CN105305588B - A kind of vehicle-mounted charge management system - Google Patents
A kind of vehicle-mounted charge management system Download PDFInfo
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- CN105305588B CN105305588B CN201510819551.5A CN201510819551A CN105305588B CN 105305588 B CN105305588 B CN 105305588B CN 201510819551 A CN201510819551 A CN 201510819551A CN 105305588 B CN105305588 B CN 105305588B
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Abstract
The present invention relates to photovoltaic power generation and electric car charging technique fields, are related to a kind of vehicle-mounted charge management system, mainly include flexible solar battery pack, solar charging motor, ground charger, battery management system and electric car ontology.Flexible solar battery pack obtains luminous energy and is translated into electric energy, solar charging motor is according to the information about power of the intrinsic power battery pack of electric car and the charge information of ground charger, adjust automatically flexible solar battery pack is the mode of described this bulk charging of electric car, and the service life of power battery pack is extended while extending electric automobile during traveling mileage.Wherein, solar charging motor is made of the Boost circuit of two-way crisscross parallel, then uses for reference the MPPT control technology of large-sized photovoltaic power station grade, can not only be reduced system bulk and be improved charge efficiency, and can also enhance system shock resistance and thermal diffusivity.In addition, the MPPT control technology not only uses for reference large-scale ground photovoltaic plant application experience, the tracking of sound state is high-efficient, and the scheduling of the battery management system can also be responded by the first controller LAN and second controller local area network.
Description
Technical field
The present invention relates to photovoltaic power generation and electric car charging technique fields, are related to a kind of vehicle-mounted charge management system.
Background technique
Electric car has the advantages that no exhaust emission, noise are low, is easy to manipulate, maintenance and operating cost are low etc., and
There is incomparable advantage in environmental protection and energy conservation, it is the effective way for solving today's society huge energy consumption and environmental pressure
Diameter.
The charging modes of electric car are broadly divided into normal charge mode and quick charge mode at present.It restricts at present electronic
The big bottleneck of the one of development of automobile is the problem related to battery:
Firstly, normal charge mode charges to electric car using traditional charging modes of constant pressure, constant current.At home
Or parking lot, typical charging time are 8~10 hours.And in small-sized charging station, the typical charging time is 1~2 hour.Needle
And electrically-charging equipment a limited number of limitations long to the charging time existing for normal charge mode have related patents to propose to utilize peace
Photovoltaic cell mounted in roof constructs a set of photovoltaic charging system, charges to power battery pack, extends electric car continuation of the journey
Mileage.However this kind of photovoltaic charging system is evolved from family with photovoltaic energy-storage system mostly, core is photovoltaic control
Device, there are many security risks such as poor radiation, shock resistance difference, are not able to satisfy to requirement as defined in electric car.
Secondly, quick charge is alternatively referred to as charged rapidly or emergent charging, the purpose is to give electric car in a short time
Fully charged, the refueling time of charging time and fuel vehicle is close.Large-scale charging station (machine) mostly use this charging modes quickly to
Electric car charging, still, quick charge is difficult for battery to be full of, and the disposable continual mileage that charges is short, by cycle life
Limitation etc..
Therefore, the service life of the operating range and power battery pack that how to extend electric car becomes those skilled in the art
The a great problem that member faces.
Summary of the invention
In view of the above problems, the present invention proposes a kind of vehicle-mounted charge management system, which mainly wraps
Include flexible solar battery pack, solar charging motor, ground charger, battery management system and electric car ontology.It is flexible
Solar cell module obtains luminous energy and is translated into electric energy, and solar charging motor is according to the intrinsic power electric of electric car
The information about power of pond group and whether receiving ground charger charging, adjustment flexible solar battery pack be it is described electronic
The mode of automobile body charging, the technical solution specifically:
A kind of vehicle-mounted charge management system, wherein the vehicle-mounted charge management system includes:
Electric car ontology, including power battery pack store electric energy and provide electric energy for the electric car ontology；
Flexible solar battery pack is installed on the electric car ontology, obtains solar energy, and solar energy is converted
For electric energy；
Solar charging motor is connect with the flexible solar battery pack and the power battery pack respectively, obtains institute
The electric energy of flexible solar battery pack is stated, is the charge mode of power battery pack charging and is that the power battery pack is filled
Electricity.
Above-mentioned vehicle-mounted charge management system, wherein the vehicle-mounted management system further includes ground charger, the ground
Charger is connect with the power battery pack, is charged for the power battery pack.
Above-mentioned vehicle-mounted charge management system, wherein the Vehicular solar charger and the electric car ontology
The power battery pack is communicated by a communication unit.
Above-mentioned vehicle-mounted charge management system, wherein the vehicle-mounted management system further includes a battery management system, described
Battery management system provides the parameter information of the power battery pack.
Above-mentioned vehicle-mounted charge management system, wherein the parameter information includes capacity information, functional status information and is good for
Health status information.
Above-mentioned vehicle-mounted charge management system, wherein the solar charging motor passes through one first controller local area network
Access the battery management system.
Above-mentioned vehicle-mounted charge management system, wherein the solar charging motor is according to the capacity of the power battery pack
The charge information of information and the ground charger is automatically regulated to be the charge mode of the power battery pack charging.
Above-mentioned vehicle-mounted charge management system, wherein the solar charging motor passes through a second controller local area network
Obtain the charge information that the power battery pack receives the ground charger.
Above-mentioned vehicle-mounted charge management system, wherein the solar charging motor is electric by the Boost of two-way crisscross parallel
Road is constituted, then is aided with the MPPT control technology of power station grade, can not only be reduced system bulk and be improved charge efficiency, and can also increase
Strong system shock resistance and thermal diffusivity.
Above-mentioned vehicle-mounted charge management system, wherein the MPPT control technology of the solar charging motor is not only used for reference
Large-scale ground photovoltaic plant application experience, the tracking of sound state is high-efficient, and can also pass through the first controller LAN and second
Controller LAN responds the scheduling of the battery management system.
Above-mentioned technical proposal have the following advantages that or the utility model has the advantages that
(1) on traditional charging system for electric automobile, increase flexible solar battery pack and solar charging motor, obtain
Solar electric power extends electric automobile during traveling mileage；
(2) according to the charge information of the information about power of power battery pack and ground charger, adjust automatically charge mode prolongs
The service life of long power battery pack；The introducing of solar charging motor, does not influence ground charger；
(3) normal use；
(4) solar charging motor is made of the Boost circuit of two-way crisscross parallel, then is aided with the MPPT control skill of power station grade
Art can not only reduce system bulk and improve charge efficiency, and can also enhance system shock resistance and thermal diffusivity；
(5) communication construction based on existing electric car, solar charging motor and ground in the vehicle-mounted charge management system
Face charger can be with plug and play, without the communication protocol between change battery management system, instrument and vehicle.
Detailed description of the invention
With reference to appended attached drawing, more fully to describe the embodiment of the present invention.However, appended attached drawing be merely to illustrate and
It illustrates, and is not meant to limit the scope of the invention.
Fig. 1 is vehicle-mounted charge management system architecture diagram in one embodiment of the invention；
Fig. 2 is solar charging motor pattern switching schematic diagram in one embodiment of the invention；
Fig. 3 is solar charging motor inside schematic diagram in one embodiment of the invention；
Fig. 4 is Vehicular solar charger algorithm control framework figure in one embodiment of the invention.
Specific embodiment
In order to allow the personnel for having this invention fields Conventional wisdom easily to implement this invention, referring to shown below
Attached drawing, the example of this invention is described in detail.But this invention can be implemented according to different forms, not only office
It is limited to example described herein.In order to more clearly illustrate this invention, part unrelated with explanation in drawing is omitted；And
And throughout the specification, similar drawing symbol is assigned to similar portions.
In the whole instruction of this invention, " connection " of some part and another part not only includes " directly
Connection " further includes " being electrically connected " being connected by other components.
In the whole instruction of this invention, some component is located at " top " of another component, not only includes certain
The state of one component and another component joint further includes the state that another component is additionally provided between two components.
In the whole instruction of this invention, some constituent element of some part " comprising " refers to, is not prohibiting especially
Only under the premise of equipment, it is not other constituent elements of exclusion, but can also includes other constituent elements.
The terms of degree " about " that is used in the whole instruction of this invention, " substantial " etc., if prompt has manufacture
And substance allowable error, mean that respective value or close to the numerical value；It is intended that preventing bad personnel that will be related to exact value
Or the disclosure of absolute figure is used for improper purposes.The terms of degree used in the whole instruction of this invention "~(in
) stage " or "~stage ", be not " in order to~stage ".
' component ' in this specification refers to, the unit (unit) that is made of hardware, by the unit of software sharing, by software
The unit constituted with hardware.
In addition, a unit can be made of more than two hardware or more than two units are made of a hardware.
In this specification, the operation or function implemented by terminal, device or equipment, it is therein it is a part of it is available with corresponding terminal,
The server generation that device or equipment are connected is for implementation.Equally, pass through the operation of server implementation or function, a part therein
It can use the terminal being connected with the server, device or equipment to replace implementing.Next, referring to attached drawing, to this invention
Example is described in detail.
Structure shown in Figure 1, the present invention provide a kind of vehicle-mounted charge management system, are mainly used for solar energy and power grid is
This bulk charging of electric car, the vehicle-mounted charge management system include electric car ontology 5, flexible solar battery pack 1, the sun
Energy charger 2 and ground charger 9, in which:
Flexible solar battery pack 1 is installed on the electric car ontology 5, obtains solar energy, and solar energy is turned
Electric energy is turned to, as a kind of preferable embodiment, flexible solar battery pack 1 is mounted on being easier to for electric car ontology 5
The position for receiving light, for example, roof.
Solar charging motor is connect with flexible solar battery pack 1 and electric car ontology 5 respectively, is obtained and is stored
The electric energy that flexible solar battery pack 1 is converted into charges for electric car ontology 5.
In a preferred embodiment of the invention, vehicle-mounted charge management system further includes power battery pack 4 and bottom surface charging
Machine 9.
Power battery pack 4 is mounted on electric car ontology 5, i.e., connect with electric car ontology 5, which connects
It receives the electric energy of extraneous conveying and is stored, to convey electric energy for the electric car ontology 5.
Ground charger 9 is connect with power battery pack 4, with for power battery pack charging, bottom surface charger 9 is
Power battery pack 4 charge mode and it is traditional by ground charger/ground charging pile be this bulk charging of electric car
Principle and meaning without difference substantially.
On this basis, further, Vehicular solar charger 2 and the power battery pack 4 of electric car ontology 5 pass through
The communication of one communication unit.
On this basis, further, which includes a battery management system 6, battery management system
System 6 provides the parameter information of power battery pack 4, which mainly includes the capacity information of power battery pack 4, functional status
Information and health status information.
On this basis, further, solar charging motor passes through one first controller local area network CAN1
(Controller Area Network, controller local area network, abbreviation CAN) accesses in battery management system 6, at the same time,
The solar charging motor 2 obtains whether power battery pack 4 receives the ground charging by a second controller local area network
The information of machine charging.
On this basis, further, whether solar charging motor 2 according to the capacity information of power battery pack 4 and connects
It is adjusted to the charge mode that the power battery pack 4 charges by the charging of the ground charger 9, for example, when electric car 5
When the battery capacity of power battery pack 4 is lower, and detect that electric car 5 is travelling, then solar charging motor is with maximum
Power is the charging of power battery pack 4, and when the battery capacity for detecting power battery pack 4 is higher, then solar charging motor 2 is with small
The mode of electric current trickle is the charging of power battery pack 4.
It is illustrated below with a specific embodiment:
Referring to fig. 2, for solar charging motor 2 according to the capacity information and power battery pack 4 of power battery pack 4 whether just
It is charged in reception ground charger/stake 9 to adjust the charge mode that solar energy ability charger 2 charges to power battery pack 4:
It can be seen from the figure that under state 0, without electricity (illumination is weak), ground charging in flexible solar battery pack 1
Machine 9 does not charge to power battery pack 4, and the low-voltage power switch of electric car ontology 5 is closed；And in state 1, flexible solar
Battery component 1 has electric (illumination is strong), and ground charger 9 does not charge to power battery pack 4, the low-tension supply of electric car ontology 5
Switch is closed, while under state 0, BMS (battery management system, Battery Management System, battery management system
System, abbreviation BMS) it is not activated that (that is BMS is not over itself low-voltage power switch of electric car ontology 5 or ground
Charger/stake 9 activates).Therefore, when being switched to state 1 from state 0, Vehicular solar charger 2 passes through the first control general ability
Domain network C AN1 can't detect the data information that BMS is sent to 5 instrument board of electric car ontology.At this point, Vehicular solar charges
Machine 2 is only closed internal relay, exports activation signal by the V+ and V- of solar charging motor 2 and activates BMS, obtains power electric
It, could be by the power storage of flexible solar battery pack 1 to power electric after pond group 4 and the relevant information of electric car ontology 5
Pond group 4.
Under conditions of state 2, the low-voltage power switch of electric car ontology 5 is opened, at this time flexible solar battery group
Part 1 has electric (illumination is strong), and ground charger 9 does not charge to power battery pack 4, when being switched to state 2 from state 1 at this point, nothing
It is to be in driving states, the logic activation circuit of battery management system (BMS) 6 is all in parking by electric car ontology 5
It can guarantee that the BMS activation signal of the sending of solar charging motor 2 will not lock the driving logic of electric car ontology 5, i.e., electronic vapour
Solar charging motor 2 can also charge normal in the driving of vehicle ontology 5.
Under conditions of state 3, the low-voltage power switch of electric car ontology 5 is closed, at this time flexible solar battery group
Have in part 1 electric (illumination is strong), ground charger 9 charges to power battery pack 4, while electric car ontology 5 is in dead ship condition.
Electric car 5 is charged by ground charger 9 at this time, and issues BMS activation signal by charge port 7.As long as detecting ground
Face charger 9 issues BMS activation signal, and Vehicular solar charger 2 stops exporting by V+ and V- with regard to breaking inner relay
BMS activation signal.Specific detection method is: solar charging motor 2 monitors the network of second controller local area network CAN2 in real time
Signal is recognized if when listening to has information exchange between ground charger 9 and the battery management system 6 of electric car ontology 5
It has been inserted into charge port 7 for ground charger, has been started to charge, and has issued BMS activation signal.In fact, this rely on communication network
Detection method there is certain delay, it is possible to will appear the BMS activation signal and ground charger of Vehicular solar charger
Activation signal the case where existing simultaneously.An anti-recirculation diode (diode 20 in Fig. 3) is added, can guarantee above-mentioned two-way
When activation signal occurs, there is no circulation between two-way power supply, guarantees system reliability service.
In addition, when Vehicular solar charger 2 determines that the charging of ground charger 9 terminates by monitoring CAN2 network signal,
And when the capacity information of power battery pack 4 shows that the battery capacity in power battery pack is higher, solar charging motor 2 is adjusted automatically
Whole charge mode is no longer the maximum power that flexible solar battery pack 1 may issue, but for a long time to power battery pack 4
Low current trickle charge extends 4 service life of power battery pack to improve its charged state.Obviously, the capacity of power battery pack 4
When lower, the adjust automatically charge mode again of solar charging motor 2, the maximum that flexible solar battery pack 1 may be issued
Power is transferred to power battery pack 4.
Under conditions of state 4, the low-voltage power switch of electric car ontology 5 is opened, at this time flexible solar battery group
Part 1 has electric (illumination is strong), and ground charger 9 charges to power battery pack 4, and the low-tension supply of electric car 5 is opened, electric car
5 ought to can drive a vehicle operation.But BMS activation logic circuit 8 detects the BMS activation signal of ground charger 9, determines electricity
Electrical automobile 5 is charged by ground charger, in order to guarantee safety, locks the driving logic of electric car 5, i.e. ground is charged
When machine 9 charges, electric car 5 cannot drive a vehicle.
In state 5 and state 6, when flexible solar battery pack 1 is out of power, the logic activation of battery management system 6
When circuit can guarantee that ground charger 9 charges, electric car 5 cannot drive a vehicle.
Structure shown in Figure 3, as a preferred embodiment of the invention, the core component of solar recharging system is vehicle-mounted
Solar charging motor 2 includes by input side fuse 10, storage capacitor 11,1 circuit 12 Boost, filter capacitor 13, protecting against shock
Power diode 14, filter inductance 15, outlet side fuse 16,2 circuit 17 Boost, digital signal processor 18, voltage electricity
Conditioning circuit 19, anti-recirculation diode 20, power module 21, IGBT drive circuit 22 is flowed to form.
The solar charging motor 2 is made of the Boost circuit of two-way crisscross parallel, can not only reduce system bulk, enhancing
System shock resistance, and also ensure the good thermal diffusivity of system.Meanwhile Boost number (the i.e. road maximal power tracing MPPT
Number) increase, the open-circuit voltage on every road is reduced in Same Efficieney, system insulation requirement is reduced, guarantees system
It is safe and stable.Anti- recirculation diode 20 is to solve Vehicular solar charger and ground charger/stake while activating BMS
When the circulation problem that generates.On the basis of traditional Boost circuit, output end increases a protecting against shock power diode 14, uses
The current impact that output capacitance is generated when solving high voltage power battery pack and individually powering on；In addition, increasing in output end
One filter inductance 15, for solving the spiking problems of charging current.
As shown in Figure 4, it is preferred that the course of work of solar charging motor 2 is as follows:
It is detected by voltage and current conditioning circuit 19: flexible solar battery pack 1 voltage Upv1, Upv2, electric current Ipv1,
Ipv2；The total voltage Ubat of power battery pack 4.According to analog quantity detection and CAN1 communication as a result, in digital signal processor 18
Logical operation below upper progress: the battery capacity value of above-mentioned each analog quantity and power battery pack 4, monomer ceiling voltage and monomer
Maximum temperature is after Stateful Inspection 23, whether determining the work of charger.Monitoring process is as follows: constantly judging Upv1, Upv2
With Ubat whether over-voltage；Ipv1 and Ipv2 whether overcurrent；Whether the battery capacity value of power battery pack 4 is greater than or equal to 100%；
Whether monomer ceiling voltage and monomer maximum temperature transfinite.If any of the above judgement items are set up, Vehicular solar
The locking pulse 26 of charger 2 exports, and stops working.
Conversely, then unsealing pulse.MPPT1 in maximal power tracing calculates it with reference to electricity according to the Upv1 and Ipv1 of input
Upv1ref is pressed, the MPPT2 in maximal power tracing calculates its reference voltage Upv2ref according to the Upv2 and Ipv2 of input, then ties
The total voltage Ubat of power battery pack 4 is closed, duty ratio d1 and d2 in each comfortable duty ratio generation 25 are calculated.Calculation formula are as follows:
D1=1-Upv1ref/Ubat, d2=1-Upv2ref/Ubat.Finally, the duty ratio (modulated signal) on each road is generated in modulating wave
In 26 (the ePWM modules of MCU chip), corresponding modulated signal m1 and m2 is generated compared with triangular carrier.Modulated signal passes through
Corresponding IGBT is driven after the power amplification of IGBT drive circuit 22, is made it according to certain rule switch motion, can be tracked soft
Property solar cell module 1 maximum power, and the dynamic of electric car ontology 5 is filled with by high-tension distribution box 3 after being boosted
Power battery 4.Filter inductance 15 guarantees that the current ripples for being filled with power battery pack 4 are smaller, minimizes the damage to power battery pack 4
Wound.
In conclusion vehicle-mounted charge management system proposed by the present invention mainly includes flexible solar battery pack, the sun
It can charger, ground charger, battery management system and electric car ontology.Flexible solar battery pack obtains luminous energy and will
It is converted into electric energy, and whether solar charging motor according to the information about power of the intrinsic power battery pack of electric car and
Ground charger charging is received, adjust automatically flexible solar battery pack is the mode of described this bulk charging of electric car.Its
In, solar charging motor is made of the Boost circuit of two-way crisscross parallel, then is aided with the MPPT control technology of power station grade, not only
System bulk can be reduced and improve charge efficiency, and system shock resistance and thermal diffusivity can also be enhanced.In addition, MPPT control technology
Large-scale ground photovoltaic plant application experience is not only used for reference, the tracking of sound state is high-efficient, and can also pass through the first controller local
Net and second controller local area network respond the scheduling of the battery management system.
Mentioned-above this invention related description is only limited to some example；As long as having the affiliated technology of this invention
This invention can be changed to by the Conventional wisdom in field without changing the technical thought of this invention or necessary feature
Other forms.Therefore, mentioned-above example covers any implementation form of this invention, is not limited only to this theory
Form in bright book.Implement for example, each component for being defined as single type is dispersible；Equally, the composition for being defined as dispersion is wanted
Element can also be implemented with combining form.
The scope of this invention is not limited to above-mentioned detailed description, can cover patent claim described below；From
In the definition of patent claim, range and equivalent conception it is derived have altered or change form be included in this item hair
In bright scope.
Claims (7)
1. a kind of vehicle-mounted charge management system, which is characterized in that the vehicle-mounted management system includes:
Electric car ontology, including power battery pack store electric energy and provide electric energy for the electric car ontology；
Flexible solar battery pack is installed on the electric car ontology, obtains solar energy, and convert solar energy into electricity
Energy；
Solar charging motor is connect with the flexible solar battery pack and the power battery pack respectively, is obtained described soft
The electric energy of property solar cell module, and according to the charge information of the information about power of the power battery pack and ground charger,
Adjust automatically charge mode charges for the power battery pack；
The vehicle-mounted charge management system further includes ground charger, and the ground charger is connect with the power battery pack,
For power battery pack charging；
The solar charging motor leads to according to the capacity information of the power battery pack and the charge information of the ground charger
Cross whether the battery management system detected in the vehicle-mounted charge management system is activated to power battery pack described in adjust automatically
The charge mode of charging；
Terminate when the solar charging motor determines that the ground charger charges, and the capacity information of the power battery pack
When showing that battery capacity in the power battery pack is higher, the solar charging motor adjust automatically charge mode, to described
Power battery pack long-time low current trickle charge extends the service life of the power battery pack to improve its charged state；
The solar charging motor is made of the Boost circuit of two-way crisscross parallel, then is aided with the MPPT control technology of power station grade,
System bulk can not only be reduced and improve charge efficiency, and system shock resistance and thermal diffusivity can also be enhanced.
2. vehicle-mounted charge management system as described in claim 1, which is characterized in that the solar charging motor with it is described electronic
The power battery pack of automobile body is communicated by a communication unit.
3. vehicle-mounted charge management system as claimed in claim 2, which is characterized in that the vehicle-mounted management system further includes an electricity
Pond management system, the battery management system provide the parameter information of the power battery pack.
4. vehicle-mounted charge management system as claimed in claim 3, which is characterized in that the parameter information include capacity information,
Functional status information and health status information.
5. vehicle-mounted charge management system as claimed in claim 4, which is characterized in that the solar charging motor passes through one first
Controller local area network accesses the battery management system.
6. vehicle-mounted charge management system as claimed in claim 5, which is characterized in that the solar charging motor passes through one second
Controller local area network obtains the information whether power battery pack receives the ground charger charging.
7. vehicle-mounted charge management system as described in claim 1, which is characterized in that the MPPT of the solar charging motor is controlled
Technology can respond the scheduling of the battery management system by the first controller LAN and second controller local area network.
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| CN107911025A (en) * | 2017-11-21 | 2018-04-13 | 奇瑞汽车股份有限公司 | Voltage changer and its control method, automobile for electric automobile |
| CN108382213B (en) * | 2018-04-03 | 2023-06-23 | 无锡新振发太阳能汽车科技有限公司 | Power supply system of electric automobile |
| CN110696629A (en) * | 2019-11-01 | 2020-01-17 | 刘思奇 | Pure electric vehicle with battery replaced alternately, convenient and fast to use and free of limit of mileage |
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| JP2008172959A (en) * | 2007-01-12 | 2008-07-24 | Toyota Motor Corp | Vehicular power supply control unit |
| CN201961169U (en) * | 2011-03-04 | 2011-09-07 | 苏州益高电动车辆制造有限公司 | Electric motor car energy control system |
| CN205319778U (en) * | 2015-11-20 | 2016-06-15 | 湖北追日电气股份有限公司 | On -vehicle charge management system |
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Effective date of registration: 20221110 Address after: 441000 No. 59, Guanyu Road, Tuanshan Town, Xiangyang High tech Development Zone, Hubei Province Patentee after: Hubei Chasri New Energy Technology Co.,Ltd. Address before: 441104 No. 1, Zhuiri Road, Xiangyang Hi tech Industrial Development Zone, Xiangfan City, Hubei Province Patentee before: HUBEI SURPASS SUN ELECTRIC Co.,Ltd. |
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Address after: 441000 No. 59, Guanyu Road, Tuanshan Town, Xiangyang High tech Development Zone, Hubei Province Patentee after: Borg Warner New Energy (Xiangyang) Co.,Ltd. Address before: 441000 No. 59, Guanyu Road, Tuanshan Town, Xiangyang High tech Development Zone, Hubei Province Patentee before: Hubei Chasri New Energy Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |