CN206452188U - A kind of wireless charging detection device for foreign matter - Google Patents
A kind of wireless charging detection device for foreign matter Download PDFInfo
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- CN206452188U CN206452188U CN201720168877.0U CN201720168877U CN206452188U CN 206452188 U CN206452188 U CN 206452188U CN 201720168877 U CN201720168877 U CN 201720168877U CN 206452188 U CN206452188 U CN 206452188U
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Abstract
The utility model discloses a kind of wireless charging detection device for foreign matter, including：Launch drum, receive drum, light curtain emitter and light curtain reception device；Transmitting coil is provided with the transmitting drum, is placed on ground；Receiving coil is provided with the reception drum, underbody is placed in；The transmitting coil is set up communication in certain distance with receiving coil and is connected, and automatically begins to wireless power transmission；The utility model can be solved when wireless charging system for electric automobile is being charged, in the case where not disturbing charging process, whether the foreign matters such as metal or living body biological entrance is had between effective detection coil, the purpose of detection foreign matter can not only be realized, and foreign matter can be excluded in time, greatly ensure the reliability service of wireless charging.
Description
Technical field
The utility model is related to wireless charging technical field, more particularly to a kind of wireless charging detection device for foreign matter.
Background technology
The zero-emission of electric automobile (EV) and the potentiality independent of fossil fuel, have obtained generally weighing for countries in the world government
Depending on automobile drives the electronic epoch into.Except government subsidy and support energetically, related automobile production producer also begins to focus on one after another
The future development of electric car, and in electric automobile field constantly infusion of financial resources and technology.According to the electronic vapour of the Ministry of Industry and Information Technology
Car Study of developing strategy address prediction, 6,000,000 are up to the year two thousand thirty national electric automobile recoverable amount.
The charging modes of existing electric automobile mainly include：One kind is wired charging, also makes contact charge；One kind is nothing
Line charges, and also makes non-contact type charge.Wired charge power is larger, and power taking process is dumb, it is necessary to plug charging cable repeatedly,
Mechanism wear is also easy to produce, causes high current carrier dangerous exposed, when running into sleety weather, damp proof insulation processing need to be carried out, it is impossible to be real
Existing outdoor charging, wired charging is connected by wire with power network is charged；Charging pile, building for charging station add with tradition simultaneously
Petrol station is similar, and by place restriction is built, construction cost is very big；
The shortcoming of above-mentioned wired charging can be overcome by wireless charging, the usual former secondary of use one is kept completely separate, nothing
The transformer of electrical connection, realizes that electric energy is passed through air between former secondary using the mutual magnetic coupling of former secondary
It is defeated.Wireless charging can reduce electric automobile cost, easy to use, safe, oncontacting electrical phenomena, in the absence of aging circuit, tip
The problems such as factors such as electric discharge cause spark.
But, wireless charging system for electric automobile is deposited when being charged between transmitting coil and receiving coil in air gap
In powerful electromagnetic field, if there is foreign matter between the air gap of this in charging process, potential safety hazard may be triggered, be unfavorable for safety
, such as there is metallic foreign body and be mixed into magnetic coupling area in charging, because eddy current effect causes metal steep temperature rise, there is safety hidden
Suffer from, such as when there is living body biological foreign matter, then living body biological can produce uncomfortable reaction because of electromagnetic field, in some instances it may even be possible to a certain degree
On injury.
Utility model content
The utility model embodiment provides a kind of wireless charging detection device for foreign matter, to solve when electric automobile is wireless
Charging system is when being charged, in the case where not disturbing charging process, whether there is metal or live body between effective detection coil
The foreign matters such as biology enter, and can not only realize the purpose of detection foreign matter, and can exclude foreign matter in time, greatly ensure wireless
The reliability service of charging.
In order to solve the above technical problems, technical solution adopted in the utility model is, a kind of wireless charging foreign bodies detection
Device, including：Launch drum, receive drum, light curtain emitter and light curtain reception device；Provided with transmitting in the transmitting drum
Coil, is placed on ground；Receiving coil is provided with the reception drum, underbody is placed in；The transmitting coil is with receiving line
Circle sets up communication connection in certain distance, and automatically begins to wireless power transmission；Light curtain reception device is located at reception drum
Lower surface the week side of boss；It is corresponding, upper surface the week side of boss of the light curtain emitter located at the transmitting drum；Between light curtain emitter includes
Multiple infrared transmitting tubes away from setting, light curtain reception device is provided with multiple infrared transmitting tubes one-to-one corresponding with light curtain emitter
Multiple infrared receiving tubes, each infrared transmitting tube is to that should have a corresponding infrared receiving tube, and installed in same
On straight line, when there is no barrier between the infrared transmitting tube on same straight line, infrared receiving tube, what infrared transmitting tube was sent
Modulated signal (optical signal) can smoothly reach infrared receiving tube, whereas if when having barrier, the modulation that infrared transmitting tube is sent
Signal can not normally reach infrared receiving tube.
The lower surface for receiving drum is square, and its summit is set to A ', B ', C ', D '；The reception drum
Summit B ' installs one end and the first motor of the first wiper, and summit D ' installs one end and the second motor of the second wiper, institute
State length of the length of the first wiper and the second wiper for the square length of side of the reception drum, the operating of first motor
The other end of the first wiper is driven to be run back and forth from summit A ' to summit C ', the operating of second motor drives the second windscreen wiper
The other end of device is run back and forth from summit C ' to summit A '；The first microswitch is additionally provided with the summit A ' and C ' and second micro-
Dynamic switch, when the first wiper runs to summit C ' from summit A ', connects the second microswitch；When the second windscreen wiper is from summit C '
When running to summit A ', the first microswitch is connected；
The upper surface of the transmitting drum is square, and its summit is set to A, B, C, D；The described length of side AB, BC, CD and
AD corresponds to the length of side A ' B ' for receiving drum lower surface square, B ' C ', C ' D ' and A ' D ' respectively；The summit B installs the 3rd rain
One end of curette and the 3rd motor, summit D install one end and the 4th motor of the 4th wiper, the 3rd wiper and the 4th
The length of wiper is the length of the square length of side of the transmitting drum, and the operating of the 3rd motor drives the another of the 3rd wiper
One end is run back and forth from summit A to summit C, the 4th motor operating drive the 4th wiper the other end from summit C to
Summit A is run back and forth；The 3rd microswitch and the 4th microswitch are additionally provided with the summit A and C, when the 3rd wiper is from top
When point A runs to summit C, the 4th microswitch is connected；When the 4th windscreen wiper runs to summit A from summit C, the 3rd fine motion is connected
Switch.
Further, the length of side A ' B ' and length of side AB equal length.
The utility model has the beneficial effect that：
1st, the utility model is used is respectively mounted wiper in reception drum and transmitting drum, can not only realize that detection is different
The purpose of thing, and foreign matter can be excluded in time, it is ensured that wireless charging is normally run, and increases stability and the lifting user of system
Experience；In addition, the foreign bodies detection realized using wiper, cost is small, realize simple.
2nd, the utility model is used sets light curtain to connect respectively in reception drum lower surface and transmitting drum upper surface corresponding position
Receiving apparatus and light curtain emitter, whether can have in the case where not disturbing charging process, between effective detection coil metal or
The foreign matters such as living body biological enter, and greatly ensure the reliability service of wireless charging.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly introduced, it should be apparent that, drawings in the following description are only some implementations of the present utility model
Example, on the premise of not paying creative work, can also be according to these accompanying drawings for one of ordinary skill in the art
Obtain other accompanying drawings.
Fig. 1 show the utility model structural representation；
Fig. 2 show reception Bobbin structure schematic diagram；
Fig. 3 show transmitting Bobbin structure schematic diagram.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing to this practicality
It is new to be described in further detail, it is clear that described embodiment is only a part of embodiment of the utility model, rather than
Whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment for being obtained, belong to the scope of the utility model protection.
Embodiment one：
The utility model embodiment one provides a kind of wireless charging detection device for foreign matter, and such as Fig. 1 includes：Reception drum 1,
Launch drum 2, light curtain emitter 3 and light curtain reception device 4；Transmitting coil is provided with the transmitting drum 2, ground is placed in
On；Receiving coil is provided with the reception drum 1, underbody is placed in；The transmitting coil is with receiving coil in certain distance
Communication connection is set up, and automatically begins to wireless power transmission；Light curtain reception device 4 is located at the lower surface the week side of boss for receiving drum 1；It is right
Answer, upper surface the week side of boss of the light curtain emitter 3 located at the transmitting drum 2；Light curtain emitter 3 includes many of spacing setting
Individual infrared transmitting tube, light curtain reception device 4 is one-to-one multiple red provided with multiple infrared transmitting tubes with light curtain emitter 3
Outer reception pipe, each infrared transmitting tube is arranged on same straight line to that should have a corresponding infrared receiving tube, when
When there is no barrier between the infrared transmitting tube, infrared receiving tube on same straight line, the modulated signal that infrared transmitting tube is sent
(optical signal) can smoothly reach infrared receiving tube, whereas if when having barrier, the modulated signal that infrared transmitting tube is sent can not
It is normal to reach infrared receiving tube.
The lower surface for receiving drum 1 is square, and its summit is set to A ', B ', C ', D '；The reception drum 1
Summit B ' install the first wiper 11 one end and the first motor, summit D ' install the second wiper 12 one end and second electricity
Machine, the length of the wiper 12 of the first wiper 11 and second is the length of the square length of side of the reception drum 1, described first
The operating of motor drives the other end of the first wiper 11 to be run back and forth from summit A ' to summit C ', the operating of second motor
The other end of the second wiper 12 is driven to be run back and forth from summit C ' to summit A '；It is micro- that first is additionally provided with the summit A ' and C '
Dynamic switch and the second microswitch, when the first wiper 11 runs to summit C ' from summit A ', connect the second microswitch；When
Second wiper 12 from summit C ' run to summit A ' when, connect the first microswitch.
The upper surface of the transmitting drum 2 is square, and its summit is set to A, B, C, D；The described length of side AB, BC, CD
And AD corresponds to the length of side A ' B ' for receiving drum lower surface square, B ' C ', C ' D ' and A ' D ' respectively；The summit B installs the 3rd
One end of wiper 21 and the 3rd motor, summit D install one end and the 4th motor of the 4th wiper 22, the 3rd wiper
21 and the 4th the length of wiper 22 be the length of the square length of side of the transmitting drum 2, the operating of the 3rd motor drives the
The other end of three wipers 21 is run back and forth from summit A to summit C, and the operating of the 4th motor drives the 4th wiper 22
The other end is run back and forth from summit C to summit A；The 3rd microswitch and the 4th microswitch are additionally provided with the summit A and C,
When the 3rd wiper 21 runs to summit C from summit A, the 4th microswitch is connected；When the 4th wiper 22 is run from summit C
During to summit A, the 3rd microswitch is connected.
Length of side A ' the B ' and length of side AB equal length.
In order to ensure that wireless charging system for electric automobile, when being charged, in the case where not disturbing charging process, has
What is imitated realizes foreign bodies detection, and can exclude foreign matter in time, completes the reliability service of wireless charging.Specific work of the present utility model
Make process as follows：
Because transmitting drum is identical with the course of work for receiving drum, to receive the course of work that drum carries out foreign bodies detection
Exemplified by, wireless charging system receives drum and opens the first wiper and the first motor, the operating of the first motor in pre-charging stage
The other end of the first wiper is driven to be run from summit A ' to summit C '.
When the other end of the first wiper is moved to summit C ' from summit A ' in the given time, then illustrate no foreign matter,
And connect the second microswitch；
When the other end of the first wiper is being not moved to summit C ' more than the scheduled time from summit A ', then explanation has different
Thing, foreign matter, which is divided into, can exclude foreign matter and can not exclude foreign matter, if foreign matter is when can exclude foreign matter, to pass through and increase the first motor
Driving current, and then exclude foreign matter, is excluded after foreign matter, and the other end of the first wiper continuously moves to summit C ', and connects the
Two microswitches；If foreign matter stops charging and alert notice user arranges when can not exclude foreign matter, to close precharge power
Except foreign matter；After foreign matter is excluded, precharge power is opened, the other end of the first wiper continuously moves to summit C ', connect the
Two microswitches；
After after the connection of the second microswitch, opening the second wiper and the second motor, the operating of the second motor drives second
The other end of wiper is run from summit C ' to summit A ', the course of work and the course of work phase of the first wiper and the first motor
Together, burden is not made herein.
When the other end of the second wiper is moved to summit A ' from summit C ', the foreign bodies detection process knot of drum is received
Beam.
Likewise, when the other end of the 4th wiper is moved to summit A from summit C, launching the foreign bodies detection mistake of drum
Journey terminates.
At the end of the foreign bodies detection process whole of drum and transmitting drum is received, start light curtain emitter and light curtain connects
Receiving apparatus carries out light curtain foreign bodies detection, while wireless charging system increases charge power and enters the charging stage.
Specifically, whether light curtain foreign bodies detection can by judging that the infrared transmitting tube of light curtain emitter sends optical signal
The infrared receiving tube of light curtain reception device is smoothly reached, when optical signal can be reached smoothly, then illustrates foreign；When optical signal can not
Smoothly reach, then explanation has foreign matter.
In charging process, when light curtain foreign bodies detection is to foreign, charging can be continued, until charging is finished；When light curtain inspection
When having measured foreign matter, then now reduce wireless charging power, start transmitting drum with receiving drum and carry out foreign bodies detection, and foreign matter
Exclude, specific work process is not as described above, burdensome herein；When excluding to foreign, continue to start light curtain foreign bodies detection, and
Continue to charge, until charging is finished；Wherein, the foreign matter is the foreign matters such as metal or living body biological.
The utility model is used is respectively mounted wiper, the foreign bodies detection that wiper is realized in reception drum and transmitting drum
The metallic foreign body (such as lighter thing of aluminium-foil paper, sheet metal) caused for nature can be removed easily very much, and
It can be allowed voluntarily to leave by way of windscreen wiper is disturbed for living body biological (such as kitten, bird)；Inspection can not only be realized
The purpose of foreign matter is surveyed, and foreign matter can be excluded in time, it is ensured that wireless charging is normally run, increases stability and the lifting of system
Consumer's Experience；Moreover, the utility model uses light curtain foreign bodies detection, and can be in the case where not disturbing charging process, effectively inspection
Whether transmitting coil and receiving coil between have the foreign matters such as metal or living body biological entrance, greatly ensure the reliable of wireless charging if surveying
Operation.In addition, the foreign bodies detection realized using wiper, cost is small, realize simple.
Although having been described for preferred embodiment of the present utility model, those skilled in the art once know substantially
Creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to bag
Include preferred embodiment and fall into having altered and changing for the utility model scope.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claim and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (5)
1. a kind of wireless charging detection device for foreign matter, it is characterised in that including：Launch drum, receive drum, light curtain emitter
And light curtain reception device；Transmitting coil is provided with the transmitting drum, is placed on ground；Provided with reception in the reception drum
Coil, is placed in underbody；The transmitting coil is set up communication in certain distance with receiving coil and is connected, and automatically begins to wireless
Power transmission；
The light curtain reception device is located at the lower surface the week side of boss for receiving drum；Corresponding, light curtain emitter is located at the transmitting
The upper surface the week side of boss of drum；Light curtain emitter include spacing set multiple infrared transmitting tubes, light curtain reception device be provided with
The one-to-one multiple infrared receiving tubes of multiple infrared transmitting tubes of light curtain emitter.
2. a kind of wireless charging detection device for foreign matter as claimed in claim 1, it is characterised in that the following table of the reception drum
Face is square, and its summit is set to A ', B ', C ', D '；The summit B ' for receiving drum installs one end of the first wiper
And first motor, summit D ' installs one end and the second motor of the second wiper, first wiper and the second wiper
Length is the length of the square length of side of the reception drum, and the operating of first motor drives the other end of the first wiper from top
Point A ' is run back and forth to summit C ', and the operating of second motor drives the other end of the second wiper from summit C ' to summit A '
Run back and forth；
The upper surface of the transmitting drum is square, and its summit is set to A, B, C, D；The described length of side AB, BC, CD and AD points
Length of side A ' the B ', B ' C ', C ' D ' and A ' D ' of drum lower surface square Dui Ying not received；The summit B installs the 3rd wiper
One end and the 3rd motor, summit D install the 4th wiper one end and the 4th motor, the 3rd wiper and the 4th windscreen wiper
The length of device is the length of the square length of side of the transmitting drum, and the operating of the 3rd motor drives the other end of the 3rd wiper
Run back and forth from summit A to summit C, the operating of the 4th motor drives the other end of the 4th wiper from summit C to summit A
Run back and forth.
3. a kind of wireless charging detection device for foreign matter as claimed in claim 2, it is characterised in that on the summit A ' and C ' also
The first microswitch and the second microswitch are respectively equipped with, when the first wiper runs to summit C ' from summit A ', the is connected
Two microswitches；When the second windscreen wiper runs to summit A ' from summit C ', the first microswitch is connected.
4. a kind of wireless charging detection device for foreign matter as claimed in claim 2 or claim 3, it is characterised in that on the summit A and C
The 3rd microswitch and the 4th microswitch are additionally provided with, when the 3rd wiper runs to summit C from summit A, the 4th is connected micro-
Dynamic switch；When the 4th windscreen wiper runs to summit A from summit C, the 3rd microswitch is connected.
5. a kind of wireless charging detection device for foreign matter as claimed in claim 2 or claim 3, it is characterised in that the length of side A ' B ' with
Length of side AB equal length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720168877.0U CN206452188U (en) | 2017-02-24 | 2017-02-24 | A kind of wireless charging detection device for foreign matter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720168877.0U CN206452188U (en) | 2017-02-24 | 2017-02-24 | A kind of wireless charging detection device for foreign matter |
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| CN206452188U true CN206452188U (en) | 2017-08-29 |
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ID=59665602
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| CN201720168877.0U Active CN206452188U (en) | 2017-02-24 | 2017-02-24 | A kind of wireless charging detection device for foreign matter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692830A (en) * | 2018-12-28 | 2019-04-30 | 上汽通用五菱汽车股份有限公司 | Foreign matter sweep-out method, device and the readable storage medium storing program for executing of wireless charging device |
| CN110957817A (en) * | 2018-09-26 | 2020-04-03 | 丰田自动车株式会社 | Wireless power transmission device |
| WO2020199635A1 (en) * | 2019-03-29 | 2020-10-08 | 苏州宝时得电动工具有限公司 | Automatic traveling device and control method therefor, and wireless charging apparatus and control method therefor |
| CN112751431A (en) * | 2019-10-31 | 2021-05-04 | 苏州宝时得电动工具有限公司 | Foreign matter cleaning method, foreign matter cleaning device and automatic mower system |
| CN113415181A (en) * | 2021-06-28 | 2021-09-21 | 国网北京市电力公司 | Stereo garage and charging protection device adopting wireless power transmission |
| CN115201618A (en) * | 2022-09-19 | 2022-10-18 | 中汽研新能源汽车检验中心(天津)有限公司 | Electric automobile wireless charging auxiliary function test system |
-
2017
- 2017-02-24 CN CN201720168877.0U patent/CN206452188U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957817A (en) * | 2018-09-26 | 2020-04-03 | 丰田自动车株式会社 | Wireless power transmission device |
| CN109692830A (en) * | 2018-12-28 | 2019-04-30 | 上汽通用五菱汽车股份有限公司 | Foreign matter sweep-out method, device and the readable storage medium storing program for executing of wireless charging device |
| CN109692830B (en) * | 2018-12-28 | 2021-06-22 | 上汽通用五菱汽车股份有限公司 | Foreign matter removing method and device for wireless charging equipment and readable storage medium |
| WO2020199635A1 (en) * | 2019-03-29 | 2020-10-08 | 苏州宝时得电动工具有限公司 | Automatic traveling device and control method therefor, and wireless charging apparatus and control method therefor |
| CN111756124A (en) * | 2019-03-29 | 2020-10-09 | 苏州宝时得电动工具有限公司 | Automatic walking equipment and control method thereof, wireless charging device and control method thereof |
| CN111756124B (en) * | 2019-03-29 | 2022-04-15 | 苏州宝时得电动工具有限公司 | Automatic walking equipment and control method thereof, wireless charging device and control method thereof |
| CN112751431A (en) * | 2019-10-31 | 2021-05-04 | 苏州宝时得电动工具有限公司 | Foreign matter cleaning method, foreign matter cleaning device and automatic mower system |
| CN113415181A (en) * | 2021-06-28 | 2021-09-21 | 国网北京市电力公司 | Stereo garage and charging protection device adopting wireless power transmission |
| CN115201618A (en) * | 2022-09-19 | 2022-10-18 | 中汽研新能源汽车检验中心(天津)有限公司 | Electric automobile wireless charging auxiliary function test system |
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Legal Events
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| TR01 | Transfer of patent right |
Effective date of registration: 20190708 Address after: 363801 Qianzhai 28, Yintang Village, Fengshan Town, Huaan County, Zhangzhou City, Fujian Province Patentee after: Zhangzhou New Page Technology Co., Ltd. Address before: 361008 11 building, 8 Sheng Shan mansion, Jinshan Road, Siming District, Xiamen, Fujian Patentee before: Xiamen new page Electric Co., Ltd. |
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| TR01 | Transfer of patent right |