CN209805490U - Low-power consumption power supply device - Google Patents
Low-power consumption power supply device Download PDFInfo
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- CN209805490U CN209805490U CN201920729676.2U CN201920729676U CN209805490U CN 209805490 U CN209805490 U CN 209805490U CN 201920729676 U CN201920729676 U CN 201920729676U CN 209805490 U CN209805490 U CN 209805490U
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Abstract
The utility model provides a low-power consumption power supply device in the technical field of oil field ground pumping unit monitoring, which comprises a power supply circuit, a voltage stabilizing circuit and a voltage conversion circuit, wherein the power supply circuit comprises a lithium battery unit and a solar battery, the solar battery charges the lithium battery unit, and the output end of the voltage stabilizing circuit is connected with the input end of the voltage conversion circuit; the utility model discloses realize long-term work non-maintaining, raise the efficiency.
Description
Technical Field
The utility model relates to an oil field ground beam-pumping unit monitoring technology field, in particular to low-power consumption power supply unit.
Background
The oil well indicator collects the displacement and load data of the pumping rod when the oil pumping unit in the oil field operates, and then the displacement and load data are synthesized by the oil well indicator for well condition analysis and liquid production calculation. The conventional integrated indicator cannot be suitable for an oil well with low stroke frequency, and when the stroke frequency is lower than 1 time per minute, the indicator diagram is seriously distorted and cannot be normally used. The load instrument and the position sensor form a split type indicator, the indicator diagram of the low-stroke-frequency oil well can be effectively measured, and when the stroke frequency is lower than 0.5 time/time, the indicator diagram can not be distorted.
Wherein, if the device for detecting sucker rod load does not work for a long time at intervals, the battery for supplying power for it can only work for five days and just need the manual work to charge, needs regularly spend time energy to maintain detection device's power supply work, and troublesome poeration reduces work efficiency.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model discloses an overcome the weak point among the prior art, provide a low-power consumption power supply unit, solve among the prior art power supply and maintain troublesome technical problem, the utility model discloses realize that long-term work is non-maintaining, raises the efficiency.
The purpose of the utility model is realized like this: the utility model provides a low-power consumption power supply unit, includes supply circuit, voltage stabilizing circuit and voltage conversion circuit, supply circuit includes lithium cell and solar cell, solar cell charges for lithium cell, lithium cell supplies power for voltage stabilizing circuit, and voltage stabilizing circuit's output is connected voltage conversion circuit's input.
As long as the external environment is bright, the solar battery charges the lithium battery unit, the lithium battery unit does not need to be detached for charging, and the maintenance-free purpose of long-term power supply is realized; the power supply device can be applied to the work of supplying power to the load detection device.
In order to control the interval time of transmitting the battery voltage signal, the lithium battery power supply further comprises a timing circuit, the output end of the timing circuit is connected with the input end of the voltage stabilizing circuit, the lithium battery unit outputs a power supply VCC, and the power supply VCC supplies power to the timing circuit.
In order to further realize the utility model discloses a power supply, supply circuit is still including preventing diode D2, and the positive pole of diode D2 is prevented in solar cell's positive connection, prevent that diode D2's negative pole is connected insurance resistance R12 one end, the lithium cell's positive pole is connected to the insurance resistance R12 other end, lithium cell's positive pole linked switch SW 1's one end, switch SW 1's other end output power VCC, lithium cell's negative pole ground connection.
In order to realize the control of the battery voltage signal emission interval, the timing circuit comprises a debugging socket S1, a power supply VCC is connected with the anode of the debugging socket S1, the cathode of the debugging socket S1 is connected with the cathode of a pole capacitor C5, the cathode of a pole capacitor C12, one end of a resistor R1, the anode of a diode D1 and the inverting input end of an operational amplifier U1A, the cathode of the diode D1 is connected with one end of a resistor R14, one end of the resistor R1 is connected with one end of a resistor R13, the operational amplifier U1A is connected with the other end of the resistor R14, the other end of the resistor R13, one end of the resistor R3 and one end of the resistor R5, the other end of the resistor R3 is connected with one end of a resistor R2, one end of a resistor R4 and the non-inverting input end of an operational amplifier U1A, the other end of the resistor R5 is connected with the base electrode of a PNP type triode Q4, and the power supply VCC is also connected with the anode of a polar capacitor C5, the anode of a polar capacitor C12, the other end of the resistor R4 and the emitter of the triode Q4.
In order to generate stable +6V voltage, the voltage stabilizing circuit comprises a resistor R11, one end of a collector connecting resistor R11 of the triode Q4 is connected with a collector of an NPN-type triode Q3, the other end of the resistor R11 is connected with one fixed end of an adjustable resistor RP1, the other fixed end of the adjustable resistor RP1 is connected with one end of a capacitor C1, the base of the triode Q1 and the negative electrode of a polar capacitor C9, the other end of the capacitor C1 and the emitter of the triode Q1 are respectively connected with an adjusting end of the adjustable resistor RP1, the collector of the triode Q1 is connected with the base of the triode Q3, the emitter of the triode Q3 is connected with the positive electrode of the polar capacitor C9, the emitter of the triode Q3 outputs +6V voltage and is connected with the positive electrode of the polar capacitor C9, and the base of the triode Q1 is connected with the negative electrode.
In order to generate +5V and-5V voltages, the voltage conversion circuit comprises an operational amplifier U1B, a collector of the triode Q4 is connected with one end of a resistor R6, the other end of the resistor R6 is connected with one end of a resistor R7, one end of a resistor R8 and a non-inverting input end of an operational amplifier U1B, an inverting input end of the operational amplifier U1B is connected with one end of a capacitor C10, one end of a resistor R18 and one end of a resistor R17, the other end of the resistor R17 is connected with an anode of a diode D3, a cathode of a diode D3 is connected with one end of an adjustable resistor RP2, the other end of the adjustable resistor RP2 is connected with the other end of the resistor R2, one end of the resistor R2, an output end of the operational amplifier U1 2 and the other end of the resistor R2, the other end of the resistor R2 is connected with a base of a PNP type triode Q2 and a base of an NPN-type triode Q2, an emitter of, The positive electrode of a polar capacitor C11, the negative electrode of a polar capacitor C19, one end of a capacitor C15 and one end of a capacitor C8, the positive electrode of a polar capacitor C19 is connected with the negative electrode of a diode D6 and the other end of a capacitor C15, the other end of a resistor R10 and the positive electrode of a diode D6 are respectively connected with +6V voltage, the other end of a capacitor C15 generates +5V voltage, one end of a capacitor C15 generates power supply VSS, the other end of a capacitor C8 and the negative electrode of a polar capacitor C11 are both connected with the positive electrode of a diode D5, the other end of a capacitor C8 generates-5V voltage, and the negative electrode of a polar capacitor C9, the other end of a capacitor C10, the other end of a resistor R8, the other end of a capacitor C2, the emitter of a triode.
Drawings
Fig. 1 is a circuit diagram of the present invention.
Fig. 2 is a circuit diagram of the power supply circuit of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, a low power consumption power supply device includes a power supply circuit, a voltage stabilizing circuit and a voltage converting circuit, wherein the power supply circuit includes a lithium battery unit and a solar battery, the solar battery charges the lithium battery unit, the lithium battery unit supplies power to the voltage stabilizing circuit, and an output end of the voltage stabilizing circuit is connected to an input end of the voltage converting circuit; the specific structure of the power supply circuit is that the anode of the solar battery is connected with the anode of an anti-reverse diode D2, the cathode of an anti-reverse diode D2 is connected with one end of a safety resistor R12, the other end of the safety resistor R12 is connected with the anode of a lithium battery unit, the anode of the lithium battery unit is connected with one end of a switch SW1, the other end of the switch SW1 outputs a power supply VCC, and the cathode of the lithium battery unit is grounded; in order to control the interval time of the battery voltage signal emission, the lithium battery pack further comprises a timing circuit, the output end of the timing circuit is connected with the input end of the voltage stabilizing circuit, the lithium battery unit outputs a power supply VCC, and the power supply VCC supplies power to the timing circuit; the timing circuit comprises a debugging socket S1, a power supply VCC is connected with the anode of the debugging socket S1, the cathode of the debugging socket S1 is connected with the cathode of a pole capacitor C5, the cathode of a pole capacitor C12, one end of a resistor R1, the anode of a diode D1 and the inverting input end of an operational amplifier U1A, the cathode of the diode D1 is connected with one end of a resistor R14, one end of a resistor R1 is connected with one end of a resistor R13, the operational amplifier U1A is connected with the other end of a resistor R14, the other end of a resistor R13, one end of a resistor R3 and one end of a resistor R5, the other end of a resistor R3 is connected with one end of a resistor R2, one end of a resistor R2 and the non-inverting input end of an operational amplifier U1 2, the other end of the resistor R2 is connected with the base of a PNP type triode Q2, and the power supply VCC is also connected with the anode; in order to transmit the power supply VCC, the collector of the transistor Q4 is connected to one end of the capacitor C7 and one end of the resistor R15, the other end of the resistor R15 is connected to the cathode of the zener diode D4, the anode of the zener diode D4 is connected to one end of the resistor R19, the anode of the polar capacitor C20 and the pin 3 and the pin 4 of the connection terminal CN1, and the other end of the capacitor C7 is grounded.
In order to generate stable +6V voltage, the voltage stabilizing circuit comprises a resistor R11, one end of a collector connecting resistor R11 of a triode Q4 is connected with a collector of an NPN type triode Q3, the other end of the resistor R11 is connected with one fixed end of an adjustable resistor RP1, the other fixed end of the adjustable resistor RP1 is connected with one end of a capacitor C1, the base of a triode Q1 is connected with the negative electrode of a polar capacitor C9, the other end of the capacitor C1 and the emitter of a triode Q1 are respectively connected with the adjusting end of the adjustable resistor RP1, the collector of a triode Q1 is connected with the base of a triode Q3, the emitter of a triode Q3 is connected with the positive electrode of the polar capacitor C9, the emitter of the triode Q3 outputs +6V voltage and is connected with the positive electrode of the polar capacitor C9, and the base of the triode Q1.
In order to generate +5V and-5V voltages, the voltage conversion circuit comprises an operational amplifier U1B, a collector of a triode Q4 is connected with one end of a resistor R6, the other end of the resistor R6 is connected with one end of a resistor R7, one end of a resistor R8 and a non-inverting input end of an operational amplifier U1B, an inverting input end of the operational amplifier U1B is connected with one end of a capacitor C10, one end of a resistor R18 and one end of a resistor R17, the other end of the resistor R17 is connected with an anode of a diode D3, a cathode of a diode D3 is connected with one end of an adjustable resistor RP2, the other end of the adjustable resistor RP2 is connected with the other end of a resistor R2, one end of a resistor R2, an output end of the operational amplifier U1 2 and the other end of a resistor R2, the other end of the resistor R2 is connected with a base of a PNP type triode Q2 and a base of the NPN type triode Q2, The positive electrode of the polar capacitor C11, the negative electrode of the polar capacitor C19, one end of a capacitor C15 and one end of a capacitor C8, the positive electrode of the polar capacitor C19 is connected with the negative electrode of the diode D6 and the other end of the capacitor C15, the other end of the resistor R10 and the positive electrode of the diode D6 are respectively connected with +6V voltage, the other end of the capacitor C15 generates +5V voltage, one end of the capacitor C15 generates power supply VSS, the other end of the capacitor C8 and the negative electrode of the polar capacitor C11 are both connected with the positive electrode of the diode D5, the other end of the capacitor C8 generates-5V voltage, and the negative electrode of the polar capacitor C9, the other end of the capacitor C10, the other end of the resistor R8, the other end of the capacitor C2, the emitter of the; the other end of the resistor R19 and the negative electrode of the active capacitance C20 are connected to a power supply VSS.
In the utility model, the solar battery and the lithium battery unit are the prior art, the solar battery charges the lithium battery unit, the maintenance-free purpose of long-term work is realized, the voltage generated by the solar battery is generally 8-12V, the lithium battery unit is charged through the anti-reflection diode D2 and the safety resistor R12, the lithium battery unit stores electric energy and is the main body of power supply, the generated voltage is about 7.4V, and when the sunlight is insufficient or at night, the lithium battery unit provides electric energy for the voltage stabilizing circuit; the output voltage signal VCC supplies power to a timing circuit and a voltage stabilizing circuit, the timing circuit is used for controlling the working interval time of the back end circuit, the diode D1, the resistor R1, the resistor R13 and the resistor R14 control the proportion of on-off time, and the C5 and the C12 adjust the oscillation period; the +6V voltage is generated in the voltage stabilizing circuit, the +6V voltage is converted into +/-5V voltage by the voltage conversion circuit, the diode D3 and the adjusting resistor RP2 are used for adjusting voltage balance between +/-5V, the generated VSS potential is zero potential relative to the +/-5V voltage, and the VSS is different from the ground of the battery voltage; the utility model provides a lithium battery with power supply by a solar battery, which realizes the purpose of long-term maintenance-free work, and the setting of the timing circuit can control the working interval time of the rear end circuit, so that the detection device is not always in a working state, thereby reducing the power consumption; the circuit for generating +/-5V voltage is simplified, and the cost is reduced; the method can be applied to the communication work of petroleum drilling.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (6)
1. A low power consumption power supply device characterized in that: the solar charging system comprises a power supply circuit, a voltage stabilizing circuit and a voltage conversion circuit, wherein the power supply circuit comprises a lithium battery unit and a solar battery, the solar battery is used for charging the lithium battery unit, the lithium battery unit is used for supplying power to the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit is connected with the input end of the voltage conversion circuit.
2. A low-power consumption power supply device according to claim 1, wherein: the lithium battery pack further comprises a timing circuit, the output end of the timing circuit is connected with the input end of the voltage stabilizing circuit, the lithium battery unit outputs a power supply VCC, and the power supply VCC supplies power to the timing circuit.
3. A low-power consumption power supply device according to claim 1 or 2, wherein: the power supply circuit further comprises an anti-reverse diode D2, the anode of the solar battery and the anode of an anti-reverse diode D2, the cathode of the anti-reverse diode D2 is connected with one end of a safety resistor R12, the other end of the safety resistor R12 is connected with the anode of the lithium battery cell, the anode of the lithium battery cell is connected with one end of a switch SW1, the other end of the switch SW1 is connected with a power supply VCC, and the cathode of the lithium battery cell is grounded.
4. A low power consumption power supply device according to claim 3, wherein: the timing circuit comprises a debugging socket S1, a power supply VCC is connected with the anode of the debugging socket S1, the cathode of the debugging socket S1 is connected with the cathode of a pole capacitor C5, the cathode of a pole capacitor C12, one end of a resistor R1, the anode of a diode D1 and the inverting input end of an operational amplifier U1A, the cathode of a diode D1 is connected with one end of a resistor R14, one end of a resistor R1 is connected with one end of a resistor R13, the operational amplifier U1A is connected with the other end of a resistor R14, the other end of a resistor R13, one end of a resistor R3 and one end of a resistor R5, the other end of a resistor R3 is connected with one end of a resistor R2, one end of a resistor R2 and the non-inverting input end of an operational amplifier U1 2, the other end of the resistor R2 is connected with the base of a PNP type triode Q2, and the power supply VCC is also connected with the anode of the pole capacitor.
5. A low power consumption power supply device according to claim 4, wherein: the voltage stabilizing circuit comprises a resistor R11, one end of a collector connecting resistor R11 of the triode Q4 is connected with a collector of an NPN type triode Q3, the other end of the resistor R11 is connected with one fixed end of an adjustable resistor RP1, the other fixed end of the adjustable resistor RP1 is connected with one end of a capacitor C1, the base of the triode Q1 is connected with the negative electrode of a polar capacitor C9, the other end of the capacitor C1 and the emitter of the triode Q1 are respectively connected with an adjusting end of the adjustable resistor RP1, the collector of the triode Q1 is connected with the base of the triode Q3, the emitter of the triode Q3 is connected with the positive electrode of the polar capacitor C9, the emitter of the triode Q3 outputs +6V voltage and is connected with the positive electrode of the polar capacitor C9, and the base of the triode Q1 is connected with the negative electrode.
6. A low power consumption power supply device according to claim 4, wherein: the voltage conversion circuit comprises an operational amplifier U1B, a collector of the triode Q4 is connected with one end of a resistor R6, the other end of the resistor R6 is connected with one end of a resistor R7, one end of a resistor R8 and a non-inverting input end of an operational amplifier U1B, an inverting input end of the operational amplifier U1B is connected with one end of a capacitor C10, one end of a resistor R18 and one end of a resistor R17, the other end of the resistor R17 is connected with an anode of a diode D3, a cathode of the diode D3 is connected with one end of an adjustable resistor RP 3, the other end of the adjustable resistor RP 3 is connected with the other end of the resistor R3, one end of the resistor R3, an output end of the operational amplifier U1 3 and the other end of the resistor R3, the other end of the resistor R3 is connected with a base of a PNP type triode Q3 and a base of an NPN type triode Q3, an emitter of the triode Q3 is connected with one end of the collector, The negative electrode of the polar capacitor C19, one end of the capacitor C15 and one end of the capacitor C8 are connected, the positive electrode of the polar capacitor C19 is connected with the negative electrode of the diode D6 and the other end of the capacitor C15, the other end of the resistor R10 and the positive electrode of the diode D6 are respectively connected with +6V voltage, the other end of the capacitor C15 generates +5V voltage, one end of the capacitor C15 generates a power supply VSS, the other end of the capacitor C8 and the negative electrode of the polar capacitor C11 are both connected with the positive electrode of the diode D5, the other end of the capacitor C8 generates-5V voltage, and the negative electrode of the polar capacitor C9, the other end of the capacitor C10, the other end of the resistor R8, the other end of the capacitor C2, the emitter of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729676.2U CN209805490U (en) | 2019-05-21 | 2019-05-21 | Low-power consumption power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729676.2U CN209805490U (en) | 2019-05-21 | 2019-05-21 | Low-power consumption power supply device |
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| Publication Number | Publication Date |
|---|---|
| CN209805490U true CN209805490U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920729676.2U Active CN209805490U (en) | 2019-05-21 | 2019-05-21 | Low-power consumption power supply device |
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| Country | Link |
|---|---|
| CN (1) | CN209805490U (en) |
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- 2019-05-21 CN CN201920729676.2U patent/CN209805490U/en active Active
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