CN207442493U - A kind of device that multiple electrical appliances can be achieved and charge simultaneously - Google Patents
A kind of device that multiple electrical appliances can be achieved and charge simultaneously Download PDFInfo
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- CN207442493U CN207442493U CN201721525545.XU CN201721525545U CN207442493U CN 207442493 U CN207442493 U CN 207442493U CN 201721525545 U CN201721525545 U CN 201721525545U CN 207442493 U CN207442493 U CN 207442493U
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Abstract
The utility model discloses a kind of device that multiple electrical appliances can be achieved while charge, including：Power module, one-chip computer module, main control chip module, switch module, coil module；Each main control chip in the main control chip module is connected respectively by switching molding several switches in the block with several coil units in coil module；The break-make with each main control chip in main control chip module is each switched in the one-chip computer module control switch module, so as to control the coil unit being connected with the main control chip, after the coil unit in coil module receives the charging control signal of main control chip, which starts outwards to transmit electric energy.The utility model not only realizes screening to the device for needing to charge in a certain range, and the transmitting coil without setting position to be charged is controlled to stop electric discharge, moreover it is possible to realize multiple devices to be charged while wireless charging in a certain range, realize the charging of a wide range of charging unit.
Description
Technical field
It charges simultaneously the utility model is related to wireless charging technical field more particularly to a kind of achievable multiple electrical appliances
Device.
Background technology
Wireless charging device be different from wired charging a big advantage be wireless charging device charge freedom and can
Embeddability.When being charged by wireless charging device, as long as wireless charging module is embedded into desk, on chair handle,
User can when talking public affair, the when of waiting, accomplish to put down mobile phone charging whenever and wherever possible when even friend meets.
Current wireless charging technology mainly using electromagnetic induction principle, by electromagnetic induction principle transmission energy need by
One transmitting coil emits electromagnetic wave, another coil receives electromagnetic wave.Electric energy is received and dispatched by the transmission of electromagnetic wave, is realized
The wireless charging of mobile terminal.In order to improve degree of freedom when terminal is electrically charged, expand effective charging area of wireless charging, in fact
Existing mobile terminal freely charges within the specific limits, and the wireless charging technology based on multiple transmitting coils is come into being.
Man-to-man charge mode is expanded to many-one, the form of multi-to-multi by the wireless charging technology of multiple coils.One
A wireless charging device includes receiver and transmitter, and wherein receiver and transmitter transmits energy by its respective charge coil
Amount.The inductance value of charge coil on transmitter usually requires very big effectively to transmit energy with the receiving coil on recipient
Amount.When the receiving coil for receiving end module is placed on transmitting coil array, corresponding coil transmissions on transmitting coil array
Electromagnetic wave is powered to receiving module.
However, since wireless charger has multiple coils, if each coil keeps charged state simultaneously, for electricity
Loss it is huge, can not only damage band charging unit, also bring along security risk.It would therefore be desirable to a kind of control coil battle array
The scheme of each coil charges state in row, in certain effectively chargeable range the coil to charge being needed to realize screening, so as to reach
To the notable purpose for saving electric energy.The prior art is defective, it is necessary to improve.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of achievable multiple electrical appliances and charge simultaneously
Device.
The technical solution of the utility model is as follows：A kind of device that multiple electrical appliances can be achieved and charge simultaneously, including：Power supply
Module, one-chip computer module, main control chip module, switch module, coil module；
The power module is electrically connected respectively with one-chip computer module, main control chip module, switch module and coil module,
For the power supply of whole device；
The one-chip computer module is electrically connected respectively with main control chip module and switch module；
The main control chip module is also electrically connected with switch module, and the main control chip module includes several master control cores
Piece is electrically connected respectively with the one-chip computer module；
The switch module includes several switches, is electrically connected respectively with one-chip computer module；
The coil module is electrically connected with switch module, and coil module includes multiple coil units, each coil unit
It is electrically connected respectively with several switches set in switch module；Each main control chip in the main control chip module leads to respectively
Several switches set in switch module are crossed to be connected with several coil units set in coil module；
It is each switched on-off in the one-chip computer module control switch module, by a certain master in main control chip module
Control chip is connected to the coil module for needing to control；Each main control chip in the one-chip computer module control main control chip module
Break-make, so as to control the coil unit being connected with the main control chip, when the coil unit in coil module receives master control
After the charging control signal of chip, which starts outwards to transmit electric energy.
Further, each main control chip includes：PWM1 signal ends, PWM2 signal ends and feedback signal terminal；Each coil
Unit is electric with the PWM1 signal ends, PWM2 signal ends and feedback signal terminal of the single or multiple main control chips in main control module simultaneously
Property connection.
Further, each coil unit includes：PWM1 signal ends, PWM2 signal ends, feedback signal terminal and power supply
End；PWM1 signal ends, PWM2 signal ends and the feedback signal terminal of each coil unit after switch module respectively with master control core
PWM1 signal ends, PWM2 signal ends and the feedback signal terminal of piece are correspondingly connected with；The power supply termination power module of coil unit.
Further, the main control chip sends the detection signal of setpoint frequency and is output to by switching molding switch in the block
On the coil unit being attached thereto, after which receives detection signal, feedback signal is sent to the master control being attached thereto
On chip；After a coil unit detects electrical appliance, the feedback signal of a target frequency is sent to the master control core connected
Piece, the main control chip emit corresponding pwm signal to control the coil unit to inspection after receiving the feedback signal of target frequency
The electrical appliance measured charges.
Further, the switch module includes several switch units；Several switch units are sequentially connected, and first
The input terminal of a switch unit is electrically connected with main control chip module, and the output terminal coil module of the last one switch unit is electrical
Connection.
Further, the switch module includes：First switch unit, second switch unit and the 3rd switch unit；Institute
First switch unit to be stated to be electrically connected with main control chip module, the second switch unit is electrically connected with first switch unit,
3rd switch unit is electrically connected respectively with second switch unit and coil module.
Further, the first switch unit and the 3rd switch unit include several switching groups, Mei Yikai respectively
Pass group includes three switches；In the first switch unit, the input terminal of each switch is correspondingly connected with the PWM1 letters of main control chip
Number end, PWM2 signal ends and feedback signal terminal, the output terminal of each switch connect the switch in several second switch units respectively；
In 3rd switch unit, the output terminal of each switch connects same coil unit, and the input terminal of each switch passes through respectively
Three switches of one or more of switch in second switch unit and first switch unit switching group are correspondingly connected with.
More preferably, the switch module includes three switches, the input terminal connection main control chip of each switch, each switch
Output terminal connection coil unit；This three switches are divided into：First switch, second switch and the 3rd switch；The first switch
Input terminal connect the PWM1 signal ends of each main control chip respectively, the input terminal of the second switch connects each master control respectively
The PWM2 signal ends of chip, the input terminal of the 3rd switch connect the feedback signal terminal of each main control chip respectively；The line
The input terminal of coil unit connects the output terminal of first switch, second switch and the 3rd switch respectively.
Further, the power module includes：Power supply, regulator rectifier circuit and AC-DC translation circuits；The power supply
Output terminal connects regulator rectifier circuit, the output terminal connection AC-DC translation circuits of the regulator rectifier circuit.
Further, the resonance transmission circuit includes single or multiple transmitting coils.
Using the above program, the utility model provides a kind of wireless charging system of achievable multi-coil screening, not only can
Realize multiple devices to be charged while wireless charging in a certain range, moreover it is possible to which sieve is realized to the device for needing to charge in a certain range
Choosing controls the transmitting coil without setting position to be charged to stop electric discharge, significantly saves electric energy so as to reach, safeguards Electrical Safety
Purpose；For existing charging unit, the utility model controls multiple coil units using main control chip, significantly improves
The chargeable area of wireless charging device adds the application range of wireless charging, suitable for the charging of a wide range of electrical appliance.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the circuit diagram of switch module embodiment 1；
Fig. 3 is the circuit diagram of switch module embodiment 2；
Fig. 4 is the circuit diagram of coil unit.
Wherein, inductance L1 represents transmitting coil in Fig. 4.The realization, functional characteristics and advantage of the utility model aim will be tied
Embodiment is closed, is described further referring to the drawings.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
With reference to shown in Fig. 1, the utility model provides a kind of device that multiple electrical appliances can be achieved and charge simultaneously, including：Electricity
Source module 1, one-chip computer module 2, main control chip module 3, switch module 4, coil module 5；The power module 1 respectively with monolithic
Machine module 2, main control chip module 3, switch module 4 and coil module 5 are electrically connected, for the power supply of whole device；The electricity
Source module 1 includes：Power supply, regulator rectifier circuit and AC-DC translation circuits；The output terminal connection rectifying and voltage-stabilizing electricity of the power supply
Road, the output terminal connection AC-DC translation circuits of the regulator rectifier circuit.
The one-chip computer module 2 is electrically connected respectively with main control chip module 3 and switch module 4；The main control chip mould
Block 3 also and switch module 4 is electrically connected, the main control chip module 3 include several main control chips 31, respectively with the monolithic
Machine module 2 is electrically connected；The switch module 4 includes several switches, is electrically connected respectively with one-chip computer module 2；The coil
Module 5 is electrically connected with switch module 4, and coil module 5 includes multiple coil units 51, respectively with setting in switch module 4
Several switches are electrically connected.
Wherein, each main control chip includes：PWM1 signal ends, PWM2 signal ends and feedback signal terminal；Each coil unit
The PWM1 signal ends, PWM2 signal ends and feedback signal terminal with the single or multiple main control chips in main control module electrically connect simultaneously
It connects.Each coil unit includes：PWM1 signal ends, PWM2 signal ends, feedback signal terminal and power end；Each coil unit
PWM1 signal ends, PWM2 signal ends and feedback signal terminal after switch module respectively with the PWM1 signal ends of main control chip,
PWM2 signal ends and feedback signal terminal are correspondingly connected with；The power supply termination power module of coil unit.
It is noted that each main control chip 31 in the main control chip module 3 in switch module 4 respectively by setting
Fixed several switches are connected with several coil units 51 set in coil module 5；For example, 1 can be set to cut 4 simulations respectively
Switch and 5 cuts 24 analog switches.1 cut 4 analog switches using multiple 1 cut 4 analog switches realize 4 main control chips cut 16 coil units
Switching group design；5 cut 24 analog switches be using multiple 5 cut 24 analog switches realize 5 main control chips cut 24 coil units
Switching group designs.
And the one-chip computer module 2 controls each to be switched on-off in switch module 4, will be in main control chip module 3
A certain chip be connected to coil module 5；The one-chip computer module 2 controls each main control chip 31 in main control chip module 3
Switch so that main control chip 31 controls coil unit 51 connected to it, when the coil unit 51 in coil module 5 connects
After the charging control signal for receiving main control chip 31, which starts outwards to transmit electric energy.
With reference to shown in Fig. 2, wherein, the switch module 4 can control each main control chip 31 including multiple switch unit
The coil unit 51 of system is expanded.Wherein, each switched in the switch unit number in switch module 4 and switch module 4 defeated
The switch number that outlet can connect influences the coil unit 51 that each main control chip 31 controls and counts.
As a kind of embodiment, the switch module 4 includes：First switch unit 41, second switch unit 42 and the 3rd
43 switch units of switch unit；The first switch unit 41 is electrically connected with main control chip module 3, the second switch list
Member 42 is electrically connected with first switch unit 41, the 3rd switch unit 43 respectively with second switch unit 42 and coil module
5 are electrically connected.Each main control chip 31 in the main control module includes：PWM1 signal ends, PWM2 signal ends and feedback signal
End.
Specifically, three, the switch in the first switch unit 41 is one group, three switches in every group of switch
Input terminal is connected respectively the PWM1 signal ends, PWM2 signal ends and feedback signal terminal of a main control chip 31, first switch list
The output terminal switched in every group of switch in member 41 connects the switch in several second switch units 42 respectively；3rd switch
Three, switch in unit 43 is one group, and the output terminal of three switches connects same line in every group of switch in the 3rd switch unit 43
Coil unit 51, the input terminals of three switches in every group of switch pass through the switch and first switch in second switch unit 42 respectively
Three switches of one or more groups of switches in unit 41 are correspondingly connected with.
By the connection of the switch in switch module 4, each coil unit 51 in coil module 5 while and master control are realized
PWM1 signal ends, PWM2 signal ends and the feedback signal terminal of mould single or multiple main control chips 31 in the block are electrically connected.
A kind of switch module 4 that 4 analog switches are cut using multiple 1 is provided in embodiment 1.Main control chip 1 in the present embodiment
PWM1 signal ends, 3 pins of PWM2 signal ends and feedback signal terminal connect one 1 respectively and cut 4 analog switches, this 31 are cut 4
Analog switch forms the switch in first switch unit 41.Each 1 in first switch unit 41 cut 4 of 4 analog switches it is defeated
Outlet connects one 1 and cuts 4 analog switches respectively, and second switch list is formed with the switch of the switch connection in first switch unit 41
Switch in member 42.In this way, the PWM1 signal ends of main control chip 1, PWM2 signal ends and feedback signal terminal expand come 16 respectively
A analoging switch output end.
Since every 31 input terminals for cutting 4 analog switches pass through 42 He of second switch unit respectively in the 3rd switch unit 43
Switch in first switch unit 41 is correspondingly connected with the PWM1 signal ends, PWM2 signal ends and feedback signal terminal of main control chip 1, the
Every 31 output terminals for cutting 4 analog switches are correspondingly connected with the input terminal of a coil unit 51 in three switch units 43, therefore, warp
It crosses the 1 of three switch units and cuts 4 analog switches, main control chip 1 can at most expand 16 coil units 51 of control.
It is noted that every 31 input terminals for cutting 4 analog switches can be by same in the 3rd switch unit 43
Mode is correspondingly connected with the PWM1 signal ends, PWM2 signal ends and feedback signal terminal of main control chip 2.By the 1 of three switch units
4 analog switches are cut, each coil unit 51 can be finally connected with 4 main control chips 31, can be realized by 4 main control chips to one
The control of a coil unit 51.
As a kind of embodiment, the switch module 4 includes three switches 403, the input terminal connection master of three switches 403
Control chip, output terminal connection coil unit 51；This three switch 403 points be：First switch 401, second switch 402 and the 3rd are opened
Close 403；The input terminal of the first switch 401 connects the PWM1 signal ends of each main control chip, the second switch 402 respectively
Input terminal connect the PWM2 signal ends of each main control chip respectively, the input terminal of the 3rd switch 403 connects each respectively
The feedback signal terminal of main control chip；The input terminal of the coil unit 51 connects first switch 401,402 and of second switch respectively
The output terminal of 3rd switch 403.
With reference to shown in Fig. 3, a kind of utilization in embodiment 2 is provided and cuts 26 analog switches realization, 5 main control chips controls for 35
The switch module 4 of 26 coil units 51.First switch 401, the input terminal of the switch of second switch 402 and the 3rd 403 connect respectively
Main control chip 1~5 is connect, the input terminal of coil unit 51 connects first switch 401, the switch of second switch 402 and the 3rd 403 respectively
Output terminal.Since the input terminal of first switch 401, the switch of second switch 402 and the 3rd 403 has 5 pins, output terminal respectively has
26 pins, it is thereby achieved that controlling the setting of 26 coil units 51 by 5 main control chips 31.
As a kind of embodiment, the coil unit 51 includes：MOSS pipe Q1, MOSS pipe Q2, MOSS pipes Q3, MOSS are managed
Q4, filter and transmitting coil；Wherein, the filter is capacitance C1, and transmitting coil is inductance L1；The S of MOSS pipes Q1
Pole connects the D poles of MOSS pipes Q3；The S poles ground connection of MOSS pipes Q3；The S poles of MOSS pipes Q2 connect the D poles of MOSS pipes Q4；The S poles of MOSS pipes
Ground connection；An end of capacitance C1 is connected between MOSS pipe Q1 and MOSS pipes Q3, be connected on after another termination inductance L1 MOSS pipes Q2 with
Between MOSS pipes Q4.
The power end of the D poles of the MOSS pipes Q1 and the D poles of MOSS pipes Q2 as coil unit 51, connects power module.
The PWM1 signal ends of the G poles of MOSS pipes Q1 and the G poles of MOSS pipes Q4 as coil unit 51 connect the PWM1 signals of main control chip
End.The PWM2 signal ends of the G poles of MOSS pipes Q2 and the G poles of MOSS pipes Q3 as coil unit 51 meet the PWM2 of main control chip 31
Signal end.The feedback signal of main control chip 31 is terminated between inductance L1 and MOSS pipe Q4.
The pwm control signal that the main control chip 31 sends setpoint frequency is output to line by the switch in switch module 4
On coil unit 51, a feedback signal is sent after a coil unit 51 detects electrical appliance to the emission lines in coil unit 51
After circle senses the receiving coil in electrical appliance, due to the coupling between two coils, coupling can be generated between two coils
Sense is closed, coil unit 51 generates the electric signal of certain frequency, and passes through feedback end and be sent to connected main control chip 31, the master
Control chip 31 emits corresponding pwm signal the coil unit 51 to be controlled to be filled to the electrical appliance detected after receiving feedback signal
Electricity.As a kind of embodiment, main control chip 31 can be the wireless charging that TI is applied to BPP (power is less than the transmitter chip of 5W)
Electrical chip BQ500212A, wireless charging chip BQ500412；Applied to EPP's (transmitter chip of the power between 5-15W)
Wireless charging chip BQ500215；Can also be the wireless charging chip P9242_R that IDT is applied to EPP.The one-chip computer module
2 include several microcontrollers, the model MSP430, AVR of the microcontroller etc..
As a kind of embodiment, one-chip computer module 2 detects once each coil at regular intervals by main control chip 31
The feedback signal of unit 51.If the feedback signal generated from coil unit 51 is not attenuated at, 1 is fed back, otherwise feeds back 0.
The feedback signal that main control chip 31 receives some coil unit 51 is 0, illustrates that the inductance L1 of the coil unit 51 does not sense
To electrical appliance.At this point, the one-chip computer module 2 being connected with main control chip 31 will control the respective switch in switch module 4 to close,
The pwm signal of main control chip 31 is blocked to be transferred to the coil unit, to reduce the power attenuation of whole system.Main control chip 31
When the feedback signal for receiving some coil unit 51 is 1, the transmitting coil for representing coil unit 51 does not sense electrical appliance.
At this point, one-chip computer module 2 will keep the respective switch in switch module 4 to turn on, make the electricity consumption being connected with the coil unit 51
Device is in charged state.
Utility model works flow：
Device in holding state, first open be attached thereto main control chip 31 by one-chip computer module 2, the master control core
Piece 31 is connected by switch module 4 on several coil units 51.An if coil unit 51 of the main control chip 31 connection
On do not detect electrical appliance if, one-chip computer module 2 shuts off this way switch, opens simultaneously in addition coil unit all the way
51 switch continues to detect.One-chip computer module 2 controls main control chip 31 to be sequentially switched to each coil unit 51 to detect electricity consumption
Device position, until coil unit 51 detects the presence of article to be charged all the way, then one-chip computer module 2 keeps 31 He of main control chip
Connection status between the coil unit 51 is constant, by 31 control coil unit of main control chip, 51 entire charging process.Then it is single
Piece machine module 2 opens second main control chip 31 and carries out more than detection process, until all main control chips 31 are all in work
State.
Wherein, when main control chip 31 is opened, the pwm control signal of certain frequency is sent by the switch in switch module 44
Each coil unit 51 is output to, each coil unit 51 receives the feedback signal of generation certain frequency after pwm control signal, and
Feed back to that microcontroller mould is fast by main control chip 31, one-chip computer module 2 according to the control of the feedback signal of each coil unit 51 with
The conducting of the switch of the coil unit 51 connection, so as to fulfill only to there is the charging of the coil unit of charger.
In conclusion the utility model provides a kind of wireless charging system of achievable multi-coil screening, can not only realize
Multiple devices to be charged while wireless charging in a certain range, moreover it is possible to screening is realized to the device for needing to charge in a certain range,
The transmitting coil without setting position to be charged is controlled to stop electric discharge, electric energy is significantly saved so as to reach, safeguards the mesh of Electrical Safety
's；For existing charging unit, the utility model controls multiple coil units using main control chip, significantly improves nothing
The chargeable area of micro USB electric installation adds the application range of wireless charging, suitable for the charging of a wide range of electrical appliance.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of device that multiple electrical appliances can be achieved and charge simultaneously, which is characterized in that including：Power module, one-chip computer module,
Main control chip module, switch module, coil module；
The power module is electrically connected respectively with one-chip computer module, main control chip module, switch module and coil module, is used for
The power supply of whole device；
The one-chip computer module is electrically connected respectively with main control chip module and switch module；
The main control chip module is also electrically connected with switch module, and the main control chip module includes several main control chips,
It is electrically connected respectively with the one-chip computer module；
The switch module includes several switches, is electrically connected respectively with one-chip computer module；
The coil module is electrically connected with switch module, and coil module includes multiple coil units, each coil unit difference
It is electrically connected with several switches set in switch module；Each main control chip in the main control chip module is respectively by opening
Several switches set in module are closed to be connected with several coil units set in coil module；
It is each switched on-off in the one-chip computer module control switch module, by a certain master control core in main control chip module
Piece is connected to the coil module for needing to control；The one-chip computer module controls the logical of each main control chip in main control chip module
It is disconnected, so as to control the coil unit being connected with the main control chip, when the coil unit in coil module receives main control chip
Charging control signal after, which starts outwards to transmit electric energy.
2. the device according to claim 1 that multiple electrical appliances can be achieved and charge simultaneously, which is characterized in that each master control core
Piece includes：PWM1 signal ends, PWM2 signal ends and feedback signal terminal；Each coil unit simultaneously with single in main control module or
PWM1 signal ends, PWM2 signal ends and the feedback signal terminal of multiple main control chips are electrically connected.
3. the device according to claim 2 that multiple electrical appliances can be achieved and charge simultaneously, which is characterized in that each line
Coil unit includes：PWM1 signal ends, PWM2 signal ends, feedback signal terminal and power end；The PWM1 signal ends of each coil unit,
PWM2 signal ends and feedback signal terminal after switch module respectively with the PWM1 signal ends of main control chip, PWM2 signal ends and anti-
Feedback signal end is correspondingly connected with；The power supply termination power module of coil unit.
4. the device according to claim 3 that multiple electrical appliances can be achieved and charge simultaneously, which is characterized in that the master control core
The detection signal that piece sends setpoint frequency is output to by switching molding switch in the block on the coil unit being attached thereto, the coil
After unit receives detection signal, feedback signal is sent on the main control chip being attached thereto；When a coil unit detects use
After electric appliance, the feedback signal of a target frequency is sent to the main control chip connected, which receives target frequency
Feedback signal after emit corresponding pwm signal the coil unit to be controlled to charge to the electrical appliance that detects.
5. the device according to claim 1 that multiple electrical appliances can be achieved and charge simultaneously, which is characterized in that the switching molding
Block includes several switch units；Several switch units are sequentially connected, input terminal and the master control core of first switch unit
Piece module is electrically connected, output terminal and the coil module of the last one switch unit are electrically connected.
6. the device according to claim 5 that multiple electrical appliances can be achieved and charge simultaneously, which is characterized in that the switching molding
Block includes：First switch unit, second switch unit and the 3rd switch unit；The first switch unit and main control chip module
It is electrically connected, the second switch unit is electrically connected with first switch unit, and the 3rd switch unit is opened respectively with second
It closes unit and coil module is electrically connected, the first switch unit and the 3rd switch unit include several switches respectively
Group, each switching group include three switches；In the first switch unit, the input terminal of each switch is correspondingly connected with main control chip
PWM1 signal ends, PWM2 signal ends and feedback signal terminal, the output terminal of each switch connects several second switch units respectively
In switch；In 3rd switch unit, the output terminal of each switch connects same coil unit, the input terminal of each switch
Three switches respectively by one or more of the switch in second switch unit and first switch unit switching group are corresponding
Connection.
7. the device according to claim 1 that multiple electrical appliances can be achieved and charge simultaneously, which is characterized in that the switching molding
Block includes three switches, the input terminal connection main control chip of each switch, the output terminal connection coil unit of each switch；This three
A switch is divided into：First switch, second switch and the 3rd switch；The input terminal of the first switch connects each master control core respectively
The PWM1 signal ends of piece, the input terminal of the second switch connect the PWM2 signal ends of each main control chip respectively, and the described 3rd
The input terminal of switch connects the feedback signal terminal of each main control chip respectively；The input terminal of the coil unit connects first respectively
The output terminal of switch, second switch and the 3rd switch.
8. the device according to claim 1 that multiple electrical appliances can be achieved and charge simultaneously, which is characterized in that the power supply mould
Block includes：Power supply, regulator rectifier circuit and AC-DC translation circuits；The output terminal connection regulator rectifier circuit of the power supply, it is described
The output terminal connection AC-DC translation circuits of regulator rectifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721525545.XU CN207442493U (en) | 2017-11-15 | 2017-11-15 | A kind of device that multiple electrical appliances can be achieved and charge simultaneously |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721525545.XU CN207442493U (en) | 2017-11-15 | 2017-11-15 | A kind of device that multiple electrical appliances can be achieved and charge simultaneously |
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| Publication Number | Publication Date |
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| CN207442493U true CN207442493U (en) | 2018-06-01 |
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| CN201721525545.XU Expired - Fee Related CN207442493U (en) | 2017-11-15 | 2017-11-15 | A kind of device that multiple electrical appliances can be achieved and charge simultaneously |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733044A (en) * | 2017-11-15 | 2018-02-23 | 深圳市中天迅通信技术股份有限公司 | A kind of device that multiple electrical appliances can be achieved and charge simultaneously |
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2017
- 2017-11-15 CN CN201721525545.XU patent/CN207442493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733044A (en) * | 2017-11-15 | 2018-02-23 | 深圳市中天迅通信技术股份有限公司 | A kind of device that multiple electrical appliances can be achieved and charge simultaneously |
| CN107733044B (en) * | 2017-11-15 | 2023-12-01 | 深圳市中天迅通信技术股份有限公司 | Device capable of realizing simultaneous charging of multiple electric appliances |
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