CN102647014B - Cable structure with indication function for handheld devices - Google Patents

Abstract

The invention relates to a cable structure with an indication function, which consists of a cable, a first connector plug and an indication unit. The first connector plug is provided with a body part and a connecting part and is coupled to one end of the cable; the indicating unit is fixedly arranged in the body part and is provided with at least one indicator which is coupled with the circuit board and has an indicating function on the body part, the circuit board is connected with a power circuit between the cable and the first connector plug through a circuit, and the indicator respectively indicates the display of charging and the display of charging completion through the comparison of a detection circuit of the circuit board. Therefore, the user can directly observe the charging condition of the handheld device through the display of the indicating unit without waking up the screen of the handheld device.

Description

Cable structure with indication function for handheld devices

technical field

The present invention relates to a cable structure, in particular to a cable structure with charging indication function.

Background technique

With the advancement of technology, 3C electronic products are not only becoming thinner and smaller, but also developing towards touch operation, making 3C electronic products, such as handheld devices, such as tablet computers, smart phones or audio-visual players, an important part of daily life. An indispensable accessory. In fact, taking tablet computers, such as iPad, smart phones, such as iPhone, and audio-visual players, such as iPod series products as examples, the tablet computers, smart phones and audio-visual players all have their own chargers and transmission cables , in order to charge and transmit data to the aforementioned handheld device.

The charging circuits of the aforementioned touch-sensitive handheld devices are all built in the printed circuit board inside the device itself, so the user only needs to insert the connector slot of the handheld device into the connector plug of the charger, and the power supply can be turned on. The rechargeable battery inside the handheld device is charged through the cable, and whether the rechargeable battery is fully charged is probably by waking up the screen of the handheld device, such as touching the screen or pressing a button, to observe the charging pattern displayed on the screen state, and in order to avoid the waste of power, the screen will go out immediately when the set time arrives, so that the user must wake up the screen of the handheld device from time to time with the aforementioned operation method to observe whether the rechargeable battery is fully charged, and constantly bother the user.

Although some handheld devices are equipped with a charging indicator light, users often put a protective leather case on the handheld device to protect the expensive handheld device, so that the charging indicator light is covered and the charging status cannot be directly observed. . In addition, currently some power adapters (power adapters) also have charging indicators, but the power adapter must be plugged into a socket on the wall or an extension cord, that is, the power adapter is fixed on the power supply end, and The non-handheld device side may be covered by a shelter, such as a table, making it difficult to observe directly, and observing the power adapter other than the handheld device being charged is not in line with the usage habits of direct observation, and cannot be fully utilized. indication function.

The reason for this is that the cable of the current power adapter connected to the connector plug on the handheld device has no indication function, so that the user must repeatedly wake up the screen of the handheld device and observe the charging indication pattern displayed on the screen. It is extremely inconvenient and needs to be improved urgently.

Contents of the invention

The main purpose of the present invention is to provide a cable structure with an indication function. An indication unit is added at an appropriate position of the first connector connected to the hand-held device, so that the user can pass the indication unit without waking up the screen of the hand-held device. Display, and directly observe the charging status of the handheld device.

In order to achieve the aforementioned purpose, the technical means adopted by the present invention is to provide a cable structure with indicating function, which includes:

A cable with a plurality of wires inside;

a first connector plug, which has a body portion and a connection portion, and is coupled to one end of the cable; and

An indicating unit, which is fixed in the main body, the indicating unit is provided with at least one indicator coupled to the circuit board and has an indicating function on the main body, the circuit board is connected to the cable and the first connector plug with a circuit The comparison between the power line and the detection circuit of the circuit board makes the indicators respectively indicate the display of charging and charging completion.

Description of drawings

For further revealing the concrete technical content of the present invention, please refer to accompanying drawing at first, wherein:

1 is a perspective view of the first embodiment of the cable structure with indicating function of the present invention;

2 is a partial enlarged schematic view of the first connector of the present invention;

3 is a partially enlarged schematic view of another embodiment of the first connector of the present invention;

FIG. 4 is an exploded perspective view of a second embodiment of the cable structure with indicating function of the present invention.

detailed description

As shown in Figures 1 and 2, the cable structure with indicating function of the present invention has a cable 1 with a plurality of wires inside, one end of which is coupled to a first connector plug 11, and the first connector plug 11 has A body portion 111 and a connection portion 112, the interface of the connection portion 112 is suitable for handheld devices, such as tablet computers produced by Apple Inc., such as iPads, smart phones, such as iPhones, and audio-visual players, such as iPod series The specification of the expansion connector (DockConnector) used by the product. The other end of the cable 1 is then coupled to a power adapter 2, so that the alternating current is converted into direct current, and then supplied to the aforementioned handheld device by the first connector plug 11, so as to charge the handheld device. It is a known charging method of the charger for the handheld device, and will not be described in detail here.

Please refer to Fig. 2 again, the technical feature of the present invention is that the first connector 11 is at an appropriate position, for example, the top surface of the main body part 111 further includes an indicating unit 12, and the indicating unit 12 is fixed on the main body part by embedded injection. 111, the indicating unit 12 has at least one indicator 122 coupled to the circuit board 121 and has an indicating function on the body part 111, as shown in the figure, the indicator 122 is exposed on the top surface of the body part 111, but not with As a limit, the indicator 122 can also be built in the main body 111, and only need to open a see-through window at the position of the main body 111 corresponding to the indicator 122, without compromising the visual observation effect. Wherein, the circuit board 121 is connected to the power line between the cable 1 and the first connector plug 11, and the indicator 122, For example, the indicator light indicates the display of charging and charging completion respectively by bright/dark, two different flashing frequencies or two different colors.

As shown in Figure 2, the indicator 122 is an indicator light, and only one is provided. When the power supply through the cable 1 is passed through the indicator light 122 by the detection circuit 123 of the circuit board 121, it shows red. This means that the cable 1 is charging the rechargeable battery in the handheld device through the connecting portion 112 of the first connector plug 11; if the indicator light 122 is green, it means that the rechargeable battery in the handheld device is saturated. That is to say, the detection circuit 123 of the circuit board 121 cuts off the power supply of the connecting part 112, but makes the indicator light 122 display green; at this time, the user can directly pull out the first connector plug 11 of the handheld device for use.

In addition, the indicator 122 is not limited to the above-mentioned indicator light, and a liquid crystal display (LCD) can also be used in its actual implementation, which is also an equivalent implementation application of the indicator.

In particular, when the first connector plug 11 is implemented, it is not limited to the aforementioned expansion connector. As shown in FIG. 3, another implementation of the first connector plug 11 can be standard, mini or micro specifications USB connector plug for power supply or data transmission.

As shown in FIG. 4 , it is a three-dimensional exploded view of the second embodiment of the cable structure of the present invention. One end of the cable 1 is a first connector plug 11 , and the other end is a second connector plug 13 . As mentioned above, the first connector plug 11 is preferably an expansion connector or a USB connector, and the second connector plug 13 is preferably a USB connector. The second connector plug 13 can be directly inserted into the Connected to the USB slot of the computer, so that the handheld device is charged or data transmission, such as synchronization processing; or the second connector plug 13 can be directly plugged into the preset connector slot 21 of the power adapter 2, so that Charge the handheld.

Therefore, after adding an indicator unit 12 to the first connector plug of the cable 1 of the present invention, the user can clearly observe the charging status of the handheld device without waking up the screen of the handheld device, thereby increasing the convenience of charging the handheld device sex.

Therefore, through the implementation of the present invention, the enhanced effect is that after the first connector plug of the cable structure is provided with an indicator unit, the indicator unit is closer to the handheld device end, allowing the user to wake up the screen of the handheld device without waking up. , you can clearly and directly observe the charging status of the handheld device through the indicating unit, which can be called a masterpiece that has never been seen in similar items.

What is disclosed in the present invention is a preferred embodiment, and any partial change or modification derived from the technical idea of the present invention and easily deduced by those skilled in this technology shall not depart from the scope of the claims of the present invention.

Claims (2)

1. A cable structure with indicating function for a handheld device, comprising: A cable with a plurality of wires inside; A first connector plug for connecting the handheld device, which is an expansion connector or a standard, mini, micro USB connector, has a body part and a connecting part, and is coupled to one end of the cable; A second connector plug, used to connect to the connector slot of the computer or the power adapter, which is a standard, mini or micro USB connector, and is coupled to the other end of the cable; and An indicating unit, which is fixed in the body part of the first connector plug, the indicating unit is provided with at least one indicator coupled to a circuit board and has an indicating function on the body part, the circuit board is connected with a circuit Connect the power line between the cable and the first connector plug, and compare the voltage or current by a detection circuit of the circuit board, so that the at least one indicator indicates charging and charging completion respectively , and the cable structure has the function of data transmission; When the at least one indicator indicates that charging is completed, the detection circuit of the circuit board cuts off the power supply of the connecting portion. 2. The cable structure with indicating function for a handheld device as claimed in claim 1, wherein the indicator is an indicator light or a liquid crystal display.