CN212902056U - Active noise reduction gas water heater - Google Patents
Active noise reduction gas water heater Download PDFInfo
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- CN212902056U CN212902056U CN202021523665.8U CN202021523665U CN212902056U CN 212902056 U CN212902056 U CN 212902056U CN 202021523665 U CN202021523665 U CN 202021523665U CN 212902056 U CN212902056 U CN 212902056U
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Abstract
The embodiment of the utility model provides a gas heater of making an uproar falls in initiative, include: the water heater comprises a water heater main body, a controller, a sound acquisition device and a loudspeaker; when the active noise reduction gas water heater works, the sound collection device can collect the sound wave at the fan of the water heater main body and send the sound wave to the controller, the controller determines that the intensity of the sound wave obtained after superposition with the sound wave is smaller than the target sound wave with preset intensity according to the sound wave, thus, the controller controls the loudspeaker to sound according to the target sound wave, namely, the intensity of the sound wave sent by the loudspeaker is the same as the intensity of the target sound wave, the sound wave sent by the loudspeaker can be superposed with the air outlet sound wave to obtain the sound wave with smaller intensity, the noise at the fan of the water heater main body is reduced, thereby the noise reduction effect of the gas water heater is better, in addition, compared with the existing passive noise reduction structure for reducing noise through noise reduction materials and the like, the active noise reduction function of the gas water heater can also reduce.
Description
Technical Field
The utility model relates to a gas heater technical field especially relates to a gas heater of making an uproar falls in initiative.
Background
The noise is a serious pollution source, has great influence on daily work and life of people, and along with the increasing improvement of living standard, the tolerance of people to the noise is smaller and smaller, and the noise reduction in daily life and work is not slow at all.
At present, when a gas water heater works, a fan generates noise, combustion generates noise and water flow generates noise, which already influences the daily life of people; the existing noise reduction methods are realized by a passive method, and certain effects are achieved by adding sound absorption cotton, reducing the rotating speed of a fan, reducing the water flow speed, optimizing a combustion path, optimizing a water flow path and the like, but good balance between performance improvement and noise reduction cannot be achieved, and the noise reduction effect is poor.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a purpose provides a gas heater of making an uproar falls in initiative to reduce the noise of gas heater at the during operation more effectively, thereby make gas heater's noise reduction effect better. The specific technical scheme is as follows:
the embodiment of the utility model provides a gas heater of making an uproar falls in initiative, include: the water heater comprises a water heater main body, a controller, a sound acquisition device and a loudspeaker;
the loudspeaker is in communication connection with the controller, and the sound collection device is in communication connection with the controller;
the sound collection device is arranged on the water heater main body and is used for collecting first sound waves at a fan of the water heater main body and sending the first sound waves to the controller;
a first sound outlet is formed in a shell of the water heater main body, the distance between the first sound outlet and the fan is smaller than a preset distance, the loudspeaker is installed at the first sound outlet, and the loudspeaker produces sound outside the water heater main body through the first sound outlet;
the controller is mounted on the water heater body.
Optionally, the active noise reduction gas water heater includes: at least two sound collection devices;
each sound collection device is respectively used for collecting a first sound wave at a fan of the water heater main body and a second sound wave at a heat exchanger of the water heater main body, and sending the first sound wave and the second sound wave to the controller.
Optionally, the active noise reduction gas water heater includes: at least two speakers;
still be provided with out the second phonate hole on the shell of water heater main part, the second phonate hole with the distance between the heat exchanger of water heater main part is less than predetermine the distance, each the speaker is installed respectively first phonate hole second phonate hole department, and pass through respectively first phonate hole second phonate hole to the external sound production of water heater main part.
Optionally, the controller is fixedly installed in a control box of the gas water heater.
Optionally, the controller is installed at a first position, where: except the pipeline position of the water heater main body and the position of the water heater main body with large temperature change during working.
Optionally, the sound collection device is mounted on the fan and the heat exchanger of the water heater main body.
Optionally, the connection mode of the sound collection device and the water heater main body is any one of buckle connection, screw connection and magnetic force adsorption connection.
Optionally, the speaker is any one of a cone speaker, a dome speaker, or a flat panel speaker.
Optionally, the water heater further comprises a support structure, the support structure is fixed on the inner side wall of the water heater main body, and the loudspeaker is fixedly arranged on the support structure.
Optionally, the power supply of the controller is provided by the gas water heater.
The embodiment of the utility model provides a gas heater of making an uproar falls in initiative, include: the water heater comprises a water heater main body, a controller, a sound acquisition device and a loudspeaker; the loudspeaker is in communication connection with the controller, and the sound acquisition device is in communication connection with the controller; the sound collection device is arranged on the water heater main body and used for collecting first sound waves at a fan of the water heater main body and sending the first sound waves to the controller; a first sound outlet hole is formed in a shell of the water heater main body, the distance between the first sound outlet hole and the fan is smaller than a preset distance, the loudspeaker is installed at the first sound outlet hole, and the loudspeaker produces sound outside the water heater main body through the first sound outlet hole; the controller is installed on the water heater main body.
When the active noise reduction gas water heater provided by the embodiment of the utility model works, the sound collection device can collect the sound wave at the fan of the water heater main body and send the sound wave to the controller, the controller determines the target sound wave with the intensity smaller than the preset intensity after the sound wave is superposed with the sound wave according to the sound wave, thus, after the controller controls the loudspeaker to produce sound according to the target sound wave, namely, the intensity of the sound wave emitted by the loudspeaker is the same as that of the target sound wave, so that the sound wave emitted by the loudspeaker can be superposed with the outlet sound wave to obtain a sound wave with lower intensity, the noise at the fan of the water heater main body is reduced, therefore, the noise reduction effect of the gas water heater is better, in addition, compared with the existing passive noise reduction structure which reduces noise through noise reduction materials and the like, the active noise reduction function of the active noise reduction water heater main body can also reduce low-frequency noise better, and the noise reduction performance of the active noise reduction gas water heater is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an active noise reduction gas water heater provided by an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another active noise reduction gas water heater provided by the embodiment of the present invention.
Reference numerals:
1 controller, 2 sound collection system, 3 speakers, 4 water heater main parts.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides an active noise reduction gas water heater, including: the water heater comprises a water heater main body 4, a controller 1, a sound acquisition device 2 and a loudspeaker 3; the loudspeaker 3 is in communication connection with the controller 1, and the sound collection device 2 is in communication connection with the controller 1; the sound collection device 2 is mounted on the water heater main body 4, and the sound collection device 2 is used for collecting a first sound wave at a fan of the water heater main body 4 and sending the first sound wave to the controller 1; a first sound outlet is formed in a shell of the water heater main body 4, the distance between the first sound outlet and the fan is smaller than a preset distance, the loudspeaker 3 is installed at the first sound outlet, and the loudspeaker 3 produces sound outside the water heater main body 4 through the first sound outlet; the controller 1 is mounted on the water heater main body.
The communication connection may be realized by a communication cable or by a wireless network signal, and is not particularly limited herein. The sound collection device 2 may be a microphone, or the like for collecting sound, and the present application does not specifically limit the specific form of the sound collection device 2.
The sound collection device 2 and the loudspeaker 3 can be connected through a buckle in a clamped mode, connected through screws, bonded through viscous materials, and installed in a magnetic adsorption mode or other modes at the fan of the water heater main body 4.
The controller 1 may be an existing controller 1 purchased in the market, or the controller 1 may be programmed by an existing WeChat processor. The controller 1 having the functions of the embodiment of the present invention is a prior art, and will not be described in detail here.
In this embodiment, the distance between the first sound outlet and the fan is less than the preset distance, wherein the range of the preset distance is 0-30mm, specifically, in practical application, the closer the sound outlet is to the fan, the more obvious the noise emitted by the fan through the sound outlet is, the more accurate the noise collection of the sound collection device 2 is, the more accurate the target sound wave is judged to be obtained through the controller 1, the more accurate the target sound wave played by the speaker 3, and further the noise reduction effect of the active noise reduction gas water heater provided by this embodiment is better.
Can preset a predetermined intensity in controller 1, this predetermined intensity is for the noise that the gas heater after falling the noise voluntarily sent, and the aforesaid intensity of predetermineeing can be 44 decibels, and the human is in the environment that noise intensity is less than 44 decibels, and experience is good, certainly, predetermines the arbitrary value that intensity can be below 44 decibels, and it is required to explain, the embodiment of the utility model provides an, the second intensity of predetermineeing also can be other values, for example 45 decibels, 50 decibels etc. that are greater than 44 decibels, only in actual conditions, is less than 44 decibels, and the human has the experience of preferred.
It should be noted that, the controller 1 determines the target sound wave through the sound wave collected by the sound collection device 2, and controls the speaker 3 to generate sound according to the target sound wave, so as to offset the air outlet noise of the air outlet device, and the control process may be implemented according to the following steps:
step 1: converting sound waves collected by the sound collection device 2 into analog noise signals through a microphone, and converting the analog noise signals into digital noise signals through an analog-to-digital conversion module;
step 2: the digital noise signal is processed by an adaptive filter module to generate a secondary digital sound source signal;
and step 3: the secondary digital sound source signal generates a secondary amplified digital sound source signal through a signal gain module;
and 4, step 4: and converting the secondary amplified digital sound source signal into a secondary amplified analog sound source signal through a digital-to-analog conversion module, obtaining a sound wave signal with the phase opposite to that of the secondary amplified analog sound source signal, and taking the sound wave signal as a target sound wave.
Or, a person skilled in the art may acquire a plurality of sound waves by using the sound acquisition device 2 through a single variable control method, obtain a target sound wave intensity that can cancel noise at the fan of the gas water heater at this time by using a single sound wave as a fixed variable until a target sound wave intensity corresponding to each sound wave among the plurality of sound waves is obtained, establish a data model between the sound wave intensity and the target sound wave intensity, and program the data model into the controller 1 to implement the above control process. In the test process, along the sound hole position that the fan of gas heater fan corresponds, can set up the second group sound collection system 2 behind speaker 3, through the noise intensity that the second group sound collection system 2 gathered, as the effect of judging the sound wave that speaker 3 sent according to the target sound wave offsets the sound wave that sound collection system 2 gathered. In the embodiment of the present invention, the preset intensity is 44 db, and a human experiences well in an environment where the noise intensity is less than 44 db, but certainly, the preset intensity may be any value below 44 db, it should be noted that what is to be protected by the embodiment of the present invention is noise reduction equipment and an implementation principle of the noise reduction equipment, and theoretically, the scheme of controlling noise according to the target intensity of the present invention can be implemented with the preset intensity being any value, but in an actual situation, the preset intensity is less than 44 db, and a human has a better experience.
The embodiment of the utility model provides an active noise reduction gas water heater during operation, sound collection system 2 can gather the sound wave of the fan department of water heater main part 4 and send to controller 1, controller 1 determines the target sound wave that the intensity of the sound wave that obtains after superposing with this sound wave is less than preset intensity according to this sound wave, thus, after controller 1 control speaker 3 sounded according to the target sound wave, namely the intensity of the sound wave that speaker 3 sent is the same with the intensity of target sound wave, thereby, the sound wave that speaker 3 sent can obtain the sound wave that intensity is less after superposing with the air-out sound wave, reduce the noise of the fan department of water heater main part 4, thereby make gas water heater's noise reduction effect better, in addition, compare in the passive noise reduction structure of making an uproar through noise reduction material etc. now, the active noise reduction function of active noise reduction water heater main part, can also reduce low frequency noise better, the noise reduction performance of the water heater main body is further improved.
In one embodiment, the active noise reduction gas water heater comprises: at least two sound collection devices 2; each sound collection device 2 is used for collecting a first sound wave at a fan of the water heater main body 4, collecting a second sound wave at a heat exchanger of the water heater main body 4, and sending the first sound wave and the second sound wave to the controller 1. In this implementation, can gather the noise of gas heater fan department and the noise of gas heater heat exchanger department simultaneously to further improve the noise reduction effect to gas heater.
In one embodiment, the active noise reduction gas water heater comprises: at least two loudspeakers 3;
still be provided with out the second phonate hole on the shell of water heater main part 4, the second phonate hole with the distance between the heat exchanger of water heater main part 4 is less than predetermine the distance, each speaker 3 is installed respectively first phonate hole second phonate hole department, and pass through respectively first phonate hole second phonate hole to the outer sound production of water heater main part 4. Specifically, the position of above-mentioned second phonate hole sets up the same in the position setting principle in first phonate hole, specifically to this embodiment, for the better falls the noise to gas heater, sets up two speakers 3 respectively in the place that gas heater noise is the biggest and come to initiatively fall and make an uproar, further improves the noise reduction effect to gas heater.
In a specific embodiment, the controller 1 is fixedly installed in a control box of the gas water heater. The controller 1 can also be installed in any position inside or outside the shell of the gas water heater, and the embodiment of the present invention does not limit the specific installation position of the controller 1. In another embodiment, the controller 1 may also be a control board of the gas water heater, that is, the controller 1 is integrated on the control board of the gas water heater, so that the space occupied by the controller 12 can be reduced, and the structure of the gas water heater can be more compact.
In one embodiment, the controller 1 is installed in a first position: except for the pipeline position of the water heater main body 4 and the position of the water heater main body 4 with large temperature change during work. Therefore, the controller 1 can not affect the internal pipeline of the gas water heater, so that the internal space of the gas water heater is compact, and the controller 1 needs to be placed in an area which does not affect the pipeline and has small temperature change when the gas water heater works, so that the service life of the controller 1 is prolonged.
In one embodiment, the sound collection device 2 is mounted on a fan and a heat exchanger of the water heater body 4.
In a specific embodiment, the connection mode of the sound collection device 2 and the water heater main body 4 is any one of a snap connection, a screw connection and a magnetic force adsorption connection.
In a specific embodiment, the speaker 3 is of the cone speaker 3, dome speaker 3 or flat panel speaker 3.
In a specific embodiment, the water heater further comprises a support structure fixed on the inner side wall of the water heater main body 4, and the loudspeaker 3 is fixedly arranged on the support structure. Specifically, the supporting structure may be a frame structure, or a supporting plate-like or column-like structure, and in this embodiment, the supporting structure needs to be set in consideration of its own size and the actual position required for noise reduction, for example, when the speaker 3 is required to be 2mm away from the sound outlet, a 2mm supporting frame or a supporting plate-like or column-like structure may be provided, and the supporting structure is connected to the speaker 3 and fixed on the outer side wall or the inner side wall of the sound outlet of the gas water heater.
In one embodiment, the power supply of the controller 1 is provided by the gas water heater.
The embodiment of the utility model provides a gas heater of making an uproar falls in initiative, include: the water heater comprises a water heater main body 4, a controller 1, a sound acquisition device 2 and a loudspeaker 3; the loudspeaker 3 is in communication connection with the controller 1, and the sound collection device 2 is in communication connection with the controller 1; the sound collection device 2 is installed on the water heater main body 4, and the sound collection device 2 is used for collecting first sound waves at a fan of the water heater main body 4 and sending the first sound waves to the controller 1; a first sound outlet is formed in the shell of the water heater main body 4, the distance between the first sound outlet and the fan is smaller than a preset distance, the loudspeaker 3 is installed at the first sound outlet, and the loudspeaker 3 produces sound outside the water heater main body 4 through the first sound outlet; the controller 1 is mounted on the water heater body. The controller 1 can be placed in a control box of the gas water heater, the internal pipelines of the gas water heater are more, the space is compact, and the controller 1 needs to be placed in a region which does not influence the pipelines and has small temperature change when the gas water heater works; the power supply of the controller 1 can be provided by a gas water heater or an independent power supply. The sound collection device 2 is placed in a place with high noise, as shown in fig. 1 and fig. 2, the positions are a fan and a heat exchanger (there are water flow noise and air flow noise), and the fixing mode can be: any one of a buckle, a screw and magnetic force adsorption, and the number of the sound collection devices 2 is set according to a specific scheme. The loudspeaker 3 is also positioned at the fan and the heat exchanger, a supporting structure of the loudspeaker 3 is arranged in the gas water heater, and the gas water heater is provided with a corresponding sound outlet; the kind of the speaker 3 is not limited, and may be a cone speaker 3, a dome speaker 3, a flat panel speaker 3, or the like; the number of speakers 3 is determined according to the structural space and the noise reduction effect. The active noise reduction function reduces the noise of the gas water heater during working, and can bring a more quiet and comfortable living environment.
The embodiment of the utility model provides an active noise reduction gas water heater during operation, sound collection system 2 can gather the sound wave of the fan department of water heater main part 4 and send to controller 1, controller 1 determines the target sound wave that the intensity of the sound wave that obtains after superposing with this sound wave is less than preset intensity according to this sound wave, like this, after controller 1 control speaker 3 produced according to the sound of target sound wave, the intensity of the sound wave that speaker 3 sent is the same with the intensity of target sound wave, thereby, the sound wave that speaker 3 sent can obtain the sound wave that intensity is less after superposing with the air-out sound wave, reduce the noise of the fan department of water heater main part 4, thereby make gas water heater's noise reduction effect better, in addition, compare in the passive noise reduction structure of existing noise reduction through noise reduction material etc., the active noise reduction function of active noise reduction water heater, can also reduce low frequency noise better, the noise reduction performance of the gas water heater is further improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. An active noise reduction gas water heater, comprising: the water heater comprises a water heater main body, a controller, a sound acquisition device and a loudspeaker;
the loudspeaker is in communication connection with the controller, and the sound collection device is in communication connection with the controller;
the sound collection device is arranged on the water heater main body and is used for collecting first sound waves at a fan of the water heater main body and sending the first sound waves to the controller;
a first sound outlet is formed in a shell of the water heater main body, the distance between the first sound outlet and the fan is smaller than a preset distance, the loudspeaker is installed at the first sound outlet, and the loudspeaker produces sound outside the water heater main body through the first sound outlet;
the controller is mounted on the water heater body.
2. The active noise reducing gas water heater of claim 1, comprising: at least two sound collection devices;
each sound collection device is respectively used for collecting a first sound wave at a fan of the water heater main body and a second sound wave at a heat exchanger of the water heater main body, and sending the first sound wave and the second sound wave to the controller.
3. The active noise reducing gas water heater of claim 1, comprising: at least two speakers;
still be provided with out the second phonate hole on the shell of water heater main part, the second phonate hole with the distance between the heat exchanger of water heater main part is less than predetermine the distance, each the speaker is installed respectively first phonate hole second phonate hole department, and pass through respectively first phonate hole second phonate hole to the external sound production of water heater main part.
4. The active noise reduction gas water heater of claim 1, wherein the controller is fixedly mounted within a control box of the gas water heater.
5. The active noise reduction gas water heater of claim 1, wherein the controller is mounted in a first position that is: except the pipeline position of the water heater main body and the position of the water heater main body with large temperature change during working.
6. The active noise reduction gas water heater of claim 1, wherein the sound collection device is mounted on a fan and a heat exchanger of the water heater body.
7. The active noise reduction gas water heater according to claim 1, wherein the sound collection device is connected to the water heater main body in any one of a snap connection, a screw connection and a magnetic force absorption connection.
8. The active noise reduction gas water heater of claim 1, wherein the speaker is of the cone speaker, dome speaker or flat panel speaker variety.
9. The active noise reduction gas water heater of claim 1, further comprising a support structure fixed to an inside wall of the water heater body, the speaker being fixedly disposed on the support structure.
10. The active noise reducing gas water heater of claim 1, wherein power to the controller is provided by the gas water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021523665.8U CN212902056U (en) | 2020-07-29 | 2020-07-29 | Active noise reduction gas water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021523665.8U CN212902056U (en) | 2020-07-29 | 2020-07-29 | Active noise reduction gas water heater |
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| CN212902056U true CN212902056U (en) | 2021-04-06 |
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| CN202021523665.8U Active CN212902056U (en) | 2020-07-29 | 2020-07-29 | Active noise reduction gas water heater |
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