CN110901423B - Vehicle and vehicle roof charging device, system and control method thereof - Google Patents
Vehicle and vehicle roof charging device, system and control method thereof Download PDFInfo
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- CN110901423B CN110901423B CN201811089551.4A CN201811089551A CN110901423B CN 110901423 B CN110901423 B CN 110901423B CN 201811089551 A CN201811089551 A CN 201811089551A CN 110901423 B CN110901423 B CN 110901423B
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The present disclosure relates to a vehicle and a vehicle roof charging apparatus, a system and a control method thereof, the vehicle roof charging apparatus including: the secondary side device (1) is connected with the vehicle storage battery (3) and is used for being inductively coupled with the primary side device (2) in the charging pile (15) to realize non-contact inductive charging; and a position adjustment mechanism for connecting the secondary device (1) to a vehicle roof and for adjusting the position of the secondary device (1) relative to the primary device (2). Through above-mentioned technical scheme, the vehicle top battery charging outfit that this disclosure provided can reduce the positioning accuracy requirement to the vehicle to reduce and avoid electric leakage risk, increase of service life even.
Description
Technical Field
The present disclosure relates to the field of vehicle charging technologies, and in particular, to a vehicle top charging device, a vehicle top charging system, a vehicle top charging control method, and a vehicle.
Background
With the development of science and technology, electric vehicles using green energy sources are increasingly popularized in the lives of people, and gradually replace traditional fuel vehicles. Charging piles are generally provided on the road surface to facilitate charging of these electric cars.
The traditional charging structure is that a power receiving device is arranged in an electric car, a power supply device is arranged in a charging pile, a power receiving terminal is arranged on the power receiving device, a power supply terminal is arranged on the power supply device, coupling between the power receiving device and the power supply device can be established through physical connection between the power receiving terminal and the power supply terminal, and then power transmission from the power supply device to the power receiving device is realized.
Therefore, the vehicle needs to be accurately positioned before charging, otherwise the above-mentioned physical connection cannot be established. However, because the height and the length of the vehicle are different, the charging environment is complex and changeable, the positioning difficulty of the vehicle is high, and the power receiving device on the vehicle and the power supply device on the charging pile are easily damaged. In addition, the power receiving terminal of the power receiving device and the power supply terminal of the power supply device are exposed outside for a long time, so that the power receiving terminal and the power supply terminal are easily corroded, the risk of serious electric leakage exists, mutual friction can be generated when the terminals are in contact, and the service life of the terminals is seriously influenced.
Disclosure of Invention
The purpose of this disclosure is to provide a vehicle and vehicle top charging equipment, system and control method thereof to reduce the positioning accuracy requirement for the vehicle and reduce or even avoid the electric leakage risk, prolong the service life.
In order to achieve the above object, a first aspect of the present disclosure provides a vehicle roof charging apparatus including:
the secondary side device is connected with the vehicle storage battery and is used for being inductively coupled with the primary side device in the charging pile to realize non-contact inductive charging; and
a position adjustment mechanism for connecting the secondary device to the roof and adjusting the position of the secondary device relative to the primary device.
Optionally, the secondary device includes a charging module and an encapsulating module for encapsulating the charging module.
Optionally, the vehicle roof charging apparatus further includes a fixing base fixed to a roof, and the position adjustment mechanism connects the secondary device and the fixing base.
Alternatively, the position adjustment mechanism can adjust at least the position of the secondary-side device in the vehicle Z direction.
Optionally, the position adjusting mechanism includes a mechanical arm and a driving device, the mechanical arm has a proximal end and a distal end which are opposite to each other, the secondary side device is disposed at the distal end, the proximal end is hinged to the fixed base through a first hinge shaft, an axis of the first hinge shaft is substantially perpendicular to a Z direction of the vehicle, and the driving device drives the mechanical arm to rotate around the first hinge shaft.
Optionally, the driving device comprises a hydraulic oil cylinder and a hydraulic motor for driving the hydraulic oil cylinder, and the hydraulic oil cylinder comprises a cylinder body connected to the fixed base and a piston rod connected to the mechanical arm.
Optionally, the position adjusting mechanism includes an angle sensor for detecting an included angle between the mechanical arm and a horizontal plane.
Optionally, the secondary device is connected with a cable for transmitting electric energy to the vehicle battery, and the cable is fixed on the mechanical arm through a clamping piece.
Optionally, the secondary side device is hinged to the distal end through a second hinge shaft, the second hinge shaft being perpendicular to the Z direction, and the vehicle top charging apparatus further includes a leveling mechanism for actuating the secondary side device to rotate around the second hinge shaft to adjust the posture of the secondary side device to be horizontal.
Optionally, the leveling mechanism includes a stepping motor for driving the secondary side device to rotate around the second hinge shaft.
Optionally, the output end of the stepping motor is provided with a driving wheel, the second hinged shaft is provided with a driven wheel, and the driving wheel is meshed with the driven wheel.
Optionally, the distal end is provided with a support frame for supporting the secondary device, and the support frame is hinged to the distal end through the second hinge shaft.
Optionally, the fixed base is removably attached to the roof by fasteners.
Through above-mentioned technical scheme, the inductive coupling between primary side device and the vice limit device is passed through to the vehicle top battery charging outfit that this disclosure first aspect provided, can realize the vehicle and fill the non-contact between the electric pile and charge, consequently, through position adjustment mechanism, can charge in can removing the regional charging of vice limit device, consequently, the vehicle top battery charging outfit that this disclosure provided adopts the mode that non-contact charges, not only can reduce the positioning accuracy requirement to the vehicle, require lowly to vehicle parking position and automobile body state, and easy operation reduces or even avoids electric leakage risk, increase of service life.
On the basis of the above technical solution, a second aspect of the present disclosure provides a vehicle roof charging system including:
a vehicle roof charging device that is the vehicle roof charging device described above;
the position detection module is used for detecting the position of the secondary side device relative to the primary side device;
the wireless communication module is used for carrying out information interaction with the primary side device so as to establish or break the inductive coupling between the secondary side device and the primary side device and start or end the power transmission between the primary side device and the secondary side device; and
and the control module is connected with the position adjusting mechanism, the position detection module and the wireless communication module, and controls the position adjusting mechanism to adjust the position of the secondary side device to an effective charging area according to the position information detected by the position detection module, so that the wireless communication module and the primary side device can perform information interaction.
Optionally, the position detection module includes a reader/writer for identifying a plurality of electronic tags in the primary device, the reader/writer reads information recorded in the electronic tags, decodes the information, and sends the decoded information to the control module, and the control module calculates the position of the secondary device relative to the primary device according to the decoded information.
Optionally, the reader-writer is disposed at a center of the secondary side device, the number of the electronic tags is three, and a center of a triangle formed by connecting lines between the three electronic tags is a center of the primary side device.
Optionally, the vehicle roof charging system further comprises a charge button for starting or ending charging.
By the technical scheme, the vehicle top charging system provided by the second aspect of the disclosure comprises the vehicle top charging equipment provided by the first aspect of the disclosure, so that non-contact charging between a vehicle and a charging pile can be realized through inductive coupling between a primary side device and a secondary side device; and can learn the real-time position of vice limit device through position detection module to can control position adjustment mechanism according to this position signal control module and remove vice limit device and charge in charging the region, consequently, the vehicle top charging system that this disclosure provided adopts the mode that non-contact charges, not only can reduce the positioning accuracy requirement to the vehicle, requires lowly to vehicle parking position and automobile body state, easy operation, reduces or even avoids electric leakage risk, increase of service life moreover.
On the basis of the technical scheme, the vehicle comprises the vehicle top charging device or the vehicle top charging system.
On the basis of the above technical solution, a third aspect of the present disclosure provides a control method for vehicle top charging, using the above vehicle top charging system, the control method for vehicle top charging including:
detecting the position of the secondary side device relative to the primary side device through the position detection module and sending the position information to the control module;
the control module controls the position adjusting mechanism to move the secondary side device at the idle position towards the effective charging area according to the position information;
the wireless communication module carries out information interaction with the primary side device, establishes inductive coupling between the secondary side device and the primary side device, starts power transmission between the primary side device and the secondary side device when the position of the secondary side device reaches a preset charging position in the charging area, and returns to the step of detecting the position of the secondary side device relative to the primary side device through the position detection module and sending the position information to the control module if the position of the secondary side device reaches the preset charging position in the charging area;
when charging is completed or interrupted, the control module controls the position adjusting mechanism to move the secondary side device located at the preset charging position to the idle position.
Optionally, when the secondary device is in the preset charging position, a distance between the secondary device and the primary device along a vertical direction is greater than 10cm and less than or equal to 20 cm.
By the technical scheme, the control method for charging the top of the vehicle provided by the third aspect of the disclosure comprises the charging system for the top of the vehicle provided by the second aspect of the disclosure, so that non-contact charging between the vehicle and the charging pile can be realized through inductive coupling between the primary side device and the secondary side device; the position detection module can acquire the real-time position of the secondary side device, and the position control module can control the position adjusting mechanism to move the secondary side device to the charging area for charging according to the position signal, so that the control method for charging the top of the vehicle provided by the disclosure adopts a non-contact charging mode, the requirement on the positioning precision of the vehicle can be reduced, the requirement on the parking position and the vehicle body state of the vehicle is low, the operation is simple, the electric leakage risk is reduced or even avoided, and the service life is prolonged.
In addition, a fourth aspect of the present disclosure provides another control method of vehicle top charging, using the vehicle top charging system described above, the control method of vehicle top charging including:
controlling the position adjusting mechanism to move the secondary side device to a preset position relative to the vehicle through the control module;
detecting the position of the secondary side device located at the preset position relative to the primary side device through the position detection module;
when the wireless communication module performs information interaction with the primary side device and establishes inductive coupling between the secondary side device and the primary side device, and the secondary side position is located in the charging area, starting power transmission between the primary side device and the secondary side device, otherwise, sending out a warning;
when charging is completed or interrupted, the control module controls the position adjusting mechanism to move the secondary side device located at the preset charging position to the idle position.
Optionally, the effective charging area is defined in such a way:
the overlapping degree between the secondary side device and the primary side device is more than 70%, and the distance between the secondary side device and the primary side device along the vertical direction is less than or equal to 100 cm.
By the technical scheme, the control method for charging the top of the vehicle provided by the fourth aspect of the disclosure comprises the charging system for the top of the vehicle provided by the second aspect of the disclosure, so that non-contact charging between the vehicle and the charging pile can be realized through inductive coupling between the primary side device and the secondary side device; the position detection module can acquire the real-time position of the secondary side device, and the position control module can control the position adjusting mechanism to move the secondary side device to the charging area for charging according to the position signal, so that the control method for charging the top of the vehicle provided by the disclosure adopts a non-contact charging mode, the requirement on the positioning precision of the vehicle can be reduced, the requirement on the parking position and the vehicle body state of the vehicle is low, the operation is simple, the electric leakage risk is reduced or even avoided, and the service life is prolonged.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic perspective view of a vehicle roof charging apparatus according to an embodiment of the disclosure;
fig. 2 is another schematic perspective view of a vehicle roof charging apparatus according to an embodiment of the disclosure;
fig. 3 is another schematic perspective view of a vehicle roof charging apparatus according to an embodiment of the disclosure, in which an angle sensor is shown;
fig. 4 is a schematic structural diagram of a secondary side device in a vehicle roof charging apparatus according to an embodiment of the disclosure;
fig. 5 is a schematic structural diagram of a primary side device in a vehicle roof charging apparatus according to an embodiment of the disclosure;
fig. 6 is a schematic diagram of a secondary side device in a vehicle roof charging apparatus according to an embodiment of the disclosure in a rest position;
fig. 7 is a schematic diagram of a secondary side device in a vehicle roof charging apparatus according to an embodiment of the disclosure in a raised state;
fig. 8 is a schematic diagram illustrating a secondary side device and a primary side device of a vehicle roof charging apparatus according to an embodiment of the disclosure in a coupled state;
FIG. 9 is a block diagram of a vehicle overhead charging system according to an embodiment of the present disclosure;
FIG. 10 is a charging flow chart of the top charging device according to the embodiment of the disclosure
Fig. 11 is a charging flow chart of a top charging device according to another embodiment of the disclosure.
Description of the reference numerals
1-secondary side unit, 2-primary side unit, 21-electronic tag, 3-vehicle battery, 4-fixed base, 41-first hinge shaft, 42-fastener, 51-mechanical arm, 511-proximal end, 512-distal end, 52-hydraulic cylinder, 521-cylinder, 522-piston rod, 53-hydraulic motor, 54-second hinge shaft, 541-driven wheel, 55-support frame, 6-angle sensor, 7-cable, 71-clamp, 81-stepping motor, 811-driving wheel, 9-reader/writer, 10-wireless communication module, 11-control module, 12-charging button, 13-BMS, 14-power distribution module, 15-charging pile, 151-wireless communication module, 152-power supply bracket.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, the use of the terms first, second, etc. in the absence of a contrary explanation is intended to distinguish one element from another, and is not intended to be sequential or important. The words used above are words of description and illustration of the disclosure, rather than words of limitation.
According to a specific embodiment of a first aspect of the present disclosure, there is provided a vehicle roof charging apparatus including:
the secondary side device 1 is connected with the vehicle storage battery 3 and used for being inductively coupled with the primary side device 2 in the charging pile 15 to realize non-contact inductive charging; and
a position adjustment mechanism for connecting the secondary device 1 to the roof and capable of adjusting the position of the secondary device 1 relative to the primary device 2.
Through the technical scheme, the vehicle top charging equipment provided by the first aspect of the disclosure can realize non-contact charging between a vehicle and a charging pile 15 through inductive coupling between the primary side device 2 and the secondary side device 1, and therefore, the secondary side device 1 can be moved to a charging area to be charged through the position adjusting mechanism, and therefore, the vehicle top charging equipment provided by the disclosure adopts a non-contact charging mode, so that the requirement on the positioning precision of the vehicle can be reduced, the requirement on the parking position and the vehicle body state of the vehicle is low, the operation is simple, the electric leakage risk is reduced or even avoided, and the service life is prolonged.
In the specific embodiment provided by the present disclosure, the vehicle roof charging apparatus further includes a fixing base 4, the fixing base 4 is fixed on the roof, and the position adjusting mechanism connects the secondary side device 1 and the fixing base 4.
Wherein the stationary base 4 is detachably connected to the roof by means of fasteners 42.
In the specific embodiment provided by the present disclosure, the secondary device 1 includes a charging module and a packaging module for packaging the charging module. The charging module is packaged by the packaging module, the packaging module can be packaged by the charging module by adopting insulating materials such as ceramics, the high-voltage device has no external leakage, the corrosion of the external environment to the high-voltage device is effectively isolated, the leakage risk is reduced or even avoided, and the insulation reliability is high. Meanwhile, hardware contact is not needed between the primary side device 2 and the secondary side device 1, no contact abrasion exists between devices, after the lifting height of the secondary side device 1 is adjusted, the phenomenon that the primary side device 2 is damaged by the secondary side device 1 cannot occur, and the service life of charging equipment at the top of the vehicle is effectively prolonged.
In the embodiment provided by the present disclosure, the position adjustment mechanism is capable of adjusting at least the position of the secondary-side device 1 in the vehicle Z direction. Alternatively, the position adjustment mechanism may independently adjust the position of the secondary device 1 in the three directions of the vehicle X, Y, Z, and may also adjust the position of the secondary device 1 in the direction of the vehicle X, Z or Y, Z, which is not limited herein. Wherein, the X direction refers to the length direction of the vehicle, the Y direction refers to the width direction of the vehicle, and the Z direction refers to the height direction of the vehicle.
In the specific embodiment provided by the present disclosure, referring to fig. 1 and fig. 2, the position adjustment mechanism includes a mechanical arm 51 and a driving device, the mechanical arm 51 has a proximal end 511 and a distal end 512 opposite to each other, the secondary device 1 is disposed at the distal end 512, the proximal end 511 is hinged to the fixed base 4 through a first hinge shaft 41, an axis of the first hinge shaft 41 is substantially perpendicular to a Z direction of the vehicle, the driving device drives the mechanical arm 51 to rotate around the first hinge shaft 41, the mechanical arm 51 forms an angle with a horizontal plane, and the mechanical arm 51 drives the secondary device 1 to ascend to a certain height and then inductively couples with the primary device 2 to implement charging.
Wherein the robot arm 51 may be configured as a telescopic robot arm. Alternatively, the robotic arm 51 may be sleeved with each other by a plurality of truss-like arm joints, and a telescopic cylinder is used to achieve the telescopic extension of the robotic arm 51. In addition, the mechanical arm 51 may be retractable in a folding manner.
In the embodiment provided in the present disclosure, referring to fig. 1, the driving means includes a hydraulic cylinder 52 and a hydraulic motor 53 for driving the hydraulic cylinder 52, and the hydraulic cylinder 52 includes a cylinder 521 connected to the fixed base 4 and a piston rod 522 connected to the robot arm 51. One end of the piston rod 522 is connected to the robot arm 51, and the other end of the piston rod 522 is disposed in the hydraulic cylinder 52. As shown in fig. 6 to 8, by pressing the fluid into the hydraulic cylinder 52 by means of the hydraulic motor 53, the piston rod 522 of the hydraulic cylinder 52 is extended, causing the mechanical arm 51 to rotate about the first articulation axis 41 to the rest position, as shown in particular in fig. 6; the hydraulic motor 53 draws the liquid in the hydraulic cylinder 52, the piston rod 522 in the hydraulic cylinder 52 retracts, the mechanical arm 51 is pulled to ascend (refer to fig. 7), and the mechanical arm 51 supports the secondary device 1 to ascend to a preset charging position, refer to fig. 8.
In the specific embodiment provided by the present disclosure, referring to fig. 3, the position adjustment mechanism includes an angle sensor 6 for detecting an angle between the robot arm 51 and a horizontal plane. Wherein, the angle sensor 6 is arranged in the first hinge shaft 41, and detects the included angle between the mechanical arm 51 and the horizontal plane in real time.
In order to transmit the electric power transmitted from the primary side device 2 to the secondary side device 1 to the vehicle, a cable 7 for transmitting the electric power to the vehicle battery 3 is connected to the secondary side device 1, and the cable 7 is fixed to the robot arm 51 by a clamp 71.
Referring to fig. 9, the primary side device 2 is fixed to the power supply bracket 152 of the charging pile 15, and when the secondary side device 1 rises to a predetermined charging position and starts charging, the primary side device 2 transmits electric power to the distribution module 14 by power transmission with the secondary side device 1, and distributes high-voltage power to high-voltage components in the vehicle, such as the vehicle battery 3, by the distribution module 14.
In the embodiment provided by the present disclosure, the secondary side device 1 is hinged to the distal end 512 by a second hinge axis 54, the second hinge axis 54 is perpendicular to the Z direction, in order to avoid the secondary side device 1 from crashing the primary side device 1, the vehicle top charging apparatus further comprises a leveling mechanism connected to a control module 11, which will be described later, for actuating the secondary side device 1 to rotate around the second hinge axis 54 to adjust the posture of the secondary side device 1 to be horizontal. The leveling mechanism further comprises a stepping motor 81 for driving the secondary side device 1 to rotate around the second hinge shaft 54, and the stepping motor 81 and the angle sensor 6 are used in combination to accurately control the state of the secondary side device 1, so that the secondary side device 1 is always in a horizontal state.
In the embodiment provided by the present disclosure, referring to fig. 2, the output end of the stepping motor 81 is provided with a driving wheel 811, the second hinge shaft 54 is provided with a driven wheel 541, and the driving wheel 811 and the driven wheel 541 are engaged with each other. When the mechanical arm 51 starts to ascend, the angle sensor 6 starts to detect and read the angle M between the mechanical arm 51 and the horizontal plane, and the control module 11 controls the transmission angle M of the stepping motor 81 to be M × N/N, so that the secondary device 1 is always kept in a horizontal state. Where N is the number of teeth of the driven wheel 541 and N is the number of teeth of the driving wheel 811.
In the embodiment provided by the present disclosure, the distal end 512 is provided with a support frame 55 for supporting the secondary device 1, the support frame 55 is hinged to the distal end 512 through a second hinge shaft 54, the secondary device 1 is connected to the support frame 55 through welding, bolts or screws, and the secondary device 1 rotates around the second hinge shaft 54 through the support frame 55.
According to a specific embodiment of a second aspect of the present disclosure, there is provided a vehicle roof charging system including:
a vehicle roof charging device that is the above vehicle roof charging device;
the position detection module is used for detecting the position of the secondary side device 1 relative to the primary side device 2;
the wireless communication module 10 is used for performing information interaction with the primary side device 2 so as to establish or break the inductive coupling between the secondary side device 1 and the primary side device 2 and start or end power transmission between the primary side device 2 and the secondary side device 1; and
and the control module 11 is connected with the position adjusting mechanism, the position detecting module and the wireless communication module 10, and controls the position adjusting mechanism to adjust the position of the secondary side device 1 to the effective charging area according to the position information detected by the position detecting module, so that the wireless communication module 10 and the primary side device 2 can perform the information interaction.
Through the technical scheme, the vehicle top charging system provided by the second aspect of the disclosure comprises the vehicle top charging equipment provided by the first aspect of the disclosure, so that non-contact charging between a vehicle and the charging pile 15 can be realized through inductive coupling between the primary side device 2 and the secondary side device 1; and can learn the real-time position of vice limit device 1 through position detection module to can control position adjustment mechanism according to this position signal control module 11 and remove vice limit device 1 to charging in the region and charge, consequently, the vehicle top charging system that this disclosure provided adopts the mode of non-contact charging, not only can reduce the positioning accuracy requirement to the vehicle, and it is low to vehicle parking position and automobile body state requirement, easy operation, reduces moreover and avoids electric leakage risk, increase of service life.
In the embodiment provided by the second aspect of the present disclosure, the position detection module includes a reader/writer 9, the reader/writer 9 is configured to identify a plurality of electronic tags 21 in the primary side device 2, the reader/writer 9 reads information recorded in the electronic tags 21, decodes the information and sends the information to the control module 11, and the control module 11 calculates the position of the secondary side device 1 relative to the primary side device 2 according to the decoded information.
After charging is started, the reader-writer 9 is powered, the secondary side device 1 generates a magnetic field, the electronic tag 21 on the primary side device 1 enters the magnetic field, signals sent by the reader-writer 9 are received, information stored on the electronic tag 21 is sent to the reader-writer 9 through energy obtained by induced current, the reader-writer 9 reads the information and decodes the information, the information is sent to the control module 11, and the control module 11 calculates the distance between the central hole of the secondary side device 1 and the electronic tag 21 by using a trilateration method. The inductive coupling is established during the approach of the secondary unit 1 to the primary unit 2.
The reader-writer 9 is arranged at the center of the secondary side device 1, the number of the electronic tags 21 is three, and the center of a triangle formed by connecting lines among the three electronic tags 21 is the center of the primary side device 2. Alternatively, a plurality of, but not limited to, 3 electronic tags 21 may be disposed on the primary side device 2, and the center of a polygon formed by connecting lines among the plurality of electronic tags 21 is the center position of the primary side device 2.
In the embodiment provided in the second aspect of the present disclosure, the vehicle roof charging system further includes a charge button 12 for one-touch on or off of charging, wherein the charge button 12 is connected to a BMS (battery management system) 13. When the charging button 12 is pressed down by one key, the vehicle sends a charging instruction to the wireless communication module 151 in the charging pile 15 through the wireless communication module 10, and power transmission between the primary side device 2 and the secondary side device 1 is started; after the charge button 12 is pressed again, the power transmission between the primary side device 2 and the secondary side device 1 is ended.
On the basis of the above scheme, the present disclosure further provides a vehicle including the vehicle roof charging device provided by the first aspect of the present disclosure or the vehicle roof charging system provided by the second aspect of the present disclosure.
According to a third aspect of the present disclosure, there is provided a control method of vehicle top charging using the vehicle top charging system provided in the second aspect of the present disclosure, referring to fig. 10, the control method of vehicle top charging including:
in step S1, the position of the secondary device 1 relative to the primary device 2 is detected by the position detection module and the position information is sent to the control module 11. In step S1, after the charging is started, the reader/writer 9 is powered, the secondary device 1 generates a magnetic field, the electronic tag 21 on the primary device 1 enters the magnetic field generated by the secondary device 1, receives a signal transmitted by the reader/writer 9, transmits information stored in the electronic tag 21 to the reader/writer 9 by energy obtained by inducing current, the reader/writer 9 reads and decodes the information, and transmits the information to the control module 11, and the control module 11 calculates the distance from the center hole of the secondary device 1 to the electronic tag 21 by using a trilateration method.
In step S2, the control module 11 controls the position adjustment mechanism to move the secondary-side device 1 in the idle position toward the effective charging area based on the position information. In step S2, if the vehicle roof charging apparatus in the embodiment shown in fig. 1 to 8 is used, when the arm 51 starts to ascend, the angle sensor 6 starts to detect and read the angle M between the arm 51 and the horizontal plane, and the control module 11 controls the transmission angle M of the stepping motor 81 to be M N/N, so that the secondary device 1 is always kept horizontal. Where N is the number of teeth of the driven wheel 541 and N is the number of teeth of the driving wheel 811.
In step S3, the wireless communication module 10 performs information interaction with the primary side device 2, establishes inductive coupling between the secondary side device 1 and the primary side device 2, and determines whether the position of the secondary side device 1 reaches a preset charging position in the charging area, if so, performs step S4; if not, return is made to step S1.
In step S4, power transfer between the primary side device 2 and the secondary side device 1 is started.
Through the technical scheme, the control method for charging the top of the vehicle provided by the third aspect of the disclosure comprises the charging system for the top of the vehicle provided by the second aspect of the disclosure, so that the non-contact charging between the vehicle and the charging pile 15 can be realized through the inductive coupling between the primary side device 2 and the secondary side device 1; the position detection module can acquire the real-time position of the secondary side device 1, and the position control module 11 can control the position adjusting mechanism to move the secondary side device 1 to the charging area for charging according to the position signal, so that the control method for charging the top of the vehicle provided by the disclosure adopts a non-contact charging mode, the requirement on the positioning precision of the vehicle can be reduced, the requirement on the parking position and the vehicle body state of the vehicle is low, the operation is simple, the electric leakage risk is reduced or even avoided, and the service life is prolonged.
In the embodiment provided in the third aspect of the present disclosure, when charging is completed or interrupted, the control module 11 controls the position adjustment mechanism to move the secondary-side device 1 located at the preset charging position to the idle position.
When the secondary side device 1 is at the preset charging position, the distance between the secondary side device 1 and the primary side device 2 along the vertical direction is more than 10cm and less than or equal to 20 cm. When the secondary device 1 is located at the preset charging position, the power transmission efficiency between the primary device 2 and the secondary device 1 is optimal, and the secondary device 1 does not collide with the primary device 2 when rising to the preset charging position.
According to a fourth aspect of the present disclosure, there is provided a control method of vehicle top charging, which is different from the third aspect of the present disclosure, using the vehicle top charging system provided in the second aspect of the present disclosure, and referring to fig. 11, the control method of vehicle top charging includes:
in step S1, the position adjustment mechanism is controlled by the control module 11 to move the secondary device 1 to a preset position relative to the vehicle. In step S1, if the vehicle roof charging apparatus in the embodiment shown in fig. 1 to 8 is used, when the arm 51 starts to ascend, the angle sensor 6 starts to detect and read the angle M between the arm 51 and the horizontal plane, and the control module 11 controls the transmission angle M of the stepping motor 81 to be M N/N, so that the secondary device 1 is always kept horizontal. Where N is the number of teeth of the driven wheel 541 and N is the number of teeth of the driving wheel 811.
In step S2, the position of the secondary device 1 located at the preset position relative to the primary device 2 is detected by the position detection module. In step S2, after charging is started, the reader/writer 9 is powered on, the secondary device 1 generates a magnetic field, the electronic tag 21 on the primary device 1 enters the magnetic field generated by the secondary device 1, receives a signal sent by the reader/writer 9, sends information stored in the electronic tag 21 to the reader/writer 9 by energy obtained by inducing current, the reader/writer 9 reads and decodes the information, and sends the information to the control module 11, and the control module 11 calculates the distance from the center hole of the secondary device 1 to the electronic tag 21 by using a trilateration method.
In step S3, when the wireless communication module 10 performs information interaction with the primary side device 2 and establishes inductive coupling between the secondary side device 1 and the primary side device 2, and determines whether the secondary side position 1 is located in the charging area, if so, the next step S4 is performed; if not, step S5 is performed.
In step S4, power transfer between the primary side device 2 and the secondary side device 1 is started.
In step S5, a secondary-side device 1 deviation from the charging area warning is issued.
By the technical scheme, the control method for charging the top of the vehicle provided by the fourth aspect of the disclosure comprises the charging system for the top of the vehicle provided by the second aspect of the disclosure, so that the non-contact charging between the vehicle and the charging pile 15 can be realized through the inductive coupling between the primary side device 2 and the secondary side device 1; the position detection module can acquire the real-time position of the secondary side device 1, and the position control module 11 can control the position adjusting mechanism to move the secondary side device 1 to the charging area for charging according to the position signal, so that the control method for charging the top of the vehicle provided by the disclosure adopts a non-contact charging mode, the requirement on the positioning precision of the vehicle can be reduced, the requirement on the parking position and the vehicle body state of the vehicle is low, the operation is simple, the electric leakage risk is reduced or even avoided, and the service life is prolonged.
In the embodiment provided in the fourth aspect of the present disclosure, when the charging is completed or interrupted, the control module 11 controls the position adjusting mechanism to move the secondary device 1 located at the preset charging position to the idle position.
In particular embodiments provided in the third and fourth aspects of the present disclosure, the effective charging area may be defined in such a way:
the degree of overlap between the secondary unit 1 and the primary unit 2 is greater than 70%, and the distance in the vertical direction between the secondary unit 1 and the primary unit 2 is less than or equal to 100 cm.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (20)
1. A vehicle roof charging apparatus, characterized by comprising:
the secondary side device (1) is connected with the vehicle storage battery (3) and is used for being inductively coupled with the primary side device (2) in the charging pile (15) to realize non-contact inductive charging; and
a position adjustment mechanism for connecting the secondary device (1) to a vehicle roof and for adjusting the position of the secondary device (1) relative to the primary device (2), the position adjustment mechanism is capable of adjusting at least the position of the secondary device (1) in the Z direction of the vehicle, the position adjustment mechanism comprises a mechanical arm (51) and a driving device, the mechanical arm (51) is provided with a proximal end (511) and a distal end (512) which are opposite, the secondary device (1) is arranged at the far end (512), the secondary device (1) is hinged at the far end (512) through a second hinge shaft (54), the second hinge axis (54) being perpendicular to the Z direction, the vehicle roof charging apparatus further comprising a leveling mechanism, the leveling mechanism is used for actuating the secondary side device (1) to rotate around the second hinge shaft (54) so as to adjust the posture of the secondary side device (1) to be horizontal.
2. The vehicle roof charging arrangement according to claim 1, characterized in that the secondary side device (1) comprises a charging module and an encapsulation module for encapsulating the charging module.
3. The vehicle roof charging apparatus according to claim 1, further comprising a fixing base (4), wherein the fixing base (4) is fixed to the roof, and wherein the position adjustment mechanism connects the secondary side device (1) and the fixing base (4).
4. Vehicle roof charging device according to claim 3, characterized in that said proximal end (511) is hinged to said fixed base (4) by means of a first hinge axis (41), the axis of said first hinge axis (41) being substantially perpendicular to the Z direction of said vehicle, said drive means driving said mechanical arm (51) in rotation about said first hinge axis (41).
5. The vehicle roof charging apparatus according to claim 4, characterized in that the driving means comprises a hydraulic cylinder (52) and a hydraulic motor (53) for driving the hydraulic cylinder (52), the hydraulic cylinder (52) comprising a cylinder (521) connected to the fixed base (4) and a piston rod (522) connected to the robot arm (51).
6. The vehicle roof charging apparatus according to claim 4, wherein the position adjusting mechanism comprises an angle sensor (6) for detecting an angle between the robot arm (51) and a horizontal plane.
7. The vehicle roof charging apparatus according to claim 4, characterized in that a cable (7) for transmitting electric energy to the vehicle battery (3) is connected to the secondary side device (1), the cable (7) being fixed to the robot arm (51) by a clamp (71).
8. Vehicle roof charging installation according to claim 4, characterized in that the levelling mechanism comprises a stepping motor (81) for driving the secondary side device (1) in rotation about the second hinge axis (54).
9. Vehicle roof charging apparatus according to claim 8, characterized in that the output of the stepping motor (81) is provided with a driving wheel (811), the second hinge shaft (54) is provided with a driven wheel (541), and the driving wheel (811) and the driven wheel (541) are intermeshed.
10. The vehicle roof charging apparatus according to claim 4, characterized in that the distal end (512) is provided with a support bracket (55) for supporting the secondary edge device (1), the support bracket (55) being hinged to the distal end (512) by the second hinge shaft (54).
11. Vehicle roof charging apparatus according to claim 3, characterized in that the fixed base (4) is detachably connected to the roof by means of fasteners (42).
12. A vehicle roof charging system, comprising:
a vehicle roof charging apparatus according to any one of claims 1 to 11;
the position detection module is used for detecting the position of the secondary side device (1) relative to the primary side device (2);
the wireless communication module (10) is used for carrying out information interaction with the primary side device (2) so as to establish or break the inductive coupling between the secondary side device (1) and the primary side device (2) and start or end the power transmission between the primary side device (2) and the secondary side device (1); and
and the control module (11) is connected with the position adjusting mechanism, the position detecting module and the wireless communication module (10), and controls the position adjusting mechanism to adjust the position of the secondary side device (1) to an effective charging area according to the position information detected by the position detecting module, so that the wireless communication module (10) and the primary side device (2) can perform information interaction.
13. The vehicle roof charging system according to claim 12, characterized in that the position detection module comprises a reader/writer (9), the reader/writer (9) is configured to identify a plurality of electronic tags (21) in the primary side device (2), the reader/writer (9) reads information recorded in the electronic tags (21), decodes the information and sends the information to the control module (11), and the control module (11) calculates the position of the secondary side device (1) relative to the primary side device (2) according to the decoded information.
14. The vehicle roof charging system according to claim 13, wherein the reader/writer (9) is provided at a center position of the secondary side device (1), the number of the electronic tags (21) is three, and a center of a triangle formed by connecting lines between the three electronic tags (21) is a center position of the primary side device (2).
15. The vehicle roof charging system according to claim 12, further comprising a charge button (12) for turning on or off charging.
16. A vehicle, characterized in that the vehicle comprises the vehicle roof charging apparatus of any one of claims 1 to 11 or the vehicle roof charging system of any one of claims 12 to 15.
17. A control method of vehicle top charging, characterized in that, using the vehicle top charging system of any one of claims 12 to 15, the control method of vehicle top charging comprises:
detecting the position of the secondary side device (1) relative to the primary side device (2) through the position detection module and sending the position information to the control module (11);
the control module (11) controls the position adjusting mechanism to move the secondary side device (1) in the idle position towards the effective charging area according to the position information;
the wireless communication module (10) performs information interaction with the primary side device (2), establishes inductive coupling between the secondary side device (1) and the primary side device (2), starts power transmission between the primary side device (2) and the secondary side device (1) when the position of the secondary side device (1) reaches a preset charging position in the charging area, and returns to the step of detecting the position of the secondary side device (1) relative to the primary side device (2) through the position detection module and sending the position information to the control module (11) if the position of the secondary side device (1) reaches the preset charging position in the charging area;
when charging is completed or interrupted, the control module (11) controls the position adjusting mechanism to move the secondary device (1) located at the preset charging position to the idle position.
18. The control method for charging on top of a vehicle according to claim 17, characterized in that the distance in the vertical direction between the secondary side device (1) and the primary side device (2) when in the preset charging position is greater than 10cm and less than or equal to 20 cm.
19. A control method of vehicle top charging, characterized in that, using the vehicle top charging system of any one of claims 12 to 15, the control method of vehicle top charging comprises:
controlling the position adjusting mechanism to move the secondary side device (1) to a preset position relative to the vehicle through the control module (11);
detecting the position of the secondary side device (1) which is positioned at the preset position relative to the primary side device (2) through the position detection module;
when the wireless communication module (10) performs information interaction with the primary side device (2) and establishes inductive coupling between the secondary side device (1) and the primary side device (2), and the secondary side device (1) is located in the charging area, starting power transmission between the primary side device (2) and the secondary side device (1), otherwise, sending out a warning;
when charging is completed or interrupted, the control module (11) controls the position adjusting mechanism to move the secondary side device (1) located at a preset charging position to an idle position.
20. The control method for vehicle roof charging according to any one of claims 17 to 19, characterized in that the effective charging area is defined in such a manner that:
the degree of overlap between the secondary device (1) and the primary device (2) is greater than 70%, and the distance between the secondary device (1) and the primary device (2) in the vertical direction is less than or equal to 100 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089551.4A CN110901423B (en) | 2018-09-18 | 2018-09-18 | Vehicle and vehicle roof charging device, system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811089551.4A CN110901423B (en) | 2018-09-18 | 2018-09-18 | Vehicle and vehicle roof charging device, system and control method thereof |
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| CN110901423A CN110901423A (en) | 2020-03-24 |
| CN110901423B true CN110901423B (en) | 2022-08-05 |
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| DE102016223051A1 (en) * | 2016-11-22 | 2018-05-24 | Schunk Bahn- Und Industrietechnik Gmbh | Positioning unit and method of contacting |
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| CN207772929U (en) * | 2017-12-29 | 2018-08-28 | 长城汽车股份有限公司 | The charging unit of vehicle |
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| CN105896695A (en) * | 2016-05-25 | 2016-08-24 | 上海众联能创新能源科技股份有限公司 | Suspension type wireless charging system of electric bus platform |
| DE102016223051A1 (en) * | 2016-11-22 | 2018-05-24 | Schunk Bahn- Und Industrietechnik Gmbh | Positioning unit and method of contacting |
| CN207772929U (en) * | 2017-12-29 | 2018-08-28 | 长城汽车股份有限公司 | The charging unit of vehicle |
| CN108248436A (en) * | 2018-02-02 | 2018-07-06 | 上海易沐科技有限公司 | Charging pile end control device, charge control system and Vehicular charging control method |
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| CN110901423A (en) | 2020-03-24 |
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