CN204376501U - A kind of USB charging inlet module - Google Patents
A kind of USB charging inlet module Download PDFInfo
- Publication number
- CN204376501U CN204376501U CN201520118619.2U CN201520118619U CN204376501U CN 204376501 U CN204376501 U CN 204376501U CN 201520118619 U CN201520118619 U CN 201520118619U CN 204376501 U CN204376501 U CN 204376501U
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- Prior art keywords
- voltage
- processor unit
- voltage regulation
- charging inlet
- regulation unit
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Abstract
The utility model discloses a kind of USB charging inlet module, comprise processor unit, power distribution circuit, the first voltage regulation unit and USB interface, the power input port of power distribution circuit connects vehicle battery, ignition lock coherent signal is connected to the first input end of processor unit, first output of processor unit is connected to the control end of the first voltage regulation unit, and the first voltage output end of power distribution circuit is connected to USB interface through the first voltage regulation unit.The utility model for motor vehicle provide more flexibly, USB charging inlet module easily.
Description
Technical field
The utility model relates to automotive field, particularly relates to a kind of USB charging inlet module.
Background technology
Along with the development of electronic industry, increasing electronic product becomes the necessity of people's life, such as smart mobile phone, iPAD and GPS etc.The application of these electronic products facilitates the life of people, but, but there is limited battery capacity and the too fast problem of electric quantity consumption.
In a motor vehicle, usually vehicle-mounted charge is carried out by USB device external on ignition lock, or the USB port on some audio-visual playback equipment carries out vehicle-mounted charge, on the one hand charge port quantity and position restricted, on the other hand, just can only can charge under vehicle ignition locks ACC (auxiliary electric power supply) and IG (priming supply) discharge condition, which increase much unnecessary storage battery energy consumption.
Utility model content
The purpose of this utility model is to provide a kind of USB charging inlet module, realizes motor vehicle is charged by USB interface at any time.
For this reason, the utility model provides a kind of USB charging inlet module, comprise processor unit, power distribution circuit, the first voltage regulation unit and USB interface, the power input port of power distribution circuit connects vehicle battery, ignition lock coherent signal is connected to the first input end of processor unit, first output of processor unit is connected to the control end of the first voltage regulation unit, and the first voltage output end of power distribution circuit is connected to USB interface through the first voltage regulation unit.
Optionally, described first voltage regulation unit comprises the pwm circuit, power control module, integrating circuit and the voltage stabilizing circuit that connect successively, USB interface voltage output control terminal mouth connects the input of pwm circuit, and the voltage input end of power control circuit connects the first voltage output end of power distribution circuit.
Optionally, also comprise the second voltage regulation unit and dormancy control circuit, second voltage output end of power distribution circuit connects the input of the second voltage regulation unit, the output of the second voltage regulation unit is connected to the power port of processor unit, second output of processor unit is connected to dormancy control circuit, and the output of dormancy control circuit connects the control end of the second voltage regulation unit.
Optionally, interconnective load detecting and overload protecting circuit is also comprised with processor unit.
Optionally, USB interface is multiple.
Optionally, ignition lock coherent signal is exported to the first input end of processor unit by car body controller.
The USB charging inlet module that the utility model embodiment provides, the phase-locked OFF signal of igniting is connected at the input of processor unit, the output control voltage regulon of processor unit, and then provide suitable output voltage for USB interface, like this, even if also can be terminal to provide charging service when ignition lock closes, simultaneously, USB interface can be placed in position suitable in motor vehicle, realize in motor vehicle more flexibly, USB charging inlet module easily.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the USB charging inlet module of the utility model embodiment.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, therefore the utility model is not by the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when describing the utility model embodiment in detail; for ease of explanation; the profile of indication device structure can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.In addition, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
As shown in Figure 1, the USB charging inlet module of the utility model embodiment, comprise processor unit 100, power distribution circuit 200, first voltage regulation unit 300 and USB interface 400, the power input port of power distribution circuit 200 connects vehicle battery 800, ignition lock coherent signal is connected to the first input end 110 of processor unit 100, first output 120 of processor unit 100 is connected to the control end of the first voltage regulation unit 300, first voltage output end 210 of power distribution circuit 200 is connected to USB interface 400 through the first voltage regulation unit 300.
In embodiment of the present utility model, utilize vehicle battery 800 as power supply, for USB interface provides power supply, first vehicle battery 800 is connected to power distribution circuit 200, the output voltage of vehicle battery is generally 12V, power distribution circuit 200 is for changing the output voltage of storage battery into required voltage, and power distribution circuit 200 can be such as battery management chip.
First output 210 of power distribution circuit 200 is connected to the first voltage regulation unit 300, first voltage regulation unit 300 comprises PWM (pulse width modulation) circuit 310, power control module 320, integrating circuit 330 and the voltage stabilizing circuit 340 that connect successively, first output 120 of processor unit connects the input of pwm circuit 310, and the voltage input end of power control circuit 320 connects the first voltage output end 210 of power distribution circuit 200.Ignition lock coherent signal is sent to the input/output end port 110 of processor unit 100 by LIN (local serial communication network) transceiver by car body controller (BCM), ignition lock coherent signal comprises OFF (ignition lock pass), ON (ignition lock leaves), the signals such as ACC (auxiliary electric power supply), when ignition lock coherent signal is effective, charging work can be carried out, at this moment, control signal is sent to pwm circuit by processor unit 100, regulate the duty ratio of pwm circuit, by the voltage of the first output 210 of power distribution circuit through power control module 320, after integrating circuit 330 and voltage stabilizing circuit 340, to the magnitude of voltage of size needed for USB interface 400 stable output, as 5V voltage.USB interface can be multiple, the plurality of USB interface can be arranged on the diverse location in motor vehicle, near front-row seats and back seat, use to facilitate passenger.
And when the battery tension abnormal signal that BCM obtains, abnormal signal is sent to processor unit by BCM, and processor unit does not export required voltage according to this signal controlling USB interface.
In addition, this USB charging inlet module also comprises the second voltage regulation unit 500, second voltage output end 220 of power distribution circuit 200 connects the input of the second voltage regulation unit 500, the output of the second voltage-regulation list 500 yuan is connected to the power port 140 of processor unit 100, and the second output 130 of processor unit 100 is connected to the control end of the second voltage regulation unit 500.By this second voltage regulation unit 500, can also by power distribution circuit 200 for processor unit 100 provides power supply, and the charge function of USB interface is opened by processor unit 100, when ignition lock coherent signal is effective, it is effective that processor unit 100 receives ignition lock coherent signal, like this, processor unit 100 controls the control end of the second voltage regulation unit 500 by the second output 130, make the second voltage regulation unit 500 to the power end 140 output services voltage of processor unit, and then USB interface exports required voltage, to carry out charging work, reach the object of intelligent opening charging.
Further, this USB charging inlet module also includes load detecting circuit 700, be connected with an input/output end port 150 of processor unit 100, this load detecting circuit 700 by whether current detecting USB interface there being terminal is charging, there is not terminal when charging, to processor unit 100 inverse signal, processor unit 100 controls the second voltage regulation unit 500 and exports resting state voltage to processor unit 100, thus, realize the function of intelligent charge closing.
It is pointed out that ordinal numbers such as " first, second " described in literary composition is the different structure in order to distinguish same names, it does not represent certain order, more should not be construed as any restriction only for convenience.
Mode above only by illustrating describes some one exemplary embodiment of the present utility model, undoubtedly, for those of ordinary skill in the art, when not departing from spirit and scope of the present utility model, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claims.
Claims (6)
1. a USB charging inlet module, it is characterized in that, comprise processor unit, power distribution circuit, the first voltage regulation unit and USB interface, the power input port of power distribution circuit connects vehicle battery, ignition lock coherent signal is connected to the first input end of processor unit, first output of processor unit is connected to the control end of the first voltage regulation unit, and the first voltage output end of power distribution circuit is connected to USB interface through the first voltage regulation unit.
2. USB charging inlet module according to claim 1, it is characterized in that, described first voltage regulation unit comprises the pwm circuit, power control module, integrating circuit and the voltage stabilizing circuit that connect successively, first output of processor unit connects the input of pwm circuit, and the voltage input end of power control circuit connects the first voltage output end of power distribution circuit.
3. USB charging inlet module according to claim 1, it is characterized in that, also comprise the second voltage regulation unit, second voltage output end of power distribution circuit connects the input of the second voltage regulation unit, the output of the second voltage regulation unit is connected to the power port of processor unit, and the second output of processor unit is connected to the control end of the second voltage regulation unit.
4. USB charging inlet module according to claim 3, is characterized in that, also comprises the interconnective load detecting circuit with processor unit.
5. the USB charging inlet module according to any one of claim 1-4, is characterized in that, USB interface is multiple.
6. the USB charging inlet module according to any one of claim 1-4, ignition lock coherent signal exports the first input end of processor unit to by car body controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520118619.2U CN204376501U (en) | 2015-02-27 | 2015-02-27 | A kind of USB charging inlet module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520118619.2U CN204376501U (en) | 2015-02-27 | 2015-02-27 | A kind of USB charging inlet module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204376501U true CN204376501U (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520118619.2U Expired - Fee Related CN204376501U (en) | 2015-02-27 | 2015-02-27 | A kind of USB charging inlet module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204376501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490338A (en) * | 2015-12-28 | 2016-04-13 | 华晨汽车集团控股有限公司 | Vehicle charging apparatus |
-
2015
- 2015-02-27 CN CN201520118619.2U patent/CN204376501U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490338A (en) * | 2015-12-28 | 2016-04-13 | 华晨汽车集团控股有限公司 | Vehicle charging apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| 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: 20150603 Termination date: 20190227 |