WO2020113993A1

WO2020113993A1 - Air compressor equipped with noise reduction function

Info

Publication number: WO2020113993A1
Application number: PCT/CN2019/100769
Authority: WO
Inventors: 陈正东
Original assignee: 太仓凯盟精密模具有限公司
Priority date: 2018-12-06
Filing date: 2019-08-15
Publication date: 2020-06-11
Also published as: CN109854487A; JP3231328U

Abstract

An air compressor equipped with a noise reduction function. A gas storage tank (2) is disposed on a vehicle plate (7) of a trolley (1). The trolley (1) comprises the vehicle plate (7), a telescopic vehicle frame (8) at a side surface of the vehicle plate (7), and rolling wheels (9) at a bottom part of the vehicle plate (7). The vehicle plate (7) is a hollow double-layered structure. After the telescopic vehicle frame (8) is pushed to the bottom, a forklift may be used to lift the vehicle plate (7) to directly move the air compressor. A semi-circular bracket (10) is fixedly connected at a middle position of an upper layer of the vehicle plate (7). The semi-circular bracket (10) is adapted to the shape of the gas storage tank (2) and is used to place the gas storage tank (2). A lower surface of the vehicle plate (7) is provided with four fixing columns (11) that may be extended downwards, and two sides of an outer surface of the gas storage tank (2) are connected to extendable side brackets (13) by means of buckles, wherein the side brackets (13) are extended to the ground after being extended.

Description

An air compressor with noise reduction function

Technical field

The invention relates to an air compressor, in particular to an air compressor with a noise reduction function.

Background technique

At present, many factories use air compressors to continuously output stable compressed air in the production process to provide air pressure to each equipment. Air compressors are the basic products of industrial modernization. It is often said that electrical and automation have full pneumatic meaning; The air compressor is to provide air source power and is the main body of the electromechanical air source device of the core equipment of the pneumatic system. It is a device that converts the mechanical energy of the original motion (usually an electric motor) into gas pressure energy, which is the pressure of compressed air. Generation device.

Summary of the invention

The present invention aims to provide an air compressor with noise reduction function.

In order to achieve the above technical objective, the present invention adopts the following technical solution, an air compressor with a noise reduction function, which includes a gas storage tank provided on a cart, a soundproof cover is provided above the gas storage tank, and a bottom end of the soundproof cover The gas storage tank is hinged, and the other end is used to lock the gas storage tank. The two sides of the soundproof cover are provided with cooling pipes. The soundproof cover is provided with a cylinder and an active noise reduction device. The active noise reduction device includes an incoming device , The central data processor and the noise reduction unit, the incoming device includes a microphone, the microphone is arbitrarily installed in a place of the noise enclosure, the noise reduction unit includes at least two noise reduction boxes, the noise reduction box is located at the bottom of the noise enclosure, positive For the gas storage tank, the noise reduction box is provided with at least one noise reduction speaker and a space for installing a microphone. The microphone and the noise reduction speaker are both connected to the central data processor, and the central data processor is loaded with a noise reduction device self-test module The self-test module receives and processes the self-system signal reported by the device to determine whether there is an increase in microphones and noise-reduction speakers. At the same time, the self-test module is equipped with a timing detection module. The central data processor is installed in a noise-reduction unit. In the noise box, at the same time, there are a number of fins on the inner side wall of the soundproof cover, and the gas storage tank is specifically arranged on the car panel of the cart. The cart includes a car panel, a telescopic frame on the side of the car panel and a roller on the bottom of the car panel. The vehicle plate is a hollow double-layer structure, and the semi-circular bracket is fixedly connected to the middle position of the upper layer. The semi-circular bracket is adapted to the shape of the gas storage tank to accommodate the gas storage tank. The gap between the upper and lower layers of the vehicle plate can be inserted into the forklift. The lower surface of the vehicle plate is provided with four fixed columns that can be expanded and contracted downward. The expansion and contraction of the fixed column is driven by a motor. The drive switch is provided on the vehicle plate. The bottom surface of the fixed column is provided with a soft pad. The two sides of the outer surface are connected with a retractable side bracket through a buckle. The side bracket is extended and then extends down to the ground. The end of the side bracket is provided with a spring shock absorption mechanism. The frame of the cart is connected with a handle. The handle It is a telescopic handle. The handle is fixed on the frame through positioning pins. The telescopic frame is provided with multiple positioning positions for handle installation.

Preferably, four rollers are provided.

Preferably, a temperature detection module is provided at the cylinder.

Preferably, the temperature detection module includes a temperature sensor, a wireless signal transmission device and a temperature display device. The temperature sensor is connected to the wireless signal transmission device, and the wireless signal transmission device sends the data measured by the temperature sensor to the temperature display device.

The air compressor with noise reduction function designed by the present invention, the gas storage tank is specifically arranged on the car board of the cart, the cart includes a car board, a telescopic frame on the side of the car board and a roller at the bottom of the car board, the car board is hollow Double-layer structure, after the telescopic frame is pressed to the bottom, you can use the forklift to check the car plate and move the air compressor directly. The middle position of the upper layer is fixedly connected to the semi-circular bracket. The semi-circular bracket adapts to the shape of the gas storage tank and is used for storage. For gas tanks, the forklift can be inserted into the gap between the upper and lower layers of the vehicle plate. The lower surface of the vehicle plate is provided with four fixed columns that can be expanded and contracted downward. The expansion and contraction of the fixed column is driven by a motor, and the drive switch is provided on the vehicle plate , The bottom of the fixed column is provided with a soft pad, and the two sides of the outer surface of the gas storage tank are connected with a retractable side bracket through a buckle. The side bracket extends to the ground after being extended, and the end of the side bracket is provided with a spring Shock absorbing mechanism, the bottom cushion of the fixed column and the spring shock absorbing mechanism at the end of the side brackets play the role of shock absorbing. The frame of the cart is connected with a handle. The handle is a telescopic handle. The handle is fixed on the positioning pin On the frame, the telescopic frame is provided with multiple positioning positions for handle installation. The active noise reduction device used in the present invention has no special requirements for the installation position of the microphone, the microphone and the speaker are flexibly arranged, and the traditional installation noise reduction The device needs to be adapted according to various factors such as the type of sound enclosure, the shape of the pipe, etc. The installation is cumbersome. In comparison, the invention does not limit the number and installation positions of noise reduction speakers and microphones, the equipment is convenient to install, and only needs to be removed during maintenance Noise reduction box and microphone, equipment maintenance is no longer cumbersome, reduce maintenance costs, maintenance and replacement efficiency is high, low cost, and flexible microphone layout, can comprehensively collect noise, applicable to a wide range, can be applied to almost all types of noise enclosures, in addition The central data processor of the present invention is loaded with a self-checking module of the noise reduction device. The self-checking module receives and processes the self-system signal reported by the device to determine whether there is an increase in microphones and noise reduction speakers, and the number of microphones and noise reduction speakers is detected. After the change, the self-test module will calculate a new error control function, that is, the controller parameters are loaded into the central data processor. At the same time, the self-test module is equipped with a timing detection module. The microphone and noise reduction speaker work for a long time in the factory's processing environment. The self-parameters will change, and at regular intervals, the detection module will update the evaluation conditions and equations of the device, that is, the new controller parameters are calculated for the changes in the microphone and noise-reduction speaker self-parameters and loaded into the central data processor. The present invention only The detection module needs to be started regularly. After the loss of the microphone and the noise reduction speaker, its own parameters change. At this time, only need to do a test again to load a new controller parameter to the central data processing module, because the new controller parameter It is the parameter with the best noise reduction effect calculated based on the performance of the latest microphone and noise reduction horn, which reduces the number of maintenance and improves the service life.

BRIEF DESCRIPTION

Figure 1-2 is a schematic diagram of the structure of the present invention.

In the picture: 1. Cart; 2. Air storage tank; 3. Sound insulation cover; 4. Cooling pipe; 5. Cylinder; 6. Heat sink; 7. Car plate; 8. Telescopic frame; 9. Roller; 10. Semi-circular bracket; 11, fixed column; 12, cushion; 13, side bracket; 14, spring shock-absorbing bracket; 15, handle; 16, microphone; 17, noise reduction box; 18, noise reduction speaker; 19, center Data processor; 20, self-test module; 21, timing detection module.

detailed description

Hereinafter, embodiments of the present invention will be described in detail. Examples of the embodiments are shown in the drawings, in which the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms “installation”, “connection”, and “connection” should be understood in a broad sense, for example, it may be mechanical or electrical, or two. The internal communication of each element can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meaning of the above terms according to specific situations.

An air compressor with a noise reduction function according to an embodiment of the present invention will be described below with reference to FIGS. 1-2. The air compressor includes a gas storage tank 2 provided on a cart 1, and a soundproof cover 3 is provided above the gas storage tank 2. The bottom of the soundproof cover 3 is hinged to the gas storage tank 2, and the other end locks the gas storage tank 2 with a snap. The soundproof cover 3 is provided with cooling pipes 4 on both side walls. The soundproof cover 2 is provided with a cylinder 5 and an active noise reduction device. The active noise reduction device includes an incoming device, a central data processor 19, and a noise reduction unit. The incoming device includes a microphone 16, and the microphone 16 is arbitrarily installed at a place of the soundproof cover 3, and the noise reduction unit includes at least two noise reduction units Box 17, the noise reduction box 17 is located at the bottom of the soundproof cover 3, directly opposite the gas storage tank 2, the noise reduction box 17 is provided with at least one noise reduction speaker 18 and a space for installing the microphone 16, the microphone 16 Both the noise reduction horn 18 and the central data processor 19 are connected to the central data processor 19 installed in a noise reduction box 17 of the noise reduction unit, and the central data processor 19 is loaded with a noise reduction device self-test module 20, which is self-checked The module 20 receives and processes its own system signal reported by the device to determine whether there is an increase in the microphone 16 and the noise reduction speaker 18, and at the same time, the self-test module 20 is provided with a timing detection module 21, and the central data processor 19 is installed in the noise reduction unit In a noise reduction box 17, at the same time, a number of heat sinks 6 are provided on the inner side wall of the soundproof cover 3, and the gas storage tank 2 is specifically provided on the vehicle panel 7 of the cart 1, which includes the vehicle panel 7 and the vehicle panel 7 The telescopic frame 8 on the side and the roller 9 at the bottom of the vehicle panel 7 have a hollow double-layer structure, and a semi-circular bracket 10 is fixedly connected to the middle position of the upper layer. The semi-circular bracket 10 is adapted to the shape of the gas tank 2 To place the gas storage tank 2, the forklift can be inserted into the gap between the upper and lower layers of the vehicle plate 7, and the lower surface of the vehicle plate 7 is provided with four fixed columns 11 that can be telescopically downward. The expansion and contraction of the fixed column 11 is driven by a motor , The driving switch is set on the vehicle plate 7, the bottom surface of the fixed column 11 is provided with a cushion 12, the outer side of the gas storage tank 2 is connected with a retractable side bracket 13 on both sides by a buckle, the side bracket 13 extends After reaching down to the ground, the end of the side bracket 13 is provided with a spring damping mechanism 14, the frame 8 of the cart 1 is connected with a handle 15, the handle 15 is a telescopic handle, and the handle 15 is fixed to the frame through a positioning pin On the 8, the telescopic frame 8 is provided with a plurality of positioning positions for installing the handle 15.

Preferably, four rollers 9 are provided.

Preferably, a temperature detection module is provided at the cylinder 5.

The air compressor with noise reduction function designed by the present invention, the gas storage tank is specifically arranged on the car board of the cart, the cart includes a car board, a telescopic frame on the side of the car board and a roller at the bottom of the car board, the car board is hollow Double-layer structure, after the telescopic frame is pressed to the bottom, you can use the forklift to check the car plate and move the air compressor directly. The middle position of the upper layer is fixedly connected to the semi-circular bracket. The semi-circular bracket adapts to the shape of the gas storage tank and is used for storage. For gas tanks, the forklift can be inserted into the gap between the upper and lower layers of the vehicle plate. The lower surface of the vehicle plate is provided with four fixed columns that can be expanded and contracted downward. The expansion and contraction of the fixed column is driven by a motor, and the drive switch is provided on the vehicle plate , The bottom of the fixed column is provided with a soft pad, and the two sides of the outer surface of the gas storage tank are connected with a retractable side bracket through a buckle. The side bracket extends to the ground after being extended, and the end of the side bracket is provided with a spring Shock absorbing mechanism, the bottom cushion of the fixed column and the spring shock absorbing mechanism at the end of the side brackets play the role of shock absorbing. The frame of the cart is connected with a handle. The handle is a telescopic handle. The handle is fixed on the positioning pin On the frame, the telescopic frame is provided with multiple positioning positions for handle installation. The active noise reduction device used in the present invention has no special requirements for the installation position of the microphone. The microphone and the speaker are flexibly arranged, while the traditional installation reduces noise The device needs to be adapted according to various factors such as the type of sound enclosure, the shape of the pipe, etc. The installation is cumbersome. In comparison, the invention does not limit the number and installation positions of noise reduction speakers and microphones, the equipment is convenient to install, and only needs to be removed during maintenance Noise reduction box and microphone, equipment maintenance is no longer cumbersome, reduce maintenance costs, maintenance and replacement efficiency is high, low cost, and flexible microphone layout, can comprehensively collect noise, applicable to a wide range, can be applied to almost all types of noise enclosures, in addition The central data processor of the present invention is loaded with a self-checking module of the noise reduction device. The self-checking module receives and processes the self-system signal reported by the device to determine whether there is an increase in microphones and noise reduction speakers, and the number of microphones and noise reduction speakers is detected. After the change, the self-test module will calculate a new error control function, that is, the controller parameters are loaded into the central data processor. At the same time, the self-test module is equipped with a timing detection module. The microphone and noise reduction speaker work for a long time in the factory's processing environment. The self-parameters will change, and at regular intervals, the detection module will update the evaluation conditions and equations of the device, that is, the new controller parameters are calculated for the changes of the microphone and noise-reduction speaker self-parameters and loaded into the central data processor. The present invention only The detection module needs to be started regularly. After the loss of the microphone and the noise reduction speaker, its own parameters change. At this time, only need to do a test again to load a new controller parameter to the central data processing module, because the new controller parameter It is the parameter with the best noise reduction effect calculated based on the performance of the latest microphone and noise reduction horn, which reduces the number of maintenance and improves the service life.

In the description of this specification, the description referring to the terms "one embodiment", "example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in the In at least one embodiment or example. In this specification, the schematic expression of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art may understand that various changes, modifications, replacements, and variations can be made to these embodiments without departing from the principle and purpose of the present invention, The scope of the invention is defined by the claims and their equivalents.

Claims

An air compressor with a noise reduction function, characterized in that it includes a gas storage tank provided on a cart, a soundproof cover is arranged above the gas storage tank, one end of the bottom of the soundproof cover is hinged to the gas storage tank, and the other end is connected by a card The gas storage tank is buckled and locked, and cooling pipes are provided on both side walls of the soundproof cover. The soundproof cover is provided with a cylinder and an active noise reduction device. The active noise reduction device includes an incoming device, a central data processor, and a noise reduction unit , The incoming device includes a microphone, and the microphone is arbitrarily installed at a place of the sound insulation cover, and the noise reduction unit includes at least two noise reduction boxes, the noise reduction box is located at the bottom of the sound insulation cover, directly opposite the air storage tank, and the noise reduction box At least one noise reduction speaker is provided and there is space for installing a microphone. The microphone and the noise reduction speaker are connected to a central data processor. The central data processor is installed in a noise reduction box of the noise reduction unit. The processor is loaded with a self-checking module of the noise reduction device. The self-checking module receives and processes the self-system signal reported by the device to determine whether there is an increase in the microphone and the noise reduction speaker. At the same time, the self-checking module is provided with a timing detection module, the central data processing The device is installed in a noise reduction box of the noise reduction unit. At the same time, a number of heat sinks are provided on the inner side wall of the soundproof cover. The gas storage tank is specifically arranged on the vehicle board of the cart. The rollers at the bottom of the frame and the vehicle plate are of a hollow double-layer structure. The middle position of the upper layer is fixedly connected with a semi-circular bracket. The semi-circular bracket adapts to the shape of the gas storage tank and is used to house the gas storage tank. The forklift can be inserted into the gap between the lower layers. The lower surface of the vehicle plate is provided with four fixed columns that can be expanded and contracted downward. The expansion and contraction of the fixed column is driven by a motor. The drive switch is provided on the vehicle plate, and the bottom surface of the fixed column is provided with Cushion, two sides of the outer surface of the gas storage tank are connected with a retractable side bracket through a buckle, the side bracket is extended and then extends down to the ground, the end of the side bracket is provided with a spring shock absorption mechanism, The frame is connected with a handle. The handle is a telescopic handle. The handle is fixed on the frame by positioning pins. The telescopic frame is provided with multiple positioning positions for handle installation.
The air compressor according to claim 1, wherein four rollers are provided.
The air compressor according to claim 2, wherein a temperature detection module is provided at the cylinder.
The air compressor according to claim 1, wherein the temperature detection module includes a temperature sensor, a wireless signal transmission device and a temperature display device, the temperature sensor is connected to the wireless signal transmission device, and the wireless signal transmission device measures the temperature sensor The data is sent to the temperature display device.