CN107707040A - A kind of wireless charging device - Google Patents
A kind of wireless charging device Download PDFInfo
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- CN107707040A CN107707040A CN201711121592.2A CN201711121592A CN107707040A CN 107707040 A CN107707040 A CN 107707040A CN 201711121592 A CN201711121592 A CN 201711121592A CN 107707040 A CN107707040 A CN 107707040A
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- charging device
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- 238000001514 detection method Methods 0.000 claims abstract description 80
- 239000004020 conductor Substances 0.000 claims abstract description 55
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 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
- H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
-
- H02J7/025—
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of wireless charging device, including input circuit, radiating circuit, control circuit and detection circuit, the radiating circuit includes transmitting coil, the wireless charging device also includes being arranged on the placement plate above the transmitting coil, is connected between the placement plate and the transmitting coil by flexible member；The detection circuit includes the first conductor for being arranged on the placement plate lower surface, it is arranged on the second conductor of the transmitting coil upper surface and at least one load, the first conductor ground connection, second conductor and at least one load in series, whether object is placed on placement plate described in the detection electric circuit inspection；The control circuit controls the radiating circuit to close when not placing object on the placement plate.So, the embodiment of the present invention can close the radiating circuit of the wireless charging device under no-load condition, effectively reduce the energy loss of radiating circuit, reduce the idling consumption of wireless charging device.
Description
Technical field
The present invention relates to wireless charging technical field, more particularly to a kind of wireless charging device.
Background technology
As the function of mobile terminal (such as smart mobile phone, tablet personal computer etc.) is stronger and stronger, the use of mobile terminal
More and more frequently, so, cause the stand-by time of mobile terminal shorter and shorter, charging is more and more frequent.Wireless charging, which turns into, to be filled
A kind of main trend of power technology, wireless charging need not can be achieved with charging to mobile terminal using charging wire, can
Larger facility is provided to mobile terminal charging.
Direct current is changed into alternating current by the radiating circuit of wireless charging device, and is given the energy to by transmitting coil
The receiving terminal of mobile terminal, the receiving terminal of mobile terminal receive the energy that radiating circuit is sent, through over commutation by receiving coil
Galvanic current is exported after voltage stabilizing to use for mobile terminal.However, in the prior art, the radiating circuit meeting of wireless charging device
Continuous emitted energy, the waste of electricity can be caused under no-load condition.
The content of the invention
The embodiment of the present invention provides a kind of wireless charging device, to solve the transmitting of wireless charging device in the prior art electricity
Road can continuous emitted energy, the problem of waste of electricity can be caused under no-load condition.
In order to solve the above-mentioned technical problem, the present invention is realized in：A kind of wireless charging device, including input electricity
Road, radiating circuit, control circuit and detection circuit, the radiating circuit include transmitting coil, and the wireless charging device is also
Including the placement plate being arranged on above the transmitting coil, connected between the placement plate and the transmitting coil by flexible member
Connect；
The detection circuit includes the first conductor for being arranged on the placement plate lower surface, is arranged on the transmitting coil
Second conductor on surface and at least one load, first conductor ground connection, second conductor with it is described at least one negative
Series connection is carried, when the flexible member is in compressive state, first conductor contacts with second conductor, the flexible member
During in non-compressed state, first conductor is separated from each other with second conductor, and the detection circuit is described for detecting
Place and whether place object on plate；
The control circuit is used for when not placing object in the detection electric circuit inspection to the placement plate described in control
Radiating circuit is closed.
The embodiments of the invention provide a kind of wireless charging device, including for input circuit, radiating circuit, control circuit
And detection circuit, the radiating circuit include transmitting coil, the wireless charging device also includes being arranged on the emission lines
The placement plate of top is enclosed, is connected between the placement plate and the transmitting coil by flexible member；
The detection circuit includes the first conductor for being arranged on the placement plate lower surface, is arranged on the transmitting coil
Second conductor on surface and at least one load, first conductor ground connection, second conductor with it is described at least one negative
Series connection is carried, when the flexible member is in compressive state, first conductor contacts with second conductor, the flexible member
During in non-compressed state, first conductor is separated from each other with second conductor, and the detection circuit is described for detecting
Place and whether place object on plate；
The control circuit is used for when not placing object in the detection electric circuit inspection to the placement plate described in control
Radiating circuit is closed.
Whether the embodiment of the present invention places object on the transmitting coil by detecting radiating circuit described in electric circuit inspection, and
The radiating circuit is closed when detecting and not placing object on the transmitting coil, in such manner, it is possible to close institute under no-load condition
The radiating circuit of wireless charging device is stated, so as to effectively reduce the energy loss of radiating circuit, reduces treating for wireless charging device
Machine is lost, and reduces the waste of electricity.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed for being described below to the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Take other accompanying drawings.
Fig. 1 is a kind of structural representation of wireless charging device；
Fig. 2 is a kind of structural representation of wireless charging device provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another wireless charging device provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of structural representation of wireless charging device in the prior art, as shown in figure 1, wirelessly
Charging device 101 includes the input circuit 1011 and radiating circuit 1012 being connected with each other.The input circuit 1011 is used for and electricity
Source connects, and specifically, the input circuit 1011 can be adapter circuit, for civil power to be converted into direct current, and to institute
State radiating circuit 1012 and direct current is provided.The direct current that the radiating circuit 1012 is used to input the input circuit 1011 turns
It is changed to alternating current, and the transmission energy of receiving circuit 1021 by transmitting coil to mobile terminal 102, the mobile terminal 102
Receiving circuit 1021 energy that the radiating circuit 1012 launches is received by receiving coil, and exported after rectifying and voltage-stabilizing
Galvanic current uses for the mobile terminal.The mode that the radiating circuit 1012 is converted to direct current in alternating current is specific
Can be MOS (the Metal-Oxide-Semiconductor Field-Effect by the radiating circuit 1012
Transistor, Metal-Oxide Semiconductor field-effect transistor) do not turn off clearance and break, realize and direct current is converted into exchange
Electricity.
Referring to Fig. 2, Fig. 2 is a kind of structural representation of wireless charging device provided in an embodiment of the present invention, such as Fig. 2 institutes
Show, wireless charging device 200 includes input circuit 201, control circuit 202, radiating circuit 203 and detection circuit 204.
The input circuit 201 is used to be connected with power supply 300, and the alternating current that power supply 300 is provided is converted into direct current.
Specifically, the input of the input circuit 201 is connected with the power supply 300, the output end of the input circuit 201 with it is described
The input 2021 of control circuit 202 is connected, and the alternating current for the power supply 300 to be provided is supplied to after being converted into direct current
The control circuit 202.
First output end 2022 of the control circuit 202 is connected with the radiating circuit 203, for the input is electric
The direct current that road 201 inputs is supplied to the radiating circuit 203, and the radiating circuit 203 is used to carry the control circuit 202
The converting direct-current power into alternating-current power of confession, and emitted energy.Specifically, the radiating circuit 203 includes transmitting coil 2031, described
Transmitting coil 2031 is used to launch in the alternating current being converted to through the radiating circuit 203.
The input of the detection circuit 204 can be connected with the second output end 2023 of the control circuit 202, described
Control circuit 202 is used to power to the detection circuit 204.It is understood that in the embodiment of the present invention, the detection circuit
The port that 204 input can also can give the detection circuit 204 to power with other be connected (such as can be with the input
The output end connection of circuit 201), powered by other ports, be not limited in being powered by the control circuit 202.
The output end 2041 of the detection circuit 204 is connected with the test side 2024 of the control circuit 202, the detection
Circuit 204 is used for detecting object whether is placed on the transmitting coil 2031 of the radiating circuit 203, and the control circuit 202 is used
It is turned on or off in the testing result control radiating circuit 203 according to the detection circuit 204.Specifically, it is if described
Detection circuit 204, which detects, does not place object on the transmitting coil 2031, the control circuit 202 controls the radiating circuit
203 close；If the detection circuit 204 is detected on the transmitting coil 2031 without placement object, the control circuit 202
The radiating circuit 203 is controlled to open.It is understood that the control radiating circuit 203 described in the embodiment of the present invention
Open and specially continue the opening for keeping the radiating circuit 203 when the radiating circuit 203 is in opening (i.e.
It is without any processing when the radiating circuit 203 is in opening), when the radiating circuit 203 is closed
The radiating circuit 203 is controlled to open.So, the wireless charging device 200 can detect no mobile terminal charging
When control radiating circuit 203 close, can effectively reduce the energy loss of radiating circuit, reduce treating for wireless charging device 200
Machine is lost, and reduces the waste of electricity；The charging device 200 can also be when placing object on detecting the transmitting coil 2031
(when possible holding movable terminal needs to be charged on i.e. described transmitting coil 2031) described radiating circuit 203 of control is opened,
The unlatching operation that user is extra is not needed, provides the user with facility.
The wireless charging device 200 also includes the placement plate 205 for being arranged on the top of transmitting coil 2031, described to put
Put and connected between plate 205 and the transmitting coil 2031 by flexible member 206.The flexible member 206 can be spring,
Can be other flexible devices, the embodiment of the present invention is not especially limited to this.
The detection circuit 204 includes the first conductor 2042 for being arranged on placement plate 205 lower surface, is arranged on described
Second conductor 2043 of the upper surface of transmitting coil 2031 and at least one load 2044, first conductor 2042 is grounded, institute
State the port (example with the power supply for the detection circuit 204 after the second conductor 2043 is connected with least one load 2044
Such as the second output end 2023 of control circuit 202 as described in Figure 2) connection.When the flexible member 206 is in compressive state,
First conductor 2042 contacts with second conductor 2043, and the detection circuit 204 turns on；At the flexible member 206
When non-compressed state, first conductor 2042 is separated from each other with second conductor 2043, and the detection circuit 204 is disconnected
Open.At least one load 2044 can be that resistance or other loads, the embodiment of the present invention are not limited specifically this
It is fixed.
It is understood that when placing object on the placement plate 205, the pressure for placing object on plate 205 makes
Obtain the flexible member 206 to compress, now first conductor 2042 contacts with second conductor 2043, the detection circuit
204 conductings；When on the placement plate 205 without object is placed, the elastic restoring force of the flexible member 206 causes the bullet
Property element 206 recover non-compressed state so that first conductor 2042 is separated from each other with second conductor 2043, now institute
Detection circuit 204 is stated to disconnect.The test side 2024 of the control circuit 202 and the output end 2041 of the detection circuit 204 connect
Connect, when the detection circuit 204 is in the conduction state and be off down, the output end of the detection circuit 204
2041 output signal differs, and the control circuit 202 is used to determine the detection electricity according to described 2041 output signal
Whether road 204 detects is placed object on the placement plate 205.
The control circuit 202 can be judged by the output current for the output end 2041 for detecting the detection circuit 204
Whether object is placed on the placement plate 205.The output electricity for the output end 2041 for detecting the detection circuit 204 can also be passed through
Pressure judges whether place object on the placement plate 205.Specifically, the control circuit 202 is used to detect the detection circuit
The output current value or output voltage values of 204 output end 2041, if the output of the output end 2041 of the detection circuit 204
Current value or output voltage values fall into preset range, and the control circuit 202 is determined on the placement plate 205 without placement thing
Body, the radiating circuit 203 is controlled to close.If output current value or the output of the output end 2041 of the detection circuit 204
For magnitude of voltage without falling into preset range, the control circuit 202 determines there is placement object on the placement plate 205, controls the hair
Transmit-receive radio road 203 is opened.
The mode that the control circuit 202 closes the radiating circuit 203 can be specifically the control control circuit 202
The first output end 2022 stop powering to the radiating circuit 203, even it is described detection circuit 204 output end 2041 it is defeated
Go out current value or output voltage values fall into the preset range, the control circuit 202 controls the of the control circuit 202
One output end 202 stops powering to the radiating circuit 203.The control circuit 202 opens the mode of the radiating circuit 203
Can be that the first output end 2022 for controlling the control circuit 202 is powered to the radiating circuit 203, even described detection electricity
The output current value or output voltage values of the output end 2041 on road 204 are without falling into the preset range, the control circuit 202
The first output end 202 of the control circuit 202 is controlled to be powered to the radiating circuit 203.
Judge institute by detecting the output current of the output end 2041 of the detection circuit 204 in the control circuit 202
State in the case of whether placing object on placement plate 205, the output end 2041 of the detection circuit 204 can be the detection electricity
Any tie point in the loop of road 204, it is not limited in position as shown in Figure 2, the output end 2041 of the detection circuit 204
Output current is the loop current for detecting circuit 204.If the control circuit 202 is used for the defeated of the detection circuit 202
The output current value for going out end 2041 falls into predetermined current scope, controls the radiating circuit 203 to close, if the detection circuit
The output current value of 204 output end 2041 controls the radiating circuit 203 to open without falling into predetermined current scope.
In the embodiment of the present invention, the predetermined current scope can be a pre-set current value, such as zero.It is appreciated that
It is that, when not placing object on the placement plate 205, first conductor 2042 is separated from each other with second conductor 2043,
The detection circuit 204 is off, loop current zero, and the control circuit 202 is detecting the detection circuit 204
The output current value of output end 2041 when being zero, determine not place object on the placement plate 205, control the radiating circuit
203 close.When placing object on the placement plate 205, first conductor 2042 contacts with second conductor 2043, institute
State detection circuit 204 it is in the conduction state, loop current is not zero, the control circuit 202 detect it is described detection circuit 204
The output current value of output end 2041 when being not zero, determine to placed object on the placement plate 205, control the transmitting electricity
Open on road 203.
Judge institute by detecting the output voltage of the output end 2041 of the detection circuit 204 in the control circuit 202
State in the case of whether placing object on placement plate 205, the detection circuit 204 includes at least two loads 2044, such as Fig. 3 institutes
Show, at least two load of being connected between second conductor 2043 and the second output end 2023 of the control circuit 202
2044, the output end 2041 of the detection circuit 204 loads the company in 2044 between any two load for described at least two
Contact, at least two load 2044 can be the load of same type or different types of load, and the present invention is real
Example is applied to be not especially limited this.If the control circuit 202 is used for the output electricity of the output end 2041 of the detection circuit 202
Pressure value falls into predetermined voltage range, controls the radiating circuit 203 to close, if the output end 2041 of the detection circuit 204
Output voltage values control the radiating circuit 203 to open without falling into predetermined voltage range.
In the embodiment of the present invention, the predetermined voltage range can be a preset voltage value, such as can be the inspection
The magnitude of voltage size for the voltage that the supply port of slowdown monitoring circuit 204 provides for the detection circuit 204.For example, it is assumed that described
The magnitude of voltage size for the voltage that second deferent segment 2023 of control circuit 202 provides for the detection circuit 204 is V, the inspection
Slowdown monitoring circuit 204 includes two identical loads, and now, the preset voltage value is V.Do not put when on the placement plate 205
During glove body, first conductor 2042 is separated from each other with second conductor 2043, and the detection circuit 204, which is in, disconnects shape
State, now loads upper no partial pressure, and the output voltage values of the output end 2041 of the detection circuit 204 are V, the control circuit
202 when it is V to detect the output voltage values of output end of the detection circuit 204, determines not place thing on the placement plate 205
Body, the radiating circuit 203 is controlled to close.When it is described placement plate 205 on place object when, first conductor 2042 with it is described
Second conductor 2043 contacts, and the detection circuit 204 is in the conduction state, now has identical partial pressure in two loads, described
The output voltage values for detecting the output end 2041 of circuit 204 are V/2, are not V, and the control circuit 202 is detecting the detection
When the output voltage values of the output end of circuit 204 are not V, determine to placed object on the placement plate 205, control the transmitting
Circuit 203 is opened.
Alternatively, after the output signal of the output end 2041 of the detection circuit 204 carries out stabilization processing, the control electricity
Road 202 obtains the output current value or output voltage values of the output end 2041.
In the embodiment, the control circuit 202 is carried out to the output signal of the output end 2041 of the detection circuit 204
The output current value or output voltage values of the output end 2041 are obtained again after stabilization processing, in such manner, it is possible to effectively reduce mistake
Judge, ensure the stability of the wireless charging device 100.
Alternatively, first conductor is the first conducting strip, and second conductor is the second conducting strip.
Alternatively, the load is resistance.
Alternatively, the flexible member is spring.
In the embodiment of the present invention, the wireless charging device can be by detecting the transmitting of radiating circuit described in electric circuit inspection
Object whether is placed on coil, and controls the radiating circuit to close when not placing object on detecting the transmitting coil,
In such manner, it is possible to the radiating circuit of the wireless charging device is closed under no-load condition, so as to effectively reduce the energy of radiating circuit
Amount loss, reduces the idling consumption of wireless charging device, reduces the waste of electricity.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
Connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
- A kind of 1. wireless charging device, it is characterised in that including input circuit, radiating circuit, control circuit and circuit is detected, The radiating circuit includes transmitting coil, and the wireless charging device also includes being arranged on the placement above the transmitting coil Plate, connected between the placement plate and the transmitting coil by flexible member；The detection circuit includes the first conductor for being arranged on the placement plate lower surface, is arranged on the transmitting coil upper surface The second conductor and at least one load, first conductor ground connection, second conductor gone here and there with least one load Connection, when the flexible member is in compressive state, first conductor is contacted with second conductor, and the flexible member is in During non-compressed state, first conductor is separated from each other with second conductor, and the detection circuit is used to detect the placement Whether object is placed on plate；The control circuit is used to control the transmitting when not placing object in the detection electric circuit inspection to the placement plate Circuit is closed.
- 2. wireless charging device as claimed in claim 1, it is characterised in that the input of the input circuit connects with power supply Connect, the output end of the input circuit is connected with the input of the control circuit；First output end of the control circuit is connected with the radiating circuit, the second output end of the control circuit with it is described Detect and connect at least one load between second conductor of circuit, for the radiating circuit and the detection Circuit is powered；The test side of the control circuit is connected with the output end of the detection circuit, and the control circuit is used to obtain the inspection The output current value or output voltage values of the output end of slowdown monitoring circuit, if it is described detection circuit output end output current value or Person's output voltage values fall into preset range, control the radiating circuit to close.
- 3. wireless charging device as claimed in claim 2, it is characterised in that if the control circuit is additionally operable to the detection electricity The output current value or output voltage values of the output end on road control the radiating circuit to open without falling into preset range.
- 4. wireless charging device as claimed in claim 3, it is characterised in that if the control circuit is used for the detection circuit Output end output current value or output voltage values fall into preset range, control the first output end of the control circuit to stop Only powered to the radiating circuit, if the output current value or output voltage values of the output end of the detection circuit are without falling into pre- If scope, the first output end of the control circuit is controlled to be powered to the radiating circuit.
- 5. wireless charging device as claimed in claim 3, it is characterised in that the output current of the output end of the detection circuit Be worth for it is described detection circuit loop current, if the control circuit be used for it is described detection circuit output end output current value Predetermined current scope is fallen into, controls the radiating circuit to close, if the output current value of the output end of the detection circuit does not fall Enter predetermined current scope, control the radiating circuit to open.
- 6. wireless charging device as claimed in claim 3, it is characterised in that the detection circuit includes at least two loads, Connect between second conductor and the second output end of the control circuit at least two load, the detection circuit Output end is the tie point between any two load in described at least two loads；If the output voltage values that the control circuit is used for the output end of the detection circuit fall into predetermined voltage range, institute is controlled State radiating circuit closing, if the output voltage values of the output end of the detection circuit without falling into predetermined voltage range, described in control Radiating circuit is opened.
- 7. wireless charging device as claimed in claim 2, it is characterised in that the output signal of the output end of the detection circuit After carrying out stabilization processing, the control circuit obtains the output current value or output voltage values of the output end.
- 8. the wireless charging device as described in any one of claim 1 to 7, it is characterised in that first conductor is led for first Electric piece, second conductor are the second conducting strip.
- 9. the wireless charging device as described in any one of claim 1 to 7, it is characterised in that the load is resistance.
- 10. the wireless charging device as described in any one of claim 1 to 7, it is characterised in that the flexible member is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121592.2A CN107707040A (en) | 2017-11-14 | 2017-11-14 | A kind of wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121592.2A CN107707040A (en) | 2017-11-14 | 2017-11-14 | A kind of wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107707040A true CN107707040A (en) | 2018-02-16 |
Family
ID=61179400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711121592.2A Pending CN107707040A (en) | 2017-11-14 | 2017-11-14 | A kind of wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107707040A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018214786A1 (en) * | 2018-08-30 | 2020-03-05 | Continental Automotive Gmbh | Device for determining an object over a primary coil of an arrangement for inductive energy transmission |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079034A (en) * | 2014-07-04 | 2014-10-01 | 广东工业大学 | Wireless charging device used in public places |
-
2017
- 2017-11-14 CN CN201711121592.2A patent/CN107707040A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079034A (en) * | 2014-07-04 | 2014-10-01 | 广东工业大学 | Wireless charging device used in public places |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018214786A1 (en) * | 2018-08-30 | 2020-03-05 | Continental Automotive Gmbh | Device for determining an object over a primary coil of an arrangement for inductive energy transmission |
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Application publication date: 20180216 |
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| RJ01 | Rejection of invention patent application after publication |