CN204928289U - Novel USB charger - Google Patents
Novel USB charger Download PDFInfo
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- CN204928289U CN204928289U CN201520717351.4U CN201520717351U CN204928289U CN 204928289 U CN204928289 U CN 204928289U CN 201520717351 U CN201520717351 U CN 201520717351U CN 204928289 U CN204928289 U CN 204928289U
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- usb
- charging
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- output interface
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Abstract
The utility model discloses a novel USB charger, including control module and the power input module, the module of charging and the USB that connect of the electricity output interface that charges in order, the present case simple structure easily realize, control module with USB charges, and the electricity is connected with discernment voltage output module between D+ and the D - data connection end of output interface, is convenient for to the USB equipment output a plurality of discernment voltage that will charge, and the last charging current detection module that still is connected with of control module is convenient for the discernment voltage that control module locking charging current corresponds when the biggest, thus make the module of charging can be effectual be charged to the USB equipment that will charge, and the present case simple structure easily realize, need not set up on the USB charger to be used for carrying out the USB recognition chip that the communication was discerned with wanting the battery charging outfit, and its effective reduce cost, the price / performance ratio is good to the communication feedback of the USB equipment that need not charge end, its suitability is good, and control is nimble.
Description
[technical field]
The utility model relates to a kind of novel USB charger.
[background technology]
At present, adopt the electronic equipment of USB charging as mobile phone, panel computer, digital camera etc., its common feature charges by the rechargeable battery powered work of nominal 3.7V and the USB charger of employing DC5V, and it has epoch-making meaning.But because the difference of each producer original design and product category, the charger making different equipment join can not be mutually general, maybe can not reach same charging effect.Mobile phone plane plate, with Samsung, apple is example, and the identification voltage of having nothing in common with each other, thus joined charger can not be general.Increasing along with USB charging type electric subset, the intelligent charger of compatible all USB charged electronic equipment can certainly will bring great convenience to consumer, becomes a huge rigid demand.
[utility model content]
The utility model overcomes the deficiency of above-mentioned technology, provides a kind of novel USB charger, and its structure is simple and easy to realize, and applicability is good.
For achieving the above object, the utility model have employed following technical proposal:
A kind of novel USB charger, the Power Entry Module 20 including control module 10 and be electrically connected in turn, for exporting the charging module 30 of DC5V voltage, and the USB for being connected with USB device of will charging charges output interface 40, D+ and the D-data cube computation end that described USB charges on output interface 40 is connected, described control module 10 and described USB charge output interface 40 D+ and D-data cube computation end between be electrically connected with and control for exporting to USB device of will charging the identification voltage output module 50 that several identify voltage by described control module 10, described USB charge output interface 40 power connector end is also connected with for detecting charging current so that described control module 10 lock charging current maximum time corresponding identification voltage charging current detection module 60, described charging current detection module 60 charging current detection signal output is electrically connected with described control module 10 charging current detection signal input.
The novel USB charger of one as above, described charging module 30 and described USB charge between output interface 40 power connector end and are also electrically connected with overvoltage protective module 70.
The novel USB charger of one as above, described control module 10 is also electrically connected with state display module 80.
The novel USB charger of one as above, described Power Entry Module 20 includes the vehicle-mounted cigarette lighter connecting interface 21 and DC/DC modular converter 22 that are electrically connected in turn.
The novel USB charger of one as above, the USB in parallel with the described charging module 30 output output interface 40 that charges is two, each USB charging output interface 40 is connected to charging current detection module 60, described charging module 30 and each USB charge between output interface 40 and are electrically connected with overvoltage protective module 70 respectively, described identification voltage output module 50 includes and is connected electrically in identification voltage amplification module 51 in described control module 10 in turn and controlled binary channels switches output module 52, described controlled binary channels switches the passage bridge control signal input of output module 52 and is electrically connected with the passage bridge control signal output of described control module 10, described controlled binary channels switches the charge data cube computation end of output interface 40 of corresponding and two USB of two output channels of output module 52 and is electrically connected.
The novel USB charger of one as above, described control module 10 comprises the controller and peripheral circuit thereof that model is HT45F23A.
Compared with prior art, the beneficial effects of the utility model are:
1, this case control module 10 and described USB charge output interface 40 D+ and D-data cube computation end between be electrically connected with and identify voltage output module 50, be convenient to export several to USB device of will charging and identify voltage, control module 10 is also connected with charging current detection module 60, be convenient to described control module 10 lock charging current maximum time corresponding identification voltage, thus described charging module 30 can effectively be charged to USB device of will charging, this case structure is simple and easy to realize, USB charger does not need arrange for the USB identification chip wanting charging device to carry out communication identification, it effectively reduces costs, cost performance is good, and the communication feedback of the USB device end that do not need to charge, its applicability is good, control flexibly.
2, described charging module 30 and described USB charge between output interface 40 power connector end and are also electrically connected with overvoltage protective module 70, are convenient to overvoltage protection.
3, this case USB in parallel with described charging module 30 output output interface 40 that charges is two, each USB charging output interface 40 is connected to charging current detection module 60, described charging module 30 and each USB charge between output interface 40 and are electrically connected with overvoltage protective module 70 respectively, described identification voltage output module 50 includes and is connected electrically in identification voltage amplification module 51 in described control module 10 in turn and controlled binary channels switches output module 52, described controlled binary channels switches the passage bridge control signal input of output module 52 and is electrically connected with the passage bridge control signal output of described control module 10, described controlled binary channels switches the charge data cube computation end of output interface 40 of corresponding and two USB of two output channels of output module 52 and is electrically connected, so, it is convenient to each USB identification voltage output of charging on output interface 40 and controls and charging control, be convenient to actual use.
[accompanying drawing explanation]
Fig. 1 is the structured flowchart of this case.
Fig. 2 is the control module circuit diagram of this case.
Fig. 3 is the Power Entry Module circuit diagram of this case.
Fig. 4 is the Power Entry Module of this case, charging module, USB charge output interface, charging current detection module, overvoltage protective module connection layout.
Fig. 5 is identification voltage output module, charging current detection module, the overvoltage protective module connection layout of this case.
Fig. 6 is the state display module circuit diagram of this case.
[embodiment]
The utility model feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technical staff of the same trade:
As shown in figures 1 to 6, a kind of novel USB charger, the Power Entry Module 20 including control module 10 and be electrically connected in turn, for exporting the charging module 30 of DC5V voltage, and the USB for being connected with USB device of will charging charges output interface 40, D+ and the D-data cube computation end that described USB charges on output interface 40 is connected, described control module 10 and described USB charge output interface 40 D+ and D-data cube computation end between be electrically connected with and control for exporting to USB device of will charging the identification voltage output module 50 that several identify voltage by described control module 10, described USB charge output interface 40 power connector end is also connected with for detecting charging current so that described control module 10 lock charging current maximum time corresponding identification voltage charging current detection module 60, described charging current detection module 60 charging current detection signal output is electrically connected with described control module 10 charging current detection signal input.
As shown in Figures 4 and 5, in the present embodiment, described charging module 30 and described USB charge between output interface 40 power connector end and are also electrically connected with overvoltage protective module 70, when the described voltage of charging module 30 output and the difference of DC5V are greater than certain value, NMOS tube cut-off on described overvoltage protective module 70, namely to break the connection of charging between output interface 40GND power cathode link in described charging module 30 power cathode output and described USB, when the voltage resume that described charging module 30 exports is to normal level, NMOS tube conducting on described overvoltage protective module 70, reclose the connection that described charging module 30 power cathode output and described USB charge between output interface 40GND power cathode link.In the present embodiment; as shown in Figure 4; the grid of the NMOS tube of described overvoltage protective module 70 is also electrically connected with described control module 10 by resistance; and be connected with described control module 10 due to described charging current detection module 60; therefore, the overcurrent protection of charging current can also be realized under the control of described control module 10.
As shown in Figure 6, in the present embodiment, described control module 10 is also electrically connected with state display module 80, for showing the operating state of USB charger as charging current etc.
As shown in Figure 3, in the present embodiment, described Power Entry Module 20 includes the vehicle-mounted cigarette lighter connecting interface 21 and DC/DC modular converter 22 that are electrically connected in turn, so, described Power Entry Module 20 is connected on vehicle-mounted cigarette lighter by described vehicle-mounted cigarette lighter connecting interface 21, realizes vehicle-mounted charge.
As shown in Figures 4 and 5, in the present embodiment, the USB in parallel with the described charging module 30 output output interface 40 that charges is two, each USB charging output interface 40 is connected to charging current detection module 60, described charging module 30 and each USB charge between output interface 40 and are electrically connected with overvoltage protective module 70 respectively, described identification voltage output module 50 includes and is connected electrically in identification voltage amplification module 51 in described control module 10 in turn and controlled binary channels switches output module 52, described controlled binary channels switches the passage bridge control signal input of output module 52 and is electrically connected with the passage bridge control signal output of described control module 10, described controlled binary channels switches the charge data cube computation end of output interface 40 of corresponding and two USB of two output channels of output module 52 and is electrically connected.
As mentioned above, in the present embodiment, described control module 10 comprises the controller and peripheral circuit thereof that model is HT45F23A.Separately, during concrete enforcement, the voltage that described controlled binary channels switches in two output channels of output module 52 can also amplify through secondary or just export after convergent-divergent, it is not as the restriction to this case structure, as long as the voltage that described control module 10 outputs to USB charging output interface 40D+ and D-data cube computation end by described identification voltage output module 50 is just passable within the specific limits.
As mentioned above, during work, Power Entry Module 20 connects external power source, charging module 30 is charged by USB, and output interface 40 is outside exports charging current and charging voltage, control module 10 is by identifying that voltage output module 50 exports several identification voltages to the data cube computation end of USB charging output interface 40 and detects charging current on this USB charging output interface 40 by charging current detection module 60, when the charging current that described charging current detection module 60 detects all is less than preset value, show the no-load running of this case USB charger and described USB charging output interface 40 are not connected with USB device of will charging, charge circuit is not formed between the VBUS positive source link of USB charging output interface 40 and GND power cathode link, and when the charging current that described charging current detection module 60 detects is greater than preset value, show that the USB of this case USB charger charges on output interface 40 and be connected with USB device of will charging, described control module 10 lock charging current maximum time corresponding identification voltage, then by identifying that voltage output module 50 exports this identification voltage to D+ and the D-data cube computation end of USB charging output interface 40.
As mentioned above, described control module 10 lock charging current maximum time corresponding identification voltage, thus described charging module 30 can effectively be charged to USB device of will charging, this case structure be simple and easy to realize, USB charger does not need arrange for the USB identification chip wanting charging device to carry out communication identification, it effectively reduces costs, cost performance is good, and the communication feedback of the USB device end that do not need to charge, its applicability is good, controls flexibly.
As mentioned above, what this case was protected is a kind of novel USB charger, and all technical schemes identical or close with this case all should be shown for falling in the protection range of this case.
Claims (6)
1. a novel USB charger, it is characterized in that the Power Entry Module (20) including control module (10) and be electrically connected in turn, for exporting the charging module (30) of DC5V voltage, and the USB for being connected with USB device of will charging charges output interface (40), D+ and the D-data cube computation end that described USB charges on output interface (40) is connected, described control module (10) and described USB charge output interface (40) D+ and D-data cube computation end between be electrically connected with by described control module (10) control be used for export to USB device of will charging the identification voltage output module (50) that several identify voltage, described USB charges and output interface (40) power connector end is also connected with for detecting charging current so that the charging current detection module (60) of identification voltage corresponding when described control module (10) locking charging current is maximum, described charging current detection module (60) charging current detection signal output is electrically connected with described control module (10) charging current detection signal input.
2. the novel USB charger of one according to claim 1, is characterized in that described charging module (30) and described USB charge between output interface (40) power connector end and is also electrically connected with overvoltage protective module (70).
3. the novel USB charger of one according to claim 1, is characterized in that described control module (10) is also electrically connected with state display module (80).
4. the novel USB charger of one according to claim 1, is characterized in that described Power Entry Module (20) includes the vehicle-mounted cigarette lighter connecting interface (21) and DC/DC modular converter (22) be electrically connected in turn.
5. the novel USB charger of the one according to claim 1-4 any one, it is characterized in that the USB in parallel with described charging module (30) the output output interface (40) that charges is two, each USB charging output interface (40) is connected to charging current detection module (60), described charging module (30) and each USB charge between output interface (40) and are electrically connected with overvoltage protective module (70) respectively, described identification voltage output module (50) includes and is connected electrically in identification voltage amplification module (51) in described control module (10) in turn and controlled binary channels switches output module (52), the passage bridge control signal input that described controlled binary channels switches output module (52) is electrically connected with the passage bridge control signal output of described control module (10), described controlled binary channels switches the charge data cube computation end of output interface (40) of corresponding and two USB of two output channels of output module (52) and is electrically connected.
6. the novel USB charger of one according to claim 5, is characterized in that described control module (10) comprises the controller and peripheral circuit thereof that model is HT45F23A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717351.4U CN204928289U (en) | 2015-09-16 | 2015-09-16 | Novel USB charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717351.4U CN204928289U (en) | 2015-09-16 | 2015-09-16 | Novel USB charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928289U true CN204928289U (en) | 2015-12-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520717351.4U Expired - Fee Related CN204928289U (en) | 2015-09-16 | 2015-09-16 | Novel USB charger |
Country Status (1)
| Country | Link |
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| CN (1) | CN204928289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208256A (en) * | 2016-08-30 | 2016-12-07 | 成都锐能科技有限公司 | Airborne electronic equipment terminal charge module |
| CN108899962A (en) * | 2018-08-17 | 2018-11-27 | 浙江科博达工业有限公司 | Automobile-used USB charging module and its charging method |
-
2015
- 2015-09-16 CN CN201520717351.4U patent/CN204928289U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208256A (en) * | 2016-08-30 | 2016-12-07 | 成都锐能科技有限公司 | Airborne electronic equipment terminal charge module |
| CN106208256B (en) * | 2016-08-30 | 2019-03-12 | 成都锐能科技有限公司 | Airborne electronic equipment terminal charge module |
| CN108899962A (en) * | 2018-08-17 | 2018-11-27 | 浙江科博达工业有限公司 | Automobile-used USB charging module and its charging method |
| CN108899962B (en) * | 2018-08-17 | 2021-11-19 | 浙江科博达工业有限公司 | Vehicle USB charging module and charging method thereof |
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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: 20151230 Termination date: 20190916 |