CN115754718A - Performance testing device of brushless direct current motor with ECU (electronic control Unit) control - Google Patents
Performance testing device of brushless direct current motor with ECU (electronic control Unit) control Download PDFInfo
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- CN115754718A CN115754718A CN202211550517.9A CN202211550517A CN115754718A CN 115754718 A CN115754718 A CN 115754718A CN 202211550517 A CN202211550517 A CN 202211550517A CN 115754718 A CN115754718 A CN 115754718A
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Abstract
The invention discloses a performance testing device with an ECU (electronic control Unit) for controlling a brushless direct current motor, which comprises a fixed platform, a motor transverse pushing mechanism and a torque testing mechanism, wherein the motor transverse pushing mechanism and the torque testing mechanism are fixedly arranged on the fixed platform; the torque testing mechanism comprises an output shaft edge entering mechanism, a torque sensor, a brake and an auxiliary driving motor, wherein an output shaft of a motor to be tested and a butt joint component of the torque testing mechanism are flexibly designed, the edge entering of the output shaft can be rapidly realized, the auxiliary driving motor is adopted in the device to realize the rapid starting of the motor to be tested, the function test, the efficiency test and the NVH test of the brushless motor with the ECU control are met, the problems of low automation and low efficiency of the existing motor performance test are solved, and the torque testing mechanism has the characteristics of high automation and high testing efficiency.
Description
Technical Field
The invention relates to the technical field of motor performance testing, in particular to a performance testing device of a brushless direct current motor with ECU control.
Background
With the improvement of living standards of people, the pursuit of high performance, high reliability, high comfort and safety of automobiles is higher and higher, and the application of the brushless direct current motor in the aspects has multiple advantages, the brushless direct current motor has the advantages of stepless speed regulation, wide speed regulation range, strong overload capacity, long service life, small volume, light weight and the like, the brushless direct current motor is widely applied to the fields of industrial equipment, instruments and meters, household appliances, robots, medical equipment and the like, and the performance test of each outgoing brushless direct current motor is vital to ensure the production quality of the brushless direct current motor. Brushless DC motor's production is in order to realize the automatic equipment of production line, nevertheless still need put into corresponding testing arrangement through the manual work with every motor in proper order to final test link of dispatching from the factory, carry out the capability test back, take out the motor again, test equipment is more on the one hand, area is great, its performance test efficiency of on the other hand is lower, and need a large amount of manual work to participate in, its cost of labor is great, and be subject to the manual work characteristics, its test rate is slower, consequently, need to design the device of the multiple performance test of integrated motor urgently, can automize and carry out the capability test process, in order to improve motor production efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of providing a performance testing device with an ECU (electronic control unit) for controlling a brushless direct current motor, which solves the problems of low automation and low efficiency of the existing motor performance test, thereby overcoming the defects of the prior art.
In order to solve the technical problems, the invention provides a performance testing device with an ECU (electronic control Unit) for controlling a brushless direct current motor, which comprises a fixed platform, a motor transverse pushing mechanism and a torque testing mechanism, wherein the motor transverse pushing mechanism and the torque testing mechanism are fixedly arranged on the fixed platform,
the motor transverse pushing mechanism comprises a driving connecting rod assembly, an ECU plug assembly and a motor fixing mechanism, and the motor fixing mechanism is used for providing a test position for a motor to be tested so as to facilitate the loading and unloading of the motor to be tested; the ECU plug assembly is used for providing line connection for a motor to be tested; the driving connecting rod assembly is used for driving the ECU plug assembly and the motor fixing mechanism to perform displacement action; the ECU plug assembly and the motor fixing mechanism are sequentially arranged above the fixing platform and are respectively in linear sliding connection with the fixing platform; the driving connecting rod assembly is arranged below the fixed platform and drives the ECU plug assembly and the motor fixing mechanism to linearly displace through the driving connecting rod assembly;
the torque testing mechanism comprises an output shaft cutting mechanism, a torque sensor, a brake and an auxiliary driving motor, wherein the output shaft cutting mechanism is used for positioning and connecting an output shaft of the motor to be tested; the torque sensor is used for carrying out torque test on the motor to be tested; the auxiliary driving motor is used for realizing the quick start of the motor to be tested; the brake controls the auxiliary driving motor to output torque and rapidly brakes the motor to be tested; the output shaft edge entering mechanism, the torque sensor and the brake are sequentially arranged on the fixed platform, the auxiliary driving motor is connected to the brake, the driving force of the auxiliary driving motor is transmitted to the torque sensor through the brake and a first driving shaft connected with the brake in sequence, the torque sensor transmits the driving force to the output shaft edge entering mechanism through a second transmission shaft, and the driving force is transmitted to the motor to be tested through the output shaft edge entering mechanism to form a load.
As an improvement of the present invention, the driving link assembly includes a driving link, a transmission link and at least one group of driving cylinders, wherein the driving link includes a first link portion, a second link portion and a third link portion, wherein the first link portion and the second link portion are arranged at an obtuse included angle, one end of the first link portion is fixedly connected with one end of the second link portion, and the other end of the first link portion is hinged to the fixed platform; the third connecting rod part and the second connecting rod part are arranged in a right-angle included angle mode, the other end of the second connecting rod part is fixedly connected with one end of the third connecting rod part, and the other end of the third connecting rod part is hinged with one end of the transmission connecting rod; the other end of the transmission connecting rod is hinged with the ECU plug assembly; the end part of a telescopic rod of the driving air cylinder is hinged to the connecting position of the first connecting rod part and the second connecting rod part, and the tail part of a cylinder body of the driving air cylinder is hinged to the lower surface of the fixed platform.
As a further improvement of the invention, two groups of driving cylinders are arranged, the two groups of driving cylinders are oppositely arranged at two sides of the driving connecting rod, and the end part of the telescopic rod of each group of driving cylinders is hinged at one side of the connecting position of the first connecting rod part and the second connecting rod part.
As an improvement of the invention, at least one group of linear guide rails is arranged on the fixed platform, sliding grooves matched with the linear guide rails are correspondingly arranged at the bottoms of the ECU plug assembly and the motor fixing mechanism, and the ECU plug assembly and the motor fixing mechanism are connected to the linear guide rails in a sliding manner.
As a further improvement of the invention, a linear guide rod is arranged between the ECU plug assembly and the motor fixing mechanism, the bottom of the motor fixing mechanism is fixedly connected with one end of the linear guide rod, the other end of the linear guide rod penetrates through the bottom of the ECU plug assembly, the tail end of the linear guide rod is provided with a limiting part, the ECU plug assembly slides and displaces relative to the linear guide rod, and the bottom of the ECU plug assembly is hinged with the end part of the transmission connecting rod.
As an improvement of the invention, the fixing platform is also provided with an NVH testing mechanism, the NVH testing mechanism is arranged on the side of the motor fixing mechanism, and when the motor to be tested moves to the output shaft cutting-in mechanism in place, the NVH testing mechanism is over against the side surface of the motor to be tested, and the NVH testing mechanism is used for testing the roughness of noise, vibration and sound vibration of the motor to be tested.
As an improvement of the invention, the NVH testing mechanism comprises an NVH testing sensor and a traverse motor, a cylinder body of the traverse motor is fixedly connected to a fixed platform, and the end part of a telescopic shaft of the traverse motor is connected with the NVH testing sensor; when the motor to be tested moves in place towards the output shaft edge entering mechanism, the telescopic shaft of the transverse moving motor extends out and drives the NVH test sensor to contact the surface of the motor to be tested, so that information collection of the NVH test sensor is achieved.
As a further improvement of the invention, a supporting rack is arranged below the fixed platform, the supporting rack is of a metal frame structure, and four corners of the bottom of the supporting rack are respectively provided with a supporting foot.
As a further improvement of the invention, the output shaft sharpening mechanism comprises a positioning ring and an output shaft fixing seat, the output shaft fixing seat is installed on the fixing platform, a mounting hole is formed in the output shaft fixing seat and is biased to one side of the motor to be tested, the positioning ring is connected into the mounting hole in a clamping manner, a butt joint assembly used for butt joint of an output shaft of the motor to be tested is arranged in the middle of the output shaft fixing seat and used for transmitting the auxiliary driving motor to the output shaft of the motor to be tested, the motor to be tested is guided and positioned through the positioning ring and is fixed on the output shaft fixing seat, and the output shaft of the motor to be tested is connected with the butt joint assembly.
As a further improvement of the invention, a remodeling tool table is also arranged on the fixed table, the lower surface of the remodeling tool table is connected with a connecting rod which is vertically arranged, the upper end of the connecting rod is fixedly connected with the remodeling tool table, and the lower end of the connecting rod is fixedly connected with the fixed platform; the shape changing workbench is provided with a plurality of tool holding grooves, and the tool holding grooves are used for holding positioning rings of different models.
After adopting such design, the invention has at least the following advantages:
the performance testing device can realize the quick connection and disconnection of the motor to be tested through the driving connecting rod mechanism, realize the simple and efficient clamping process, realize the automation of the testing process and have high testing efficiency; in addition, the output shaft of the motor to be tested and the butt joint component of the torque testing mechanism are designed flexibly, the edge of the output shaft can be quickly inserted, the output shaft can be protected and connected, the mechanisms in the whole testing device are horizontally and axially and compactly arranged on the fixed platform, the whole testing device is integrally designed into a small-sized structure, the space is saved, the efficiency is improved, and the auxiliary driving motor is adopted in the testing device, so that the quick starting of the motor to be tested can meet the function test, the efficiency test and the NVH test of the brushless motor with the ECU control.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a performance testing device with an ECU for controlling a brushless dc motor according to an embodiment of the present invention.
Fig. 2 is a schematic view of the installation structure of the motor transverse pushing mechanism and the torque testing mechanism in the embodiment of the invention.
Fig. 3 is a side schematic view of an assembly structure of a motor transverse pushing mechanism and a torque testing mechanism in the embodiment of the invention.
FIG. 4 is a structural diagram of the motor lateral pushing mechanism for placing the motor to be tested in the embodiment of the present invention.
FIG. 5 is a structural diagram of the motor pushing mechanism pushing the motor to be tested to a proper position in the embodiment of the present invention.
Fig. 6 is a schematic structural view of an ECU plug assembly in the embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a motor fixing mechanism in the embodiment of the invention.
FIG. 8 is a schematic structural diagram of a torque testing mechanism in an embodiment of the present invention.
FIG. 9 is a schematic diagram of the internal structure of the torque testing mechanism in the embodiment of the present invention.
Fig. 10 is a schematic structural view of an output shaft fixing seat in the output shaft sharpening mechanism according to the embodiment of the invention.
FIG. 11 is a schematic structural diagram of an NVH testing mechanism according to an embodiment of the present invention.
Fig. 12 is a schematic structural diagram of a remodeling tool table according to the embodiment of the present invention.
The reference numerals in the drawings have the specific meaning:
1-a fixed platform; 2-a motor transverse pushing mechanism; 21-a motor fixing mechanism; 211-linear guide bar; 212-a limiting part; 22-ECU plug assembly; 221-a guide hole; 23-a linear guide rail; 24-a drive link assembly; 241-a first link portion; 242-a second link portion; 243-third link portion; 244-the location where the first link portion connects to the second link portion; 25-a drive link; 26-a driving cylinder; 3-a torque testing mechanism; 31-an output shaft cutting mechanism; 311-mounting holes; 312-a docking assembly; 313-a retaining ring; 32-a torque sensor; 33-a brake; 4-a model changing tooling table; 5-NVH testing mechanism; 51-NVH test sensor; 52-a traversing motor; 6-a support stand; 7-a leg; 8-the motor to be tested; 9-a manipulator.
Detailed Description
Examples of the embodiments described herein are illustrated in the accompanying drawings, where like reference numerals refer to the same or similar elements or elements with the same or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present embodiment specifically discloses a performance testing apparatus with an ECU controlling a brushless dc motor, which includes a fixing platform 1, a motor lateral pushing mechanism 2 and a torque testing mechanism 3, where the motor lateral pushing mechanism 2 and the torque testing mechanism 3 are both fixedly mounted on the fixing platform 1.
As shown in fig. 4-7, in the embodiment, the motor transverse pushing mechanism 2 includes a driving link assembly 24, an ECU plug assembly 22, and a motor fixing mechanism 21, where the motor fixing mechanism 21 is configured to provide a test position for the motor 8 to be tested, so as to facilitate the loading and unloading of the motor 8 to be tested; the ECU plug assembly 22 is used for providing a line connection for the motor 8 to be tested; the driving connecting rod assembly 24 is used for driving the ECU plug assembly 22 and the motor fixing mechanism 21 to perform displacement; specifically, the ECU plug assembly 22 and the motor fixing mechanism 21 are sequentially arranged above the fixing platform 1, and the ECU plug assembly 22 and the motor fixing mechanism 21 are respectively in linear sliding connection with the fixing platform 1; the driving connecting rod assembly 24 is installed below the fixed platform 1, and the ECU plug assembly 22 and the motor fixing mechanism 21 are driven to linearly displace through the driving connecting rod assembly 24.
As shown in fig. 4 and fig. 5, the driving link assembly 24 includes a driving link, a transmission link 25 and at least one set of driving cylinders 26, wherein the driving link includes a first link portion 241, a second link portion 242 and a third link portion 243, the first link portion 241 and the second link portion 242 are arranged at an obtuse angle, one end of the first link portion 241 is fixedly connected with one end of the second link portion 242, and the other end of the first link portion 241 is hinged to the fixed platform 1; the third connecting rod part 243 and the second connecting rod part 242 form a right-angle included angle, the other end of the second connecting rod part 242 is fixedly connected with one end of the third connecting rod part 243, and the other end of the third connecting rod part 243 is hinged with one end of the transmission connecting rod 25; the other end of the transmission connecting rod 25 is hinged with the ECU plug assembly 22; the end part of the telescopic rod of the driving cylinder 26 is hinged to the connecting position 244 of the first connecting rod part and the second connecting rod part, and the tail part of the cylinder body of the driving cylinder 26 is hinged to the lower surface of the fixed platform 1. In this embodiment, two sets of driving cylinders 26 are preferably arranged, the two sets of driving cylinders 26 are oppositely disposed on two sides of the driving connecting rod, the end of the telescopic rod of each set of driving cylinders 26 is hinged to one side of the connecting position of the first connecting rod portion 241 and the second connecting rod portion 242, and the driving connecting rod and the transmission connecting rod 25 can be driven to move by the telescopic action of the driving cylinders 26, so that the swinging action of the driving connecting rod and the transmission connecting rod 25 is converted into the linear sliding action of the ECU plug assembly 22 and the motor fixing mechanism 21.
Further, in this embodiment, the fixing platform 1 is provided with at least one set of linear guide rails 23, the bottoms of the ECU plug assembly 22 and the motor fixing mechanism 21 are correspondingly provided with sliding grooves matched with the linear guide rails 23, and the ECU plug assembly 22 and the motor fixing mechanism 21 are both connected to the linear guide rails 23 in a sliding manner. In addition, a linear guide rod 211 is arranged between the ECU plug assembly 22 and the motor fixing mechanism 21, the bottom of the motor fixing mechanism 21 is fixedly connected with one end of the linear guide rod 211, the other end of the linear guide rod 211 penetrates through a guide hole 221 in the bottom of the ECU plug assembly 22, a limiting portion 212 is arranged at the tail end of the linear guide rod 211, the ECU plug assembly 22 slides and moves relative to the linear guide rod 211, and the bottom of the ECU plug assembly 22 is hinged to the end portion of the transmission connecting rod 25.
When the motor test is carried out through the structure, firstly, the motor 8 to be tested can be placed on the motor fixing mechanism 21 through manpower or a manipulator 9, then the ECU plug assembly 22 is pushed to move linearly through the driving connecting rod assembly 24, the ECU plug assembly 22 is abutted to the motor 8 to be tested on the motor fixing mechanism 21, the ECU plug assembly 22 and the motor fixing mechanism 21 are pushed together to move linearly towards the torque testing mechanism 3 until the output shaft of the motor 8 to be tested is abutted to the torque testing mechanism 3, meanwhile, the ECU plug assembly 22 is inserted into the ECU terminal of the motor 8 to be tested, the ECU signal connection is realized, and at the moment, the motor 8 to be tested is clamped and fixed by the ECU plug assembly 22 and the torque testing mechanism 3; and after the test is finished, the drive connecting rod assembly 24 pulls the ECU plug assembly 22 to return to the original position, the ECU plug assembly 22 is disconnected with an ECU terminal of the motor 8 to be tested in the process, in the process that the ECU plug assembly 22 returns, once the ECU plug assembly 22 abuts against the limiting part 212 of the linear guide rod 211, the motor fixing mechanism 21 is simultaneously driven to return, so that the output shaft of the motor 8 to be tested is separated from the torque testing mechanism 3, finally, the motor fixing mechanism 21 returns to the original position, and the motor which is tested can be dismounted manually or by the manipulator 9 and replaced by another motor 8 to be tested. Through the process, the operation process of motor testing is greatly simplified, the testing difficulty is reduced, the labor cost can be greatly reduced or even eliminated, and the testing efficiency is improved.
As shown in fig. 8-10, in addition, the torque testing mechanism 3 in this embodiment includes an output shaft cutting mechanism 31, a torque sensor 32, a brake 33, and an auxiliary driving motor, where the output shaft cutting mechanism 31 is used for positioning and connecting an output shaft of the motor 8 to be tested; the torque sensor 32 is used for performing torque test on the motor 8 to be tested; the auxiliary driving motor is used for realizing the quick start of the motor to be tested 8; the brake 33 controls the auxiliary driving motor to output torque and rapidly brakes the motor 8 to be tested; the output shaft cutting mechanism 31, the torque sensor 32 and the brake 33 are sequentially arranged on the fixed platform 1, the auxiliary driving motor is connected to the brake 33, the driving force of the auxiliary driving motor is sequentially transmitted to the torque sensor 32 through the brake 33 and a first driving shaft connected with the brake 33, the torque sensor 32 transmits the driving force to the output shaft cutting mechanism 31 through a second transmission shaft, and the driving force is transmitted to the motor 8 to be tested through the output shaft cutting mechanism 31 to form a load.
As shown in fig. 9, in the embodiment, the output shaft sharpening mechanism 31 includes a positioning ring 313 and an output shaft fixing seat, the output shaft fixing seat is installed on the fixing platform 1, and a mounting hole 311 is disposed in one side of the output shaft fixing seat, which is biased to the motor 8 to be tested, the positioning ring 313 is connected to the mounting hole 311 in a clamping manner, and the clamping structure can enable the positioning ring 313 and the output shaft fixing seat to be detachable, so as to facilitate replacement of the positioning ring 313. Meanwhile, the middle part of the output shaft fixing seat is provided with a butt joint component 312 for butt joint of the output shaft of the motor 8 to be tested, the butt joint component 312 is used for transmitting the auxiliary driving motor to the output shaft of the motor 8 to be tested, the motor 8 to be tested is guided and positioned by a positioning ring 313 and is fixed on the output shaft fixing seat, and the output shaft of the motor 8 to be tested is connected with the butt joint component 312. The purpose of arranging the positioning ring 313 in this embodiment is to match the motor 8 to be tested, so that the motor 8 to be tested can be more easily installed in the output shaft fixing seat, and the output shaft of the motor 8 to be tested is connected with the transmission structure of the torque testing mechanism 3, thereby realizing load input.
Furthermore, in this embodiment, the fixed platform 1 is further provided with an NVH testing mechanism 5, as shown in fig. 11, the NVH testing mechanism 5 is installed on a side of the motor fixing mechanism 21, and when the to-be-tested motor 8 moves to the output shaft cutting edge entering mechanism 31 in place, the NVH testing mechanism 5 is over against a side surface of the to-be-tested motor 8, and the NVH testing mechanism 5 is used for testing noise, vibration and acoustic vibration roughness of the to-be-tested motor 8.
Specifically, the NVH testing mechanism 5 comprises an NVH testing sensor 51 and a traverse motor 52, a cylinder body of the traverse motor 52 is fixedly connected to the fixed platform 1, and an end part of a telescopic shaft of the traverse motor 52 is connected with the NVH testing sensor 51; when the motor 8 to be tested moves to the position towards the output shaft edge entering mechanism 31, the telescopic shaft of the traverse moving motor 52 extends out and drives the NVH test sensor 51 to contact the surface of the motor 8 to be tested, so that information acquisition of the NVH test sensor 51 is realized.
In addition, in order to ensure that the device in the embodiment keeps stable in structure during the test process, a support rack 6 is arranged below the fixed platform 1, the support rack 6 is of a metal frame structure, and support legs 7 are respectively arranged at four corners of the bottom of the support rack 6. The motor performance testing device is supported firmly through the support legs 7 and the support rack 6.
It should be further noted that, in order to expand the application range of the device and improve the universality of the device, a shape changing tooling table 4 is further arranged on the fixed table in the embodiment, as shown in fig. 12, a connecting rod which is vertically arranged is connected to the lower surface of the shape changing tooling table 4, the upper end of the connecting rod is fixedly connected with the shape changing tooling table 4, and the lower end of the connecting rod is fixedly connected with the fixed platform 1; the shape changing workbench is provided with a plurality of tool holding grooves, and the tool holding grooves are used for holding positioning rings 313 of different models. When the performance test is carried out on different motors 8 to be tested, different positioning rings 313 can be replaced according to the types of the motors, so that the motors are easily installed in the output shaft fixing seats, and the use reliability of the device is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.
Claims (10)
1. A performance testing device with an ECU (electronic control Unit) for controlling a brushless direct current motor is characterized by comprising a fixed platform, a motor transverse pushing mechanism and a torque testing mechanism, wherein the motor transverse pushing mechanism and the torque testing mechanism are fixedly arranged on the fixed platform,
the motor transverse pushing mechanism comprises a driving connecting rod component, an ECU plug component and a motor fixing mechanism,
the motor fixing mechanism is used for providing a test position for the motor to be tested so as to facilitate the loading and unloading of the motor to be tested; the ECU plug assembly is used for providing line connection for a motor to be tested; the driving connecting rod assembly is used for driving the ECU plug assembly and the motor fixing mechanism to perform displacement action; the ECU plug assembly and the motor fixing mechanism are sequentially arranged above the fixing platform and are respectively in linear sliding connection with the fixing platform; the driving connecting rod assembly is arranged below the fixed platform and drives the ECU plug assembly and the motor fixing mechanism to linearly displace through the driving connecting rod assembly;
the torque testing mechanism comprises an output shaft cutting mechanism, a torque sensor, a brake and an auxiliary driving motor, wherein the output shaft cutting mechanism is used for positioning and connecting an output shaft of the motor to be tested; the torque sensor is used for carrying out torque test on the motor to be tested; the auxiliary driving motor is used for realizing the quick start of the motor to be tested; the brake controls the auxiliary driving motor to output torque and rapidly brakes the motor to be tested; the auxiliary driving motor is connected to the brake, the driving force of the auxiliary driving motor is transmitted to the torque sensor through the brake and a first driving shaft connected with the brake in sequence, the torque sensor transmits the driving force to the output shaft knife edge entering mechanism through a second transmission shaft, and the driving force is transmitted to the motor to be tested through the output shaft knife edge entering mechanism to form a load.
2. The performance testing device of claim 1, wherein the driving link assembly comprises a driving link, a transmission link and at least one group of driving cylinders, wherein the driving link comprises a first link, a second link and a third link, the first link and the second link are arranged at an obtuse angle, one end of the first link is fixedly connected with one end of the second link, and the other end of the first link is hinged to the fixed platform; the third connecting rod part and the second connecting rod part are arranged in a right-angle included angle mode, the other end of the second connecting rod part is fixedly connected with one end of the third connecting rod part, and the other end of the third connecting rod part is hinged to one end of the transmission connecting rod; the other end of the transmission connecting rod is hinged with the ECU plug assembly; the end part of a telescopic rod of the driving air cylinder is hinged to the connecting position of the first connecting rod part and the second connecting rod part, and the tail part of a cylinder body of the driving air cylinder is hinged to the lower surface of the fixed platform.
3. The performance testing device of claim 2, wherein the two groups of driving cylinders are arranged oppositely on two sides of the driving connecting rod, and the end of the telescopic rod of each group of driving cylinders is hinged on one side of the connecting position of the first connecting rod part and the second connecting rod part.
4. The performance testing device of claim 1, wherein the fixed platform is provided with at least one set of linear guide rails, the bottoms of the ECU plug assembly and the motor fixing mechanism are correspondingly provided with sliding grooves matched with the linear guide rails, and the ECU plug assembly and the motor fixing mechanism are both connected to the linear guide rails in a sliding manner.
5. The performance testing device of claim 2, wherein a linear guide rod is arranged between the ECU plug assembly and the motor fixing mechanism, the bottom of the motor fixing mechanism is fixedly connected with one end of the linear guide rod, the other end of the linear guide rod penetrates through the bottom of the ECU plug assembly, a limiting part is arranged at the tail end of the linear guide rod, the ECU plug assembly slides and displaces relative to the linear guide rod, and the bottom of the ECU plug assembly is hinged with the end part of the transmission connecting rod.
6. The performance testing device of claim 1, wherein the fixing platform is further provided with an NVH testing mechanism, the NVH testing mechanism is arranged on the side of the motor fixing mechanism, and when the motor to be tested moves to the position of the output shaft cutting-in mechanism, the NVH testing mechanism is over against the side surface of the motor to be tested, and the NVH testing mechanism is used for testing the noise, vibration and sound vibration roughness of the motor to be tested.
7. The performance testing device of claim 6, wherein the NVH testing mechanism comprises an NVH testing sensor and a traverse motor, a cylinder body of the traverse motor is fixedly connected to a fixed platform, and an end part of a telescopic shaft of the traverse motor is connected with the NVH testing sensor; when the motor to be tested moves in place towards the output shaft blade entering mechanism, the telescopic shaft of the transverse moving motor extends out and drives the NVH test sensor to contact the surface of the motor to be tested, so that information acquisition of the NVH test sensor is achieved.
8. The performance testing device of claim 1, wherein a supporting rack is arranged below the fixed platform, the supporting rack is of a metal frame structure, and four corners of the bottom of the supporting rack are respectively provided with a supporting leg.
9. The performance testing device of claim 1, wherein the output shaft cutting mechanism comprises a positioning ring and an output shaft fixing seat, the output shaft fixing seat is installed on the fixing platform, a mounting hole is formed in the output shaft fixing seat and is biased to one side of the motor to be tested, the positioning ring is connected into the mounting hole in a clamping mode, a butt joint component used for butt joint of an output shaft of the motor to be tested is arranged in the middle of the output shaft fixing seat and used for transmitting the auxiliary driving motor to the output shaft of the motor to be tested, the motor to be tested is guided and positioned through the positioning ring and is fixed on the output shaft fixing seat, and the output shaft of the motor to be tested is connected with the butt joint component.
10. The performance testing device of claim 9, wherein a remodeling tool table is further arranged on the fixed table, a connecting rod which is vertically arranged is connected to the lower surface of the remodeling tool table, the upper end of the connecting rod is fixedly connected with the remodeling tool table, and the lower end of the connecting rod is fixedly connected with the fixed platform; the shape changing workbench is provided with a plurality of tool holding grooves, and the tool holding grooves are used for holding positioning rings of different models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211550517.9A CN115754718A (en) | 2022-12-05 | 2022-12-05 | Performance testing device of brushless direct current motor with ECU (electronic control Unit) control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211550517.9A CN115754718A (en) | 2022-12-05 | 2022-12-05 | Performance testing device of brushless direct current motor with ECU (electronic control Unit) control |
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| Publication Number | Publication Date |
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| CN115754718A true CN115754718A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211550517.9A Pending CN115754718A (en) | 2022-12-05 | 2022-12-05 | Performance testing device of brushless direct current motor with ECU (electronic control Unit) control |
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| CN (1) | CN115754718A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116698120A (en) * | 2023-05-16 | 2023-09-05 | 广东浩博特科技股份有限公司 | Automatic change on-line testing equipment |
| CN116698120B (en) * | 2023-05-16 | 2024-05-14 | 广东浩博特科技股份有限公司 | Automatic change on-line testing equipment |
-
2022
- 2022-12-05 CN CN202211550517.9A patent/CN115754718A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116698120A (en) * | 2023-05-16 | 2023-09-05 | 广东浩博特科技股份有限公司 | Automatic change on-line testing equipment |
| CN116698120B (en) * | 2023-05-16 | 2024-05-14 | 广东浩博特科技股份有限公司 | Automatic change on-line testing equipment |
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