CN201975656U - Switching-over device with charging function - Google Patents
Switching-over device with charging function Download PDFInfo
- Publication number
- CN201975656U CN201975656U CN2010206816735U CN201020681673U CN201975656U CN 201975656 U CN201975656 U CN 201975656U CN 2010206816735 U CN2010206816735 U CN 2010206816735U CN 201020681673 U CN201020681673 U CN 201020681673U CN 201975656 U CN201975656 U CN 201975656U
- Authority
- CN
- China
- Prior art keywords
- resistance
- joint
- pin
- switching device
- resistor
- 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
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a switching-over device with a charging function. The switching-over device comprises a universal adaptor and a special adapter for iPad series products, as well as a switching circuit for connecting the universal adaptor and the special adapter. The switching-over device further comprises a first resistor, a second resistor, a third resistor, a fourth resistor, and a fifth resistor, wherein the first resistor and the second resistor, as well as the third resistor and the fourth resistor are connected in series between a grounding pin and a power supply pin of the universal adaptor; the fifth resistor is connected between the ground and a recognition pin of the special adapter; a grounding pin of the universal adaptor and two grounding pins of the special adapter are all grounded; the power supply pin of the universal adaptor and a power supply pin of the special adapter are connected; and a first data pin and a second data pin of the special adapter are respectively connected between the first resistor and the second resistor as well as between the third resistor and the fourth resistor. The switching-over device with charging function can utilize common power adapters and non-iPad to charge the iPad, and conveniently realize data transmission switching in computer charging process.
Description
Technical field
The utility model relates to a kind of switching device, relates in particular to a kind of switching device with charge function.
Background technology
Apple release panel computer---iPad is subjected to people's welcome deeply, yet when people but are faced with a no small worry when using iPad, that is exactly when iPad need charge, iPad must be connected on the power supply adaptor of iPad special use, perhaps be connected on the computer of apple series.Owing to when iPad is connected on the computer of non-apple series, be merely able to carry out transfer of data, can not charge, so people can't utilize the computer of common USB out-put supply adapter and non-apple series that iPad is charged.Like this,, want charging, just be merely able to utilize the power supply adaptor of iPad special use to iPad for the people of the computer that does not have apple series.
The utility model content
The technical problems to be solved in the utility model is, the defective of iPad being charged at the computer that can't utilize common power supply adaptor and non-apple series in the prior art, a kind of switching device with charge function is provided, comprise universal joint and the special joint that is used for the apple series product, and the built-up circuit that connects described universal joint and special joint, described built-up circuit comprises: the grounding pin and first resistance between the power pins and second resistance that are connected in described universal joint with series system, be connected in grounding pin and the 3rd resistance between the power pins and the 4th resistance of described universal joint with series system, and end and the recognition of devices pin of described special joint the 5th resistance that links to each other other end ground connection, and
First grounding pin of the grounding pin of described universal joint, described special joint and the equal ground connection of second grounding pin;
The power pins of described universal joint links to each other with the power pins of described special joint;
First data pin of described special joint is connected between described first resistance and second resistance;
Second data pin of described special joint is connected between described the 3rd resistance and the 4th resistance.
In the switching device with charge function described in the utility model, the level that the ratio of described first resistance and second resistance satisfies first data pin that makes described special joint is the first charging instruction level, and the level that the ratio of described the 3rd resistance and the 4th resistance satisfies second data pin that makes described special joint is the second charging instruction level.
In the switching device with charge function described in the utility model, described built-up circuit also comprises double-point double-throw switch, and
First data pin of described special joint directly is not connected between described first resistance and second resistance, and links to each other with first contact of described double-point double-throw switch;
Second data pin of described special joint directly is not connected between described the 3rd resistance and the 4th resistance, and links to each other with the second wafer of described double-point double-throw switch;
First terminals of described double-point double-throw switch link to each other with first data pin of described universal joint, second terminals are connected between described first resistance and second resistance, the 3rd terminals link to each other with second data pin of described universal joint, the 4th terminals are connected between described the 3rd resistance and the 4th resistance, the state of described double-point double-throw switch comprises: described first contact contacts with described first terminals, and described the second wafer contacts with described the 3rd terminals simultaneously; And described first contact contacts with described second terminals, and described the second wafer contacts with described the 4th terminals simultaneously.
In the switching device with charge function described in the utility model, described built-up circuit also comprises electric capacity, and the positive pole of described electric capacity links to each other minus earth with the power pins of described universal joint.
In the switching device with charge function described in the utility model, described universal joint is the USB joint.
In the switching device with charge function described in the utility model, described USB joint links to each other with the USB seat of computer, or links to each other with the USB seat of power supply adaptor.
In the switching device with charge function described in the utility model, described special joint is an apple iPad joint, or is apple iPod joint, or is apple iPhone joint.
Implement the switching device that the utility model provides with charge function, has following beneficial effect: can utilize the computer of common power supply adaptor and non-apple series that iPad is charged, and when the computer that utilizes non-apple series charges to iPad, can also switch to easily iPad is carried out transfer of data; In addition, this switching device with charge function is not only applicable to iPad, also is applicable to other apple series products, as iPod and iPhone.
Description of drawings
Fig. 1 is the exchanging structure figure that has the switching device of charge function among the utility model first embodiment;
Fig. 2 is the exchanging structure figure that has the switching device of charge function in the utility model preferred embodiment.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
See also Fig. 1, for having the exchanging structure figure of the switching device of charge function among the utility model first embodiment.As shown in Figure 1, the switching device that has charge function among the utility model first embodiment comprises universal joint and the special joint that is used for the apple series product, and the built-up circuit that connects universal joint and special joint.Wherein, the universal joint note is made J1, and what select for use is the USB joint herein; The special joint note is made J2, can be apple iPad joint or apple iPod joint or apple iPhone joint, and what select for use is apple iPad joint herein.
Each pin to J1 describes below, and J1 comprises following pin:
Each pin to J2 describes below, and J2 comprises following pin:
Pin 5 is first grounding pin, and note is made J2-5;
Pin 6 is first grounding pin, and note is made J2-6;
Built-up circuit comprises following resistance:
First resistance, note is made R1;
Second resistance, note is made R2;
The 3rd resistance, note is made R3;
The 4th resistance, note is made R4;
The 5th resistance, note is made R5.
The annexation of built-up circuit is as follows:
J1-4 links to each other with J2-3, the equal ground connection of J1-1, J2-5 and J2-6, therefore, 5V direct voltage by J1-4 and J1-1 output has been added to J2-3 and J2-5 two ends and J2-3 and J2-6 two ends respectively, the level of the earth is considered as 0, so, the level of the J1-1 of ground connection, J2-5 and J2-6 is 0, and the level of J1-4 and J2-3 then is 5V;
R1 and R2 are connected between J1-4 and the J1-1 with series system, and R3 and R4 are connected between J1-4 and the J1-1 with series system, therefore, the total voltage on total voltage on R1 and the R2 and R3 and the R4 be by J1-4 and J1-1 output+the 5V direct voltage;
R5 one end links to each other with J2-4, other end ground connection.R5 discerns resistance as input equipment, allows the apple products that is connected on the J2 discern external equipment by R5.
J2-1 is connected between R1 and the R2, and J2-2 is connected between R3 and the R4, in fact is equivalent to utilize R1 and R2 to carry out dividing potential drop, and dividing potential drop is added between J2-1 and the earth, make the level of J2-1 satisfy the first charging instruction level, first charging instruction level note is made U, the ratio of R1 and R2 then satisfies so:
Same reason is utilized R3 and R4 to carry out dividing potential drop, and dividing potential drop is added between J2-2 and the earth, makes the level of J2-2 satisfy the second charging instruction level, and second charging instruction level note is made U ', and the ratio of R3 and R4 then satisfies so:
The switching device with charge function that utilizes the utility model first embodiment to provide charges to iPad, just only J1 need be linked to each other with computer or link to each other with power supply adaptor, and J2 is linked to each other with iPad, and is very convenient.And above-mentioned computer can be the computer of non-apple series, above-mentioned power supply adaptor can be that output voltage is the common power adapter of 5V direct voltage, thereby has solved the problem that the computer that can't utilize common power supply adaptor and non-apple series in the prior art charges to iPad.
See also Fig. 2, be the exchanging structure figure of the switching device that has charge function in the utility model preferred embodiment.As shown in Figure 2, the switching device that has charge function in the utility model preferred embodiment is the improvement that has in the utility model first embodiment on the basis of switching device of charge function.Mainly contain following improvement:
The first, J2-1 directly is not connected between R1 and the R2, and J2-2 directly is not connected between R3 and the R4, and has set up double-point double-throw switch, and the structure of this double-point double-throw switch comprises:
First contact, note is made S1;
The second wafer, note is made S2;
First terminals, note is made a;
Second terminals, note is made b;
The 3rd terminals, note is made c;
Ground four terminals, note is made d,
The annexation of this double-point double-throw switch comprises:
S1 links to each other with J2-1, and S2 links to each other with J2-2;
A links to each other with J1-3, and c links to each other with J1-2;
B is connected between R1 and the R2, and d is connected between R3 and the R4,
The state of this double-point double-throw switch comprises:
Data transmission state, this moment, S1 contacted with a, and S2 contacts with c simultaneously, and this state is actually J1-3 is linked to each other with J2-1, and J1-2 links to each other with J2-2, just can carry out transfer of data when J1 is connected on the computer;
Charged state, this moment, S1 contacted with b, and S2 contacts with d simultaneously, and this state is actually J2-1 is connected between R1 and the R2, and J2-2 is connected between R3 and the R4, is equivalent to the switching device with charge function among the utility model first embodiment.
The double-point double-throw switch of setting up makes the switching device with charge function in the utility model preferred embodiment use conveniently can utilize switch switching state easily, selects transfer of data or charging according to user's wish.
The second, set up electric capacity, note is made C, and the C positive pole links to each other with J1-4, minus earth.Because the voltage at electric capacity two ends can not suddenly change, thereby C can suppress the fluctuation of voltage as filter capacitor, makes voltage become steadily smooth, when preventing voltage instability device caused harmful effect.It is a kind of more excellent way that electric capacity is set, and in actual production, for reducing cost, also electric capacity can be set, can not cause too much influence to this device.
In sum, implement the switching device that the utility model preferred embodiment provides with charge function, can utilize the computer of common power supply adaptor and non-apple series that iPad is charged, and when the computer that utilizes non-apple series charges to iPad, can also switch to iPad is carried out transfer of data, iPad user only need carry the switching device with charge function that the utility model preferred embodiment provides like this, just can be implemented on any computer to iPad charging and transfer of data, make iPad user thoroughly break away from the restriction of power source special adapter device, for the user has brought convenience; The switching device with charge function that the utility model preferred embodiment provides is not only applicable to iPad, also is applicable to other apple series products, as iPod and iPhone, has increased the scope of application; In addition, in the switching device with charge function that the utility model preferred embodiment provides, the setting of filter capacitor can also increase fail safe.
The utility model is described according to specific embodiment, but it will be understood by those skilled in the art that when not breaking away from the utility model scope, can carry out various variations and be equal to replacement.In addition, for adapting to the specific occasion of the utility model technology, can carry out many modifications and not break away from its protection range the utility model.Therefore, the utility model is not limited to specific embodiment disclosed herein, and comprises that all drop into the embodiment of claim protection range.
Claims (7)
1. switching device with charge function, comprise universal joint and the special joint that is used for the apple series product, and the built-up circuit that connects described universal joint and special joint, it is characterized in that, described built-up circuit comprises: the grounding pin and first resistance between the power pins and second resistance that are connected in described universal joint with series system, be connected in grounding pin and the 3rd resistance between the power pins and the 4th resistance of described universal joint with series system, and end and the recognition of devices pin of described special joint the 5th resistance that links to each other other end ground connection, and
First grounding pin of the grounding pin of described universal joint, described special joint and the equal ground connection of second grounding pin;
The power pins of described universal joint links to each other with the power pins of described special joint;
First data pin of described special joint is connected between described first resistance and second resistance;
Second data pin of described special joint is connected between described the 3rd resistance and the 4th resistance.
2. the switching device with charge function according to claim 1, it is characterized in that, the level that the ratio of described first resistance and second resistance satisfies first data pin that makes described special joint is the first charging instruction level, and the level that the ratio of described the 3rd resistance and the 4th resistance satisfies second data pin that makes described special joint is the second charging instruction level.
3. the switching device with charge function according to claim 2 is characterized in that described built-up circuit also comprises double-point double-throw switch, and
First data pin of described special joint directly is not connected between described first resistance and second resistance, and links to each other with first contact of described double-point double-throw switch;
Second data pin of described special joint directly is not connected between described the 3rd resistance and the 4th resistance, and links to each other with the second wafer of described double-point double-throw switch;
First terminals of described double-point double-throw switch link to each other with first data pin of described universal joint, second terminals are connected between described first resistance and second resistance, the 3rd terminals link to each other with second data pin of described universal joint, the 4th terminals are connected between described the 3rd resistance and the 4th resistance, the state of described double-point double-throw switch comprises: described first contact contacts with described first terminals, and described the second wafer contacts with described the 3rd terminals simultaneously; And described first contact contacts with described second terminals, and described the second wafer contacts with described the 4th terminals simultaneously.
4. the switching device with charge function according to claim 3 is characterized in that described built-up circuit also comprises electric capacity, and the positive pole of described electric capacity links to each other minus earth with the power pins of described universal joint.
5. according to any described switching device in the claim 1 to 4, it is characterized in that described universal joint is the USB joint with charge function.
6. the switching device with charge function according to claim 5 is characterized in that, described USB joint links to each other with the USB seat of computer, or links to each other with the USB seat of power supply adaptor.
7. according to any described switching device in the claim 1 to 4, it is characterized in that described special joint is an apple iPad joint, or be apple iPod joint, or be apple iPhone joint with charge function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206816735U CN201975656U (en) | 2010-12-24 | 2010-12-24 | Switching-over device with charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206816735U CN201975656U (en) | 2010-12-24 | 2010-12-24 | Switching-over device with charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975656U true CN201975656U (en) | 2011-09-14 |
Family
ID=44580752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206816735U Expired - Fee Related CN201975656U (en) | 2010-12-24 | 2010-12-24 | Switching-over device with charging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975656U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769320A (en) * | 2012-07-31 | 2012-11-07 | 徐州华夏电子有限公司 | Car charging device for iphone |
| CN102916463A (en) * | 2012-07-27 | 2013-02-06 | 深圳市显盈电子科技有限公司 | Intelligent USB (universal serial bus) charger |
| WO2014130976A1 (en) * | 2013-02-22 | 2014-08-28 | Ikingdom Corp | System and method for utilizing standard four wire usb for multiple power modes and out of band state management |
-
2010
- 2010-12-24 CN CN2010206816735U patent/CN201975656U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916463A (en) * | 2012-07-27 | 2013-02-06 | 深圳市显盈电子科技有限公司 | Intelligent USB (universal serial bus) charger |
| CN102916463B (en) * | 2012-07-27 | 2015-08-19 | 深圳市显盈电子科技有限公司 | USB intelligent charger |
| CN102769320A (en) * | 2012-07-31 | 2012-11-07 | 徐州华夏电子有限公司 | Car charging device for iphone |
| WO2014130976A1 (en) * | 2013-02-22 | 2014-08-28 | Ikingdom Corp | System and method for utilizing standard four wire usb for multiple power modes and out of band state management |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103106167B (en) | A kind of USB device and control method thereof | |
| CN102904241B (en) | The protection circuit of reversible connectors | |
| CN104704704A (en) | Charging circuit and terminal | |
| CN201975656U (en) | Switching-over device with charging function | |
| CN105048607B (en) | A kind of new multi output lithium battery source device and its control method | |
| CN201112509Y (en) | Multipurpose charging device | |
| CN101833526A (en) | Electronic system and method for supporting host function | |
| CN103812147A (en) | Battery charging control system | |
| CN205911544U (en) | Portable removal charger data line | |
| CN202798035U (en) | Charging mode detection circuit and mobile terminal | |
| CN103309247A (en) | Power supply control circuit and electronic device | |
| CN203520878U (en) | Multifunctional U disk | |
| CN106100014A (en) | A kind of charging circuit and charging method | |
| CN202050148U (en) | General multifunctional USB (universal serial bus) cellphone data line | |
| CN101902061B (en) | Method for controlling connection and disconnection of charge path of battery, circuit and battery | |
| CN208062831U (en) | Realize the control system of the bis- chargings of DC and Micro USB | |
| CN104052091A (en) | Novel battery management architecture capable of charging in subareas and discharging in series areas | |
| CN105322620A (en) | Charge and discharge device of lithium battery pack | |
| CN203014115U (en) | Mobile equipment adapter | |
| CN205377439U (en) | Mobile charging device | |
| CN206498225U (en) | A kind of battery protecting circuit of electrical equipment and its supporting charger | |
| CN203983681U (en) | The data wire with quick-charge function | |
| US20140217961A1 (en) | Portable power supply having lower charging voltage than discharging voltage | |
| CN201985408U (en) | Rechargeable data cable | |
| CN201298570Y (en) | Rechargeable battery and charger for mobile telephone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20111224 |