CN214589529U - Light-changing charging streamer data line - Google Patents
Light-changing charging streamer data line Download PDFInfo
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- CN214589529U CN214589529U CN202120622851.5U CN202120622851U CN214589529U CN 214589529 U CN214589529 U CN 214589529U CN 202120622851 U CN202120622851 U CN 202120622851U CN 214589529 U CN214589529 U CN 214589529U
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 abstract description 4
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a light-changing charging streamer data line, which comprises a wire rod, wherein a lighting optical fiber is arranged in the wire rod, a USB interface is provided with a LED lamp, a circuit board at one end of the USB interface is provided with a main control chip MCU, and the LED lamp is connected with the main control chip MCU; the power input pin of the main control chip MCU gets power from the USB interface, the main control chip MCU is connected with a current detection resistor R2 to detect the charging current, and the voltage output to the LED lamp by the main control chip MCU is changed along with the change of the charging current. The utility model discloses a set up the current detection resistance and come real-time detection charging current, charging current generally keeps more than certain current value when equipment normally charges. When the LED lamp is nearly full of charge or full of charge, the charging current can be reduced and detected by the current detection resistor, and then the voltage value output to two ends of the LED lamp is changed through the main control chip, so that the speed of the change of the streamer of the LED lamp is controlled, the color is switched, the charging state can be visually seen, and the overcharge can be prevented.
Description
Technical Field
The utility model relates to a charging data line technical field, concretely relates to mainly be applied to electronic equipment's such as cell-phone, game machine, flat board streamer data line.
Background
Currently, in the electronic industry, a data line is also a main charging tool of a device (such as a smart phone), and two ends of a conventional data line are usually a USB interface and a device plug (usually a TYPE-C plug, a light-ing plug, or a MIRCO-USB plug), and the middle of the conventional data line is connected by a wire. The traditional data line has no light effect, is not convenient to find and use the data line in dark environment, and is not beautiful enough. Therefore, various data lines with lighting effects are invented to improve the convenience of use and the aesthetic property of the data lines, wherein particularly the data with the lighting effects is more attractive. The common solution is to illuminate the optical fiber by arranging an LED lamp, so as to realize the streamer effect of the whole data line. However, the existing streamer data line only emits streamer light during charging, and the streamer light is extinguished when the data line is pulled out, and cannot be associated with the charging process.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is the defect of prior art, provide a light that light display effect is good, streamer effect can change along with charging process becomes the charging streamer data line, both can be ordinary (fill slowly) data line, also can fill the data line soon.
In order to solve the technical problem, the utility model adopts the following technical scheme: a light-changing charging streamer data line comprises a wire rod, wherein one end of the wire rod is connected with a USB interface, and the other end of the wire rod is connected with an output interface; be provided with illumination optic fibre in the wire rod, be provided with the LED lamp on the USB interface, illumination optic fibre and LED lamp butt joint form the data line that has the streamer effect, its characterized in that: a main control chip MCU is arranged on a circuit board of the USB interface, and the LED lamp is connected with the main control chip MCU; the power input pin of the main control chip MCU gets power from the USB interface, the feedback detection pin of the main control chip MCU is connected with a current detection resistor R2 used for detecting and outputting charging current, the charging current is detected through the current detection resistor R2, and a control structure for changing the voltage output by the main control chip MCU to the LED lamp along with the change of the charging current is formed.
The model of the main control chip MCU is Zy646C, the 1 st pin of the main control chip MCU is connected with an input power supply, and the current detection resistor R2 is connected with the 5 th pin of the main control chip MCU.
The LED lamps comprise three LEDs, namely an LED1, an LED2 and an LED3, and the three LED lamps are RGB double-color LEDs so as to change color and flow light; the anodes of the three LED lamps are respectively connected with the 4 th pin, the 6 th pin and the 7 th pin of the main control chip MCU, and the cathodes of the three LED lamps are uniformly connected with the 2 nd pin of the main control chip MCU and grounded; after the USB interface is connected with electricity, the 2 nd pin of the main control chip MCU outputs high level, the 4 th pin, the 6 th pin and the 7 th pin output high level to three LED lamps to realize the state of a green running horse lamp, after the output interface is connected with a load in an inserting mode, the current detection resistor R2 detects charging current, and the voltage output to the LED lamps by the main control chip MCU is controlled along with the reduction of the charging current; when the current detection resistor R2 detects a charging current of 200mA or more, the 2 nd pin of the main control chip MCU outputs a low level, and the 4 th, 6 th and 7 th pins output a high level to the three LED lamps to respectively emit red streamer states; when the current detection resistor R2 detects that the charging current is less than 200mA, the level output by the No. 2 pin of the main control chip MCU is increased, and the level output by the No. 4, No. 6 and No. 7 pins of the main control chip MCU is decreased, so that the three LED lamps respectively emit green streamer lights and the streamer speed is decreased.
The voltage stabilizing module is further included, the type of a voltage stabilizing chip U1 is 7550, the input end of the voltage stabilizing chip U1 obtains electricity from a USB interface, the output end of the voltage stabilizing chip U1 is connected with the 1 st pin of the main control chip MCU through a current limiting resistor R1, and 5V voltage is output to the main control chip MCU.
And a filter capacitor C1 is connected between the current limiting resistor R1 and the No. 1 pin of the main control chip MCU and is responsible for filtering the current input into the main control chip MCU.
And a filtering capacitor C2 is connected to the negative electrodes of the three LED lamps and is responsible for filtering the current input into the LED lamps.
Preferably, the output interface is a TYPE-C plug, a LIGHT TNING plug or a MIRCO-USB plug, and various TYPEs of plug interfaces can be adopted.
The utility model discloses a set up the current detection resistance and come real-time detection charging current, charging current generally keeps more than certain current value when equipment normally charges, like 200 mA. When the LED lamp is nearly full of and full of, the charging current can reduce and be detected by the current detection resistor, then change the voltage value of output for the LED lamp both ends through main control chip to control the speed that the LED lamp streamer changes and switch over the colour, so not only whole line is luminous like flowing water, and is pleasing to the eye beautiful, can find out the charged state very directly perceivedly moreover, does benefit to and realizes the protection of charging, prevents the overcharge.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
In this embodiment, referring to fig. 1, the dimming charging streamer data line includes a wire, one end of the wire is connected to a USB interface, and the other end of the wire is connected to an output interface; the wire is provided with an illuminating optical fiber, the USB interface is provided with an LED lamp, the illuminating optical fiber and the LED lamp are butted to form a data line with a streamer effect, a circuit board of the USB interface (A male connector) is provided with a main control chip MCU, and the LED lamp is connected with the main control chip MCU; the power input pin of main control chip MCU gets electricity from the USB interface, and main control chip MCU's feedback detection foot is connected with the current detection resistance R2 (like 10K) that is used for detecting the output charging current, detects charging current through current detection resistance R2, forms the control structure that changes the voltage that main control chip MCU exported for the LED lamp along with charging current's change.
The model of the main control chip MCU is Zy646C (or a chip with similar function), the 1 st pin is connected with an input power supply, and the current detection resistor R2 is connected with the 5 th pin of the main control chip MCU.
The LED lamp comprises three LEDs 1, 2 and 3 which are all arranged on a shell of a USB A male connector at an input end; the three LED lamps are RGB double-color LEDs for color changing and light flowing; the anodes of the three LED lamps are respectively connected with the 4 th, 6 th and 7 th pins of the main control chip MCU, and the cathodes of the three LED lamps are uniformly connected with the 2 nd pin of the main control chip MCU and grounded.
The voltage stabilizing module is further included, the type of a voltage stabilizing chip U1 is 7550, the input end of the voltage stabilizing chip U1 obtains electricity from a USB interface, the output end of the voltage stabilizing chip U1 is connected with the 1 st pin of the main control chip MCU through a current limiting resistor R1, and 5V voltage is output to the main control chip MCU.
And a filter capacitor C1 is connected between the current limiting resistor R1 and the No. 1 pin of the main control chip MCU and is responsible for filtering the current input into the main control chip MCU.
And a filtering capacitor C2 is connected to the negative electrodes of the three LED lamps and is responsible for filtering the current input into the LED lamps.
The output interface is a TYPE-C plug, a LIGHT TNING plug or a MIRCO-USB plug, and various TYPEs of plug interfaces can be adopted.
After the USB interface is connected with electricity, the input direct-current voltage of 5-24V is stabilized to 5V through a voltage stabilizing chip 7550, the current is limited through a current limiting resistor R1, filtering is carried out through a filtering capacitor C1, then the 5V voltage is provided for a 1 st pin of a main control chip MCU, and a 2 nd pin of the main control chip MCU outputs high level, 4 th, 6 th and 7 th pins output high level to three LED lamps so as to realize the green slow current running horse lamp state. When the output interface is plugged with a load, the current detection resistor R2 detects the charging current, and controls the voltage output to the LED lamp by the main control chip MCU along with the reduction of the charging current; when the current detection resistor R2 detects a charging current of 200mA or more, the 2 nd pin of the main control chip MCU outputs a low level, and the 4 th, 6 th and 7 th pins output a high level to the three LED lamps to respectively emit red fast streamer states; when the current detection resistor R2 detects that the charging current is less than 200mA, the level output by the No. 2 pin of the main control chip MCU is increased, and the level output by the No. 4, No. 6 and No. 7 pins of the main control chip MCU is decreased, so that the three LED lamps respectively become green slow streamer, which indicates that the three LED lamps are fully charged.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (7)
1. A light-changing charging streamer data line comprises a wire rod, wherein one end of the wire rod is connected with a USB interface, and the other end of the wire rod is connected with an output interface; be provided with illumination optic fibre in the wire rod, be provided with the LED lamp on the USB interface, illumination optic fibre and LED lamp butt joint form the data line that has the streamer effect, its characterized in that: a main control chip MCU is arranged on a circuit board of the USB interface, and the LED lamp is connected with the main control chip MCU; the power input pin of the main control chip MCU gets power from the USB interface, the feedback detection pin of the main control chip MCU is connected with a current detection resistor R2 used for detecting and outputting charging current, the charging current is detected through the current detection resistor R2, and a control structure for changing the voltage output by the main control chip MCU to the LED lamp along with the change of the charging current is formed.
2. The dimmed charging streamer data line according to claim 1, wherein: the model of the main control chip MCU is Zy646C, the 1 st pin of the main control chip MCU is connected with an input power supply, and the current detection resistor R2 is connected with the 5 th pin of the main control chip MCU.
3. The dimmed charging streamer data line according to claim 2, wherein: the LED lamps comprise three LEDs, namely an LED1, an LED2 and an LED3, and the three LED lamps are RGB double-color LEDs; the anodes of the three LED lamps are respectively connected with the 4 th pin, the 6 th pin and the 7 th pin of the main control chip MCU, and the cathodes of the three LED lamps are uniformly connected with the 2 nd pin of the main control chip MCU and grounded; after the USB interface is connected with electricity, the 2 nd pin of the main control chip MCU outputs high level, the 4 th pin, the 6 th pin and the 7 th pin output high level to three LED lamps to realize the state of a green running horse lamp, after the output interface is connected with a load in an inserting mode, the current detection resistor R2 detects charging current, and the voltage output to the LED lamps by the main control chip MCU is controlled along with the reduction of the charging current; when the current detection resistor R2 detects a charging current of 200mA or more, the 2 nd pin of the main control chip MCU outputs a low level, and the 4 th, 6 th and 7 th pins output a high level to the three LED lamps to respectively emit red streamer states; when the current detection resistor R2 detects that the charging current is less than 200mA, the level output by the No. 2 pin of the main control chip MCU is increased, and the level output by the No. 4, No. 6 and No. 7 pins of the main control chip MCU is decreased, so that the three LED lamps respectively emit green streamer lights and the streamer speed is decreased.
4. The dimmed charging streamer data line according to claim 3, wherein: the voltage stabilizing module is further included, the type of a voltage stabilizing chip U1 is 7550, the input end of the voltage stabilizing chip U1 obtains electricity from a USB interface, the output end of the voltage stabilizing chip U1 is connected with the 1 st pin of the main control chip MCU through a current limiting resistor R1, and 5V voltage is output to the main control chip MCU.
5. The dimmed charging streamer data line according to claim 4, wherein: and a filter capacitor C1 is connected between the current-limiting resistor R1 and the No. 1 pin of the main control chip MCU.
6. The dimmed charging streamer data line according to claim 3, wherein: and the filtering capacitors C2 are connected to the negative poles of the three LED lamps.
7. The dimmed charging streamer data line according to claim 2, wherein: the output interface is a TYPE-C plug, a LIGHT TNING plug or a MIRCO-USB plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622851.5U CN214589529U (en) | 2021-03-26 | 2021-03-26 | Light-changing charging streamer data line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622851.5U CN214589529U (en) | 2021-03-26 | 2021-03-26 | Light-changing charging streamer data line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589529U true CN214589529U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120622851.5U Active CN214589529U (en) | 2021-03-26 | 2021-03-26 | Light-changing charging streamer data line |
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| Country | Link |
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| CN (1) | CN214589529U (en) |
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2021
- 2021-03-26 CN CN202120622851.5U patent/CN214589529U/en active Active
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