LED digital instrument with USB socket

Abstract

The utility model relates to motorcycle instrument technical field, specifically disclose a kind of LED digital instrument with USB socket, including front shell, rear shell, main control circuit board and display panel, the front shell is detachably connected with rear shell, the main control circuit board and display panel are all installed in the rear shell, USB socket electrically connected with the main control circuit board is installed on the front shell, the front shell is provided with the speed display part and speed display part of the circular setting, the outside of speed display part and speed display part is all provided with anti-collision ring, the bottom of rear shell is provided with several screw mounting through-hole and several limit installation column of the apex distribution of triangle shape. The utility model is convenient to insert U disk by increasing the setting USB socket to later stage expansion charging or playing audio function, it is more convenient to use, the overall structural stability of the front shell and rear shell is improved by setting limit installation column and anti-collision ring, appearance is beautiful, and overall structural stability is higher.

Description

Technical Field

[0001] This utility model relates to the field of motorcycle instrument technology, and in particular to an LED digital instrument with a USB port. Background Technology

[0002] With the development of society, people's modes of transportation are becoming more and more diverse. Motorcycles are now quite popular. Motorcycles are generally equipped with LCD instruments, which make it convenient for users to observe data such as speed, fuel consumption, and mileage.

[0003] A search revealed that Chinese utility model patent CN217864511U discloses a motorcycle dashboard, comprising: a motorcycle LCD instrument panel with a wiring harness, wiring harness terminals, and a flange at the upper end; a bottom shell; an upper shell connected to the bottom shell at the lower end; a waterproof and breathable component mounted on the bottom shell; and a mounting component; the flange presses against the upper end of the upper shell, and the motorcycle LCD instrument panel is detachably connected to the bottom shell. The described motorcycle dashboard is easy to install, has good waterproof and breathable performance, and the inner surface of the instrument panel lens is not prone to fogging.

[0004] While the existing motorcycle dashboards can meet basic usage needs, their functions are relatively limited. They lack a USB port, making it inconvenient to insert a USB flash drive later to expand charging or audio playback functions, which is quite inconvenient to use. Furthermore, their appearance is not aesthetically pleasing, and the overall structural stability needs to be improved. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide an LED digital instrument with a USB port, which addresses the above-mentioned defects of the prior art. By adding a USB port, it is convenient to insert a USB flash drive for future expansion of charging or audio playback functions, making it more convenient to use. The overall structural stability of the front and rear shells is improved by setting a limiting mounting post and an anti-collision ring. The instrument is aesthetically pleasing and has high overall structural stability.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0007] An LED digital instrument with a USB port includes a front shell, a rear shell, a main control circuit board, and a display panel. The front shell and the rear shell are detachably connected. The main control circuit board and the display panel are both installed inside the rear shell. The front shell is equipped with a USB port that is electrically connected to the main control circuit board. The front shell is provided with a circular speed display section and a speed display section. Anti-collision rings are provided on the outer sides of the speed display section and the speed display section. The bottom of the rear shell is provided with a number of screw mounting holes and a number of limiting mounting posts distributed in a triangular shape.

[0008] Preferably, the main control circuit board includes a microcontroller main control circuit, a USB interface circuit, a power management circuit, and a key door power processing circuit. The USB interface circuit and the key door power processing circuit are both electrically connected to the microcontroller main control circuit, and the power management circuit is electrically connected to the key door power processing circuit.

[0009] Preferably, the microcontroller main control circuit includes a microcontroller chip UM1, a signal input interface JP2, a resistor RM1, a capacitor C4, a capacitor C5, and a diode DU41. The signal input interface JP2, the resistor RM1, the capacitor C4, the capacitor C5, and the diode DU41 are all connected to the microcontroller chip UM1.

[0010] Preferably, the USB interface circuit includes a USB interface JM1, resistors RF1 and RF2, diode DF1 and capacitor CF1. Diode DF1 is connected to the USB interface JM1, resistors RF1 and RF2 and capacitor CF1 respectively, and resistor RF2 is connected to the microcontroller chip UM1.

[0011] Preferably, the key door power processing circuit includes a power conversion chip UV1, a transistor QV11, a diode DV11, a diode DG1, a Zener diode DV12, a resistor RV11, a resistor RV12, and a power interface JM2. The transistor QV11 is connected to the power conversion chip UV1, the diode DG1, the Zener diode DV12, the resistor RV11, and the resistor RV12. The diode DV1 is connected to the resistor RV11 and the diode DG1. The power interface JM2 is connected to the diode DG1 and the microcontroller chip UM1.

[0012] Preferably, the power management circuit includes a power conversion chip V1, a transistor QV51, diodes DV51, DV52, DV53, DV54, DV55, and DV56, capacitors CV51, CV43, and CV54, and a resistor RV51. The transistor QV51, diode DV55, capacitors CV51, CV43, and CV54, and resistor RV51 are all connected to the power conversion chip V1. The transistor QV51 is connected to diodes DV51, DV52, DV53, and DV54 respectively. Diodes DV51 and DV52 are both connected to diode DG1.

[0013] By adopting the above technical solution, the LED digital instrument with a USB port provided by this utility model has the following beneficial effects: the front shell and the rear shell of the LED digital instrument are detachably connected. The main control circuit board and the display panel are both installed in the rear shell. The front shell is equipped with a USB port electrically connected to the main control circuit board. The front shell is provided with a circular speed display section and a speed display section. Anti-collision rings are provided on the outer sides of the speed display section and the speed display section. The bottom of the rear shell is provided with several screw mounting holes and several limiting mounting posts distributed in a triangular shape. By adding a USB port to insert a USB flash drive, it is convenient to expand the charging or audio playback functions in the future, making it more convenient to use. The setting of limiting mounting posts and anti-collision rings improves the overall structural stability of the front shell and the rear shell, resulting in high overall structural stability. Moreover, the overall layout is reasonable, the appearance is more beautiful, and the aesthetics are good. Attached Figure Description

[0014] Figure 1 This is an exploded view of the present invention;

[0015] Figure 2 This is a perspective view of the present utility model;

[0016] Figure 3 This is a perspective view of the present invention from another angle;

[0017] Figure 4 This is a circuit diagram of the main control circuit board in this utility model;

[0018] In the diagram, 1-front shell, 2-rear shell, 3-main control circuit board, 4-display panel, 5-USB port, 6-tachometer display, 7-speed display, 8-anti-collision ring, 9-screw mounting hole, 10-limit mounting post. Detailed Implementation

[0019] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 are not intended to 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.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0022] like Figure 1-4 As shown, the LED digital instrument with USB port includes a front shell 1, a rear shell 2, a main control circuit board 3, and a display panel 4. The front shell 1 and the rear shell 2 are detachably connected. The main control circuit board 3 and the display panel 4 are both installed inside the rear shell 2. The front shell 1 is equipped with a USB port 4 that is electrically connected to the main control circuit board 3. The front shell 1 is provided with a circular speed display 6 and a speed display 7. Anti-collision rings 8 are provided on the outer side of the speed display 6 and the speed display 7. The bottom of the rear shell 2 is provided with several screw mounting holes 9 and several limiting mounting posts 10 distributed in a triangular shape. Understandably, both the front shell 1 and the rear shell 2 can be made of hard plastic or stainless steel, etc. The display panel 4 can be a general motorcycle instrument display panel, etc., with several display areas on its surface. Each display area has corresponding numerical symbols or vehicle condition indicators, etc., and can integrate fuel gauge display, clock display, gear display and low voltage alarm functions. By setting the screw mounting through hole 9 and the limiting mounting post 10, it can be fixedly connected to the motorcycle frame to improve the connection stability. By setting the anti-collision ring 8, the side of the front shell 1 can be protected from collisions, thereby improving the overall structural strength.

[0023] Specifically, the main control circuit board 3 includes a microcontroller main control circuit, a USB interface circuit, a power management circuit, and a keyway power processing circuit. The USB interface circuit and the keyway power processing circuit are both electrically connected to the microcontroller main control circuit, and the power management circuit is electrically connected to the keyway power processing circuit. The microcontroller main control circuit includes a microcontroller chip UM1, a signal input interface JP2, a resistor RM1, a capacitor C4, a capacitor C5, and a diode DU41. The signal input interface JP2, resistor RM1, capacitor C4, capacitor C5, and diode DU41 are all connected to the microcontroller chip UM1. It is understood that the microcontroller chip UM1 is an STM8S003F3 chip, which serves as the control core of the main control circuit board 3, controlling the operating state of the aforementioned circuits through centralized signal processing and transmission / reception.

[0024] Specifically, the USB interface circuit includes a USB interface JM1, resistors RF1 and RF2, a diode DF1, and a capacitor CF1. Diode DF1 is connected to the USB interface JM1, resistors RF1 and RF2, and capacitor CF1. Resistor RF2 is connected to the microcontroller chip UM1. Understandably, the USB interface JM1 supports 20W-60W fast charging and can read audio from a USB flash drive, sending the audio signal to the microcontroller chip UM1 for subsequent signal processing.

[0025] Specifically, the key door power processing circuit includes a power conversion chip UV1, a transistor QV11, a diode DV11, a diode DG1, a Zener diode DV12, resistors RV11 and RV12, and a power interface JM2. The transistor QV11 is connected to the power conversion chip UV1, diode DG1, Zener diode DV12, and resistors RV11 and RV12. The diode DV1 is connected to resistor RV11 and diode DG1. The power interface JM2 is connected to diode DG1 and the microcontroller chip UM1. It is understood that the power conversion chip UV1 uses a 78M05 chip to convert the power supply voltage.

[0026] Specifically, the power management circuit includes a power conversion chip V1, a transistor QV51, diodes DV51, DV52, DV53, DV54, DV55, and DV56, capacitors CV51, CV43, and CV54, and a resistor RV51. Transistor QV51, diode DV55, capacitors CV51, CV43, and CV54, and resistor RV51 are all connected to the power conversion chip V1. Transistor QV51 is connected to diodes DV51, DV52, DV53, and DV54 respectively. Diodes DV51 and DV52 are both connected to diode DG1. It is understood that the power conversion chip V1 uses an XL4015 chip to output a suitable operating power supply to the aforementioned circuit.

[0027] Understandably, this utility model has a reasonable design and unique structure. By adding a USB port 5 to insert a USB flash drive, it is easier to expand the charging or audio playback functions in the future, making it more convenient to use. By setting a limiting mounting post 10 and an anti-collision ring 8, the overall structural stability of the front shell 1 and the rear shell 2 is improved, resulting in high overall structural stability. Furthermore, the overall layout is reasonable, the appearance is relatively beautiful, and the aesthetics are good.

[0028] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. An LED digital instrument with a USB port, comprising a front shell, a rear shell, a main control circuit board, and a display panel, wherein the front shell and the rear shell are detachably connected, and the main control circuit board and the display panel are both installed inside the rear shell, characterized in that: The front cover is equipped with a USB port that is electrically connected to the main control circuit board. The front cover is provided with a circular speed display and a speed display. Anti-collision rings are provided on the outer side of the speed display and the speed display. The bottom of the rear cover is provided with several screw mounting holes and several limiting mounting posts distributed in a triangular shape.

2. The LED digital meter with USB port according to claim 1, characterized in that: The main control circuit board includes a microcontroller main control circuit, a USB interface circuit, a power management circuit, and a key door power processing circuit. The USB interface circuit and the key door power processing circuit are both electrically connected to the microcontroller main control circuit, and the power management circuit is electrically connected to the key door power processing circuit.

3. The LED digital instrument with USB port according to claim 2, characterized in that: The microcontroller main control circuit includes a microcontroller chip UM1, a signal input interface JP2, a resistor RM1, a capacitor C4, a capacitor C5, and a diode DU41. The signal input interface JP2, the resistor RM1, the capacitor C4, the capacitor C5, and the diode DU41 are all connected to the microcontroller chip UM1.

4. The LED digital meter with USB port according to claim 3, characterized in that: The USB interface circuit includes a USB interface JM1, a resistor RF1, a resistor RF2, a diode DF1, and a capacitor CF1. The diode DF1 is connected to the USB interface JM1, the resistor RF1, the resistor RF2, and the capacitor CF1, respectively. The resistor RF2 is connected to the microcontroller chip UM1.

5. The LED digital meter with USB port according to claim 3, characterized in that: The key door power processing circuit includes a power conversion chip UV1, a transistor QV11, a diode DV11, a diode DG1, a Zener diode DV12, a resistor RV11, a resistor RV12, and a power interface JM2. The transistor QV11 is connected to the power conversion chip UV1, the diode DG1, the Zener diode DV12, the resistor RV11, and the resistor RV12. The diode DV1 is connected to the resistor RV11 and the diode DG1. The power interface JM2 is connected to the diode DG1 and the microcontroller chip UM1.

6. The LED digital meter with USB port according to claim 5, characterized in that: The power management circuit includes a power conversion chip V1, a transistor QV51, diodes DV51, DV52, DV53, DV54, DV55, and DV56, capacitors CV51, CV43, and CV54, and a resistor RV51. The transistor QV51, diode DV55, capacitors CV51, CV43, and CV54, and resistor RV51 are all connected to the power conversion chip V1. The transistor QV51 is connected to diodes DV51, DV52, DV53, and DV54 respectively. Diodes DV51 and DV52 are both connected to diode DG1.

Images