CN116513083A - Vehicle-mounted double-power-generation and power-supply system - Google Patents
Vehicle-mounted double-power-generation and power-supply system Download PDFInfo
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- CN116513083A CN116513083A CN202310451414.5A CN202310451414A CN116513083A CN 116513083 A CN116513083 A CN 116513083A CN 202310451414 A CN202310451414 A CN 202310451414A CN 116513083 A CN116513083 A CN 116513083A
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- 238000010248 power generation Methods 0.000 title claims abstract description 114
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 77
- 239000010703 silicon Substances 0.000 claims abstract description 77
- 238000004146 energy storage Methods 0.000 claims abstract description 42
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 40
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000002427 irreversible effect Effects 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 5
- 230000036961 partial effect Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0307—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using generators driven by a machine different from the vehicle motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention provides a vehicle-mounted double-power-generation power supply system which comprises a double-silicon power generation unit, a power management unit, a power supply power management unit and an electric energy storage unit, wherein when the power management unit recognizes that the voltage of a chassis power utilization unit is lower than a set value, an input end relay is disconnected, so that a chassis storage battery is ensured not to feed, the starting capability of the storage battery is ensured, and the problems that the chassis storage battery is overdischarged when a vehicle is in a static state or high-power utilization is caused, the normal starting of the vehicle is influenced, and the long-term overdischarge life of the storage battery is shortened are solved; the power management unit is arranged to control power, so that the problem that when a loading load is suddenly loaded or suddenly unloaded, the system voltage is pulled down or increased, the power supply of a chassis power utilization unit is insufficient due to partial working conditions, the whole vehicle power utilization device is impacted, and irreversible damage is brought to the power utilization device when the power supply is severe is solved.
Description
Technical Field
The invention relates to the technical field of power generation of vehicle-mounted engines, in particular to a vehicle-mounted double-power-generation power supply system.
Background
The generator of the traditional engine is driven by a belt to generate electricity by an excitation generator fixed at the front end of the engine, and three-phase alternating current is converted into direct current by a rectifier bridge to be used by a whole vehicle electric appliance. Because of the limitation of installation and arrangement, the power of a motor of the generator is generally smaller and not more than 4KW, and the high-power requirement of a vehicle mounting system cannot be met. According to the current market research, the current market electricity consumption is basically divided into 8kW, 20kW, 40kW and more than 40kW, wherein 8kW basically covers more than 80% of electricity consumption requirements.
The main power generation technology in the current market mainly comprises the technical schemes of independent vehicle-mounted power generators, flywheel motor power taking power generation, gearbox power taking power generation, front-section gear train power taking power generation, vehicle-mounted double-silicon power generation and the like, the stable power generation capacity under the working conditions of parking, driving and the like is guaranteed, the power supply of 40kW and more than 40kW basically adopts the independent vehicle-mounted power generators, flywheel motor power taking power generation technology, 20kW adopts the front-end gear train power taking power generation technology, and the 8kW power section with the widest application range basically adopts the vehicle-mounted double-silicon power generation technology.
The traditional double-silicon power generation technology has the advantages that a group of generators are additionally arranged on the basis of original chassis power generation, additional power generation requirements are provided for upper mounting, the double-silicon power generation technology is directly connected with a chassis storage battery, the structure has obvious defects, when a vehicle is in a static state or high-power is used, the chassis storage battery is overdischarged, normal starting of the vehicle is further affected, and the long-term overdischarge life of the storage battery is shortened; meanwhile, when the loading load is suddenly loaded or suddenly unloaded, the system voltage can be lowered or increased, partial working conditions can also cause insufficient power supply of the chassis power utilization unit, the whole vehicle power utilization unit is impacted, and irreversible damage can be brought to the power utilization unit when the loading load is serious.
Disclosure of Invention
In view of the above, the present invention provides a vehicle-mounted dual-power-generation system for solving the above-mentioned problems.
In order to solve the above problems, the present invention provides a vehicle-mounted dual-power generation and supply system, comprising: the system comprises a double-silicon power generation unit, a power management unit, a power supply power management unit and an electric energy storage unit; the double-silicon power generation unit is electrically connected with the electric energy storage unit and the power management unit in sequence; the power supply power management unit is electrically connected with the double-silicon power generation unit; the power utilization unit comprises a loading load and a chassis power utilization unit;
the double-silicon power generation unit is used for converting non-electric energy into direct current, charging the electric energy storage unit based on the direct current and simultaneously supplying power to the power utilization unit;
the power management unit is used for monitoring the voltage state of the chassis power utilization unit, and increasing the current limit of the uploading load when the voltage based on the uploading load is smaller than a first set value;
the power supply power management unit is used for controlling the power generation power of the double-silicon power generation unit;
the electric energy storage unit is used for storing the electric energy generated by the double-silicon power generation unit and supplying power to the power utilization unit.
In some possible implementations, the dual silicon power generation unit includes a first silicon power generation unit and a second silicon power generation unit;
the first silicon power generation unit is used for supplying power to the upper load;
the second silicon power generation unit is used for charging the electric energy storage unit.
In some possible implementations, the electrical energy storage unit is used to power the upper load and the chassis power unit.
In some possible implementations, the power management unit is configured to detect a voltage state of the chassis power unit through a voltage sensor, and when it is determined that the voltage of the chassis power unit is lower than a second set value, control a power management unit relay to interrupt power supply from the electrical energy storage unit to the chassis power unit.
In some possible implementations, the power supply power management unit is configured to set the first silicon power generation unit output voltage to be lower than a second silicon power generation unit output voltage.
In some possible implementations, the power management unit is a unidirectional output.
In some possible implementations, the power management unit further includes a power conversion module;
the power supply conversion module is used for converting the output of the electric energy storage unit into power supplies with different powers.
In some possible implementations, the power supply power management unit is configured to limit the magnitude of the supply current to the upper load and the chassis power unit by a set upper current limit.
In some possible implementations, the power conversion module includes one or more of a boost circuit, a buck circuit, and a boost-buck circuit.
In some possible implementations, the uploading load is further electrically connected with the power management unit;
and the upper load is used for controlling the electric energy storage unit to supply power to the upper load when the voltage of the chassis power utilization unit is higher than a second set value.
Compared with the prior art, the invention has the beneficial effects that: the embodiment of the invention provides a vehicle-mounted double-power-generation power supply system, which comprises: the system comprises a double-silicon power generation unit, a power management unit, a power supply power management unit and an electric energy storage unit; the double-silicon power generation unit is electrically connected with the electric energy storage unit and the power management unit in sequence; the power supply power management unit is electrically connected with the double-silicon power generation unit; the double-silicon power generation unit is used for converting non-electric energy into direct current, charging the electric energy storage unit based on the direct current and simultaneously supplying power to the power utilization unit; the power management unit is used for monitoring the voltage state of the chassis power utilization unit, and stopping power supply when the voltage of the uploading load is lower than a set value; the power supply power management unit is used for controlling the power generation power of the double-silicon power generation unit; the electric energy storage unit is used for storing the electric energy generated by the double-silicon power generation unit and supplying power to the power utilization unit. When the voltage of the chassis power utilization unit is recognized to be lower than a set value through the power management unit, the input end relay is disconnected, so that the chassis storage battery is ensured not to be fed, the starting capability of the storage battery is ensured, and the problems that the chassis storage battery is overdischarged when a vehicle is in a static state or high-power is used, the normal starting of the vehicle is affected and the long-term overdischarge life of the storage battery is shortened are solved; meanwhile, the power supply power management unit sets that the output voltage of the first silicon power generation unit is lower than that of the second silicon power generation unit, the power supply of the second silicon power generation unit is preferentially guaranteed, when the second silicon power generation unit is in overload operation, the voltage is lowered, rated power compensation is achieved by the first silicon power generation unit at the moment, and the problems that when a loading load is suddenly loaded or suddenly unloaded, the voltage of a system is lowered or increased, the power supply of a chassis power utilization unit is insufficient due to partial working conditions, the whole vehicle power utilization device is impacted, and irreversible damage is brought to the power utilization device in severe cases are solved.
Drawings
Fig. 1 is a flowchart of an embodiment of an on-vehicle dual-power system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which are obtained by persons skilled in the art without any inventive effort, are within the scope of the present invention based on the embodiments of the present invention.
It should be understood that the schematic drawings are not drawn to scale. A flowchart, as used in this disclosure, illustrates operations implemented according to some embodiments of the present invention. It should be appreciated that the operations of the flow diagrams may be implemented out of order and that steps without logical context may be performed in reverse order or concurrently. Moreover, one or more other operations may be added to or removed from the flow chart by those skilled in the art under the direction of the present disclosure.
Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software or in one or more hardware modules or integrated circuits or in different networks and/or processor systems and/or microcontroller systems.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments.
The embodiment of the invention provides a vehicle-mounted double-power-generation power supply system which is described below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a vehicle-mounted dual-power-generation and power-supply system 10 according to the present invention, where the vehicle-mounted dual-power-generation and power-supply system 10 includes: a dual silicon power generation unit 200, a power management unit 100, a power management unit 400, and an electrical energy storage unit 300; the dual-silicon power generation unit 200 is electrically connected with the electric energy storage unit 300 and the power management unit 100 in sequence; the power management unit 400 is electrically connected with the dual silicon power generation unit 200; the power utilization unit comprises a loading load and a chassis power utilization unit;
the dual silicon power generation unit 200 is configured to convert non-electric energy into direct current and charge the electric energy storage unit 300 based on the direct current while supplying power to the power unit;
the power management unit 100 is configured to monitor a voltage state of the chassis power unit, and increase current limiting of the uploading load when the voltage based on the uploading load is smaller than a first set value;
the power management unit 400 is configured to control the generated power of the dual silicon power generation unit 200;
the electric energy storage unit 300 is used for storing electric energy generated by the dual silicon power generation unit 200 and supplying power to the power utilization unit.
Compared with the prior art, the vehicle-mounted double-power-generation power supply system provided by the embodiment of the invention comprises the following components: the system comprises a double-silicon power generation unit, a power management unit, a power supply power management unit and an electric energy storage unit; the double-silicon power generation unit is electrically connected with the electric energy storage unit and the power management unit in sequence; the power supply power management unit is electrically connected with the double-silicon power generation unit; the double-silicon power generation unit is used for converting non-electric energy into direct current, charging the electric energy storage unit based on the direct current and simultaneously supplying power to the power utilization unit; the power management unit is used for monitoring the voltage state of the chassis power utilization unit, and stopping power supply when the voltage of the uploading load is lower than a set value; the power supply power management unit is used for controlling the power generation power of the double-silicon power generation unit; the electric energy storage unit is used for storing the electric energy generated by the double-silicon power generation unit and supplying power to the power utilization unit. When the voltage of the chassis power utilization unit is recognized to be lower than a set value through the power management unit, the input end relay is disconnected, so that the chassis storage battery is ensured not to be fed, the starting capability of the storage battery is ensured, and the problems that the chassis storage battery is overdischarged when a vehicle is in a static state or high-power is used, the normal starting of the vehicle is affected and the long-term overdischarge life of the storage battery is shortened are solved; meanwhile, the power supply power management unit sets that the output voltage of the first silicon power generation unit is lower than that of the second silicon power generation unit, the power supply of the second silicon power generation unit is preferentially guaranteed, when the second silicon power generation unit is in overload operation, the voltage is lowered, rated power compensation is achieved by the first silicon power generation unit at the moment, and the problems that when a loading load is suddenly loaded or suddenly unloaded, the voltage of a system is lowered or increased, the power supply of a chassis power utilization unit is insufficient due to partial working conditions, the whole vehicle power utilization device is impacted, and irreversible damage is brought to the power utilization device in severe cases are solved.
In some embodiments of the invention, the dual silicon power generation unit comprises a first silicon power generation unit and a second silicon power generation unit;
the first silicon power generation unit is used for supplying power to the upper load;
the second silicon power generation unit is used for charging the electric energy storage unit.
In some possible implementations, the electrical energy storage unit is used to power the upper load and the chassis power unit.
In some embodiments of the present invention, the power management unit is configured to detect a voltage state of the chassis power unit through a voltage sensor, and when it is determined that the voltage of the chassis power unit is lower than a second set value, control a power management unit relay to interrupt power supply from the electrical energy storage unit to the chassis power unit.
In a specific embodiment, the power management unit detects the voltage state of the chassis electricity utilization unit through the voltage sensor, when the voltage of the chassis electricity utilization unit is lower than a set value, the power management unit relay interrupts the electric energy storage unit to supply power to the chassis electricity utilization unit, and the relay is used for disconnecting input, so that the chassis storage battery is ensured not to be fed, and the starting capability of the storage battery is ensured.
In some embodiments of the invention, the power supply power management unit sets the first silicon power generation unit output voltage lower than a second silicon power generation unit output voltage.
In some embodiments of the invention, the power management unit is a unidirectional output.
In a specific embodiment, the power management unit is unidirectional output, so that impact of the uploading load on the chassis power utilization unit is avoided, and physical isolation is realized.
In some embodiments of the invention, the power management unit further comprises a power conversion module;
the power supply conversion module is used for converting the output of the electric energy storage unit into power supplies with different powers.
In some embodiments of the invention, the power supply power management unit is configured to limit the magnitude of the supply current to the upper load and the chassis power unit.
In some embodiments of the invention, the power conversion module includes one or more of a boost circuit, a buck circuit, and a boost-buck circuit.
In particular embodiments, the power conversion module may convert the output of the electrical energy storage unit into a power source of different power using a DC-DC power converter.
In some embodiments of the present invention, the upper load is further electrically connected to the power management unit;
and the upper load is used for controlling the electric energy storage unit to supply power to the upper load when the voltage of the chassis power utilization unit is higher than a second set value.
The embodiment of the invention provides a vehicle-mounted double-power-generation power supply system, which comprises: the system comprises a double-silicon power generation unit, a power management unit, a power supply power management unit and an electric energy storage unit; the double-silicon power generation unit is electrically connected with the electric energy storage unit and the power management unit in sequence; the power supply power management unit is electrically connected with the double-silicon power generation unit; the double-silicon power generation unit is used for converting non-electric energy into direct current, charging the electric energy storage unit based on the direct current and simultaneously supplying power to the power utilization unit; the power management unit is used for monitoring the voltage state of the chassis power utilization unit, and stopping power supply when the voltage of the uploading load is lower than a set value; the power supply power management unit is used for controlling the power generation power of the double-silicon power generation unit; the electric energy storage unit is used for storing the electric energy generated by the double-silicon power generation unit and supplying power to the power utilization unit. When the voltage of the chassis power utilization unit is recognized to be lower than a set value through the power management unit, the input end relay is disconnected, so that the chassis storage battery is ensured not to be fed, the starting capability of the storage battery is ensured, and the problems that the chassis storage battery is overdischarged when a vehicle is in a static state or high-power is used, the normal starting of the vehicle is affected and the long-term overdischarge life of the storage battery is shortened are solved; meanwhile, the power supply power management unit sets that the output voltage of the first silicon power generation unit is lower than that of the second silicon power generation unit, the power supply of the second silicon power generation unit is preferentially guaranteed, when the second silicon power generation unit is in overload operation, the voltage is lowered, rated power compensation is achieved by the first silicon power generation unit at the moment, and the problems that when a loading load is suddenly loaded or suddenly unloaded, the voltage of a system is lowered or increased, the power supply of a chassis power utilization unit is insufficient due to partial working conditions, the whole vehicle power utilization device is impacted, and irreversible damage is brought to the power utilization device in severe cases are solved.
The above describes a vehicle-mounted dual-power-transmission system in detail, and specific examples are applied to illustrate the principle and implementation of the present invention, and the above description of the examples is only used to help understand the method and core idea of the present invention; meanwhile, as for the person skilled in the art, according to the present invention, there are changes in the embodiments and the application scope, and the above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily considered by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A vehicle-mounted dual-power-generation system, comprising: the system comprises a double-silicon power generation unit, a power management unit, a power supply power management unit and an electric energy storage unit; the double-silicon power generation unit is electrically connected with the electric energy storage unit and the power management unit in sequence; the power supply power management unit is electrically connected with the double-silicon power generation unit; the power utilization unit comprises a loading load and a chassis power utilization unit;
the double-silicon power generation unit is used for converting non-electric energy into direct current, charging the electric energy storage unit based on the direct current and simultaneously supplying power to the power utilization unit;
the power management unit is used for monitoring the voltage state of the chassis power utilization unit, and increasing the current limit of the uploading load when the voltage based on the uploading load is smaller than a first set value;
the power supply power management unit is used for controlling the power generation power of the double-silicon power generation unit;
the electric energy storage unit is used for storing the electric energy generated by the double-silicon power generation unit and supplying power to the power utilization unit.
2. The vehicle-mounted double-power-generation and power-supply system according to claim 1, wherein the double-silicon power generation unit comprises a first silicon power generation unit and a second silicon power generation unit;
the first silicon power generation unit is used for supplying power to the upper load;
the second silicon power generation unit is used for charging the electric energy storage unit.
3. A vehicle mounted dual power generation system in accordance with claim 1, wherein said electrical energy storage unit is configured to power said upper load and said chassis power unit.
4. A vehicle-mounted dual-power-generation system according to claim 3, wherein the power management unit is configured to detect a voltage state of the chassis power unit through the voltage sensor, and control the power management unit relay to interrupt power supply of the electrical energy storage unit to the chassis power unit when it is determined that the voltage of the chassis power unit is lower than a second set value.
5. The vehicle-mounted double-power-generation system according to claim 1, wherein the power supply power management unit is configured to set the output voltage of the first silicon power generation unit to be lower than the output voltage of the second silicon power generation unit.
6. The vehicle-mounted dual power generation system of claim 1, wherein the power management unit is a unidirectional output.
7. The vehicle-mounted dual power generation system according to claim 1, wherein the power management unit further comprises a power conversion module;
the power supply conversion module is used for converting the output of the electric energy storage unit into power supplies with different powers.
8. A vehicle-mounted dual power generation system according to claim 3, wherein the power supply power management unit is configured to limit the magnitude of the supply current to the upper load and the chassis power utilization unit by a set upper current limit.
9. The vehicle-mounted dual-power-generation system of claim 7, wherein the power conversion module comprises one or more of a boost circuit, a buck circuit, and a boost-buck circuit.
10. The vehicle-mounted double-power-generation system according to claim 1, wherein the upper load is further electrically connected to the power management unit;
and the upper load is used for controlling the electric energy storage unit to supply power to the upper load when the voltage of the chassis power utilization unit is higher than a second set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310451414.5A CN116513083A (en) | 2023-04-24 | 2023-04-24 | Vehicle-mounted double-power-generation and power-supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310451414.5A CN116513083A (en) | 2023-04-24 | 2023-04-24 | Vehicle-mounted double-power-generation and power-supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116513083A true CN116513083A (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310451414.5A Pending CN116513083A (en) | 2023-04-24 | 2023-04-24 | Vehicle-mounted double-power-generation and power-supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116513083A (en) |
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2023
- 2023-04-24 CN CN202310451414.5A patent/CN116513083A/en active Pending
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