CN209126854U - A kind of active noise reduction AGV trolley - Google Patents
A kind of active noise reduction AGV trolley Download PDFInfo
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- CN209126854U CN209126854U CN201821918922.0U CN201821918922U CN209126854U CN 209126854 U CN209126854 U CN 209126854U CN 201821918922 U CN201821918922 U CN 201821918922U CN 209126854 U CN209126854 U CN 209126854U
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Abstract
A kind of active noise reduction AGV trolley provided by the utility model, including trolley body and active noise reduction circuit, the active noise reduction circuit is set to the trolley body, the active noise reduction circuit includes noise gathering module, module occurs for processor and audio, the noise gathering module, the audio occurs module and is electrically connected with the processor, the noise gathering module is used to acquire the noise of AGV trolley generation, and the noise of acquisition is sent to the processor, the processor generates audio according to the noise of acquisition and instructs, and instruction is occurred into for the audio and is sent to the audio generation module, the noise opposite in phase that instruction generation and the acquisition occurs according to the audio for module occurs for the audio, the identical voice signal of amplitude is to reduce noise, to offset noise, reach AGV active noise reduction Purpose, to build the quiet environment of AGV operation.
Description
Technical field
The utility model relates to AGV trolley fields, in particular to a kind of active noise reduction AGV trolley.
Background technique
Greatly developing and being widely applied with robot technology such as AGV, they in the process of running, because of Mechanical Contact
Or operation friction, operation noise can be inevitably generated, brings noise pollution to extensive unmanned factory.
Utility model content
The purpose of this utility model is to provide a kind of active noise reduction AGV trolleies, to realize that reducing AGV trolley itself generates
Noise purpose.
The utility model is realized in this way:
A kind of active noise reduction AGV trolley, the active noise reduction AGV trolley include trolley body and active noise reduction circuit,
The active noise reduction circuit is set to the trolley body, the active noise reduction circuit include noise gathering module, processor and
Module occurs for audio, and the noise gathering module, the audio occur module and be electrically connected with the processor, and the noise is adopted
Collection module is used to acquire the noise of AGV trolley generation, and the noise of acquisition is sent to the processor, the processor according to
The noise of acquisition generates audio and instructs, and instruction is occurred for the audio and is sent to the audio generation module, the sound
The raw module that takes place frequently occurs instruction according to the audio and voice signal identical with the noise opposite in phase of the acquisition, amplitude occurs
To reduce noise.
Further, the noise gathering module includes multiple sound pick-ups, and multiple sound pick-ups are separately positioned on trolley
At the noise source of ontology.
Further, the noise gathering module includes at least one signal amplification circuit, the sound pick-up and the letter
The signal input part electrical connection of number amplifying circuit, the signal output end of the signal amplification circuit are electrically connected with the processor,
The signal amplification circuit is used to amplify the noise signal of sound pick-up acquisition, transmission.
Further, it includes multiple loudspeakers that module, which occurs, for the audio, and the loudspeaker is used to be sent out according to the audio
Voice signal identical with the noise opposite in phase of the acquisition, amplitude occurs for raw instruction to reduce noise.
Further, it includes at least one power amplification circuit that module, which occurs, for the audio, the power amplification circuit
Signal input part is electrically connected with the processor, and the signal output end of the power amplification circuit is electrically connected with the loudspeaker,
The power amplification circuit is used for the sound identical with the noise opposite in phase of the acquisition, amplitude for generating the processor
Signal amplifies.
The processor includes one of single-chip microcontroller, digital signal processing unit, embedded-type ARM.
Further, the noise source of the trolley body includes: at tire, at driving motor, at transmission mechanism and machine
Tool acts position.
Compared with the prior art, the utility model has the following beneficial effects:
A kind of active noise reduction AGV trolley provided by the utility model, including trolley body and active noise reduction circuit, it is described
Active noise reduction circuit is set to the trolley body, and the active noise reduction circuit includes noise gathering module, processor and audio
Module occurs, the noise gathering module, the audio occur module and be electrically connected with the processor, the noise gathering mould
Block is used to acquire the noise of AGV trolley generation, and the noise of acquisition is sent to the processor, and the processor is according to acquisition
Noise generate audio and instruct, and instruction occurred for the audio be sent to the audio module occurs, the audio is sent out
Raw module occurs instruction according to the audio and voice signal identical with the noise opposite in phase of the acquisition, amplitude occurs to drop
Low noise, so that offset noise, achievees the purpose that AGV active noise reduction, to build the quiet environment of AGV operation.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 shows a kind of schematic diagram of active noise reduction AGV trolley provided by the utility model.
Fig. 2 shows the functional block diagrams of active noise reduction circuit.
Icon: 10- active noise reduction AGV trolley；100- active noise reduction circuit；110- noise gathering module；111- sound pick-up；
Module occurs for 120- audio；121- power amplification circuit；122- loudspeaker；130- processor；200- trolley body.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.
It is in the description of the present invention, it should also be noted that, herein, such as first and second or the like pass
It is that term is only used to distinguish one entity or operation from another entity or operation, and not necessarily requires or secretly
Show that there are any actual relationship or orders between these entities or operation.Term "horizontal", "vertical", " pendency " etc.
Term is not offered as requiring component abswolute level or pendency, but can be slightly tilted.As "horizontal" only refers to its direction phase
It is more horizontal for "vertical", it is not to indicate that the structure is had to fully horizontally, but can be slightly tilted.Term " packet
Include ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that including the mistake of a series of elements
Journey, method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, either
It further include for elements inherent to such a process, method, article, or device.In the absence of more restrictions, by sentence
The element that "including a ..." limits, it is not excluded that also deposit in the process, method, article or apparatus that includes the element
In other identical element.For the ordinary skill in the art, above-mentioned term can be understood in this reality with concrete condition
With the concrete meaning in novel.
With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under
The feature in embodiment and embodiment stated can be combined with each other.
The noise source of the trolley body includes: at tire, at driving motor, at transmission mechanism and mechanical action portion
Position.
Embodiment
A kind of active noise reduction AGV trolley 10 is present embodiments provided, noise is larger when improving the work of existing AGV trolley
The problems such as.Referring to Fig. 1, Fig. 1 shows the schematic diagram of active noise reduction AGV trolley 10 provided in this embodiment.
Active noise reduction AGV trolley 10 includes trolley body 200 and active noise reduction circuit 100, the active noise reduction circuit
100 are set to the trolley body 200, and active noise reduction circuit 100 is used for the noise generated according to trolley body 200 itself, hair
The identical sound of opposite in phase, the amplitude of making a noise out with trolley body 200 is reached with offsetting the noise of the generation of trolley body 200
To the purpose of noise reduction.
Trolley body 200 includes the power parts such as driving motor, transmission mechanism, tire, further includes mechanical arm, lifting arm etc.
Mechanical action position, AGV trolley realize movement by the power part of itself, realize taking for article by mechanical action position
Band, transport, transfer, handling etc..
Referring to Fig. 2, the active noise reduction circuit 100 includes that noise gathering module 110, processor 130 and audio occur
Module 120.The noise gathering module 110, the audio occur module 120 and are electrically connected with the processor 130, described to make an uproar
Sound acquisition module 110 is used to acquire the noise of AGV trolley generation, and the noise of acquisition is sent to the processor 130, described
Processor 130 generates audio according to the noise of acquisition and instructs, and instruction is occurred for the audio and is sent to the audio hair
The noise phase phase that instruction generation and the acquisition occurs according to the audio for module 120 occurs for raw module 120, the audio
Instead, the identical voice signal of amplitude is to reduce noise.
The noise gathering module 110 includes multiple sound pick-ups 111 and at least one signal amplification circuit, sound pick-up
111 noises issued for acquiring the noise source on AGV trolley, in this present embodiment, multiple sound pick-ups 111 are respectively set
At the noise source of trolley body 200, the noise source includes but is not limited to: the power component of AGV trolley: as driving motor,
Transmission mechanism, tire；And the mechanical action position of AGV trolley is such as: mechanical arm, lifting arm.
Signal amplification circuit includes signal input part and signal output end, and the sound pick-up 111 and signal amplification are electric
The signal input part on road is electrically connected, and the signal output end of the signal amplification circuit is electrically connected with the processor 130, the letter
Number amplifying circuit is used to amplify the noise signal of the acquisition of sound pick-up 111, transmission.The processor 130 includes multiple letters
Number acquisition port, the signal acquisition port of a sound pick-up 111 and a processor 130 is correspondingly connected with.
It includes multiple loudspeakers 122 and at least one power amplification circuit 121, power that module 120, which occurs, for the audio
Amplifying circuit 121 is used to the audio voice signal that instruction includes occurs to amplify, and the loudspeaker 122 is used for basis
The audio occurs to instruct generation voice signal identical with the noise opposite in phase of the acquisition, amplitude to reduce noise, institute
Stating audio instruction occurs includes through the amplified voice signal of power amplification circuit 121.
Power amplification circuit 121 includes signal input part and signal output end, and the signal of the power amplification circuit 121 is defeated
Enter end to be electrically connected with the processor 130, specifically, the processor 130 includes multiple signal output ports, for that will generate
Audio occur instruction exported, the signal input part of the power amplification circuit 121 and the signal of the processor 130 are defeated
Exit port electrical connection, the signal output end of the power amplification circuit 121 are electrically connected with the loudspeaker 122, and the power is put
The voice signal identical with the noise opposite in phase of the acquisition, amplitude that big circuit 121 is used to generate the processor 130
It amplifies.
It should be noted that in this present embodiment, the corresponding loudspeaker 122 of a sound pick-up 111, the loudspeaker
122 can be set with sound pick-up 111 in identical position, to reach preferable noise reduction effect.
Processor 130 can be a kind of IC chip, the processing capacity with signal.Above-mentioned processor 130 can
To be general processor 130, including central processing unit 130 (Central Processing Unit, CPU), network processing unit
130 (Network Processor, NP) etc.；It can also be (the Digital Signal of digital signal processor 130
Processing, DSP), it is specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing
In field programmable gate array (Field Programmable Gate Array, FPGA), embedded-type ARM or other are programmable
Logical device, discrete gate or transistor logic, discrete hardware components.General processor 130 can be microprocessor
130；The processor 130 is also possible to any conventional processor 130 etc..In this present embodiment, it is preferable that in the present embodiment
In, the processor 130 is digital signal processor 130.
When the working principle of active noise reduction AGV trolley 10 is such that starting, all elements are carried out at initialization
Reason, processor 130 read the noise signal that each sound pick-up 111 is sent, if failing to detect the noise letter that sound pick-up 111 is sent
Number, then it persistently detects.If detecting the voice signal that audition curly hair is sent, FFT transform point is utilized according to each road noise sound signal first
The frequency and phase of noise are analysed, then processor 130 is according to the frequency and phase of the noise analyzed, generates that amplitude is identical, phase
The opposite voice signal in position is sent to loudspeaker 122 and is broadcast through power amplification circuit 121 by the power amplification of voice signal
Out, to reduce the noise of AGV trolley.
In conclusion a kind of active noise reduction AGV trolley provided by the utility model, including trolley body and active noise reduction
Circuit, the active noise reduction circuit are set to the trolley body, and the active noise reduction circuit includes noise gathering module, processing
Module occurs for device and audio, and the noise gathering module, the audio occur module and be electrically connected with the processor, described to make an uproar
Sound acquisition module is used to acquire the noise of AGV trolley generation, and the noise of acquisition is sent to the processor, the processor
Audio is generated according to the noise of acquisition to instruct, and instruction is occurred into for the audio and is sent to the audio generation module, institute
It states audio and module occurs according to audio generation instruction generation sound identical with the noise opposite in phase of the acquisition, amplitude
Signal is to reduce noise, so that offset noise, achievees the purpose that AGV active noise reduction, to build the quiet environment of AGV operation.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of active noise reduction AGV trolley, which is characterized in that the active noise reduction AGV trolley includes trolley body and active
Dolby circuit, the active noise reduction circuit are set to the trolley body, the active noise reduction circuit include noise gathering module,
Module occurs for processor and audio, and the noise gathering module, the audio occur module and be electrically connected with the processor, institute
Noise gathering module is stated for acquiring the noise of AGV trolley generation, and the noise of acquisition is sent to the processor, the place
Reason device generates audio according to the noise of acquisition and instructs, and instruction is occurred for the audio and is sent to the audio generation mould
Block, the audio occur module and are occurred to instruct generation identical as the noise opposite in phase of the acquisition, amplitude according to the audio
Voice signal to reduce noise.
2. active noise reduction AGV trolley as described in claim 1, which is characterized in that the noise gathering module includes multiple picks up
Sound device, multiple sound pick-ups are separately positioned at the noise source of trolley body.
3. active noise reduction AGV trolley as claimed in claim 2, which is characterized in that the noise gathering module includes at least one
A signal amplification circuit, the sound pick-up are electrically connected with the signal input part of the signal amplification circuit, the signal amplification electricity
The signal output end on road is electrically connected with the processor, and the signal amplification circuit is used for the noise of sound pick-up acquisition, transmission
Signal amplifies.
4. active noise reduction AGV trolley as described in claim 1, which is characterized in that it includes multiple raise that module, which occurs, for the audio
Sound device, the loudspeaker are used to that instruction generation to occur according to the audio identical as the noise opposite in phase of the acquisition, amplitude
Voice signal to reduce noise.
5. active noise reduction AGV trolley as claimed in claim 4, which is characterized in that it includes at least one that module, which occurs, for the audio
A power amplification circuit, the signal input part of the power amplification circuit are electrically connected with the processor, the power amplification electricity
The signal output end on road is electrically connected with the loudspeaker, the power amplification circuit be used for the processor is generated with it is described
The identical voice signal of the noise opposite in phase of acquisition, amplitude amplifies.
6. active noise reduction AGV trolley as described in claim 1, which is characterized in that the processor includes single-chip microcontroller, number letter
One of number processing unit, embedded-type ARM.
7. active noise reduction AGV trolley as claimed in claim 2, which is characterized in that the noise source of the trolley body includes: wheel
At tire, at driving motor, at transmission mechanism and mechanical action position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918922.0U CN209126854U (en) | 2018-11-20 | 2018-11-20 | A kind of active noise reduction AGV trolley |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821918922.0U CN209126854U (en) | 2018-11-20 | 2018-11-20 | A kind of active noise reduction AGV trolley |
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| CN209126854U true CN209126854U (en) | 2019-07-19 |
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| CN201821918922.0U Active CN209126854U (en) | 2018-11-20 | 2018-11-20 | A kind of active noise reduction AGV trolley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211467A (en) * | 2021-07-07 | 2021-08-06 | 江西丹巴赫机器人股份有限公司 | Intelligent remote carrying robot based on 5G audio transmission |
-
2018
- 2018-11-20 CN CN201821918922.0U patent/CN209126854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211467A (en) * | 2021-07-07 | 2021-08-06 | 江西丹巴赫机器人股份有限公司 | Intelligent remote carrying robot based on 5G audio transmission |
| CN113211467B (en) * | 2021-07-07 | 2021-12-07 | 云鼎科技股份有限公司 | Intelligent remote carrying robot based on 5G audio transmission |
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