CN203014115U - Mobile equipment adapter - Google Patents
Mobile equipment adapter Download PDFInfo
- Publication number
- CN203014115U CN203014115U CN 201220694630 CN201220694630U CN203014115U CN 203014115 U CN203014115 U CN 203014115U CN 201220694630 CN201220694630 CN 201220694630 CN 201220694630 U CN201220694630 U CN 201220694630U CN 203014115 U CN203014115 U CN 203014115U
- Authority
- CN
- China
- Prior art keywords
- mobile device
- power supply
- battery
- circuit
- mobile equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007600 charging Methods 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims description 31
- 238000004891 communication Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a mobile equipment adapter. The mobile equipment adapter comprises a computer connector and a mobile equipment connector, and further comprises a power supply module, wherein the power supply module is connected with the computer connector and the mobile equipment connector respectively. The power supply module comprises a power switching circuit, a first protection circuit and a battery, wherein the power switching circuit is electrically connected with the computer connector and the mobile equipment connector respectively; and the first protection circuit is electrically connected with the power switching circuit and the battery respectively. The mobile equipment adapter can be used singly for supplying power to the mobile equipment; when the battery of the power supply module serves as a charging battery, the charging battery can be charged through the computer connector when the computer connector is connected with an external power supply, and thus a problem of single functionality of a common mobile equipment adapter is solved.
Description
Technical field
The utility model relates to the adapter technical field, particularly a kind of mobile device converter.
Background technology
Mobile device converter commonly used, can only use as data wire or charging wire in the market, namely can only carry out single signal converting between two kinds of equipment; After Offhost or charger, can't give mobile power supply equipment; Simultaneously, when the power supply of mobile device goes wrong, such as the dead battery of mobile device or electricity shortage, in the time of can not providing burning voltage, mobile device converter commonly used can not stably be powered to mobile device as power supply, and mobile device can't continue to use this moment.To sum up, mobile device converter commonly used does not possess power supply function, has the problem of function singleness.
The utility model content
Main purpose of the present utility model is to provide a kind of mobile device converter of charged, and being intended to solve mobile device converter can not be to the problem of mobile power supply equipment.
The utility model provides a kind of mobile device converter, comprises ECU connectors and mobile device joint, also comprises power module, and described power module is connected with the mobile device joint with described ECU connectors respectively;
Described power module comprises power supply switch circuit, the first protective circuit and battery, and described power supply switch circuit is connected with the mobile device joint with described ECU connectors respectively and is connected; Described the first protective circuit respectively with described power supply switch circuit be connected battery conductive and be connected.
Preferably, described power module also comprises the second protective circuit and charging circuit, and described the second protective circuit is connected with described ECU connectors by described charging circuit, also is connected with described battery conductive.
Preferably, described power module is fixedly connected with described ECU connectors, is integrative-structure, is arranged in the housing of the described ECU connectors of carrying.
Preferably, described power module is fixedly connected with described mobile device joint, is integrative-structure, is arranged in the housing of the described mobile device joint of carrying.
Preferably, also be provided with on the housing of the housing of described carrying ECU connectors or carrying mobile device joint for the fixing lanyard hole of lanyard.
The utility model mobile device converter, comprise power module, can provide power supply for mobile device separately, and when the battery of power module is rechargeable battery, can charge to rechargeable battery by ECU connectors when ECU connectors connects extraneous power supply, thereby solve the problem of mobile device converter function singleness commonly used.
Description of drawings
Fig. 1 is the utility model mobile device converter one example structure schematic diagram;
Fig. 2 is power module one example structure schematic diagram in the utility model mobile device converter;
Fig. 3 is the concrete embodiment electrical block diagram of using of power supply switch circuit in Fig. 2 embodiment;
Fig. 4 is the concrete embodiment electrical block diagram of using of the second protective circuit in Fig. 2 embodiment;
Fig. 5 is the concrete embodiment electrical block diagram of using of charging circuit in Fig. 2 embodiment.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.The USBKey(digital certificate), mobile phone, digital camera, Digital Video etc. mobile device described in the utility model comprises:.
With reference to Fig. 1, Fig. 1 is the utility model mobile device converter one example structure schematic diagram; As shown in Figure 1, the utility model mobile device converter comprises: ECU connectors 11 and mobile device joint 21, also comprise power module 30, described power module 30 can be arranged on in the housing that carries ECU connectors 11, also can be arranged in the housing for carrying mobile device joint 21.
As shown in Figure 1, the power module 30 in the utility model mobile device converter comprises:
Power supply switch circuit 31, the first protective circuit 32 and battery 33, wherein battery 33 is disposable battery or rechargeable battery.Described power supply switch circuit 31 are connected with the mobile device joint with described ECU connectors 11 respectively the conduction be connected; Described the first protective circuit 32 respectively with described power supply switch circuit 31 be connected battery 33 conduction and be connected.
Is connected with power supply units such as main frame or chargers by ECU connectors 11 at mobile device converter, by mobile device joint 21 with after the mobile device that accesses is connected, the automatic ECU connectors 11 that passes through of power supply switch circuit 31 is from the main frame power taking; When the voltage that the first protective circuit 32 judgements get is normal voltage, give the mobile power supply equipment of access by mobile device joint 21.When the voltage that gets from main frame in the first protective circuit 32 judgement is improper voltage, or described ECU connectors 11 is not when there is no the power supply unit such as access host or charger, and power supply switch circuit 31 will be given the mobile power supply equipment that accesses by battery 33; At this moment, the first protective circuit 32 judges whether the supply current of battery 33 is normal, if normal, gives the mobile power supply equipment of access by battery 33; When the supply current of the first protective circuit 32 judgement batteries 33 is undesired, will forbid battery 33 mobile power supply equipments to access.In a preferred embodiment, the voltage comparator circuit that the first protective circuit 32 can arrange by inside, whether the supply power voltage that judgement is obtained by ECU connectors 11 is normal; By the current comparison circuit that inside arranges, judge whether the supply current that battery 33 provides is normal.
Please refer to Fig. 2, Fig. 2 is power module one example structure schematic diagram in the utility model mobile device converter; As shown in Figure 2; in the utility model mobile device converter; power module 30 also comprises the second protective circuit 34 and charging circuit 35; described the second protective circuit 34 is connected with described ECU connectors 11 by described charging circuit 35; also be connected with described battery 33 conductions, battery 33 is rechargeable battery.
Particularly, when mobile device converter connected main frame or charger use by ECU connectors 11, power supply switch circuit 31 was automatically from ECU connectors 11 power takings; When the second protective circuit 34 judged that the charging voltage of passing through ECU connectors 11 is normal, power supply switch circuit 31 was rechargeable battery 33 chargings by charging circuit 35; The second protective circuit 34 detects always and judges whether charging voltage is normal, and when charging voltage was too high or too low, the second protective circuit 34 cut-outs were connected with charging circuit 35, protection rechargeable battery 33.The mobile device joint 21 of the utility model mobile device converter is connected with the mobile device of access, power supply is provided or carries out data communication.
When disconnection ECU connectors 11 is connected with main frame or charger, when the mobile device joint 21 of the utility model mobile device converter is connected with the mobile device of access, power supply switch circuit 31 automaticallyes switch and uses 33 pairs of built-in rechargeable batteries to need the mobile devices of power supply to power, and the mobile device that continues as access provides power supply.Power supply switch circuit 31 can be by the judgement supply voltage of host side and internal battery 33 the size of voltage, the power supply of the mobile device of access is automaticallyed switch.Particularly, during higher than the voltage of battery 33, it is the mobile power supply equipment of access that power supply switch circuit 31 uses host power supplies when main frame voltage; During lower than battery 33 voltage, power supply switch circuit 31 automatically switches to internal battery 33 and is the mobile power supply equipment of access when main frame voltage.In a preferred embodiment, power supply switch circuit 31 can pass through built-in voltage comparator circuit, the supply voltage of judgement host side and the voltage swing of internal battery 33.
The power supply capacity of rechargeable battery 33 can be used according to product needed the rechargeable battery of different capabilities; When the first protective circuit 32 is powered at the mobile device that uses 33 pairs of accesses of battery, if the mobile device of access is abnormal, cause electric current excessive, the first protective circuit 32 will be turn-offed the power supply output of rechargeable battery 33, the power circuit of protection battery 33; Simultaneously, when the output voltage of rechargeable battery 33 was too low, the first protective circuit 32 also can be turn-offed the power supply output of rechargeable battery 33, prevents the overdischarge of rechargeable battery 33.When the first protective circuit 32 is turn-offed the power supply output of rechargeable battery 33; if the mobile device of access is without extremely; after mobile device converter access host again or charger; when needing rechargeable battery that the mobile device of access is powered, rechargeable battery 33 can continue as the power supply output voltage.The second protective circuit 34 is turn-offed charging circuit 35 when the electric weight of internal battery 33 is full of, prevent from overcharging the life-span that affects rechargeable battery 33.
Particularly, when battery 33 was rechargeable battery, please together with reference to Fig. 3, Fig. 4 and Fig. 5, Fig. 3 was the concrete embodiment electrical block diagram of using of power supply switch circuit in Fig. 2 embodiment; Fig. 4 is the concrete embodiment electrical block diagram of using of the second protective circuit in Fig. 2 embodiment; Fig. 5 is the concrete embodiment electrical block diagram of using of charging circuit in Fig. 2 embodiment.
When battery 33 is rechargeable battery, power supply switch circuit 31 is adopting two groups of ST(STMicw Electronics) concrete application circuit during semi-conductive 1N5819 Schottky diode is as shown in Figure 3, the JP1 end is the input of ECU connectors 11, BAT_VCC is the power output end of rechargeable battery 33, and the U1 end is the mobile device end by 21 accesses of mobile device joint; The positive pole of Schottky diode D1 connects the power output end of ECU connectors, and negative pole connects the power input of mobile device joint; The positive pole of Schottky diode D2 connects the positive pole of battery, and negative pole connects the power input of mobile device joint.
When the electric power output voltage of the main process equipment that accesses by ECU connectors 11 is 5V, rechargeable battery 33 output voltages are 3.6 ~ 4.2V, because unilateral conduction and the diode itself of diode has a constant pressure drop, mobile device joint 21 is that the output voltage of Micro/MiniUSB end is about 4.7V, this voltage is higher than the output voltage of rechargeable battery 33 simultaneously, so electric current can not flow out from diode D2, can not pour in down a chimney to rechargeable battery 33 yet.When the main process equipment no-output voltage by ECU connectors 11 access, and need to be with the main process equipment communication time, rechargeable battery 33 can be that Micro/MiniUSB holds to mobile device joint 21 by the voltage of diode D2 output 3.3 ~ 3.9V; Same principle, the electric current of diode D2 output can not pour in down a chimney to the main process equipment by ECU connectors 11 accesses from diode D1 yet.Rechargeable battery 33 can also use more than charging circuit 35 rises to 5V with voltage, if the mobile device by 21 accesses of mobile device joint need to provide 5V voltage, and the main process equipment by ECU connectors 11 access is this mobile power supply equipment after rechargeable battery 33 can use built-in chargeable circuit 35 to boost can't provide enough voltage the time.
When battery 33 is rechargeable battery, the concrete application circuit of the second protective circuit 34 employing FS325 family chips as shown in Figure 4, the positive pole of rechargeable battery 33 is connected with the input of the second protective circuit 34, one end of resistance R 1 is connected with the positive pole of battery 33, and the other end is connected with the VDD pin of FS325 chip; The positive pole of polar capacitor C1 is connected with the VDD pin of FS325 chip, after the negative pole of the negative pole of capacitor C 1 and battery 33 interconnects, then is connected with the VSS pin of FS325 chip; The OD pin of FS325 chip, OC pin are connected with the grid of N-channel MOS pipe M1, M2 respectively; The positive pole of diode D3 is connected with the source electrode of M1, negative pole is connected with the drain electrode of M1; The positive pole of diode D4 is connected with the source electrode of M2, negative pole is connected with the drain electrode of M2; Diode D1, D2 prevent that the source electrode of metal-oxide-semiconductor M1, M2 and drain electrode from connecing inverse time, burn out metal-oxide-semiconductor, also can when the second protective circuit 34 has reverse induced potential, for reverse induced potential provides path, avoid reverse induced potential to puncture metal-oxide-semiconductor M1, M2.The CSI pin of FS325 chip is connected with the output of the second protective circuit 34 through after resistance R 2.The FS325 chip overcharges for battery 33 provides, cross put, overcurrent and short-circuit protection; Particularly, M1 prevents that the mistake of battery 33 from putting when battery 33 discharge; M2 prevents overcharging of battery 33 when battery 33 charging; Resistance R 1 is used for battery 33 is carried out electrostatic protection, the reverse protection when resistance R 2 is used for battery 33 charging.
When battery 33 is rechargeable battery, the concrete application circuit when charging circuit 35 adopts the LTC4054 chip as shown in Figure 5, the input of charging circuit 35 is ground connection after polarity free capacitor C2, simultaneously, the input V of charging circuit 35
INBe connected with the VCC pin of LTC4054 chip; The BAT pin of LTC4054 chip is connected with the positive pole of rechargeable battery 33, the minus earth of battery 33; The PROG pin of LTC4054 chip is by the rear ground connection of resistance R 3, the GND pin ground connection of LTC4054 chip; To battery 33 charging the time, by 2 couples of input V of capacitor C
INThe charging current of input is carried out filtering; Can be according to the capacity of battery 33, by the charging current of resistance R 3 settings to battery 33; Such as, when the capacity of rechargeable battery 33 is 4.2V, resistance R 3 is set is 1.65K ohm, can be set as 600 milliamperes to the charging current of battery 33.
In a preferred embodiment, described power module 30 is fixedly connected with, is integrative-structure with ECU connectors 11, both can be arranged on the same circuit board, and described circuit board is fixedly installed in the housing of the described ECU connectors 11 of carrying.
In a preferred embodiment, described power module 30 is fixedly connected with, is integrative-structure with mobile device joint 21, both can be fixedly installed in the housing of the described mobile device joint 21 of carrying.
In a preferred embodiment, carry on the housing of the housing of described ECU connectors 11 or carrying mobile device joint 21, also be provided with the lanyard hole, be used for fixedly lanyard, facilitate carrying of the utility model mobile device converter.
In a preferred embodiment, described ECU connectors 11 can be USB(Universal Serial Bus, USB) the A type is public mouthful, described mobile device joint 21 can be mini for Mini() or the Micro(microminiature) the public mouth of USB, the utility model mobile device converter is connected with Mini or the female mouth of Micro USB of mobile device by mobile device joint 21 Mini or the male mouth of Micro USB, for this mobile device that accesses provides power supply, perhaps make this mobile device and other equipment carry out data communication.Described main frame is with the PC of female mouthful of USB A type etc., can be connected with mobile device converter by female mouthful, USB A type, and with the mobile device equipment that carries out data interaction of access mobile device converter, preferred, also can provide power supply for mobile device by female mouthful, USB A type.Described charger is the charger with female mouthful, USB A type.
Particularly, for the wireless device with USB interface, such as bluetooth equipment, WIFI(Wireless Fidelity, WLAN (wireless local area network)) equipment, NFC(Near Field Communication, close range wireless communication) equipment etc., need to carry out power taking in order to carry out proper communication by connecting charger or main frame etc. usually; In case break away from charger or main frame, the functions such as the bluetooth of above-mentioned wireless device, WIFI, NFC can't be used, the utility model mobile device converter is after mobile device breaks away from charger or main frame, and internal battery can continue as the power supply of band USB interface wireless device.In addition, the mobile device of other types such as panel computer etc. are weak in power supply capacity, when not enough to the supply power voltage of the large USB communication apparatus of the power consumption of access, the built-in power supply switch circuit of the utility model mobile device converter can be according to the change in voltage situation, switch to built-in rechargeable battery the usb communication equipment of access is powered, guarantee both reliabilities of communication of mobile device and usb communication equipment.
The utility model mobile device converter, comprise power module, can provide power supply for mobile device separately, and when the battery of power module is rechargeable battery, can charge to rechargeable battery by ECU connectors when ECU connectors connects extraneous power supply, thereby solve the problem of mobile device converter function singleness commonly used.
The above is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (5)
1. a mobile device converter, comprise ECU connectors and mobile device joint, it is characterized in that, also comprises power module, and described power module is connected with the mobile device joint with described ECU connectors respectively;
Described power module comprises power supply switch circuit, the first protective circuit and battery, and described power supply switch circuit is connected with the mobile device joint with described ECU connectors respectively and is connected; Described the first protective circuit respectively with described power supply switch circuit be connected battery conductive and be connected.
2. mobile device converter according to claim 1; it is characterized in that; described power module also comprises the second protective circuit and charging circuit, and described the second protective circuit is connected with described ECU connectors by described charging circuit, also is connected with described battery conductive.
3. mobile device converter according to claim 1 and 2, is characterized in that, described power module is fixedly connected with described ECU connectors, is integrative-structure, is arranged in the housing of the described ECU connectors of carrying.
4. mobile device converter according to claim 1 and 2, is characterized in that, described power module is fixedly connected with described mobile device joint, is integrative-structure, is arranged in the housing of the described mobile device joint of carrying.
5. mobile device converter according to claim 1 and 2, is characterized in that, also is provided with on the housing of the housing of described carrying ECU connectors or carrying mobile device joint for the fixing lanyard hole of lanyard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694630 CN203014115U (en) | 2012-12-14 | 2012-12-14 | Mobile equipment adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694630 CN203014115U (en) | 2012-12-14 | 2012-12-14 | Mobile equipment adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203014115U true CN203014115U (en) | 2013-06-19 |
Family
ID=48605673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220694630 Expired - Fee Related CN203014115U (en) | 2012-12-14 | 2012-12-14 | Mobile equipment adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203014115U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474850A (en) * | 2013-09-13 | 2013-12-25 | 深圳市文鼎创数据科技有限公司 | Signal patch cord |
| CN103474851A (en) * | 2013-09-13 | 2013-12-25 | 深圳市文鼎创数据科技有限公司 | Signal patch cord |
| CN105846265A (en) * | 2016-03-31 | 2016-08-10 | 大连楼兰科技股份有限公司 | Terminal interconnection cable based on OTG technology and using method thereof |
-
2012
- 2012-12-14 CN CN 201220694630 patent/CN203014115U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474850A (en) * | 2013-09-13 | 2013-12-25 | 深圳市文鼎创数据科技有限公司 | Signal patch cord |
| CN103474851A (en) * | 2013-09-13 | 2013-12-25 | 深圳市文鼎创数据科技有限公司 | Signal patch cord |
| CN105846265A (en) * | 2016-03-31 | 2016-08-10 | 大连楼兰科技股份有限公司 | Terminal interconnection cable based on OTG technology and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105322397B (en) | USB port connector and its implementation with charging protection function | |
| CN204407954U (en) | Multiinputoutput fills portable power source soon | |
| US20110012552A1 (en) | Electrical power source | |
| CN101882701B (en) | Charging method and system | |
| CN103618353A (en) | Battery monitoring circuit | |
| CN110829585A (en) | Two-way power supply device and power supply system | |
| CN104617632B (en) | Charging device adaptable to different electronic devices, charging method thereof, and electronic device | |
| CN201252411Y (en) | Power supply device with a plurality of power supply output ports and USB ports | |
| CN203014115U (en) | Mobile equipment adapter | |
| CN207474738U (en) | Charging data line with digital display function | |
| CN205122913U (en) | Multi -functional intelligent movement arranges and inserts | |
| WO2021103102A1 (en) | Two-circuit power supply device and power supply system | |
| CN203071367U (en) | Mobile device adaptor | |
| CN207691493U (en) | A kind of intelligent charger | |
| CN105870990A (en) | Rechargeable battery protection circuit and mobile terminal | |
| CN204441950U (en) | Charging device and electronic equipment that can be adapted to different electronic equipment | |
| CN103972756A (en) | USB (Universal Serial Bus) charging connecting wire capable of performing countdown power failure | |
| CN203933099U (en) | A kind of portable power source device | |
| CN202474940U (en) | Lithium battery miner's lamp charging management switch based on current direction | |
| CN102157969A (en) | Portable charge device | |
| CN201699253U (en) | Power supply seat with intelligent charging function | |
| CN214626428U (en) | Charging unit showing battery percentage | |
| CN108134415A (en) | A kind of multifunctional charger | |
| CN205377439U (en) | Mobile charging device | |
| CN103248099A (en) | Intelligent charging control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130619 Termination date: 20181214 |