CN219268711U

CN219268711U - Robot main board power supply circuit

Info

Publication number: CN219268711U
Application number: CN202320284965.2U
Authority: CN
Inventors: 王洪波
Original assignee: Intelligent Construction Shenzhen Technology Co ltd
Current assignee: Intelligent Construction Shenzhen Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-27
Anticipated expiration: 2033-02-14

Abstract

The utility model relates to the field of circuits and discloses a robot main board power supply circuit which comprises a power supply, a double-pole single-handle switch, a rectifier diode D6, a fuse F3, a voltage reduction chip U5 and a Schottky rectifier D8 for reverse polarity protection; the first end of the double-blade single-handle switch is electrically connected with a power supply, the rectifying diode D6 is electrically connected with the second end of the double-blade single-handle switch, the first end of the fuse F3 is electrically connected with the rectifying diode D6, the voltage reducing chip U5 is provided with 1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin, 7 pin and 8 pin, the 2 pin of the voltage reducing chip U5 is electrically connected with the second end of the fuse F3, the 8 pin of the voltage reducing chip U5 is used for being connected with a singlechip, and the 8 pin of the voltage reducing chip U5 is electrically connected with the Schottky rectifier D8; the circuit is integrally protected by the high-power Schottky rectifier D8 in reverse polarity, and the short circuit or overload protection is provided by the patch fusing fuse F3, so that the structure is simple.

Description

Robot main board power supply circuit

Technical Field

The utility model relates to the technical field of circuits, in particular to a power supply circuit of a robot main board.

Background

The power supply is an electric energy supply part of the robot, the electric energy source of each part in the robot depends on the power supply, and the power supply is the most basic premise for ensuring the normal operation of the hardware of the robot, so to speak, the power supply is the heart of the robot operation. Each accessory in the robot has certain power consumption, and particularly, a main board of the robot is used as a core component of the robot, and electric energy supply is needed to continuously and stably work. The existing main board power supply circuit is complex in structure and lacks overload protection and polarity reversal protection.

Disclosure of Invention

The utility model aims to provide a power supply circuit of a robot main board, which aims to solve the problems in the prior art.

The application provides a robot main board power supply circuit, which comprises a power supply, a double-pole single-handle switch, a rectifier diode D6, a fuse F3, a buck chip U5 and a Schottky rectifier D8 for reverse polarity protection; the first end of the double-pole single-handle switch is electrically connected with the power supply, the rectifier diode D6 is electrically connected with the second end of the double-pole single-handle switch, the first end of the fuse F3 is electrically connected with the rectifier diode D6, the voltage reduction chip U5 is provided with 1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin, 7 pin and 8 pin, the 2 pin of the voltage reduction chip U5 is electrically connected with the second end of the fuse F3, the 8 pin of the voltage reduction chip U5 is used for being connected with a singlechip, and the 8 pin of the voltage reduction chip U5 is electrically connected with the Schottky rectifier D8.

Further, the schottky rectifier D8 is grounded.

Further, the power supply is grounded.

Further, the double-pole single-handle switch is further connected with a rectifying diode D9, the rectifying diode D9 is connected with a capacitor C19, the capacitor C19 is connected with a capacitor C29, and the capacitor C29 is connected with the 4 pins of the buck chip U5.

Further, a second end of the F3 is connected to a capacitor C28, and the capacitor C28 is electrically connected to the capacitor C19.

Further, an inductor L2 is connected to the 8 pin of the buck chip U5, and the inductor L2 is used for being connected with a singlechip.

Further, the signal of the buck chip U5 is TPS54331.

Further, the type of the fuse F3 is CC12H2A-TR.

Compared with the prior art, the robot main board power supply circuit provided by the utility model has the advantages that the double-blade single-handle switch control circuit is switched on and off, after the circuit is switched on, the voltage is reduced to 5V through the voltage reduction chip U5 and is output to the singlechip, and the working power supply is provided for the singlechip. The external power supply is connected through the 2-pin VIN of the voltage reduction chip U5, and is output by the 8-pin PH of the voltage reduction chip U5 after voltage reduction. The circuit is integrally protected by the high-power Schottky rectifier D8 in reverse polarity, and the short circuit or overload protection is provided by the patch fusing fuse F3, so that the structure is simple.

Drawings

Fig. 1 is a circuit diagram of a power supply circuit of a main board of a robot according to an embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The implementation of the present utility model will be described in detail below with reference to specific embodiments.

Referring to fig. 1, a power supply circuit of a robot main board includes a power supply, a double-pole single-handle switch, a rectifying diode D6, a fuse F3, a buck chip U5, and a schottky rectifier D8 for reverse polarity protection; the first end of the double-pole single-handle switch is electrically connected with the power supply, the rectifier diode D6 is electrically connected with the second end of the double-pole single-handle switch, the first end of the fuse F3 is electrically connected with the rectifier diode D6, the voltage reduction chip U5 is provided with 1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin, 7 pin and 8 pin, the 2 pin of the voltage reduction chip U5 is electrically connected with the second end of the fuse F3, the 8 pin of the voltage reduction chip U5 is used for being connected with a singlechip, and the 8 pin of the voltage reduction chip U5 is electrically connected with the Schottky rectifier D8.

The power supply circuit of the robot main board is characterized in that the power supply circuit is connected with the double-blade single-handle switch control circuit, and after the circuit is connected, the voltage is reduced to 5V through the voltage reduction chip U5 and is output to the singlechip, so that a working power supply is provided for the singlechip. The external power supply is connected through the 2-pin VIN of the voltage reduction chip U5, and is output by the 8-pin PH of the voltage reduction chip U5 after voltage reduction. The circuit is integrally protected by the high-power Schottky rectifier D8 in reverse polarity, and the short circuit or overload protection is provided by the patch fusing fuse F3, so that the structure is simple.

As one embodiment of the present application, the schottky rectifier D8 is grounded, and the schottky rectifier D8 is protected from the ground.

Further, the power supply is grounded, and the power supply is grounded.

Specifically, the double-pole single-handle switch is also connected with a rectifying diode D9, the rectifying diode D9 is connected with a capacitor C19, the capacitor C19 is connected with a capacitor C29, and the capacitor C29 is connected with the 4 pins of the buck chip U5.

As an embodiment of the present application, the second end of F3 is connected to a capacitor C28, and the capacitor C28 is electrically connected to the capacitor C19.

As an implementation mode of the voltage reducing chip U5, an inductor L2 is connected to the 8 pins of the voltage reducing chip U5, and the inductor L2 is used for being connected with a single chip microcomputer.

Preferably, the signal of the buck chip U5 is TPS54331.

Preferably, the type of the fuse F3 is CC12H2A-TR.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. The power supply circuit of the robot main board is characterized by comprising a power supply, a double-pole single-handle switch, a rectifying diode D6, a fuse F3, a buck chip U5 and a Schottky rectifier D8 for reverse polarity protection; the first end of the double-pole single-handle switch is electrically connected with the power supply, the rectifier diode D6 is electrically connected with the second end of the double-pole single-handle switch, the first end of the fuse F3 is electrically connected with the rectifier diode D6, the voltage reduction chip U5 is provided with 1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin, 7 pin and 8 pin, the 2 pin of the voltage reduction chip U5 is electrically connected with the second end of the fuse F3, the 8 pin of the voltage reduction chip U5 is used for being connected with a singlechip, and the 8 pin of the voltage reduction chip U5 is electrically connected with the Schottky rectifier D8.

2. A robot motherboard power supply circuit according to claim 1, characterized in that the schottky rectifier D8 is arranged to be grounded.

3. The robotic motherboard power supply circuit of claim 1, wherein the power supply is grounded.

4. The power supply circuit of the robot main board according to claim 1, wherein the double-pole single-handle switch is further connected with a rectifying diode D9, the rectifying diode D9 is connected with a capacitor C19, the capacitor C19 is connected with a capacitor C29, and the capacitor C29 is connected with the 4 pins of the buck chip U5.

5. The power supply circuit of the robot motherboard according to claim 1, wherein the second end of the F3 is connected to a capacitor C28, and the capacitor C28 is electrically connected to the capacitor C19.

6. The power supply circuit of the robot main board according to claim 1, wherein the 8 pins of the step-down chip U5 are connected with an inductor L2, and the inductor L2 is used for being connected with a single chip microcomputer.

7. The power supply circuit of the robot motherboard according to claim 1, wherein the signal of the buck chip U5 is TPS54331.

8. The robot motherboard power supply circuit of claim 1, wherein said fuse F3 is of the type CC12H2A-TR.