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Noise reduction system and noise reduction method for double-drum vibratory roller and vibratory roller

A technology of vibratory roller and noise reduction system, which is applied in the direction of roads, roads, road repairs, etc., can solve the problem of high noise in the cab, and achieve the effect of solving excessive noise and reducing huge noise

Pending Publication Date: 2022-07-05
XCMG CONSTR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a double steel wheel vibratory roller noise reduction system, noise reduction method and vibratory roller, solve the problem of excessive noise in the driver's cab due to the beating frequency phenomenon of the current double steel wheel vibratory roller. big problem

Method used

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  • Noise reduction system and noise reduction method for double-drum vibratory roller and vibratory roller
  • Noise reduction system and noise reduction method for double-drum vibratory roller and vibratory roller

Examples

Experimental program
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Effect test

Embodiment 1

[0033] A noise reduction system for a double-drum vibratory roller, comprising a vehicle-mounted main controller 1, an acoustic controller 2, an acoustic unit 3, a feedback front end 4 and a human-computer interaction display 5;

[0034] The on-board main controller 1 includes a processor and a storage medium, and the storage medium is used to store the current value corresponding to the vibration frequency of the drum. The data exchange terminal of the on-board main controller 1 is respectively connected to the acoustic controller 2 and the human-computer interaction display 5 through the bus. , the human-computer interaction display 5 is installed in the cab of the vibratory roller, and people can input control instructions to the vehicle-mounted main controller 1 through the human-computer interaction display 5, and the human-computer interaction display 5 can display the output content of the vehicle-mounted main controller 1;

[0035] The vehicle-mounted main controller 1 ...

Embodiment 2

[0040] A noise reduction method for a double-drum vibratory road roller, comprising the following steps:

[0041] A. Press the button to automatically calibrate the vibration frequency of the drum of the vibratory roller to adjust the vibration frequency difference between the two drums;

[0042] B. Since the double-drum vibratory road roller has two working states of double-drum vibration and single-drum vibration, and the two working states are activated by the operator in the cab through the key board, and open on the human-computer interaction display 5 After the active noise reduction button is pressed, the main vehicle controller 1 judges that the current is two-wheel vibration and then jumps to step E, and if it is single-wheel vibration, it is executed sequentially;

[0043] C. The main vehicle controller 1 reads the vibration frequency of the corresponding steel wheel, and transmits the real-time vibration frequency to the acoustic controller 2. The acoustic controlle...

Embodiment 3

[0048] A vibratory road roller includes the above-mentioned noise reduction system for the double-drum vibratory road roller.

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Abstract

The invention discloses a noise reduction system for a double-drum vibratory roller. The noise reduction system comprises a vehicle-mounted main controller, an acoustic controller, an acoustic unit for outputting sound waves, a feedback front end for collecting the grade and phase of vibration noise, and a man-machine interaction display, the data interaction end of the vehicle-mounted main controller is connected with the man-machine interaction display; the vehicle-mounted main controller is connected with a plurality of frequency sensors for measuring the vibration frequency of the steel wheel of the road roller; the feedback front end is arranged to collect noise in a cab in real time, the vehicle-mounted main controller transmits read real-time steel wheel vibration frequency to the acoustic controller, meanwhile, the noise level and phase collected by the feedback front end are also transmitted to the acoustic controller, and the acoustic controller superposes final processed results and outputs the results to the acoustic unit. And the acoustic unit can emit sound waves for inhibiting noise in the cab, so that the problem that the noise in the cab is too loud due to the beat frequency phenomenon of the conventional double-drum vibratory roller is solved.

Description

technical field [0001] The invention relates to a noise reduction system for a double-drum vibratory road roller, a noise reduction method and a vibratory road roller, and belongs to the technical field of assisted driving of road rollers. Background technique [0002] The development of modern science and technology has greatly promoted the intellectualization of road rollers, and more and more high-end technologies have been introduced into the field of road rollers, making road rollers move towards the goal of being more efficient and safer. Usually, the construction environment of road rollers contains a lot of noise. At present, the main engine factory reduces the noise in the cab through physical noise reduction, and the physical noise reduction is often by installing sound insulation materials in the car to isolate the noise, which will increase the manufacturing of vehicles. In addition, the effect of noise isolation is not ideal, the input and output are relatively ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C19/28G10K11/178
CPCE01C19/28G10K11/17857G10K11/17821E01C19/282E01C19/285G10K2210/128G10K2210/3027
Inventor 薛力戈武博文庄坤张天骄骆城张勇范廷锴
Owner XCMG CONSTR MACHINERY
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