CN107465242A - A kind of wireless charging receiver and wireless charging system - Google Patents
A kind of wireless charging receiver and wireless charging system Download PDFInfo
- Publication number
- CN107465242A CN107465242A CN201710784681.9A CN201710784681A CN107465242A CN 107465242 A CN107465242 A CN 107465242A CN 201710784681 A CN201710784681 A CN 201710784681A CN 107465242 A CN107465242 A CN 107465242A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000005674 electromagnetic induction Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H02J7/025—
-
- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of wireless charging receiver and wireless charging system.Wherein, wireless charging receiver includes:First electromagnetic switching circuit, the electromagnetic signal for wireless charging emitter to be launched are converted into ac signal;First control circuit, the charging voltage current desired for detecting charging object, and export the first control instruction for indicating current desired charging voltage;AC DC change-over circuit, including be connected with electromagnetic conversion circuit first input end, be connected with first control circuit the second input and the output end for being connected with charging object, for responding the first control instruction of first control circuit output, the ac signal that first electromagnetic switching circuit exports is converted into magnitude of voltage and is equal to the DC signal of current desired charging voltage, and exports DC signal.By the above-mentioned means, the present invention can reduce energy conversion loss, charge efficiency can be improved.
Description
Technical field
The present invention relates to wireless charging control technology field, more particularly to a kind of wireless charging receiver and wireless charging
Electric system.
Background technology
With the continuous development of electronic technology, different mobile terminals has to rely on matched in traditional charging modes
Charging wire could be charged, the charge requirement of people can not be met.And the use that wireless charging technology has due to it
Simply, conveniently, it is durable the features such as, can be achieved a wireless charger different mobile terminals is charged, gradually substitution
Traditional charging technique.
When present wireless charger is carrying out wireless charging, the receiving terminal of wireless charger is needed the friendship received
Stream electric signal is converted to DC signal, then the DC signal is converted to again the straight letter of charging object required voltage
Number, cause most of energy to be lost in the form of heat energy so that charge efficiency is low, can not meet need of the user to charge efficiency
Ask, satisfaction of users is poor, therefore, it is necessary to propose a kind of new wireless charger to solve above-mentioned technical problem.
The content of the invention
, can the present invention solves the technical problem of a kind of wireless charging receiver and wireless charging system is provided
Energy conversion loss is reduced, charge efficiency can be improved.
In order to solve the above technical problems, one aspect of the present invention is:A kind of wireless charging is provided and receives dress
Put, including:First electromagnetic switching circuit, the electromagnetic signal for wireless charging emitter to be launched are converted into exchanging telecommunications
Number;First control circuit, the charging voltage current desired for detecting charging object, and export for indicating current desired charging
First control instruction of voltage;AC-DC change-over circuit, including be connected with electromagnetic conversion circuit first input end, with the
One control circuit connects the second input and the output end for being connected with charging object, defeated for responding first control circuit
The first control instruction gone out, the ac signal that the first electromagnetic switching circuit exports is converted into magnitude of voltage and is equal to current desired fill
The DC signal of piezoelectric voltage, and export DC signal.
In order to solve the above technical problems, another technical solution used in the present invention is:A kind of wireless charging system is provided,
Including:Wireless charging emitter and above-mentioned wireless charging receiver, wherein, wireless charging dispensing device is used for will exchange
Electric signal is converted into electromagnetic signal;Wireless charging receiver is used to convert electromagnetic signal into and the object that charges is current desired
The DC signal of charging voltage matching, and DC signal is exported to charging object.
The beneficial effects of the invention are as follows:It is different from the situation of prior art, in wireless charging receiver of the invention,
The electromagnetic signal that wireless charging emitter is launched is converted into ac signal by one electromagnetic switching circuit;First control circuit is examined
The current desired charging voltage of charging object is surveyed, and exports the first control instruction for indicating current desired charging voltage;Hand over
Stream-DC converting circuit is used for the first control instruction for responding first control circuit output, and the first electromagnetic switching circuit is exported
Ac signal be converted into the DC signal that magnitude of voltage is equal to current desired charging voltage, and export DC signal, make
First control circuit is obtained can directly to eliminate from alternating current with the DC voltage of control input charging object and be converted to direct current
Electricity, then the process of direct current is converted to from direct current, therefore reduce the loss of energy conversion in charging process, improve charging
Efficiency, and also reduce the radiating cost of charging equipment.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the embodiment of wireless charging receiver one of the present invention;
Fig. 2 is a kind of structural representation of another embodiment of wireless charging receiver of the present invention;
Fig. 3 is a kind of embodiment circuit diagram of wireless charging receiver one of the present invention;
Fig. 4 is a kind of structural representation of the embodiment of wireless charging system one of the present invention.
Embodiment
Referring to Fig. 1, Fig. 1 is a kind of structural representation of the embodiment of wireless charging receiver one of the present invention.Such as Fig. 1
Shown, the wireless charging receiver 10 in present embodiment includes:First electromagnetic switching circuit 11, first control circuit 12,
AC-DC change-over circuit 13 and charging object 14.Wherein, the first input end connection the of AC-DC change-over circuit 13
One electromagnetic switching circuit 11, the second input connection first control circuit 12, input connection charging object 14.In addition, first
Control circuit 12 also includes a test side, the test side connection charging object 14 of first control circuit 12.
Specifically, the electromagnetic signal that the first electromagnetic switching circuit 11 is used to launch wireless charging emitter, which is changed, to strike a bargain
Flow electric signal.
First control circuit 12 is used for the current desired charging voltage for detecting charging object 14, and exports for indicating to work as
First control instruction of charging voltage needed for preceding.
AC-DC change-over circuit 13 is used for the first control instruction for responding the output of first control circuit 12, by the first electricity
The ac signal that magnetic change-over circuit 11 exports is converted into the DC signal that magnitude of voltage is equal to current desired charging voltage, and defeated
Go out DC signal.Specifically, the first control instruction refers to the instruction that needs are charged, and required for the object 14 that charges
Specific charging voltage value.
Further, first control circuit 12 is additionally operable to reach threshold voltage in the current voltage for detecting charging object 14
When, export the second control instruction.AC-DC change-over circuit 13 is used for when receiving the second control instruction, stops output.Tool
Body, the second control instruction refers to that charging object 14 has been filled with electricity, stops the instruction being charged.
Alternately, first control circuit 12 is additionally operable to reach threshold voltage in the current voltage for detecting charging object 14
When, the first electromagnetic switching circuit 11 of control disconnects with AC-DC change-over circuit 13.
Specifically, the first electromagnetic switching circuit 11 is receiving coil, is entered with the transmitting coil in wireless charging emitter
Row coupling, for receiving ac signal.
Specifically, charging object 14 can be that mobile phone, tablet personal computer, notebook computer, palm PC, mobile Internet are set
Standby (MID, Mobile Internet Device), wearable device (intelligent watch, Intelligent bracelet) or other can be used for charging
Terminal device.
In present embodiment, the electromagnetic signal that the first electromagnetic switching circuit launches wireless charging emitter changes conclusion of the business
Flow electric signal;The current desired charging voltage of first control circuit detection charging object, and export for indicating current desired fill
First control instruction of piezoelectric voltage;AC-DC change-over circuit is used for the first control instruction for responding first control circuit output,
The ac signal that first electromagnetic switching circuit exports is converted into direct current telecommunications of the magnitude of voltage equal to current desired charging voltage
Number, and exporting DC signal so that first control circuit can directly be saved with the DC voltage of control input charging object
From alternating current direct current is converted to, then the process of direct current is converted to from direct current, therefore reduce energy in charging process
The loss of conversion, charge efficiency is improved, and also reduce the radiating cost of charging equipment.
Referring to Fig. 2, Fig. 2 is a kind of structural representation of another embodiment of wireless charging receiver of the present invention.Such as
Shown in Fig. 2, the wireless charging receiver 20 in present embodiment includes:First electromagnetic switching circuit 21, AC-DC conversion
Circuit 22, first control circuit 23, charging object 24.Wherein, AC-DC change-over circuit 22 includes rectification module 221 and electricity
Press adjusting module 222.Specifically, receiving coil 21 connects rectification module 221, and rectification module 221 connects voltage regulator module
222, another input connection first control circuit 23 of voltage regulator module 222, the output end of voltage regulator module 222 connection is filled
Electric object 24, the test side connection charging object 24 of first control circuit 23.
In the present embodiment, the first electromagnetic switching circuit 21 is specifically receiving coil.
Receiving coil 21 is used to be coupled according to electromagnetic induction, and the electromagnetic signal received is converted into ac signal.
Rectification module 221 is used to the ac signal that receiving coil 21 exports being converted into DC signal.
The control instruction that voltage regulator module 222 is used to be exported according to first control circuit 23 adjusts DC signal, and
DC signal extremely charging object 24 after output adjustment.
First control circuit 23 is used for the charging voltage for detecting charging object 24, and in the charging for detecting charging object 24
When voltage tends to voltage threshold, send control instruction to VRM Voltage Regulator Module 222, with cause VRM Voltage Regulator Module 222 stop to
Charge the input voltage of object 24.
In a wherein embodiment specifically, as shown in figure 3, Fig. 3, which is a kind of wireless charging of the present invention, receives dress
Put an embodiment circuit diagram.In figure 3, first control circuit 23 specifically includes the first control chip 31 of interconnection
With light emitting diode 32, the first control chip 31 is used for the current power state for obtaining charging object 24, and according to current electric quantity
State control light emitting diode 32 is in luminous situation accordingly.Voltage regulator module 222 specifically include the second control chip 33,
Photodiode 34, triode 35 and voltage adjuster 36, wherein, the input of the second control chip 33 connects photosensitive two pole
The control terminal of pipe 34, output end connecting triode 35, the input connection rectification module 221 and triode 35 of voltage adjuster 36
Input, output end be used for connect charging object 25, the output head grounding of triode 35;Second control chip 33 is used to receive
The electric signal according to caused by the luminous situation of light emitting diode 32 of photodiode 34, and triode 35 is controlled according to electric signal
ON time;Voltage adjuster 36 adjusts the voltage of output according to the ON time of triode 35.Specifically, light emitting diode 32
In corresponding luminous situation be light emitting diode 32 send the light pulse of predetermined number or light emitting diode 32 send it is default
Intensity of illumination.
In addition, light emitting diode 32 connects the pin VDD of the first control chip 31, the first control chip 31 is also connected with voltage
Adjuster 36 and charging object 38, photodiode 34 connect the FB of the second control chip 33, and the second control chip 33 is also connected with
Voltage adjuster 36 and rectification circuit 37.Specifically, the pin QP/QN of the first control chip 31 is used to obtain charging object 38
Current power state, and control light emitting diode 32 to be in luminous situation accordingly according to current power state.Second control core
Piece 33 is used to receive the electric signal according to caused by the luminous situation of light emitting diode 32 of photodiode 34, and according to electric signal control
The ON time of triode 35 processed;Voltage adjuster 36 adjusts the voltage of output according to the ON time of triode 35.For example, hair
The charging object 38 that optical diode 32 detects according to the first control chip 31 needs the signal to be charged, within 1s time
10 light pulses are sent, after photodiode 34 receives 10 light pulses that light emitting diode 32 is sent, the second control chip
33 signals received according to photodiode 34, control triode 35 adjust its ON time so that voltage adjuster 36 can
Corresponding voltage is inputted to the object 38 that charges.
Specifically, light emitting diode 32 sends the light pulse of predetermined number or light emitting diode 32 sends default illumination
Intensity, the signal that photodiode 34 is sent according to light emitting diode 32 feed back corresponding signal to the second control chip 33, made
The second control chip 33 change the control terminal of triode 35 signal account for wide ratio so that voltage adjuster 36 export it is different
Direct current extremely charging object 38.
In addition, the first control chip 31 is additionally operable to receive the signal of the controller transmitting of wireless charging emitter, go forward side by side
Row feedback, to cause wireless charging emitter transmission of electromagnetic signals to the receiving coil of wireless charging receiver.
In present embodiment, the electromagnetic signal that the first electromagnetic switching circuit launches wireless charging emitter changes conclusion of the business
Flow electric signal;The current desired charging voltage of first control circuit detection charging object, and export for indicating current desired fill
First control instruction of piezoelectric voltage;AC-DC change-over circuit is used for the first control instruction for responding first control circuit output,
The ac signal that first electromagnetic switching circuit exports is converted into direct current telecommunications of the magnitude of voltage equal to current desired charging voltage
Number, and exporting DC signal so that first control circuit can directly be saved with the DC voltage of control input charging object
From alternating current direct current is converted to, then the process of direct current is converted to from direct current, therefore reduce energy in charging process
The loss of conversion, charge efficiency is improved, and also reduce the radiating cost of charging equipment.
Referring to Fig. 4, Fig. 4 is a kind of structural representation of the embodiment of wireless charging system one of the present invention.Such as Fig. 4 institutes
Show, present embodiment includes wireless charging dispensing device 40 and wireless charging receiver 10, the nothing in present embodiment
Line charging receiver 10 is the wireless charging receiver in above-mentioned embodiment.Wherein, wireless charging dispensing device 40 is used
In ac signal is converted into electromagnetic signal;Wireless charging receiver 10 is used to convert electromagnetic signal into and the object that charges
The DC signal of 14 current desired charging voltage matchings, and DC signal is exported to charging object 14.
Wherein, wireless charging dispensing device 40 include DC-ac conversion circuit 41, the second electromagnetic switching circuit 42 and
Second control circuit 43.Specifically, the second electromagnetic switching circuit 42 connects the control of DC-ac conversion circuit 41 and second respectively
Circuit 43.Specifically, second control circuit 43 is used to carry out in real time with the first control circuit 12 of wireless charging receiver 10
Communication, to cause the transmission of electromagnetic signals of the second electromagnetic switching circuit 42.
Specifically, the second electromagnetic switching circuit 42 is transmitting coil, and transmitting coil is used to turn the ac signal of input
Change electromagnetic signal into.
In addition, wireless charging dispensing device 40 also includes detection circuit 44, detection circuit 44 connects the second electromagnetism and turned respectively
Change circuit 42 and second control circuit 43.Detection circuit 44, which is used to detect and monitor electric current in the second electromagnetic switching circuit 42, to be believed
Number, the temperature of the coupling coil of the voltage in DC-ac conversion circuit 41, the second electromagnetic switching circuit 42.Second electromagnetism turns
The size for changing the current value of the coupling coil of circuit 42 directly affects the size of transimission power, monitors the effect of the signal and is:One
It is to be used for when standby judging whether emission end surface has object, it is small when the signal value ratio does not have an object when having object, second,
In power transmission process, the size of the size reflection current transmission power of the signal value, is that the input of second control circuit 43 becomes
One of amount, the result of decision of second control circuit 43 can be influenceed.Voltage in DC-ac conversion circuit 41 is crossed conference and caused
The damage of device in circuit, it is too small and normal power transmission can be influenceed, therefore to voltage in DC-ac conversion circuit 41
Detection is primarily to ensure the normal work of system and the safety of system device.The coupling coil of second electromagnetic switching circuit 42
Because its own has certain resistance, thus can be generated heat when the electric current that run duration is long and flows through is bigger, and coupling
The temperature of zygonema circle is too high not only to produce unsafe factor, can also influence Consumer's Experience, it is therefore desirable to monitor coupling coil
Problem, and when temperature exceedes threshold value, the instruction of pause transmission of electromagnetic signals is sent to second control circuit 43.
Wireless charging system in present embodiment includes wireless charging dispensing device and wireless charging receiver, its
In, wireless charging receiver includes:First electromagnetic switching circuit, for the electromagnetic signal for launching wireless charging emitter
It is converted into ac signal;First control circuit, the charging voltage current desired for detecting charging object, and export for referring to
Show the first control instruction of current desired charging voltage;AC-DC change-over circuit, for responding first control circuit output
First control instruction, the ac signal that the first electromagnetic switching circuit exports is converted into magnitude of voltage and is equal to current desired charging electricity
The DC signal of pressure, and export DC signal so that first control circuit directly can be with the straight of control input charging object
Piezoelectric voltage is flowed, eliminates from alternating current and is converted to direct current, then the process of direct current is converted to from direct current, therefore reduces and fills
The loss of energy conversion in electric process, charge efficiency is improved, and also reduce the radiating cost of charging equipment.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (10)
- A kind of 1. wireless charging receiver, it is characterised in that including:First electromagnetic switching circuit, the electromagnetic signal for wireless charging emitter to be launched are converted into ac signal;First control circuit, the charging voltage current desired for detecting charging object, and export for indicating the current institute Need the first control instruction of charging voltage;AC-DC change-over circuit, including the first input end being connected with the electromagnetic conversion circuit and the described first control electricity Road connects the second input and the output end for being connected with the charging object, defeated for responding the first control circuit The first control instruction gone out, the ac signal that first electromagnetic switching circuit exports is converted into magnitude of voltage and is equal to described work as The DC signal of charging voltage needed for preceding, and export the DC signal.
- 2. device according to claim 1, it is characterised in thatThe first control circuit is additionally operable to when the current voltage for detecting the charging object reaches threshold voltage, output the Two control instructions;The AC-DC change-over circuit is used for when receiving second control instruction, stops output.
- 3. device according to claim 1, it is characterised in thatThe first control circuit is additionally operable to, when the current voltage for detecting the charging object reaches threshold voltage, control institute The first electromagnetic switching circuit is stated to disconnect with the AC-DC change-over circuit.
- 4. device according to claim 1, it is characterised in thatFirst electromagnetic switching circuit includes receiving coil, and the receiving coil is used to be coupled according to electromagnetic induction, will received To electromagnetic signal be converted into ac signal.
- 5. device according to claim 1, it is characterised in that the AC-DC change-over circuit includes:Rectification module, first electromagnetic switching circuit is connected to, for the exchange for exporting first electromagnetic switching circuit Electric signal is converted into DC signal;Voltage regulator module, the rectification module, the first control circuit are connected to, for according to the described first control The control instruction of circuit output adjusts the DC signal, and exports the DC signal after the adjustment.
- 6. device according to claim 1, it is characterised in thatThe first control circuit includes the first control chip and light emitting diode being connected with each other, and first control chip is used It is in the current power state for obtaining the charging object, and according to the current power state control light emitting diode Luminous situation accordingly;The voltage regulator module includes photodiode, the second control chip, triode and voltage adjuster, wherein, institute The input for stating the second control chip connects the photodiode, output end connects the control terminal of the triode, the electricity The input of pressure adjuster connects the rectification module and the input, output end of the triode is used to connect the charging pair As the output head grounding of the triode;Second control chip is used to receive the photodiode according to described luminous Electric signal caused by the luminous situation of diode, and the triode ON time is controlled according to the electric signal;The voltage Adjuster adjusts the voltage of output according to the ON time of the triode.
- 7. device according to claim 6, it is characterised in thatThe light emitting diode be in corresponding luminous situation be the light emitting diode send predetermined number light pulse or The light emitting diode sends default intensity of illumination.
- A kind of 8. wireless charging system, it is characterised in that including:Wireless charging emitter and the wireless charging receiver as described in any one of claim 1 to 7, wherein, the nothing Micro USB electricity dispensing device is used to ac signal being converted into electromagnetic signal;The wireless charging receiver is used for the electricity Magnetic signal is converted into the DC signal that the charging voltage current desired with charging object matches, and the DC signal is defeated Go out to the charging object.
- 9. system according to claim 8, it is characterised in thatThe wireless charging emitter includes DC-ac conversion circuit, the second electromagnetic switching circuit and second control circuit, The DC-ac conversion circuit, the second control circuit connect second electromagnetic switching circuit respectively, wherein:The second control circuit is used to carry out real-time Communication for Power with the first control circuit of the wireless charging receiver, so that Obtain the second electromagnetic switching circuit transmission of electromagnetic signals.
- 10. system according to claim 8, it is characterised in thatSecond electromagnetic switching circuit of the wireless charging emitter includes transmitting coil, and the transmitting coil is used for will input Ac signal be converted into electromagnetic signal.
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CN201710784681.9A CN107465242A (en) | 2017-09-01 | 2017-09-01 | A kind of wireless charging receiver and wireless charging system |
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CN201710784681.9A CN107465242A (en) | 2017-09-01 | 2017-09-01 | A kind of wireless charging receiver and wireless charging system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111246079A (en) * | 2019-03-21 | 2020-06-05 | 泰州市赛得机电设备有限公司 | Intelligent signal adjusting method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102647030A (en) * | 2012-03-31 | 2012-08-22 | 海尔集团公司 | Wireless electric energy transmitting device and wireless electric energy power supply system |
CN103618355A (en) * | 2013-11-29 | 2014-03-05 | 深圳Tcl新技术有限公司 | Wireless charging method, emitting device, receiving device and wireless charging system |
US9350193B2 (en) * | 2011-06-01 | 2016-05-24 | Samsung Electronics Co., Ltd. | Method and apparatus for detecting load fluctuation of wireless power transmission |
CN106505705A (en) * | 2016-11-09 | 2017-03-15 | 深圳天珑无线科技有限公司 | Charger and charging system |
-
2017
- 2017-09-01 CN CN201710784681.9A patent/CN107465242A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9350193B2 (en) * | 2011-06-01 | 2016-05-24 | Samsung Electronics Co., Ltd. | Method and apparatus for detecting load fluctuation of wireless power transmission |
CN102647030A (en) * | 2012-03-31 | 2012-08-22 | 海尔集团公司 | Wireless electric energy transmitting device and wireless electric energy power supply system |
CN103618355A (en) * | 2013-11-29 | 2014-03-05 | 深圳Tcl新技术有限公司 | Wireless charging method, emitting device, receiving device and wireless charging system |
CN106505705A (en) * | 2016-11-09 | 2017-03-15 | 深圳天珑无线科技有限公司 | Charger and charging system |
Non-Patent Citations (2)
Title |
---|
杨恒: "《开关电源典型设计实例精选》", 30 September 2007, 中国电力出版社 * |
胡存生等: "《集成开关电源的设计制作调试与维修》", 30 April 1995, 人民邮电出版社 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111246079A (en) * | 2019-03-21 | 2020-06-05 | 泰州市赛得机电设备有限公司 | Intelligent signal adjusting method |
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Application publication date: 20171212 |