmosis water making equipment capable of automatically adjusting temperature
CN210683297U (en) * 2019-07-24 2020-06-05 宁波拓邦智能控制有限公司 Water purification control device and water purification unit
CN211419889U (en) * 2019-09-05 2020-09-04 索尔实业(集团)有限公司 Drinking water circulation purifier
CN211529028U (en) * 2020-04-21 2020-09-18 重庆军卫医药物流有限公司 Pollution decontamination control circuit

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007032186A1 (en) * 2005-09-16 2007-03-22 Advantest Corporation Filter unit for conductive fluid detector and conductive fluid detector using it
CN102897943A (en) * 2011-07-27 2013-01-30 三浦工业株式会社 Water treatment system
CN103732542A (en) * 2011-08-04 2014-04-16 格林安株式会社 Device for manufacturing drinking water and method for manufacturing drinking water
CN204039106U (en) * 2014-07-18 2014-12-24 雅旌智能科技(上海)有限公司 A kind of WIFI Intelligent reverse osmosis purifier
CN206097407U (en) * 2016-10-21 2017-04-12 重庆顺泽环保科技有限公司 Can carry out supervisory circuits that monitors to water treatment processing
CN108249679A (en) * 2018-03-28 2018-07-06 北京净道科技有限公司 A kind of intelligent sharing multi-functional air system drinks machine drinking water system
CN208362021U (en) * 2018-05-08 2019-01-11 江苏沁尔康环境电器有限公司 A kind of water power combined control system and with the system without pumping diaphragm water purifier
CN111072106A (en) * 2018-10-19 2020-04-28 日东电工株式会社 Water treatment system and water treatment method
CN110442054A (en) * 2019-07-24 2019-11-12 昆明理工大学 Sewer biogas real-time detection and purification embedded Internet of Things device based on LoRa
CN210683297U (en) * 2019-07-24 2020-06-05 宁波拓邦智能控制有限公司 Water purification control device and water purification unit
CN211419889U (en) * 2019-09-05 2020-09-04 索尔实业(集团)有限公司 Drinking water circulation purifier
CN111186924A (en) * 2020-02-10 2020-05-22 青岛海洋地质研究所 Reverse osmosis water making equipment capable of automatically adjusting temperature
CN211529028U (en) * 2020-04-21 2020-09-18 重庆军卫医药物流有限公司 Pollution decontamination control circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114189032A (en) * 2021-12-16 2022-03-15 辽宁坤泰太阳能科技有限公司 Solar power supply control circuit
CN114189032B (en) * 2021-12-16 2024-05-07 辽宁坤泰太阳能科技有限公司 Solar power supply control circuit

Also Published As

Publication number Publication date
CN112305958B (en) 2021-12-10

Similar Documents

Publication Publication Date Title
CN103120576B (en) The draining of dish-washing machine controls testing circuit, dish-washing machine and draining thereof and detection method
CN112305958B (en) Intelligent drinking water filtering circuit
CN201166799Y (en) Water-controlled sealing device for water purification apparatus
CN207198593U (en) A kind of intelligent water purification machine controller
CN1731462A (en) Household water leakage monitoring and warning system and realizing method
CN203310104U (en) Intelligent gas water heater
CN112266031B (en) Intelligent drinking water filtering working method
CN106482916A (en) Tank and its turnover water route leak water detdction structure and its leakage detection method
CN201190121Y (en) Water-controlled sterilizing apparatus of water purifier
CN107355372A (en) A kind of water pump control method and device
CN202933627U (en) Intelligent control system of water purification machine
CN109630390B (en) PLC control water pumping device of power distribution station
CN104504865A (en) New external ship water-tank overflow alarm device and alarm method thereof
CN206364587U (en) A kind of dual power supply not power down switches power supply circuit
CN206972494U (en) A kind of pump control unit
CN105276281B (en) One kind infusion escape protection device and emergency method
CN211627302U (en) Cotton filter core filtering performance monitoring devices of PP
CN114045904A (en) Intelligent water quality remote monitoring system for secondary water supply and application method
CN205528124U (en) Reverse osmosis water purification system with water softens function
CN208717000U (en) A kind of complete intelligent water purifier
CN207647749U (en) A kind of intelligent sound control system of water pump
CN209878738U (en) Working state indicating circuit for fire-fighting water flow indicator
CN104500408A (en) Mine main drainage multistage pump emergency pump pulling device capable of automatically replenishing water
CN216965719U (en) Chlorine leakage prevention system of disinfectant generator
CN212563140U (en) PLC automatic control's circulation switched systems

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant