CN211958825U - Intelligent data line control system - Google Patents
Intelligent data line control system Download PDFInfo
- Publication number
- CN211958825U CN211958825U CN202020766711.0U CN202020766711U CN211958825U CN 211958825 U CN211958825 U CN 211958825U CN 202020766711 U CN202020766711 U CN 202020766711U CN 211958825 U CN211958825 U CN 211958825U
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- usb
- data line
- power supply
- interface
- control system
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Abstract
The utility model discloses an intelligent data line control system, including the USB input, the power module of electricity connection in the USB input, connect in the central processing unit of power module and USB input respectively, the electricity is connected in central processing unit's pronunciation chip, and the USB output that charges, power module internal integration has current detection chip and switch, central processing unit has the electricity respectively and connects in power module's system power supply interface, current monitoring interface and charge control interface, read and monitor the input current that current detection chip detected in real time by this current monitoring interface, open and turn-off with the power of control USB output that charges, and send the instruction and send out preset prompt tone for the pronunciation chip. The utility model provides an intelligent data line control system has automatic outage and voice prompt function concurrently, has both protected the mobile terminal battery, and convenient to use person in time learns charged state again.
Description
Technical Field
The utility model relates to a charging data line field especially relates to an intelligent data line control system.
Background
Generally, when a mobile terminal (e.g., a mobile phone, a tablet, etc.) is charged, if the mobile terminal is not powered off after being fully charged, hardware inside the mobile terminal is affected, and the service life of an internal battery is affected. Therefore, charging data lines that can be automatically powered off have appeared on the market.
However, the charging data line does not have a voice prompt function, so that the user cannot timely know whether the charging data line enters normal charging or not, and cannot timely know the charging completion information.
SUMMERY OF THE UTILITY MODEL
Not enough to the aforesaid, the utility model aims to provide an intelligent data line control system has automatic outage and voice prompt facility concurrently, has both protected the mobile terminal battery, and convenient to use person in time learns state of charge again.
The utility model discloses a reach the technical scheme that above-mentioned purpose adopted and be:
an intelligent data line control system, comprising:
a USB input terminal;
the power supply module is electrically connected to the USB input end, and a current detection chip and a power supply switch are integrated in the power supply module;
a central processor, which is electrically connected with the power module and the USB input end respectively;
a voice chip electrically connected to the CPU;
a USB charging output end which is respectively and electrically connected with the power supply module, the USB input end and the central processing unit;
the central processor is provided with a system power supply interface, a current monitoring interface and a charging control interface which are respectively and electrically connected with the power supply module, the current monitoring interface reads and monitors the input current detected by the current detection chip in real time so as to control the power supply of the USB charging output end to be turned on and off, and sends an instruction to the voice chip to send a preset prompt tone.
As a further improvement of the utility model, when CPU's current monitoring interface read the input current that the current detection chip detected and is less than 300mA, control USB output automatic disconnection that charges.
As a further improvement, the USB input embeds intelligent charging identification chip.
As a further improvement, the USB charging output end is any one of the Micro USB interface, the Type C interface and the Lighting interface.
As a further improvement of the present invention, the voice device further comprises a speaker electrically connected to the voice chip.
As a further improvement of the utility model, the device further comprises an indicator light electrically connected to the central processing unit.
The utility model has the advantages that: the power supply module with the current detection chip, the central processing unit with the current monitoring interface, the voice chip and other modules are integrated in the data line, the current monitoring interface reads and monitors the input current detected by the current detection chip in real time to control the power supply of the USB charging output end to be turned on and turned off, and an instruction is sent to the voice chip to send a preset prompt tone. Therefore, after the mobile terminal is fully charged, the mobile terminal has the functions of automatic power off and voice prompt, the mobile terminal battery is protected, and a user can know the charging state in time.
The above is an overview of the technical solution of the present invention, and the present invention is further explained with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is a control flow chart of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings and preferred embodiments.
Referring to fig. 1, an embodiment of the present invention provides an intelligent data line control system, including:
a USB input terminal;
the power supply module is electrically connected to the USB input end, and a current detection chip and a power supply switch are integrated in the power supply module;
a central processor, which is electrically connected with the power module and the USB input end respectively;
a voice chip electrically connected to the CPU;
a USB charging output end which is respectively and electrically connected with the power supply module, the USB input end and the central processing unit;
the central processor is provided with a system power supply interface, a current monitoring interface and a charging control interface which are respectively and electrically connected with the power supply module, the current monitoring interface reads and monitors the input current detected by the current detection chip in real time so as to control the power supply of the USB charging output end to be turned on and off, and sends an instruction to the voice chip to send a preset prompt tone. Therefore, after the power supply is fully charged, the power supply has the functions of automatic power off and voice prompt.
Specifically, when the current monitoring interface of the central processing unit reads that the input current detected by the current detection chip is less than 300mA, the USB charging output end is controlled to automatically disconnect charging, the automatic power-off function is achieved, and the influence on the service life of the mobile terminal battery is prevented.
In this embodiment, the USB input terminal uses an a-type USB male connector, and can be powered from a power adapter, a portable power source, a computer, and other devices. And the USB input end is internally provided with an intelligent charging identification chip which can be compatible with standard 5V charging and 9V/12V quick charging.
In this embodiment, different interfaces may be used to supply power to the external device, for example, the USB charging output terminal may be any one of a Micro USB interface, a Type C interface, and a Lighting interface, and may also be other interfaces.
In this embodiment, the power module is a management system power supply, and on one hand, the power module takes power from the USB input end and provides a stable power supply for the subsequent circuit through voltage stabilization and filtering. In addition, because the current detection chip and the power switch are integrated, the current input by the USB input end can be directly supplied to the USB charging output end.
In this embodiment, the intelligent data line control system further includes a speaker electrically connected to the voice chip, and an indicator light electrically connected to the central processing unit. The loudspeaker can use 8 ohm, 0.5W ultra-thin high fidelity horn. The voice chip stores various preset prompt tones and drives an external loudspeaker to make a sound according to the instruction of the central processing unit. For example, the warning sound may be generated when the charging data line is plugged into the mobile terminal and enters a charging state, when the charging data line is fully charged, or when the charging data line is unplugged from the mobile terminal.
In this embodiment, central processing unit uses the singlechip as the control unit, and the electric current of real-time supervision USB input controls USB to charge the power of output and opens and shuts off, sends the instruction and sends various predetermined warning tones for the pronunciation chip to and show various states through the pilot lamp.
The intelligent data line control system provided by the embodiment is integrated in the charging data line, and when the intelligent data line control system is used, the USB input end is connected with a power adapter, a mobile power supply, a computer and other devices, and the USB charging output end is connected with a device (such as a mobile terminal like a mobile phone and a tablet) needing to be charged. During charging, as shown in fig. 2, the control flow is as follows:
(1) the system is initialized, the central processing unit sends an instruction to the voice chip, and an external loudspeaker is driven to send out a starting-up prompt tone according to the instruction of the central processing unit;
(2) the intelligent charging identification chip arranged in the USB input end is used for carrying out charging standard identification, the central processing unit is used for sending an instruction to the voice chip, and the external loudspeaker is driven to send out a charging prompt tone according to the instruction of the central processing unit;
(3) the current detection chip in the power supply module detects the input charging current in real time, meanwhile, the current monitoring interface of the central processing unit reads the input current detected by the current detection chip, if the input current is less than 300mA, the charging is full, the USB charging output end is controlled to automatically disconnect the power supply, the charging is completed, the central processing unit sends an instruction to the voice chip, and an external loudspeaker is driven to send a charging completion prompt tone according to the instruction of the central processing unit; otherwise, the current detection chip continues to detect the input charging current in real time.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that other structures obtained by adopting the same or similar technical features as the above embodiments of the present invention are all within the protection scope of the present invention.
Claims (6)
1. An intelligent data line control system, comprising:
a USB input terminal;
the power supply module is electrically connected to the USB input end, and a current detection chip and a power supply switch are integrated in the power supply module;
a central processor, which is electrically connected with the power module and the USB input end respectively;
a voice chip electrically connected to the CPU;
a USB charging output end which is respectively and electrically connected with the power supply module, the USB input end and the central processing unit;
the central processor is provided with a system power supply interface, a current monitoring interface and a charging control interface which are respectively and electrically connected with the power supply module, the current monitoring interface reads and monitors the input current detected by the current detection chip in real time so as to control the power supply of the USB charging output end to be turned on and off, and sends an instruction to the voice chip to send a preset prompt tone.
2. The intelligent data line control system of claim 1, wherein when the current monitoring interface of the central processing unit reads that the input current detected by the current detection chip is less than 300mA, the USB charging output terminal is controlled to automatically disconnect charging.
3. The intelligent data line control system of claim 1, wherein the USB input port has a built-in intelligent charging identification chip.
4. The intelligent data line control system of claim 1, wherein the USB charging output port is any one of a Micro USB interface, a Type C interface, and a Lighting interface.
5. The intelligent data line control system of any one of claims 1 to 4, further comprising a speaker electrically connected to the voice chip.
6. The intelligent data line control system of any one of claims 1 to 4, further comprising an indicator light electrically connected to the central processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766711.0U CN211958825U (en) | 2020-05-11 | 2020-05-11 | Intelligent data line control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766711.0U CN211958825U (en) | 2020-05-11 | 2020-05-11 | Intelligent data line control system |
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| Publication Number | Publication Date |
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| CN211958825U true CN211958825U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020766711.0U Expired - Fee Related CN211958825U (en) | 2020-05-11 | 2020-05-11 | Intelligent data line control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113256943A (en) * | 2021-05-19 | 2021-08-13 | 北京明略昭辉科技有限公司 | Method for optimizing access of external equipment by data acquisition equipment with access prompt tone |
-
2020
- 2020-05-11 CN CN202020766711.0U patent/CN211958825U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113256943A (en) * | 2021-05-19 | 2021-08-13 | 北京明略昭辉科技有限公司 | Method for optimizing access of external equipment by data acquisition equipment with access prompt tone |
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| 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: 20201117 Termination date: 20210511 |