CN213457289U - Electric quantity detection circuit for robot - Google Patents
Electric quantity detection circuit for robot Download PDFInfo
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- CN213457289U CN213457289U CN201922497365.0U CN201922497365U CN213457289U CN 213457289 U CN213457289 U CN 213457289U CN 201922497365 U CN201922497365 U CN 201922497365U CN 213457289 U CN213457289 U CN 213457289U
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Abstract
The utility model relates to an electric quantity detection circuit for robot, have fuel gauge U1, resistance R9215's one end is used for connecing the robot rechargeable battery's voltage positive pole, resistance R9215's the other end connects to fuel gauge U1's CELL pin, resistance R9215's the other end still connects ground connection behind resistance R9214, resistance R9216's one end is used for connecing VCC supply voltage, resistance R9216's the other end connects to fuel gauge U1's VDD pin, resistance R9216's the other end still connects ground connection behind electric capacity C9213; the SDA pin and the SCL pin of the electricity meter U1 are used for connecting the CPU of the robot. The utility model discloses a power detection circuitry for robot is convenient for detect robot rechargeable battery's electric quantity. The CPU of the robot can further display the electric quantity information on the screen of the robot, so that the accurate display of the electric quantity of the rechargeable battery of the robot is completed.
Description
Technical Field
The utility model relates to a power detection circuit for robot.
Background
In the process of robot function development, because a CPU of the robot does not have the function of electric quantity detection, the electric quantity display of the rechargeable battery of the robot is not accurate, electric quantity mutation often occurs, and the residual service life of the rechargeable battery of the robot cannot be effectively predicted.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: an electric quantity detection circuit for a robot is convenient for detecting the electric quantity of a rechargeable battery of the robot.
The utility model provides a technical scheme that its technical problem adopted is: the electric quantity detection circuit for the robot is provided with an electricity meter U1 and a resistor R9215, wherein one end of the resistor R9215 is used for being connected with a voltage positive electrode of a robot charging battery, the other end of the resistor R9215 is connected to a CELL pin of an electricity meter U1, the other end of the resistor R9215 is also connected with a resistor R9214 and then grounded, and a capacitor C9214 is connected with the resistor R9214 in parallel; one end of the resistor R9216 is used for connecting VCC power supply voltage, the other end of the resistor R9216 is connected to a VDD pin of the fuel gauge U1, and the other end of the resistor R9216 is also connected with a capacitor C9213 and then grounded; the CTG pin and the GND pin of the electricity meter U1 are grounded, the SDA pin and the SCL pin of the electricity meter U1 are used for being connected with a CPU of the robot, the QSTRT pin of the electricity meter U1 is grounded, and the ALRT pin of the electricity meter U1 is grounded after being connected with a resistor R9219 in series.
Preferably, the resistance value of the resistor R9215 is 200K, the resistance value of the resistor R9214 is 200K, the capacity of the capacitor C9214 is 1uF, the resistance value of the resistor R9216 is 100R, and the capacity of the capacitor C9213 is 1 uF.
Preferably, the resistance value of the resistor R9219 is 10K.
The utility model has the advantages that: the utility model discloses a power detection circuitry for robot, the CELL pin of coulometer U1 acquires the voltage parameter of link between resistance R9215 and resistance R9214, according to the electric quantity information of calculating output robot rechargeable battery. The utility model discloses a power detection circuitry for robot is convenient for detect robot rechargeable battery's electric quantity.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic circuit diagram of a power detection circuit for a robot according to the present invention;
fig. 2 is a typical charging characteristic curve of a robot rechargeable battery.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the electric quantity detection circuit for the robot comprises an electricity meter U1 and a resistor R9215, wherein one end of the resistor R9215 is used for being connected with the voltage positive electrode of a robot rechargeable battery, the other end of the resistor R9215 is connected to a CELL pin of an electricity meter U1, the other end of the resistor R9215 is also connected with a resistor R9214 and then grounded, and a capacitor C9214 is connected with the resistor R9214 in parallel; one end of the resistor R9216 is used for connecting VCC power supply voltage, the other end of the resistor R9216 is connected to a VDD pin of the fuel gauge U1, and the other end of the resistor R9216 is also connected with a capacitor C9213 and then grounded; the CTG pin and the GND pin of the electricity meter U1 are grounded, the SDA pin and the SCL pin of the electricity meter U1 are used for being connected with a CPU of the robot, the QSTRT pin of the electricity meter U1 is grounded, and the ALRT pin of the electricity meter U1 is grounded after being connected with a resistor R9219 in series.
The resistance value of the resistor R9215 is 200K, the resistance value of the resistor R9214 is 200K, the capacity of the capacitor C9214 is 1uF, the resistance value of the resistor R9216 is 100R, and the capacity of the capacitor C9213 is 1 uF. The resistance value of the resistor R9219 is 10K.
The fuel gauge U1 employs a CW2015 chip. The SDA pin of the electricity meter U1 is connected with the CPU of the robot through a resistor R9217, and the SCL pin of the electricity meter U1 is connected with the CPU of the robot through a resistor R9218. The resistor R9217 and the resistor R9218 both adopt a resistor of 0R (namely, a resistor with zero resistance), and the resistor R9217 and the resistor R9218 are used as jumpers. Fig. 2 shows a typical charging characteristic curve of a rechargeable battery of the robot. The robot rechargeable battery adopts a lithium battery.
Externally hang on the CPU of the robot the utility model discloses an electric quantity detection circuit. The CELL pin of the electricity meter U1 obtains the voltage parameter of the connecting end between the resistor R9215 and the resistor R9214, the electricity meter U1 carries out analog-to-digital conversion, the current passing through the resistor R9215 can be calculated according to the resistance values of the resistor R9215 and the resistor R9214, and the electric quantity information of the robot rechargeable battery can be obtained after integral operation. Integral operationThe formula is as follows:
wherein, q (t) is the electric quantity, i (t) is the current passing through the resistor R9215. The electricity meter U1 stores the obtained electricity amount information in the electricity meter register, and the CPU of the robot captures the electricity amount information in the electricity meter register at intervals (time may be preset) through I2C. The CPU of the robot can further display the electric quantity information on the screen of the robot, so that the accurate display of the electric quantity of the rechargeable battery of the robot is completed. The CPU of the robot can further obtain the remaining service time or the time required by full charge according to the electric quantity information and the total capacity of the rechargeable battery of the robot, and the user experience is improved.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. A kind of robot uses the electric quantity detection circuit, characterized by that: the robot charging battery energy-saving circuit is provided with an electricity meter U1 and a resistor R9215, wherein one end of the resistor R9215 is used for being connected with the voltage anode of the robot charging battery, the other end of the resistor R9215 is connected to the CELL pin of the electricity meter U1, the other end of the resistor R9215 is also connected with a resistor R9214 and then grounded, and a capacitor C9214 is connected with the resistor R9214 in parallel; one end of the resistor R9216 is used for connecting VCC power supply voltage, the other end of the resistor R9216 is connected to a VDD pin of the fuel gauge U1, and the other end of the resistor R9216 is also connected with a capacitor C9213 and then grounded; the CTG pin and the GND pin of the electricity meter U1 are grounded, the SDA pin and the SCL pin of the electricity meter U1 are used for being connected with a CPU of the robot, the QSTRT pin of the electricity meter U1 is grounded, and the ALRT pin of the electricity meter U1 is grounded after being connected with a resistor R9219 in series.
2. The circuit for detecting electric power for a robot according to claim 1, wherein: the resistance value of the resistor R9215 is 200K, the resistance value of the resistor R9214 is 200K, the capacity of the capacitor C9214 is 1uF, the resistance value of the resistor R9216 is 100R, and the capacity of the capacitor C9213 is 1 uF.
3. The circuit for detecting electric power for a robot according to claim 1, wherein: the resistance value of the resistor R9219 is 10K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497365.0U CN213457289U (en) | 2019-12-31 | 2019-12-31 | Electric quantity detection circuit for robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497365.0U CN213457289U (en) | 2019-12-31 | 2019-12-31 | Electric quantity detection circuit for robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213457289U true CN213457289U (en) | 2021-06-15 |
Family
ID=76286235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922497365.0U Active CN213457289U (en) | 2019-12-31 | 2019-12-31 | Electric quantity detection circuit for robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213457289U (en) |
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2019
- 2019-12-31 CN CN201922497365.0U patent/CN213457289U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangzhou Longhua District Minzhi Street Minle Community Xinghe WORLD Phase II C Building 2101 Patentee after: Shenzhen huachain Intelligent Technology Co.,Ltd. Address before: No. 311101, yuanfenlao village, Gaofeng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Material Control Intelligence Union Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |