Motor noise measurement equipment

Abstract

The invention discloses a motor noise measurement device, which comprises a control cabinet and an assembly table, and is characterized in that the control cabinet is provided with a control panel and a display screen; an assembly plate is arranged on the assembly table, a sealed sound insulation detection cabin is arranged on the assembly plate, an electromagnetic shielding layer and a sound absorption lining are arranged on the inner wall of the sealed sound insulation detection cabin, a three-dimensional sensor array is arranged in the sealed sound insulation detection cabin, and the three-dimensional sensor array is electrically connected with a control panel and a display screen; four groups of clamping arms are arranged on the inner side of the sealed sound insulation detection cabin on the assembly plate, the clamping arms are in sliding connection with the assembly plate, the sliding direction of the four groups of clamping arms is inclined to the center of the assembly plate, and a clamping space for clamping a motor prototype is formed among the four groups of clamping arms. According to the invention, stable clamping and fixing of prototypes of different models can be realized, the applicability is high, rapid assembly of the motor prototype can be realized, and the noise measurement efficiency of the motor is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of motor testing equipment, and in particular to a motor noise measuring device. Background Art

[0002] As the power source for various electrical appliances and machinery, motors are an indispensable and important component. Motors refer to electromagnetic devices that convert or transmit electrical energy based on the law of electromagnetic induction. Their main function is to generate driving torque. To ensure that there are no technical problems in the performance and safety of motor research and development and production, motors need to be tested before leaving the factory. With the continuous development of science and technology, the requirements for the production and testing of motors are becoming increasingly stringent.

[0003] After the motor is assembled, it often has noise problems caused by various reasons, such as electromagnetic noise, ventilation noise, noise caused by housing resonance, noise caused by bearing quality problems, vibration noise caused by rotor imbalance, etc. The current motor noise measurement operating table cannot achieve precise clamping and fixation when testing different models of prototypes, which often causes the prototype to be out of the reasonable test position and has poor applicability. Summary of the Invention

[0004] In response to the above problems, the present invention provides a motor noise measurement device that can achieve stable clamping and fixation of prototypes of different models, has strong applicability, and can achieve rapid assembly of motor prototypes, effectively improving the noise measurement efficiency of the motor.

[0005] The technical solutions of the present invention are as follows:

[0006] A motor noise measurement device includes a control cabinet and an assembly table, the control cabinet is provided with a control panel and a display screen; the assembly table is provided with an assembly plate, the assembly plate is provided with a sealed soundproof detection cabin, the inner wall of the sealed soundproof detection cabin is provided with an electromagnetic shielding layer and a sound-absorbing lining, and a three-dimensional sensor array is provided in the sealed soundproof detection cabin, and the three-dimensional sensor array is electrically connected to the control panel and the display screen respectively; four groups of clamping arms are provided on the assembly plate on the inner side of the sealed soundproof detection cabin, the clamping arms are slidably connected to the assembly plate, and the sliding direction of the four groups of clamping arms is oblique to the center of the assembly plate, and a clamping space for clamping a motor prototype is formed between the four groups of clamping arms.

[0007] In a further technical solution, a clamping plate is provided at the front end of the clamping arm.

[0008] In a further technical solution, the clamping plate is movably connected to the clamping arm.

[0009] In a further technical solution, a rubber gasket is provided on the clamping surface of the clamping plate.

[0010] In a further technical solution, a rack is provided on the side of the clamping arm along its sliding direction, a driving motor is provided on the assembly plate, and a driving gear meshing with the rack is connected to the output shaft of the driving motor.

[0011] In a further technical solution, a positioning plate is provided on one side of the assembly plate in the length direction, and the positioning plate is slidably connected to the assembly plate, and the sliding direction is toward the other side of the assembly plate.

[0012] In a further technical solution, a lifting mechanism is provided in the assembly table, and the top end of the lifting mechanism is connected to the assembly plate.

[0013] The beneficial effects of the present invention are:

[0014] The present invention provides an assembly plate on the assembly table, and the placement height of the motor prototype can be adjusted by a jacking mechanism. Through the four sets of clamping arms that slide obliquely on the assembly plate and cooperate with the positioning of the positioning plate, it can meet the needs of clamping and fixing motor prototypes of different models and sizes. It has strong applicability and can realize the rapid assembly of the motor prototype. Afterwards, the three-dimensional sensor array in the sealed soundproof detection cabin is controlled by the control panel to collect the noise generated during the operation of the motor, and the detection data is transmitted to the display screen for display, which effectively improves the noise measurement efficiency of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a front view of the motor noise measurement device according to an embodiment of the present invention;

[0016] Figure 2 is a top view of the motor noise measurement device according to an embodiment of the present invention;

[0017] Figure 3 yes Figure 2 A partial enlarged view of .

[0018] Description of reference numerals:

[0019] 10. Control cabinet; 11. Control panel; 12. Display screen; 20. Assembly table; 21. Assembly plate; 22. Clamping arm; 23. Clamping plate; 24. Positioning plate; 25. Drive motor; 26. Rack; 30. Sealed soundproof test cabin. DETAILED DESCRIPTION

[0020] The embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0021] Example:

[0022] A motor noise measuring device, such as Figure 1-Figure 2As shown, it includes a control cabinet 10 and an assembly table 20, and the control cabinet 10 is provided with a control panel 11 and a display screen 12; the assembly table 20 is provided with an assembly plate 21, and the assembly plate 21 is provided with a sealed sound insulation detection cabin 30, the inner wall of the sealed sound insulation detection cabin 30 is provided with an electromagnetic shielding layer and a sound-absorbing lining, and a three-dimensional sensor array is provided in the sealed sound insulation detection cabin 30, and the three-dimensional sensor array is electrically connected to the control panel 11 and the display screen 12 respectively; four groups of clamping arms 22 are provided on the inner side of the sealed sound insulation detection cabin 30 on the assembly plate 21, and the clamping arms 22 are slidably connected to the assembly plate 21, and the sliding direction of the four groups of clamping arms 22 is oblique to the center of the assembly plate 21, and a clamping space for clamping the motor prototype is formed between the four groups of clamping arms 22.

[0023] In another embodiment, Figure 3 As shown, a clamping plate 23 is provided at the front end of the clamping arm 22 .

[0024] In another embodiment, the clamping plate 23 and the clamping arm 22 are movably connected.

[0025] In another embodiment, a rubber gasket is provided on the clamping surface of the clamping plate 23 .

[0026] In another embodiment, Figure 3 As shown, a rack 26 is provided on the side of the clamping arm 22 along its sliding direction, and a driving motor 25 is provided on the assembly plate 21 . A driving gear meshing with the rack 26 is connected to the output shaft of the driving motor 25 .

[0027] In another embodiment, Figure 2 As shown, a positioning plate 24 is provided on one side of the assembly plate 21 in the length direction. The positioning plate 24 is slidably connected to the assembly plate 21 , and the sliding direction is toward the other side of the assembly plate 21 .

[0028] In another embodiment, a lifting mechanism is provided in the assembly platform 20 , and the top end of the lifting mechanism is connected to the assembly plate 21 .

[0029] The working principle of this embodiment is as follows: an assembly plate 21 is set on the assembly table 20, and the placement height of the motor prototype can be adjusted by a lifting mechanism. The four groups of clamping arms 22 that slide obliquely on the assembly plate 21 cooperate with the positioning of the positioning plate 24 to meet the needs of clamping and fixing motor prototypes of different models and sizes. It has strong applicability and can realize rapid assembly of motor prototypes. Afterwards, the noise collection detection element in the sealed soundproof detection cabin 30 is controlled by the control panel 11 to collect the noise generated when the motor is running, and the detection data is transmitted to the display screen 12 for display, which effectively improves the noise measurement efficiency of the motor.

[0030] The above-described embodiments merely represent specific implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, and all such variations and improvements fall within the scope of protection of the present invention.

Claims

1. A motor noise measurement device, characterized in that: It includes a control cabinet and an assembly table, the control cabinet is provided with a control panel and a display screen; the assembly table is provided with an assembly plate, the assembly plate is provided with a sealed sound insulation detection cabin, the inner wall of the sealed sound insulation detection cabin is provided with an electromagnetic shielding layer and a sound-absorbing lining, the sealed sound insulation detection cabin is provided with a three-dimensional sensor array, and the three-dimensional sensor array is electrically connected to the control panel and the display screen respectively; four groups of clamping arms are provided on the inner side of the sealed sound insulation detection cabin on the assembly plate, the clamping arms are slidably connected to the assembly plate, and the sliding direction of the four groups of clamping arms is oblique to the center of the assembly plate, and a clamping space for clamping the motor prototype is formed between the four groups of clamping arms.

2. The motor noise measurement device according to claim 1, characterized in that: The front end of the clamping arm is provided with a clamping plate.

3. The motor noise measuring device according to claim 2, characterized in that: The clamping plate is movably connected to the clamping arm.

4. The motor noise measuring device according to claim 2, characterized in that: A rubber gasket is provided on the clamping surface of the clamping plate.

5. The motor noise measuring device according to claim 1, characterized in that: A rack is provided on the side of the clamping arm along its sliding direction, a driving motor is provided on the assembly plate, and a driving gear meshing with the rack is connected to the output shaft of the driving motor.

6. The motor noise measurement device according to claim 1, characterized in that: A positioning plate is provided on one side of the assembly plate in the length direction. The positioning plate is slidably connected to the assembly plate, and the sliding direction is toward the other side of the assembly plate.

7. The motor noise measuring device according to claim 1, characterized in that: A jacking mechanism is provided in the assembly platform, and the top end of the jacking mechanism is connected to the assembly plate.

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