CN112769208B - Low-power-consumption energy storage power supply device and method based on super capacitor - Google Patents
Low-power-consumption energy storage power supply device and method based on super capacitor Download PDFInfo
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- CN112769208B CN112769208B CN202011575327.3A CN202011575327A CN112769208B CN 112769208 B CN112769208 B CN 112769208B CN 202011575327 A CN202011575327 A CN 202011575327A CN 112769208 B CN112769208 B CN 112769208B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 101
- 238000004146 energy storage Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 230000000670 limiting effect Effects 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- 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
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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Abstract
The invention relates to a low-power-consumption energy-storage power supply device and a power supply method based on a super capacitor.
Description
Technical Field
The invention belongs to the technical field of power supplies, and particularly relates to a low-power-consumption energy storage power supply device and a power supply method based on a super capacitor.
Background
In the technical field of power sources, chemical batteries are conventionally used as energy sources of energy storage and power supply devices in order to realize standby or emergency energy storage energy conservation controlled output of products. When the electricity utilization system works normally, the electricity utilization system realizes the charging work of the chemical battery, so that when the outside is powered off, the electricity utilization system can utilize the battery energy storage to carry out the duty work without depending on the outside energy. The existing chemical battery energy storage output control mode adopted in the power utilization system has the defects of complex circuit, large power consumption, short service life and high maintenance cost.
The super capacitor is a novel energy storage element between the common capacitor and the battery, and has the advantages of high charging speed, high efficiency, long service life, excellent low-temperature performance and high reliability compared with a battery power supply mode. The power supply device for supplying power to the power utilization system is combined with the super capacitor, so that the defect of a chemical battery energy storage output control mode can be overcome well.
Disclosure of Invention
The invention solves the technical problems that: the invention designs a low-power-consumption energy-storage power supply device and a power supply method based on a super capacitor in order to solve the defects of complex circuit, high power consumption, short service life and high maintenance cost in the existing chemical battery energy-storage output control mode. The device not only can independently work under the condition of external power failure, but also can output an energy storage power supply according to preset time for the work of an electricity utilization system.
The technical scheme of the invention is as follows: the low-power-consumption energy-storage power supply device based on the super capacitor is characterized by comprising a battery, a shell, a function control module and a cover plate;
the battery is connected to the outer side of the shell, the functional control module is positioned in the shell, and the cover plate and the shell are fixedly connected and used for sealing the shell;
the function control module comprises a charging module, a super capacitor, a voltage stabilizing secondary conversion module, a condition criterion module, a low-power-consumption main control module and a driving control module;
the charging module charges by utilizing the energy of an external power supply, and meanwhile, the energy is converted into a super capacitor, and the super capacitor is rapidly charged;
the condition criterion module comprises N signal detection isolation circuits, wherein N is more than or equal to 1; the voltage signal judgment of external environment variables is realized, and when the voltage signal reaches a threshold condition, the low-power-consumption main control module starts to work and counts time; and after the specified time is reached, the low-power consumption main control module outputs a control signal to the drive control module, and the drive control module controls the energy storage power supply of the battery module to output.
The invention further adopts the technical scheme that: the condition criterion module comprises a plurality of same signal detection isolation circuits, wherein each signal detection isolation circuit comprises a diode D1, a diode D2, a diode D3, a diode D4, a current limiting resistor R1, a current limiting resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C1, a super capacitor and an optocoupler U1; one end of a diode D1 is connected with one end of a resistor R1, and the other end of the current limiting resistor R1 is respectively connected with the cathode of a diode D2, one end of the current limiting resistor R2 and the anode of the input end of an optocoupler U1; the anode of the diode D2, the other end of the current limiting resistor R2 and the negative electrode of the input end of the optocoupler U1 are connected and then commonly grounded; the positive electrode of the output end of the optical coupler U1 is connected with the positive electrode of the super capacitor, and the output negative electrode of the optical coupler U1 is connected with one end of the resistor R3; the other end of the resistor R3 is connected with the cathode of the diode D3 and the anode of the diode D4, the cathode of the diode D4 is connected with one end of the resistor R4 and one end of the resistor R5, the resistor R4 and the resistor R5 are connected in parallel, the other end of the resistor R4 is connected with the output IO of the main control chip, and the other end of the resistor R5 is connected with the capacitor C1, one end of the resistor R6 and the reset pin RST of the main control chip; the other end of the capacitor C1 is connected with the other end of the resistor R6 and the anode of the diode D3 and then is grounded together, and the anode of the diode D3 is grounded.
The invention further adopts the technical scheme that: the low-power consumption main control module comprises a resistor R7, a diode D5, a diode D6, a capacitor C2, a capacitor C3, a capacitor C4, a switch S1, a super capacitor, a power chip U2 and a main control chip U3; one end of a resistor R7 is connected with the cathode of a diode D5 and the anode of a diode D6, and the anode of the diode D5 is connected with the cathode of the super capacitor; the cathode of the diode D6 is connected with one end of the switch S1, and the other end of the switch S1 is connected with one end of the capacitor C2, one end of the capacitor C3 and the input end of the chip U2; the other end of the capacitor C2, the other end of the capacitor C3, the negative electrode of the super capacitor and the grounding end of the chip U2 are connected; the output end of the chip U2 is connected with one end of the capacitor C4 and the power end of the main control chip U3, and the other end of the capacitor C4 is connected with the GND.
The invention further adopts the technical scheme that: the main control chip U3 adopts MSP430 series chips.
The invention further adopts the technical scheme that: the driving control module comprises a resistor R8, a resistor R9, an optocoupler U4, a super capacitor and an electromagnetic relay K1; one end of the resistor R8 is connected with one end of the resistor R9 and the positive electrode of the input end of the optical coupler U4; the other end of the resistor R9 is connected with the negative electrode of the input end of the optical coupler U4 and then grounded, the positive electrode of the output end of the optical coupler U4 is connected with the positive electrode of the super capacitor, and the negative electrode of the output end of the optical coupler U4 is connected with the control coil of the electromagnetic relay K1; the output end of the battery module is connected with the positive electrode of the output end of the electromagnetic relay K1, and the negative electrode of the output end is connected with electric equipment.
The invention further adopts the technical scheme that: the optocoupler U4 adopts JGW-3019D series photocouplers.
The invention further adopts the technical scheme that: the power supply method of the low-power-consumption energy storage power supply device based on the super capacitor is characterized by comprising the following steps of:
step 1: closing a hardware switch S1 to enable the super capacitor power supply to be connected into a circuit;
step 2: the external power supply is electrified to supply power to the electric equipment; at the moment, the charging module is powered, and the super capacitor is rapidly charged by the charging module;
step 3: the power supply is stabilized by a voltage stabilizing secondary conversion module and is provided for a low-power consumption main control module; meanwhile, in the process that the condition criterion module judges the voltage signal of the environment variable, when the voltage signal reaches a threshold value, the low-power-consumption main control module starts to work and counts time;
step 4: and after the time set by the main control module software is reached, the low-power-consumption main control module outputs a control signal to the drive control module, and the drive control module controls the high-power relay to output the energy storage power supply of the battery module.
Effects of the invention
The invention has the technical effects that: the invention provides a low-power-consumption energy-storage power supply device and a power supply method based on a super capacitor, wherein the power supply device can independently work independent of energy sources of a system, and meanwhile, the energy-storage energy sources are output in a software controllable mode, so that the application requirements of low-power-consumption independent power supply and time-keeping energy-storage output of an electric system are met, the realization cost is low, the device can be repeatedly charged and used, and the device can be applied to various low-power-consumption on-duty circuits. The method comprises the following steps:
(1) The function control module in the energy storage power supply device is used as an independent logic judgment control unit, and the energy source is less. The super capacitor is adopted in the functional control module to supply power, the mode of reducing the power consumption of the system is adopted in the functional control module to prolong the working time, the microampere energy consumption of the functional control module is maintained through circuit design, the functional control module is ensured to work for more than 12 hours, and the functional control module can be applied to an energy storage and power supply device as a plate-level energy storage device.
(2) The condition criterion module comprises a plurality of signal detection isolation circuits which can detect voltage signals of environmental variables. In the circuit, the D1 selects 1N47 series voltage-stabilizing diode to play a role in judging threshold value and preventing misoperation, the U1 selects JGW-3019D photoelectric coupler to play a role in signal isolation and low leakage current loss, the leakage current is as low as +/-0.05 uA, the D4 is 1N5551 and has the leakage current as low as 1uA, the R3 has a current limiting effect, the R4, the R5 and the R6 reduce IO port output power consumption, the D3 has a voltage clamping effect, and the D4 prevents leakage current loss.
(3) The low-power consumption main control module controls whether a super capacitor power supply is connected to a circuit or not through a physical switch S1, a voltage stabilizing chip U2 with extremely small leakage current is selected as a power supply voltage stabilizing secondary conversion to use, a capacitor C2, a capacitor C3 and a capacitor C4 are all micro-leakage current filter capacitors, the low-power consumption main control module selects an MSP430 series control chip with extremely low power consumption, and when the MSP series control chip is kept in a sleep mode, the consumption is microampere energy consumption.
(4) The drive control module reduces the loss of the leakage current loop of the high-capacity battery to the battery capacity by adopting the electromagnetic relay K1 in a physical disconnection mode.
(5) A2.5F/10V super capacitor is adopted for charging and then a timing test is carried out, and the controllable output of the battery module can be realized after 12 hours, so that the comprehensive average working current is as low as 87 mu A, and the low-power consumption energy storage function is realized.
Drawings
Fig. 1: functional module block diagram of low-power energy storage power supply device based on super capacitor
Fig. 2: low-power consumption schematic diagram of low-power consumption energy storage power supply device based on super capacitor
Fig. 3: conditional criterion module circuit diagram
Fig. 4: circuit diagram of low-power consumption main control module
Fig. 5: drive control module circuit diagram
Reference numerals illustrate: 1-a battery module; 2-a housing; 3-a function control module; 4-cover plate; 3-1 is a charging module; 3-2 is a super capacitor; 3-3 is a voltage stabilizing secondary conversion module; 3-4 is a conditional criterion module; 3-5 is a low-power consumption main control module; 3-6 are driving control modules
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-5, the invention relates to a low-power-consumption energy storage power supply device based on a super capacitor, which adopts an energy storage mode of a battery module and the super capacitor, uses the super capacitor energy storage as the energy source of a low-power-consumption function control module, sets time through software of an MSP430 chip in a main control module, outputs relevant control quantity after reaching a specified time, and controls the energy storage output of the battery module to an electricity utilization system.
When the super capacitor is used for low-power-consumption power supply, the functional control module adopts MSP430 series chips with extremely low power consumption, related circuits are designed to maintain microampere-level current consumption, and circuit power consumption is reduced by adopting a mode of physically disconnecting and selecting a micro-leakage current diode or other semiconductor devices.
The invention is further explained below with reference to the figures.
As shown in fig. 1, the low-power energy storage and power supply device based on the super capacitor comprises a battery module 1 for energy storage and power supply, a shell 2, a function control module 3 and a cover plate 4.
As shown in FIG. 2, the function control module 3 comprises a charging module 3-1, a super capacitor 3-2, a voltage stabilizing secondary conversion module 3-3, a condition criterion module 3-4, a low-power consumption main control module 3-5 and a driving control module 3-6. The charging module 3-1 converts external power supply energy into the super capacitor 3-2, the secondary voltage-stabilizing conversion module 3-3 is used for carrying out secondary power supply conversion voltage stabilization after charging, the secondary voltage-stabilizing conversion module is used for working of the low-power-consumption main control module 3-5 after conversion voltage stabilization, the condition criterion module 3-4 carries out isolation detection on external conditions and judges whether the external conditions accord with the criterion, when the external conditions accord with the preset conditions, the external conditions output signals to the low-power-consumption main control module 3-5 to serve as a timing starting point, when the preset time is reached, the low-power-consumption main control module 3-5 outputs control signals to the driving control module 3-6, the replaceable battery module 1 is controlled to serve as standby energy to be connected to electric equipment/components, and energy storage and power supply are provided for the electric equipment/components.
The voltage stabilizing secondary conversion circuit converts super capacitor stored energy into energy required by the main control circuit, the resistor R7 and the voltage stabilizing diode D5 ensure that super capacitor super_cap cannot be damaged by overvoltage when being charged, the diode D6 prevents the super capacitor super_cap from forming a leakage current loop through the voltage stabilizing diode D5, the physical switch S1 controls whether a super capacitor power supply is connected into the circuit or not, the voltage stabilizing chip U2 with extremely small leakage current is selected as the power supply voltage stabilizing secondary conversion for use, the C2, the C3 and the C4 are all micro leakage current filter capacitors, the low-power consumption main control module adopts an MSP430 series control chip with extremely low power consumption, and the micro-ampere level energy consumption is realized when the super capacitor super_cap keeps a sleep mode. Therefore, the master control circuit can achieve the purpose of low power consumption.
As shown in FIG. 3, in the condition criterion module, the anode of the voltage stabilizing diode D1 is connected with the current limiting resistor R1, the other end of the resistor R1 is connected with the cathode of the diode D2, the resistor R2 and the anode of the input end of the optocoupler U1, the other end of the resistor R2 is connected with the anode of the diode D2 and the cathode of the input end of the optocoupler U1, the anode of the output end of the optocoupler U1 is connected with the anode Vsupply_cap of the super capacitor, the output end is connected with one end of the resistor R3, the other end of the resistor R3 is connected with the cathode of the voltage stabilizing diode D3 and the anode of the diode D4, the cathode of the diode D4 is connected with the resistors R4 and R5, the anode of the voltage stabilizing diode D3 is connected with the cathode DGND of the super capacitor, the other end of the resistor R4 is connected with the output IO of the master control chip, the other end of the resistor R5 is connected with the capacitor C1 and the resistor R6 and the reset pin RST of the master control chip, and the other end of the resistor C1 is connected with the anode of the diode D3.
In the embodiment, the condition criterion module is composed of N signal detection isolation circuits, wherein N is more than or equal to 1. The components in one path are selected by the model and related parameters. In the circuit, a 1N47 series voltage-stabilizing diode is selected as a threshold value judgment and misoperation prevention function, a JGW-3019D photoelectric coupler is selected as U1, a signal isolation and low leakage current loss function is achieved, and the leakage current is as low as +/-0.05 uA; the resistor R1 is a voltage-dividing and current-limiting resistor, the resistor R2 is a resistor with a value of 2k omega, the resistor R2 has the function of reducing leakage current of an output end by short-circuit protection, R3, R4, R5, R6 and a voltage-stabilizing diode D3 form a reset circuit, a RST reset signal is output, and the value is as follows: r3=300Ω, r4=12kΩ, r5=13kΩ, r6=8.2mΩ, D3 is BWB3V3S, D4 is 1N5551 with leakage current as low as 1uA, c1=0.1 uf; r3 current limiting effect, R4, R5 and R6 reduce IO port output power consumption, D3 voltage clamping effect, D4 prevents leakage current loss. The diode uses 1N4739, which has a nominal voltage of 9V. When the condition criterion voltage signal is higher than 12V, the output end of the photoelectric coupler U1 is conducted.
As shown in FIG. 4, in the low-power-consumption main control module, one end of a resistor R7 is connected with the cathode of a voltage stabilizing diode D5 and the anode of a diode D6, the anode of the voltage stabilizing diode D5 is connected with the cathode of a super capacitor super_cap, the cathode of the diode D6 is connected with the anode of the super capacitor, one end of a switch S1, the other end of the switch S1 is connected with the capacitors C2 and C3, the input end of an LDO chip U2, the other ends of the capacitors C2 and C3 are connected with GND of the LDO chip, the cathode of the super capacitor super_cap is connected with the output end of the LDO chip U2 is connected with a capacitor C4 and the power end of the main control chip U3, and the other end of the capacitor C4 is connected with GND.
As shown in fig. 5, in the driving control module, one end of a resistor R8 is connected with a resistor R9 and the positive electrode of the input end of an optocoupler U4, the other end of the resistor R9 is connected with the negative electrode of the input end of the optocoupler U4, the positive electrode of the output end of the optocoupler U4 is connected with the positive electrode vsuper_cap of the super capacitor, the negative electrode of the output end is connected with the control coil of the electromagnetic relay K1, the output end of the battery module is connected with the positive electrode of the output end of the electromagnetic relay K1, and the negative electrode of the output end is connected with the electric equipment.
In this embodiment, the driving control circuit adopts the electromagnetic relay K1 in a physical disconnection manner to reduce the loss of the leakage current loop of the high-capacity battery to the battery capacity, adopts the main control circuit to drive the micro leakage current JGW-3019D photoelectric coupler to be conducted in a manner of outputting the control signal at regular time, utilizes the energy of the super capacitor to drive the photoelectric coupler U4 to be conducted, and then closes the electromagnetic relay K1 to realize the output of the battery energy storage, wherein r8=249 Ω and r9=4.3kΩ are used for reducing the loss of the leakage current to the super capacitor capacity in the sleep mode.
In the embodiment, a 2.5F/10V super capacitor is adopted for timing test after being charged, the controllable output of the battery module can be realized after 12 hours, the comprehensive average working current of the whole device is as low as 87 mu A, and the low-power consumption energy storage output function is realized.
The implementation method comprises the following steps:
a) Closing a hardware switch S1 to enable the super capacitor power supply to be connected into a circuit;
b) The charging module works to realize quick charging of the super capacitor;
c) The power supply is stabilized through a voltage stabilizing secondary conversion circuit and is provided for the low-power consumption main control module;
d) The condition threshold judgment is realized through N signal detection isolation circuits in the condition criterion module, and the main control module starts to work and time;
e) After the specified time is reached, the low-power consumption main control module outputs a control signal to the control driving module, and the driving module controls the high-power relay to output the energy storage power supply of the battery module.
Claims (3)
1. The low-power-consumption energy-storage power supply device based on the super capacitor is characterized by comprising a battery, a shell, a function control module and a cover plate;
the battery is connected to the outer side of the shell, the functional control module is positioned in the shell, and the cover plate and the shell are fixedly connected and used for sealing the shell;
the function control module comprises a charging module, a super capacitor, a voltage stabilizing secondary conversion module, a condition criterion module, a low-power-consumption main control module and a driving control module;
the charging module charges by utilizing the energy of an external power supply, and meanwhile, the energy is converted into a super capacitor, and the super capacitor is rapidly charged;
the condition criterion module comprises N signal detection isolation circuits, wherein N is more than or equal to 1; the voltage signal judgment of external environment variables is realized, and when the voltage signal reaches a threshold condition, the low-power-consumption main control module starts to work and counts time; after the specified time is reached, the low-power consumption main control module outputs a control signal to the drive control module, and the drive control module controls the energy storage power supply of the battery module to output;
the condition criterion module comprises a plurality of same signal detection isolation circuits, wherein each signal detection isolation circuit comprises a diode D1, a diode D2, a diode D3, a diode D4, a current limiting resistor R1, a current limiting resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C1, a super capacitor and an optocoupler U1; one end of a diode D1 is connected with one end of a resistor R1, and the other end of the current limiting resistor R1 is respectively connected with the cathode of a diode D2, one end of the current limiting resistor R2 and the anode of the input end of an optocoupler U1; the anode of the diode D2, the other end of the current limiting resistor R2 and the negative electrode of the input end of the optocoupler U1 are connected and then commonly grounded; the positive electrode of the output end of the optical coupler U1 is connected with the positive electrode of the super capacitor, and the output negative electrode of the optical coupler U1 is connected with one end of the resistor R3; the other end of the resistor R3 is connected with the cathode of the diode D3 and the anode of the diode D4, the cathode of the diode D4 is connected with one end of the resistor R4 and one end of the resistor R5, the resistor R4 and the resistor R5 are connected in parallel, the other end of the resistor R4 is connected with the output IO of the main control chip, and the other end of the resistor R5 is connected with the capacitor C1, one end of the resistor R6 and the reset pin RST of the main control chip; the other end of the capacitor C1 is connected with the other end of the resistor R6 and the anode of the diode D3 and then is grounded together, and the anode of the diode D3 is grounded;
the low-power consumption main control module comprises a resistor R7, a diode D5, a diode D6, a capacitor C2, a capacitor C3, a capacitor C4, a switch S1, a super capacitor, a power chip U2 and a main control chip U3; one end of a resistor R7 is connected with the cathode of a diode D5 and the anode of a diode D6, and the anode of the diode D5 is connected with the cathode of the super capacitor; the cathode of the diode D6 is connected with one end of the switch S1, and the other end of the switch S1 is connected with one end of the capacitor C2, one end of the capacitor C3 and the input end of the chip U2; the other end of the capacitor C2, the other end of the capacitor C3, the negative electrode of the super capacitor and the grounding end of the chip U2 are connected; the output end of the chip U2 is connected with one end of a capacitor C4 and the power end of the main control chip U3, and the other end of the capacitor C4 is connected with GND;
the driving control module comprises a resistor R8, a resistor R9, an optocoupler U4, a super capacitor and an electromagnetic relay K1; one end of the resistor R8 is connected with one end of the resistor R9 and the positive electrode of the input end of the optical coupler U4; the other end of the resistor R9 is connected with the negative electrode of the input end of the optical coupler U4 and then grounded, the positive electrode of the output end of the optical coupler U4 is connected with the positive electrode of the super capacitor, and the negative electrode of the output end of the optical coupler U4 is connected with the control coil of the electromagnetic relay K1; the output end of the battery module is connected with the positive electrode of the output end of the electromagnetic relay K1, and the negative electrode of the output end is connected with electric equipment;
the power supply method of the device comprises the following steps:
step 1: closing a hardware switch S1 to enable the super capacitor power supply to be connected into a circuit;
step 2: the external power supply is electrified to supply power to the electric equipment; at the moment, the charging module is powered, and the super capacitor is rapidly charged by the charging module;
step 3: the power supply is stabilized by a voltage stabilizing secondary conversion module and is provided for a low-power consumption main control module; meanwhile, in the process that the condition criterion module judges the voltage signal of the environment variable, when the voltage signal reaches a threshold value, the low-power-consumption main control module starts to work and counts time;
step 4: and after the time set by the main control module software is reached, the low-power-consumption main control module outputs a control signal to the drive control module, and the drive control module controls the high-power relay to output the energy storage power supply of the battery module.
2. The low-power energy-storage power supply device based on the super capacitor as claimed in claim 1, wherein the main control chip U3 adopts an MSP430 series chip.
3. The low-power-consumption energy-storage power supply device based on the super capacitor as claimed in claim 1, wherein the optocoupler U4 adopts JGW-3019D series optocouplers.
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| WO2014114069A1 (en) * | 2013-01-28 | 2014-07-31 | Luo Liwen | Capacitive storage-type rechargeable battery and charging device thereof |
| KR20180104873A (en) * | 2017-03-14 | 2018-09-27 | 주식회사 베가에너지 | Lithium battery protection system |
| JP2020004262A (en) * | 2018-06-29 | 2020-01-09 | 株式会社ジェイ・エム・エス | Power source control device and transfusion relating device |
| CN110504734A (en) * | 2019-08-21 | 2019-11-26 | 海信（山东）空调有限公司 | Electrolytic capacitor charge control method, device and the frequency converter of frequency converter |
| CN110536519A (en) * | 2019-09-23 | 2019-12-03 | 天津华来科技有限公司 | A kind of intelligent wireless switch on wall based on super capacitor and rechargeable battery |
| CN112134328A (en) * | 2020-09-22 | 2020-12-25 | 深圳市卡莱福科技有限公司 | Emergent starting drive of vehicle and vehicle |
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