CN204517442U - Intelligent charge interface arrangement - Google Patents

Intelligent charge interface arrangement Download PDF

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Publication number
CN204517442U
CN204517442U CN201520156178.5U CN201520156178U CN204517442U CN 204517442 U CN204517442 U CN 204517442U CN 201520156178 U CN201520156178 U CN 201520156178U CN 204517442 U CN204517442 U CN 204517442U
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CN
China
Prior art keywords
electric power
power input
switch
sample resistance
mouth
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201520156178.5U
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Chinese (zh)
Inventor
周锡昌
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周锡昌
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Priority to CN201520156178.5U priority Critical patent/CN204517442U/en
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Publication of CN204517442U publication Critical patent/CN204517442U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model relates to a kind of intelligent charge interface arrangement, comprises a power input end mouth, and comprise at least one electric power input pin position, electric power input pin position is connected with an external power source; One sample resistance, one end is connected to electric power input pin position; One switch element, is connected to the other end of sample resistance; One electric power output pin position, is connected to sample resistance by switch element; One microcontroller, has two inspection terminals, a control terminal and multiple instruction terminal; Two inspection terminals are connected to the two ends of sample resistance to obtain the voltage of electric power input pin position; Control terminal exports a control signal to switch element with the conducting of control switch element or cut-out; One group of status indicator lamp number, is electrically connected at instruction terminal and the index signal that receives from microcontroller.Intelligent charge interface arrangement provided by the utility model, it is by the display of charging current, allows user understand charge efficiency instantly.

Description

Intelligent charge interface arrangement
Technical field
The utility model has about a kind of charging interface device, particularly about a kind of intelligent charge interface arrangement that can show charged state and charging current.
Background technology
Along with handheld mobile device gets more and more now, battery indispensable inside handheld mobile device is also along with display screen increases the performance enhancement of processor and increasing.Handheld mobile device all will charge every day.Original start such as the genuine charger or genuine charging wire of each genuine is exceeded already based on various different charging occasion.Market is full of for a long time various alternative subplans.Such as various charging adapters, automobile-used adapter, the portable power source that even can have with each handheld mobile device.To solve the awkward situation that the equipment of being away from home does not have electricity.Even if also can occur in parlor at home, at dining table, in kitchen in the various different charging occasion demand in study or even bedroom, office is also the same.Handheld mobile device charging has been necessary demand arround life.
Now charging device has exceeded genuine and has set the charger and charging wire that provide, so time wait blindly often.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of intelligent charge interface arrangement, can show charged state and charging current.
To achieve the above object, the utility model provides a kind of intelligent charge interface arrangement, comprises:
One power input end mouth, it comprises at least one electric power input pin position, and this electric power input pin position is connected with an external power source;
One sample resistance, its one end is connected to this electric power input pin position;
One switch element, it is connected to the other end of this sample resistance;
One electric power output pin position, it is connected to this sample resistance by this switch element;
One microcontroller, it has two inspection terminals, a control terminal and multiple instruction terminal; This inspection terminal is connected to the two ends of this sample resistance to obtain the voltage of this electric power input pin position; This control terminal exports a control signal to switch element to control conducting or the cut-out of this switch element; And
One group of status indicator lamp number, its index signal being electrically connected at this instruction terminal and receiving from this microcontroller.
Preferably, wherein this power input end mouth is the connectivity port meeting usb communication agreement.
Preferably, wherein this switch element is a N channel field metal oxide semiconductcor field effect transistor.
Preferably, wherein this electric power output pin position belongs to a part for a power output end mouth, and this power output end mouth is the connectivity port meeting usb communication agreement.
The advantage that the utility model has is:
1, by the display of charging current, user is allowed to understand charge efficiency instantly;
2, by the display of charging current, allowing user understand present charged state is at preliminary filling battery, or constant current charge, constant voltage charge fill state soon, still charged complete;
3, user can not be allowed to suspect whether to have charged into not have when charging always;
4, the interface definition on existing charging data line both sides is continued to use, only in interior optimization improvement, completely compatible to use sight, without the need to additionally increasing equipment;
5, except display electric current, more overcurrent can be detected, superpotential display and protection.For charging person provides the safety of charging.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the utility model embodiment;
Fig. 2 is the product schematic diagram of the utility model embodiment;
Fig. 3 is in the utility model embodiment, the decision logic figure of microcontroller.
[main element symbol description]
100-intelligent charge interface arrangement; 110-power input end mouth; 112-electric power input pin position; 120-sample resistance; 130-switch element; 140-power output end mouth; 142-electric power output pin position; 150-microcontroller; 152,154-inspection terminal; 156-control terminal; 157,158-indicates terminal; 160-status indicator lamp number.
Embodiment
In order to have a better understanding and awareness the purpose of this utility model, feature and effect, below please coordinate accompanying drawing describe in detail as after.
Consult shown in Fig. 1 and Fig. 2, for a kind of intelligent charge interface arrangement 100 that the utility model embodiment provides, comprise power input end mouth 110, sample resistance 120, switch element 130, electric power output pin position 142, microcontroller 150 and one group of status indicator lamp numbers 160.
As shown in Figures 1 and 2, power input end mouth 110 is for meeting the connectivity port of usb communication agreement, and usb communication protocol package contains but is not limited to USB 1.0, USB 1.1, USB 2.0, USB 3.0.Wherein, power input end mouth 110 comprises at least one electric power input pin position 112, in order to provide the electric power of 3.3V to export according to usb communication agreement.Power input end mouth 110 can insert a USB, this socket can be provided by power supply adaptor, also can be configured at main frame, and provide electrical power to electric power input pin position 112, the electric power of 3.3V can be provided to export to make electric power input pin position 112.Other pin position of power input end mouth 110 comprises various transfer of data, grounding leg position etc., has nothing to do with the utility model main technical schemes, repeats no more therefore.
As shown in Figures 1 and 2, one end of sample resistance 120 is connected to electric power input pin position 112.
As shown in Figures 1 and 2, switch element 130 is connected to the other end of sample resistance 120, and electric power output pin position 142 is connected to sample resistance 120 by switch element 130.By conducting or the cut-out of switch element 130, can determine to be conducting or open circuit between electric power input pin position 112 and electric power output pin position 142.The specific embodiment of switch element 130 can be a N channel (N-Channel) field metal oxide semiconductcor field effect transistor (MOSFET), wherein, drain (Drain) is connected to sample resistance 120, and source electrode (Source) is connected to electric power output pin position 142, gate (Gate) is then connected to microcontroller 150, and switches to conducting or cut-out by microcontroller 150 control switch element 130.Electric power output pin position 142 belongs to a part for power output end mouth 140, and power output end mouth 140 is the connectivity port meeting usb communication agreement equally.Power output end mouth 140 is in order to connect equipment to be charged, simultaneously, intelligent charge interface arrangement 100 of the present utility model still may be used for the data log between power input end mouth 110 and power output end mouth 140, and namely power input end mouth 110 and power output end mouth 140 can be used for being connected two data processing equipments.Meet power input end mouth 110 and the power output end mouth 140 of usb communication agreement, its physical dimension specification is not limited to standard USB, Mini-USB or Micro USB.Power input end mouth 110 and power output end mouth 140 are also not limited to the port meeting usb communication agreement, also can be the ThunderBolt ports of IEEE 1394 or Apple Computer.In addition, the utility model also can be extended by cable, and intelligent charge interface arrangement 100 is arranged on cable stage casing, the input of cable or the output of cable.
As shown in Figures 1 and 2, microcontroller 150 has inspection terminal 152, and inspection terminal 154 is connected to the two ends of sample resistance 120, and to obtain the voltage of electric power input pin position 112, and detecting is by the charging current of sample resistance 120.Microcontroller 150 also receives 3.3V electric power from electric power input pin position 112 exports, to obtain the running electric power required for microcontroller 150, and as the reference voltage.
In addition, as shown in Figures 1 and 2, microcontroller 150 has a control terminal 156, exports a control signal to switch element 130, and the gate (Gate) of such as MOSFET, with the conducting of control switch element 130 or cut-out.
Microcontroller 150 more comprises instruction terminal 157, instruction terminal 158, in order to export index signal according to charged state.Status indicator lamp numbers 160 is electrically connected at instruction terminal 157, instruction terminal 158, and receives index signal and present charged state with the light and shade of cresset.Wherein, charged state at least comprises charging current.
Consult shown in Fig. 3, the concrete control logic of microcontroller 150 is as follows.
When power input end mouth 110 is connected to external power source, such as, during the connectivity port of power supply adaptor or main frame, the voltage swing of electric power input pin position 112 detected by microcontroller 150, judge whether the voltage swing of electric power input pin position 112 exceedes threshold value, if exceed, microcontroller 150 sends control signal by control terminal 156, switch element 130 is switched to cut-out, makes to stop charging for open circuit between electric power input pin position 112 and electric power output pin position 142.
When electric power output pin position 142 is connected to charging equipment, microcontroller 150 is to indicate terminal 157, the voltage swing of 158 detecting electric power input pin positions 112 and the charging current by sample resistance 120, if voltage or electric current are greater than threshold value, microcontroller 150 sends control signal by control terminal 156, switch element 130 is switched to cut-out, makes to stop charging for open circuit between electric power input pin position 112 and electric power output pin position 142.
When aforesaid voltage and electric current are all normal, microcontroller 150 sends control signal by control terminal 156, and switch element 130 is switched to conducting, makes to be conducting and charging between electric power input pin position 112 and electric power output pin position 142.
Now, microcontroller 150 detecting current size, and by instruction terminal 157, instruction terminal 158, exports index signal according to charged state, makes status indicator lamp numbers 160 present charged state with the light and shade of cresset, such as size of current.
The light and shade of below lifting a cresset presents the example of charged state, but not as limit:
Every circulation 3-5 second is as shown in table 1 below.
Table 1
After the charging current by sample resistance 120 drops to a lower limit, just can be considered as there is no current flowing, and complete the charging of charging equipment, microcontroller 150 sends control signal by control terminal 156, switch element 130 is switched to cut-out, makes to stop charging for open circuit between electric power input pin position 112 and electric power output pin position 142.
The advantage that the utility model has is:
1, by the display of charging current, user is allowed to understand charge efficiency instantly;
2, by the display of charging current, allowing user understand present charged state is at preliminary filling battery, or constant current charge, constant voltage charge fill state soon, still charged complete;
3, user can not be allowed to suspect whether to have charged into not have when charging always;
4, the interface definition on existing charging data line both sides is continued to use, only in interior optimization improvement, completely compatible to use sight, without the need to additionally increasing equipment;
5, except display electric current, more overcurrent can be detected, superpotential display and protection, for charging person provides the safety of charging.
The above; be only preferred embodiment of the present utility model; and be not used to limit scope of patent protection of the present utility model, therefore the change such as equivalence techniques, means of such as using the utility model patent spirit to do, all should in like manner all be contained in scope of patent protection of the present utility model.

Claims (4)

1. an intelligent charge interface arrangement, is characterized in that, comprises:
One power input end mouth, it comprises at least one electric power input pin position, and this electric power input pin position is connected with an external power source;
One sample resistance, its one end is connected to this electric power input pin position;
One switch element, it is connected to the other end of this sample resistance;
One electric power output pin position, it is connected to this sample resistance by this switch element;
One microcontroller, it has two inspection terminals, a control terminal and multiple instruction terminal; This inspection terminal is connected to the two ends of this sample resistance to obtain the voltage of this electric power input pin position; This control terminal exports a control signal to switch element to control conducting or the cut-out of this switch element; And
One group of status indicator lamp number, its index signal being electrically connected at this instruction terminal and receiving from this microcontroller.
2. intelligent charge interface arrangement according to claim 1, is characterized in that, this power input end mouth is the connectivity port meeting usb communication agreement.
3. intelligent charge interface arrangement according to claim 1, is characterized in that, this switch element is a N channel field metal oxide semiconductcor field effect transistor.
4. intelligent charge interface arrangement according to claim 1, is characterized in that, this electric power output pin position belongs to a part for a power output end mouth, and this power output end mouth is the connectivity port meeting usb communication agreement.
CN201520156178.5U 2015-03-19 2015-03-19 Intelligent charge interface arrangement Expired - Fee Related CN204517442U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520156178.5U CN204517442U (en) 2015-03-19 2015-03-19 Intelligent charge interface arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520156178.5U CN204517442U (en) 2015-03-19 2015-03-19 Intelligent charge interface arrangement

Publications (1)

Publication Number Publication Date
CN204517442U true CN204517442U (en) 2015-07-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN204517442U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105871024A (en) * 2016-05-18 2016-08-17 青岛歌尔声学科技有限公司 USB wireless charging device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105871024A (en) * 2016-05-18 2016-08-17 青岛歌尔声学科技有限公司 USB wireless charging device
CN105871024B (en) * 2016-05-18 2019-08-30 青岛歌尔声学科技有限公司 A kind of USB wireless charging device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150729

Termination date: 20180319