CN206236424U - For the noise absorber and direct-current charging post of direct-current charging post - Google Patents
For the noise absorber and direct-current charging post of direct-current charging post Download PDFInfo
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- CN206236424U CN206236424U CN201621110154.7U CN201621110154U CN206236424U CN 206236424 U CN206236424 U CN 206236424U CN 201621110154 U CN201621110154 U CN 201621110154U CN 206236424 U CN206236424 U CN 206236424U
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Abstract
The utility model is related to a kind of noise absorber for direct-current charging post and the direct-current charging post with noise absorber, wherein above-mentioned noise absorber includes：Noise extraction module, for extracting the noise sound wave produced by direct-current charging post body；Analysis module, frequency, amplitude and phase for obtaining the noise sound wave；There is module in sound wave, for the analysis result according to the analysis module, produce the first sound wave for offsetting the noise sound wave, and the frequency of first sound wave, amplitude are identical with the noise sound wave, and phase is opposite with the noise sound wave.Above-mentioned noise absorber is by extracting, analyzing the noise sound wave produced by direct-current charging post, and frequency, amplitude identical with noise sound wave, phase and the first opposite sound wave of noise sound wave are produced by sound wave generation module, so, first sound wave just can cancel out each other with above-mentioned noise sound wave, to reach the purpose of the sound wave that abates the noise.
Description
Technical field
The utility model is related to electric automobile field, more particularly to the noise absorber for direct-current charging post and straight
Current charge stake.
Background technology
Electric automobile is a kind of environmentally friendly, new vehicles of dependence driven by power, can realize zero-emission or pole
Low discharge, reduces environmental pollution, and battery is the power producer of electric automobile, and charging pile is the power conveying channel of battery,
It is an indispensable part for electric automobile.
With the rapid popularization of electric motor car, the direct-current charging post of high-power quick charge can be provided for electric motor car
Largely emerge, many direct-current charging posts are installed in cell and commercial center location.But direct-current charging post is high-power electricity consumption
Equipment, has requirement very high for radiating, is substantially all is radiated using air blast cooling at present, and this radiating mode noise is very big,
Noise reaches more than 75dB during one direct-current charging post full power operation.If being largely installed in cell and its institute of commercial center
The noise pollution brought is a very serious problem.
Utility model content
Based on this, it is necessary to larger noise problem can be produced during work for above-mentioned direct-current charging post, is carried
For it is a kind of can effectively reduce direct-current charging post operating noise be related to filled for the noise absorber and direct current of direct-current charging post
Electric stake.
A kind of noise absorber for direct-current charging post, including：
Noise extraction module, for extracting the noise sound wave produced by direct-current charging post body；
Analysis module, frequency, amplitude and phase for obtaining the noise sound wave；
There is module in sound wave, for the analysis result according to the analysis module, produce for offsetting the noise sound wave
The first sound wave, the frequency of first sound wave, amplitude be identical with the noise sound wave, and phase is opposite with the noise sound wave.
Above-mentioned noise absorber is produced by extracting, analyzing the noise sound wave produced by direct-current charging post by sound wave
Raw module produces frequency, amplitude identical with noise sound wave, phase and the first opposite sound wave of noise sound wave, so, first sound
Ripple just can cancel out each other with above-mentioned noise sound wave, to reach the purpose of the sound wave that abates the noise.
Wherein in an implementation method, the noise extraction module includes：
It is arranged on several sonic sensors of direct-current charging post body interior.
Wherein in an implementation method, described several sonic sensors are arranged in array.
Wherein in an implementation method, the analysis module includes：
First signal amplifier, the noise sound wave signal for the noise extraction module to be extracted amplifies, and obtains
First amplifies signal.
Analytic unit, for analyzing the first amplification signal amplified by first signal amplifier, to obtain
State frequency, amplitude and the phase of noise sound wave.
Wherein in an implementation method, sound wave occurs module to be included：
It is arranged at several sonic generators of direct-current charging post body exterior.
Wherein in an implementation method, the sound wave occurs module to be included：
Secondary signal amplifier, for first acoustic signals to be amplified.
Wherein in an implementation method, the noise absorber also includes：
Power module, is used to that module offer operating voltage occurs to the noise extraction module, analysis module and sound wave.
A kind of direct-current charging post, including direct-current charging post body and above-described noise absorber.
Above-mentioned direct-current charging post by noise absorber extract, analysis direct-current charging post produced by noise sound wave, and
Frequency, amplitude identical with noise sound wave, phase and the first opposite sound wave of noise sound wave are produced by sound wave generation module, this
Sample, first sound wave just can cancel out each other with above-mentioned noise sound wave, to reach the purpose of the sound wave that abates the noise.
Wherein in one embodiment, the direct-current charging post also includes being arranged at the direct-current charging post body side
Radiator fan.
Wherein in one embodiment, the silencing means includes：If being arranged on the direct-current charging post body exterior
Dry sonic sensor, is used to gather the noise sound wave produced by the direct-current charging post, and the sonic sensor is described in
Radiator fan is set；Several sonic generators of the direct-current charging post body exterior are arranged on, for producing for offsetting
First sound wave of the noise sound wave, the sonic generator is set close to the radiator fan.
Brief description of the drawings
Fig. 1 is the module diagram of the noise absorber that the utility model is used for direct-current charging post；
Fig. 2 is the module diagram of direct-current charging post of the present utility model.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
Present embodiment discloses a kind of noise absorber 100, and the noise absorber 100 is arranged on direct-current charging post
It is interior, and enter Row noise elimination to the direct-current charging post.
As shown in figure 1, above-mentioned noise absorber 100 includes noise extraction module 110, analysis module 120 and sound wave hair
Raw module 130, wherein, noise extraction module 110 is used to extract the noise sound wave produced by direct-current charging post.Analysis module 120
For analyzing frequency, amplitude and the phase of the noise sound wave produced by direct-current charging post, and draw analysis result；There is mould in sound wave
Block 130 is used for the analysis result according to the analysis module, for producing the first sound wave for offsetting the noise sound wave, institute
Frequency, the amplitude for stating the first sound wave are identical with the noise sound wave, and phase is opposite with the noise sound wave.Such first sound wave is just
Can be cancelled out each other with above-mentioned noise sound wave, reach the effect for abating the noise.
Specifically, above-mentioned noise extraction module 110 includes several sonic sensors 111, is arranged on direct-current charging post
Madial wall, usually, above-mentioned direct-current charging post has one or more radiator fan, in order to preferably gather radiator fan institute
The noise of generation, these several sonic sensors 111 are set close to radiator fan, and these sonic sensors are in array
Formula is arranged.
Above-mentioned analysis module 120 includes the first signal amplifier 121 and analytic unit 122, first signal amplifier 121
It is electrically connected with above-mentioned sonic sensor, the noise sound wave for the sonic sensor to be gathered carries out signal amplification, obtains
First amplifies signal, and above-mentioned analytic unit 122 receives the first amplification signal amplified by above-mentioned first amplifier 121, and
Frequency, amplitude and the phase of the first amplification signal are obtained, and then just can learn the noise sound produced by above-mentioned direct-current charging post
The analysis result of the frequency, amplitude and phase of ripple.
Above-mentioned sound wave occurs module 130 includes several sonic generators 131, and several sonic generators set direct current
Charging pile lateral wall, and these sonic generators close to above-mentioned direct-current charging post radiator fan set.These sound waves occur
Device 131 is electrically connected with above-mentioned analysis module 120, the analysis result of the analytic unit 122 of reception analysis module 120, and according to
The analysis result, produces the first sound wave for offsetting the noise sound wave, the frequency of first sound wave, amplitude to be made an uproar with described
Speech ripple is identical, and phase is opposite with the noise sound wave.
Above-mentioned sound wave occurs module 130 also includes secondary signal amplifier 132, the secondary signal amplifier 132 be used to by
First sound wave of above-mentioned generation carries out signal amplification, makes the power of the signal of its first sound wave and above-mentioned noise sound wave signal phase
When, so, because the frequency of the first sound wave, amplitude are identical with above-mentioned noise sound wave, phase with the noise sound wave conversely, according to
The principle of ripple, the first sound wave just can cancel out each other with above-mentioned noise sound wave, to reach the purpose for abating the noise.
Above-mentioned noise absorber 100 also includes power module 140, and the power module 140 can extract mould for above-mentioned noise
There is module 130 and operating voltage be provided in block 110, analysis module 120 and sound wave.The power module 140 can be carried according to above-mentioned noise
Voltage needed for modulus block 110, analysis module 120 and sound wave occur the real work of module 130 carries out unrestricted choice.If for example,
Operating voltage needed for extraction module 110, analysis module 120 and sound wave occur module 130 is 5V, then above-mentioned power module
140 voltages that 5V just may be selected are powered to it.If there is the institute of module 130 in extraction module 110, analysis module 120 and sound wave
The operating voltage for needing is 12V, then the voltage that above-mentioned power module 140 just may be selected 12V is powered to it.Power module
140 can also occur module 130 to extraction module 110, analysis module 120 and sound wave provides other magnitudes of voltage, the utility model pair
This is not construed as limiting.
Above-mentioned noise absorber 100 is by extracting, the noise sound wave produced by analysis direct-current charging post, and by sound
Ripple generation module 130 produces frequency, amplitude identical with noise sound wave, phase and the first opposite sound wave of noise sound wave, so, should
First sound wave just can cancel out each other with above-mentioned noise sound wave, to reach the purpose of the sound wave that abates the noise.
With reference to shown in Fig. 1 and Fig. 2, the preferred embodiment of the utility model second discloses a kind of direct-current charging post 10, should
Direct-current charging post 10 includes direct-current charging post body and above-described noise absorber 100.
Specifically, above-mentioned direct-current charging post 10 also includes radiator fan, and the radiator fan is arranged on above-mentioned direct-current charging post
The side of body, the radiator fan in present embodiment is arranged on the upper side of direct-current charging post body, for DC charging
Stake 10 is radiated.
Above-mentioned noise absorber 100 includes that noise extraction module 110, analysis module 120 and sound wave occur module 130,
Wherein, noise extraction module 110 be used for extract direct-current charging post 10 due to radiator fan work produced by noise sound wave.Point
Analysis module 120 is used to analyze frequency, amplitude and the phase of the noise sound wave produced by direct-current charging post 10, and draws analysis knot
Really；There is module 130 for the analysis result according to the analysis module in sound wave, for producing for offsetting the noise sound wave
The first sound wave, the frequency of first sound wave, amplitude be identical with the noise sound wave, and phase is opposite with the noise sound wave.
Specifically, above-mentioned noise extraction module 110 includes several sonic sensors 111, is arranged on direct-current charging post 10
Direct-current charging post body inside madial wall, and these several sonic sensors 111 in array arrangement close to dissipate
Hot-air fan is set.
Above-mentioned analysis module 120 includes the first signal amplifier 121 and analytic unit 122, first signal amplifier 121
It is electrically connected with above-mentioned sonic sensor 111, is put for the noise sound wave that the sonic sensor 111 is gathered to be carried out into signal
Greatly, the first amplification signal is obtained, above-mentioned analytic unit 122 receives the first amplification amplified by above-mentioned first amplifier 121
Signal, and frequency, amplitude and the phase of the first amplification signal are obtained, and then just can learn produced by above-mentioned direct-current charging post
The analysis result of the frequency, amplitude and phase of noise sound wave.
Above-mentioned sound wave occurs module 130 includes several sonic generators 131, and several sonic generators 131 are set
The lateral wall of direct-current charging post body exterior, and these sonic generators 131 are close to the radiation air of above-mentioned direct-current charging post 10
Fan is set.These sonic generators 131 are electrically connected with above-mentioned analysis module 120, receive the analytic unit of analysis module 120
122 analysis result, and according to the analysis result, produce the first sound wave for offsetting the noise sound wave, first sound
The frequency of ripple, amplitude are identical with the noise sound wave, and phase is opposite with the noise sound wave.
Above-mentioned sound wave occurs module 130 also includes secondary signal amplifier 132, the secondary signal amplifier 132 be used to by
First sound wave of above-mentioned generation carries out signal amplification, makes the power of the signal of its first sound wave and above-mentioned noise sound wave signal phase
When, so, because the frequency of the first sound wave, amplitude are identical with above-mentioned noise sound wave, phase with the noise sound wave conversely, according to
The principle of ripple, the first sound wave just can cancel out each other with above-mentioned noise sound wave, to reach the purpose for abating the noise.
Above-mentioned noise absorber 100 also includes power module 140, and the power module 140 can extract mould for above-mentioned noise
There is module 130 and operating voltage be provided in block 110, analysis module 120 and sound wave.The power module 140 can be carried according to above-mentioned noise
Voltage needed for modulus block 110, analysis module 120 and sound wave occur the real work of module 130 carries out unrestricted choice.If for example,
Operating voltage needed for extraction module 110, analysis module 120 and sound wave occur module 130 is 5V, then above-mentioned power module
140 voltages that 5V just may be selected are powered to it.If there is the institute of module 130 in extraction module 110, analysis module 120 and sound wave
The operating voltage for needing is 12V, then the voltage that above-mentioned power module 140 just may be selected 12V is powered to it.Power module
140 can also occur module 130 to extraction module 110, analysis module 120 and sound wave provides other magnitudes of voltage, the utility model pair
This is not construed as limiting.
Above-mentioned direct-current charging post 10 extracted by noise absorber 100, analyze noise produced by direct-current charging post 10
Sound wave, and by sound wave generation module 130 produce frequency, amplitude identical with noise sound wave, phase and noise sound wave it is opposite the
One sound wave, so, first sound wave just can cancel out each other with above-mentioned noise sound wave, to reach the purpose of the sound wave that abates the noise.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of noise absorber for direct-current charging post, it is characterised in that including：
Noise extraction module, for extracting the noise sound wave produced by direct-current charging post body；
Analysis module, frequency, amplitude and phase for obtaining the noise sound wave；
There is module in sound wave, for the analysis result according to the analysis module, produce for offset the noise sound wave the
One sound wave, the frequency of first sound wave, amplitude are identical with the noise sound wave, and phase is opposite with the noise sound wave.
2. the noise absorber for direct-current charging post according to claim 1, it is characterised in that the noise is extracted
Module includes：
It is arranged on several sonic sensors of direct-current charging post body interior.
3. the noise absorber for direct-current charging post according to claim 2, it is characterised in that described several sound
Wave sensor is arranged in array.
4. the noise absorber for direct-current charging post according to claim 1, it is characterised in that the analysis module
Including：
First signal amplifier, the noise sound wave signal for the noise extraction module to be extracted amplifies, and obtains first
Amplify signal,
Analytic unit, for analyzing the first amplification signal amplified by first signal amplifier, to obtain described making an uproar
The frequency of speech ripple, amplitude and phase.
5. the noise absorber for direct-current charging post according to claim 1, it is characterised in that sound wave occurs module
Including：
It is arranged at several sonic generators of direct-current charging post body exterior.
6. the noise absorber for direct-current charging post according to claim 1, it is characterised in that the sound wave occurs
Module includes：
Secondary signal amplifier, for first acoustic signals to be amplified.
7. the noise absorber for direct-current charging post according to claim 1, it is characterised in that the noise is eliminated
Device also includes：
Power module, is used to that module offer operating voltage occurs to the noise extraction module, analysis module and sound wave.
8. a kind of direct-current charging post, it is characterised in that including direct-current charging post body and according to any one of claim 1-7 institute
The noise absorber stated.
9. direct-current charging post according to claim 8, it is characterised in that the direct-current charging post also includes being arranged at described
The radiator fan of direct-current charging post body side.
10. direct-current charging post according to claim 9, it is characterised in that the noise absorber includes：
Several sonic sensors of the direct-current charging post body interior are arranged on, are used to gather the direct-current charging post and are produced
Raw noise sound wave, the sonic sensor is set close to the radiator fan；
Several sonic generators of the direct-current charging post body exterior are arranged on, for producing for offsetting the noise sound
First sound wave of ripple, the sonic generator is set close to the radiator fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621110154.7U CN206236424U (en) | 2016-10-10 | 2016-10-10 | For the noise absorber and direct-current charging post of direct-current charging post |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621110154.7U CN206236424U (en) | 2016-10-10 | 2016-10-10 | For the noise absorber and direct-current charging post of direct-current charging post |
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| CN206236424U true CN206236424U (en) | 2017-06-09 |
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ID=58982328
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| CN201621110154.7U Active CN206236424U (en) | 2016-10-10 | 2016-10-10 | For the noise absorber and direct-current charging post of direct-current charging post |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019103992A1 (en) * | 2019-02-18 | 2020-08-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Active noise reduction through anti-noise at charging stations for electric vehicles |
| DE102020209582A1 (en) | 2020-07-30 | 2022-02-03 | Volkswagen Aktiengesellschaft | Charging device and method for charging a high-voltage battery |
| CN114301135A (en) * | 2021-12-30 | 2022-04-08 | 西安领充创享新能源科技有限公司 | Charging and discharging control method and device for charging and discharging pile, main control unit and storage medium |
-
2016
- 2016-10-10 CN CN201621110154.7U patent/CN206236424U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019103992A1 (en) * | 2019-02-18 | 2020-08-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Active noise reduction through anti-noise at charging stations for electric vehicles |
| DE102020209582A1 (en) | 2020-07-30 | 2022-02-03 | Volkswagen Aktiengesellschaft | Charging device and method for charging a high-voltage battery |
| DE102020209582B4 (en) | 2020-07-30 | 2024-05-16 | Volkswagen Aktiengesellschaft | Charging device and method for charging a high-voltage battery |
| CN114301135A (en) * | 2021-12-30 | 2022-04-08 | 西安领充创享新能源科技有限公司 | Charging and discharging control method and device for charging and discharging pile, main control unit and storage medium |
| CN114301135B (en) * | 2021-12-30 | 2023-09-26 | 西安领充创享新能源科技有限公司 | Charging and discharging control method and device for charging and discharging pile, main control unit and storage medium |
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Legal Events
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230920 Address after: 9th Floor, Building A, No. 68 Fujingtian Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province, 215000 Patentee after: GCL Energy Storage Technology (Suzhou) Co.,Ltd. Address before: Room 125, building 2, 58 Zhonghui Road, Suzhou Industrial Park, Jiangsu Province 215000 Patentee before: SUZHOU GCL SYSTEM INTEGRATION TECHNOLOGY INDUSTRIAL APPLICATION RESEARCH INSTITUTE Co.,Ltd. Patentee before: GCL INTEGRATION TECHNOLOGY (SUZHOU) Co.,Ltd. Patentee before: GCL SYSTEM INTEGRATION TECHNOLOGY Co.,Ltd. |
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