CN103887893B - Sensing device - Google Patents
Sensing device Download PDFInfo
- Publication number
- CN103887893B CN103887893B CN201310757476.5A CN201310757476A CN103887893B CN 103887893 B CN103887893 B CN 103887893B CN 201310757476 A CN201310757476 A CN 201310757476A CN 103887893 B CN103887893 B CN 103887893B
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- CN
- China
- Prior art keywords
- foreign matter
- voltage
- tank circuit
- recognition unit
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
-
- 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
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
-
- 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
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
-
- 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
-
- 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
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2822—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere of microwave or radiofrequency circuits
- G01R31/2824—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere of microwave or radiofrequency circuits testing of oscillators or resonators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of sensing device, particularly sensing hand tools devices, have：Tank circuit (12a；12 ' b), which has induction coil (14a；14′b)；Foreign matter recognition unit (16a；16 ' b), and foreign matter recognition unit setting is for the detection foreign matter (18a in detection operation；18′b).It is proposed that foreign matter recognition unit (16a；16 ' b) set to check the Functional Capability of itself.
Description
Technical field
It has proposed a kind of sensing device, particularly sensing hand tools device, has had：Tank circuit, this shakes
Loop circuit is swung with induction coil；And foreign matter recognition unit, the foreign matter recognition unit set to visit in detection operation
Survey foreign matter.
Invention content
The present invention relates to a kind of sensing device, particularly sensing hand tools devices, have：Tank circuit, should
Tank circuit has induction coil；And foreign matter recognition unit, during foreign matter recognition unit setting in detection for running
Detect foreign matter.
It is proposed that foreign matter recognition unit sets to check the Functional Capability of itself." sensing device " is got in touch with down
Text should especially be understood to a kind of device, which at least partly sets to convert electrical energy into magnetic field or convert magnetic field
For electric energy.Preferably, the sensing device is interpreted as a part with the induction system of generator and receiver.Occur
Device is set herein for converting electrical energy into magnetic field, and receiver sets to convert magnetic fields to electric energy.Particularly preferably
, the sensing device is interpreted as a part for induction charging system, which, which has, is configured to charging dress
The generator put and the receiver for being configured to accumulator plant.Sensing device not only can also be by receiver shape by generator
Into.In addition, " sensing hand tools device " is from the context should to be especially understood to a kind of sensing dress for hand tool
It puts.Here " hand tool " should especially be understood to a kind of machine of workpieces processing, but be favorably drilling machine, hammer drill and/or
Jump bit, saw, planer, driver, milling machine, milling drum, angle grinder, garden tool set and/or multi-purpose tool." oscillation circuit
Circuit " is from the context should to be especially understood to the circuit with resonant capacity.Preferably, the tank circuit Ying Te
It is not understood to a kind of circuit, which has at least part of oscillation circuit, which has at least one line
Circle and at least one capacitor.It is particularly preferred that circuit not only can be formed only, but also can be by shaking herein by oscillation circuit
It swings circuit and other components is formed.Here " circuit " should especially be understood to a kind of electronic circuit.Preferably, the circuit should
Especially it is understood to the connection of electricity and/or electronics component.It should be especially understood in addition, " induction coil " is from the context
A kind of element, the element are at least partly made of electric conductor, particularly the electric conductor of winding, and the electric conductor is at least partly with disk
Form setting.Preferably, voltage is induced in the electric conductor in the case of close to magnetic field and/or close to voltage
In the case of the conductor generate magnetic field.In addition, " foreign matter recognition unit " is from the context should to be especially understood to a kind of unit,
Unit setting is for the foreign matter in the detection particularly ambient enviroment of sensing device.Preferably, the foreign matter recognition unit
A kind of unit should be especially understood to, for detecting foreign matter, the foreign matter is arranged on induction charging device with storing for unit setting
In contact area between cell apparatus and charging process may be influenced in charge operation." foreign matter " should be particularly herein
It is interpreted as metal and/or magnetic component, component or other objects." detection operation " is from the context should to be particularly understanding
For a kind of operating status, the foreign matter recognition unit of sensing device at least sets to detect foreign matter under the operating status.It is preferred that
, the detection, which is run, should especially be understood to a kind of operating status, and the operating status is before charge operation and/or is filling
Expire during electricity operation.Herein, " charge operation " should especially be understood to a kind of operating status, from outer under the operating status
Portion is to the battery unit supplying energy of accumulator plant.Preferably, the charge operation should especially be understood to a kind of operation
State, the battery unit of the accumulator plant energy that temporarily storage is fed from outside under the operating status.In addition, it " checks
The Functional Capability of itself " is from the context to be especially understood to：It carries out checking that foreign matter is identified by foreign matter recognition unit itself
The function that unit is identified about foreign matter.Preferably, the inspection Functional Capability of itself is interpreted as：Check that the foreign matter identifies
The reliability of foreign matter identification of unit and/or the function high efficiency of totality.It is particularly preferred that the inspection function energy of itself
Power should especially be understood to the stopping of the function of the foreign matter identification of foreign matter recognition unit here.
The work(of the foreign matter recognition unit can particularly advantageously be checked by the configuration according to the present invention of sensing device
It can ability.In addition, it is possible thereby to the particularly reliable inspection of the Functional Capability is realized using the foreign matter recognition unit itself
It looks into.The extra cell for inspection is not needed to particularly as a result, it is possible thereby to which the quantity of component is tinily kept.
It is further recommended that the setting of foreign matter recognition unit is used for：At least in the Functional Capability of detection in-service inspection itself.Thus
Can be particularly detect run during audit function ability, it is possible thereby to very little or no time lost carry out audit function
Ability.In addition, it is possible thereby to foreign matter identification is particularly performed in the process and checks the foreign matter identification.
It is further recommended that foreign matter recognition unit has at least one voltage measurement element, voltage measurement element setting is used for
Voltage change in detection is run in detection tank circuit.Preferably, voltage measurement element setting is used for：It is detecting
The variation of voltage at any time in tank circuit is detected in operation." voltage measurement element " is from the context should to be particularly reason
It solves as a kind of element, element setting is for measuring voltage.Preferably, the voltage measurement element should especially be understood to one
Kind element, the element is at least one measuring mechanism and/or at least one measurement electronic device.It is particularly preferred that
The voltage measurement element should especially be understood to a kind of voltage measuring apparatus and/or voltage measuring apparatus.It is possible thereby to it realizes
Particularly advantageous foreign matter identification and/or the particularly advantageous inspection of the Functional Capability of itself to foreign matter recognition unit.In addition, by
This can particularly advantageously detect voltage.
It is further recommended that voltage measurement element setting is used for：Voltage drop in detection is run in detection tank circuit.
" voltage drop " is from the context should to be especially understood to the reduction of voltage at any time.Preferably, the voltage drop should be particularly
A value being not zero is changed with time, particularly is dropped in the direction for being interpreted as voltage towards zero.Particularly advantageously, it is described
Voltage drop should especially be understood to the reduction of the absolute value of voltage at any time.It is possible thereby to realize particularly advantageous foreign matter identification
And/or the particularly advantageous inspection to the foreign matter recognition unit Functional Capability of itself.
It is further recommended that foreign matter recognition unit has at least one test device, test device setting is used for：Reduce oscillation
The quality of loop circuit and/or make tank circuit be detached from resonance." test device " is from the context to be especially understood to
The component and/or component of computing unit, the computing unit have calculation procedure and/or in significant other of technical staff
Device.Preferably, the test device should especially be understood to a kind of device, device setting in order to test and/or
The purpose of measurement changes at least one characteristic parameter of tank circuit.Preferably, the device setting is used for：It is visiting
Change at least one characteristic parameter of tank circuit during surveying operation to identify for foreign matter and/or for checking that the foreign matter is known
Not.In addition, " quality of tank circuit " is from the context should to be especially understood to a kind of factor, which, which describes, has
The attenuation of the system of lasing capability, particularly the oscillation circuit of tank circuit.Preferably, the tank circuit
Quality should especially be understood to a kind of intermediate frequency about bandwidth.Bandwidth should especially be defined as frequency range herein,
Level changes the 3dB factors on the boundary of the frequency range.It is particularly preferred that the quality of the tank circuit should be special
A kind of gross energy relative to time t being stored in the system with lasing capability is understood to each cycle relative to the time
Ratio between the energy loss of t.
" resonance of tank circuit " is from the context to be especially understood to, and the intrinsic frequency of generation is at least close to ground
Corresponding to the resonant frequency of tank circuit." resonant frequency of tank circuit " should especially be understood to one kind herein
The intrinsic frequency of the intrinsic frequency of system with lasing capability, particularly the oscillation circuit of tank circuit.Preferably,
The resonant frequency of the tank circuit should especially be understood to a kind of intrinsic frequency, the intrinsic frequency in systems two
Occur between various forms of accumulators.It is particularly preferred that the resonant frequency of the tank circuit should be particularly understanding
For the resonant frequency in electric oscillation circuit, which has at least one capacitor and at least one coil.In addition, here
" at least close to ground " should be especially understood to, and the deviation of preset value is especially less than the 10% of the preset value, is preferably smaller than
5% and particularly preferably less than 2%.It should be especially understood in addition, " being detached from resonance " is from the context, actively pass through change
In particular at least one characteristic parameter is come the resonant condition that terminates and/or interrupt the tank circuit.Preferably, it is described de-
It should be especially understood to from resonance, the input frequency of tank circuit is actively adjusted to big different with resonant frequency
Value.Herein, the big different value should be especially understood to, and a value deviation be particularly the value at least 2%, it is excellent
Choosing at least 5% and particularly preferably at least 10%.It is possible thereby to it realizes particularly advantageous foreign matter identification and/or the foreign matter is known
The particularly advantageous inspection of the Functional Capability of itself of other unit.In addition, it is possible thereby to particularly advantageously provides at least one
The inspection of the test status and domain foreign matter recognition unit of a measurement.
In addition, the present invention relates to a kind of method, this method utilizes tank circuit and utilization with induction coil
The foreign matter recognition unit of foreign matter is detected in detection is run.
It is proposed that foreign matter recognition unit checks the Functional Capability of itself.By according to the method for the present invention can be special
The Functional Capability of the foreign matter recognition unit is not checked advantageously.In addition, it is possible thereby to itself is identified using foreign matter to realize pair
The particularly reliable inspection of Functional Capability.It is possible thereby to the extra cell for inspection is particularly saved, by can be by component
Quantity is tinily kept.
It is further recommended that tank circuit is made to carry out resonance by least one frequency shift in detection is run, and
The first voltage on the tank circuit is measured followed by voltage measurement element.Preferably, lead in detection is run
Crossing at least one input frequency for changing the tank circuit makes tank circuit carry out resonance, and and then measure
First voltage on tank circuit." carrying out resonance " is from the context to be especially understood to, special actively by changing
It is not at least one characteristic parameter to cause the resonant condition of tank circuit.Preferably, the progress resonance should be special
The intrinsic frequency for being understood to tank circuit is initiatively adjusted the value arrived at least close to resonant frequency.Here it " at least connects
Closely " should especially be understood to, and preset value deviation be especially less than the preset value 10%, preferably smaller than 5% and especially
Preferably smaller than 2%.Work(of the voltage for foreign matter identification and/or for checking the foreign matter identification is particularly advantageously measured as a result,
It can ability.
It is further recommended that foreign matter recognition unit has test device, which is measuring the first electricity in detection is run
Reduce the quality of tank circuit, and followed by voltage measurement element by connecting at least one component after pressure
To measure the second voltage on the tank circuit, and the voltage difference between first voltage and second voltage is examined.By
This particularly advantageous inspection for realizing particularly advantageous foreign matter identification and/or the Functional Capability of itself being identified to the foreign matter.
By examining the voltage difference between first voltage and second voltage that can particularly advantageously realize, foreign matter is identified and at the same time checking
The Functional Capability of foreign matter identification.If such as the voltage drop between first voltage and second voltage is too small, it is possible thereby to push away
Breaking in the magnetic field for sensing device, there are foreign matters.If there is no voltage drops between first voltage and second voltage, can push away
Break and：The foreign matter identification of foreign matter recognition unit stops.In addition tank circuit can advantageously be reduced by testing device
Quality.
It is further recommended that foreign matter recognition unit has test device, which is measuring the first electricity in detection is run
Tank circuit is made to be detached from resonance by least one frequency shift after pressure, and surveyed followed by voltage measurement element
The second voltage on the tank circuit is measured, and the voltage difference between first voltage and second voltage is examined.Thus it is real
Particularly advantageous foreign matter identification is showed and/or the particularly advantageous inspection of the Functional Capability of itself is identified to foreign matter.Pass through inspection
Voltage difference between first voltage and second voltage can particularly advantageously realize the Functional Capability for checking foreign matter identification simultaneously
Foreign matter identification function.If such as the voltage drop between first voltage and second voltage is too small, it is possible thereby to be inferred to feel
Answer in the magnetic field of device that there are foreign matters.If there is no voltage drop between first voltage and second voltage, can be inferred that：Foreign matter
The foreign matter identification of recognition unit stops.Tank circuit can favorably be made to be detached from resonant frequency by testing device in addition.
Sensing device according to the present invention, induction charging device, sensing accumulator plant, system and according to the present invention
Method should not be limited to above-mentioned application and structure type herein.Specifically, sensing device according to the present invention, sensing are filled
Electric installation, sensing accumulator plant, system and according to the method for the present invention can be in order to meet operation principle described here
With the quantity different from the number of discrete component mentioned herein, component and unit.
Description of the drawings
Other the advantages of, are learnt by illustrated below.Two embodiments of the present invention are shown in the drawings.Diagram, explanation
And claim includes the feature of multiple combinations formula.Professional person also single in line with the purpose can treat these features and total
Form other significant combinations.
Attached drawing is shown：
Fig. 1 is filled with illustrating to illustrate the induction charging device with sensing device according to the present invention and sensing accumulator
It puts, which has tank circuit and foreign matter recognition unit, they are in detection operation,
Fig. 2 has the fragmentary cross-sectional view of the induction charging device of sensing device according to the present invention and sensing accumulator plant
Schematic diagram, they be in detection operation in,
Fig. 3 has the induction charging device of sensing device according to the present invention and the simplification circuit of sensing accumulator plant
Figure, they are in detection operation,
Fig. 4 is to illustrate to illustrate sensing accumulator plant and the sensing with sensing device that is according to the present invention, substituting
Charging unit, the sensing device have tank circuit and foreign matter recognition unit, they are in detection operation,
The fragmentary cross-sectional view of Fig. 5 induction charging devices and the sensing storage with sensing device that is according to the present invention, substituting
The schematic diagram of cell apparatus, they be in detection operation in and
Fig. 6 has the sensing accumulator plant of sensing device according to the present invention and the simplification circuit of induction charging device
Figure, they are in detection operation.
Specific embodiment
Fig. 1 show in detect the running induction charging device 24a with sensing device 10a according to the present invention with
Sense accumulator plant 26a.Sensing device 10a is made of induction type hand tools device.Sensing device 10a is filled by induction charging
Put 24a compositions.Sensing device 10a has tank circuit 12a and foreign matter recognition unit 16a.In addition, sensing device 10a exists
Sensing accumulator plant 26a can be transmitted to for will charge with induction mode by being set in charge operation.In addition, sensing device
10a has primary induction charging unit 32a.Primary induction charging unit 32a is set in charge operation for wirelessly
Energy is transmitted to from sensing device 10a on sensing accumulator plant 26a.Primary induction charging unit 32a setting is for will be electric
Magnetic field can be converted to, which can be converted to electric energy again by the secondary induction charhing unit 34a of sensing accumulator plant 26a.
Primary induction charging unit 32a has electronic unit 36a and core unit 38a.Core unit 38a plate shape grounds form and including magnetism
Material.In addition, sensing device 10a has housing unit 44a.
The electronic unit 36a of primary induction charging unit 32a have tank circuit 12a, foreign matter recognition unit 16a and
Charged electrical element 42a.Tank circuit 12a has induction coil 14a.Induction coil 14a is circlewise formed.Induction coil
14a includes multiple electric conductors, and the electric conductor extends in circumferential direction.Electric conductor is in circumferential direction around theoretic winding
Axis 40a is wound.Induction coil 14a has main extension plane, and the main extension plane is perpendicular to winding axis 40a orientations.In addition,
Induction coil 14a has principal spread direction in main extension plane, which prolongs than induction coil 14a perpendicular to master
It is stretched flat the big several times of extension in face.Induction coil 14a forms a part for the oscillation circuit of tank circuit 12a.Induction coil
14a settings are used for, in order to which charge operation is by electric energy production magnetic field, with to sensing accumulator plant 26a chargings.Foreign matter recognition unit
16a settings are used for, the detection foreign matter 18a in detection is run.Foreign matter recognition unit 16a settings are used for, and are detected in detection is run
The foreign matter 18a in contact area 46a between sensing device 10a and sensing accumulator plant 26a, the foreign matter hinder charging process
And/or may danger be caused to operator, sensing device 10a and/or sensing accumulator plant 26a during the charging process.Just
It is in the case of metallic foreign body 18a, the magnetic field during charging process in contact area 46a leads to the heat intensive of foreign matter 18a.
Here, on the one hand the charging of loss part can and store operator, sensing device 10a and/or sensing since heating produces
The danger of cell apparatus 26a.In addition, foreign matter recognition unit 16a sets to examine the Functional Capability of itself.Foreign matter recognition unit
16a sets to examine the Functional Capability of itself in detection operation.Foreign matter recognition unit 16a detect run during, different
Object is examined during identifying, if has carried out foreign matter identification by foreign matter recognition unit 16a or foreign matter identifies whether failure.It is different
Object recognition unit 16a has output element 48a.Output element 48a is made of the LED of polychrome.It is different by output element 48a
Object recognition unit 16a outputs information to operator.If there is no any different in contact area 46a during operation is detected
Object 18a, then output element 48a give a green light.If detecting foreign matter 18a during operation is detected, output element 48a is bright orange
Lamp.If determining that foreign matter identifies failure by foreign matter recognition unit 16a during operation is detected, output element 48a sends out a warning.This
Outside it is conceivable that, determine foreign matter identification failure in the case of sensing device 10a is made not work.In addition, in principle it is also contemplated that
In the view of professional is meaningful, output element in addition and/or the way of output.
Foreign matter recognition unit 16a has the computing unit 50a with memory element 52a.Foreign matter recognition unit 16a also has
Voltage measurement element 20a, voltage measurement element setting are used for, the electricity in detection is run in sensing tank circuit 12a
Buckling.Voltage measurement element 20a settings are used for, the voltage drop in detection is run in sensing tank circuit 12a.This
Outside, foreign matter recognition unit 16a has test device 22a, which sets the product for reducing tank circuit 12a
Matter.
In detection is run, tank circuit 12a reaches resonance by changing frequency.Here, input frequency is by filling
The frequency regulator part 54a of electric electronic component 42a changes.Then, tank circuit is measured by voltage measurement element 20a
First voltage U on 12a1.The measured first voltage U of tank circuit 12a1It is passed to foreign matter recognition unit 16a's
It is stored on memory element 52a on computing unit 50a and at this.The control test device in the next step of detection operation
22a.Measuring first voltage U1Afterwards, test device 22a connects component 30a, for reducing the quality of tank circuit 12a.
But in principle it is also contemplated that, corresponding to second embodiment, test device 22a causes frequency to change by frequency regulator part 54a
Become, tank circuit 12a is detached from resonance.Then, it is measured on tank circuit 12a by voltage measurement element 20a
Second voltage U2.The measured second voltage U of tank circuit 12a2It is also delivered to the meter of foreign matter recognition unit 16a
It calculates on unit 50a and is stored on memory element 52a at this.Then, calculate and examine first voltage U1With second voltage U2
Between voltage difference delta UI.If the voltage difference delta U calculatedIIt is approximately equivalent to the rated voltage being stored on memory element 52a
Poor Δ US, then any foreign matter 18a is not present in contact area 46a.At this point, output element is controlled by computing unit 50a in this way
48a so that it gives a green light and charge operation can start.If the voltage difference delta U calculatedIIt is not approximately equal and is stored in
Store up the rated voltage difference Δ U on element 52aSAnd voltage difference delta UINot equal to zero, then there are foreign matters in contact area 46a
18a.At this point, output element 48a is controlled by computing unit 50a in this way so that its bright orange lamp.This such long-time of measurement process
Ground repeats, until foreign matter 18a is turned off by operator's removal or sensing device 10a by operator.If the voltage difference calculated
ΔUIEqual to zero, then the foreign matter of foreign matter recognition unit 16a identifies failure.At this point, output element is controlled by computing unit 50a in this way
48a so that it sends out a warning.Then, sensing device 10a does not work automatically.
Detection is automatically begun to before operating in each charge operation.But in principle it is also contemplated that, charge operation is with rule
The detected outage in interval.
For charge operation and in order to detect operation, sensing accumulator plant 26a is placed on the housing of sensing device 10a
On the charging face 56a of unit 44a.Charging face 56a is parallel to substrate in preset state and extends and away from the substrate.Charging
56a settings in face are used for, and receive the sensing accumulator plant 26a for charge operation and detection operation.From filling for housing unit 44a
Electric face 56a sets out towards the direction at the center of sensing device 10a, is arranged in sensing device 10a：It is oscillation circuit electricity first
The induction coil 14a of road 12a, core unit 38a, the screen unit 58a of primary induction charging unit 32a and primary induction charging list
The electronic unit 36a of first 32a (except induction coil 14a).For protecting, electronic unit 36a's is main for screen unit 58a settings
Part is from the interference effect in magnetic field as caused by induction coil 14a or on the contrary.Electronic unit 36a is not further visibly
It is connect with the cable 60a fed for energy.
Sensing accumulator plant 26a is made of induction type hand tools accumulator plant.Sensing accumulator plant 26a has
Housing unit 62a.In addition, sensing accumulator plant 26a has battery unit 64a and secondary induction charhing unit 34a.Battery list
First 64a sets to store energy.In addition, battery unit 64a settings are for further visible manual formula toolroom machine does not supply
Energy.Battery unit 64a is arranged in housing unit 62a.Secondary induction charhing unit 34a is set in charge operation to be used for, with
The energy received of sensing device 10a charges to battery unit 64a.In detection is run, secondary induction charhing unit 34a leads to
Switch 66a and battery unit 64a is crossed to separate.Secondary induction charhing unit 34a has electronic unit 68a and core unit 70a.Core list
First 70a plate shape grounds form and including magnetic materials.Electronic unit 68a has tank circuit 72a and charged electrical element
74a.Tank circuit 72a has induction coil 76a.Induction coil 76a is circlewise formed.Induction coil 76a includes multiple
Electric conductor, the electric conductor extend in circumferential direction.Electric conductor twines in circumferential direction around theoretic winding axis 40a
Around.Induction coil 76a has main extension plane, and the main extension plane is perpendicular to winding axis 40a orientations.In addition, induction coil
76a has principal spread direction in main extension plane, and the principal spread direction is than induction coil 76a perpendicular to main extension plane
Extend big several times.Induction coil 76a forms a part for the oscillation circuit of tank circuit 72a.Secondary induction charhing unit
34a is arranged between battery unit 64a and the housing wall 78a of housing unit 62a.From housing wall 78a towards battery unit
The direction of 64a is arranged with：It is the core list of the induction coil 76a of tank circuit 72a, secondary induction charhing unit 34a first
The electronic unit 68a of first 70a, screen unit 80a and secondary induction charhing unit 34a (except induction coil 76a).Screen unit
80a setting be used for, protect electronic unit 68a pith and battery unit 64a from induction coil 76a interference effect or
Person is (Fig. 2) on the contrary.
Between sensing accumulator plant 26 and sensing device 10a, foreign matter 18a is arranged in contact area 46a.Foreign matter
18a is arranged in the region between the charging face 56a of the housing wall 78a and sensing device 10a of sensing accumulator plant 26a.
This, shown foreign matter 18a especially should symbolically represent foreign matter.
Sensing device 10a and sensing accumulator plant 26a form system 28a.
Fig. 3 shows to detect the running induction charging device 24a with sensing device 10a according to the present invention and sensing
The simplified electrical circuit diagram of accumulator plant 26a.Induction charging device 24a forms sensing device 10a.The circuit diagram of sensing device 10a
With tank circuit 12a, charged electrical element 42a and foreign matter recognition unit 16a.Tank circuit 12a has sensing
Coil 14a and capacitance 82a.Charged electrical element 42a has AC power 84a and frequency regulator part 54a.In addition, foreign matter is known
Other unit 16a has voltage measurement element 20a, with the switch test device 22a of 96a and component 30a.Implement corresponding to second
The test device 22a that example substitutes is represented by dashed line.AC power 84a is connect with the input side of frequency regulator part 54a.In frequency
Induction coil 14a is disposed on the outlet side of adjusting means 54a, capacitance 82a, voltage measurement element 20a, tests device 22a's
Switch 96a and component 30a.The switch 96a of test device 22a connects with component 30a.Test the switch 96a and component of device 22a
30a again with capacitance 82a and in parallel with voltage measurement element 20a.Switch 96a, the component of induction coil 14a and test device 22a
30a, capacitance 82a and voltage measurement element 20a series connection.Component 30a is made of resistance.If the switch 96a of test device 22a is closed
It closes, then component 30a is switched on.96a is switched to be controlled by test device 22a.In figure 3 in shown position, switch 96a is to open
, it means that first voltage U is measured by voltage measurement element 20a in the state shown1.Induction coil 14a and capacitance
82a constitutes the oscillation circuit of tank circuit 12a.
The circuit diagram for sensing accumulator plant 26a has tank circuit 72a, charged electrical element 74a and battery list
First 64a.Tank circuit 72a has induction coil 76a.Charged electrical element 74a has rectification circuit 86a.Rectification circuit
86a is made of bridged rectifier circuit.Rectification circuit 86a connect with tank circuit 72a in input side and to being applied to sensing
Voltage on coil 76a carries out rectification.The outlet side of rectification circuit 86a is connect with battery unit 64a.Rectification circuit 86a is with this
Kind mode is connect with battery unit 64a, so as to be charged by rectification circuit 86a to battery unit 64a, but cannot be put
Electricity.Switch 66a is disposed between rectification circuit 86a and battery unit 64a.For not further visible hand tool
Connector 88a is in parallel with battery unit 64a.
The induction coil 76a of the induction coil 14a relative induction accumulator plants 26a of sensing device 10a contactlessly cloth
It puts.
The switch 66a of sensing accumulator plant 26a can pass through the calculating of the foreign matter recognition unit 16a of sensing device 10a
Unit 50a further visible communication unit does not control.66a settings are switched between detection operation and charge operation
It converts back and forth.
Another embodiment of the present invention is shown in Fig. 4 to 6.Explanation is essentially limited between the embodiment below
Difference, wherein, the component remained unchanged, can be referring to figs. 1 to the explanation of 3 embodiment in terms of feature and function.For
The differentiation embodiment, the alphabetical a in the reference marker of the embodiment in Fig. 1 to 3 are marked by the reference of the embodiment of Fig. 4 to 5
Alphabetical b substitutions in note.For the component being identically denoted, particularly with the component with same reference mark, in principle
Diagram that can also be with reference to the embodiment of Fig. 1 and 2 and/or description.
Fig. 4 shows that the sensing accumulator plant 26b of the 10 ' b of sensing device with replacement according to the present invention and sensing are filled
Electric installation 24b, the sensing device have 16 ' b of 12 ' b of tank circuit and foreign matter recognition unit, they are in detection and run
In.10 ' b of sensing device is made of induction type hand tools device.10 ' b of sensing device is made of sensing accumulator plant 26b.
10 ' b of sensing device has 16 ' b of 12 ' b of tank circuit and foreign matter recognition unit.10 ' b of sensing device has housing unit
62b.In addition, 10 ' b of sensing device has battery unit 64b and secondary induction charhing unit 34b.Battery unit 64b settings are used for
Store energy.In addition, battery unit 64b settings are for further visible manual formula toolroom machine is not provided with energy.Battery list
First 64b is arranged in housing unit 62b.Secondary induction charhing unit 34b is set in charge operation to be used for, and is filled with induction charging
The energy received for putting 24b charges to battery unit 64b.In detection is run, secondary induction charhing unit 34b passes through switch
66b is separated with battery supply 64b.Secondary induction charhing unit 34b has electronic unit 68b and core unit 70b.Core unit 70b
Plate shape ground forms and including magnetic material.
The electronic unit 68b of secondary induction charhing unit 34b has 12 ' b of tank circuit, 16 ' b of foreign matter recognition unit
With charged electrical element 74b.12 ' b of tank circuit has 14 ' b of induction coil.14 ' b of induction coil is circlewise formed.Sense
14 ' b of coil is answered to include multiple electric conductors, the electric conductor extends in circumferential direction.Electric conductor is in circumferential direction around theory
On winding axis 40b winding.14 ' b of induction coil has main extension plane, and the main extension plane is perpendicular to winding axis 40b
Orientation.In addition, 14 ' b of induction coil has principal spread direction in main extension plane, the principal spread direction is than 14 ' b of induction coil
The big several times of the extension perpendicular to main extension plane.14 ' b of induction coil forms the one of the oscillation circuit of 12 ' b of tank circuit
Part.14 ' b of induction coil settings are used for, in order to which charge operation is produced electricl energy by magnetic field, to charge to battery unit 64b.Foreign matter
16 ' b of recognition unit settings are for the detection foreign matter 18b in detection operation.16 ' b of foreign matter recognition unit settings are used for, and are transported in detection
Foreign matter 18b in contact area 46b in row between detection sensor device 10 ' b and induction charging device 24b, the foreign matter resistance
Hinder charging process and/or may be caused in charging process to operator, sensing device 10 ' b and/or induction charging device 24b
Danger.In addition, 16 ' b of foreign matter recognition unit sets to examine the Functional Capability of itself.16 ' b of foreign matter recognition unit settings are used
In, detection run in examine the Functional Capability of itself.16 ' b of foreign matter recognition unit identifies the phase during operation is detected, in foreign matter
Between examine, 16 ' b of foreign matter recognition unit whether carries out foreign matter identification or foreign matter identifies whether failure.16 ' b of foreign matter recognition unit
With 48 ' b of output element.48 ' b of the output element is made of the LED of polychrome.Pass through 48 ' b of output element, foreign matter recognition unit
16 ' b output information to operator.If any foreign matter 18b is not present in contact area 46b during operation is detected,
48 ' b of output element gives a green light.If detect foreign matter 18b, the bright orange lamps of 48 ' b of output element during operation is detected.If
Determine that foreign matter identifies failure by 16 ' b of foreign matter recognition unit during operation is detected, then 48 ' b of output element sends out a warning.
16 ' b of foreign matter recognition unit has the 50 ' b of computing unit with 52 ' b of memory element.16 ' b of foreign matter recognition unit is also
With 20 ' b of voltage measurement element, voltage measurement element setting is used for, the 12 ' b of sensing tank circuit in detection is run
In voltage change.20 ' b of voltage measurement element settings are used for, the electricity in detection is run in 12 ' b of sensing tank circuit
Pressure drop.In addition, 16 ' b of foreign matter recognition unit has test 22 ' b of device, test device setting is for by tank circuit
12 ' b are detached from resonance.22 ' b the settings of test device are used for, and 12 ' b of tank circuit is detached from resonance by changing frequency.
In detection is run, 12 ' b of tank circuit reaches resonance by changing frequency.Here, input frequency passes through sense
The frequency regulator of the charged electrical element 42b of the electronic unit 36b of the primary induction charging unit 32b of inductive charging device 24b
Part 54b changes.16 ' b of foreign matter recognition unit controls frequency regulator part 54b by not further visible communication unit.
Then, the first voltage U on 12 ' b of tank circuit is measured by 20 ' b of voltage measurement element1.12 ' b of tank circuit
Measured first voltage U1It is passed on the 50 ' b of computing unit of 16 ' b of foreign matter recognition unit and is stored at this
On 52 ' b of memory element.22 ' the b of control test device in the next step of detection operation.Measuring first voltage U1Afterwards, it tests
22 ' b of device is not by the way that further visible communication unit controls frequency regulator part 54b, and to cause frequency shift, which changes
Become and 12 ' b of tank circuit is detached from resonance.But in principle it is also contemplated that, corresponding to first embodiment, test device 22 '
B connect for reduce 12 ' b of tank circuit quality 30 ' b of component.Then, it is shaken by 20 ' b measurements of voltage measurement element
Swing the second voltage U on 12 ' b of loop circuit2.The measured second voltage U of 12 ' b of tank circuit2It is also delivered to different
It is stored on 52 ' b of memory element on the 50 ' b of computing unit of 16 ' b of object recognition unit and at this.Then, it calculates and examines
First voltage U1With second voltage U2Between voltage difference delta UI.If the voltage difference delta U calculatedIIt is approximately equivalent to be stored in
Rated voltage difference Δ U in 52 ' b of memory elementS, then any foreign matter 18b is not present in contact area 46b.At this point, by calculating
50 ' b of unit controls 48 ' b of output element in this way so that it gives a green light and can start to charge up operation.If the electricity calculated
Pressure differential deltap UIIt is not approximately equivalent to the rated voltage difference Δ U being stored in 52 ' b of memory elementSAnd voltage difference delta UIIt is not equal to
Zero, then there are foreign matter 18b in contact area 46b.At this point, 48 ' b of output element is controlled by 50 ' b of computing unit in this way so that
Its bright orange lamp.This measurement process repeats for a long time in this way, until foreign matter 18b is by operator's removal or 10 ' b of sensing device
It is turned off by operator.If the voltage difference delta U calculatedIValue is zero, then the foreign matter identification failure of 16 ' b of foreign matter recognition unit.This
When, 48 ' b of output element is controlled by 50 ' b of computing unit in this way so that it sends out a warning.Then, 10 ' b of sensing device does not rise automatically
Effect.
Detection is automatically begun to before operating in each charge operation.But in principle it is also contemplated that, charge operation is with regular
Interval be detected outage.16 ' b of foreign matter recognition unit can be by switching 66b between charge operation and detection operation
It converts back and forth.
Secondary induction charhing unit 34b is arranged between battery unit 64b and the housing wall 78b of housing unit 62b.From shell
Body wall 78b sets out to be arranged with towards the direction of battery unit 64b：Be first 12 ' b of tank circuit 14 ' b of induction coil,
Core unit 70b, the screen unit 80b of secondary induction charhing unit 34b and the electronic unit 68b of secondary induction charhing unit 34b
(except 14 ' b of induction coil).Screen unit 80b sets to protect the pith of electronic unit 68b and battery unit 64b
Interference effect or (otherwise Fig. 5) from 14 ' b of induction coil.
For charge operation and in order to detect operation, 10 ' b of sensing device is placed on the housing list of induction charging device 24b
On the charging face 56b of first 44b.Charging face 56b is parallel to substrate in preset state and extends and away from substrate.Charging face
56b settings are used for, and 10 ' b of sensing device is received for charge operation and in order to detect operation.
Induction charging device 24b sets in charge operation and is used for, and will be charged with induction mode can be transmitted to sensing device
On 10 ' b.Induction charging device 24b has primary induction charging unit 32b.Primary induction charging unit 32b settings are used for,
Wirelessly energy is transmitted to from induction charging device 24b on 10 ' b of sensing device in charge operation.Primary induction charging
Unit 32b is set for converting electrical energy into magnetic field, which can be by the secondary induction charhing unit 34b of 10 ' b of sensing device
Electric energy is converted to again.Primary induction charging unit 32b has electronic unit 36b and core unit 38b.Core unit 38b plate shape ground structures
Into and including magnetic material.Electronic unit 36b has tank circuit 90b and charged electrical element 42b.Oscillation circuit electricity
Road 90b has induction coil 92b.Induction coil 92b is circlewise formed.Induction coil 92b includes multiple electric conductors, the conductance
Body extends in circumferential direction.Electric conductor is in circumferential direction around theoretic winding axis 40b windings.Induction coil 92b
With main extension plane, the main extension plane is perpendicular to winding axis 40a orientations.In addition, induction coil 92b is in main extension plane
In have principal spread direction, principal spread direction several times bigger than the extension perpendicular to main extension plane of induction coil 92b.Sensing
Coil 92b forms a part for the oscillation circuit of tank circuit 90b.Induction coil 92b settings are used for, for charge operation
By electric energy production magnetic field, to charge to 10 ' b of sensing device.From the charging face 56b of housing unit 44b towards induction charging
The direction at the center of device 24b is arranged in induction charging device 24b：It is the induction coil of tank circuit 90b first
The electronic unit of 92b, core unit 38b, the screen unit 58b of primary induction charging unit 32b and primary induction charging unit 32b
38b (in addition to induction coil 92b).Screen unit 58b sets to protect the pith of electronic unit 36b from by the line of induction
Enclose the interference effect or (otherwise Fig. 5) in the magnetic field that 92b is generated.Electronic unit 36b not further visibly with for feeding energy
The cable 60b connections of amount.
Between sensing device 10 ' b and induction charging device 24b, foreign matter 18b is arranged in contact area 46b.Foreign matter
18b is arranged in the region between the charging face 56b of the housing wall 78b and induction charging device 24b of 10 ' b of sensing device.
This, shown foreign matter 18b especially should symbolically represent foreign matter (Fig. 5).
Sensing device 10 ' b and induction charging device 24b form system 28b.
Fig. 6 show to detect the running sensing accumulator plant 26b with 10 ' b of sensing device according to the present invention and
The simplified electrical circuit diagram of induction charging device 24b.Sense electrical storage device 26b and form 10 ' b of sensing device.The electricity of 10 ' b of sensing device
Road figure has 12 ' b of tank circuit, 16 ' b of charged electrical element 74b, battery unit 64b and foreign matter recognition unit.It vibrates back
Circuit 12 ' b in road has induction coil 14 ' b and capacitance 94b.In addition, 16 ' b of foreign matter recognition unit has 20 ' b of voltage measurement element
With test 22 ' b of device.22 ' b of test device being substituted corresponding to first embodiment, having 96 ' b of 30 ' b of component and switch is used
Dotted line represents.Charged electrical element 74b has rectification circuit 86b.Rectification circuit 86b is made of bridged rectifier circuit.Rectification circuit
86b is connect in input side with 12 ' b of tank circuit and the voltage to being applied on 14 ' b of induction coil carries out rectification.
14 ' b of induction coil, capacitance 94b and 20 ' b of voltage measurement element are disposed on the input side of rectification circuit 86b.Capacitance 94b and electricity
Pressure 20 ' b of measuring cell is mutually in parallel.14 ' b of induction coil connects with capacitance 94b and with 20 ' b of voltage measurement element.Induction coil
14 ' b and capacitance 94b form the oscillation circuit of 12 ' b of tank circuit.The outlet side of rectification circuit 86b and battery unit 64b
Connection.Rectification circuit 86b is connect in this way with battery unit 64b, so as to by rectification circuit 86b to battery unit
64b charges, but cannot discharge.Switch 66b is disposed between rectification circuit 86b and battery unit 64b.Switching 66b can be with
It is controlled by the 50 ' b of computing unit of the 16 ' b of foreign matter recognition unit of 10 ' b of sensing device.For not further visible hand tools
The connector 88b of machine is in parallel with battery unit 64b.
14 ' the b of induction coil of 10 ' b of sensing device relative to induction charging device 24b induction coil 92b contactlessly
Arrangement.
The circuit diagram of induction charging device 24b has tank circuit 90b and charged electrical element 42b.Oscillation circuit
Circuit 90b has induction coil 92b and capacitance 82b.Charged electrical element 42b has AC power 84b and frequency regulator part
54b.AC power 84b is connect with the input side of frequency regulator part 54b.It is arranged on the outlet side of frequency regulator part 54b
There are induction coil 92b and capacitance 82b.Induction coil 92b connects with capacitance 82b.Induction coil 92b and capacitance 82b are constituted and are shaken
Swing the oscillation circuit of loop circuit 90b.
Claims (14)
1. a kind of sensing device, has：Tank circuit (12a；12 ' b), and the tank circuit has induction coil
(14a；14′b)；Foreign matter recognition unit (16a；16 ' b), and the foreign matter recognition unit setting is different for being detected in detection operation
Object (18a；18b)；It is characterized in that, the foreign matter recognition unit (16a；16 ' b) set to check the Functional Capability of itself.
2. sensing device according to claim 1, which is characterized in that the foreign matter recognition unit (16a；16 ' b) set use
In at least in the Functional Capability of detection in-service inspection itself.
3. sensing device according to claim 1 or 2, which is characterized in that the foreign matter recognition unit (16a；16 ' b) have
There is at least one voltage measurement element (20a；20 ' b), and the voltage measurement element setting is for described in the detection in detection operation
Tank circuit (12a；12 ' b) in voltage change.
4. sensing device according to claim 3, which is characterized in that the voltage measurement element (20a；20 ' b) set use
Tank circuit (the 12a is detected in being run in detection；12 ' b) in voltage drop.
5. sensing device according to claim 1 or 2, which is characterized in that the foreign matter recognition unit (16a；16 ' b) have
There is at least one test device (22a；22 ' b), and the test device sets to reduce the tank circuit (12a；12′
B) quality and/or make the tank circuit (12a；12 ' b) are detached from resonance.
6. sensing device according to claim 1, which is characterized in that the sensing device is sensing hand tools device.
7. one kind has the induction charging device of sensing device according to any one of claim 1 to 6 (10a).
8. one kind has the sensing accumulator plant of sensing device according to any one of claim 1 to 6 (10 ' b).
9. there is one kind sensing accumulator plant (26a) and induction charging device according to claim 7 (24a) to be
System.
10. one kind has induction charging device (24b) and according to claim 8 sense accumulator plant (26b) and be
System.
11. a kind of utilize tank circuit (12a；12 ' b) and foreign matter recognition unit (16a；16 ' method b), the oscillation
Loop circuit has induction coil (14a；14 ' b), foreign matter recognition unit detection foreign matter (18a in detection is run；18b),
It is characterized in that, the foreign matter recognition unit (16a；16 ' b) check the Functional Capability of itself.
12. according to the method for claim 11, which is characterized in that the tank circuit (12a；12 ' b) transport in detection
Resonance is carried out by least one frequency shift in row, and then passes through voltage measurement element (20a；20 ' b) measure described in shake
Swing loop circuit (12a；12 ' b) on first voltage U1。
13. according to the method for claim 11, which is characterized in that the foreign matter recognition unit (16a；16 ' b) have test
Device (22a；22 ' b), and the test device is measuring first voltage U in detection is run1Later by connecting at least one structure
Part (30a；30 ' b) reduce the tank circuit (12a；12 ' quality b), and then pass through voltage measurement element
(20a；20 ' b) measure the tank circuit (12a；12 ' b) on second voltage U2, and the first voltage U1With
The second voltage U2Between voltage difference delta UIIt is examined.
14. according to the method for claim 11, which is characterized in that the foreign matter recognition unit (16a；16 ' b) have test
Device (22a；22 ' b), and the test device is measuring first voltage U in detection is run1Changed later by least one frequency
Change makes the tank circuit (12a；12 ' b) are detached from resonance, and then pass through voltage measurement element (20a；20 ' b) survey
Measure the tank circuit (12a；12 ' b) on second voltage U2, and the first voltage U1With the second voltage U2
Between voltage difference delta UIIt is examined.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012112993.2 | 2012-12-21 | ||
| DE201210112993 DE102012112993A1 (en) | 2012-12-21 | 2012-12-21 | Induction device for e.g. induction charging device for e.g. hand tool device, has foreign object recognition unit detecting foreign objects in detection operation and designed to check own functional capacity in detection direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103887893A CN103887893A (en) | 2014-06-25 |
| CN103887893B true CN103887893B (en) | 2018-06-15 |
Family
ID=50878526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310757476.5A Expired - Fee Related CN103887893B (en) | 2012-12-21 | 2013-12-19 | Sensing device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103887893B (en) |
| DE (1) | DE102012112993A1 (en) |
| FR (1) | FR3000226B1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014212258A1 (en) * | 2014-06-26 | 2015-12-31 | Robert Bosch Gmbh | An induction energy transmission device and method for detecting position and / or presence by means of an induction energy transmission device |
| DE102014219968A1 (en) | 2014-10-01 | 2016-04-07 | Robert Bosch Gmbh | Foreign object recognition method for an induction charging device and induction charging device |
| DE102015216038A1 (en) * | 2015-08-21 | 2017-02-23 | Robert Bosch Gmbh | Hand machine tool loader |
| FR3043275B1 (en) * | 2015-10-28 | 2019-03-15 | Continental Automotive France | METHOD FOR DETECTING A METAL OBJECT IN THE TRANSMIT ZONE OF A DEVICE FOR RECHARGING A USER EQUIPMENT FOR A MOTOR VEHICLE |
| KR102605844B1 (en) * | 2017-01-13 | 2023-11-27 | 주식회사 위츠 | Foreign object detection circuit and apparatus for transmiting power wirelessly using the same |
| DE102017214747A1 (en) * | 2017-02-10 | 2018-08-16 | Robert Bosch Gmbh | Method for operating an induction charging device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239619A (en) * | 2008-10-03 | 2011-11-09 | 捷通国际有限公司 | Power system |
| CN102457107A (en) * | 2010-10-15 | 2012-05-16 | 索尼公司 | Electronic apparatus, power feeding method, and power feeding system |
| CN102570623A (en) * | 2010-12-27 | 2012-07-11 | 佛山市顺德区顺达电脑厂有限公司 | Wireless power supply control device and method |
-
2012
- 2012-12-21 DE DE201210112993 patent/DE102012112993A1/en not_active Withdrawn
-
2013
- 2013-12-18 FR FR1362858A patent/FR3000226B1/en not_active Expired - Fee Related
- 2013-12-19 CN CN201310757476.5A patent/CN103887893B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239619A (en) * | 2008-10-03 | 2011-11-09 | 捷通国际有限公司 | Power system |
| CN102457107A (en) * | 2010-10-15 | 2012-05-16 | 索尼公司 | Electronic apparatus, power feeding method, and power feeding system |
| CN102570623A (en) * | 2010-12-27 | 2012-07-11 | 佛山市顺德区顺达电脑厂有限公司 | Wireless power supply control device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103887893A (en) | 2014-06-25 |
| FR3000226B1 (en) | 2018-11-16 |
| FR3000226A1 (en) | 2014-06-27 |
| DE102012112993A1 (en) | 2014-06-26 |
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