CN218675224U - Motor parameter calibration device and system - Google Patents
Motor parameter calibration device and system Download PDFInfo
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- CN218675224U CN218675224U CN202221887912.1U CN202221887912U CN218675224U CN 218675224 U CN218675224 U CN 218675224U CN 202221887912 U CN202221887912 U CN 202221887912U CN 218675224 U CN218675224 U CN 218675224U
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Abstract
The utility model relates to a direct current motor technical field mainly provides a motor parameter calibration device and system, motor parameter calibration device mainly includes controller, motor NTC and calculation module, wherein, the controller includes sense terminal, receiving terminal and output. The detection end of the controller is connected with the second end of the calculation module and the second end of the NTC of the motor respectively, the receiving end of the controller is connected with the upper computer, the output end of the controller is connected with the motor, and the first end of the calculation module is connected with the power supply. The calculation module is used for calculating the current temperature of the NTC of the motor; the controller is used for receiving the proportion of the motor parameters changing along with the temperature, adjusting the motor parameters corresponding to the current temperature based on the proportion, and outputting the adjusted parameter information through the output end, so that the motor operates based on the adjusted parameters. Therefore, the parameters of the motor can be adjusted in real time according to the temperature of the motor, and the stability of the motor is improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a direct current motor technical field, in particular to motor parameter calibration device and system.
[ background of the invention ]
In the design of the scooter, most of the inductive motors need to be added with Hall sensors, so that the cost is too high. Therefore, some people can select the non-inductive motor to control the operation of the sliding plate, and the reject ratio of the motor is reduced while the cost is saved. However, the parameters (resistance, inductance and flux linkage) of the existing non-inductive motor are too sensitive to temperature, and the parameter difference of the motor is large when the motor is in a cold state or a high temperature, so that the technical problems of easy abnormal sound generation and poor stability when the motor is braked at a high speed are caused.
[ Utility model ] content
The embodiment of the utility model provides a motor parameter calibration device and system mainly is that the parameter of solving among the prior art motor is too sensitive to the temperature, leads to the problem that motor stability is low when high-speed brake.
In order to solve the above technical problem, the utility model discloses a technical scheme that embodiment adopted is: the motor parameter calibration device comprises a controller, a motor NTC and a calculation module, wherein the controller comprises a detection end, a receiving end and an output end;
the detection end of the controller is respectively connected with the second end of the computing module and the second end of the NTC of the motor, the receiving end of the controller is connected with an upper computer, the output end of the controller is connected with the motor, and the first end of the computing module is connected with a power supply;
the calculation module is used for calculating the current temperature of the NTC of the motor;
the controller is used for receiving the proportion of the motor parameters changing along with the temperature, adjusting the motor parameters corresponding to the current temperature based on the proportion, and outputting the adjusted parameter information through the output end, so that the motor operates based on the adjusted parameters.
Optionally, the calculation module is a resistor R3 and a capacitor C7;
the first end of the resistor R3 is connected with a power supply, the second end of the resistor R3 is respectively connected with the detection end of the controller and the first end of the capacitor C7, and the second end of the capacitor C7 is grounded.
Optionally, the capacitor C7 is a filter capacitor.
Optionally, the controller is STM32F301C8T6 in model number, and 48 pins are provided on the controller.
Optionally, the detection end of the controller is a pin No. 10 of the controller;
the controller is connected with the computing module and the motor NTC through the No. 10 pin respectively.
Optionally, the receiving end of the controller includes pin No. 4, pin No. 34, and pin No. 37 of the controller;
no. 4 pin, no. 34 pin and No. 37 pin of the controller are respectively connected with the upper computer.
Optionally, the output end of the controller is pin number 26, pin number 27, pin number 28, pin number 29, pin number 30, and pin number 31 of the controller;
the controller is respectively connected with the motor through the No. 26 pin, the No. 27 pin, the No. 28 pin, the No. 29 pin, the No. 30 pin and the No. 31 pin.
Optionally, the parameter information output by the output end of the controller is a rectangular wave signal.
In order to solve the above technical problem, the utility model discloses another technical scheme that embodiment adopted is: providing a motor parameter calibration system, the motor parameter calibration system comprising:
a motor; and
the motor parameter calibration device as described above, wherein the motor parameter calibration device is connected to the motor.
Be different from the condition of correlation technique, the utility model provides a motor parameter calibration device and system, motor parameter calibration device mainly includes controller, motor NTC and calculation module, wherein, the controller includes sense terminal, receiving terminal and output. The detection end of the controller is respectively connected with the second end of the calculation module and the second end of the NTC of the motor, the receiving end of the controller is connected with an upper computer, the output end of the controller is connected with the motor, and the first end of the calculation module is connected with a power supply. The calculation module is used for calculating the current temperature of the NTC of the motor; the controller is used for receiving the proportion of the motor parameters changing along with the temperature, adjusting the motor parameters corresponding to the current temperature based on the proportion, and then outputting the adjusted parameter information through the output end, so that the motor operates based on the adjusted parameters. Therefore, the parameters of the motor can be adjusted in real time according to the temperature of the motor, and the stability of the motor is improved.
[ description of the drawings ]
One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.
Fig. 1 is a block diagram of a motor parameter calibration system according to an embodiment of the present invention;
fig. 2 is a block diagram of a motor parameter calibration apparatus provided in an embodiment of the present invention;
fig. 3 is a circuit diagram of a motor parameter calibration apparatus provided by an embodiment of the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that, if there is no conflict, the features in the embodiments of the present invention may be combined with each other, and all are within the scope of the present invention. In addition, although the division of the functional blocks is made in the device diagram, in some cases, it may be divided in blocks different from those in the device diagram.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, fig. 1 is a block diagram of a motor parameter calibration system according to an embodiment of the present invention, and as shown in fig. 1, the motor parameter calibration system 100 includes an upper computer 10, a motor 20, and a motor parameter calibration device 30. The motor parameter calibration device 30 is respectively connected with the motor 20 and the upper computer 10. The upper computer 10 is used for acquiring the proportion of the motor changing along with the temperature at different temperatures, inputting the proportion into the motor parameter calibration device 30, the motor parameter calibration device 30 acquires the current temperature of the motor 20 in real time, adjusts the parameters corresponding to the current temperature based on the proportion, and then controls the motor 20 to operate based on the adjusted parameter information, so that the problem that the parameters of the motor 20 have errors due to the temperature is avoided, and the stability of the motor 20 is improved.
Referring to fig. 2, fig. 2 is a block diagram of a motor parameter calibration apparatus according to an embodiment of the present invention, and as shown in fig. 2, the motor parameter calibration apparatus 30 includes a controller U1, a motor NTC, and a calculation module 31. The controller U1 comprises a detection end, a receiving end and an output end.
The detection end of the controller U1 is connected to the second end of the calculation module 31 and the second end of the motor NTC, the receiving end of the controller U1 is connected to the upper computer 10, the output end of the controller U1 is connected to the motor 20, and the first end of the calculation module 31 is connected to the power supply. Preferably, the power supply is 3.3V.
The motor NTC refers to a negative temperature coefficient of the motor 20, and the negative temperature coefficient refers to a thermistor in which resistance decreases exponentially as temperature rises. Further, the thermistor of the motor 20 may be a power type thermistor.
As shown in fig. 3, the model of the controller U1 is STM32F301C8T6, the controller U1 includes 48 pins, and the calculation module 31 includes a resistor R3 and a capacitor C7. The No. 10 pin of the controller U1 is a detection end of the controller, the No. 4 pin, the No. 34 pin and the No. 37 pin of the controller U1 are receiving ends of the controller U1, and the No. 26 pin, the No. 27 pin, the No. 28 pin, the No. 29 pin, the No. 30 pin and the No. 31 pin of the controller U1 are output ends of the controller U1. It should be noted that, the model of the controller U1 includes, but is not limited to, STM32F301C8T6, and during the calibration of the motor parameter, the controller U1 may be any controller having a motor control function.
The No. 10 pin of the controller U1 is respectively connected with the second end of the computing module 31 and the second end of the motor NTC, the first end of the computing module 31 is connected with a power supply, the third end of the computing module 31 is connected with a grounding end, and the first end of the motor NTC is connected with the grounding end. No. 4 pin, no. 34 pin and No. 37 pin of the controller U1 are respectively connected with the upper computer 10. Pins 26, 27, 28, 29, 30 and 31 of the controller are connected with the motor 20.
The first end of the resistor R3 is connected with a power supply, the second end of the resistor R3 is respectively connected with the No. 10 pin of the controller U1 and the first end of the capacitor C7, and the second end of the capacitor C7 is connected with a grounding end. The capacitor C7 is a filter capacitor.
Specifically, when the motor 20 works, the parameters of the motor 20 at a non-stop temperature are detected in real time, then the proportion of parameter changes of the motor 20 at different temperatures is calculated by the upper computer 10, and then the proportion is input to the pin 4, the pin 34 and the pin 37 of the controller U1. Then, the resistance value of the motor 20 is obtained through the motor NTC, and voltage division is performed through the resistor R3, so as to obtain the voltage of the motor 20, and then the controller U1 calculates the current temperature of the motor 20 based on the voltage. The controller U1 calibrates the parameter of the motor 20 based on the current temperature and the ratio, limits the calibrated parameter, and finally outputs the limited motor parameter through the 26 # pin, the 27 # pin, the 28 # pin, the 29 # pin, the 30 # pin, and the 31 # pin. The signals output by the 26 # pin, the 27 # pin, the 28 # pin, the 29 # pin, the 30 # pin and the 31 # pin are rectangular wave signals.
The utility model provides a motor parameter calibration device, motor parameter calibration device mainly includes controller, motor NTC and calculation module, wherein, the controller includes sense terminal, receiving terminal and output. The detection end of the controller is respectively connected with the second end of the calculation module and the second end of the NTC of the motor, the receiving end of the controller is connected with an upper computer, the output end of the controller is connected with the motor, and the first end of the calculation module is connected with a power supply. The calculation module is used for calculating the current temperature of the NTC of the motor; the controller is used for receiving the proportion of the motor parameters changing along with the temperature, adjusting the motor parameters corresponding to the current temperature based on the proportion, and then outputting the adjusted parameter information through the output end, so that the motor operates based on the adjusted parameters. Therefore, the parameters of the motor can be adjusted in real time according to the temperature of the motor, and the stability of the motor is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (5)
1. The motor parameter calibration device is characterized by comprising a controller, a motor NTC and a calculation module, wherein the controller comprises a detection end, a receiving end and an output end;
the detection end of the controller is respectively connected with the second end of the computing module and the second end of the NTC of the motor, the receiving end of the controller is connected with an upper computer, the output end of the controller is connected with the motor, and the first end of the computing module is connected with a power supply;
the controller is of the type STM32F301C8T6, and 48 pins are arranged on the controller;
the detection end of the controller is a No. 10 pin of the controller, and the controller is respectively connected with the calculation module and the motor NTC through the No. 10 pin;
the receiving end of the controller comprises a No. 4 pin, a No. 34 pin and a No. 37 pin of the controller, and the No. 4 pin, the No. 34 pin and the No. 37 pin of the controller are respectively connected with the upper computer;
the output end of the controller is a No. 26 pin, a No. 27 pin, a No. 28 pin, a No. 29 pin, a No. 30 pin and a No. 31 pin of the controller, and the controller is respectively connected with the motor through the No. 26 pin, the No. 27 pin, the No. 28 pin, the No. 29 pin, the No. 30 pin and the No. 31 pin;
the calculation module is used for calculating the current temperature of the NTC of the motor;
the controller is used for receiving the proportion of the motor parameters changing along with the temperature, adjusting the motor parameters corresponding to the current temperature based on the proportion, and outputting the adjusted parameter information through the output end, so that the motor operates based on the adjusted parameters.
2. The motor parameter calibration device of claim 1, wherein the calculation modules are a resistor R3 and a capacitor C7;
the first end of the resistor R3 is connected with a power supply, the second end of the resistor R3 is respectively connected with the detection end of the controller and the first end of the capacitor C7, and the second end of the capacitor C7 is grounded.
3. The motor parameter calibration device of claim 2, wherein the capacitor C7 is a filter capacitor.
4. The motor parameter calibration device of claim 1, wherein the parameter information output by the output end of the controller is a rectangular wave signal.
5. A motor parameter calibration system, comprising:
a motor;
an upper computer; and
the motor parameter calibration device of any one of claims 1-4, wherein the motor parameter calibration device is connected to the motor and the upper computer, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221887912.1U CN218675224U (en) | 2022-07-21 | 2022-07-21 | Motor parameter calibration device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221887912.1U CN218675224U (en) | 2022-07-21 | 2022-07-21 | Motor parameter calibration device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218675224U true CN218675224U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221887912.1U Active CN218675224U (en) | 2022-07-21 | 2022-07-21 | Motor parameter calibration device and system |
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| Country | Link |
|---|---|
| CN (1) | CN218675224U (en) |
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2022
- 2022-07-21 CN CN202221887912.1U patent/CN218675224U/en active Active
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