CN217813803U - Energy storage power generation device and energy storage power generation circuit - Google Patents
Energy storage power generation device and energy storage power generation circuit Download PDFInfo
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- CN217813803U CN217813803U CN202222156422.0U CN202222156422U CN217813803U CN 217813803 U CN217813803 U CN 217813803U CN 202222156422 U CN202222156422 U CN 202222156422U CN 217813803 U CN217813803 U CN 217813803U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The utility model provides an energy storage power generation facility and energy storage power generation circuit, this energy storage power generation facility includes: the motor is used for being connected with a power grid; the rotating shaft of the first gas compressor is connected with one end of the rotating shaft of the motor; the rotating shaft of the gas expander is connected with the other end of the rotating shaft of the motor; under the condition that the device needs to store energy, the rotating shaft of the motor drives the rotating shaft of the first gas compressor to rotate, and the rotating shaft of the first gas compressor rotates to compress gas; under the condition that the device is required to generate electricity, the gas expander releases gas to drive the rotating shaft of the gas expander to rotate, the rotating shaft of the gas expander rotates to drive the rotating shaft of the motor to rotate, and the rotating shaft of the motor rotates to generate electricity. The embodiment realizes power generation or energy storage through the motor, improves the equipment utilization rate and reduces the investment cost.
Description
Technical Field
The utility model relates to an energy storage power generation technical field, concretely relates to energy storage power generation facility and energy storage power generation circuit.
Background
The energy storage and power generation by compressing air is an energy storage and power generation mode with low cost and high efficiency. In the related art, a set of motors is usually used for storing energy by compressing air, and a set of generators is used for generating electricity to realize energy storage and electricity generation. The generator is in a standby state in the energy storage process, the motor is in a standby state in the power generation process, and equipment resources are idle, so that the utilization rate of the equipment resources is low; in addition, the related art adopts a large-capacity motor and related power supply equipment, and the cost is high.
Therefore, the problems of low equipment resource utilization rate and high cost exist in the related technology.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an energy storage power generation facility and energy storage power generation circuit to there is the lower, the higher problem of cost of equipment resource utilization rate in solving the correlation technique.
In order to achieve the above object, an embodiment of the present invention provides an energy storage power generation device, including:
the motor is used for being connected with a power grid;
the rotating shaft of the first gas compressor is connected with the rotating shaft at one end of the motor;
a rotating shaft of the gas expander is connected with a rotating shaft at the other end of the motor;
under the condition that the device needs to store energy, a rotating shaft at one end of the motor drives a rotating shaft of the first gas compressor to rotate, and the rotating shaft of the first gas compressor rotates to compress gas;
under the condition that the device is required to generate electricity, the gas expander releases gas to drive the rotating shaft of the gas expander to rotate, the rotating shaft of the gas expander rotates to drive the rotating shaft at the other end of the motor to rotate, and the rotating shaft of the motor rotates to generate electricity.
As an optional implementation manner, a first clutch and a second clutch are respectively arranged at two ends of a rotating shaft of the motor, one end of the first clutch, which is far away from the motor, is connected with the rotating shaft of the first gas compressor, and one end of the second clutch, which is far away from the motor, is connected with the rotating shaft of the gas expander;
under the condition that energy storage is required to be carried out on the device, the first clutch is closed, and the second clutch is separated;
in the case where the device is required to generate electricity, the first clutch is disengaged and the second clutch is closed.
In an alternative embodiment, the energy storage and power generation device further comprises a plurality of second gas compression devices and a transmission, wherein,
the transmission is provided with a transmission input shaft and a plurality of transmission output shafts;
the rotating shaft of the first gas compressor is connected with one of the transmission output shafts, the rotating shaft of each of the second gas compressors is connected with one of the transmission output shafts, and the transmission input shaft of the transmission is connected with one end, far away from the motor, of the first clutch.
As an alternative embodiment, the first gas compressor and the gas expander are provided in the same enclosed space.
The embodiment of the utility model provides a still provide an energy storage power generation circuit, include: distribution device, energy storage power generation facility and station service equipment, wherein, energy storage power generation facility includes:
the electrical port of the motor is connected with the first port of the power distribution device, the electrical port of the motor is also connected with the port of the auxiliary equipment, and the power distribution device is used for being connected with a power grid;
the rotating shaft of the first gas compressor is connected with the rotating shaft at one end of the motor;
a rotating shaft of the gas expander is connected with a rotating shaft at the other end of the motor;
under the condition that the energy storage power generation device stores energy, the power distribution device supplies power to the motor, a rotating shaft of the motor drives a rotating shaft of the first gas compressor to rotate, and the rotating shaft of the first gas compressor rotates to compress gas;
under the condition that the energy storage power generation device generates power, the gas expander releases gas to drive a rotating shaft of the gas expander to rotate, the rotating shaft of the gas expander rotates to drive a rotating shaft of the motor to rotate, and the rotating shaft of the motor rotates to generate power; the motor supplies power to the power distribution device, and the motor also supplies power to the auxiliary equipment.
As an optional embodiment, a first transformer and a second transformer are further included, wherein,
a first port of the power distribution device is connected with one end of the first transformer through a first circuit breaker, and the other end of the first transformer is connected with a port of the motor through a second circuit breaker;
the electric port of the motor is connected with one end of the second transformer through the second circuit breaker, and the other end of the second transformer is connected with the port of the auxiliary power equipment through the third circuit breaker and the fourth circuit breaker in sequence.
As an optional implementation manner, the power distribution device further comprises a third transformer, the second port of the power distribution device is connected with one end of the third transformer through a fifth circuit breaker, and the other end of the third transformer is connected with the port of the auxiliary equipment through a sixth circuit breaker and a fourth circuit breaker in sequence.
As an optional embodiment, the energy storage and power generation device is any one of the energy storage and power generation devices described above.
One of the above technical solutions has the following advantages or beneficial effects:
in the embodiment, energy storage is realized through the motor and the first gas compressor, power generation is realized through the motor and the gas expander, the motor is in a use state in the energy storage and power generation processes, and the vacant position of the motor is reduced, so that the utilization rate of equipment is improved; meanwhile, a large-capacity motor and related power supply equipment are eliminated, so that the investment cost is reduced, and the occupied area is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an energy storage power generation apparatus provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of an energy storage power generation circuit according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a storage power generation circuit in the related art.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an energy storage power generation apparatus according to an embodiment of the present invention, and as shown in fig. 1, the energy storage power generation apparatus includes:
the motor 10, the motor 10 is used for connecting with the power grid;
a rotating shaft of the first gas compressor 20 is connected with a rotating shaft at one end of the motor 10;
a rotating shaft of the gas expander 30 is connected with a rotating shaft at the other end of the motor 10;
under the condition that the device needs to store energy, a rotating shaft at one end of the motor 10 drives a rotating shaft of the first gas compressor 20 to rotate, and the rotating shaft of the first gas compressor 20 rotates to compress gas;
in the case of requiring the device to generate power, the gas expander 30 releases gas to drive the rotating shaft of the gas expander 30 to rotate, the rotating shaft of the gas expander 30 rotates to drive the rotating shaft at the other end of the motor 10 to rotate, and the rotating shaft of the motor 10 rotates to generate power.
As can be appreciated, the motor 10 integrates a motor function and a generator function, and during the energy storage process of the device, the motor 10 functions as a motor, receives electric energy from the power grid, and drives the first gas compressor 20 to work; in the process of generating power, the motor 10 functions as a generator, and the gas expander 30 drives the motor 10 to rotate to generate power, so as to transmit the power to the power grid.
In which the gas expander 30 and the first gas compressor 20 cannot be operated at the same time, that is, when either one of the two devices is operated, the other device is in a standby state.
In this embodiment, energy storage is realized by the motor 10 and the first gas compressor 20, power generation is realized by the motor 10 and the gas expander 30, the motor 10 is in a use state in the energy storage and power generation processes, and the vacancy of the motor 10 is reduced, so that the utilization rate of equipment is improved.
As an alternative embodiment, a first clutch 40 and a second clutch 41 are respectively disposed at two ends of a rotating shaft of the motor 10, one end of the first clutch 40 away from the motor 10 is connected to the rotating shaft of the first gas compressor 20, and one end of the second clutch 41 away from the motor 10 is connected to the rotating shaft of the gas expander 30;
in the case of a device requiring energy storage, the first clutch 40 is closed and the second clutch 41 is disengaged;
when the device is required to generate power, the first clutch 40 is disengaged and the second clutch 41 is engaged.
It will be appreciated that the operation of the rotating shaft of the first gas compressor 20 and the rotating shaft of the gas expander 30 differ under different operating conditions of the motor 10. In this embodiment, a first clutch 40 and a second clutch 41 are disposed at two ends of a rotating shaft of the motor 10, and the motor 10 controls the first gas compressor 20 or the gas expander 30 under different working conditions by opening or closing the first clutch 40 and opening or closing the second clutch 41.
Specifically, under the condition that energy storage is required to be performed by the device, the motor 10 operates as a motor, the first gas compressor 20 operates, the gas expander 30 is in standby, at this time, the first clutch 40 is closed, and the rotation of the rotating shaft of the motor 10 controls the rotation of the rotating shaft of the first gas compressor 20; the second clutch 41 is disengaged, the rotation of the rotation shaft of the motor 10 does not drive the rotation shaft of the gas expander 30 to rotate, and the gas expander 30 is normally in standby.
In addition, under the condition that the device is required to generate power, the motor 10 works as a generator, the gas expander 30 works and the first gas compressor 20 is in standby, at the moment, the second clutch 41 is closed, and the rotating shaft of the gas expander 30 rotates to drive the rotating shaft of the motor 10 to rotate to generate power; the first clutch 40 is disengaged, the rotation of the rotating shaft of the motor 10 does not drive the rotation of the rotating shaft of the first gas compressor 20, and the first gas compressor 20 is in a normal standby state.
As an alternative embodiment, the energy storage and power generation apparatus further comprises a plurality of second gas compression devices and a transmission 50, wherein,
the transmission 50 is provided with a transmission input shaft and a plurality of transmission output shafts;
the rotating shaft of the first gas compressor 20 is connected to one of the plurality of transmission output shafts, the rotating shaft of each of the plurality of second gas compressors 21 is connected to one of the plurality of transmission output shafts, and the transmission input shaft of the transmission 50 is connected to one end of the first clutch 40 far away from the motor 10.
It is understood that the shaft of the gas expander 30 rotates the shaft of the motor 10 to generate power, and the generated power can be directly adjusted by controlling the gas expander 30 or the motor 10. Whereas for the first gas compressor 20 the power of operation is set to be constant, the power requirement for energy storage is different in different situations, and a single first gas compressor 20 cannot meet the requirement. In the embodiment, a second gas compressor 21 is added in the device, and the power of the second gas compressor 21 is different from that of the first gas compressor 20, so that the energy storage effect with large capacity is realized.
It can be understood that more gas compressors may be disposed in the device to achieve the energy storage effect with larger capacity, and the embodiment is not described herein again.
In addition, in order to complete the compression and storage of gas and realize high-capacity energy storage, a plurality of gas compressors with different rotating speeds are needed, so that one transmission 50 needs to be additionally arranged, and the control of the plurality of gas compressors with different rotating speeds is realized through the transmission 50. For example, when the transmission input shaft of the transmission 50 is connected to the transmission output shaft of the first gas compressor 20, the rotation of the transmission input shaft may drive the rotation shaft of the first gas compressor 20 to rotate, so as to achieve gas compression. For example, when the transmission input shaft of the transmission 50 is connected to the transmission output shaft of the first gas compressor 20 and the transmission output shaft of the second gas compressor 21, respectively, the rotation of the transmission input shaft can drive the rotating shaft of the first gas compressor 20 and the rotating shaft of the second gas compressor 21 to rotate at different speeds, so as to realize large-capacity gas compression.
In order to save cost, reduce the use of parts and increase the safety of the device, the first clutch 40 is arranged between the transmission input shaft of the transmission 50 and the rotating shaft at one end of the motor 10, and the motor 10 is controlled to drive the transmission input shaft to rotate through the first clutch 40.
As an alternative embodiment, the first gas compressor 20 and the gas expander 30 are provided in the same enclosed space.
It will be appreciated that the operation of the first gas compressor 20 compresses the gas to store energy and the operation of the gas expander 30 releases the compressed gas to generate electricity, both of which are reversible processes. In this embodiment, the first gas compressor 20 and the gas expander 30 are disposed in the same sealed space, so that the energy storage and power generation of the device are not affected, the space is saved, and the production cost and the maintenance cost of the device are reduced.
Referring to fig. 2, fig. 2 is a schematic diagram of an energy storage power generation circuit according to an embodiment of the present invention, as shown in fig. 2, the energy storage power generation circuit includes: distribution device 60, energy storage power generation facility and station service equipment 70, wherein, energy storage power generation facility includes:
the motor 10, an electrical port of the motor 10 is connected with a first port of the power distribution device 60, an electrical port of the motor 10 is also connected with a port of the service equipment 70, and the power distribution device 60 is used for being connected with a power grid;
a rotating shaft of the first gas compressor 20 is connected with a rotating shaft at one end of the motor 10;
a rotating shaft of the gas expander 30 is connected with a rotating shaft at the other end of the motor 10;
under the condition that the energy storage power generation device stores energy, the power distribution device 60 supplies power to the motor 10, a rotating shaft of the motor 10 drives a rotating shaft of the first gas compressor 20 to rotate, and the rotating shaft of the first gas compressor 20 rotates to compress gas;
under the condition of generating power by the energy storage power generation device, the gas expander 30 releases gas to drive the rotating shaft of the gas expander 30 to rotate, the rotating shaft of the gas expander 30 rotates to drive the rotating shaft of the motor 10 to rotate, and the rotating shaft of the motor 10 rotates to generate power; the motor 10 supplies power to the power distribution device 60, and the motor 10 also supplies power to the service equipment 70.
The power distribution device 60 is connected to a high-voltage power grid, and is typically a high-voltage power distribution device. The service equipment can be power plant internal equipment or external equipment.
In the embodiment, the motor 10 in the energy storage power generation device integrates a generator function and a motor function, and energy storage or power generation of the device can be realized. The energy storage is realized through the motor 10 and the first gas compressor 20, the power generation is realized through the motor 10 and the gas expander 30, the motor 10 is in a use state in the energy storage and power generation processes, the vacancy of the motor 10 is reduced, and therefore the utilization rate of equipment is improved. Meanwhile, the motor and the related power supply equipment are reduced, and the cost is reduced.
As an alternative embodiment, a first transformer 80 and a second transformer 81 are further included, wherein,
a first port of the power distribution device 60 is connected to one end of a first transformer 80 through a first breaker S1, and the other end of the first transformer 80 is connected to an electrical port of the motor 10 through a second breaker S2;
an electrical port of the motor 10 is connected to one end of a second transformer 81 through a second breaker S2, and the other end of the second transformer 81 is connected to a port of the service electric device 70 through a third breaker S3 and a fourth breaker S4 in sequence.
In this embodiment, the voltage provided by the power distribution device 60 is a high voltage, and the voltage provided by the energy storage and power generation device is also a high voltage. In the process that the power distribution device 60 supplies power to the motor 10, the high-voltage of the power grid needs to be converted into the working voltage suitable for the operation of the motor 10 through the first transformer 80; similarly, when the motor 10 supplies power to the auxiliary equipment 70, the high voltage needs to be converted into a working voltage suitable for the operation of the auxiliary equipment 70 through the second transformer 81, so as to improve safety.
Specifically, under the condition that the energy storage power generation device needs to store energy, the first breaker S1 and the second breaker S2 are closed, the third breaker S3 is opened, and the power distribution device 60 supplies power to the motor 10 through the first transformer 80; under the condition that the energy storage and power generation device needs to generate power, the first breaker S1 is opened, the second breaker S2 and the third breaker S3 are closed, and the energy storage and power generation device supplies power to the plant service equipment 70 through the second transformer 81.
And for the third circuit breaker S3, parameters such as the short-circuit capacity of the auxiliary electrical equipment are calculated, and the third circuit breaker can not be disconnected under the condition of meeting the requirements.
In addition, when an abnormality occurs in the first transformer 80 or the second transformer 81, the circuit may be protected by controlling the breaker. For example, in the case where the first transformer 80 is abnormal, the first breaker S1 and the second breaker S2 are opened, so that a serviceman can perform maintenance on the first transformer 80. For example, when the second transformer 81 is abnormal, the first breaker S1, the second breaker S2, and the third breaker S3 are opened, so that the maintenance worker can perform maintenance on the second transformer 81.
As an optional implementation, the power distribution device further includes a third transformer 82, the second port of the power distribution device 60 is connected to one end of the third transformer 82 through a fifth breaker S5, and the other end of the third transformer 82 is connected to the port of the service equipment 70 through a sixth breaker S6 and a fourth breaker S4 in sequence.
It will be appreciated that a stable power supply to the auxiliary power device 70 is also required to ensure continued use of the auxiliary power device 70. In the present embodiment, the power distribution apparatus 60 supplies power to the auxiliary power device 70 through the third transformer 82, thereby achieving power sustainability of the auxiliary power device 70.
When the third transformer 82 is abnormal, the fifth breaker S5 and the sixth breaker S6 can be opened, so that the maintenance personnel can maintain the third transformer 82.
As an alternative embodiment, the energy storage and power generation device is any one of the energy storage and power generation devices.
It should be noted that the implementation manner of the embodiment of the energy storage power generation apparatus is also applicable to the embodiment of the energy storage power generation circuit, and can achieve the same technical effect, and is not described herein again.
Referring to fig. 3, fig. 3 is a circuit for storing energy and generating power in the related art, as shown in fig. 3, the circuit for storing energy and generating power does not use the energy storage power generation device of the embodiment of the present invention, but stores energy by two sets of gas compressors and two sets of motors, and generates power by one set of gas expander 30 and one set of generators.
The power distribution device 60 is connected with the first motor 91 through the seventh breaker S7, the fourth transformer 83 and the eighth breaker S8 in sequence, and the first motor 91 drives the first gas compressor 20 to work; the power distribution device 60 is connected to the second motor 92 through the ninth breaker S9, the fifth transformer 84 and the tenth breaker S10 in sequence, and the second motor 92 drives the second gas compressor 21 to operate, so that high-pressure gas is stored.
The power distribution device 60 is connected to the generator 90 sequentially through the first breaker S1, the first transformer 80, and the second breaker S2, and the generator 90 is connected to the gas expander 30, thereby generating power.
Compared with the circuit provided by the embodiment, the circuit comprising the energy storage power generation device can use fewer electrical devices, still achieves the same energy storage power generation effect, is lower in production cost, and is lower in idle rate of equipment resources, so that the utilization rate of the equipment resources is improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (8)
1. An energy storage and generation device, comprising:
the motor is used for being connected with a power grid;
the rotating shaft of the first gas compressor is connected with the rotating shaft at one end of the motor;
a rotating shaft of the gas expander is connected with a rotating shaft at the other end of the motor;
under the condition that the device needs to store energy, a rotating shaft at one end of the motor drives a rotating shaft of the first gas compressor to rotate, and the rotating shaft of the first gas compressor rotates to compress gas;
under the condition that the device is required to generate electricity, the gas expander releases gas to drive the rotating shaft of the gas expander to rotate, the rotating shaft of the gas expander rotates to drive the rotating shaft at the other end of the motor to rotate, and the rotating shaft of the motor rotates to generate electricity.
2. The energy storage and power generation device according to claim 1, wherein a first clutch and a second clutch are respectively arranged at two ends of a rotating shaft of the motor, one end of the first clutch, which is far away from the motor, is connected with the rotating shaft of the first gas compressor, and one end of the second clutch, which is far away from the motor, is connected with the rotating shaft of the gas expander;
under the condition that energy storage is required to be carried out on the device, the first clutch is closed, and the second clutch is separated;
in the case where the device is required to generate electricity, the first clutch is disengaged and the second clutch is closed.
3. The energy storage and power generation device of claim 2, further comprising a plurality of second gas compression devices and a transmission, wherein,
the transmission is provided with a transmission input shaft and a plurality of transmission output shafts;
the rotating shaft of the first gas compressor is connected with one of the transmission output shafts, the rotating shaft of each of the second gas compressors is connected with one of the transmission output shafts, and the transmission input shaft of the speed changer is connected with one end, far away from the motor, of the first clutch.
4. The energy-storing and power-generating device of claim 1, wherein the first gas compressor and the gas expander are disposed in the same enclosed space.
5. An energy storage and power generation circuit, comprising: distribution device, energy storage power generation facility and station service equipment, wherein, energy storage power generation facility includes:
the electrical port of the motor is connected with the first port of the power distribution device, the electrical port of the motor is also connected with the port of the auxiliary equipment, and the power distribution device is used for being connected with a power grid;
the rotating shaft of the first gas compressor is connected with the rotating shaft at one end of the motor;
a rotating shaft of the gas expander is connected with a rotating shaft at the other end of the motor;
under the condition that the energy storage power generation device stores energy, the power distribution device supplies power to the motor, a rotating shaft of the motor drives a rotating shaft of the first gas compressor to rotate, and the rotating shaft of the first gas compressor rotates to compress gas;
under the condition that the energy storage power generation device generates power, the gas expander releases gas to drive a rotating shaft of the gas expander to rotate, the rotating shaft of the gas expander rotates to drive a rotating shaft of the motor to rotate, and the rotating shaft of the motor rotates to generate power; the motor supplies power to the power distribution device, and the motor also supplies power to the auxiliary equipment.
6. The tank power circuit of claim 5, further comprising a first transformer and a second transformer, wherein,
a first port of the power distribution device is connected with one end of a first transformer through a first breaker, and the other end of the first transformer is connected with a port of the motor through a second breaker;
and the electric port of the motor is connected with one end of the second transformer through the second circuit breaker, and the other end of the second transformer is connected with the port of the auxiliary equipment through the third circuit breaker and the fourth circuit breaker in sequence.
7. The energy storage and power generation circuit of claim 6, further comprising a third transformer, wherein the second port of the power distribution device is connected to one end of the third transformer through a fifth circuit breaker, and the other end of the third transformer is connected to the port of the auxiliary equipment through a sixth circuit breaker and the fourth circuit breaker in sequence.
8. The energy storage and power generation circuit according to any one of claims 5 to 7, wherein the energy storage and power generation device is the energy storage and power generation device according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222156422.0U CN217813803U (en) | 2022-08-16 | 2022-08-16 | Energy storage power generation device and energy storage power generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202222156422.0U CN217813803U (en) | 2022-08-16 | 2022-08-16 | Energy storage power generation device and energy storage power generation circuit |
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| CN217813803U true CN217813803U (en) | 2022-11-15 |
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| CN202222156422.0U Active CN217813803U (en) | 2022-08-16 | 2022-08-16 | Energy storage power generation device and energy storage power generation circuit |
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- 2022-08-16 CN CN202222156422.0U patent/CN217813803U/en active Active
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