CN217282292U

CN217282292U - Robot power management and protection output circuit

Info

Publication number: CN217282292U
Application number: CN202220360550.4U
Authority: CN
Inventors: 张宁; 庞少鹏; 王可; 吴天罡
Original assignee: Jinan Aogu Intelligent Control Technology Co ltd
Current assignee: Changzhou Aogu Intelligent Control Technology Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-08-23
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a robot power management and protection output circuit, which comprises a power battery input end, a first branch switch electrically connected with the power battery input end, an electric control module and a second branch switch electrically connected with the first branch switch respectively, wherein the electric control module is electrically connected with a power supply output end; the second branch switch is connected with the DCDC power supply module, and the DCDC power supply module is connected with the output end of an external power supply. Contrast prior art, the beneficial effects of the utility model reside in that: the robot power supply can be provided by using large current output and the peripheral equipment can be provided by using multi-voltage-level output, so that the cost is low and the use is simple.

Description

Robot power management and protection output circuit

Technical Field

The utility model relates to a disclose and provide robot circuit technical field, specifically be a robot power management and protection output circuit.

Background

With the progress of science and technology, robots are replacing people to perform various repetitive works in various fields such as industry, agriculture, commerce and even daily life, which brings great convenience for life production, so that the robot technology is also widely applied. Taking the example of a bionic four-footed robot with very hot fire at present, the bionic four-footed robot generally comprises a main control part, a power part, an auxiliary control part, a peripheral part and the like, and the power supply of the independent equipment parts usually needs one or more power supply modules with different voltage grades and current grades. For example, the quadruped robot not only can realize the functions of standing and walking, but also can realize the functions of running, jumping, overturning and the like, which requires that a power supply of the quadruped robot can release large current instantly to support the work of a joint motor of the quadruped robot; and the robot can also carry peripheral equipment such as camera, sensor to realize environmental information's collection, this just requires its power supply can realize the output function of different voltage grades again. The existing power supply cannot have such a multifunctional characteristic at the same time, and is not beneficial to the use of users.

SUMMERY OF THE UTILITY MODEL

For solving not enough among the prior art, the utility model provides a power management of robot and protection output circuit can use heavy current output to provide power supply and multivoltage grade output for the robot simultaneously and provide the power supply for peripheral equipment, low cost, simple to use.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

a robot power supply management and protection output circuit comprises a power battery input end, a first branch switch electrically connected with the power battery input end, an electric control module and a second branch switch, wherein the electric control module is electrically connected with the first branch switch; the second branch switch is connected with the DCDC power supply module, and the DCDC power supply module is connected with the output end of an external power supply.

And a filter circuit is arranged between the power battery input module and the first branch switch.

The power control module comprises a voltage stabilizing chip IC1, power MOS tubes Q1, Q2 and Q3 and a voltage comparator U6.

The DCDC power supply module comprises a voltage stabilizing chip IC2, a power MOS tube Q4, a Q6 voltage comparator U6 and a DCDC module U8. (Q5 is not shown in the figure)

Contrast prior art, the beneficial effects of the utility model reside in that:

the utility model takes the power battery as the power input, firstly removes the interference through the filter circuit, then realizes the safe output in the heavy current range in the power control circuit part of the first branch, converts the power voltage into the value output which can be used for the peripheral equipment in the DCDC module circuit part with the large power in the second branch; the user can use heavy current output to provide power supply for the robot and multi-voltage level output to provide power supply for peripheral equipment at the same time, and the robot is low in cost and simple to use.

Drawings

FIG. 1 is a block diagram of the flow of the present invention;

fig. 2 is a schematic circuit diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

As shown in fig. 1-2, a power management and protection output circuit for a robot includes a power battery input terminal U1, a first branch switch SW1 electrically connected to a power battery input terminal U1, the first branch switch SW1 is connected to a power control module through a resistor R2, the power control module includes a capacitor C14, a voltage stabilization chip IC1 electrically connected to a capacitor C14, a capacitor C15 and a resistor R3 electrically connected to the voltage stabilization chip IC1, a resistor R4 and a transient suppression diode D2 connected in parallel after passing through a resistor R3, and then a pin 4 of a power MOS transistor Q1 is connected, Q1 conducts the negative pole and the output negative pole, and a 12V signal generated by the IC1 passes through resistors R1, and a pin 3 of a voltage comparator U1 is connected to the capacitor C1 to trigger the operation thereof, the voltage comparator U1 makes the output lagging to play a role of buffer protection, and the output signal of the U1 starts two output MOS transistors Q1 and Q1 after passing through the pin 1 of the resistor R1, therefore, the positive and negative voltage output at the power supply output ends U4 and U5 is normal; the second branch switch SW2 is electrically connected with the first branch switch SW1, the second branch switch SW2 is electrically connected with the DCDC power module through a resistor R12, the DCDC power module comprises a capacitor C17, a voltage stabilizing chip IC2 electrically connected with a capacitor C17, a capacitor C18 and a resistor R21 electrically connected with a voltage stabilizing chip IC2, the resistor R13 and the transient suppression diode D4 which are connected in parallel are connected after passing through the resistor R21, then the pin 4 of the power MOS tube Q4 is connected, the Q4 conducts the negative pole of the power supply and outputs the negative pole to connect the resistors R15, R16, R17 and R18, the capacitor C19 is connected with the pin 1 of the voltage comparator U7, the output signal passes through the R19 and then reaches the pin 4 of the MOS tube Q6, the negative pole signal is connected with the pin 2 of the DCDC power module U8, at this time, the DCDC module works normally, the output end is connected with the U2 and U3 of the peripheral power module, and supplies power for peripheral equipment.

As shown in fig. 2, the filter circuit includes capacitors C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, and an inductor L1.

In this embodiment, the voltage regulation chips IC1 and IC2 are UA78L12 ACDR. LMC7211 is selected as voltage comparators U6 and U7. The DCDC power supply module U8 selects XRE10/24S 05.

The utility model discloses the working process does: a power supply is input into an interface U1, passes through filter circuits C1, C1 and L1 and reaches a first branch switch SW1, when the power supply is started, a signal flows through R1 and then is input into a pin 8 of a voltage stabilizing chip IC1 after being purified by C1, the IC1 outputs a 12V signal at a pin 1 after normal operation, the signal flows through R1 after being purified by C1 and reaches a pin 4 of an MOS tube Q1 to trigger the operation of the MOS tube Q1, the Q1 conducts a negative pole and an output negative pole, the 12V signal generated by the IC1 is also input into a pin 3 of a voltage comparator U1 after being purified by R1 to trigger the operation of the MOS tube, the U1 enables the output to generate hysteresis so as to play a buffer protection effect, the output of the positive pole, the Q1 and the negative pole of the MOS tube Q1 is started after the output signal of the pin 1 of the R1 passes through the R1, and the MOS tube Q1, and the positive pole of the MOS tube output of the MOS tube, and the negative pole of the MOS tube, and the output of the MOS tube, and the positive pole of the negative pole of the MOS tube are enabled to output of the MOS tube, and the output of the MOS tube, and the output of the positive pole of the negative pole of the MOS tube, and the output of the MOS tube, and the negative pole of the output of the negative pole of the output of the MOS tube, and the output of the MOS tube, the output of the, The three elements Q2 and Q3 work simultaneously, so that the capacity of outputting current is greatly improved, and a power supply is safely provided for the robot; on the second branch, after SW1 is turned on, SW2 is turned on, a signal flows through R12 to reach a pin 8 of a voltage stabilization chip IC2, at this time, the IC2 normally works, a 12V1 signal is output from a pin 1, the signal is purified by C18 and then flows through R1 to reach a pin 4 of a MOS transistor Q4 to trigger the working of the MOS transistor Q4, so that a pin 2 of a DCDC module U8 has negative electrode access, the 12V1 signal also passes through R15 to trigger a voltage comparator U7 to work, a pin 1 output signal of U7 passes through R19 and then reaches a pin 4 of a MOS transistor Q6, so that the negative electrode signal is switched on to the pin 2 of U8 in a lagging manner, at this time, the DCDC module normally works, an output voltage supplies power to peripheral equipment, electrical isolation from power supply output is realized, and the peripheral equipment plays a protection role. Therefore, safe output of large current and multiple voltage levels is completed.

Claims

1. A robot power management and protection output circuit is characterized in that: the power supply comprises a power battery input end, a first branch switch electrically connected with the power battery input end, an electric control module and a second branch switch, wherein the electric control module is electrically connected with the first branch switch; the second branch switch is connected with the DCDC power supply module, and the DCDC power supply module is connected with the output end of an external power supply.

2. The robot power management and protection output circuit of claim 1, wherein: and a filter circuit is arranged between the power battery input module and the first branch switch.

3. A robot power management and protection output circuit according to claim 1 or 2, wherein: the power control module comprises a voltage stabilizing chip IC1, power MOS tubes Q1, Q2 and Q3 and a voltage comparator U6.

4. A robot power management and protection output circuit according to claim 1 or 2, wherein: the DCDC power supply module comprises a voltage stabilizing chip IC2, a power MOS tube Q4, a Q6 voltage comparator U6 and a DCDC module U8.