Unlock instant, AI-driven research and patent intelligence for your innovation.
False alarm prevention control method and system for over-temperature protection of driving motor
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A driving motor and over-temperature protection technology, which is applied in the direction of emergency protection circuit devices, electrical components, etc., can solve the problems of reduced reliability of vehicle operation, and achieve the effect of reducing the reliability of vehicles
Active Publication Date: 2019-09-17
ZHENGZHOU YUTONG BUS CO LTD
View PDF4 Cites 3 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0006] The invention provides an anti-false alarm control method and system for over-temperature protection of a driving motor, which is used to solve the problem in the prior art that the reliability of the vehicle operation is reduced due to the jump of the temperature sensor
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0046] This embodiment provides an anti-false alarm control method for driving motor over-temperature protection, which is used to detect the temperature of the driving motor of the electric vehicle, determine whether the temperature of the driving motor is too high, and detect whether the temperature sensor of the driving motor has Jump.
[0047] The anti-false alarm control method of the drive motor over-temperature protection provided in this embodiment, its control flow is as follows figure 2 shown, including the following steps:
[0048] During the operation of the vehicle, the temperature values of the driving motors on the vehicle are collected every interval of the first set time Δt; when there are four driving motors on the electric vehicle, T1, T2, T3 and T4 are respectively used to represent the first driving motor , the temperature values of the second drive motor, the third drive motor and the fourth drive motor;
[0049]When the temperature value of one of...
Embodiment 2
[0057] This embodiment provides an anti-false alarm control method for driving motor over-temperature protection, which is used to detect the temperature of the driving motor of the electric vehicle, determine whether the temperature of the driving motor is too high, and detect whether the temperature sensor of the driving motor has Jump.
[0058] The anti-false alarm control method of the drive motor over-temperature protection provided in this embodiment, its control flow is as follows figure 2 shown, including the following steps:
[0059] During the operation of the vehicle, the temperature values of the driving motors on the vehicle are collected every set time interval Δt; when there are four driving motors on the electric vehicle, T1, T2, T3 and T4 are respectively used to represent the first driving motor, The temperature values of the second drive motor, the third drive motor and the fourth drive motor;
[0060] When the temperature value of one of the drive mo...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
PUM
Login to View More
Abstract
The invention provides a false alarmprevention control method and system for over-temperature protection of a driving motor. The method comprises the following steps of: collecting the temperature value of the driving motor at a first set time interval in the running process of the vehicle; when the temperature of the driving motor is larger than a set temperature value, calculating the absolute value of the difference between the temperature value of the driving motor and the temperature value of one of the other driving motors; and when the absolute value is larger than the set temperature difference value, determining that a temperature sensor for detecting the temperature of the driving motor jumps, otherwise, determining that the temperature of the driving motor is too high. According to the technical scheme provided by the invention, when the temperature of one driving motor is greater than the set temperature value, it is determined whether the temperature of the driving motor is too high or the temperature sensor of the driving motor jumps or not through the temperature difference between the driving motor and other driving motors, so that the problem of reduced vehicle reliability caused by the jump of the temperature sensor is solved.
Description
technical field [0001] The invention belongs to the technical field of motor operation control, and in particular relates to an anti-false alarm control method and system for over-temperature protection of a drive motor. Background technique [0002] For an electric vehicle powered by a power battery, its working principle is: the power battery supplies power to the drive motor, so that the drive motor drives the wheels to rotate, thereby driving the vehicle. The vehicle is provided with a plurality of wheels, and each wheel is provided with a corresponding drive motor, and any abnormal operation state of any drive motor will affect the driving safety of the vehicle. [0003] When the running state of the motor is abnormal, it will usually cause the temperature of the motor to rise. Therefore, in order to detect the fault of the motor in time and ensure the safe operation of the vehicle, a temperature sensor is usually installed at the motor. The running state of the motor ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to View More 
Login to View More