CN210591571U - New forms of energy formula portable power source car system - Google Patents
New forms of energy formula portable power source car system Download PDFInfo
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- CN210591571U CN210591571U CN201921342206.7U CN201921342206U CN210591571U CN 210591571 U CN210591571 U CN 210591571U CN 201921342206 U CN201921342206 U CN 201921342206U CN 210591571 U CN210591571 U CN 210591571U
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- 238000004146 energy storage Methods 0.000 claims abstract description 23
- 230000003993 interaction Effects 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The utility model discloses a new forms of energy formula portable power source car system, including the energy storage battery group system that is used for providing the energy storage power, be used for carrying out the PDU module that distributes to the power consumption, be used for with DC conversion for the DC AC inverter system of alternating current with be used for the DC/DC control system that charges for electric automobile. The utility model can be used for charging national standard electric vehicles with different specifications on the market, and simultaneously, can also provide good temporary power supply guarantee for sudden power failure of relevant departments, and can meet the power supply requirements of each construction; through with each subassembly integration in assembly support, have compact structure, dependable performance, characteristics such as multiple functional to can install in different electric vehicle chassis or container with system's support as the basis, especially be fit for electric automobile because of the interim outage and the urgent benefit electricity that the charging station was gone on by oneself not have, emergent power supply when the commercial power has a power failure and the city net electric power is because of the circumstances such as the power supply shortage and peak clipping is filled in.
Description
Technical Field
The utility model relates to a portable power source technical field, concretely relates to new forms of energy formula portable power source car system.
Background
With the continuous promotion of the policy of energy conservation and emission reduction in China, new energy electric vehicles are increasingly popularized in the market; as is known, the higher driving range of a new energy automobile is the current technical bottleneck, and it is all the better that the new energy automobile cannot continue to drive because the battery of the automobile is dead and is far away from the fixed charging station.
The power source of the mobile power supply vehicle system in the market at present is mainly a generator, and the fuel of the generator is diesel oil or gasoline and is provided with an oil storage tank. From the aspects of energy conservation and environmental protection, the system is in conflict with the national blue sky protection plan; and the noise of the general engine unit during operation is about 110 dB. In order to reduce noise, a power supply vehicle system in the market is provided with measures of adding a silencer, an anti-sound device, sound-absorbing cotton on a side plate of a carriage or adding sealing strips on doors and windows of the carriage, and the like, so that the work is complex; the built-in national standard direct current charging pile is used for charging electric automobiles on the market by converting 380V alternating current output by the generator set into 200V-750V direct current, so that the working efficiency of the system is relatively low, and the energy consumption of electric energy is large; finally, most of the operation control systems of the existing mobile power supply vehicles adopt a mechanical type or an electrical switch type to operate corresponding functions, and work technical parameters in the systems cannot be controlled or are inconvenient to control in real time.
Based on the existing problems, a mobile charging system configured for the electric vehicles is urgently needed in the market to better and more conveniently supply electric quantity to the vehicles in the emergency situations, and therefore, a new energy type mobile power supply vehicle system is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: how to solve electric vehicle's emergent charging problem effectively provides a new forms of energy formula portable power source car system.
The utility model solves the technical problems by the following technical proposal, the utility model comprises an energy storage battery pack system for providing an energy storage power supply, a PDU module for distributing power consumption, a DC/AC inversion system for converting direct current into alternating current and a DC/DC charging control system for charging an electric automobile, wherein the energy storage battery pack system comprises a plurality of battery packs, the battery packs are sequentially connected in series, the total positive end and the total negative end of the battery packs are respectively connected with the PDU module, the DC/AC inversion system comprises a DC/AC module, the input end of the DC/AC module is connected with the PDU module, the output end of the DC/AC module outputs alternating current, the DC/DC charging control system comprises a DC/DC module, the input end of the DC/DC module is connected with the PDU module, and the output end of the DC/DC module outputs direct current used for an external electric vehicle. Through the DC/DC charging control system and the DC/DC charging control system, the charging can be provided for national standard electric vehicles with different specifications on the market, meanwhile, a good temporary power supply guarantee can be provided for sudden power failure of relevant departments, and the power supply requirements of various constructions can be met. The mobile power supply vehicle system is particularly suitable for being used under the conditions of emergency power supply for the electric vehicle due to temporary power failure and no charging station at the side, emergency power supply during mains supply power failure, peak clipping and valley filling of the mains network power due to power supply shortage and the like.
Furthermore, the portable power source vehicle system further comprises a dc charging base and an ac charging base, wherein the dc charging base and the ac charging base are respectively connected with the PDU module. The direct current charging seat and the alternating current charging seat are external interfaces conforming to national standards and are used for charging and storing energy for the mobile power supply vehicle system, and the national standard charging is divided into direct current charging and alternating current charging.
Furthermore, the mobile power supply vehicle system further comprises a human-computer interaction display screen, and the human-computer interaction display screen is in communication connection with the DC/DC charging control system of the DC/AC inverter system, the energy storage battery pack system, the direct-current charging base and the alternating-current charging base through a CAN network.
Furthermore, during the use period, the charging and discharging information of the mobile power supply vehicle system is monitored and recorded in real time through the human-computer interaction display screen.
Furthermore, the mobile power supply vehicle system further comprises a control panel switch group, the control panel switch group comprises a power supply starting switch for controlling the mobile power supply vehicle system to power on and power off and an emergency stop switch for emergently stopping charging and discharging, and the power supply starting switch controls the mobile power supply vehicle system to power on and power off through a low-voltage system in the mobile power supply vehicle system.
Furthermore, the mobile power supply vehicle system further comprises an assembly support, and the energy storage battery pack system, the PDU module, the DC/AC inverter system, the DC/DC charging control system, the human-computer interaction display screen and the control panel switch set are all arranged inside the assembly support. By integrating all the components in the assembly bracket, the mobile power supply vehicle system has the characteristics of compact structure, reliable performance, complete functions and the like.
Furthermore, the assembly bracket is provided with a mounting component, the assembly bracket is mounted on the electric vehicle chassis or in the container through the mounting component, and the whole power supply vehicle system can be conveniently mounted on different electric vehicle chassis or in the container through the mounting component.
Furthermore, the DC/AC inversion system also comprises an AC circuit breaker which is connected with the output end of the DC/AC module.
Further, a Battery Management System (BMS) chip is provided in the PDU module.
Furthermore, the DC/DC charging control system further comprises a controller and a national standard DC charging gun, wherein a communication interface is arranged on the national standard DC charging gun, the controller is connected with the communication interface, and the input end of the national standard DC charging gun is connected with the output end of the DC/DC module. The controller is mainly used for supplying power and communicating battery information to a battery management system chip of an external charging vehicle.
Compared with the prior art, the utility model has the following advantages: firstly, the DC/DC charging control system and the DC/DC charging control system can be used for charging national standard electric vehicles with different specifications in the market, and meanwhile, good temporary power supply guarantee can be provided for sudden power failure of relevant departments, and power supply requirements of various constructions can be met; the portable power supply vehicle system has the advantages of being compact in structure, reliable in performance, complete in function and the like by integrating all components in the assembly support, and the whole system can be installed in different electric vehicle chassis or containers on the basis of the system support.
Drawings
Fig. 1 is a schematic diagram of a portable power cart system according to the present invention;
fig. 2 is a schematic structural diagram of the portable power cart system of the present invention;
FIG. 3 is a schematic view of the overall structure of the assembly bracket of the present invention;
fig. 4 is a side view of the portable power cart system of the present invention.
In FIGS. 2 to 4: 1. an assembly support; 2. a PDU module; 3. a DC/AC module; 4. a DC/DC module; 5. an energy storage battery pack system; 6. a human-computer interaction display screen; 7. a power supply start switch; 8. an AC circuit breaker protector; 9. a national standard direct current charging gun; 10. a scram switch; 11. and a DC charging seat.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the present embodiment provides a technical solution: a new energy type mobile power supply vehicle system comprises an energy storage battery pack system 5 used for providing an energy storage power supply, a PDU module 2 used for distributing power consumption, a DC/AC inverter system used for converting direct current into alternating current and a DC/DC charging control system used for charging an electric vehicle, wherein the energy storage battery pack system 5 comprises a plurality of battery packs, the battery packs are sequentially connected in series, the total positive end and the total negative end of the battery packs are respectively connected with the PDU module 2, the DC/AC inverter system comprises a DC/AC module 3, the input end of the DC/AC module 3 is connected with the PDU module 2, the output end of the DC/AC module 3 outputs alternating current, the DC/DC charging control system comprises a DC/DC module 4, and the input end of the DC/DC module 4 is connected with the PDU module 2, the output end of the DC/DC module 4 outputs direct current for the external electric vehicle. Through the DC/DC charging control system and the DC/DC charging control system, the charging can be provided for national standard electric vehicles with different specifications on the market, meanwhile, a good temporary power supply guarantee can be provided for sudden power failure of relevant departments, and the power supply requirements of various constructions can be met. The mobile power supply vehicle system is particularly suitable for being used under the conditions of emergency power supply for the electric vehicle due to temporary power failure and no charging station at the side, emergency power supply during mains supply power failure, peak clipping and valley filling of the mains network power due to power supply shortage and the like.
Specifically, the portable power source vehicle system further includes a dc charging base 11 and an ac charging base, wherein the dc charging base 11 is connected to a national standard dc charging base, the ac charging base is connected to a national standard ac charging base, and the dc charging base 11 and the ac charging base are respectively connected to the PDU module 2. The dc charging base 11 and the ac charging base are external interfaces conforming to national standards, and are used for charging and storing energy for the mobile power vehicle system, the national standards are dc charging and ac charging, and in the mobile power vehicle system in this embodiment, only the dc charging base 11 is reserved.
Specifically, the mobile power supply vehicle system further comprises a human-computer interaction display screen 6, and the human-computer interaction display screen 6 is in communication connection with the DC/DC charging control system of the DC/AC inverter system, the energy storage battery pack system, the DC charging base 11 and the AC charging base through a CAN network.
Specifically, during the use period, the charging and discharging information of the mobile power supply vehicle system is monitored and recorded in real time through the human-computer interaction display screen 6.
Specifically, the mobile power supply vehicle system further comprises a control panel switch group, the control panel switch group comprises a power supply starting switch 7 for controlling the mobile power supply vehicle system to be powered on and powered off and an emergency stop switch 10 for emergently stopping charging and discharging, and the power supply starting switch 7 controls the mobile power supply vehicle system to be powered on and powered off through a low-voltage system in the mobile power supply vehicle system.
Specifically, the mobile power supply vehicle system further comprises an assembly support 1, and the energy storage battery pack system 5, the PDU module 2, the DC/AC inverter system, the DC/DC charging control system, the human-computer interaction display screen 6 and the control panel switch set are all arranged inside the assembly support 1. By integrating all the components in the assembly bracket 1, the mobile power supply vehicle system has the characteristics of compact structure, reliable performance, complete functions and the like.
Specifically, the assembly bracket is provided with a mounting component, the mounting component is a lifting lug in the embodiment, the assembly bracket is mounted on the electric vehicle chassis or in the container through the mounting component, and the whole power supply vehicle system can be conveniently mounted on different electric vehicle chassis or in the container through the mounting component.
Specifically, the DC/AC inverter system further includes an AC circuit breaker 8, and the AC circuit breaker 8 is connected to the output terminal of the DC/AC module 3.
Further, a Battery Management System (BMS) chip is provided in the PDU module.
Furthermore, the DC/DC charging control system further comprises a controller and a national standard DC charging gun, wherein a communication interface is arranged on the national standard DC charging gun, the controller is connected with the communication interface, and the input end of the national standard DC charging gun is connected with the output end of the DC/DC module. The controller is mainly used for supplying power and communicating battery information to a battery management system chip of an external charging vehicle.
The working principle is as follows: as shown in fig. 2 to 4, in the use process of the new energy type mobile power supply vehicle system, the mobile power supply vehicle system is firstly started: starting a power supply starting switch 7, electrifying the mobile power supply vehicle system at low voltage, enabling a human-computer interaction display screen 6 to be in a working state, entering an interface, and selecting an operation interface; secondly, when the energy storage battery pack system 5 is charged, the DC charging seat 11 supplies power, and the PDU module 2 charges the energy storage battery pack system 5; when alternating current power supply is needed for external operation, inversion discharge is started from the human-computer interaction display screen 6, the energy storage battery pack system 5 enables the DC/AC module 3 to work through the PDU module 2, 380V alternating current inversion is carried out, and 380V alternating current provides power for external operation through the AC circuit breaker 8; when the electric vehicle needs to be charged emergently, direct current discharge is started from the human-computer interaction display screen 6, the energy storage battery pack system 5 enables the DC/DC module 4 to work through the PDU module 2, and the controller is used for controlling and outputting 200V-750V direct current to charge the national standard electric vehicle on the market; charging an external electric vehicle by using a national standard protocol through a national standard direct current charging gun 9; and finally, the human-computer interaction display screen 6 can monitor and record the charging and discharging information of the mobile power supply vehicle system in real time during the use period, the stopping of the discharging of the mobile power supply vehicle system is completed by calling a corresponding module stop command in the human-computer interaction display screen 6, so that the used equipment in the mobile power supply vehicle system is powered off, and then the power supply starting switch 7 is turned off. In an emergency state, the emergency stop switch 10 is pressed, and the portable power source vehicle system stops executing the charging and discharging command.
It should be noted that, because the power plant is used for generating power continuously all the day long, if the generated power is not used, the energy used for generating power is wasted. The power generation capacity of a power plant is usually fixed and not easy to change, but the electricity is not enough in the daytime due to the peak power utilization, and the electricity is wasted due to the valley at night, so that the energy storage battery pack system 5 can be charged in the valley of the electricity utilization at night, and the electricity is used in the peak power utilization at daytime; thereby achieving the purpose of saving energy by clipping peaks and filling valleys.
In summary, the new energy type mobile power supply vehicle system can provide national standard electric vehicles with different specifications on the market for charging through the arranged DC/DC charging control system and the DC/DC charging control system, can also provide good temporary power supply guarantee for sudden power failure of relevant departments, and can also meet the power supply requirements of various constructions; through integrating each subassembly in the assembly support, make portable power source car system have compact structure, the dependable performance, characteristics such as multiple functional to entire system can install in different electric vehicle chassis or containers with system's support as the basis, and this system is particularly suitable for electric automobile because of the urgent benefit electricity that the temporary power failure and body do not have the charging station, emergent power supply when the commercial power has a power failure and the city net electric power is because of the power supply under the circumstances such as the short peak clipping is filled out, is worth using widely.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. The utility model provides a new forms of energy formula portable power source car system which characterized in that: comprises an energy storage battery pack system for providing an energy storage power supply, a PDU module for distributing power consumption, a DC/AC inverter system for converting direct current into alternating current and a DC/DC charging control system for charging an electric automobile, the energy storage battery pack system comprises a plurality of battery packs which are connected in series in sequence, the total positive end and the total negative end of the plurality of battery packs are respectively connected with the PDU module, the DC/AC inversion system comprises a DC/AC module, the input end of the DC/AC module is connected with the PDU module, the output end of the DC/AC module outputs alternating current, the DC/DC charging control system comprises a DC/DC module, the input end of the DC/DC module is connected with the PDU module, and the output end of the DC/DC module outputs direct current for an external electric vehicle.
2. The new energy type mobile power supply vehicle system according to claim 1, characterized in that: the mobile power supply vehicle system further comprises a direct current charging seat and an alternating current charging seat, and the direct current charging seat and the alternating current charging seat are respectively connected with the PDU module.
3. The new energy type mobile power supply vehicle system according to claim 2, characterized in that: the mobile power supply vehicle system further comprises a human-computer interaction display screen, and the human-computer interaction display screen is in communication connection with the DC/DC charging control system, the energy storage battery pack system, the direct current charging base and the alternating current charging base through a CAN network.
4. The new energy type mobile power supply vehicle system according to claim 3, characterized in that: and during use, the charging and discharging information of the mobile power supply vehicle system is monitored and recorded in real time through the human-computer interaction display screen.
5. The new energy type mobile power supply vehicle system according to claim 1, characterized in that: the mobile power supply vehicle system further comprises a control panel switch group, and the control panel switch group comprises a power supply starting switch used for controlling the mobile power supply vehicle system to be powered on and powered off and an emergency stop switch used for emergently stopping charging and discharging.
6. The new energy type mobile power supply vehicle system according to claim 1, characterized in that: the mobile power supply vehicle system further comprises an assembly support, and the energy storage battery pack system, the PDU module, the DC/AC inverter system, the DC/DC charging control system, the human-computer interaction display screen and the control panel switch set are all arranged inside the assembly support.
7. The new energy type mobile power supply vehicle system according to claim 6, wherein: the assembly support is provided with a mounting component, and the assembly support is mounted on the electric vehicle chassis or in the container through the mounting component.
8. The new energy type mobile power supply vehicle system according to claim 1, characterized in that: the DC/AC inversion system also comprises an AC circuit breaker, and the AC circuit breaker is connected with the output end of the DC/AC module.
9. The new energy type mobile power supply vehicle system according to claim 1, characterized in that: the DC/DC charging control system further comprises a controller and a national standard DC charging gun, wherein a communication interface is arranged on the national standard DC charging gun, the controller is connected with the communication interface, and the input end of the national standard DC charging gun is connected with the output end of the DC/DC module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921342206.7U CN210591571U (en) | 2019-08-19 | 2019-08-19 | New forms of energy formula portable power source car system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921342206.7U CN210591571U (en) | 2019-08-19 | 2019-08-19 | New forms of energy formula portable power source car system |
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| CN210591571U true CN210591571U (en) | 2020-05-22 |
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| CN201921342206.7U Expired - Fee Related CN210591571U (en) | 2019-08-19 | 2019-08-19 | New forms of energy formula portable power source car system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450693A (en) * | 2019-08-19 | 2019-11-15 | 安徽安天锂能科技有限公司 | A kind of new energy formula mobile power vehicle system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450693A (en) * | 2019-08-19 | 2019-11-15 | 安徽安天锂能科技有限公司 | A kind of new energy formula mobile power vehicle system |
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Granted publication date: 20200522 |