CN205304797U - Wireless charging system - Google Patents
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- CN205304797U CN205304797U CN201521071283.5U CN201521071283U CN205304797U CN 205304797 U CN205304797 U CN 205304797U CN 201521071283 U CN201521071283 U CN 201521071283U CN 205304797 U CN205304797 U CN 205304797U
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Abstract
The utility model provides a wireless charging system, includes electric automobile and wireless charging device, electric automobile is including supporting a wireless battery pack who charges and a communication unit, wireless charging device includes battery charging unit, start control unit and the 2nd communication unit, a communication unit is suitable for the radio signal of the identity information that contains electric automobile of sending to it provides the feedback information to reach after receiving the inquire request of charging, the 2nd communication unit is suitable for and sends the inquiry request of charging after detecting the radio signal of the identity information that contains electric automobile, and receives the feedback information, the start control unit the received feedback information when confirming the information charge, control battery charging unit starts and charges the electric automobile's of within range battery pack to the entering and carry out wireless charging, a plurality of wireless charging device set up and travel the course line and/or to be close to traffic signal lamp's road regional on the way in predetermined. The utility model discloses electric automobile's duration can be promoted and the wireless automatic identification who charges of vehicle is realized.
Description
Technical field
This utility model relates to wireless charging technical field, particularly to a kind of wireless charging system.
Background technology
Wireless charging technology (Wirelesschargingtechnology), come from wireless power transmission technology, low-power wireless charges frequently with induction (the Qi mode as mobile phone is charged), high-power wireless charging is transmitted its energy to the device of electricity consumption frequently with resonant mode (major part charging electric vehicle adopts this mode) by power supply unit (charger), this device uses the energy received that battery is charged, and simultaneously for itself running. Owing to transmitting energy with magnetic field between charger and power device, not running wires between the two, therefore the device of charger and electricity consumption can be accomplished to expose without conductive junction point. The wireless charging standard of current main flow has four kinds: Qi standard, PMA (PowerMattersAlliance) standard, A4WP (AllianceforWirelessPower) standard, iNPOFi technology (" invisiblepowerfield ", i.e. " sightless energy field ").
Wireless charging technology is applied to the charging of electric automobile at present more and more. In the world, automobile vendor is Audi, BMW, benz, Volvo, Toyota etc. such as, and communication common carrier such as high pass etc. all has begun working on electric automobile wireless charging technology. Being compared to the grand occasion that external numerous manufacturers participate in, the mechanism of studies in China wireless charging technology is also few, wherein with in emerging, BYD, University Of Chongqing etc. for representative. Wherein: in emerging began to research and development wireless charging technology in 2013, within 2014, be proposed ripe concrete product and scheme; Emerging being widely known by the people in being different from, BYD it is said that just applied for the patent of non-contact induction type charger in 2005, and is equipped with WAVE wireless charging electrical pad on the pure electronic bus that 2014 sell University of Utah; Representative University Of Chongqing as scientific research institution, it is stated that began one's study in 2002 to " the high-power wireless electric energy charging transmitting device " of vehicle charging.
By the mode such as electromagnetic induction, resonant mode, the accumulator in electric automobile (comprising pure electric automobile and hybrid vehicle) is carried out wireless charging more known, but generally more simply being arranged into appointed place (wireless charging power station) carries out wireless charging in prior art, this cannot meet the requirement that electric automobile is normally continued a journey, but because travelling in way once not have electricity can not find wireless charging power station in time, just cannot continue to travel.Although can by being arranged around enough wireless charging power stations at route or travel by vehicle, so that it is guaranteed that vehicle can supplement electricity in time, but so certainly will affect the normal traveling of vehicle, it is also possible to occur once miss certain wireless charging power station (namely not sailing for this wireless charging power station to go to be charged) just enough do not arrive at the electricity in next wireless charging power station.
In addition, existing wireless charging power station cannot realize the automatic identification of vehicle to be charged, typically require by certain manual operation, such as start wireless charging device, confirm charging operations, pay the sequence of operations such as charging expense, and some are in the electric automobile in transport condition, the wireless charging of vehicle in travelling cannot be realized especially and the need of the identification charged simultaneously.
Utility model content
Problem to be solved in the utility model is that prior art is difficult to promote when not affecting normal traveling the flying power of electric automobile and realizes the automatic identification of automobile wireless charging.
For solving the problems referred to above, technical solutions of the utility model provide a kind of wireless charging system, including: electric automobile and wireless charging device; Described electric automobile includes battery component and the first communication unit of supporting wireless charging; Described wireless charging device includes charhing unit, starts control unit and second communication unit; Described first communication unit is suitable to send the wireless signal of the identity information comprising described electric automobile, and provides feedback information after receiving the charge inquiry request that described second communication unit sends; Described second communication unit is connected with described startup control unit, is suitable to send charge inquiry request after the wireless signal identity information comprising described electric automobile being detected, and receives the described feedback information that described first communication unit provides; Described startup control unit is also connected with described charhing unit, is suitable to when the described feedback information received is the information confirming charging, and the battery component controlling the described charhing unit startup electric automobile to entering in chargeable range carries out wireless charging; The quantity of described wireless charging device is more than one, and the position that described wireless charging device is arranged includes following at least one: predetermined travel course line on the way with near the road area of traffic light.
Optionally, described wireless charging device also includes the power control unit being connected with described second communication unit and charhing unit, when described power control unit is suitable to the distance between described electric automobile and described wireless charging device less than or equal to predetermined threshold, controls described charhing unit and increase the power of wireless charging.
Optionally, described startup control unit and described power control unit integrate.
Optionally, described electric automobile also includes the car-mounted terminal being connected with described battery component, is suitable to show dump energy and the charged state of described battery component.
Optionally, wireless charging system also includes the server arranging positional information that stores each wireless charging device; Described car-mounted terminal also includes being suitable to obtain the described third communication unit arranging positional information from described server.
Optionally, described car-mounted terminal also includes being suitable to the described positional information that arranges of acquisition is made the Tip element of prompting.
Optionally, the position that described wireless charging device is arranged also includes in parking lot by the determined region of one or more adjacent stalls.
Optionally, described wireless charging device is arranged at underground.
Optionally, described wireless charging device supports induction or resonance type wireless charging.
Optionally, described first communication unit and second communication unit comprise RFID chip, Bluetooth chip, Zigbee chip or cellular mobile communication chip.
Compared with prior art, the technical solution of the utility model at least has the advantage that
By wireless charging technology is combined with wireless communication technology, more than one wireless charging device is arranged at vehicle on the one hand make a reservation for travel course line on the way, by ad-hoc locations such as one or more determined regions of adjacent stalls in the road area and parking lot of traffic light, and it is equipped with wireless communication unit for each wireless charging device, also corresponding wireless communication unit is installed additional on the other hand on electric automobile, so when electric automobile during traveling is to the signal cover of the be equipped with wireless communication unit of certain wireless charging device, electric automobile just can intercom with wireless charging device to realize identification and charging confirmation mutually, so that wireless charging device is convenient during electric automobile sails its chargeable range into, exactly the electric automobile requiring supplementation with electric energy is carried out wireless charging, it is possible to promote the flying power of electric automobile when not affecting normal traveling and realize the automatic identification of automobile wireless charging.
Further, by when electric automobile approaching wireless charging device reaches to a certain degree, increase the charge power of the latter to accelerate charging rate such that it is able to be electric automobile electric energy supplement as much as possible within the limited time, to promote the flying power of electric automobile.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wireless charging system of first embodiment of this utility model;
Fig. 2 is that in this utility model, wireless charging device is arranged at predetermined traveling course line schematic diagram on the way;
Fig. 3 is the schematic diagram of the road area that wireless charging device is disposed in proximity to traffic light in this utility model;
Fig. 4 is that in this utility model, wireless charging device is arranged in parking lot by the schematic diagram in the determined region of one or more adjacent stalls;
Fig. 5 is the structural representation of the wireless charging system of second embodiment of this utility model;
Fig. 6 is the structural representation of the wireless charging system of the 3rd embodiment of this utility model.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with accompanying drawing, specific embodiment of the utility model is described in detail.
Embodiment one
The automatic identification that continuation of the journey requires and automobile wireless charges in order to meet electric automobile when not affecting normal traveling, the present embodiment provides a kind of wireless charging system. As it is shown in figure 1, described wireless charging system includes: electric automobile 10 and wireless charging device 20; Described electric automobile 10 includes battery component 101 and the first communication unit 102 of supporting wireless charging; Described wireless charging device 20 includes charhing unit 203, starts control unit 202 and second communication unit 201; Described first communication unit 102 is suitable to send the wireless signal of the identity information comprising described electric automobile 10, and provides feedback information after receiving the charge inquiry request that described second communication unit 201 sends; Described second communication unit 201 is connected with described startup control unit 202, be suitable to after the wireless signal identity information comprising described electric automobile 10 being detected, send charge inquiry request, and receive the described feedback information that described first communication unit 102 provides;Described startup control unit 202 is also connected with described charhing unit 203, be suitable to when the described feedback information received is the information confirming charging, control described charhing unit 203 and start the battery component 101 to the electric automobile entered in chargeable range and carry out wireless charging.
In order to promote electric automobile flying power in travelling way, in the present embodiment, the quantity of described wireless charging device 20 is more than one, and the position that described wireless charging device 20 is arranged can include at least one in situations below: predetermined travel course line on the way with near the road area of traffic light.
In the present embodiment, described wireless charging device 20 can be arranged at the underground of above-mentioned ad-hoc location. Specifically, it is possible to wireless charging device 20 is embedded under the predetermined road surface travelling course line road on the way, it is also possible to wireless charging device 20 is embedded under the road surface of the road area of traffic light.
During actual enforcement, described wireless charging device 20 can adopt induction wireless charging, it would however also be possible to employ the wireless charging of resonant mode. How described wireless charging device 20 specifically realizes the wireless charging to accumulator dawn known to those skilled in the art, is not described in detail herein.
During actual enforcement, in order to realize the radio communication between described first communication unit 102 and second communication unit 201, need to comprise the communication chip taking homogeneous communication mode, for instance RFID chip, Bluetooth chip, Zigbee chip, cellular mobile communication chip etc. When described first communication unit 102 and second communication unit 201 adopt the one of which chip of RFID chip, Bluetooth chip and Zigbee chip, it is possible to realize short-range communication at lower cost; When described first communication unit 102 and second communication unit 201 adopt cellular mobile communication (2G, 3G or 4G) chip, if the signal of base station disclosure satisfy that certain coverage, then the communication distance between electric automobile and wireless charging device can extend.
It should be noted that the electric automobile in the present embodiment both can be pure electric automobile, it is also possible to being hybrid vehicle (one of power therein is driven by power), the battery component that electric automobile comprises is required to support wireless charging.
Wireless charging technology is mainly combined by the wireless charging system of the present embodiment with wireless communication technology, in the specific implementation, on the one hand multiple wireless charging devices 20 are arranged on the predetermined navigation route of electric automobile and (are embedded in the end, ground), and install the first communication unit 102 additional; On the other hand, electric automobile also installs corresponding second communication unit 201 additional, and each electric automobile has unique identity information (ID).
Wireless charging device 20 is typically in standby or off-mode, when electric automobile 10 travels along the course line having been provided with wireless charging device 20, once enter the communication range being provided with the corresponding second communication unit 201 of wireless charging device 20, then electric automobile 10 can receive the inquiry message being similar to " whether being charged " that second communication unit 201 sends, user on electric automobile 10 sends the feedback information for this inquiry message by the first communication unit 102, after this feedback information is received by second communication unit 201, if identifying is " determining charging ", then start the charhing unit 203 of wireless charging device 20, the vehicle sailed is carried out wireless charging, once vehicle sails out of chargeable range, stop charging, reenter standby or off-mode.
Owing to each electric automobile has its identity (ID), so second communication unit 201 is capable of identify that the different electric automobiles sailed (can be understood as user to identify, premise is to be provided with described first communication unit on electric automobile) and charge requirement, and promote wireless charging device when to open to be charged. As long as electric automobile travels on this course line, electricity can be supplemented all the time, thus ensure that the probability of long-time continuation of the journey.
The set-up mode on the way in predetermined traveling course line is as shown in Figure 2, curve represents that predetermined row sails course line, circle A and B represents the predetermined beginning or end travelling course line respectively, then whole predetermined traveling course line can be expressed as course line AB, circle 1,2,3 ... 11,12 represent respectively and are arranged at course line AB each wireless charging device on the way, each wireless charging device may be considered one " charge point ", and " charge point " can be evenly distributed on whole course line, it is also possible to on-demand distribution. These wireless charging devices generally can be embedded under road surface, along with electric automobile continues to travel, can constantly through being located at the wireless charging device under road surface, if current electric quantity abundance can also select not to be charged, at least it is not necessarily required to carry out wireless charging in each " charge point ", suitable " charge point " can be selected to supplement electricity according to the demand of user completely. Although vehicle is relatively limited by the time ratio of each " charge point ", but at least can obtain certain electricity in time and supplement, as long as being able to ensure that the rational deployment of " charge point ", vehicle just can be made to ensure enough electric energy storages, promote flying power.
Except wireless charging device 20 is arranged on the navigation route of vehicle; it is also conceivable to be disposed at being positioned at crossing and be provided with the road area near traffic light (traffic lights); owing to electric automobile often short stay (has suffered from red light) before the crossing being provided with traffic lights, now then can make full use of this special area completely and the battery component of electric automobile is carried out electricity and supplements by this period of time of staying.
As shown in Figure 3, there is shown a crossroad, the positional representation traffic light of circle, there is shown traffic light 301a, traffic light 301b, traffic light 301c and traffic light 301d, with the road area near traffic light 301a, wireless charging device is set in order to illustrate below.
Shown in broken box 302 in road area near traffic light 301a such as Fig. 3, in broken box 302, wireless charging device is set, oblique line in broken box 302 is filled rectangle frame 303 expression and is run into red light and rest on interior electric automobile, this electric automobile is carried out wireless charging by the wireless charging device (not shown) that now completely can pass through to be arranged in broken box 302, wireless charging is carried out relative to the electric automobile in driving process, utilize this period of long period of the red lights such as vehicle, it is possible to supplement more electricity for electric automobile.
It should be noted that, Fig. 3 only illustrates for a road area near traffic light 301a, when reality is implemented, can also including multiple road area that can arrange wireless charging device near traffic light, concrete setting is relevant to real road situation.
Travelling the ad-hoc location in way except described wireless charging device is arranged at vehicle, the wireless charging device in the present embodiment can also be arranged in parking lot by the determined region of one or more adjacent stalls. In parking lot, the wireless charging device of each setting is owing to can recognize that different electric automobiles, and may identify which the wireless charging demand of each vehicle, therefore also need not identifying which vehicle by certain manual operation accurately and rapidly and need charging, which vehicle is only need to stop.
Specifically, it is possible at the bottom of the ground that described wireless charging device is embedded in parking lot by the determined region of one or more adjacent stalls.As shown in Figure 4, in figure, solid box 401a and solid box 401b represents the parking stall in parking lot, broken box 402a represents by two determined regions of adjacent stalls, dot-dash wire frame 402b represents by determined region, a parking stall, the rectangle frame 403a that positive oblique line is filled represents the electric automobile being parked in parking stall 401a, the rectangle frame 403b that backslash is filled represents the electric automobile being parked in parking stall 401b, wireless charging device (not shown) is respectively arranged at the bottom of the ground in region shown in broken box 402a and dot-dash wire frame 402b, can after identifying the electric automobile with charge requirement, it is carried out wireless charging.
It should be noted that, Fig. 4 only illustrates arranging wireless charging device in by a parking stall or two determined regions of adjacent stalls, when reality is implemented, can according to the chargeable range of the layout scenarios on parking stall in parking lot and wireless charging device, it is determined that go out the respective regions for arranging wireless charging device.
Embodiment two
On the wireless charging system basis that embodiment one provides, the wireless charging device in the wireless charging system that the present embodiment provides also has the function of charge power adaptive control.
As shown in Figure 5, in the wireless charging system of the present embodiment, the structure of electric automobile is identical with the structure of the electric automobile given by embodiment one, and the second communication unit 501 that the wireless charging device 50 in wireless charging system includes, the annexation starting control unit 502 and charhing unit 503 and respective function, corresponding with the second communication unit 201 in embodiment one, startup control unit 202 and charhing unit 203 respectively, repeat no more herein. Different is, the wireless charging device 50 of the present embodiment also includes the power control unit 504 being connected with second communication unit 501 and charhing unit 503, when described power control unit 504 is suitable to the distance between described electric automobile 10 and described wireless charging device 50 less than or equal to predetermined threshold, controls described charhing unit and increase the power of wireless charging.
Due between electric automobile 10 and described wireless charging device 50 at a distance of nearer time, electric energy transmission efficiency during wireless charging is higher, now improve the power of wireless charging, charging rate can be accelerated, it is unlikely to again to cause too much electric energy loss, therefore when electric automobile during traveling is to time in wireless charging device, by increasing the power of wireless charging device, can reach to accelerate the purpose of charging rate.
When reality is implemented, described startup control unit 502 and described power control unit 504 can integrate.
In the present embodiment, by increasing the charge power of the latter when electric automobile approaching wireless charging device to accelerate charging rate such that it is able to be electric automobile electric energy supplement as much as possible within the limited time, improve the flying power of electric automobile.
Being embodied as of the present embodiment can consult the related content in embodiment one, will not be described in great detail herein.
Embodiment three
On the wireless charging system basis that embodiment one provides, electric automobile in the wireless charging system that the present embodiment provides has the miscellaneous function of some wireless chargings, show including electricity and charged state, the positional information that arranges of each wireless charging device obtains and prompting etc.
As shown in Figure 6, in the wireless charging system of the present embodiment, the structure of wireless charging device is identical with the structure of the wireless charging device given by embodiment one, and the respective function of the first communication unit 602 that the electric automobile 60 in wireless charging system includes and battery component 601, corresponding with the first communication unit 102 in embodiment one and battery component 101 respectively, repeat no more herein.Different is, the electric automobile 60 of the wireless charging system of the present embodiment also includes the car-mounted terminal 603 being connected with the battery component 601 supporting wireless charging, car-mounted terminal 603 is suitable to show dump energy and the charged state of described battery component 601, thus enables that dump energy and the charged state of battery component 601 are monitored by user.
In the present embodiment, wireless charging system also includes the server 70 arranging positional information storing each wireless charging device, and described car-mounted terminal 60 also includes being suitable to obtaining the described third communication unit (Fig. 6 not shown) arranging positional information from described server 70. By what described car-mounted terminal 60 obtained each wireless charging device, positional information is set, just user can be made to understand whether periphery exists the distance between wireless charging device and current vehicle position and nearest wireless charging device, so that it is determined that travel route and judge whether the demand of wireless charging.
Additionally, the described positional information that arranges that described car-mounted terminal 603 also includes being suitable to obtaining makes the Tip element (in Fig. 6 not shown) of prompting.
When reality is implemented, described first communication unit 602 can also be integrated in described car-mounted terminal 603.
Although this utility model is with preferred embodiment openly as above; but it is not for limiting this utility model; any those skilled in the art are without departing from spirit and scope of the present utility model; may be by the method for the disclosure above and technology contents and technical solutions of the utility model are made possible variation and amendment; therefore; every content without departing from technical solutions of the utility model; any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, belongs to the protection domain of technical solutions of the utility model.
Claims (10)
1. a wireless charging system, it is characterised in that including: electric automobile and wireless charging device; Described electric automobile includes battery component and the first communication unit of supporting wireless charging; Described wireless charging device includes charhing unit, starts control unit and second communication unit;
Described first communication unit is suitable to send the wireless signal of the identity information comprising described electric automobile, and provides feedback information after receiving the charge inquiry request that described second communication unit sends;
Described second communication unit is connected with described startup control unit, is suitable to send charge inquiry request after the wireless signal identity information comprising described electric automobile being detected, and receives the described feedback information that described first communication unit provides;
Described startup control unit is also connected with described charhing unit, is suitable to when the described feedback information received is the information confirming charging, and the battery component controlling the described charhing unit startup electric automobile to entering in chargeable range carries out wireless charging;
The quantity of described wireless charging device is more than one, and the position that described wireless charging device is arranged includes following at least one: predetermined travel course line on the way with near the road area of traffic light.
2. wireless charging system according to claim 1, it is characterized in that, described wireless charging device also includes the power control unit being connected with described second communication unit and charhing unit, when described power control unit is suitable to the distance between described electric automobile and described wireless charging device less than or equal to predetermined threshold, controls described charhing unit and increase the power of wireless charging.
3. wireless charging system according to claim 2, it is characterised in that described startup control unit and described power control unit integrate.
4. wireless charging system according to claim 1, it is characterised in that described electric automobile also includes the car-mounted terminal being connected with described battery component, is suitable to show dump energy and the charged state of described battery component.
5. wireless charging system according to claim 4, it is characterised in that also include the server that positional information is set storing each wireless charging device; Described car-mounted terminal also includes being suitable to obtain the described third communication unit arranging positional information from described server.
6. wireless charging system according to claim 5, it is characterised in that described car-mounted terminal also includes the described positional information that arranges be suitable to obtaining and makes the Tip element of prompting.
7. wireless charging system according to claim 1, it is characterised in that the position that described wireless charging device is arranged also includes in parking lot by the determined region of one or more adjacent stalls.
8. wireless charging system according to claim 1, it is characterised in that described wireless charging device is arranged at underground.
9. wireless charging system according to claim 1, it is characterised in that described wireless charging device supports induction or resonance type wireless charging.
10. wireless charging system according to claim 1, it is characterised in that described first communication unit and second communication unit comprise RFID chip, Bluetooth chip, Zigbee chip or cellular mobile communication chip.
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| CN201521071283.5U CN205304797U (en) | 2015-12-18 | 2015-12-18 | Wireless charging system |
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| CN201521071283.5U CN205304797U (en) | 2015-12-18 | 2015-12-18 | Wireless charging system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253386A (en) * | 2016-08-17 | 2016-12-21 | 武汉大学 | The light storage formula electric automobile wireless power supply system laid for highway and open-air atmosphere |
| CN106394290A (en) * | 2016-10-26 | 2017-02-15 | 厦门新页电气有限公司 | Wireless charging system and method applied to parking lot |
| CN107662506A (en) * | 2016-07-27 | 2018-02-06 | 中兴通讯股份有限公司 | A kind of method and apparatus of intelligent monitoring wireless charging |
| CN109808540A (en) * | 2019-02-27 | 2019-05-28 | 恒大智慧充电科技有限公司 | A kind of charging method, computer equipment, storage medium and system |
| CN110901459A (en) * | 2018-09-14 | 2020-03-24 | 比亚迪股份有限公司 | Wireless charging equipment identification method and device |
| CN114423639A (en) * | 2019-07-30 | 2022-04-29 | 株式会社Lg新能源 | Charging management device, wireless charging system, server, and wireless charging service providing method |
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2015
- 2015-12-18 CN CN201521071283.5U patent/CN205304797U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662506A (en) * | 2016-07-27 | 2018-02-06 | 中兴通讯股份有限公司 | A kind of method and apparatus of intelligent monitoring wireless charging |
| CN106253386A (en) * | 2016-08-17 | 2016-12-21 | 武汉大学 | The light storage formula electric automobile wireless power supply system laid for highway and open-air atmosphere |
| CN106394290A (en) * | 2016-10-26 | 2017-02-15 | 厦门新页电气有限公司 | Wireless charging system and method applied to parking lot |
| CN110901459A (en) * | 2018-09-14 | 2020-03-24 | 比亚迪股份有限公司 | Wireless charging equipment identification method and device |
| CN110901459B (en) * | 2018-09-14 | 2021-05-14 | 比亚迪股份有限公司 | Wireless charging equipment identification method and device |
| CN109808540A (en) * | 2019-02-27 | 2019-05-28 | 恒大智慧充电科技有限公司 | A kind of charging method, computer equipment, storage medium and system |
| CN114423639A (en) * | 2019-07-30 | 2022-04-29 | 株式会社Lg新能源 | Charging management device, wireless charging system, server, and wireless charging service providing method |
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