CN111646538A - Self-generating ultraviolet sterilization and disinfection system for water outlet pipe - Google Patents
Self-generating ultraviolet sterilization and disinfection system for water outlet pipe Download PDFInfo
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- CN111646538A CN111646538A CN202010282727.9A CN202010282727A CN111646538A CN 111646538 A CN111646538 A CN 111646538A CN 202010282727 A CN202010282727 A CN 202010282727A CN 111646538 A CN111646538 A CN 111646538A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 43
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 62
- 230000001954 sterilising effect Effects 0.000 claims abstract description 18
- 230000000249 desinfective effect Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 27
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 claims description 16
- 101150105073 SCR1 gene Proteins 0.000 claims description 16
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 claims description 16
- 230000002070 germicidal effect Effects 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 claims description 9
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims 2
- 150000004706 metal oxides Chemical class 0.000 claims 2
- 239000004065 semiconductor Substances 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/326—Lamp control systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a self-generating ultraviolet sterilization and disinfection system for a water outlet pipe, which comprises a water pipe section, wherein the water pipe section is connected between a water pipe and a water faucet; the water pipe section is provided with an ultraviolet sterilization system for sterilizing and disinfecting the outlet water; the ultraviolet sterilization and disinfection system comprises an ultraviolet LED sterilization lamp, a water flow sensor, a direct current power supply VCC, a miniature water flow generator, an impeller, an LED drive circuit, a start control circuit, a lithium battery, a charging circuit and a lithium battery power supply control circuit; the impeller is arranged in the water pipe section, the axis of the impeller is perpendicular to but not intersected with the axis of the water pipe section, and the micro water flow generator is driven by the impeller to generate electricity; can carry out effectual disinfection to the play water of water pipe, simple structure, on the other hand can be to the energy conversion electric energy that rivers produced and collect.
Description
Technical Field
The invention relates to a sterilization and disinfection system, in particular to a self-generating ultraviolet sterilization and disinfection system for a water outlet pipe.
Background
Water is an essential substance for people to produce life, and people gradually pay more attention to the quality of domestic water, especially bacteria and viruses contained in water seriously affect the health of people if tap water is not sterilized, and in the prior art, the following means are generally adopted for sterilization and disinfection of domestic water: heating and boiling, and specially arranging a disinfection device; the heating and boiling are generally needed for people, but for common water, such as washing hands, vegetables and the like, the heating and boiling are carried out and then the cooling is carried out, which brings great troubles to people, and although the technology also has special disinfection equipment, the existing disinfection equipment has large volume, complex structure and extremely inconvenient use; on the other hand, the power supply of the water pipe is mains supply in the sterilization process, the energy exists in the flowing process of water flow, and the energy is not collected and applied to sterilization and disinfection of the water pipe at present.
Therefore, in order to solve the above problems, a new technical means is needed.
Disclosure of Invention
In view of the above, the present invention provides a self-generating ultraviolet sterilization and disinfection system for a water outlet pipe, which can effectively sterilize and disinfect the outlet water of a tap water pipe, thereby providing a guarantee for the health of people, can be completed by turning on and off a faucet during the use process, is convenient to use and simple in structure, and can convert the energy generated by water flow into electric energy and collect the electric energy, and can be applied to the sterilization and disinfection of the water pipe, thereby saving energy.
The invention provides a self-generating ultraviolet sterilization and disinfection system for a water outlet pipe, which comprises a water pipe section, wherein the water pipe section is connected between a water pipe and a water faucet;
the water pipe section is provided with an ultraviolet sterilization system for sterilizing and disinfecting the outlet water;
the ultraviolet sterilization and disinfection system comprises an ultraviolet LED sterilization lamp, a water flow sensor, a direct current power supply VCC, a miniature water flow generator, an impeller, an LED drive circuit, a start control circuit, a lithium battery, a charging circuit and a lithium battery power supply control circuit;
the impeller is arranged in the water pipe section, the axis of the impeller is perpendicular to but not intersected with the axis of the water pipe section, and the micro water flow generator is driven by the impeller to generate electricity;
the input end of the starting control circuit is connected with the output end VCC1 of the lithium battery power supply control circuit, the output end Vout of the starting control circuit is connected with the power input end of the LED drive circuit, the control input end of the starting control circuit is connected with the output end of the water flow sensor, the control output end Vo of the starting control circuit is connected with the control input end of the LED driving circuit, the LED drive circuit outputs different drive currents to the ultraviolet LED germicidal lamp according to the control signal output by the starting control circuit, the water flow sensor is arranged between the water pipe section and the water tap, the input end of the charging circuit is connected with the output end of the micro water flow generator, the output of charging circuit is connected with the input of lithium cell, the output of lithium cell is connected with lithium battery power supply control circuit's first input, lithium battery power supply control circuit's second input is connected with DC power supply VCC.
Further, the LED driving circuit comprises a comparison control circuit and a constant current circuit;
the control input end of the comparison control circuit is connected with the control output end of the starting control circuit, the control output end of the comparison control circuit is connected with the control input end of the constant current circuit, the power supply input end of the constant current circuit is connected with the output end Vout of the starting control circuit, and the power supply output end of the constant current circuit supplies power to the ultraviolet LED germicidal lamp.
Further, the comparison control circuit comprises a resistor R7, a resistor R8, a resistor R9, a comparator U2 and a comparator U3;
the in-phase end of the comparator U2 is connected with the control output end of the start control circuit, the output end of the comparator U2 serving as the first output end of the comparison control circuit is connected with the first control input end of the constant current circuit, the inverting end of the comparator U2 is connected with the output end VCC1 of the lithium battery charging and power supply control through a resistor R7, the inverting end of the comparator U2 is connected with a resistor R9 through a resistor R8 in series and then grounded, the common connection point between the resistor R8 and the resistor R9 is connected with the inverting end of the comparator U3, the in-phase end of the comparator U3 is connected with the control output end of the start control circuit, and the output end of the comparator U3 serving as the second output end of the start control circuit is connected with the second control input end of the constant current circuit.
Further, the constant current circuit comprises a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a capacitor C1, an operational amplifier U4, an operational amplifier U5, an operational amplifier U6, a triode T2, a triode T3 and a triode T4;
the non-inverting terminal of the operational amplifier U4 is connected with one terminal of a resistor R10, the other terminal of the resistor R10 is used as the power input terminal of the constant current circuit, the output terminal of the operational amplifier U4 is connected with one terminals of a resistor R13, a resistor R14 and a resistor R15 respectively, the other terminal of the resistor R13 is connected with the collector of a transistor T2, the other terminal of a resistor R14 is connected with the collector of a transistor T3, the other terminal of the resistor R15 is connected with the collector of a transistor T4, the emitters of the transistor T2, the transistor T3 and the transistor T4 are all connected with the non-inverting terminal of the operational amplifier U6, the common connection point between the non-inverting terminal of the operational amplifier U6 and the emitter of the transistor T2 is used as the power output terminal of the constant current circuit, the base of the transistor T9 is the first control input terminal of the constant current circuit, the base of the transistor T3 is the second control input terminal of the constant current circuit, the base of the transistor T4 is connected with one terminal of the resistor R16, the, the inverting terminal of the operational amplifier U6 is connected with the output terminal of the operational amplifier U6, the output terminal of the operational amplifier U6 is connected with the phase-emitting terminal of the operational amplifier U5 through a resistor R11, the in-phase terminal of the operational amplifier U5 is connected with the output terminal of the operational amplifier U4, the inverting terminal of the operational amplifier U5 is connected with the output terminal of the operational amplifier U5 after being connected in parallel with a capacitor C1 through a resistor R12, and the output terminal of the operational amplifier U5 is connected with the inverting terminal of the operational amplifier U4.
Further, the starting control circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a triode T1, a PMOS tube Q1 and an operational amplifier U1;
the source of the PMOS transistor Q1 is connected to the output VCC1 of the lithium battery power supply control circuit as the input of the start control circuit, the drain of the PMOS transistor Q1 is connected to the power input of the constant current circuit as the power output Vout of the start control circuit, the source of the PMOS transistor Q1 is connected to the gate of the PMOS transistor Q1 through the resistor R2, the gate of the PMOS transistor Q1 is connected to the collector of the triode T1 through the resistor R3, the emitter of the triode T1 is grounded, the base of the triode T1 is connected to the output of the operational amplifier U1 through the resistor R4, the output of the operational amplifier U1 is grounded after being connected in series with the resistor R6 through the resistor R5, the inverting terminal of the operational amplifier U1 is connected to the common connection point between the resistor R5 and the resistor R6, the inverting terminal of the operational amplifier U1 is connected to the output of the water flow sensor, and the output of the operational amplifier U1.
Further, the charging circuit comprises a diode D1, a diode D2, a capacitor C2, a capacitor C3, a resistor R17, a resistor R18, a PMOS tube Q2, a triode T5 and a voltage regulator tube ZD 1;
the anode of the diode D1 is used as the input end of the charging circuit and connected with the output end of the miniature water flow generator, the cathode of the diode D2 is grounded through a capacitor C2, the common connection point between the diode D2 and the capacitor C2 is connected with the source electrode of a PMOS tube Q2, the drain electrode of the PMOS tube Q2 is connected with the anode of the diode D2, and the cathode of the diode D2 is used as the output end of the charging circuit and connected with the lithium battery;
the source electrode of the PMOS tube Q2 is connected with the gate electrode of the PMOS tube Q2 through a resistor R17, the gate electrode of the PMOS tube Q2 is connected with the collector electrode of a triode T5, the collector electrode of a triode T5 is connected with one end of a resistor R18, the other end of the resistor R18 is grounded through a capacitor C3, a common connection point between the resistor R18 and the capacitor C3 is connected with the base electrode of a triode T5, the emitter electrode of the triode T5 is grounded, the drain electrode of the PMOS tube Q2 is connected with the negative electrode of a voltage regulator tube ZD1, the positive electrode of the voltage regulator tube ZD1 is grounded, the drain electrode of the PMOS tube Q2 is connected with the positive electrode of a diode D3, and the negative electrode of a diode D36.
Further, the lithium battery power supply control circuit comprises a triode T6, a triode T7, a triode T8, a triode T9, a triode T11, a PMOS tube Q3, an NMOS tube Q4, a silicon controlled rectifier SCR1, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R28, an adjustable resistor RT1, an adjustable resistor RT2, a diode D4 and a diode D6;
an emitter of the transistor T6 is connected to an emitter of the transistor T7, a common connection point between the emitter of the transistor T7 and the emitter of the transistor T6 is connected to the lithium battery, a collector of the transistor T6 is connected to a control electrode of the thyristor SCR1 through a resistor R19, an anode of the thyristor SCR1 is connected to an emitter of the transistor T7, a cathode of the SCR1 is connected to a source of the PMOS transistor Q3, a base of the transistor T6 is connected to an output terminal of the dc power supply VCC through an adjustable resistor RT1, a base of the transistor T7 is connected to an output terminal of the dc power supply VCC through a resistor RT2, a collector of the transistor T7 is connected to a gate of the NMOS transistor Q7 through a resistor R7, a source of the NMOS transistor Q7 is grounded, a drain of the NMOS transistor Q7 is connected to the gate of the PMOS transistor Q7, a drain of the PMOS transistor Q7 is connected to an anode of the diode D7, and serves as a negative electrode of the lithium battery control circuit 7, the drain of the PMOS transistor Q3 is connected to the base of a transistor T9 through a resistor R23, the emitter of a transistor T9 is grounded, the collector of a transistor T9 is connected to the base of a transistor T8, the base of the transistor T8 is connected to the collector of a transistor T8 through a resistor R24, the collector of a transistor T8 is connected to the output terminal of a dc power source VCC, the emitter of a transistor T8 is connected to the positive electrode of a diode D6, the negative electrode of a diode D6 is connected to the negative electrode of a diode D4, the emitter of a transistor T8 is connected to the collector of a transistor T11 through a resistor R20, the emitter of a transistor T8 is connected to the base of a transistor T11 through a resistor R28, and the emitter of a transistor T11 is connected to.
Further, the direct current power supply VCC includes a rectifying circuit and a voltage stabilizing circuit;
the input end of the rectifying circuit is connected with a mains supply, the output end of the rectifying circuit is connected with the input end of the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit outputs a power supply direct current VCC.
Further, the lateral wall of water pipe section is provided with the step through-hole, the fixed plate that is provided with of step through-hole, the fixed translucent cover that is provided with of lower surface of fixed plate, sealed formation installation cavity between translucent cover and the fixed plate, ultraviolet LED bactericidal lamp sets up in the installation cavity.
The invention has the beneficial effects that: according to the invention, on one hand, the water outlet of the tap water pipe can be effectively disinfected and sterilized, so that the guarantee is provided for the health of people, and the water outlet can be completed by only switching on and off the faucet in the use process, so that the use is convenient, the structure is simple, on the other hand, the energy generated by the water flow can be converted into electric energy and collected, and the electric energy can be applied to the disinfection of the water pipe, so that the energy is saved.
Drawings
The invention is further described below with reference to the following figures and examples:
fig. 1 is an electrical schematic diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural view of a water pipe section.
FIG. 4 is a schematic diagram of the start-up control circuit of the present invention.
Fig. 5 is a schematic diagram of a constant current circuit of the present invention.
FIG. 6 is a schematic diagram of a comparison control circuit of the present invention.
Fig. 7 is a schematic diagram of a charging circuit of the present invention.
Fig. 8 is a schematic diagram of a lithium battery power supply control circuit according to the present invention.
Fig. 9 is a schematic view of water flow.
Fig. 10 is a left side view structural view of fig. 2.
Detailed Description
The invention is described in further detail below with reference to the drawings of the specification:
the invention provides a self-generating ultraviolet sterilization and disinfection system for a water outlet pipe, which comprises a water pipe section 1, wherein the water pipe section is connected between a water pipe and a water faucet;
the water pipe section is provided with an ultraviolet sterilization system for sterilizing and disinfecting the outlet water;
the ultraviolet sterilization and disinfection system comprises an ultraviolet LED sterilization lamp, a water flow sensor 7, a direct-current power supply VCC, a miniature water flow generator 9, an impeller 2, an LED drive circuit, a start control circuit, a lithium battery, a charging circuit and a lithium battery power supply control circuit;
the impeller is arranged in the water pipe section, the axis of the impeller is perpendicular to but not intersected with the axis of the water pipe section, the micro water flow generator is driven by the impeller to generate electricity, as shown in fig. 9, when water flows in the water pipe, the front end of the water flow is in a parabola shape, namely shown by a dotted line, therefore, the flow velocity of the water flow in the area close to the axis of the water pipe is greater than that of the closed area of the water pipe, therefore, the axis of the impeller cannot be arranged on the axis of the water pipe, otherwise, the impeller cannot normally rotate;
the input end of the starting control circuit is connected with the output end VCC1 of the lithium battery power supply control circuit, the output end Vout of the starting control circuit is connected with the power input end of the LED drive circuit, the control input end of the starting control circuit is connected with the output end of the water flow sensor, the control output end Vo of the starting control circuit is connected with the control input end of the LED drive circuit, the LED drive circuit outputs different drive currents to the ultraviolet LED germicidal lamp according to the control signal output by the starting control circuit, the water flow sensor is arranged between the water pipe section and the faucet, the input end of the charging circuit is connected with the output end of the miniature water flow generator, the output end of the charging circuit is connected with the input end of the lithium battery, the output end of the lithium battery is connected with the first input end of the lithium battery power supply control circuit, and the second input end of the lithium, according to the invention, on one hand, the water outlet of the tap water pipe can be effectively disinfected and sterilized, so that the guarantee is provided for the health of people, and the disinfection can be completed only by switching on and off the faucet in the use process, so that the use is convenient, the structure is simple, on the other hand, the energy generated by the water flow can be converted into electric energy and collected, and the electric energy can be applied to the disinfection of the water pipe, so that the energy is saved; the water flow sensor and the miniature water flow generator are in the prior art, can be purchased in the market directly, and the structure and the principle of the water flow sensor and the miniature water flow generator can be inquired through a webpage and are not repeated.
In this embodiment, the LED driving circuit includes a comparison control circuit and a constant current circuit;
the control input end of the comparison control circuit is connected with the control output end of the starting control circuit, the control output end of the comparison control circuit is connected with the control input end of the constant current circuit, the power supply input end of the constant current circuit is connected with the output end Vout of the starting control circuit, and the power supply output end of the constant current circuit supplies power to the ultraviolet LED germicidal lamp.
Specifically, the method comprises the following steps:
the comparison control circuit comprises a resistor R7, a resistor R8, a resistor R9, a comparator U2 and a comparator U3;
the in-phase end of the comparator U2 is connected with the control output end of the start control circuit, the output end of the comparator U2 serving as the first output end of the comparison control circuit is connected with the first control input end of the constant current circuit, the inverting end of the comparator U2 is connected with the output end VCC1 of the lithium battery charging and power supply control through a resistor R7, the inverting end of the comparator U2 is connected with a resistor R9 through a resistor R8 in series and then grounded, the common connection point between the resistor R8 and the resistor R9 is connected with the inverting end of the comparator U3, the in-phase end of the comparator U3 is connected with the control output end of the start control circuit, and the output end of the comparator U3 serving as the second output end of the start control circuit is connected with the second control input end of the constant current circuit.
The constant current circuit comprises a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a capacitor C1, an operational amplifier U4, an operational amplifier U5, an operational amplifier U6, a triode T2, a triode T3 and a triode T4;
the non-inverting terminal of the operational amplifier U4 is connected with one terminal of a resistor R10, the other terminal of the resistor R10 is used as the power input terminal of the constant current circuit, the output terminal of the operational amplifier U4 is connected with one terminals of a resistor R13, a resistor R14 and a resistor R15 respectively, the other terminal of the resistor R13 is connected with the collector of a transistor T2, the other terminal of a resistor R14 is connected with the collector of a transistor T3, the other terminal of the resistor R15 is connected with the collector of a transistor T4, the emitters of the transistor T2, the transistor T3 and the transistor T4 are all connected with the non-inverting terminal of the operational amplifier U6, the common connection point between the non-inverting terminal of the operational amplifier U6 and the emitter of the transistor T2 is used as the power output terminal of the constant current circuit, the base of the transistor T9 is the first control input terminal of the constant current circuit, the base of the transistor T3 is the second control input terminal of the constant current circuit, the base of the transistor T4 is connected with one terminal of the resistor R16, the, the inverting terminal of the operational amplifier U6 is connected with the output terminal of the operational amplifier U6, the output terminal of the operational amplifier U6 is connected with the transmitting terminal of the operational amplifier U5 through a resistor R11, the in-phase terminal of the operational amplifier U5 is connected with the output terminal of the operational amplifier U4, the inverting terminal of the operational amplifier U5 is connected with the output terminal of the operational amplifier U5 after being connected in parallel through a resistor R12 and a capacitor C1, the output terminal of the operational amplifier U5 is connected with the inverting terminal of the operational amplifier U4, through the structure, stable working current can be provided for the ultraviolet LED lamp, different currents can be output according to different water flow sizes, and accordingly the sterilization requirement can be ensured, the constant current in the above-mentioned structure is realized under the condition that an output resistor is determined, for example, when only the triode T2 is turned on, the output current is unchanged under the condition of the output resistor R13, when the triodes T2 and T3 or triodes T2, T3 and T4 are fully turned on, the output resistor R6342 and the resistor R599 are, then at this point the output current increases relative to when only T2 is on and remains unchanged.
In this embodiment, the start control circuit includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a transistor T1, a PMOS transistor Q1, and an operational amplifier U1;
the source of a PMOS tube Q1 is used as the input end of a start control circuit and is connected with the output end VCC1 of a lithium battery power supply control circuit, the drain of the PMOS tube Q1 is used as the power output end Vout of the start control circuit and is connected with the power input end of a constant current circuit, the source of the PMOS tube Q1 is connected with the grid of a PMOS tube Q1 through a resistor R2, the grid of the PMOS tube Q1 is connected with the collector of a triode T1 through a resistor R3, the emitter of the triode T1 is grounded, the base of the triode T1 is connected with the output end of an operational amplifier U1 through a resistor R4, the output end of the operational amplifier U1 is grounded after being connected in series with the resistor R6, the inverting end of the operational amplifier U1 is connected with the common connection point between the resistor R5 and the resistor R6, the non-inverting end of the operational amplifier U1 is connected with the output end of a water flow sensor, the output end of the operational amplifier U1 is used as the control output end Vo of the start control circuit, a start-up of disinfecting degassing unit is closed for being directed at the sampling voltage signal to water flow sensor output, when tap does not open, rivers do not have the output, U1 also does not have the output is put to fortune, triode T1 ends, thereby the grid source voltage of PMOS pipe equals and ends, when U1 has the output is put to fortune, show tap and open this moment, rivers flow, triode T1 switches on, PMOS pipe Q1 switches on, thereby provide the direct current for constant current circuit, and then the work of ultraviolet LED bactericidal lamp, therefore, through above-mentioned structure, only need open or close tap can accomplish, and then facilitate the use.
In this embodiment, the charging circuit includes a diode D1, a diode D2, a capacitor C2, a capacitor C3, a resistor R17, a resistor R18, a PMOS transistor Q2, a triode T5, and a voltage regulator ZD 1;
the anode of the diode D1 is used as the input end of the charging circuit and connected with the output end of the miniature water flow generator, the cathode of the diode D2 is grounded through a capacitor C2, the common connection point between the diode D2 and the capacitor C2 is connected with the source electrode of a PMOS tube Q2, the drain electrode of the PMOS tube Q2 is connected with the anode of the diode D2, and the cathode of the diode D2 is used as the output end of the charging circuit and connected with the lithium battery;
the source of a PMOS transistor Q2 is connected with the gate of a PMOS transistor Q2 through a resistor R17, the gate of a PMOS transistor Q2 is connected with the collector of a transistor T5, the collector of a transistor T5 is connected with one end of a resistor R18, the other end of a resistor R18 is grounded through a capacitor C3, the common connection point between the resistor R18 and the capacitor C3 is connected with the base of a transistor T5, the emitter of a transistor T5 is grounded, the drain of a PMOS transistor Q2 is connected with the cathode of a regulator ZD1, the anode of a regulator ZD1 is grounded, the drain of a PMOS transistor Q2 is connected with the anode of a diode D3, the cathode of a diode D3 is connected with the base of a transistor T5, wherein the diode D1 is a rectifier diode, the capacitor C2 is used for collecting and stabilizing the output current of the generator, and the capacitor C2 enters a stable state after the voltage of the capacitor C2 rises and stabilizes, and the transistor Q2 is turned on, thereby turning on the NMOS transistor Q2, and further charging the lithium battery, wherein a comparison switch circuit is further arranged in the lithium battery power supply control circuit, namely a triode T10, a resistor R25, a resistor R26, a resistor R27 and a diode D5, wherein an emitter of a triode T10 is connected to a negative electrode of the diode D2, a collector of a triode T10 is connected to the lithium battery, an emitter of a triode T10 is connected to a positive electrode of the diode D5 through a resistor R25, a negative electrode of the diode D5 is connected to a base of a triode T10, a base of the triode T10 is connected in series through a resistor R26 and a resistor R27 and then grounded, a common connection point of the resistor R26 and the resistor R27 is connected to a drain of a PMOS tube Q3, when the voltage of the lithium battery is sufficient, the triode T10 is cut off, when the lithium battery does not supply power, namely the drain voltage of the PMOS tube Q3 is 0, the triode T10 is turned on and charges the lithium.
In this embodiment, the lithium battery power supply control circuit includes a transistor T6, a transistor T7, a transistor T8, a transistor T9, a transistor T11, a PMOS transistor Q3, an NMOS transistor Q4, a silicon controlled SCR1, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R28, an adjustable resistor RT1, an adjustable resistor RT2, a diode D4, and a diode D6;
an emitter of the transistor T6 is connected to an emitter of the transistor T7, a common connection point between the emitter of the transistor T7 and the emitter of the transistor T6 is connected to the lithium battery, a collector of the transistor T6 is connected to a control electrode of the thyristor SCR1 through a resistor R19, an anode of the thyristor SCR1 is connected to an emitter of the transistor T7, a cathode of the SCR1 is connected to a source of the PMOS transistor Q3, a base of the transistor T6 is connected to an output terminal of the dc power supply VCC through an adjustable resistor RT1, a base of the transistor T7 is connected to an output terminal of the dc power supply VCC through a resistor RT2, a collector of the transistor T7 is connected to a gate of the NMOS transistor Q7 through a resistor R7, a source of the NMOS transistor Q7 is grounded, a drain of the NMOS transistor Q7 is connected to the gate of the PMOS transistor Q7, a drain of the PMOS transistor Q7 is connected to an anode of the diode D7, and serves as a negative electrode of the lithium battery control circuit 7, the drain of PMOS transistor Q3 is connected to the base of transistor T9 through resistor R23, the emitter of transistor T9 is grounded, the collector of transistor T9 is connected to the base of transistor T8, the base of transistor T8 is connected to the collector of transistor T8 through resistor R24, the collector of transistor T8 is connected to the output terminal of dc power VCC, the emitter of transistor T8 is connected to the positive terminal of diode D6, the negative terminal of diode D6 is connected to the negative terminal of diode D4, the emitter of transistor T8 is connected to the collector of transistor T11 through resistor R20, the emitter of transistor T8 is connected to the base of transistor T11 through resistor R28, and the emitter of transistor T11 is connected to the negative terminal of SCR1, wherein, transistors T6 and T7 are P-type transistors, and the adjustable resistors RT1 and 2 are adjustable, but the resistance of resistor RT1 is always smaller than the resistance of RT7, a comparison circuit is formed by the transistor T6 and the transistor T7, that is: after RT2 divides dc VCC, its voltage value VT2 is less than voltage value VT1 after RT1 divides dc VCC to realize to the lithium cell, that is to say: when the voltage of the lithium battery reaches VBAT2, VBAT2-VT2 is greater than the conduction voltage of the triode T7, at the moment, the triode T7 is conducted, the NMOS pipe Q4 is conducted, the PMOS pipe can not be conducted at the moment, when the voltage of the lithium battery reaches VBAT1, VBAT1-VT1 is greater than the conduction voltage of the triode T6, the triode T6 is conducted, at the moment, the silicon controlled SCR1 is triggered and keeps conducting through the resistor R20, at the moment, the source voltage of the PMOS pipe Q3 is greater than the grid voltage and is conducted, the lithium battery supplies power to the outside, and the method comprises the following steps: VBAT1 is a lithium battery discharge threshold circuit, and VBAT2 is a lithium battery discharge stop voltage, that is to say: when the voltage of the lithium battery is lower than VBAT2, charging is needed to be carried out, discharging is not started until reaching VBAT1, the lithium battery is protected, when the lithium battery discharges, the triode T9 is conducted, the T8 is cut off, power supply of the direct current power supply VCC is stopped, when the voltage of the lithium battery stops supplying power, the NMOS tube Q4 is cut off, the PMOS tube Q3 is cut off, the triode T9 is cut off, the triode T8 is conducted and discharged, at the moment, the T11 is conducted along with the conduction of the triode T8, voltage is applied to the negative electrode of the silicon controlled SCR1, at the moment, the silicon controlled SCR1 is cut off due to the existence of reverse voltage, the lithium battery completely stops discharging, the base of the triode T9 is further connected with an indicator lamp LED1, when the lithium battery supplies power, indication is carried out, if a user finds that the lamp is not.
In this embodiment, the dc power VCC includes a rectifying circuit and a voltage stabilizing circuit;
the input and the commercial power connection of rectifier circuit, the output of rectifier circuit is connected with voltage stabilizing circuit's input, and voltage stabilizing circuit's output power direct current VCC, wherein, rectifier circuit adopts the full bridge type rectifier circuit that the diode is constituteed, and voltage stabilizing circuit has LM7812 voltage stabilizing circuit and LM7805 voltage stabilizing circuit to constitute, and LM7812 exports 12V direct current, and LM7805 truns into 5V output with 12V direct current, VCC promptly.
In the embodiment, a step through hole 8 is formed in the side wall of the water pipe section 1, a fixing plate 4 is fixedly arranged in the step through hole 8, a transparent cover 6 is fixedly arranged on the lower surface of the fixing plate 4, an installation cavity is formed between the transparent cover 6 and the fixing plate in a sealing manner, the ultraviolet LED germicidal lamp 5 is arranged in the installation cavity, wherein an installation box 3 is arranged on the upper surface of the fixing plate, and the lithium battery, the charging circuit, the lithium battery power supply control circuit, the starting control circuit and the LED driving circuit are all arranged in the installation box 3; certainly, need seal between fixed plate and the step through-hole, ultraviolet LED bactericidal lamp stretches into in the water pipe moreover, and the water pipe section among the above-mentioned can be the one end of user's water pipe delivery of water department, also can be a water pipe section of making alone, then inserts, and the lower surface of fixed plate refers to the one side towards the water pipe is inside, and the another side is the upper surface, and the translucent cover is made for the existing material that does not have reflection, absorption to the ultraviolet ray.
The working principle is further explained as follows:
when the faucet is closed, water flow does not flow, the water flow sensor does not output, the whole device does not work, when the faucet is opened, the water flow flows, the water flow sensor has output, at the moment, the triode T1 is conducted, the constant current circuit is electrified to output direct current, the triode T4 also enters a conducting state due to the fact that the operational amplifier U1 has output at the moment, and the ultraviolet LED sterilizing lamp works to sterilize.
If the faucet is continuously opened, the water flow is increased at the moment, the power of the ultraviolet LED germicidal lamp needs to be increased, at the moment, the comparator U3 outputs a high level, the triode T3 is conducted, the output resistor of the constant current circuit is that the resistor R14 and the resistor R15 are connected in parallel and are smaller than the original output resistor R15, the output current of the constant current circuit is increased, the power of the ultraviolet LED germicidal lamp is increased, the germicidal effect is ensured, when the faucet is further increased to the maximum state, the comparator U2 also outputs the high level, at the moment, the triodes T2, T3 and T4 are conducted simultaneously, the power of the ultraviolet LED germicidal lamp is further increased, the germicidal effect is ensured, therefore, only sterilization can be achieved, the germicidal power can be adjusted according to the size of the water flow, the germicidal effect is met, and meanwhile, the electric energy waste caused by the fact.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. The utility model provides a from electricity generation formula ultraviolet sterilization disinfection system that is used for outlet pipe which characterized in that: the water pipe section is connected between the water pipe and the water faucet;
the water pipe section is provided with an ultraviolet sterilization system for sterilizing and disinfecting the outlet water;
the ultraviolet sterilization and disinfection system comprises an ultraviolet LED sterilization lamp, a water flow sensor, a direct current power supply VCC, a miniature water flow generator, an impeller, an LED drive circuit, a start control circuit, a lithium battery, a charging circuit and a lithium battery power supply control circuit;
the impeller is arranged in the water pipe section, the axis of the impeller is perpendicular to but not intersected with the axis of the water pipe section, and the micro water flow generator is driven by the impeller to generate electricity;
the input end of the starting control circuit is connected with the output end VCC1 of the lithium battery power supply control circuit, the output end Vout of the starting control circuit is connected with the power input end of the LED drive circuit, the control input end of the starting control circuit is connected with the output end of the water flow sensor, the control output end Vo of the starting control circuit is connected with the control input end of the LED driving circuit, the LED drive circuit outputs different drive currents to the ultraviolet LED germicidal lamp according to the control signal output by the starting control circuit, the water flow sensor is arranged between the water pipe section and the water tap, the input end of the charging circuit is connected with the output end of the micro water flow generator, the output of charging circuit is connected with the input of lithium cell, the output of lithium cell is connected with lithium battery power supply control circuit's first input, lithium battery power supply control circuit's second input is connected with DC power supply VCC.
2. The self-generating ultraviolet ray sterilization and disinfection system for the water outlet pipe according to claim 1, wherein: the LED driving circuit comprises a comparison control circuit and a constant current circuit;
the control input end of the comparison control circuit is connected with the control output end of the starting control circuit, the control output end of the comparison control circuit is connected with the control input end of the constant current circuit, the power supply input end of the constant current circuit is connected with the output end Vout of the starting control circuit, and the power supply output end of the constant current circuit supplies power to the ultraviolet LED germicidal lamp.
3. The self-generating ultraviolet ray sterilization and disinfection system for the water outlet pipe according to claim 2, wherein: the comparison control circuit comprises a resistor R7, a resistor R8, a resistor R9, a comparator U2 and a comparator U3;
the in-phase end of the comparator U2 is connected with the control output end of the start control circuit, the output end of the comparator U2 serving as the first output end of the comparison control circuit is connected with the first control input end of the constant current circuit, the inverting end of the comparator U2 is connected with the output end VCC1 of the lithium battery charging and power supply control through a resistor R7, the inverting end of the comparator U2 is connected with a resistor R9 through a resistor R8 in series and then grounded, the common connection point between the resistor R8 and the resistor R9 is connected with the inverting end of the comparator U3, the in-phase end of the comparator U3 is connected with the control output end of the start control circuit, and the output end of the comparator U3 serving as the second output end of the start control circuit is connected with the second control input end of the constant current circuit.
4. The self-generating ultraviolet ray sterilization and disinfection system for the water outlet pipe according to claim 3, wherein: the constant current circuit comprises a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a capacitor C1, an operational amplifier U4, an operational amplifier U5, an operational amplifier U6, a triode T2, a triode T3 and a triode T4;
the non-inverting terminal of the operational amplifier U4 is connected with one terminal of a resistor R10, the other terminal of the resistor R10 is used as the power input terminal of the constant current circuit, the output terminal of the operational amplifier U4 is connected with one terminals of a resistor R13, a resistor R14 and a resistor R15 respectively, the other terminal of the resistor R13 is connected with the collector of a transistor T2, the other terminal of a resistor R14 is connected with the collector of a transistor T3, the other terminal of the resistor R15 is connected with the collector of a transistor T4, the emitters of the transistor T2, the transistor T3 and the transistor T4 are all connected with the non-inverting terminal of the operational amplifier U6, the common connection point between the non-inverting terminal of the operational amplifier U6 and the emitter of the transistor T2 is used as the power output terminal of the constant current circuit, the base of the transistor T9 is the first control input terminal of the constant current circuit, the base of the transistor T3 is the second control input terminal of the constant current circuit, the base of the transistor T4 is connected with one terminal of the resistor R16, the, the inverting terminal of the operational amplifier U6 is connected with the output terminal of the operational amplifier U6, the output terminal of the operational amplifier U6 is connected with the phase-emitting terminal of the operational amplifier U5 through a resistor R11, the in-phase terminal of the operational amplifier U5 is connected with the output terminal of the operational amplifier U4, the inverting terminal of the operational amplifier U5 is connected with the output terminal of the operational amplifier U5 after being connected in parallel with a capacitor C1 through a resistor R12, and the output terminal of the operational amplifier U5 is connected with the inverting terminal of the operational amplifier U4.
5. The self-generating ultraviolet ray sterilization and disinfection system for the water outlet pipe according to claim 3, wherein: the starting control circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a triode T1, a PMOS (P-channel metal oxide semiconductor) tube Q1 and an operational amplifier U1;
the source of the PMOS transistor Q1 is connected to the output VCC1 of the lithium battery power supply control circuit as the input of the start control circuit, the drain of the PMOS transistor Q1 is connected to the power input of the constant current circuit as the power output Vout of the start control circuit, the source of the PMOS transistor Q1 is connected to the gate of the PMOS transistor Q1 through the resistor R2, the gate of the PMOS transistor Q1 is connected to the collector of the triode T1 through the resistor R3, the emitter of the triode T1 is grounded, the base of the triode T1 is connected to the output of the operational amplifier U1 through the resistor R4, the output of the operational amplifier U1 is grounded after being connected in series with the resistor R6 through the resistor R5, the inverting terminal of the operational amplifier U1 is connected to the common connection point between the resistor R5 and the resistor R6, the inverting terminal of the operational amplifier U1 is connected to the output of the water flow sensor, and the output of the operational amplifier U1.
6. The self-generating ultraviolet ray sterilization and disinfection system for the water outlet pipe according to claim 1, wherein: the charging circuit comprises a diode D1, a diode D2, a capacitor C2, a capacitor C3, a resistor R17, a resistor R18, a PMOS (P-channel metal oxide semiconductor) transistor Q2, a triode T5 and a voltage regulator ZD 1;
the anode of the diode D1 is used as the input end of the charging circuit and connected with the output end of the miniature water flow generator, the cathode of the diode D2 is grounded through a capacitor C2, the common connection point between the diode D2 and the capacitor C2 is connected with the source electrode of a PMOS tube Q2, the drain electrode of the PMOS tube Q2 is connected with the anode of the diode D2, and the cathode of the diode D2 is used as the output end of the charging circuit and connected with the lithium battery;
the source electrode of the PMOS tube Q2 is connected with the gate electrode of the PMOS tube Q2 through a resistor R17, the gate electrode of the PMOS tube Q2 is connected with the collector electrode of a triode T5, the collector electrode of a triode T5 is connected with one end of a resistor R18, the other end of the resistor R18 is grounded through a capacitor C3, a common connection point between the resistor R18 and the capacitor C3 is connected with the base electrode of a triode T5, the emitter electrode of the triode T5 is grounded, the drain electrode of the PMOS tube Q2 is connected with the negative electrode of a voltage regulator tube ZD1, the positive electrode of the voltage regulator tube ZD1 is grounded, the drain electrode of the PMOS tube Q2 is connected with the positive electrode of a diode D3, and the negative electrode of a diode D36.
7. The self-generating ultraviolet ray sterilization and disinfection system for the water outlet pipe according to claim 6, wherein: the lithium battery power supply control circuit comprises a triode T6, a triode T7, a triode T8, a triode T9, a triode T11, a PMOS tube Q3, an NMOS tube Q4, a silicon controlled SCR1, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R28, an adjustable resistor RT1, an adjustable resistor RT2, a diode D4 and a diode D6;
an emitter of the transistor T6 is connected to an emitter of the transistor T7, a common connection point between the emitter of the transistor T7 and the emitter of the transistor T6 is connected to the lithium battery, a collector of the transistor T6 is connected to a control electrode of the thyristor SCR1 through a resistor R19, an anode of the thyristor SCR1 is connected to an emitter of the transistor T7, a cathode of the SCR1 is connected to a source of the PMOS transistor Q3, a base of the transistor T6 is connected to an output terminal of the dc power supply VCC through an adjustable resistor RT1, a base of the transistor T7 is connected to an output terminal of the dc power supply VCC through a resistor RT2, a collector of the transistor T7 is connected to a gate of the NMOS transistor Q7 through a resistor R7, a source of the NMOS transistor Q7 is grounded, a drain of the NMOS transistor Q7 is connected to the gate of the PMOS transistor Q7, a drain of the PMOS transistor Q7 is connected to an anode of the diode D7, and serves as a negative electrode of the lithium battery control circuit 7, the drain of the PMOS transistor Q3 is connected to the base of a transistor T9 through a resistor R23, the emitter of a transistor T9 is grounded, the collector of a transistor T9 is connected to the base of a transistor T8, the base of the transistor T8 is connected to the collector of a transistor T8 through a resistor R24, the collector of a transistor T8 is connected to the output terminal of a dc power source VCC, the emitter of a transistor T8 is connected to the positive electrode of a diode D6, the negative electrode of a diode D6 is connected to the negative electrode of a diode D4, the emitter of a transistor T8 is connected to the collector of a transistor T11 through a resistor R20, the emitter of a transistor T8 is connected to the base of a transistor T11 through a resistor R28, and the emitter of a transistor T11 is connected to.
8. The self-generating ultraviolet ray sterilization and disinfection system for the water outlet pipe according to claim 1, wherein: the direct current power supply VCC comprises a rectifying circuit and a voltage stabilizing circuit;
the input end of the rectifying circuit is connected with a mains supply, the output end of the rectifying circuit is connected with the input end of the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit outputs a power supply direct current VCC.
9. The self-generating ultraviolet ray sterilization and disinfection system for the water outlet pipe according to claim 1, wherein: the side wall of the water pipe section is provided with a step through hole, a fixing plate is fixedly arranged on the step through hole, a transparent cover is fixedly arranged on the lower surface of the fixing plate, an installation cavity is formed between the transparent cover and the fixing plate in a sealed mode, and the ultraviolet LED sterilizing lamp is arranged in the installation cavity.
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| CN202010282727.9A CN111646538A (en) | 2020-04-12 | 2020-04-12 | Self-generating ultraviolet sterilization and disinfection system for water outlet pipe |
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| CN202010282727.9A CN111646538A (en) | 2020-04-12 | 2020-04-12 | Self-generating ultraviolet sterilization and disinfection system for water outlet pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4112563A1 (en) * | 2021-07-02 | 2023-01-04 | Solvis GmbH | Drinking water purifying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4112563A1 (en) * | 2021-07-02 | 2023-01-04 | Solvis GmbH | Drinking water purifying system |
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