CN109309407A - A kind of electric motor car wireless charging system - Google Patents
A kind of electric motor car wireless charging system Download PDFInfo
- Publication number
- CN109309407A CN109309407A CN201710617590.6A CN201710617590A CN109309407A CN 109309407 A CN109309407 A CN 109309407A CN 201710617590 A CN201710617590 A CN 201710617590A CN 109309407 A CN109309407 A CN 109309407A
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- China
- Prior art keywords
- battery
- circuit
- charging box
- wireless charging
- side radio
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- 230000005611 electricity Effects 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 208000032953 Device battery issue Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H02J7/025—
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of electric motor car wireless charging systems, including battery and wireless charging box；Battery includes receiving coil；Input circuit；The battery core group of several battery cores composition；Battery side radio circuit；Output circuit；For detecting the circuit for detecting of the charge and discharge power information of battery core group；Current electric quantity and charge information for obtaining current electric quantity and charge information according to charge and discharge power information, and are sent to wireless charging box by battery side radio circuit by battery control circuit；Wireless charging box includes power supply；Charging box side radio circuit, current electric quantity and charge information for receiving battery side radio circuit feedback send charging box control circuit；Charging box control circuit, the opening and closing of current electric quantity and charge information control transmitting coil for being sent according to charging box side radio circuit and the output power for adjusting transmitting coil.The present invention carries out wireless charging by the way that battery to be placed in wireless charging box, improves convenience and the safety of electric vehicle charging.
Description
Technical field
The present invention relates to wireless charging technical fields, more particularly to a kind of electric motor car wireless charging system.
Background technique
Charging battery of electric vehicle generallys use the direct physical contacts mode such as wired charging or contact charging and charges at present.
There is wire rod storage in this charging modes, convenience is poor；And wire rod is easily worn, once serious wear,
Then may there is a situation where wire rods to leak electricity, and high a possibility that electric shock is physically contacted, contact is easy to produce spark, charging safety
Property is low.
Therefore, how a kind of convenience is provided and highly-safe electric motor car wireless charging system is those skilled in the art
Problem to be solved at present.
Summary of the invention
The object of the present invention is to provide a kind of electric motor car wireless charging systems, by the way that battery to be placed in wireless charging box
Wireless charging is carried out, convenience and the safety of electric vehicle charging are improved.
In order to solve the above technical problems, the present invention provides a kind of electric motor car wireless charging system, including battery and nothing
Line charging box；
The battery includes:
For carrying out the receiving coil that electromagnetic coupling obtains electric energy with the transmitting coil in the wireless charging box；
Input terminal connects the input circuit of the receiving coil, output end connection battery core group；
The battery core group of several battery cores composition；
Battery side radio circuit；
Output circuit connect with the battery core group, for outwardly exporting electric energy；
Input terminal is connect with the battery core group, output end connects the circuit for detecting of battery control circuit, described for detecting
The charge and discharge power information of battery core group, and it is sent to the battery control circuit；
Output end connects the battery side radio circuit, feeder ear connect each battery core the battery control electricity
Road for obtaining current electric quantity and charge information according to the charge and discharge power information, and the current electric quantity and charge information is led to
It crosses the battery side radio circuit and is sent to the wireless charging box；
The wireless charging box includes:
Power supply；
Charging box side radio circuit, for receiving the current electric quantity and charge information hair of the battery side radio circuit feedback
Send the charging box control circuit；
The charging box control being connect respectively with the power supply and charging box side radio circuit and transmitting coil
Circuit, current electric quantity and charge information for sending according to charging box side radio circuit control opening for the transmitting coil
Open and close and adjust the output power of the transmitting coil；
The transmitting coil；
Wherein, after the battery is put into the wireless charging box, the battery side radio circuit and the charging box side
Radio circuit position is opposite, and the transmitting coil is opposite with the receiving coil position.
Preferably, the battery further include:
Input terminal connects the output end of the input circuit, output end be separately connected each battery core equilibrium charging electricity
Road, for detecting the charging voltage of each battery core, and accordingly, distribution is input to the charging current of each battery core.
Preferably, the battery further include:
The electric quantity display circuit connecting with the battery control circuit is calculated for obtaining the battery control circuit
Information about power and shown.
Preferably, the battery is detachably clamped with the wireless charging box.
Preferably, be arranged on the shell of the battery it is fluted, the corresponding position in the wireless charging box be provided with
The protrusion that the groove matches.
Preferably, handle is provided on the battery.
Preferably, the input circuit specifically includes rectifier bridge and voltage regulator circuit and filter circuit.
Preferably, the output circuit includes amplifying circuit.
Preferably, further includes:
With the receiving coil and the capacitor that connects.
Preferably, multiple wireless charging boxes form wireless charging electric cabinet, each wireless charging in the wireless charging electric cabinet
Electric box shares same power supply, for charging simultaneously for multiple batteries.
The present invention provides a kind of electric motor car wireless charging systems, including battery and wireless charging box, when needing to charge,
It only needs to be placed in battery in wireless charging box, the radio circuit of the two can start to carry out information exchange, later charging box
Control circuit can be according to unlatching and the pass for the current electric quantity and charge information control transmitting coil that charging box side radio circuit is sent
The output power of transmitting coil is closed and adjusts, to complete automatic charging.The present invention is avoided by the way of wireless charging
The problems such as wire rod storage and wire rod in wired charging are worn, convenience is high；And due in charging process, transmitting coil and connect
The case where take-up circle is respectively positioned on inside wireless charging box, greatly reduces user's electric shock appearance, it is highly-safe.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of electric motor car wireless charging system provided by the invention；
Fig. 2 is the schematic diagram in kind of the wireless charging box in a kind of electric motor car wireless charging system provided by the invention；
Fig. 3 is the schematic diagram in kind of the battery in a kind of electric motor car wireless charging system provided by the invention.
Specific embodiment
Core of the invention is to provide a kind of electric motor car wireless charging system, by the way that battery to be placed in wireless charging box
Wireless charging is carried out, convenience and the safety of electric vehicle charging are improved.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Shown in Figure 1 the present invention provides a kind of electric motor car wireless charging system, Fig. 1 is one kind provided by the invention
The structural schematic diagram of electric motor car wireless charging system；The system includes battery and wireless charging box；
Above-mentioned battery 1 includes:
For carrying out the receiving coil 11 that electromagnetic coupling obtains electric energy with the transmitting coil 24 in wireless charging box 2；
Input terminal connects the input circuit 12 of receiving coil 11, output end connection battery core group 13；
The battery core group 13 of several battery cores composition；
Battery side radio circuit 17；
Output circuit 14 being connect with battery core group 13, for outwardly exporting electric energy；
Input terminal is connect with battery core group, output end connects the circuit for detecting 15 of battery control circuit 16, each for detecting
The charge and discharge power information of battery core, and it is sent to battery control circuit 16；
Output end connects the battery control circuit 16 of battery side radio circuit 17, feeder ear connection battery core group, is used for foundation
Charge and discharge power information obtains current electric quantity and charge information, and current electric quantity and charge information are sent out by battery side radio circuit 17
It send to wireless charging box 2；
Above-mentioned wireless charging box 2 includes:
Power supply 21；
Charging box side radio circuit 23, for receiving the current electric quantity and charge information hair of the feedback of battery side radio circuit 17
Send charging box control circuit 22；
The charging box control circuit 22 being connect respectively with power supply 21 and charging box side radio circuit 23 and transmitting coil 24,
The opening and closing of current electric quantity and charge information control transmitting coil 24 for being sent according to charging box side radio circuit 23
And the output power of adjustment transmitting coil 24；
Transmitting coil 24；
Wherein, after battery 1 is put into wireless charging box 2, battery side radio circuit 17 and charging box side radio circuit 23
It sets relatively, and transmitting coil 24 is opposite with 11 position of receiving coil.
In addition, the charge and discharge power information that circuit for detecting 15 monitors can be the charge and discharge of 13 both end voltage of battery core group or each battery core
Electric current and time data are specifically not especially limited using which kind of information present invention.
It is understood that transmitting coil 24 is identical with 11 preferable shape of receiving coil, size and the number of turns, certainly,
This is not limited by the present invention.
In addition, battery control circuit 16 is made of main control chip and circumferential arrangement circuit with charging box control circuit 22
, the structure of circumferential arrangement circuit designed, designed as needed, the present invention is not especially limited this.Charging box control circuit
The purpose of output power of 22 control transmitting coils 24 is to adjust charging rate and charge mode of battery 1 etc., therefore, can basis
Power adjustment rule in relational design charging box control circuit 22 between charging rate and charge mode and output power.
The power supply 21 it is understood that transmitting coil 24 is not directly connected, but pass through the control of charging box control circuit 22
System carries out power output.Power supply 21 in wireless charging box 2 is in the open state always, be charging box side radio circuit 23 and
Charging box control circuit 22 is powered, and power consumption at this time is very faint, only when charging box side radio circuit 23 detects electricity
After pond 1 is put into wireless charging box 2, transmitting coil 24 is started to work, and just starts a large amount of power consumptions.
It should be noted that the present invention does not need artificially to open charging, as long as battery 1 is inserted into wireless charging box 2
It automatically begins to charge, battery 1 is full of afterwards or battery 1 is pulled out wireless charging box 2 or battery 1 is confirmed to be failure, can just stop
Charging.
Wherein, it uses for convenience, is provided with battery case 102 outside battery 1, similarly, 2 outside of wireless charging box is also set
It is equipped with shell 26.
Preferably, when charging box side radio circuit 23 detects battery side radio-frequency information and battery capacity is 0, meeting
Charging 5 minutes is automatically turned on, includes that information about power is judged according to battery side radio-frequency information is received, if electricity after five minutes
Increased percentage is less than preset percentage, then it is assumed that battery failures stop charging, conversely, then continuing to charge.Certainly, above
Automatically turn on charging time and preset percentage numerical value can sets itself, this is not limited by the present invention.
In an advantageous embodiment, above-mentioned battery 1 further include:
Output end, the output end of input terminal connection input circuit 12 are separately connected the equilibrium charging circuit of each battery core, use
In the charging voltage for detecting each battery core, and accordingly, distribution is input to the charging current of each battery core.
It is understood that can include that multiple battery cores need to guarantee as far as possible between each battery core in this case in battery 1
Charging voltage it is more balanced, just can guarantee charging stabilization and extend 1 service life of battery.Due to charging current it is big in the case where
It will lead to that its charging voltage is big, therefore be the harmony of controllable charging by adjusting the size of charging current.
Also, above-mentioned equilibrium charging circuit is also used to detect the global voltage value of battery 1.
In an advantageous embodiment, above-mentioned battery 1 further include:
The electric quantity display circuit 19 connecting with battery control circuit 16 is calculated for obtaining battery control circuit 16
Information about power is simultaneously shown.
It is understood that user often wants to check current charge capacity, to estimate the remaining charging time or determine
It is fixed whether to continue charging etc., therefore, electric quantity display circuit 19 is set, can be improved user experience.In addition, the electricity shown here
Amount is generally current electric quantity percentage.
In an advantageous embodiment, battery 1 and wireless charging box 2 are detachably clamped.
It is understood that if being put into wireless charging box 2 if being not provided with the part for blocking battery 1 in battery 1
During being charged, not only battery 1 is simply fallen out, and is easy to cause 1 mode position of battery not right, i.e., battery 1 is put into nothing
After line charging box 2, between transmitting coil 24 and receiving coil 11 or battery side radio circuit 17 and charging box side radio circuit
Between 23 and misalignment, so that charge efficiency is low or appearance the case where can not charge completely, reliability are low.And by battery 1 with
For wireless charging box 2 detachably after clamping, battery 1 only can be put into wireless charging box 2 in correct position, and enable electricity after being put into
Pond 1 is stuck with wireless charging box 2, ensure that the safety of battery 1, and the reliability of charging.
Further, be arranged fluted 103 on the shell of battery 1, the corresponding position in wireless charging box 2 be provided with it is recessed
The protrusion 25 that slot 103 matches.
Certainly, protrusion can also be set on battery case 102, and the corresponding position in wireless charging box 2 is provided with and protrusion
The groove to match.This setup makes battery 1 when being put into wireless charging box 2, it is necessary first to by protrusion and groove
Then end part aligning pushes battery 1 according to correct direction, battery 1 could be put into wireless charging box 2, and after being put into, battery 1
Can not drop out can not also move, and ensure that the position not yet accuracy of battery 1.
Preferably, handle 101 is provided on battery 1.
It is understood that in order to guarantee that position of the battery 1 in wireless charging box 2 is fixed, general wireless charging box 2
Interior size and the size needs of battery 1 match, in this case, once battery 1 is put into wireless charging box 2, then and it is inconvenient
Take out, therefore, by battery 1 be arranged handle 101, can be convenient battery 1 be removed and placed into and the movement of battery 1.
In addition, handle 101 here can be set it is any in addition to the one side contacted with the bottom of wireless charging box 2 on battery 1
On on one side, certainly, handle 101 cannot block receiving coil 11 and battery side radio circuit 17.
Specifically, input circuit 12 specifically includes rectifier bridge and voltage regulator circuit and filter circuit.
Wherein, output circuit 14 includes amplifying circuit.
Certainly, output circuit 14 and input circuit 12 also include other configurations circuit, and the present invention does not limit input circuit 12
With the specific structure of output circuit 14.
Preferably, the system further include:
With receiving coil 11 and the capacitor that connects.
In a preferred embodiment, multiple wireless charging boxes 2 form wireless charging electric cabinet, each wireless charging in wireless charging electric cabinet
Electric box 2 shares same power supply 21, for charging simultaneously for multiple batteries 1.
Shown in referring to figs. 2 and 3, Fig. 2 is the wireless charging in a kind of electric motor car wireless charging system provided by the invention
The schematic diagram in kind of box；Fig. 3 is the schematic diagram in kind of the battery in a kind of electric motor car wireless charging system provided by the invention.Its
In, 104 refer to the installation site of battery control circuit plate.
The present invention provides a kind of electric motor car wireless charging systems, including battery and wireless charging box, when needing to charge,
It only needs to be placed in battery in wireless charging box, the radio circuit of the two can start to carry out information exchange, later charging box
Control circuit can be according to unlatching and the pass for the current electric quantity and charge information control transmitting coil that charging box side radio circuit is sent
The output power of transmitting coil is closed and adjusts, to complete automatic charging.The present invention is avoided by the way of wireless charging
The problems such as wire rod storage and wire rod in wired charging are worn, convenience is high；And due in charging process, transmitting coil and connect
The case where take-up circle is respectively positioned on inside wireless charging box, greatly reduces user's electric shock appearance, it is highly-safe.Meanwhile this hair
Radio communication is used between bright battery and wireless charging box, ensure that the safety and precise of information；As long as and battery insertion of the invention
Wireless charging box can automatically begin to charge, and not need artificially to open or close, easy to operate.
The above is only embodiment of the present invention citing, and above several specific embodiments can in any combination, after combination
Obtained embodiment is also within protection scope of the present invention.Present invention is not limited to the above embodiments.Relevant speciality technical staff
The oher improvements and changes deduced out in the case where not departing from spirit of that invention and concept thereof should be included in protection model of the invention
Within enclosing.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
It should also be noted that, in the present specification, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of electric motor car wireless charging system, which is characterized in that including battery and wireless charging box；
The battery includes:
For carrying out the receiving coil that electromagnetic coupling obtains electric energy with the transmitting coil in the wireless charging box；
Input terminal connects the input circuit of the receiving coil, output end connection battery core group；
The battery core group of several battery cores composition；
Battery side radio circuit；
Output circuit connect with the battery core group, for outwardly exporting electric energy；
Input terminal is connect with the battery core group, output end connects the circuit for detecting of battery control circuit, for detecting the battery core
The charge and discharge power information of group, and it is sent to the battery control circuit；
Output end connects the battery side radio circuit, feeder ear connects the battery control circuit of each battery core, uses
In obtaining current electric quantity and charge information according to the charge and discharge power information, and the current electric quantity and charge information passed through described
Battery side radio circuit is sent to the wireless charging box；
The wireless charging box includes:
Power supply；
Charging box side radio circuit, current electric quantity and charge information for receiving the battery side radio circuit feedback send institute
State charging box control circuit；
The charging box control circuit being connect respectively with the power supply and charging box side radio circuit and transmitting coil,
Current electric quantity and charge information for being sent according to charging box side radio circuit control the transmitting coil unlatching and
Close and adjust the output power of the transmitting coil；
The transmitting coil；
Wherein, after the battery is put into the wireless charging box, the battery side radio circuit and charging box side radio frequency
Circuit position is opposite, and the transmitting coil is opposite with the receiving coil position.
2. system according to claim 1, which is characterized in that the battery further include:
Input terminal connects the output end of the input circuit, output end is separately connected the equilibrium charging circuit of each battery core,
For detecting the charging voltage of each battery core, and accordingly, distribution is input to the charging current of each battery core.
3. system according to claim 1 or 2, which is characterized in that the battery further include:
The electric quantity display circuit being connect with the battery control circuit, the electricity being calculated for obtaining the battery control circuit
Amount information is simultaneously shown.
4. system according to claim 1 or 2, which is characterized in that the battery and the wireless charging box detachable card
It connects.
5. system according to claim 4, which is characterized in that be arranged on the shell of the battery it is fluted, it is described wireless
Corresponding position in charging box is provided with the protrusion to match with the groove.
6. system according to claim 1 or 2, which is characterized in that be provided with handle on the battery.
7. system according to claim 1 or 2, which is characterized in that the input circuit specifically includes rectifier bridge and steady
Volt circuit and filter circuit.
8. system according to claim 1 or 2, which is characterized in that the output circuit includes amplifying circuit.
9. system according to claim 1 or 2, which is characterized in that further include:
With the receiving coil and the capacitor that connects.
10. system according to claim 1 or 2, which is characterized in that multiple wireless charging boxes form wireless charging
Cabinet, each wireless charging box in the wireless charging electric cabinet share same power supply, for being filled simultaneously for multiple batteries
Electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710617590.6A CN109309407A (en) | 2017-07-26 | 2017-07-26 | A kind of electric motor car wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710617590.6A CN109309407A (en) | 2017-07-26 | 2017-07-26 | A kind of electric motor car wireless charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109309407A true CN109309407A (en) | 2019-02-05 |
Family
ID=65202025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710617590.6A Pending CN109309407A (en) | 2017-07-26 | 2017-07-26 | A kind of electric motor car wireless charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109309407A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101438480A (en) * | 2007-07-13 | 2009-05-20 | 翰林Postech株式会社 | Non-contact charger system of wireless power transmission for battery and control method thereof |
| CN106467029A (en) * | 2015-08-21 | 2017-03-01 | 苏州宝时得电动工具有限公司 | Battery component, electric vehicle and power-supply system |
| CN106911191A (en) * | 2015-12-22 | 2017-06-30 | 比亚迪股份有限公司 | Wireless charging emitter, wireless charging system and electric automobile |
-
2017
- 2017-07-26 CN CN201710617590.6A patent/CN109309407A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101438480A (en) * | 2007-07-13 | 2009-05-20 | 翰林Postech株式会社 | Non-contact charger system of wireless power transmission for battery and control method thereof |
| CN106467029A (en) * | 2015-08-21 | 2017-03-01 | 苏州宝时得电动工具有限公司 | Battery component, electric vehicle and power-supply system |
| CN106911191A (en) * | 2015-12-22 | 2017-06-30 | 比亚迪股份有限公司 | Wireless charging emitter, wireless charging system and electric automobile |
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Application publication date: 20190205 |