CN206452166U - Multichannel USB Intelligent Recognitions charging device and power supply adaptor - Google Patents
Multichannel USB Intelligent Recognitions charging device and power supply adaptor Download PDFInfo
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- CN206452166U CN206452166U CN201621257414.3U CN201621257414U CN206452166U CN 206452166 U CN206452166 U CN 206452166U CN 201621257414 U CN201621257414 U CN 201621257414U CN 206452166 U CN206452166 U CN 206452166U
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Abstract
The utility model discloses a kind of multichannel USB Intelligent Recognitions charging device and power supply adaptor, wherein, multichannel USB Intelligent Recognition charging devices include：Current rectifying and wave filtering circuit, control circuit, reduction voltage circuit, at least two USB interfaces and at least two intelligent identifying circuits；Civil power for external civil power and is converted into DC voltage by current rectifying and wave filtering circuit；Control circuit is electrically connected with current rectifying and wave filtering circuit；Reduction voltage circuit is electrically connected with control circuit；USB interface described at least two is electrically connected with reduction voltage circuit respectively, supplies out charging voltage；Intelligent identifying circuit described at least two is electrically connected with corresponding USB interface, accesses the mobile phone voltage of USB interface simultaneously for detection, and for the identification signal needed for USB interface provides at least two mobile phone quick charges.The technical solution of the utility model can fill multiple mobile phones soon simultaneously, can shorten the charging interval, improve charge efficiency.
Description
Technical field
The utility model is related to a kind of charging equipment, more particularly to a kind of multichannel USB Intelligent Recognitions charging device and power supply
Adapter.
Background technology
At present, it is electric on the market with the popularization and the increase of smart mobile phone species of smart mobile phone and mobile electronic device
The species of source adapter is also more and more.Because power supply adaptor needs to connect civil power, often use and fill when going out and travelling
Electric portable equipment replaces power supply adaptor, further, since the charging inlet of part mobile phone is general, user may be using difference
Adapter be simultaneously the charging of many mobile phones.
It is respectively+5V because the adaptor charge interface of smart mobile phone is all charged using four-wire system data line,
D-, D+, GND.And present mobile phone brand and model is various, and each mobile phone producer all sets distinctive identification to charging adapter
Signal, non-original-pack charger can not give its quick charge, cause many mobile phones to charge because of mobile phone model problem the charging interval
It is longer, the problem of charge efficiency is slow.
Utility model content
To solve an above-mentioned at least technical problem, main purpose of the present utility model is to provide a kind of multichannel USB and intelligently known
Other charging device.
To achieve the above object, the technical scheme that the utility model is used for：A kind of multichannel USB Intelligent Recognitions are provided
Charging device, including：
Civil power for external civil power and is converted into DC voltage by current rectifying and wave filtering circuit, the current rectifying and wave filtering circuit；
Circuit is controlled, the control circuit is electrically connected with current rectifying and wave filtering circuit, to control the output of DC voltage；
Reduction voltage circuit, the reduction voltage circuit is electrically connected with control circuit, for carrying out decompression processing to DC voltage；
At least two USB interfaces, USB interface described at least two is electrically connected with reduction voltage circuit respectively, supplies out charging electricity
Pressure；
At least two intelligent identifying circuits, intelligent identifying circuit described at least two is electrically connected with corresponding USB interface, is supplied
Detection accesses the mobile phone voltage of USB interface simultaneously, and for the identification letter needed for USB interface provides at least two mobile phone quick charges
Number.
Preferably, the multichannel USB Intelligent Recognitions charging device also includes overvoltage crowbar, the overvoltage crowbar
Electrically connect, for detection charging voltage and output extremely control circuit, changed so that control circuit stops DC voltage with control circuit.
Preferably, the overvoltage crowbar includes voltage-regulator diode, optocoupler and the first triode；The voltage-regulator diode
Anode electrically connected with the input of optocoupler, the output end of the optocoupler is electrically connected with the base stage of the first triode, described first
The colelctor electrode of triode is electrically connected with control circuit, the grounded emitter of the first triode.
Preferably, the overvoltage crowbar also includes the 6th resistance, the 7th resistance, the 8th resistance and the 9th resistance, institute
The feeder ear for stating optocoupler connects preset voltage by the 6th resistance, and the output end of optocoupler connects the base of the first triode by the 8th resistance
Pole, the one of the 7th resistance terminates the common junction that the 8th resistance is connected with optocoupler, other end ground connection；The collection of first triode
Electrode passes through the 9th resistance connection control circuit.
Preferably, the intelligent identifying circuit includes supplying resistance and Intelligent Recognition chip,
3rd pin of the Intelligent Recognition chip is electrically connected with supplying resistance, the 4th pin of Intelligent Recognition chip and
Five pins are electrically connected with two detection pins of USB interface respectively.
Preferably, the intelligent identifying circuit also include filter capacitor, the filter capacitor one termination supplying resistance with
The common junction of the pin of Intelligent Recognition chip the 3rd connection, other end ground connection.
Preferably, the multichannel USB Intelligent Recognitions charging device also includes absorbing circuit, the absorbing circuit and control electricity
Road is electrically connected.
Preferably, the multichannel USB Intelligent Recognitions charging device also includes state display module, the state display module
Electrically connected with intelligent identifying circuit.
To achieve the above object, the technical scheme that the utility model is used for：A kind of power supply adaptor is provided, it is described
Power supply adaptor includes above-mentioned multichannel USB Intelligent Recognition charging devices, including：
Civil power for external civil power and is converted into DC voltage by current rectifying and wave filtering circuit, the current rectifying and wave filtering circuit；
Circuit is controlled, the control circuit is electrically connected with current rectifying and wave filtering circuit, to control the output of DC voltage；
Reduction voltage circuit, the reduction voltage circuit is electrically connected with control circuit, for carrying out decompression processing to DC voltage；
At least two USB interfaces, USB interface described at least two is electrically connected with reduction voltage circuit respectively, supplies out charging electricity
Pressure；
At least two intelligent identifying circuits, intelligent identifying circuit described at least two is electrically connected with corresponding USB interface, is supplied
Detection accesses the mobile phone voltage of USB interface simultaneously, and for the identification letter needed for USB interface provides at least two mobile phone quick charges
Number.
The technical solution of the utility model is set by using at least two USB interfaces and correspondence USB interface quantity
Intelligent identifying circuit, at least two intelligent identifying circuits can be detected respectively to be detected and recognized by corresponding USB interface and wait to fill
The type of cell phone of electric hand machine, can be respectively many mobile phone quick charges to be charged, in this way, can solve after recognizing successfully
Non- original-pack charger can not give its quick charge, and therefore, the utility model has the charging interval short, and charge efficiency is high slowly, energy
Enough requirements simultaneously for many mobile phone chargings.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the module diagram that the embodiment multichannel USB Intelligent Recognitions of the utility model one rush point device；
Fig. 2 is Fig. 1 integrated circuit structural representation；
Fig. 3 is Fig. 2 intelligent identifying circuit structural representation；
The overvoltage crowbar structural representation of Fig. 4 bitmaps 2.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It is to be appreciated that the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, and it can not manage
Solve to indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment
Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical scheme
With reference to occur it is conflicting or when can not realize it will be understood that the combination of this technical scheme is not present, also not in the utility model
It is required that protection domain within.
Fig. 1 is refer to, in the utility model embodiment, multichannel USB Intelligent Recognition charging devices, including：
Civil power for external civil power and is converted into DC voltage by current rectifying and wave filtering circuit 11, the current rectifying and wave filtering circuit 11；
Circuit 12 is controlled, the control circuit 12 is electrically connected with current rectifying and wave filtering circuit 11, to control the output of DC voltage；
Reduction voltage circuit 13, the reduction voltage circuit 13 is electrically connected with control circuit 12, for carrying out decompression processing to DC voltage；
At least two USB interfaces (31,32), USB interface described at least two is electrically connected with reduction voltage circuit 13 respectively, is supplied
Go out charging voltage；
At least two intelligent identifying circuits (21,22), intelligent identifying circuit described at least two and corresponding USB interface electricity
Connection, the mobile phone voltage of USB interface is accessed for detection simultaneously, and for needed for USB interface provides at least two mobile phone quick charges
Identification signal.
In the present embodiment, by current rectifying and wave filtering circuit 11, control circuit 12, reduction voltage circuit 13, USB interface can be with external city
Electricity, the processing such as rectification, filtering, control and decompression is carried out to civil power, and power for mobile phone to be charged.Further, the USB
Interface serves as the charging inlet of mobile phone or portable equipment, and USB interface connects provided with detection pin, intelligent identifying circuit for detection
Enter the mobile phone voltage of USB interface, and for the identification signal needed for USB interface provides mobile phone quick charge, in this way, being identified as
Can be mobile phone quick charge to be charged after work(.Specifically, this programme is in order to meet the problem of being powered for many mobile phones simultaneously,
The quantity of the USB interface and intelligent identifying circuit is two or more.Specifically, in the present embodiment, the number of the USB interface
Measure as two, respectively the first USB interface 31, secondary USB interface 32；The quantity of intelligent identifying circuit is also two, is respectively
First intelligent identifying circuit 21, the second intelligent identifying circuit 22.First intelligent identifying circuit 21 is electrically connected with the first USB interface 31
Connect, the second intelligent identifying circuit 22 is electrically connected with secondary USB interface 32, in this way, in the first USB interface 31 and secondary USB interface
32 connect after mobile phone to be charged simultaneously, can be examined simultaneously by the first intelligent identifying circuit 21 and the second intelligent identifying circuit 22
Two mobile phone voltages are surveyed, in this way, to realize purpose simultaneously for two mobile phone chargings.
The technical solution of the utility model is by using at least two USB interfaces (31,32) and correspondence USB interface quantity
The intelligent identifying circuit of setting, at least two intelligent identifying circuits (21,22) can respectively be detected and examined by corresponding USB interface
The type of cell phone of mobile phone to be charged is surveyed and recognized, can be respectively many mobile phone quick charges to be charged, such as after recognizing successfully
This, can solution original-pack charger can not give its quick charge by no means, therefore, the utility model has the charging interval short, charging
Efficiency is high slowly, the requirement that can be charged simultaneously for many mobile phones.
Fig. 1 is refer to, in a specific embodiment, multichannel USB Intelligent Recognitions charging device also includes overvoltage protection
Circuit 15, the overvoltage crowbar 15 is electrically connected with control circuit 12, for detection charging voltage and output extremely control circuit 12,
So that control circuit 12 stops DC voltage conversion.
In the present embodiment, the problem of damaging battery to prevent that charging voltage is too high, in addition to overvoltage crowbar 15, make
Circuit 12 is controlled to stop continuing to change voltage, it is ensured that output voltage makes charging voltage be under 5.6V no more than 5.6V, can
Effectively prevent charging voltage it is too high damage battery the problem of.
Fig. 2 and Fig. 4 are refer to, in a specific embodiment, the overvoltage crowbar 15 includes voltage-regulator diode
ZD1, optocoupler U3 and the first triode Q1；The anode of the voltage-regulator diode ZD1 is electrically connected with optocoupler U3 input, the light
Coupling U3 output end is electrically connected with the first triode Q1 base stage, colelctor electrode and the electricity of control circuit 12 of the first triode Q1
Connection, the first triode Q1 grounded emitter.
In the present embodiment, when voltage-regulator diode ZD1 voltage exceedes preset value (such as 5.6V), voltage-regulator diode ZD1 bis-
Pole pipe is breakdown, and optocoupler U3, which starts working to provide to the first triode Q1 base stage, starts voltage, after the first triode Q1 starts,
Colelctor electrode and emitter stage are turned on, namely control chip is grounded by the first triode Q1 of connection, equivalent to having dragged down chip
Voltage, makes control chip stop continuing to change voltage.Wherein, control circuit 12 is mainly made up of control chip.
Fig. 4 is refer to, in a specific embodiment, the overvoltage crowbar 15 also includes the 6th resistance R6, the 7th
Resistance R7, the 8th resistance R8 and the 9th resistance R9, the feeder ear of the optocoupler U3 connect preset voltage by the 6th resistance R6, optocoupler
U3 output end connects the first triode Q1 base stage, the 7th resistance R7 a 8th resistance R8 of termination and light by the 8th resistance R8
The common junction of coupling U3 connections, other end ground connection；The colelctor electrode of the first triode Q1 connects control electricity by the 9th resistance R9
Road 12.
In the present embodiment, in order to prevent optocoupler U3, control chip and the first triode Q1 to be directly grounded, it can also add suitable
When pass devices, to ensure the normal operation of circuit.
Fig. 2 and Fig. 3 are refer to, in a specific embodiment, the intelligent identifying circuit includes supplying resistance R15 and intelligence
Energy identification chip U5,
The 3rd pin of the Intelligent Recognition chip U5 is electrically connected with supplying resistance R15, and the 4th of Intelligent Recognition chip U5 the
Pin and the 5th pin are electrically connected with two detection pins of two USB interfaces respectively.
In the present embodiment, Intelligent Recognition chip U5 the 3rd pin and supplying resistance R15, with from outgoing introducing 5V voltages,
Start Intelligent Recognition type of cell phone, and the result after identification is sent by the 4th pin and the 5th pin, realize quick
Charge function.Intelligent Recognition chip U5 model MA5887.It should be understood that above-described embodiment also includes Intelligent Recognition core
Piece U6, power supply circuit R16, concrete structure are as described above, here is omitted.
Fig. 3 is refer to, in a specific embodiment, the intelligent identifying circuit also includes filter capacitor C7, the filter
The common junction that a ripple electric capacity C7 termination supplying resistance R15 is connected with the pins of Intelligent Recognition chip U5 the 3rd, other end ground connection.
In the present embodiment, filter capacitor C7 supplies to filter out the radio-frequency component of Intelligent Recognition chip U5 supply voltage, to protect
Demonstrate,prove its interference-free.Supply voltage is 5V in the present embodiment.It should be understood that above-described embodiment also includes Intelligent Recognition chip
U6, power supply circuit R16, filter capacitor C8, concrete structure are as described above, here is omitted.
With reference in the above embodiments, in the present embodiment, the quantity of filter capacitor (C7, C8) can be one, can also
Two, three for being and connecing, specific quantity can be set according to actual requirement.The quantity of supplying resistance (R15, R16)
Can be one or and connect two, three, specific quantity can set according to actual requirement.
Fig. 1 is refer to, in a specific embodiment, the multichannel USB Intelligent Recognitions charging device also includes absorbing electricity
Road 14, the absorbing circuit 14 is electrically connected with control circuit 12.
In the present embodiment, reflected voltage when preventing that control circuit 1214 from disconnecting by absorbing circuit 14, it is to avoid damage control
Circuit 12, can provide protective effect for control circuit 12.
In a specific embodiment, the multichannel USB Intelligent Recognitions charging device also includes state display module, described
State display module is electrically connected with intelligent identifying circuit.
In the present embodiment, user checks to charged state for convenience, can also set and be electrically connected with intelligent identifying circuit
State display module, the state shown by state display module can learn the state of intelligent identifying circuit, in this way, favorably
Handled in the maintenance of user and attendant.
In embodiment of the present utility model, the power supply adaptor, including above-mentioned multichannel USB Intelligent Recognition charging devices,
For example above-mentioned embodiment of concrete structure, here is omitted.Filled because power supply adaptor employs above-mentioned multichannel USB Intelligent Recognitions
Electric installation, therefore, this power supply adaptor at least have all advantages of above-mentioned multichannel USB Intelligent Recognition charging devices.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (9)
1. a kind of USB charging devices, it is characterised in that the USB charging devices include：
Civil power for external civil power and is converted into DC voltage by current rectifying and wave filtering circuit, the current rectifying and wave filtering circuit；
Circuit is controlled, the control circuit is electrically connected with current rectifying and wave filtering circuit, to control the output of DC voltage；
Reduction voltage circuit, the reduction voltage circuit is electrically connected with control circuit, for carrying out decompression processing to DC voltage；
USB interface, the USB interface is electrically connected with reduction voltage circuit, supplies out charging voltage；
Overvoltage crowbar, the overvoltage crowbar is electrically connected with control circuit, for detection charging voltage and output extremely control
Circuit, so that control circuit stops DC voltage conversion；
Intelligent identifying circuit, the intelligent identifying circuit is electrically connected with USB interface, and the mobile phone voltage of USB interface is accessed for detection,
And for the identification signal needed for USB interface provides mobile phone quick charge.
2. USB charging devices as claimed in claim 1, it is characterised in that the intelligent identifying circuit include supplying resistance and
Intelligent Recognition chip,
3rd pin of the Intelligent Recognition chip is electrically connected with supplying resistance, the 4th pin of Intelligent Recognition chip and the 5th is drawn
Pin is electrically connected with two detection pins of USB interface respectively.
3. USB charging devices as claimed in claim 2, it is characterised in that the overvoltage crowbar include voltage-regulator diode,
Optocoupler and the first triode；The anode of the voltage-regulator diode is electrically connected with the input of optocoupler, the output end of the optocoupler with
The base stage electrical connection of first triode, the colelctor electrode of first triode is electrically connected with control circuit, the hair of the first triode
Emitter grounding.
4. USB charging devices as claimed in claim 3, it is characterised in that the overvoltage crowbar also include the 6th resistance,
7th resistance, the 8th resistance and the 9th resistance, the feeder ear of optocoupler connect preset voltage by the 6th resistance, and the output end of optocoupler is led to
The base stage that the 8th resistance connects the first triode is crossed, the one of the 7th resistance terminates the common junction that the 8th resistance is connected with optocoupler, separately
One end is grounded；The colelctor electrode of first triode passes through the 9th resistance connection control circuit.
5. USB charging devices as claimed in claim 2, it is characterised in that the intelligent identifying circuit also includes filter capacitor,
The common junction that one termination supplying resistance of the filter capacitor is connected with the pin of Intelligent Recognition chip the 3rd, other end ground connection.
6. USB charging devices as claimed in claim 5, it is characterised in that the filter capacitor be one and connect two or
More than two electric capacity.
7. USB charging devices as claimed in claim 5, it is characterised in that the supplying resistance is one, two of concatenation or
More than two resistance.
8. the USB charging devices as described in any one of claim 1 to 7, it is characterised in that the USB device also includes absorbing
Circuit, the absorbing circuit is electrically connected with control circuit.
9. a kind of power supply adaptor, it is characterised in that the power supply adaptor is included as described in any one of claim 1 to 8
USB charging devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257414.3U CN206452166U (en) | 2016-11-22 | 2016-11-22 | Multichannel USB Intelligent Recognitions charging device and power supply adaptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257414.3U CN206452166U (en) | 2016-11-22 | 2016-11-22 | Multichannel USB Intelligent Recognitions charging device and power supply adaptor |
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| Publication Number | Publication Date |
|---|---|
| CN206452166U true CN206452166U (en) | 2017-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621257414.3U Active CN206452166U (en) | 2016-11-22 | 2016-11-22 | Multichannel USB Intelligent Recognitions charging device and power supply adaptor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539829A (en) * | 2018-06-12 | 2018-09-14 | 深圳市瑞晶实业有限公司 | A kind of more mouthfuls of charging circuits |
| CN114325462A (en) * | 2022-01-04 | 2022-04-12 | 成都泰盟软件有限公司 | Intelligent detection device and method for USB charging device |
-
2016
- 2016-11-22 CN CN201621257414.3U patent/CN206452166U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539829A (en) * | 2018-06-12 | 2018-09-14 | 深圳市瑞晶实业有限公司 | A kind of more mouthfuls of charging circuits |
| CN108539829B (en) * | 2018-06-12 | 2024-04-05 | 深圳市瑞晶实业有限公司 | Multi-port charging circuit |
| CN114325462A (en) * | 2022-01-04 | 2022-04-12 | 成都泰盟软件有限公司 | Intelligent detection device and method for USB charging device |
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