CN212210581U - Small energy storage system - Google Patents
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- CN212210581U CN212210581U CN202020098468.XU CN202020098468U CN212210581U CN 212210581 U CN212210581 U CN 212210581U CN 202020098468 U CN202020098468 U CN 202020098468U CN 212210581 U CN212210581 U CN 212210581U
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Abstract
The utility model relates to a wireless technical field that charges discloses a small-size energy storage system, this small-size energy storage system includes solar panel, solar controller, the battery, wireless module and the system control ware of charging, solar panel is used for converting solar energy into the electric energy, solar controller is connected with solar panel, a distribution for controlling the electric energy, the battery all is connected with solar controller, a storage electric energy, wireless module and the battery of charging is connected, a transmission radio signal to the external load, so that the battery supplies power to the external load, the system control ware respectively with solar controller, battery and wireless module of charging are connected, a power supply to the external load is used for controlling the battery. Therefore, this small-size energy storage system passes through solar panel and converts solar energy into the electric energy to through wireless module of charging with electric energy transfer to external load, in order to realize wireless charging to external load.
Description
Technical Field
The utility model relates to a wireless charging technology field, in particular to small-size energy storage system.
Background
Small portable energy storage systems are currently widely used in various fields, such as: the method comprises the following steps of outdoor camping, outdoor aerial photography, scientific investigation and search and rescue activities, outdoor office work, outdoor photography, outdoor construction, standby power supply, emergency power supply fire rescue, emergency rescue, automobile starting, digital charging, mobile power supply and the like. Small portable energy storage systems are used to power different loads in various scenarios to charge the different loads.
And present small-size portable energy storage system adopts wired mode of charging to load, and along with the development of technique, many loads all can realize wireless charging, and present small-size portable energy storage system can't satisfy the demand to load wireless charging, influences user experience.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect of prior art, the utility model aims at providing a small-size energy storage system to can realize wireless charging function.
The utility model aims at realizing through the following technical scheme:
in order to solve the above technical problem, in a first aspect, the embodiment of the present invention provides a small energy storage system, which is characterized in that, include:
the method comprises the following steps:
the solar panel is used for converting solar energy into electric energy;
the solar controller is connected with the solar panel and is used for controlling the distribution of the electric energy;
the storage batteries are connected with the solar controller and used for storing the electric energy;
the wireless charging module is connected with the storage battery and used for transmitting a radio signal to an external load so as to enable the storage battery to supply power to the external load; and
and the system controller is respectively connected with the solar controller, the storage battery and the wireless charging module and is used for controlling the storage battery to supply power to the external load.
Optionally, the wireless charging module includes:
an LC oscillating circuit coupled with the external load for transmitting an oscillating signal;
the rectification filter circuit is connected with the LC oscillation circuit and is used for filtering oscillation signals output by the LC oscillation circuit to obtain communication electric signals; and
and the signal conversion circuit is respectively connected with the LC oscillating circuit, the rectifying and filtering circuit, the storage battery and the system controller and is used for converting an output signal of the rectifying and filtering circuit and a control signal of the system controller so that the control signal controls the storage battery to wirelessly charge the external load.
Optionally, the signal conversion circuit includes a first signal conversion circuit, and the first signal conversion circuit is respectively connected to the rectification filter circuit and the system controller.
Optionally, the signal conversion circuit includes a second signal conversion circuit, and the second signal conversion circuit is respectively connected to the battery and the system controller.
Optionally, the signal conversion circuit includes a third signal conversion circuit, the third signal conversion circuit includes a first input terminal, a second input terminal and an output terminal, the first input terminal is connected to the system controller, the second input terminal is connected to the battery, and the output terminal is connected to the LC oscillating circuit.
Optionally, the small energy storage system further includes a sampling circuit, and the sampling circuit is connected to the second signal conversion circuit and the system controller, respectively, and is configured to sample the output signal of the storage battery.
Optionally, the first signal conversion circuit includes a voltage follower and a first comparator, the voltage follower is connected to the rectifying and filtering circuit and the first comparator respectively, and the first comparator is connected to the voltage follower and the system controller respectively.
Optionally, the second signal conversion circuit includes an amplifier and a second comparator, the amplifier is connected to the battery and the second comparator, and the second comparator is connected to the amplifier and the system controller.
Optionally, the rectification filter circuit includes a diode, a resistor, a second capacitor and a third capacitor, an anode of the diode is connected to the LC oscillating circuit, a cathode of the diode is connected to one end of the resistor, the other end of the resistor is connected to one end of the second capacitor and one end of the third capacitor, respectively, the other end of the second capacitor is grounded, and the other end of the third capacitor is connected to the signal conversion circuit.
Optionally, the third signal conversion circuit further includes a first MOS switch tube, a second MOS switch tube, a third MOS switch tube and a fourth MOS switch tube, the control ends of the first MOS switch tube, the second MOS switch tube, the third MOS switch tube and the fourth MOS switch tube all connect with the system controller, the first MOS switch tube and the source electrode of the second MOS switch tube connect jointly in the battery, the first MOS switch tube and the drain electrode of the second MOS switch tube connect jointly in the third MOS switch tube and the source electrode of the fourth MOS switch tube, the first MOS switch tube and the drain electrode of the second MOS switch tube connect still the LC oscillation circuit, the third MOS switch tube and the drain electrode of the fourth MOS switch tube connect to the ground jointly.
Compared with the prior art, the beneficial effects of the utility model are that: be different from prior art's condition, the embodiment of the utility model provides a small-size energy storage system, this small-size energy storage system includes solar panel, solar controller, the battery, wireless module and the system control ware of charging, solar panel is used for converting solar energy into the electric energy, solar controller is connected with solar panel, a distribution for the control electric energy, the battery all is connected with solar controller, a storage electric energy, wireless module and the battery of charging is connected, a radio signal is transmitted to the external load, so that the battery supplies power to the external load, the system control ware respectively with solar controller, battery and wireless module of charging are connected, a power supply to the external load is used for controlling the battery. Therefore, this small-size energy storage system passes through solar panel and converts solar energy into the electric energy to through wireless module of charging with electric energy transfer to external load, in order to realize wireless charging to external load.
Drawings
One or more embodiments are illustrated by the accompanying figures in the drawings that correspond thereto and are not to be construed as limiting the embodiments, wherein elements/modules and steps having the same reference numerals are represented by like elements/modules and steps, unless otherwise specified, and the drawings are not to scale.
Fig. 1 is a schematic structural diagram of a small energy storage system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a small energy storage system according to another embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a small energy storage system according to yet another embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a first signal conversion circuit according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a second signal conversion circuit according to an embodiment of the present invention;
fig. 6 is a schematic circuit structure diagram of a third signal conversion circuit according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Please refer to fig. 1, fig. 1 is a schematic structural diagram of a small energy storage system, the small energy storage system 100 includes a solar panel 10, a solar controller 20, a storage battery 30, a wireless charging module 40 and a system controller 50, the solar panel 10 is used to convert solar energy into electric energy, the solar controller 20 is connected to the solar panel 10 for controlling power distribution of the electric energy, the storage battery 30 is connected to the solar controller 20 for storing the electric energy, the wireless charging module 40 is connected to the storage battery 30 for transmitting a radio signal to an external load 200, so that the storage battery 30 supplies power to the external load 200, the system controller 50 is connected to the solar controller 20, the storage battery 30 and the wireless charging module 40 respectively for controlling the storage battery 30 to supply power to the external load 200.
A solar cell is also called a "solar chip" or a "photovoltaic cell", and is a photoelectric semiconductor sheet that directly generates electricity by using sunlight. The single solar cell cannot be directly used as a power supply. As a power supply, a plurality of single solar cells must be connected in series, in parallel and tightly packaged into an assembly.
The solar panel 10 (also called a solar cell module) is an assembly of a plurality of solar cells, and is a core part of a solar power generation system and is also the most important part of the solar power generation system.
The solar panel 10, the solar controller 20 and the storage battery 30 together form a photovoltaic power generation system, and the photovoltaic power generation system is characterized by high reliability, long service life, no environmental pollution, independent power generation and grid-connected operation. The storage battery 30 stores electric energy generated when the solar cell matrix is illuminated and supplies power to the external load 200 at any time, and the solar controller 20 is a device for controlling charging and discharging of the storage battery 30.
The system controller 50 may communicate with the solar controller 20, and may receive the power generation parameters of the solar panel 10 sent by the solar controller 20, and send control commands and the like to the solar controller 20 according to the power generation parameters and the power of the battery 30.
Therefore, the small energy storage system 100 converts solar energy into electric energy through the solar panels 10, and transmits the electric energy to the external load 200 through the wireless charging module 40, so as to wirelessly charge the external load.
In some embodiments, the small energy storage system 100 further includes an inverter connected to the battery 30 and the external load 200, respectively, and converting the electric energy of the battery 30 into an ac signal to allow the battery 30 to ac charge the external load 200.
In some embodiments, the compact energy storage system 100 further comprises USB modules that are connected to the battery 30 and the external load 200, respectively. Therefore, the small energy storage system 100 can also charge the external load 200 through the USB module.
Please refer to fig. 2, fig. 2 is a schematic structural diagram of a small energy storage system according to another embodiment of the present invention, wherein a wireless charging module 40 in the small energy storage system includes an LC oscillating circuit 41, a rectifying and filtering circuit 42 and a signal converting circuit 43, wherein the LC oscillating circuit 41 is coupled with an external load 200 for transmitting an oscillating signal, the rectifying and filtering circuit 42 is connected with the LC oscillating circuit 41 for filtering the oscillating signal output by the LC oscillating circuit 41 to obtain a communication electric signal, the signal converting circuit 43 is respectively connected with the LC oscillating circuit 41, the rectifying and filtering circuit 42, the storage battery 30 and the system controller 50 for converting an output signal of the rectifying and filtering circuit 42 and a control signal of the system controller 50, so that the control signal controls the storage battery 30 to wirelessly charge the external load 200.
In some embodiments, the signal conversion circuit 43 includes a first signal conversion circuit 431 and a second signal conversion circuit 432, and a third signal conversion circuit 433, and the first signal conversion circuit 431 is respectively connected to the rectification filter circuit 42 and the system controller 50. The second signal conversion circuit 43 is connected to the battery 30 and the system controller 50, respectively, and the third signal conversion circuit 433 includes a first input terminal, a second input terminal, and an output terminal, wherein the first input terminal is connected to the system controller 50, the second input terminal is connected to the battery 30, and the output terminal is connected to the LC oscillating circuit 41.
When the external load 200 needs to be wirelessly charged, firstly, energy coupling is performed between the external load 200 and the LC oscillating circuit 41 through a coil to realize energy transfer, the external load 200 transmits electrical signals such as required charging voltage or charging current to the LC oscillating circuit 41 in the form of magnetic flux, the LC oscillating circuit 41 generates an alternating voltage signal, the rectifying and filtering circuit 42 filters the LC oscillating signal in the voltage signal to obtain a modulation waveform in the voltage signal, meanwhile, the first signal conversion circuit 431 performs corresponding conversion on the modulation waveform to convert the analog modulation waveform into a digital signal, and transmits the digital signal to the system controller 50, and the system controller 50 receives and analyzes the digital signal to obtain the charging voltage or charging current required by the external load 200.
Then, the system controller 50 generates a control signal according to the charging voltage or charging current required for charging the external load 200, so as to control the storage battery 30 to output a corresponding charging signal, the charging signal is processed and converted by the second signal conversion circuit 432, the analog charging signal is converted into a digital charging signal, the digital charging signal is transmitted to the system controller 50, meanwhile, the charging signal output by the storage battery 30 is transmitted to the third signal conversion circuit 433 through the second input terminal, the system controller 50 controls the working state of the third signal conversion circuit 433, so that the charging signal is transmitted to the LC oscillating circuit 41 in the form of a modulated waveform, and the LC oscillating circuit 41 generates a corresponding alternating voltage to correspondingly charge the external load 200.
Therefore, the small-sized energy storage system can obtain a charging electric signal required by the external load 200 through the LC oscillating circuit 41 and the signal conversion circuit 43, control the storage battery 30 to output corresponding electric energy according to the charging electric signal, and transmit the electric energy to the external load 200 through the LC oscillating circuit 41 and the signal conversion circuit 43, so as to realize a wireless charging function for the external load 200.
In some embodiments, with continued reference to fig. 2, the small energy storage system further includes a sampling circuit 60, and the sampling circuit 60 is respectively connected to the second signal conversion circuit 432 and the system controller 50 for sampling the output signal of the battery 30. The sampling circuit samples the output current of the battery 30 and transmits the sampled signal to the system controller 50, which is received and analyzed by the system controller 50. Therefore, the system controller 50 can further obtain the specific output current value of the battery 30, and can compare the sampling signal with the digital signal transmitted by the second signal conversion circuit 432, so as to prevent the obtained output current value of the battery 30 from being inaccurate or excessively deviated due to interference.
Referring to fig. 3, fig. 3 is a schematic diagram of a circuit structure of a small energy storage system according to yet another embodiment of the present invention, in which the solar panel 10 and the solar controller 20 are not shown, the signal conversion circuit 43 is an integrated circuit U1, which includes a plurality of pins, and each pin of the system controller 50 is shown as U2 in fig. 3.
The battery BAT is connected to pin 1 of the signal conversion circuit U1, and a power signal is transmitted through this pin. In some embodiments, the output signal of the battery BAT is filtered by a filter circuit before being transmitted to the signal conversion circuit U1.
The LC oscillating circuit 41 includes an inductor L1 and a first capacitor C1, one end of the first capacitor C1 is connected to the 12 th pin of the signal conversion circuit U1, the other end of the first capacitor C1 and one end of the inductor L1 are connected to the rectifying and filtering circuit 42, and the other end of the inductor L1 is connected to the 11 th pin of the signal conversion circuit U1. The LC oscillating circuit 41 is coupled to an external load via an inductor L1.
The rectifying and filtering circuit 42 comprises a diode D1, a first resistor R1, a second capacitor C2 and a third capacitor C3, wherein the anode of the diode D1 is connected to the common connection point of the first capacitor C1 and the inductor L1, the cathode of the diode D1 is connected to one end of the first resistor R1, the other end of the first resistor R1 is connected to one end of the second capacitor C2 and one end of the third capacitor C3, the other end of the second capacitor C2 is grounded, and the other end of the third capacitor C3 is connected to the 14 pin of the signal conversion circuit U1.
The sampling circuit 60 comprises a second resistor R2 and a fourth capacitor C4, one end of the second resistor R2 is connected to the 4 pin of the signal conversion circuit U1, the other end of the second resistor R2 is connected to the 19 pin of the system controller U2 and one end of the fourth capacitor C4, and the other end of the fourth capacitor C4 is grounded. The electric energy signal of the storage battery BAT is transmitted to the signal conversion circuit U1 through the 1 pin, is output through the 4 pins of the signal conversion circuit U1 after internal conversion of the signal conversion circuit U1, is transmitted to the 19 pins of the system controller U2 through the sampling circuit 60 on one hand, and is transmitted to the 5 pins of the signal conversion circuit U1 again after being filtered through the filter circuit on the other hand, and is transmitted to the 16 pins of the system controller U2 through the 7 pins after internal processing of the signal conversion circuit U1.
In some embodiments, please refer to fig. 4, fig. 4 is a circuit schematic diagram of a first signal conversion circuit according to an embodiment of the present invention, as shown in fig. 4, the first signal conversion circuit 431 is respectively connected to one end of a third capacitor C3 and a pin 17 of a system controller U2, specifically, the first signal conversion circuit 431 includes a voltage follower U3 and a first comparator U4, a non-inverting input terminal of the voltage follower U3 is connected to one end of the third capacitor C3, an inverting input terminal of the voltage follower U3 is connected to a non-inverting input terminal of the first comparator U4, an inverting input terminal of the first comparator U4 is grounded via a fifth capacitor C5, and an output terminal of the first comparator U4 is connected to the pin 17 of the system controller U2.
In some embodiments, referring to fig. 4, the first signal conversion circuit 431 further includes a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, and an eighth resistor R8. The third resistor R3 and the fourth resistor R4 are connected in series, the common connection point of the third resistor R3 and the fourth resistor R4 is connected to the non-inverting input end of the voltage follower U3, one end of the third resistor R3 is further connected with a +5V power supply, and one end of the fourth resistor R4 is further connected with the ground. The fifth resistor R5 is connected between the inverting input terminal and the output terminal of the voltage follower U3. One end of a sixth resistor R6 is connected to one end of the seventh resistor R7 and the output end of the voltage follower U3, the other end of the sixth resistor R6 is connected to one end of the fifth capacitor C5 and the inverting input end of the first comparator U4, and the other end of the seventh resistor R7 is connected to the non-inverting input end of the first comparator U4. The eighth resistor R8 is connected between the non-inverting input terminal and the output terminal of the first comparator U4. Under the action of the first comparator U4, the analog electrical signal required for charging transmitted by the external load 200 is converted into a digital signal and transmitted to the 17 pin of the system controller U2 through the output terminal of the first comparator U4.
In some embodiments, please refer to fig. 5, fig. 5 is a schematic circuit diagram of a second signal conversion circuit according to an embodiment of the present invention, as shown in fig. 5, the second signal conversion circuit 432 receives an electric energy signal output by the battery BAT, and transmits the electric energy signal to 16 pins and 19 pins of the system controller U2 after being converted and processed, specifically, the second signal conversion circuit 432 includes an amplifier U5 and a second comparator U6, a non-inverting input terminal of the amplifier U5 receives an electric energy signal CSN output by the battery BAT, an inverting input terminal of the amplifier U5 receives an electric energy signal CSP output by the battery BAT, an output terminal of the amplifier U5 is connected to a non-inverting input terminal of the second comparator U6 through a sixth capacitor C6, an inverting input terminal of the second comparator U6 is grounded through a seventh capacitor C7, and an inverting input terminal of the second comparator U6 is further connected to a non-inverting input terminal of the second comparator U6, the non-inverting input terminal of the second comparator U6 is also grounded via an eighth capacitor C8, and the output terminal of the second comparator U6 is connected to the 16 pins of the system controller U2.
In some embodiments, referring to fig. 5, the second signal conversion circuit 432 further includes a ninth resistor R9, a tenth resistor R10 and an eleventh resistor R11, the ninth resistor R9 is connected between the inverting input terminal and the output terminal of the amplifier U5, the tenth resistor R10 is connected between the sixth capacitor C6 and the non-inverting input terminal of the second comparator U6, and the eleventh resistor R11 is connected between the sixth capacitor C6 and the inverting input terminal of the second comparator U6.
Therefore, after the power signal output by the battery BAT is amplified by the amplifier U5, the analog power signal is converted into a digital signal by the second comparator U6 and transmitted to the 16 pins of the system controller U2, and is transmitted to the 19 pins of the system controller U2 by the sampling resistor R2 in the sampling circuit 60.
Please refer to fig. 6, fig. 6 is a schematic structural diagram of a third signal conversion circuit according to an embodiment of the present invention, as shown in fig. 6, the third signal conversion circuit 433 includes four MOS switch transistors, a first MOS switch transistor Q1, a second MOS switch transistor Q2, a third MOS switch transistor Q3, and a control terminal of a fourth MOS switch transistor Q4, that is, a first input terminal of the third signal conversion circuit is connected to a system controller U2, and a PWM modulation signal sent by the system controller U2 controls on/off of the four MOS switch transistors. The sources of the first MOS switch Q1 and the second MOS switch Q2 are commonly connected to the output signal PVIN of the battery BAT, that is, the sources of the first MOS switch Q1 and the second MOS switch Q2 are the second input end of the third signal conversion circuit 433, the drains of the first MOS switch Q1 and the second MOS switch Q2 are commonly connected to the sources of the third MOS switch Q3 and the fourth MOS switch Q4, the drain of the first MOS switch Q1 is further connected to one end of the inductor L1, the drain of the second MOS switch Q2 is further connected to one end of the first capacitor C1, that is, the drain of the first MOS switch Q1 and the drain of the second MOS switch Q2 are the output end of the third signal conversion circuit 433, and the drains of the third MOS switch Q3 and the fourth MOS switch Q4 are commonly connected to ground.
Therefore, the system controller U2 controls the on/off of each MOS switch, so that the power signal output by the battery BAT is transmitted to the LC oscillating circuit 41 through each MOS switch, so that the LC oscillating circuit 41 generates a corresponding oscillating signal, and the wireless charging of the external load 200 is completed.
To sum up, the small energy storage system can convert the required charging voltage or charging current transmitted by the external load into a digital signal through the first signal conversion circuit, and transmit the digital signal to the system controller, and the system controller controls the storage battery to output a corresponding electric energy signal according to the required charging digital signal, wherein the electric energy signal is transmitted to the system controller through the second signal conversion circuit and the sampling circuit on one hand, and is transmitted to the LC oscillating circuit through the MOS switch tube in the third signal conversion circuit on the other hand, and is transmitted to the external load through the LC oscillating circuit, so as to realize wireless charging of the external load.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also combinations between technical features in the above embodiments or in different embodiments are possible, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or technical features in areas thereof may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its various embodiments.
Claims (10)
1. A compact energy storage system, comprising:
the solar panel is used for converting solar energy into electric energy;
the solar controller is connected with the solar panel and is used for controlling the distribution of the electric energy;
the storage batteries are connected with the solar controller and used for storing the electric energy;
the wireless charging module is connected with the storage battery and used for transmitting a radio signal to an external load so as to enable the storage battery to supply power to the external load; and
and the system controller is respectively connected with the solar controller, the storage battery and the wireless charging module and is used for controlling the storage battery to supply power to the external load.
2. The compact energy storage system of claim 1, wherein the wireless charging module comprises:
an LC oscillating circuit coupled with the external load for transmitting an oscillating signal;
the rectification filter circuit is connected with the LC oscillation circuit and is used for filtering oscillation signals output by the LC oscillation circuit to obtain communication electric signals; and
and the signal conversion circuit is respectively connected with the LC oscillating circuit, the rectifying and filtering circuit, the storage battery and the system controller and is used for converting an output signal of the rectifying and filtering circuit and a control signal of the system controller so that the control signal controls the storage battery to wirelessly charge the external load.
3. The miniature energy storage system of claim 2, wherein said signal conversion circuit comprises a first signal conversion circuit, said first signal conversion circuit being connected to said rectifying and filtering circuit and said system controller, respectively.
4. The miniature energy storage system of claim 3, wherein said signal conversion circuitry comprises second signal conversion circuitry, said second signal conversion circuitry being connected to said battery and said system controller, respectively.
5. The miniature energy storage system of claim 4, wherein said signal conversion circuit comprises a third signal conversion circuit, said third signal conversion circuit comprising a first input terminal, a second input terminal, and an output terminal, said first input terminal being connected to said system controller, said second input terminal being connected to said battery, and said output terminal being connected to said LC tank circuit.
6. The small energy storage system according to claim 5, further comprising a sampling circuit connected to the second signal conversion circuit and the system controller, respectively, for sampling an output signal of the battery.
7. The miniature energy storage system of claim 6, wherein said first signal conversion circuit comprises a voltage follower and a first comparator, said voltage follower is connected to said rectifying-filtering circuit and said first comparator, respectively, and said first comparator is connected to said voltage follower and said system controller, respectively.
8. The miniature energy storage system of claim 7, wherein said second signal conversion circuit comprises an amplifier and a second comparator, said amplifier being connected to said battery and said second comparator, respectively, and said second comparator being connected to said amplifier and said system controller, respectively.
9. The small energy storage system according to claim 8, wherein the rectifying and filtering circuit comprises a diode, a resistor, a second capacitor and a third capacitor, an anode of the diode is connected to the LC oscillating circuit, a cathode of the diode is connected to one end of the resistor, the other end of the resistor is connected to one end of the second capacitor and one end of the third capacitor, respectively, the other end of the second capacitor is grounded, and the other end of the third capacitor is connected to the signal conversion circuit.
10. The small energy storage system according to claim 9, wherein the third signal conversion circuit further comprises a first MOS switch tube, a second MOS switch tube, a third MOS switch tube and a fourth MOS switch tube, control terminals of the first MOS switch tube, the second MOS switch tube, the third MOS switch tube and the fourth MOS switch tube are all connected to the system controller, sources of the first MOS switch tube and the second MOS switch tube are connected to the battery together, drains of the first MOS switch tube and the second MOS switch tube are connected to sources of the third MOS switch tube and the fourth MOS switch tube together, drains of the first MOS switch tube and the second MOS switch tube are further connected to the LC oscillation circuit, and drains of the third MOS switch tube and the fourth MOS switch tube are connected to the ground together.
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| CN202020098468.XU CN212210581U (en) | 2020-01-16 | 2020-01-16 | Small energy storage system |
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| CN202020098468.XU CN212210581U (en) | 2020-01-16 | 2020-01-16 | Small energy storage system |
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Address after: 518000 19th floor, building 1, kaidar group center building, No. 168, Tongsha Road, Xinwei community, Xili street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Delian Minghai New Energy Co.,Ltd. Address before: 701-3, building 2, kaidar group center building, 168 Tongsha Road, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Poweroak Newener Co.,Ltd. |
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