CN201122674Y - data line - Google Patents

Abstract

The utility model provides a data cable with electric energy storage and output functions, one end is a universal USB connector matching with a data source, and the other end is a transmission connector matching an electronic device, and the USB connector and the transmission connector are connected through a wiring harness The connection harness includes a data transmission line and a power transmission line. A voltage management circuit module, a lithium-ion battery charge and discharge protection circuit module and a lithium-ion battery are arranged between the positive and negative pole lines of the power transmission line. The voltage The management circuit module, the lithium-ion battery charging and discharging protection circuit module and the lithium-ion battery are electrically connected in sequence. In addition to the existing functions of data transmission and direct charging of electronic devices through data sources, the data cable also has the function of mobile charging electronic devices after storing electric energy, which not only solves the problems of data transmission and direct charging of electronic devices, The mobile charging problem of the electronic equipment is also solved; the structure is reasonable, the use is convenient, the portability is good, and the application range is wide.

Description

data line

technical field

The utility model relates to data transmission wire technology, in particular to a data wire with electric energy storage and output functions.

Background technique

The known data line is an electrical connection harness between an electronic device (such as a mobile phone, PDA, MP3, MP4, etc.) Universal USB connector, the other end is a connector that matches the electronic device, and the intermediate connection line is a harness that includes multiple data transmission lines and power transmission lines, through which data transmission lines are used to transmit data, and through which power transmission lines are used to charge electronic devices , the charging voltage is usually the 5V voltage output by the data source.

However, the known data line can only charge the electronic device when it is connected to the data source. The data source is usually large in size, which is not conducive to portable movement. Therefore, when using the known data line to charge the electronic device, it must be around the data source to be normal. use. But now electronic devices are getting smaller and smaller, and the requirements for mobility are getting higher and higher. The contradiction between the mobility requirements of electronic devices and the aforementioned charging restrictions is becoming more and more obvious, which makes the use of electronic devices inconvenient. Therefore, there is an urgent need to solve the problem of mobile charging of electronic equipment in the prior art.

Utility model content

In order to overcome the defect of insufficient flexibility of charging and moving of the known data lines, and provide mobile charging functions for electronic equipment, the purpose of this utility model is to provide a simple and reasonable structure, easy to manufacture, easy to use, in addition to having data transmission functions and for electronic devices. In addition to the function of direct charging of the device, it also has a data cable for mobile charging of the electronic device.

The purpose of this utility model is achieved through the following technical solutions: a data line with electric energy storage and output functions, one end is a universal USB connector that matches the data source, and the other end is a transmission connector that matches the electronic device. The USB connector and the transmission connector are connected through a connection harness, and the connection harness includes a data transmission line and a power transmission line, and it is characterized in that: a voltage management circuit module, a lithium-ion battery charging The discharge protection circuit module is electrically connected to the lithium ion battery, the voltage management circuit module, the charge and discharge protection circuit module of the lithium ion battery, and the lithium ion battery in sequence.

The working principle of the utility model is: after the data cable is connected to the electronic device and the data source, the data cable can be used to realize the known data transmission function and the function of directly charging the electronic device by using the data source. At the same time, the power on the power transmission line passes through the DC-DC step-down IC circuit in the voltage management circuit module to convert the 5V voltage into a 4.2V voltage. Under the protection of the lithium-ion battery charge and discharge protection circuit module, the lithium-ion The battery is charged to store energy; when the data source is removed, the electric energy stored in the lithium-ion battery, under the protection of the lithium-ion battery charge and discharge protection circuit module, passes through the DC-DC boost IC circuit in the voltage management circuit module, Raise the voltage of the lithium-ion battery to 5V and output it to charge the electronic equipment.

Compared with the prior art, the utility model has the following advantages and beneficial effects: in addition to the existing functions of data transmission and direct charging of electronic devices through data sources, it also has the function of mobile charging of electronic devices after storing electric energy, It not only solves the problem of data transmission and direct charging of electronic equipment, but also solves the problem of mobile charging of electronic equipment; the structure is simple and reasonable, easy to manufacture, easy to use, good portability, wide application range, and can be widely used in existing mobile phones , PDA, MP3, MP4 or digital camera, the market prospect is good.

Description of drawings

The accompanying drawing is a structural schematic diagram of the data line of the utility model.

In the accompanying drawings, 1. a universal USB connector matching the data source; 2. a transmission connector matching the electronic device; 3. the positive line of the power transmission line; 4. the negative line of the power transmission line; 5. the data transmission line 1; 6 . Data transmission line II; 7. Voltage management circuit module; 8. Lithium-ion battery charge and discharge protection circuit module; 9. Lithium-ion battery.

Detailed ways

The utility model will be further described below in conjunction with the embodiments and accompanying drawings, but the implementation of the utility model is not limited thereto.

Example

Accompanying drawing has shown the concrete structure of the present utility model, and as can be seen from accompanying drawing, the data line of this band electric energy storage and output function, one end is the universal USB connector 1 that matches with data source, and the other end is that matches with electronic equipment A transmission joint 2, the USB joint 1 and the transmission joint 2 are connected through connecting wire harnesses 3-6, and the connecting wire harnesses 3-6 include data transmission lines 5, 6 and power transmission lines 3, 4, and the power transmission lines 3, A voltage management circuit module 7, a lithium ion battery charge and discharge protection circuit module 8 and a lithium ion battery 9 are arranged between the positive and negative pole lines of 4, the voltage management circuit module 7, the lithium ion battery charge and discharge protection circuit module 8 and the lithium ion battery The ion cells 9 are electrically connected sequentially. The data sources are usually data sources such as desktop computers and notebook computers. The electronic equipment is usually electronic products such as mobile phone, PDA, MP3, MP4 or digital camera. The universal USB connectors include USB-A connectors, USB-B connectors, USB-C connectors, IEEE1394 connectors and MINI USB connectors. The transmission connector refers to a connector that is compatible with the data and charging interfaces of electronic products such as mobile phones, PDAs, MP3, MP4 and digital cameras.

The lithium-ion battery 9 is a liquid lithium-ion battery or a polymer lithium-ion battery, and its positive and negative poles are respectively connected to the corresponding positive and negative poles of the lithium-ion battery charge and discharge protection circuit module.

The working principle of the utility model is: after the data cable is connected to the electronic device and the data source, the data cable can be used to realize the known data transmission function and the function of directly charging the electronic device by using the data source. At the same time, the electric energy on the power transmission lines 3 and 4 passes through the DC-DC step-down IC circuit in the voltage management circuit module 7, and converts the 5V voltage into a 4.2V voltage. Next, the lithium-ion battery 9 is charged to store energy; when the data source is removed, the electric energy stored in the lithium-ion battery 9 is protected by the lithium-ion battery charge and discharge protection circuit module 8 and passed through the voltage management circuit module 7. The DC-DC step-up IC circuit boosts the lithium-ion battery voltage to 5V and outputs it to charge electronic devices.

The specific implementation described above is a preferred embodiment of the utility model, and cannot limit the claims of the utility model. Any other changes or other equivalent replacement methods that do not deviate from the technical solution of the utility model include Within the protection scope of the present utility model.

Claims (2)

1. data wire; one end is the Universal USB joint that is complementary with data source; the other end is the transfer connector that is complementary with electronic equipment; described USB joint is connected by being electrically connected wire harness with transfer connector; described electrical connection wire harness comprises data line and electric power conveyer line; it is characterized in that: described electric power conveyer line just; be provided with the voltage management circuitry module between the negative line; lithium ion battery charge-discharge protection circuit module and lithium ion battery, described voltage management circuitry module; lithium ion battery charge-discharge protection circuit module and lithium ion battery are electrically connected in proper order.

2. data wire according to claim 1 is characterized in that: described lithium ion battery positive and negative electrode is connected on the corresponding positive and negative electrode of lithium ion battery charge-discharge protection circuit module.