CN218213331U - Motor detection device - Google Patents
Motor detection device Download PDFInfo
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- CN218213331U CN218213331U CN202221874648.8U CN202221874648U CN218213331U CN 218213331 U CN218213331 U CN 218213331U CN 202221874648 U CN202221874648 U CN 202221874648U CN 218213331 U CN218213331 U CN 218213331U
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Abstract
The embodiment of the utility model relates to the technical field of motors, and discloses a motor detection device which comprises a counter electromotive force detection module used for capturing the counter electromotive force of a motor; the driving circuit is connected with a three-phase driving wire of the motor and is used for driving the motor; the first controller controls the driving circuit to drive the motor; the second controller is respectively connected with the first controller, the driving circuit and the counter electromotive force detection module and connected with the Hall wire, and is used for sending an accelerator signal to the first controller, controlling the driving circuit according to the accelerator signal by the first controller, acquiring driving data of the driving circuit when the driving circuit drives the motor, and calculating parameters of the motor according to the driving data, the counter electromotive force and induction data acquired from the Hall wire; display module is connected with the second controller for show motor parameter, through the aforesaid mode, the embodiment of the utility model provides a can be fast and convenient parameter that obtains the motor that awaits measuring.
Description
Technical Field
The embodiment of the utility model provides a relate to motor technical field, especially relate to a motor detection device.
Background
In the daily life of the people such as the electric, automobile and machinery, various motors are more or less not separated, however, the performance of the motors manufactured by different companies is very different, and in the integrated motors, for example: integrating the motor into the unmanned aerial vehicle or integrating the motor into the electric scooter, it is necessary to detect the KV value of the motor, and determine the performance of the motor according to the result of the detection.
The embodiment of the utility model provides an in the implementation, the inventor discovers: at present, integrated equipment for detecting a motor is lacked, all detection instruments are used for detecting the motor, and then the KV value of the motor is obtained in a mode of personnel calculation according to the detection result of each detection instrument.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a main technical problem who solves provides a motor detection device, through the parameter that realizes detecting the motor, for example: KV value is not needed to be manually operated by a plurality of devices, and errors caused by manual operation are reduced.
In order to solve the above technical problem, an embodiment of the present invention adopts a technical solution that: the motor detection device comprises a back electromotive force detection module, a motor detection module and a control module, wherein the back electromotive force detection module is used for capturing the back electromotive force of the motor; the driving circuit is used for being connected with a three-phase driving wire of the motor and is used for driving the motor; the first controller is connected with the driving circuit and controls the driving circuit to drive the motor; the second controller is respectively connected with the first controller, the driving circuit and the back electromotive force detection module, and is further used for being connected with a Hall wire of the motor, sending an accelerator signal to the first controller so that the first controller controls the driving circuit according to the accelerator signal, acquiring driving data of the driving circuit when the driving circuit drives the motor, and calculating parameters of the motor according to the driving data, the back electromotive force and induction data acquired from the Hall wire of the motor; and the display module is connected with the second controller and is used for displaying the motor parameters calculated by the second controller.
Optionally, the motor detection device further includes a housing, a first interface, and a second interface; the shell is provided with an accommodating cavity, a first through hole and a second through hole, the first through hole and the second through hole are both communicated with the accommodating cavity, the first interface is arranged on the first through hole, and the second interface is arranged on the second through hole; the back electromotive force detection module, the drive circuit, the first controller and the second controller are all arranged in the containing cavity, the display module is arranged on the shell, the drive circuit is connected with the first interface, the first interface is used for being connected with a three-phase drive wire of the motor, the second interface is used for being connected with a Hall wire of the motor, and the second controller is connected with the second interface.
Optionally, the housing is further provided with a third through hole, and the third through hole is communicated with the accommodating cavity; the motor detection device further comprises an accelerator, a rotating rod is arranged on the accelerator, the accelerator is connected with the second controller, and the accelerator extends out of the third through hole.
Optionally, the outer surface of the housing is recessed towards the accommodating cavity to form an arc-shaped groove, and the third through hole is located at the bottom of the arc-shaped groove.
Optionally, a first annular boss extends from the housing towards the arc-shaped groove, and the first annular boss surrounds the third through hole; motor detection device still includes rotatory cap, rotatory cap with the rotary rod of throttle can be dismantled fixedly, rotatory cap has second annular boss towards the one end extension of accepting the chamber, second annular boss encircles first annular boss.
Optionally, the display module and the throttle are located on the same side of the housing.
Optionally, the portable electronic device further comprises a wireless communication module arranged in the accommodating cavity, and the wireless communication module is connected with the first controller and the second controller and used for realizing network connection with an external device.
Optionally, the housing is further provided with a fourth through hole, and the fourth through hole is communicated with the accommodating cavity; the motor detection device further comprises an Ethernet interface connected with the second controller, the Ethernet interface is arranged in the fourth through hole, and the Ethernet interface is used for being connected with an external network cable.
Optionally, the motor detection device further comprises a circuit board, a support column and a bolt; the first interface, the second interface, the back electromotive force detection module, the driving circuit, the first controller and the second controller are all arranged on the circuit board, and the circuit board is provided with a fixing hole; one end of the supporting column is fixed on the inner surface of the shell, a screw hole is formed in the other end of the supporting column, and the bolt penetrates through the fixing hole and then is connected with the screw hole in a threaded mode.
Optionally, the casing still includes casing, lower casing and connecting piece, go up casing and casing lid down and close, go up casing and casing down and enclose jointly accept the chamber, the connecting piece will go up casing and lower casing coupling are fixed.
An embodiment of the utility model provides a motor detection device, including back electromotive force detection module, drive circuit, first controller, second controller and display module, back electromotive force detection module is used for catching the back electromotive force of motor, drive circuit be used for with the three-phase drive line of motor is connected, drive circuit is used for driving motor, first controller with drive circuit connects, first controller control drive circuit drives the motor, the second controller respectively with first controller, drive circuit and back electromotive force detection module are connected, the second controller still is used for being connected with the hall line of motor, the second controller is used for sending throttle signal to first controller, so that first controller basis throttle signal control drive circuit, the second controller still is used for acquireing drive circuit's drive data when driving motor, and, according to drive data, back electromotive force and follow the inductive data that the hall line of motor acquireed calculate the parameter of motor, for example: the display module is used for displaying the motor parameters obtained by calculation of the second controller, detection of the motor parameters is achieved, manual operation of multiple devices is not needed, and errors caused by manual operation are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a perspective view of a motor detection device according to an embodiment of the present invention;
fig. 2 is a block diagram of a motor detection device according to an embodiment of the present invention connected to a motor;
fig. 3 is an exploded view of a motor detection device according to an embodiment of the present invention;
fig. 4 is an exploded view of another view angle of the motor detection device according to the embodiment of the present invention.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like as used herein are used in the description to indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, the motor detection apparatus 100 includes: the back electromotive force detection module 10, the driving circuit 20, the first controller 30, the second controller 40, the display module 50 and the wireless communication module 60. The first controller 30 is connected with the driving circuit 20 and the wireless communication module 60, and the second controller 40 is connected with the first controller 30, the driving circuit 20, the back electromotive force detection module 10, the display module 50 and the wireless communication module 60 respectively. The driving circuit 20 is used for being connected with a three-phase driving line of the motor.
The second controller 40 is configured to send a throttle signal to the first controller 30, the first controller 30 controls the driving circuit 20 according to the throttle signal, the driving circuit 20 is configured to drive a motor, when the motor is driven, the back electromotive force detection module 10 captures a back electromotive force of the motor, the second controller 40 obtains driving data of the driving circuit 20 when the motor is driven, and calculates a parameter of the motor according to the driving data, the back electromotive force, and induction data obtained from a hall line of the motor, for example: the KV value, wherein the KV value is the current rotation speed divided by the current voltage, that is: the driving data includes a current voltage, the sensing data includes a current rotation speed of the motor, and of course, since the back electromotive force detection module 10 acquires the back electromotive force of the motor, besides the KV value, the parameters of the motor may further include a test voltage, a working current, an advance angle mean value, a three-phase advance angle value, a rotor excitation symmetry, a sensor tolerance, and the like, then the sensing data refers to collecting a phase-change signal and a hall signal through a hall line, and integrating and calculating a corresponding motor rotation speed value, advance angle value, sensor advance angle tolerance, rotor magnetic pole symmetry, and hall signal tolerance. The display module 50 is configured to display the parameters of the motor calculated by the second controller 40, so that a user can directly read the parameters of the motor conveniently. The wireless communication module 60 is used for implementing network connection with an external device, so that the motor detection apparatus 100 can send parameters of the motor to the external device, or receive commands of the external device, and then perform detection according to the commands of the external device.
In some embodiments, the first controller 30 and the second controller 40 are MCU chips, the back electromotive force module is a timer disposed on the second controller 40, and the display module 5030 is an LCD display.
Referring to fig. 3 and 4, the motor detection apparatus 100 further includes a housing 70, a first interface 80, a second interface 90, an ethernet interface 110, a throttle 160, a rotating cap 150, a circuit board 120, a support column 130, and a bolt 140.
As for the housing 70, the housing 70 is provided with a housing cavity 701, the first through hole 702, the second through hole 703, the third through hole 704, and the fourth through hole 705. The outer surface of the housing 70 is recessed towards the accommodating cavity 701 to form an arc-shaped groove 7011, and a first annular boss 706 extends towards the arc-shaped groove 7011 from the housing 70. The back electromotive force detection module 10, the driving circuit 20, the first controller 30, the second controller 40 and the wireless communication module 60 are all disposed in the accommodating cavity 701. The first through hole 702, the second through hole 703, the third through hole 704 and the fourth through hole 705 are all communicated with the accommodating cavity 701, the third through hole 704 is located at the bottom of the arc-shaped groove 7011, the first annular boss 706 surrounds the third through hole 704, the first interface 80 is disposed in the first through hole 702, the second interface 90 is disposed in the second through hole 703, the driving circuit 20 is connected with the first interface 80, the first interface 80 is used for being connected with a three-phase driving line of a motor, the second interface 90 is used for being connected with a hall line of the motor, the second controller 40 is connected with the second interface 90, the ethernet interface 110 is disposed in the fourth through hole 705, the ethernet interface 110 is connected with the second controller 40, and the ethernet interface 110 is used for being connected with an external network cable.
In some embodiments, the housing 70 includes an upper housing 707, a lower housing 708, and a connecting element 709, where the upper housing 707 and the lower housing 708 together form a receiving cavity 701, and the connecting element 709 connects and fixes the upper housing 707 and the lower housing 708.
With respect to the throttle 160, please continue to refer to fig. 3, the throttle 160 is connected to the second controller 40, and the throttle 160 extends from the third through hole 704, and the display module 50 and the throttle 160 are located on the same side of the housing 70. The second controller 40 detects the rotation of the throttle 160, and the second controller 40 generates different throttle signals according to the rotation of the throttle 160.
Specifically, the throttle 160 is further provided with a rotating rod 1601, the motor detection device further comprises a rotating cap 150, the rotating cap 150 and the rotating rod 1601 of the throttle 160 are detachably fixed, one end of the rotating cap 150 facing the accommodating cavity 701 extends to form a second annular boss 1501, the second annular boss 1501 surrounds the first annular boss 706, and the first annular boss 706 and the second annular boss 1501 play roles of butting and limiting.
It is worth mentioning that: the first interface 80, the second interface 90, the back electromotive force detection module 10, the driving circuit 20, the first controller 30, and the second controller 40 are disposed on the circuit board 120. The circuit board 120 is provided with a fixing hole 1201, one end of the supporting column 130 is fixed to the inner surface of the casing 70, the other end of the supporting column 130 is provided with a screw hole, and the bolt 140 is screwed into the screw hole after penetrating through the fixing hole 1201, so that the circuit board 120 is fixed in the casing 70, and thus the fixing effects of the first interface 80, the second interface 90, the back electromotive force detection module 10, the driving circuit 20, the first controller 30 and the second controller 40 are achieved.
For the convenience of the reader, the detection process is described below.
The driving motor is driven in two modes, namely automatic accelerator driving and manual accelerator driving, wherein the automatic accelerator driving is realized by directly adjusting an accelerator according to a preset program through a second controller, and the manual accelerator driving is realized by controlling the accelerator by a user to drive the motor.
After the motor detection device 100 is powered on, when the motor detection device is driven by an automatic throttle, the second controller 40 sends a throttle signal to the first controller 30 according to a preset program, when the motor detection device is driven by a manual throttle, the first controller 30 sends the throttle signal to the first controller 30 according to the throttle, the first controller 30 drives the motor according to the size of the throttle signal after receiving the throttle signal, the second controller collects sensing data through a hall line, and corresponding motor rotating speed value, angle advance value, sensor angle advance tolerance, rotor magnetic pole symmetry and hall signal tolerance are integrated and calculated. The method comprises the steps that driving signals such as voltage and current are obtained through a driving circuit, the counter electromotive force of the motor is captured through a counter electromotive force detection module, parameters of the motor are calculated according to induction data, driving data and the counter electromotive force, and the parameters of the motor are displayed on a display screen after the parameters of the motor are calculated.
It is worth mentioning that: in the driving process, the first controller 30 monitors the running state of the motor in real time, and immediately stops driving the motor if an abnormal phenomenon (such as phase failure and current protection of the motor) occurs, and sends an error signal to the second controller 40, and the second controller 40 displays the error signal on the display module 50 after receiving the error signal.
In the embodiment of the present invention, the motor detection apparatus 100 includes a back electromotive force detection module 10, a driving circuit 20, a first controller 30, a second controller 40 and a display module 50, the back electromotive force detection module 10 is used for capturing the back electromotive force of the motor, the driving circuit 20 is used for connecting with the three-phase driving line of the motor, the driving circuit 20 is used for driving the motor, the first controller 30 and the driving circuit 20 are connected, the first controller 30 controls the driving circuit 20 to drive the motor, the second controller 40 is respectively connected with the first controller 30, the driving circuit 20 and the back electromotive force detection module 10, the second controller 40 is further used for connecting with a plurality of hall lines of the motor, the second controller 40 is used for sending an accelerator 160 signal to the first controller 30, so that the first controller 30 controls the driving circuit 20 according to the accelerator 160 signal, the second controller 40 is further used for obtaining the driving data of the driving circuit 20 when driving the motor, and obtaining the driving data of the back electromotive force according to the hall line, the second controller 40 is used for obtaining the driving data when the back electromotive force detection parameter, and the back electromotive force detection parameter of the motor is obtained by the manual detection module, the detection module 10 can be used for detecting the detection parameters of the back electromotive force detection parameters and the detection parameters of the detection module, and the detection module 50 can be detected parameters quickly and the detection module can be used for detecting the detection parameters of the manual detection module.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (10)
1. A motor detection device, comprising:
the back electromotive force detection module is used for capturing the back electromotive force of the motor;
the driving circuit is used for being connected with a three-phase driving wire of the motor and is used for driving the motor;
the first controller is connected with the driving circuit and controls the driving circuit to drive the motor;
the second controller is respectively connected with the first controller, the driving circuit and the counter electromotive force detection module, and is further used for being connected with a Hall wire of the motor, sending an accelerator signal to the first controller so that the first controller controls the driving circuit according to the accelerator signal, acquiring driving data of the driving circuit when the motor is driven, and calculating parameters of the motor according to the driving data, the counter electromotive force and induction data acquired from the Hall wire of the motor;
and the display module is connected with the second controller and is used for displaying the motor parameters calculated by the second controller.
2. The motor detection device of claim 1, further comprising a housing, a first interface, and a second interface;
the shell is provided with an accommodating cavity, a first through hole and a second through hole, the first through hole and the second through hole are both communicated with the accommodating cavity, the first interface is arranged on the first through hole, and the second interface is arranged on the second through hole;
the back electromotive force detection module, the drive circuit, the first controller and the second controller are all arranged in the containing cavity, the display module is arranged on the shell, the drive circuit is connected with the first interface, the first interface is used for being connected with a three-phase drive wire of the motor, the second interface is used for being connected with a Hall wire of the motor, and the second controller is connected with the second interface.
3. The motor detecting device according to claim 2,
the shell is also provided with a third through hole which is communicated with the accommodating cavity;
the motor detection device further comprises an accelerator, a rotating rod is further arranged on the accelerator, the accelerator is connected with the second controller, and the accelerator extends out of the third through hole.
4. The motor detecting device according to claim 3,
the outer surface of the shell is sunken towards the accommodating cavity to form an arc-shaped groove, and the third through hole is formed in the groove bottom of the arc-shaped groove.
5. The motor detecting device according to claim 4,
a first annular boss extends towards the arc-shaped groove from the shell, and the first annular boss surrounds the third through hole;
motor detection device still includes rotatory cap, rotatory cap with the rotary rod of throttle can be dismantled fixedly, rotatory cap has second annular boss towards the one end extension of accepting the chamber, second annular boss encircles first annular boss.
6. The motor detection apparatus of claim 2, wherein the display module and the throttle are located on the same side of the housing.
7. The motor detecting device according to claim 2,
the wireless communication module is arranged in the accommodating cavity, is connected with the first controller and the second controller and is used for realizing network connection with external equipment.
8. The motor detecting device according to claim 2,
the shell is also provided with a fourth through hole which is communicated with the accommodating cavity;
the motor detection device further comprises an Ethernet interface connected with the second controller, the Ethernet interface is arranged in the fourth through hole, and the Ethernet interface is used for being connected with an external network cable.
9. The motor detection device of claim 2, further comprising a circuit board, a support post, and a bolt;
the first interface, the second interface, the back electromotive force detection module, the driving circuit, the first controller and the second controller are all arranged on the circuit board, and the circuit board is provided with a fixing hole;
one end of the supporting column is fixed on the inner surface of the shell, a screw hole is formed in the other end of the supporting column, and the bolt penetrates through the fixing hole and then is in threaded connection with the screw hole.
10. The motor detecting device according to claim 2,
the casing still includes casing, lower casing and connecting piece, go up casing and casing lid down and close, go up casing and casing down and enclose jointly accept the chamber, the connecting piece will go up casing and lower casing coupling are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221874648.8U CN218213331U (en) | 2022-07-11 | 2022-07-11 | Motor detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221874648.8U CN218213331U (en) | 2022-07-11 | 2022-07-11 | Motor detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218213331U true CN218213331U (en) | 2023-01-03 |
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ID=84649308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221874648.8U Active CN218213331U (en) | 2022-07-11 | 2022-07-11 | Motor detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218213331U (en) |
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2022
- 2022-07-11 CN CN202221874648.8U patent/CN218213331U/en active Active
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