CN117543788B - New forms of energy screw pump power supply control system - Google Patents

New forms of energy screw pump power supply control system Download PDF

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Publication number
CN117543788B
CN117543788B CN202410026279.4A CN202410026279A CN117543788B CN 117543788 B CN117543788 B CN 117543788B CN 202410026279 A CN202410026279 A CN 202410026279A CN 117543788 B CN117543788 B CN 117543788B
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China
Prior art keywords
pin
chip
resistor
power supply
capacitor
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CN202410026279.4A
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Chinese (zh)
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CN117543788A (en
Inventor
董超
吴法祥
李洪坤
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Shandong Shouguang Kunlong Petroleum Machinery Co ltd
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Shandong Shouguang Kunlong Petroleum Machinery Co ltd
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Priority to CN202410026279.4A priority Critical patent/CN117543788B/en
Publication of CN117543788A publication Critical patent/CN117543788A/en
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • G01R31/387—Determining ampere-hour charge capacity or SoC
    • G01R31/388—Determining ampere-hour charge capacity or SoC involving voltage measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
    • G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a new energy screw pump power supply control system, which belongs to the technical field of power supply systems, and comprises a mobile vehicle, wherein the mobile vehicle can freely move, a solar cell panel is connected above the mobile vehicle, the solar cell panel can convert solar energy into electric energy and store the electric energy, and a screw pump and a generator are arranged in the mobile vehicle.

Description

New forms of energy screw pump power supply control system
Technical Field
The invention relates to a new energy screw pump power supply control system, in particular to a screw pump control system which can freely move and is driven by solar energy, a generator and a municipal power supply, and belongs to the technical field of power supply systems.
Background
Modern solar heat technology polymerizes sunlight, uses the energy to generate hot water, steam and electric power, solar energy is used as a novel energy source, and is widely applied to various fields of industry, a screw pump is a rotary pump which conveys liquid or pressurizes the liquid by means of meshing space volume change and movement formed by a pump body and a screw, and the screw pump has the advantages of small flow and pressure pulse and small noise and vibration, so that the screw pump is widely applied to the fields of medicine, petrochemical industry, sewage treatment and the like.
In the use process of the screw pump, because the screw pump often works in some special environments and is often limited by electric driving factors, such as in some remote mountain areas and open petroleum transportation places, the screw pump often lacks power supply, and is forced to replace other pump bodies, and sometimes the screw pump is used temporarily and often moves, the development and popularization of the screw pump are further restricted, and a new energy screw pump power supply control system is developed by some people in the field to overcome the problems in the background art.
Disclosure of Invention
Aiming at the defects, the invention provides a new energy screw pump power supply control system, wherein the screw pump can freely move and mainly depends on solar power generation as power, and municipal power supply and a generator can be used as standby power supply, so that the use flexibility of the screw pump is improved, and the convenience of operators is enhanced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the new energy screw pump power supply control system comprises a mobile vehicle, wherein a solar cell panel is connected above the mobile vehicle, a screw pump is arranged at the bottom of the mobile vehicle, the tail end of the screw pump is connected with a motor, a generator and a battery pack are also arranged in the mobile vehicle, and a mobile wheel is connected below the mobile vehicle;
the battery pack comprises a plurality of battery packs, wherein the battery packs are in serial connection, and each battery pack is formed by connecting a plurality of 12-volt storage batteries in parallel;
the power supply circuit also comprises a charging circuit, an inverter circuit, a control circuit, a power supply circuit and a detection circuit.
Further, the charging circuit comprises a chip U2, the model of the chip U2 is MAX1771, a pin 5 of the chip U2 is connected with one end of a capacitor C5, the other end of the capacitor C5 is connected with a pin 4 and a pin 7 of the chip U2 are connected with a power supply 12V, a pin 3 of the chip U2 is connected with one end of a capacitor C7 and a pin 3 of a middle contact of a sliding rheostat R7, and the other end of the capacitor C7 is connected with a power supply 12 V+;
the 1 pin of the slide rheostat R7 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with a 12V-power supply, the 2 pin of the slide rheostat R7 is connected with one end of a resistor R6, and the other end of the resistor R6 is connected with a 12V+ power supply;
the 8 feet of the chip U2 are connected with one end of a resistor R5 and a source electrode of a MOS tube Q1, the other end of the resistor R5 is connected with a 12V-power supply, a drain electrode of the MOS tube Q1L is connected with an anode of a diode D1 and one end of an inductor L1, the other end of the inductor L1 is connected with one end of a capacitor C4 and an anode of a solar cell panel DCB, the other end of the capacitor C4 is connected with a 12V-power supply, a cathode of the diode D1 is connected with a 12V+ power supply, a 2 foot of the chip U2 and one end of a capacitor C6, the other end of the capacitor C6 and the cathode of the solar cell panel DCB are connected with a 12V-power supply, and a grid electrode of the MOS tube Q1 is connected with a1 foot of the chip U2.
Further, the power supply circuit comprises a chip U3, the model of the chip U3 is AMS1117, a 12V+ power supply and one end of a capacitor C14 are connected to a1 pin of the chip U3, the other end of the capacitor C14 is connected with a ground wire, a resistor R24 one end and a resistor R25 one end are connected to a 2 pin of the chip U3, the other end of the resistor R25 is connected with a ground wire, a 3 pin of the chip U3, one end of a capacitor C15 and the 3.3V+ power supply are connected to the other end of the resistor R24, and the other end of the capacitor C15 is connected with the ground wire.
Further, the control circuit comprises a chip U1, the model of the chip U1 is STM32F1038CT6-QFN36, the 2 pin of the chip U1 is connected with the 1 pin of the crystal oscillator Y1 and one end of a capacitor C1, the 3 pin of the chip U1 is connected with the 3 pin of the crystal oscillator Y1 and one end of the capacitor C2, the other end of the capacitor C1, the other end of the capacitor C2 and the 2 pin of the crystal oscillator Y1 are connected with ground wires, the 4 pin of the chip U1 is connected with one end of the capacitor C3 and one end of a resistor R1, the other end of the resistor R1 is connected with a 3.3V+ power supply, the 5 pin, the 18 pin, the 26 pin and the 36 pin of the chip U1 are connected with a 3.3V+ power supply, and the 6 pin, the 19 pin and the 27 pin of the chip U1 are connected with the ground wires;
the utility model discloses a chip U1's 7 feet are connected with intermediate relay K3's 4 feet, intermediate relay K3's 3 feet are connected with intermediate relay K2's 4 feet, intermediate relay K2's 3 feet are connected with intermediate relay K1's 4 feet, intermediate relay K1's 3 feet are connected with 3.3V+ power, intermediate relay K1's 1 foot is connected with municipal power 380 volt A phase, intermediate relay K1's 2 feet are connected with municipal power 380 volt B phase, intermediate relay K2's 1 foot is connected with municipal power 380 volt A phase, intermediate relay K2's 2 feet are connected with municipal power 380 volt C phase, intermediate relay K3's 1 foot is connected with municipal power 380 volt B phase, intermediate relay K3's 2 feet are connected with municipal power 380 volt C phase.
Further, pin 10 of the chip U1 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with pin 1 of the chip U6, the chip U6 is an optocoupler, the model is PC814, pin 2 of the chip U6 is connected with a ground wire, pin 3 of the chip U6 is connected with a 12v+ power supply, and pin 4 of the chip U6 is connected with a signal wire of the contactor KM 1;
the chip U1 is characterized in that the 11 pin of the chip U1 is connected with one end of a resistor R3, the other end of the resistor R3 is connected with the 1 pin of a chip U7, the chip U7 is an optocoupler, the model is PC814, the 2 pin of the chip U7 is connected with a ground wire, the 3 pin of the chip U7 is connected with a 12V+ power supply, and the 4 pin of the chip U7 is connected with a signal wire of a contactor KM 2;
the 12 feet of the chip U1 are connected with one end of a resistor R4, the other end of the resistor R4 is connected with the 1 foot of the chip U8, the chip U8 is an optocoupler, the model is PC814, the 2 feet of the chip U8 are connected with a ground wire, the 3 feet of the chip U8 are connected with a 12V+ power supply, and the 4 feet of the chip U8 are connected with a signal wire of a contactor KM 3.
Further, the detection circuit includes chip U4, and the model of chip U4 is AD7705, and chip U4's 2 foot is connected with 1 foot and the electric capacity C12 one end of crystal oscillator Y2, and chip U1's 3 foot is connected with 3 feet and electric capacity C13 one end of crystal oscillator Y2, and electric capacity C12 other end, electric capacity C13 other end and crystal oscillator Y2's 2 feet are connected with the ground wire, chip U4's 7 feet are connected with battery package positive pole DC+ end, and chip U4's 8 feet are connected with battery package negative pole DC-end, and chip U4's 9 feet are connected with resistance R22 one end and resistance R23 one end, and the resistance R22 other end is connected with 3.3V+ power, and resistance R23 other end and chip U4's 10 feet are connected with the ground wire, and chip U1's 20 feet are connected with chip U1's 1 foot, and chip U4's 1 foot 21 foot is connected with chip U1's 22 feet, and chip U4's 14 feet are connected with chip U1's 23 feet, and chip U4 foot is connected with chip U1's 24, and chip U1's 24 is connected with chip U25.
Further, the inverter circuit comprises a chip U5, the model of the chip U5 is DA1TL494, a1 pin of the chip U5 is connected with one end of a resistor R10 and one end of a resistor R9, the other end of the resistor R10 is connected with a battery pack negative electrode DC-end, the other end of the resistor R9 is connected with a diode D4 negative electrode and a diode D5 negative electrode, the diode D4 negative electrode is connected with one end of a transformer T1 head CT1, and the diode D5 negative electrode is connected with the other end of the transformer T1 head CT 1;
the battery pack negative electrode DC-type battery pack is characterized in that a resistor R13 end is connected to a pin 2 of the chip U5, a capacitor C11 end is connected to the other end of the resistor R13, a pin 3 of the chip U5 is connected to the other end of the capacitor C11, a pin 4 of the chip U5 is connected to one end of the resistor R11 and one end of the capacitor C8, a battery pack negative electrode DC-end is connected to the other end of the capacitor C8, a capacitor C9 end is connected to the other end of the capacitor C9, a resistor R12 end is connected to the pin 6 of the chip U5, a battery pack negative electrode DC-end is connected to the other end of the resistor R12, and a battery pack negative electrode DC-end is connected to the pin 7 of the chip U5.
Further, pin 9 of the chip U5 is connected with the positive electrode of a diode D3, the base electrode of a triode Q7 and one end of a resistor R17, the negative electrode of the diode D3 is connected with the emitter electrode of the triode Q7, one end of a resistor R19 and one end of a resistor R20, and the other end of the resistor R17 is connected with the negative electrode DC-end of a battery pack;
the other end of the resistor R19 is connected with a grid electrode of the MOS tube Q5, the other end of the resistor R20 is connected with a grid electrode of the MOS tube Q6, a drain electrode of the MOS tube Q5 and a drain electrode of the MOS tube Q6 are connected with a negative electrode DC-end of the battery pack, and a source electrode of the MOS tube Q5 and a source electrode of the MOS tube Q6 are connected with a pin 2 of an input end of the transformer T1.
Further, a 10 pin of the chip U5 is connected with an anode of a diode D2, a base electrode of a triode Q2 and one end of a resistor R16, a cathode of the diode D2 is connected with an emitter of the triode Q2, one end of a resistor R18 and one end of a resistor R21, and the other end of the resistor R16 is connected with a cathode DC-end of a battery pack;
the other end of the resistor R18 is connected with a grid electrode of the MOS tube Q3, the other end of the resistor R21 is connected with a grid electrode of the MOS tube Q4, a source electrode of the MOS tube Q3 and a source electrode of the MOS tube Q4 are connected with a negative DC-end of the battery pack, and a drain electrode of the MOS tube Q3 and a drain electrode of the MOS tube Q4 are connected with a pin 1 of an input end of the transformer T1.
Further, the 8 feet, the 11 feet and the 12 feet of the chip U5 are connected with one end of a key S1, the other end of the key S1 is connected with a battery pack positive electrode DC+ end and one end of a fuse F1, the other end of the fuse F1 is connected with a diode D4 negative electrode and one end of an inductor L2, the positive electrode of the diode D4 is connected with a battery pack negative electrode DC-end, the other end of the inductor L2 is connected with the middle input end 3 feet of the transformer T1, the 1 foot of the output end CT2 of the transformer T1 is connected with a screw pump motor power supply binding post L1 end, the 2 foot of the output end CT2 of the transformer T1 is connected with a screw pump motor power supply binding post L3 end, the 13 feet, the 14 feet and the 15 feet of the chip U5 are connected with one end of a resistor R14, the other end of the resistor R14 is connected with one end of a capacitor C10, the other end of the capacitor C10 is connected with the battery pack negative electrode DC-end, the 16 feet of the chip U5 are connected with one end of a resistor R15, and the other end of the resistor R15 is connected with the battery pack negative electrode DC-end.
Compared with the prior art, the invention has the following technical effects:
1. the invention is provided with the mobile vehicle, the lower part of the mobile vehicle is connected with the mobile wheel, the mobile vehicle can freely and flexibly move, the top of the mobile vehicle is provided with the solar panel, the inside of the mobile vehicle is provided with the generator and the battery pack, and the battery pack is used for storing the electric quantity generated by the solar panel.
2. The control system can automatically detect whether the municipal power supply is connected or not, can switch back and forth among solar energy, the generator and the municipal power supply by using the power supply generated by the generator as a standby, and can be used as a screw pump motor for supplying power, so that the flexibility and the popularity of the screw pump in use are further enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. The various elements or portions thereof are not necessarily drawn to scale and in any particular direction in the drawings.
FIG. 1 is a diagram showing the connection of the internal structure of a mobile vehicle according to the present invention;
fig. 2 is a connection diagram of the internal structure of the battery pack according to the present invention;
FIG. 3 is a schematic diagram of a charging circuit according to the present invention;
FIG. 4 is a schematic diagram of a power circuit of the present invention;
FIG. 5 is a schematic diagram of a control circuit of the present invention;
FIG. 6 is a schematic diagram of a detection circuit according to the present invention;
FIG. 7 is a schematic diagram of an inverter circuit according to the present invention;
fig. 8 is a flow chart of a method of implementing the present invention.
In the figure: the solar energy power generation system comprises a 1-solar cell panel, a 2-mobile vehicle, a 3-screw pump, a 4-motor, a 5-battery pack, a 6-mobile wheel, a 7-generator and an 8-battery pack.
Detailed Description
As shown in fig. 1 and 2, a new energy screw pump power supply control system comprises a mobile vehicle 2, wherein a solar cell panel 1 is connected above the mobile vehicle 2, the solar cell panel 1 is used for receiving solar energy and converting the solar energy into electric energy, a screw pump 3 is arranged in the mobile vehicle 2, the end of the screw pump 3 is connected with a motor 4, the motor 4 is used for driving the screw pump 3 to work, a generator 7 and a battery pack 5 are further arranged in the mobile vehicle 2, a mobile wheel 6 is connected below the mobile vehicle 2, and the mobile wheel 6 is used for realizing the whole free movement of the mobile vehicle 2.
The battery pack 5 comprises a battery pack 8, wherein the battery pack 8 is provided with a plurality of groups, the battery packs 8 are in series connection, and each group is formed by connecting a plurality of 12-volt storage batteries in parallel.
The new energy screw pump power supply control system further comprises a charging circuit, an inverter circuit, a control circuit, a power supply circuit and a detection circuit, wherein the charging circuit is used for storing electric energy converted by solar energy into the battery pack 5, the inverter circuit is used for converting direct current in the battery pack 5 into alternating current 380V to supply power, operation of the motor 4 in the screw pump 3 is achieved, the control circuit is connected with the charging circuit, the inverter circuit, the power supply circuit and the detection circuit and used for achieving automatic operation of each function in the new energy screw pump power supply control system, and the detection circuit is used for detecting direct current voltage in the battery pack 5 and preventing the electric energy in the battery pack 5 from being too low so as to influence normal operation of the screw pump 3.
As shown in fig. 3, the charging circuit includes a chip U2, the model of the chip U2 is MAX1771, the 5 pin of the chip U2 is connected with one end of a capacitor C5, the other end of the capacitor C5 is connected with the 4 pin and the 12V-power supply of the chip U2, the 6 pin and the 7 pin of the chip U2 are connected with the 12V-power supply, the 3 pin of the chip U2 is connected with one end of a capacitor C7 and the 3 pin of the middle contact of a sliding rheostat R7, and the other end of the capacitor C7 is connected with the 12v+ power supply;
and a1 pin of the sliding rheostat R7 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with a 12V-power supply, a 2 pin of the sliding rheostat R7 is connected with one end of a resistor R6, and the other end of the resistor R6 is connected with a 12V+ power supply.
The 8 feet of the chip U2 are connected with one end of a resistor R5 and a source electrode of a MOS tube Q1, the other end of the resistor R5 is connected with a 12V-power supply, a drain electrode of the MOS tube Q1 is connected with an anode of a diode D1 and one end of an inductor L1, the other end of the inductor L1 is connected with one end of a capacitor C4 and an anode of a solar cell panel DCB, the other end of the capacitor C4 is connected with a 12V-power supply, a cathode of the diode D1 is connected with a 12V+ power supply, a 2 foot of the chip U2 and one end of a capacitor C6, the other end of the capacitor C6 and the cathode of the solar cell panel DCB are connected with a 12V-power supply, and a grid electrode of the MOS tube Q1 is connected with a1 foot of the chip U2.
The MAX1771 boost switch controller can provide output current between 30mA and 2A, and the unique current limit pulse frequency modulation control scheme enables the pulse width modulation converter of the device to receive input voltage from 2V to 16.5V when in heavy load, effectively relieves the defect of unstable input voltage of a solar cell panel under the condition of unstable illumination intensity, and enables the charging circuit to stably output direct current 12V+ power supply by adjusting resistance values of resistors R6, R8 and a slide rheostat R7 for supplementing electric quantity to a battery in a battery pack.
As shown in fig. 4, the power supply circuit includes a chip U3, the model of the chip U3 is AMS1117, a 12v+ power supply and one end of a capacitor C14 are connected to a1 pin of the chip U3, the other end of the capacitor C14 is connected to a ground wire, a resistor R24 end and a resistor R25 end are connected to a 2 pin of the chip U3, the other end of the resistor R25 is connected to a ground wire, the other end of the resistor R24 is connected to a 3 pin of the chip U3, one end of a capacitor C15 and a 3.3v+ power supply, and the other end of the capacitor C15 is connected to a ground wire.
The chip U3 is a forward low-voltage-drop voltage stabilizer with the output voltage of 3.3V, is suitable for a high-efficiency linear voltage stabilizer, the input end of the chip U3 is connected with a battery pack 12V+ power supply, and the battery pack 12V+ power supply is converted into a 3.3V+ power supply through the chip U3 by filtering of a capacitor C14 and is used for providing the 3.3V+ power supply for the novel energy screw pump power supply control system.
As shown in FIG. 5, the control circuit comprises a chip U1, the model of the chip U1 is STM32F1038CT6-QFN36, the 2 pin of the chip U1 is connected with the 1 pin of the crystal oscillator Y1 and one end of a capacitor C1, the 3 pin of the chip U1 is connected with the 3 pin of the crystal oscillator Y1 and one end of the capacitor C2, the other end of the capacitor C1, the other end of the capacitor C2 and the 2 pin of the crystal oscillator Y1 are connected with a ground wire, the 4 pin of the chip U1 is connected with one end of the capacitor C3 and one end of a resistor R1, the other end of the resistor R1 is connected with a 3.3V+ power supply, the 5 pin, the 18 pin, the 26 pin and the 36 pin of the chip U1 are connected with a 3.3V+ power supply, and the 6 pin, the 19 pin and the 27 pin of the chip U1 are connected with a ground wire.
The utility model discloses a chip U1's 7 feet are connected with intermediate relay K3's 4 feet, intermediate relay K3's 3 feet are connected with intermediate relay K2's 4 feet, intermediate relay K2's 3 feet are connected with intermediate relay K1's 4 feet, intermediate relay K1's 3 feet are connected with 3.3V+ power, intermediate relay K1's 1 foot is connected with municipal power 380 volt A phase, intermediate relay K1's 2 feet are connected with municipal power 380 volt B phase, intermediate relay K2's 1 foot is connected with municipal power 380 volt A phase, intermediate relay K2's 2 feet are connected with municipal power 380 volt C phase, intermediate relay K3's 1 foot is connected with municipal power 380 volt B phase, intermediate relay K3's 2 feet are connected with municipal power 380 volt C phase.
When the municipal power supply 380V is connected to the new energy screw pump power supply control system, the intermediate relays K1, K2 and K3 are started, the 3 feet and 4 feet of the intermediate relay K1, the 3 feet and 4 feet of the intermediate relay K2 are communicated with the 3 feet and 4 feet of the intermediate relay K3, and the 7 feet of the chip U1 detect that the municipal power supply 380V is connected.
The chip U1's 10 foot is connected with resistance R2 one end, and the resistance R2 other end is connected with the 1 foot of chip U6, and chip U6 is the opto-coupler, and the model is PC814, and the 2 foot of chip U6 is connected with the ground wire, and the 3 foot of chip U6 is connected with 12V+ power, and the 4 foot of chip U6 is connected with the signal line of contactor KM 1.
When the 10 pins of the chip U1 output high level, the optocoupler chip U6 is conducted, and then the signal line of the contactor KM1 is connected with a 12V+ power supply to conduct, so that the power supply of the battery pack to the screw pump motor is realized.
The chip U1's 11 foot is connected with resistance R3 one end, and the resistance R3 other end is connected with chip U7's 1 foot, and chip U7 is the opto-coupler, and the model is PC814, and chip U7's 2 foot is connected with the ground wire, and chip U7's 3 foot is connected with 12V+ power, and chip U7's 4 foot is connected with contactor KM 2's signal line.
When the 11 pin of the chip U1 outputs high level, the optocoupler chip U7 is conducted, and then the signal line of the contactor KM2 is connected with a 12V+ power supply to conduct, so that the municipal power supply 380V supplies power to the screw pump motor.
The 12 feet of the chip U1 are connected with one end of a resistor R4, the other end of the resistor R4 is connected with the 1 foot of the chip U8, the chip U8 is an optocoupler, the model is PC814, the 2 feet of the chip U8 are connected with a ground wire, the 3 feet of the chip U8 are connected with a 12V+ power supply, and the 4 feet of the chip U8 are connected with a signal wire of a contactor KM 3.
When the 12-pin output of the chip U1 is high level, the optocoupler chip U8 is conducted, and then the signal line of the contactor KM3 is connected with a 12V+ power supply to conduct, so that the power supply of the screw pump motor by the generator is realized.
As shown in fig. 6, the detection circuit includes a chip U4, the model of the chip U4 is AD7705, the 2 pin of the chip U4 is connected with the 1 pin of the crystal oscillator Y2 and one end of the capacitor C12, the 3 pin of the chip U1 is connected with the 3 pin of the crystal oscillator Y2 and one end of the capacitor C13, the other end of the capacitor C12, the other end of the capacitor C13 and the 2 pin of the crystal oscillator Y2 are connected with ground wires, the 7 pin of the chip U4 is connected with a battery pack positive pole dc+ end, the 8 pin of the chip U4 is connected with a battery pack negative pole DC-end, the 9 pin of the chip U4 is connected with a resistor R22 end and a resistor R23 end, the other end of the resistor R22 is connected with a 3.3v+ power supply, the other end of the resistor R23 and the 10 pin of the chip U4 are connected with ground wires, the 5 pin of the chip U4 is connected with the 19 pin of the chip U1, the 5 pin of the chip U4 is connected with the 20 pin of the chip U1, the 1 pin of the chip U4 is connected with the 21 pin of the chip U1, the 13 pin of the chip U4 is connected with the pin 22 of the chip U4, the pin of the chip U14 is connected with the pin of the chip U1, and the pin 24 is connected with the chip U1 is connected with the pin 24 of the chip U1.
The chip U4 detects the direct current voltage of the battery pack through 7 feet and 8 feet, the resistors R22 and R23 are used for adjusting the standard proportion voltage in the chip U4, an accurate base point is provided for the direct current voltage of the battery pack, the direct current voltage is converted through the chip U4 and transmitted to the chip U1, when the voltage in the battery pack is too low, the chip U1 sends an instruction, the contactor KM1 is disconnected, thereby the power supply of the battery pack to the screw pump motor is disconnected, after the chip U1 detects that a municipal power supply is connected, the contactor KM2 is connected, the power supply of the municipal power supply 380V to the screw pump motor is realized, when no municipal power supply is detected, the contactor KM3 is connected, and the power supply of the screw pump motor by the generator is realized.
As shown in fig. 7, the inverter circuit includes a chip U5, the model of the chip U5 is DA1TL494, the 1 pin of the chip U5 is connected with one end of a resistor R10 and one end of a resistor R9, the other end of the resistor R10 is connected with a negative DC-end of a battery pack, the other end of the resistor R9 is connected with a negative electrode of a diode D4 and a negative electrode of the diode D5, the negative electrode of the diode D4 is connected with one end of a transformer T1 outlet CT1, and the negative electrode of the diode D5 is connected with the other end of the transformer T1 outlet CT 1.
The battery pack negative electrode DC-type battery pack is characterized in that a resistor R13 end is connected to a pin 2 of the chip U5, a capacitor C11 end is connected to the other end of the resistor R13, a pin 3 of the chip U5 is connected to the other end of the capacitor C11, a pin 4 of the chip U5 is connected to one end of the resistor R11 and one end of the capacitor C8, a battery pack negative electrode DC-end is connected to the other end of the capacitor C8, a capacitor C9 end is connected to the other end of the capacitor C9, a resistor R12 end is connected to the pin 6 of the chip U5, a battery pack negative electrode DC-end is connected to the other end of the resistor R12, and a battery pack negative electrode DC-end is connected to the pin 7 of the chip U5.
The 9 feet of the chip U5 are connected with the positive electrode of the diode D3, the base electrode of the triode Q7 and one end of the resistor R17, the negative electrode of the diode D3 is connected with the emitting electrode of the triode Q7, one end of the resistor R19 and one end of the resistor R20, and the other end of the resistor R17 is connected with the negative electrode DC-end of the battery pack.
The other end of the resistor R19 is connected with a grid electrode of the MOS tube Q5, the other end of the resistor R20 is connected with a grid electrode of the MOS tube Q6, a drain electrode of the MOS tube Q5 and a drain electrode of the MOS tube Q6 are connected with a negative electrode DC-end of the battery pack, and a source electrode of the MOS tube Q5 and a source electrode of the MOS tube Q6 are connected with a pin 2 of an input end of the transformer T1.
And a 10 pin of the chip U5 is connected with an anode of a diode D2, a base electrode of a triode Q2 and one end of a resistor R16, a cathode of the diode D2 is connected with an emitter of the triode Q2, one end of a resistor R18 and one end of a resistor R21, and the other end of the resistor R16 is connected with a cathode DC-end of a battery pack.
The other end of the resistor R18 is connected with a grid electrode of the MOS tube Q3, the other end of the resistor R21 is connected with a grid electrode of the MOS tube Q4, a source electrode of the MOS tube Q3 and a source electrode of the MOS tube Q4 are connected with a negative DC-end of the battery pack, and a drain electrode of the MOS tube Q3 and a drain electrode of the MOS tube Q4 are connected with a pin 1 of an input end of the transformer T1.
The LED chip is characterized in that pins 8, 11 and 12 of the chip U5 are connected with one end of a key S1, the other end of the key S1 is connected with a battery pack anode DC+ end and one end of a fuse F1, the other end of the fuse F1 is connected with a diode D4 cathode and one end of an inductor L2, the anode of the diode D4 is connected with a battery pack anode DC-end, the other end of the inductor L2 is connected with an intermediate input end 3 pin of a transformer T1, 1 pin of an output end CT2 of the transformer T1 is connected with a screw pump motor power supply binding post L1 end, 2 pin of the output end CT2 of the transformer T1 is connected with a screw pump motor power supply binding post L2 end, 3 pin of the output end CT2 of the transformer T1 is connected with a resistor R14 end, the other end of the resistor R14 is connected with one end of a capacitor C10, the other end of the capacitor C10 is connected with a battery pack anode DC-end, 16 pin of the chip U5 is connected with a resistor R15 end, and the other end of the resistor R15 is connected with a battery pack anode DC-end.
The direct current electric quantity in the battery pack is input into the inverter circuit through the DC+ and DC-pin ends, and the direct current voltage is inverted into an alternating current 380-volt power supply through constant voltage feedback control of the chip U5, so that the screw pump motor is stably driven to operate.
The new energy screw pump power supply control system also comprises an implementation method, and the implementation method is implemented by the following steps.
As shown in fig. 8, the flow starts at step S100, and the flow starts and step S101 is executed;
step S101, the chip U1 judges whether the voltage of the battery pack reaches a set value; if yes, executing step S102; if not, executing step S201;
step S102, outputting a high level by a 10-pin of a chip U1, and switching on a contactor KM 1; after completion, step S103 is performed;
step S103, a screw pump motor is powered by a battery pack, and the screw pump operates; after completion, step S101 is executed;
step S201, the chip U1 judges whether the municipal power supply 380V is connected; if yes, executing step S202; if not, executing step S301;
step S202, the 11 pin of the chip U1 outputs a high level, and the contactor KM2 is connected; after completion, step S203 is executed;
step S203, a screw pump motor is powered by a municipal power supply, and the screw pump operates; after completion, step S101 is executed;
step S301, starting a generator; after completion, step S302 is performed;
step S302, the 12 pins of the chip U1 output a high level, and the contactor KM3 is connected; after completion, step S303 is executed;
step S303, a screw pump motor is powered by a generator, and the screw pump operates; after completion, step S101 is performed.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. A new forms of energy screw pump power supply control system, its characterized in that: the solar energy power generation device comprises a mobile vehicle (2), wherein a solar cell panel (1) is connected above the mobile vehicle (2), a screw pump (3) is arranged at the inner bottom of the mobile vehicle (2), a motor (4) is connected at the tail end of the screw pump (3), a generator (7) and a battery pack (5) are further arranged in the mobile vehicle (2), and a mobile wheel (6) is connected below the mobile vehicle (2);
the battery pack (5) comprises battery packs (8), wherein the battery packs (8) are provided with a plurality of groups, the battery packs (8) are in series connection, and each group is formed by connecting a plurality of 12-volt storage batteries in parallel;
the power supply circuit is connected with the power supply circuit and the detection circuit;
the control circuit comprises a chip U1, the model of the chip U1 is STM32F1038CT6-QFN36, the 2 pin of the chip U1 is connected with the 1 pin of the crystal oscillator Y1 and one end of a capacitor C1, the 3 pin of the chip U1 is connected with the 3 pin of the crystal oscillator Y1 and one end of a capacitor C2, the other end of the capacitor C1, the other end of the capacitor C2 and the 2 pin of the crystal oscillator Y1 are connected with ground wires, the 4 pin of the chip U1 is connected with one end of the capacitor C3 and one end of a resistor R1, the other end of the capacitor C3 is connected with the ground wire, the other end of the resistor R1 is connected with a 3.3V+ power supply, the 5 pin, the 18 pin, the 26 pin and the 36 pin of the chip U1 are connected with the 3.3V+ power supply, and the 6 pin, the 19 pin and the 27 pin of the chip U1 are connected with the ground wires;
the chip U1 is characterized in that the 7 pin of the chip U1 is connected with the 4 pin of the intermediate relay K3, the 3 pin of the intermediate relay K3 is connected with the 4 pin of the intermediate relay K2, the 3 pin of the intermediate relay K2 is connected with the 4 pin of the intermediate relay K1, the 3 pin of the intermediate relay K1 is connected with a 3.3V+ power supply, the 1 pin of the intermediate relay K1 is connected with a municipal power supply 380V A phase, the 2 pin of the intermediate relay K1 is connected with a municipal power supply 380V B phase, the 1 pin of the intermediate relay K2 is connected with a municipal power supply 380V A phase, the 2 pin of the intermediate relay K2 is connected with a municipal power supply 380V C phase, the 1 pin of the intermediate relay K3 is connected with a municipal power supply 380V B phase, and the 2 pin of the intermediate relay K3 is connected with a municipal power supply 380V C phase;
the chip U1 is characterized in that the 10 pin of the chip U1 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with the 1 pin of the chip U6, the chip U6 is an optocoupler, the model is PC814, the 2 pin of the chip U6 is connected with a ground wire, the 3 pin of the chip U6 is connected with a 12V+ power supply, and the 4 pin of the chip U6 is connected with a signal wire of a contactor KM 1;
the chip U1 is characterized in that the 11 pin of the chip U1 is connected with one end of a resistor R3, the other end of the resistor R3 is connected with the 1 pin of a chip U7, the chip U7 is an optocoupler, the model is PC814, the 2 pin of the chip U7 is connected with a ground wire, the 3 pin of the chip U7 is connected with a 12V+ power supply, and the 4 pin of the chip U7 is connected with a signal wire of a contactor KM 2;
the 12 pins of the chip U1 are connected with one end of a resistor R4, the other end of the resistor R4 is connected with the 1 pin of the chip U8, the chip U8 is an optocoupler, the model is PC814, the 2 pins of the chip U8 are connected with a ground wire, the 3 pins of the chip U8 are connected with a 12V+ power supply, and the 4 pins of the chip U8 are connected with a signal wire of a contactor KM 3;
the detection circuit comprises a chip U4, the model of the chip U4 is AD7705, the 2 pin of the chip U4 is connected with the 1 pin of a crystal oscillator Y2 and one end of a capacitor C12, the 3 pin of the chip U1 is connected with the 3 pin of the crystal oscillator Y2 and one end of a capacitor C13, the other end of the capacitor C12, the other end of the capacitor C13 and the 2 pin of the crystal oscillator Y2 are connected with ground wires, the 7 pin of the chip U4 is connected with a battery pack anode DC+ end, the 8 pin of the chip U4 is connected with a battery pack cathode DC-end, the 9 pin of the chip U4 is connected with one end of a resistor R22 and one end of a resistor R23, the other end of the resistor R22 is connected with a 3.3V+ power supply, the other end of the resistor R23 and the 10 pin of the chip U4 are connected with ground wires, the 5 pin of the chip U4 is connected with the 20 pin of the chip U1, the 1 pin of the chip U4 is connected with the 21 pin of the chip U1, the 13 pin of the chip U4 is connected with the 22 pin of the chip U1, the 14 pin of the chip U4 is connected with the pin of the chip U1, the 4 pin of the chip U4 is connected with the chip U24 pin of the chip U1, the pin 4 is connected with the chip U24 pin of the chip U1, and the chip U4 is connected with the chip U1 is connected with the chip U25.
2. The new energy screw pump power supply control system as claimed in claim 1, wherein the charging circuit comprises a chip U2, the type of the chip U2 is MAX1771, a pin 5 of the chip U2 is connected with one end of a capacitor C5, the other end of the capacitor C5 is connected with a pin 4 and a power supply 12V of the chip U2, a pin 6 and a pin 7 of the chip U2 are connected with a power supply 12V, a pin 3 of the chip U2 is connected with one end of a capacitor C7 and a pin 3 of a middle contact of a sliding rheostat R7, and the other end of the capacitor C7 is connected with a power supply 12 V+;
the 1 pin of the slide rheostat R7 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with a 12V-power supply, the 2 pin of the slide rheostat R7 is connected with one end of a resistor R6, and the other end of the resistor R6 is connected with a 12V+ power supply;
the 8 feet of the chip U2 are connected with one end of a resistor R5 and a source electrode of a MOS tube Q1, the other end of the resistor R5 is connected with a 12V-power supply, a drain electrode of the MOS tube Q1 is connected with an anode of a diode D1 and one end of an inductor L1, the other end of the inductor L1 is connected with one end of a capacitor C4 and an anode of a solar cell panel DCB, the other end of the capacitor C4 is connected with a 12V-power supply, a cathode of the diode D1 is connected with a 12V+ power supply, a 2 foot of the chip U2 and one end of a capacitor C6, the other end of the capacitor C6 and the cathode of the solar cell panel DCB are connected with a 12V-power supply, and a grid electrode of the MOS tube Q1 is connected with a1 foot of the chip U2.
3. The new energy screw pump power supply control system according to claim 1, wherein the power supply circuit comprises a chip U3, the type of the chip U3 is AMS1117, a 12v+ power supply and one end of a capacitor C14 are connected to a1 pin of the chip U3, the other end of the capacitor C14 is connected with a ground wire, a 2 pin of the chip U3 is connected with one end of a resistor R24 and one end of a resistor R25, the other end of the resistor R25 is connected with the ground wire, the other end of the resistor R24 is connected with a 3 pin of the chip U3, one end of a capacitor C15 and 3.3v+ power supply, and the other end of the capacitor C15 is connected with the ground wire.
4. The new energy screw pump power supply control system according to claim 1, wherein the inverter circuit comprises a chip U5, the model of the chip U5 is DA1TL494, the 1 pin of the chip U5 is connected with one end of a resistor R10 and one end of a resistor R9, the other end of the resistor R10 is connected with a battery pack negative electrode DC-end, the other end of the resistor R9 is connected with a diode D4 negative electrode and a diode D5 negative electrode, the diode D4 negative electrode is connected with one end of a transformer T1 head CT1, and the diode D5 negative electrode is connected with the other end of the transformer T1 head CT 1;
the battery pack negative electrode DC-type battery pack is characterized in that a resistor R13 end is connected to a pin 2 of the chip U5, a capacitor C11 end is connected to the other end of the resistor R13, a pin 3 of the chip U5 is connected to the other end of the capacitor C11, a pin 4 of the chip U5 is connected to one end of the resistor R11 and one end of the capacitor C8, a battery pack negative electrode DC-end is connected to the other end of the capacitor C8, a capacitor C9 end is connected to the other end of the capacitor C9, a resistor R12 end is connected to the pin 6 of the chip U5, a battery pack negative electrode DC-end is connected to the other end of the resistor R12, and a battery pack negative electrode DC-end is connected to the pin 7 of the chip U5.
5. The new energy screw pump power supply control system according to claim 4, wherein pin 9 of the chip U5 is connected with the anode of a diode D3, the base of a triode Q7 and one end of a resistor R17, the cathode of the diode D3 is connected with the emitter of the triode Q7, one end of a resistor R19 and one end of a resistor R20, and the other end of the resistor R17 is connected with the cathode DC-end of a battery pack;
the other end of the resistor R19 is connected with a grid electrode of the MOS tube Q5, the other end of the resistor R20 is connected with a grid electrode of the MOS tube Q6, a drain electrode of the MOS tube Q5 and a drain electrode of the MOS tube Q6 are connected with a negative electrode DC-end of the battery pack, and a source electrode of the MOS tube Q5 and a source electrode of the MOS tube Q6 are connected with a pin 2 of an input end of the transformer T1.
6. The new energy screw pump power supply control system according to claim 4, wherein the 10 pins of the chip U5 are connected with the anode of a diode D2, the base of the triode Q2 and one end of a resistor R16, the cathode of the diode D2 is connected with the emitter of the triode Q2, one end of a resistor R18 and one end of a resistor R21, and the other end of the resistor R16 is connected with the cathode DC-end of a battery pack;
the other end of the resistor R18 is connected with a grid electrode of the MOS tube Q3, the other end of the resistor R21 is connected with a grid electrode of the MOS tube Q4, a source electrode of the MOS tube Q3 and a source electrode of the MOS tube Q4 are connected with a negative DC-end of the battery pack, and a drain electrode of the MOS tube Q3 and a drain electrode of the MOS tube Q4 are connected with a pin 1 of an input end of the transformer T1.
7. The new energy screw pump power supply control system according to claim 4, wherein the 8 pin, the 11 pin and the 12 pin of the chip U5 are connected with a key S1 end, the other end of the key S1 is connected with a battery pack positive electrode DC+ end and a fuse F1 end, the other end of the fuse F1 is connected with a diode D4 negative electrode and an inductor L2 end, the diode D4 positive electrode is connected with a battery pack negative electrode DC-end, the other end of the inductor L2 is connected with a transformer T1 middle input end 3 pin, the 1 pin of the output end CT2 head of the transformer T1 is connected with a screw pump motor power supply terminal L1 end, the 2 pin of the output end CT2 head of the transformer T1 is connected with a screw pump motor power supply terminal L2 end, the 3 pin of the output end CT2 of the transformer T1 is connected with a screw pump motor power supply terminal L3 end, the 13 pin, the 14 pin and the 15 pin of the chip U5 are connected with a resistor R14 end, the other end of the resistor R14 is connected with a capacitor C10 end, the other end of the capacitor C10 is connected with a battery pack negative electrode DC-end, the 16 pin of the chip U5 is connected with a resistor R15 end, and the negative electrode R15 is connected with a battery pack negative electrode DC-end.
CN202410026279.4A 2024-01-09 2024-01-09 New forms of energy screw pump power supply control system Active CN117543788B (en)

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