Data line with marquee

Abstract

The utility model discloses a data line with a horse race lamp, which belongs to the technical field of electronic equipment, and is characterized in that a main control unit, a light-emitting unit and a photosensitive induction unit are arranged on a circuit board, a first interface unit is used for being connected with a USB connector, and a second interface unit is used for being connected with external equipment; the main control unit receives a power supply signal input by the first interface unit and provides charging current for external equipment, the main control unit controls the light emitting unit to display according to the charging current and a light sensing signal fed back by the light sensing unit, different horse race periods can be achieved according to the charging current, horse race brightness is controlled according to the light sensing signal, and the efficiency of horse race is improved. The charging mode is displayed more visually, and the user experience is also improved.

Description

Technical Field

[0001] This utility model belongs to the field of electronic equipment technology, and in particular relates to a data cable with a running light. Background Technology

[0002] With the rapid development of mobile terminal technology, users often need to use various data cables for data transfer or charging when using various terminal products (such as mobile phones, tablets, etc.). Data cables on the market typically have an indicator light that illuminates during charging or data transfer. However, the indicator light usually doesn't reflect the charging power, and in situations where the light isn't needed, such as at night when the user is resting, this feature can actually be inconvenient. Therefore, it is necessary to provide a data cable with a running light indicator to solve the aforementioned technical problems. Utility Model Content

[0003] To address the aforementioned issues, this invention provides a data cable with a running light feature, which can achieve different running light cycles based on the charging current and control the running light brightness according to the light sensor signal, thus providing a more intuitive display of the charging mode and solving the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model provides a data cable with a running light, including a data cable body and a circuit board disposed on the data cable body. One end of the data cable body is provided with a first interface unit, and the other end of the data cable body is provided with a second interface unit.

[0006] The circuit board includes a main control unit, a light-emitting unit, and a light-sensitive unit. The first interface unit, the second interface unit, the light-emitting unit, and the light-sensitive unit are all connected to the main control unit. The first interface unit is used to connect to a USB connector, and the second interface unit is used to connect to an external device. The main control unit receives a power signal input from the first interface unit and provides a charging current to the external device. The main control unit controls the light-emitting unit to display based on the charging current and the light-sensing signal fed back by the light-sensitive unit.

[0007] As a preferred embodiment of the above technical solution, the main control unit includes a first control chip, a first protection circuit, and a second protection circuit, both of which are connected to the first control chip.

[0008] As a preferred embodiment of the above technical solution, the first control chip includes a chip U2 with model number EN10PM-QFN16, the first protection circuit includes multiple resistors, multiple capacitors and multiple diodes, and the second protection circuit includes a capacitor, a TVS diode and a resistor connected in parallel.

[0009] As a preferred embodiment of the above technical solution, the photosensitive sensing unit includes resistor R11 and resistor R12. One end of resistor R11 is connected to chip U2, and the other end of resistor R11 is connected to resistor R12 and chip U2. Resistor R11 is a GL5528 photoresistor.

[0010] As a preferred embodiment of the above technical solution, the light-emitting unit includes ten light-emitting diodes connected to the chip U2.

[0011] As a preferred embodiment of the above technical solution, when the charging current is less than 1A, the running cycle of the four light-emitting diodes in the light-emitting unit is 3S;

[0012] When the charging current is greater than 1.5A, the running cycle of the four light-emitting diodes in the light-emitting unit is 2S;

[0013] When the charging current is less than 0.2A, the light-emitting unit is always on.

[0014] As a preferred embodiment of the above technical solution, when the light-sensing signal is during the day, the brightness of the light-emitting unit is 100%; when the light-sensing signal is at night, the brightness of the light-emitting unit is 50%.

[0015] As a preferred embodiment of the above technical solution, the first interface unit includes a terminal P2, a second control chip, and a switching circuit. The terminal P2 and the switching circuit are both connected to the second control chip. The switching circuit includes a TVS diode D2, a resistor R2, and a MOSFET Q1. One end of the TVS diode D2 is connected to the terminal P2, one end of the resistor R2 and the resistor R4, and the source of the MOSFET Q1. The other end of the TVS diode D2 is connected to one end of the resistor R3 and the gate of the MOSFET Q1. The resistor R2 and the MOSFET Q1 are connected in parallel to the second interface unit. The other end of the resistor R3 is connected to the second control chip, and the second control chip is connected to the other end of the resistor R4.

[0016] As a preferred embodiment of the above technical solution, the second interface unit includes a terminal P1 connected to the terminal P2, a TVS diode D1, and a resistor R1. One end of the resistor R1 is connected to the terminal P1, and the other end of the resistor R1 is connected to the TVS diode D1 and then to the second control chip.

[0017] As a preferred embodiment of the above technical solution, the second control chip includes a chip U1 with model number YA05, the terminal P1 includes eight pins, and the terminal P2 includes four pins.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] By setting a main control unit, a light-emitting unit, and a light-sensitive unit on the circuit board, the first interface unit is used to connect to a USB connector, and the second interface unit is used to connect to external devices. The main control unit receives the power signal input from the first interface unit and provides charging current to the external devices. The main control unit controls the light-emitting unit to display based on the charging current and the light-sensing signal fed back by the light-sensitive unit. Different running cycles can be realized according to the charging current, realizing the control of running brightness based on the light-sensing signal, displaying the charging mode more intuitively, and improving the user experience. Attached Figure Description

[0020] Figure 1 This is a structural block diagram of the data cable with a running light effect proposed in this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the first interface unit proposed in this utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the second interface unit proposed in this utility model;

[0023] Figure 4 This is a circuit diagram of the main control unit proposed in this utility model;

[0024] Figure 5 This is a circuit diagram of the photosensing unit proposed in this utility model;

[0025] Figure 6 This is a circuit diagram of the light-emitting unit proposed in this utility model;

[0026] Figure 7 The circuit diagram is of the first interface unit proposed in this utility model;

[0027] Figure 8 This is a circuit diagram of the second interface unit proposed in this utility model.

[0028] The symbols for the main components are explained below:

[0029] 10-Data cable body; 11-Circuit board; 12-First interface unit; 13-Second interface unit; 14-Main control unit; 15-Light emission unit; 16-Photosensitive unit. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0031] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0032] See Figure 1 , Figure 2 and Figure 3 This utility model provides a data cable with a running light, including a data cable body 10 and a circuit board 11 disposed on the data cable body 10. One end of the data cable body 10 is provided with a first interface unit 12, and the other end of the data cable body 10 is provided with a second interface unit 13.

[0033] The circuit board 11 includes a main control unit 14, a light-emitting unit 15, and a light-sensitive unit 16. The first interface unit 12, the second interface unit 13, the light-emitting unit 15, and the light-sensitive unit 16 are all connected to the main control unit 14. The first interface unit 12 is used to connect to a USB connector, and the second interface unit 13 is used to connect to an external device. The main control unit 14 receives a power signal input from the first interface unit 12 and provides a charging current to the external device. The main control unit 14 controls the light-emitting unit 15 to display based on the charging current and the light-sensing signal fed back by the light-sensitive unit 16.

[0034] In this embodiment, as Figure 4As shown, the main control unit 14 includes a first control chip, a first protection circuit, and a second protection circuit, both of which are connected to the first control chip. The first control chip includes chip U2 of model EN10PM-QFN16. The first protection circuit includes multiple resistors, multiple capacitors, and multiple diodes. The second protection circuit includes a capacitor, a TVS diode, and a resistor connected in parallel. The photosensitive unit 16 includes resistors R11 and R12. One end of resistor R11 is connected to chip U2, and the other end of resistor R11 is connected to resistor R12 and chip U2. Resistor R11 is a GL5528 photoresistor. The light-emitting unit 15 includes ten light-emitting diodes connected to chip U2. When the charging current is less than 1A, the cycle time of four light-emitting diodes in the light-emitting unit 15 is 3 seconds; when the charging current is greater than 1.5A, the cycle time of four light-emitting diodes in the light-emitting unit 15 is 2 seconds; when the charging current is less than 0.2A, the light-emitting unit 15 is constantly lit. When the light-sensing signal is during the day, the brightness of the light-emitting unit 15 is 100%; when the light-sensing signal is at night, the brightness of the light-emitting unit 15 is 50%.

[0035] It should be noted that, as Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the first interface unit 12 includes a terminal P2, a second control chip, and a switching circuit. Terminal P2 and the switching circuit are both connected to the second control chip. The switching circuit includes a TVS diode D2, a resistor R2, and a MOSFET Q1. One end of the TVS diode D2 is connected to terminal P2, one end of resistor R2, one end of resistor R4, and the source of MOSFET Q1. The other end of the TVS diode D2 is connected to one end of resistor R3 and the gate of MOSFET Q1. Resistor R2 and MOSFET Q1 are connected in parallel to the second interface unit 13. The other end of resistor R3 is connected to the second control chip, and the second control chip is connected to the other end of resistor R4. The second interface unit 13 includes a terminal P1 connected to terminal P2, a TVS diode D1, and a resistor R1. One end of resistor R1 is connected to terminal P1, and the other end of resistor R1 and TVS diode D1 are connected to the second control chip. The second control chip includes a chip U1 of model YA05. Terminal P1 has eight pins, and terminal P2 has four pins.

[0036] Specifically, such as Figure 4As shown, the main control unit 14 includes a chip U2, a first protection circuit, and a second protection circuit. The first protection circuit includes resistors R5, R6, R7, and R9, capacitors C2 and C3, diode D3, and diode D4. Capacitor C2 is connected to pin 1 of chip U2, the cathode of diode D4, and one end of resistor R6. The other end of resistor R6 is connected to the cathode of diode D3. The anode of diode D3 is connected to resistor R7 and pin 1 of terminal P2. Resistors R7 and R9 are connected to pin 11 of chip U2. The anode of diode D4 is connected to capacitors C2 and C3 and grounded. Capacitor C3 is connected to pin 2 of chip U2. The second protection circuit includes a TVS diode T1 and a resistor R10. One end of the TVS diode T1 and resistor R10 is connected to pin 7 of chip U2, and the other end of resistor R10 is connected to pin 2 of chip U2. A resistor R8 is connected to pin 9 of chip U2, and resistor R8 is connected to resistor R1 of the second interface unit. Sampling resistor R5 is connected to pins 12 and 13 of chip U2. The light-emitting unit includes ten light-emitting diodes (LEDs) from L1 to L10. The capacitor C1 of the ten LEDs is connected to pin 15 of chip U2, the capacitor C2 of the ten LEDs is connected to pin 3 of chip U2, the capacitor C3 of the ten LEDs is connected to pin 4 of chip U2, and the capacitor C4 of the ten LEDs is connected to pin 5 of chip U2.

[0037] Specifically, the first protection circuit protects against short circuits and reverse current, while the second protection circuit protects against surges. The TVS diode and MOSFET in the first interface unit 12 protect against high-voltage fast charging. The first interface unit 12 is compatible with standard charging adapters up to 15V / 2A. The second interface unit 13 can be an 8-pin connector, such as Type-C, Lightning, or USB. The light-emitting unit consists of ten white LEDs. LED L1 is located near the pad on the circuit board. When powered on and unloaded, the LED does not display anything. When an external device is connected for charging, the four LEDs in the light-emitting unit 15 form a shooting star pattern (large head, small tail). When the charging current is less than 1A, the shooting star cycle is 3 seconds, corresponding to slow charging. When the charging current is greater than 1.5A, the shooting star cycle is 2 seconds, and the four LEDs form a shooting star pattern for 2 seconds. When the charging current is less than 0.2A, the LEDs remain constantly lit, corresponding to a fully charged state. The light-controlled brightness is 100% during the day and 50% at night.

[0038] Specifically, the outer shells of the first interface unit 12 and the second interface unit 13 are made of zinc alloy, terminals P1 and P2 are made of brass C2680 tungsten-nickel alloy, and the data cable body 10 is made of white ABS. The data cable with the running light feature has a maximum current rating of 2.4A, a rated voltage of DC 5V, a minimum no-load withstand voltage of 20V, and a MOSFET no-load voltage of V. DS Less than or equal to 20V, V GSThe voltage is less than or equal to 12V. The photosensitive unit 16 and the light-emitting unit 15 are located on the front side of the circuit board 11, while the circuits corresponding to the first interface unit 12 and the main control unit 14 are located on the back side of the circuit board 11.

[0039] It should be understood that by setting a main control unit 14, a light-emitting unit 15, and a light-sensitive unit 16 on the circuit board 11, the first interface unit 12 is used to connect to the USB connector, the second interface unit 13 is used to connect to external devices, the main control unit 14 receives the power signal input from the first interface unit 12 and provides charging current to the external devices, and the main control unit 14 controls the light-emitting unit 15 to display according to the charging current and the light-sensing signal fed back by the light-sensitive unit 16. Different running cycles can be realized according to the charging current, realizing the control of running brightness according to the light-sensing signal, displaying the charging mode more intuitively, and improving the user experience.

[0040] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A data cable with a running light effect, characterized in that, The device includes a data cable body and a circuit board disposed on the data cable body. One end of the data cable body is provided with a first interface unit, and the other end of the data cable body is provided with a second interface unit. The circuit board includes a main control unit, a light-emitting unit, and a light-sensitive unit. The first interface unit, the second interface unit, the light-emitting unit, and the light-sensitive unit are all connected to the main control unit. The first interface unit is used to connect to a USB connector, and the second interface unit is used to connect to an external device. The main control unit receives a power signal input from the first interface unit and provides a charging current to the external device. The main control unit controls the light-emitting unit to display based on the charging current and the light-sensing signal fed back by the light-sensitive unit.

2. The data cable with a running light effect according to claim 1, characterized in that, The main control unit includes a first control chip, a first protection circuit, and a second protection circuit, both of which are connected to the first control chip.

3. The data cable with a running light effect according to claim 2, characterized in that, The first control chip includes a chip U2 with model number EN10PM-QFN16, the first protection circuit includes multiple resistors, multiple capacitors and multiple diodes, and the second protection circuit includes a capacitor, a TVS diode and a resistor connected in parallel.

4. The data cable with a running light effect according to claim 3, characterized in that, The photosensitive unit includes resistors R11 and R12. One end of resistor R11 is connected to chip U2, and the other end of resistor R11 is connected to resistor R12 and chip U2. Resistor R11 is a GL5528 photoresistor.

5. The data cable with a running light effect according to claim 4, characterized in that, The light-emitting unit includes ten light-emitting diodes connected to the chip U2.

6. The data cable with a running light effect according to claim 1, characterized in that, When the charging current is less than 1A, the running cycle of the four light-emitting diodes in the light-emitting unit is 3S; When the charging current is greater than 1.5A, the running cycle of the four light-emitting diodes in the light-emitting unit is 2S; When the charging current is less than 0.2A, the light-emitting unit is always on.

7. The data cable with a running light effect according to claim 6, characterized in that, When the light-sensing signal is during the day, the brightness of the light-emitting unit is 100%; when the light-sensing signal is at night, the brightness of the light-emitting unit is 50%.

8. The data cable with a running light effect according to claim 1, characterized in that, The first interface unit includes a terminal P2, a second control chip, and a switching circuit. The terminal P2 and the switching circuit are both connected to the second control chip. The switching circuit includes a TVS diode D2, a resistor R2, and a MOSFET Q1. One end of the TVS diode D2 is connected to the terminal P2, one end of the resistor R2 and the resistor R4, and the source of the MOSFET Q1. The other end of the TVS diode D2 is connected to one end of the resistor R3 and the gate of the MOSFET Q1. The resistor R2 and the MOSFET Q1 are connected in parallel to the second interface unit. The other end of the resistor R3 is connected to the second control chip, and the second control chip is connected to the other end of the resistor R4.

9. The data cable with a running light effect according to claim 8, characterized in that, The second interface unit includes a terminal P1 connected to the terminal P2, a TVS diode D1, and a resistor R1. One end of the resistor R1 is connected to the terminal P1, and the other end of the resistor R1 is connected to the TVS diode D1 and then to the second control chip.

10. The data cable with a running light effect according to claim 9, characterized in that, The second control chip includes a chip U1 with model number YA05, terminal P1 has eight pins, and terminal P2 has four pins.

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