CN213237751U - Total heat exchanger - Google Patents
Total heat exchanger Download PDFInfo
- Publication number
- CN213237751U CN213237751U CN202022137819.6U CN202022137819U CN213237751U CN 213237751 U CN213237751 U CN 213237751U CN 202022137819 U CN202022137819 U CN 202022137819U CN 213237751 U CN213237751 U CN 213237751U
- Authority
- CN
- China
- Prior art keywords
- sound
- heat exchanger
- total heat
- connecting cylinder
- collection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a total heat exchanger, which comprises a main machine shell and an air supply pipeline, wherein the air supply pipeline guides the airflow flowing out from an air outlet of the main machine to a corresponding indoor space, the total heat exchanger also comprises a connecting cylinder and an active noise reduction component, an airflow channel is formed in the connecting cylinder, one end of the connecting cylinder is connected with the main machine shell, the other end of the connecting cylinder is connected with the air supply pipeline, and the air outlet, the airflow channel and the air supply pipeline are communicated; the active noise reduction assembly comprises a main controller, a sound collection device and a sound production device, the main controller is communicated with the sound collection device and the sound production device respectively, the sound collection device and the sound production device are arranged on the connecting cylinder, and a sound receiving part of the sound collection device and a sound production part of the sound production device are located in the airflow channel. Realize falling the noise through the active noise reduction subassembly, the air outlet department of main frame casing is located through the connecting cylinder to the active noise reduction subassembly, improves the noise reduction effect, is convenient for install.
Description
Technical Field
The utility model relates to an air conditioning equipment technical field especially relates to a full heat exchanger with function of making an uproar is fallen.
Background
The total heat exchanger comprises a host and a plurality of air supply pipelines communicated with the host, and air outlets of the air supply pipelines extend into all rooms so as to realize air conditioning of the rooms. In the installation of a household user, the main machine is generally installed in a toilet or a kitchen, and the air outlet is arranged on a suspended ceiling of a living room, a horizontal type study room and other rooms. In order to improve the comfort of users, reducing the wind noise is a problem that is continuously studied by those skilled in the art.
Conventional solutions typically increase the silencing duct or reduce the wind speed. Increase amortization pipeline and need install before the furred ceiling is done, if the furred ceiling has already been done, then can't install amortization pipeline. And the wind speed is reduced, so that the air output is directly reduced, and the air supply effect is influenced.
The active noise reduction technology generates noise reduction sound waves with opposite phases to external noise through an active noise reduction system, so that the energy of the noise is neutralized, and the effect of reducing the noise is achieved. The active noise reduction system mainly comprises a sound collection device, a sound production device and a main controller, and the noise reduction principle is as follows: the sound acquisition device acquires a sound signal and sends the sound signal to the master controller; the main controller analyzes the received sound signals, filters signals which cannot be sensed by human ears to obtain noise signals, analyzes the position of a noise source according to the intensity of the sound signals collected by the sound collecting device, generates control signals and sends the control signals to the sound generating device; the sound generating device outputs a reverse signal having the same frequency as the noise signal and an opposite phase to the noise signal to the noise source position according to the received control signal. The reverse signal is offset from the noise signal, so that the noise signal transmitted to the human ear is effectively reduced, and the noise reduction effect is realized.
The application of active noise reduction systems in air conditioner equipment also belongs to a new application field, and most of the active noise reduction systems are in a theoretical research stage at present. Although the principle of active noise reduction is simple, the actual product has higher requirements on the structure of an active noise reduction system due to the complex sound field. The installation of each component in the active noise reduction system needs to be continuously and deeply researched so as to continuously optimize the noise reduction effect.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
In view of this, the utility model provides a total heat exchanger realizes falling the noise through the active noise reduction subassembly, and the air outlet department that the host computer casing was located through the connecting cylinder to the active noise reduction subassembly improves the noise reduction effect, is convenient for install.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
in some embodiments of this application, a total heat exchanger is provided, including host computer casing and blast pipe way, be equipped with the air outlet on the host computer casing, the blast pipe way will be followed the air current that the air outlet flows is directed to the interior space that corresponds, still includes:
the air outlet, the airflow channel and the air supply pipeline are communicated;
the active noise reduction assembly comprises a master controller, a sound collection device and a sound production device, wherein the master controller is communicated with the sound collection device and the sound production device respectively, the sound collection device and the sound production device are arranged on the connecting cylinder, and a sound receiving part of the sound collection device and a sound production part of the sound production device are arranged in the airflow channel.
In some embodiments of the present application, the connecting cylinder includes an upper cylinder and a lower cylinder which can be detachably connected, the sound generating device is arranged on the upper cylinder, and the sound collecting device is arranged on the lower cylinder.
In some embodiments of the present application, a sinking groove is formed in the upper barrel, an opening is formed in one end, close to the air outlet side of the connecting barrel, of the sinking groove, and the opening is communicated with the airflow channel;
the sound generating device comprises a loudspeaker shell and a loudspeaker arranged in the loudspeaker shell, the loudspeaker shell is arranged in the sinking groove, and the sound generating surface of the loudspeaker faces the opening.
In some embodiments of the present application, the windward side of the sinking groove is an inclined surface.
In some embodiments of the present application, the sound collection device includes a microphone holder and a microphone disposed on the microphone holder, and the microphone holder is connected to the lower tube.
In some embodiments of the present application, a windproof ball is disposed on the microphone holder, and the windproof ball wraps the microphone.
In some embodiments of the present application, a positioning hole and a first screw hole are provided on the bottom edge of the upper barrel, and the positioning hole is coaxial with the first screw hole; a positioning column is arranged on the top edge of the lower barrel, and a second screw hole is formed in the positioning column; the positioning column penetrates through the positioning hole, and screws penetrate through the first screw hole and the second screw hole.
In some embodiments of the present application, the sound collecting device is disposed upstream of the sound generating device along the direction of the air flow in the air flow channel.
In some embodiments of the present application, the sound receiving surface of the sound receiving portion and the sound generating surface of the sound generating portion are respectively perpendicular to the airflow direction in the airflow channel.
In some embodiments of the present application, sound-absorbing cotton is bonded to an inner wall of the connecting cylinder.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
the disclosed total heat exchanger of this application will initiatively fall the subassembly of making an uproar and directly locate the air outlet department of host computer casing through the connecting cylinder through the subassembly of making an uproar that falls in the initiative, rather than the terminal air outlet department of air supply pipeline, directly from noise source solution noise problem, improve the noise reduction effect. The connecting cylinder and the active noise reduction assembly can be used as a module to be additionally arranged on the total heat exchanger, so that the use flexibility is improved, and the problems of inconvenience in installation of a noise reduction pipeline and insufficient air supply amount caused by noise reduction by adopting the noise reduction pipeline or reducing the wind speed in the prior art are solved.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an enthalpy exchanger according to an embodiment;
FIG. 2 is a schematic structural view of an active noise reduction assembly assembled with a connector barrel according to an embodiment;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic structural view of a connector barrel according to an embodiment;
fig. 5 is an exploded view of a connector barrel according to an embodiment;
fig. 6 is a schematic structural view of a sound emitting device according to an embodiment;
fig. 7 is a schematic structural diagram of a sound collection device according to an embodiment.
Reference numerals:
10-a main machine shell;
20-connecting cylinder, 21-upper cylinder, 211-sink groove, 212-opening, 213-inclined surface, 214-positioning hole, 215-first screw hole, 22-lower cylinder, 221-positioning column, 222-second screw hole, 223-lower cylinder screw hole, 224-lower cylinder positioning hole, 23-airflow channel;
30-sound collection device, 31-microphone, 311-sound receiving surface, 32-microphone support, 321-microphone support positioning column, 322-microphone support screw hole and 33-windproof ball;
40-sound generating device, 41-loudspeaker, 411-sound generating surface and 42-loudspeaker shell.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1 to 3, the total heat exchanger includes a main housing 10 and an air supply duct (not shown), the main housing 10 is provided with an air outlet, and the air supply duct is configured to guide an air flow flowing out from the air outlet to a corresponding indoor space, so as to realize air conditioning of each room.
The total heat exchanger further comprises a connecting cylinder 20, wherein the connecting cylinder 20 is a hollow cylindrical structure, and an air flow channel 23 is formed in the connecting cylinder. One end of the connecting cylinder 20 is connected to the main body case 10, and the other end of the connecting cylinder 20 is connected to the air supply duct. The air outlet, the airflow channel 23 and the air supply pipeline are sequentially communicated, and airflow flowing out of the air outlet flows through the connecting cylinder 20 firstly and then flows out of the air supply pipeline.
This total heat exchanger still includes the active noise reduction subassembly, and it is used for reducing the air-out noise, improves user's use and experiences. The active noise reduction assembly includes a master controller, a sound collection device 30, and a sound generation device 40.
The sound collecting device 30 collects sound signals and sends the sound signals to the master controller; the main controller analyzes the received sound signals, filters signals which cannot be sensed by human ears to obtain noise signals, analyzes the position of a noise source according to the intensity of the sound signals collected by the sound collection device 30, generates control signals and sends the control signals to the sound production device 40; the sound emission device 40 outputs a reverse signal having the same frequency as the noise signal and an opposite phase to the noise signal to the noise source position in accordance with the received control signal. The reverse signal is offset from the noise signal, so that the noise signal transmitted to the human ear is effectively reduced, and the noise reduction effect is realized.
This application realizes the noise reduction effect through the subassembly of making an uproar of falling initiatively, has avoided adopting the amortization pipeline among the prior art or has reduced the problem that the amortization pipeline installation that brings when wind speed realizes making an uproar falls is inconvenient, the air supply volume is not enough.
The active noise reduction assembly is directly arranged at the air outlet of the main machine shell 10 through the connecting cylinder 20 instead of the tail end air outlet of the air supply pipeline, so that the noise problem is directly solved from the noise source, and the noise reduction effect is improved.
The connecting cylinder 20 can replace the air outlet flange of the original main machine housing 10, and the connecting cylinder 20 and the main machine housing 10 are integrated into a whole structure.
In practical use, the connecting cylinder 20 and the active noise reduction assembly can be added to the total heat exchanger as a module, so that the use flexibility is improved.
In some embodiments of the present application, referring to fig. 3 to 5, the connecting cylinder 20 includes an upper cylinder 21 and a lower cylinder 22, the upper cylinder 21 and the lower cylinder 22 are respectively of a half-cylinder structure, and the upper cylinder 21 and the lower cylinder 22 are detachably connected. The sounding device 40 is arranged on the upper cylinder 21, and the sound collecting device 30 is arranged on the lower cylinder 22.
The split structure of the connecting cylinder 20 facilitates the installation of the sound collection device 30 and the sound generating device 40. When the sound collecting device 30 is mounted on the lower tube 22, the sound generating device 40 is mounted on the upper tube 21, and the upper tube 21 and the lower tube 22 are combined.
In this embodiment, the bottom edge of the upper barrel 21 is provided with a positioning hole 214 and a first screw hole 215, and the positioning hole 214 is coaxial with the first screw hole 215; correspondingly, a positioning column 221 is arranged on the top edge of the lower cylinder 22, and a second screw hole 222 is arranged on the positioning column 221; the positioning column 221 is arranged in the positioning hole 214 in a penetrating manner, and screws are arranged in the first screw hole 215 and the second screw hole 222 in a penetrating manner, so that the upper barrel 21 and the lower barrel 22 can be detachably connected.
The side of the connecting cylinder 20 close to the main machine housing 10 is trumpet-shaped, which is beneficial to air flow.
The connecting cylinder 20 and the main machine housing 10 can be fixedly connected through a screw, a buckle, and the like.
In some embodiments of the present application, referring to fig. 4, the top of the upper barrel 21 is provided with a sinking groove 211, the sinking groove 211 is recessed toward the inner side of the airflow channel 23, one end of the sinking groove 211 close to the air outlet side of the connecting barrel 20 is provided with an opening 212, and the opening 212 is communicated with the airflow channel 23.
Referring to fig. 3 and 6, the sound generating device 40 includes a speaker housing 42 and a speaker 41 provided in the speaker housing 42. The speaker housing 42 is disposed in the sinking groove 211 to realize the fixed installation of the sound generating device 40. The sound emitting surface 411 of the speaker faces the opening 212, so that the speaker 41 can output signals into the airflow channel 23 conveniently, and the noise reduction effect is improved.
In this embodiment, the bottom of the sinking groove 211 is provided with a screw hole, the speaker housing 42 is correspondingly provided with a screw hole, and the speaker housing 42 is fixedly connected with the bottom of the sinking groove 211 through a screw.
The inner contour of the sinking groove 211 is matched with the outer contour of the speaker housing 42, so that the installation stability of the sound generating device 40 is improved.
In some embodiments of the present application, referring to fig. 3, the windward side of the sinking groove 211 is an inclined surface 413, and the inclined surface 213 can reduce wind resistance and facilitate the gas flow in the gas flow channel 23.
In some embodiments of the present application, referring to fig. 7, the sound collection device 30 includes a microphone holder 32 and a microphone 31 disposed on the microphone holder 32, and the microphone holder 32 is connected to the lower tube 22 to realize the fixed installation of the sound collection device 30.
In some embodiments of the present application, the microphone holder 32 is provided with a windproof ball 33, and the windproof ball 33 wraps the microphone 31, so as to improve the sound collecting effect of the microphone 31.
In this embodiment, the microphone support 32 is provided with a microphone support positioning column 321 and a microphone support screw hole 322, and correspondingly, the lower tube 22 is provided with a lower tube positioning hole 224 and a lower tube screw hole 223, the microphone support positioning column 321 is inserted into the lower tube positioning hole 224, screws are inserted into the microphone support screw hole 322 and the lower tube screw hole 223, and the microphone support 32 is fixedly mounted through a matching structure of the positioning column and the screws.
In some embodiments of the present application, referring to fig. 3, along the airflow direction in the airflow channel 23, the sound collection device 30 is disposed upstream of the sound generation device 40, which helps to improve the sound pickup effect and the noise reduction effect.
In some embodiments of the present application, with reference to fig. 3, in order to ensure better noise reduction effect and noise reduction stability, the sound receiving surface of the sound receiving portion of the sound collecting device 30 and the sound emitting surface of the sound emitting portion of the sound emitting device 40 are perpendicular to the airflow direction in the airflow channel 23. In the present embodiment, the sound receiving surface of the sound receiving portion refers to the sound receiving surface 311 of the diaphragm of the microphone 31, and the sound emitting surface of the sound emitting portion refers to the sound emitting surface 411 of the diaphragm of the speaker 41.
In some embodiments of the present application, sound absorbing cotton (not shown) is adhered to the inner wall of the connecting cylinder 20.
The active noise reduction assembly has a good noise reduction effect on low-frequency noise, but the noise reduction effect on high-frequency noise is general, and the sound absorption cotton can well absorb the high-frequency noise. Through the active noise reduction assembly and the matching use of sound absorption cotton, the noise reduction effect of the total heat exchanger is greatly improved.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a total heat exchanger, includes host computer casing and blast pipe way, be equipped with the air outlet on the host computer casing, the blast pipe way will be followed the air current that the air outlet flows leads to the interior space that corresponds, its characterized in that still includes:
the air outlet, the airflow channel and the air supply pipeline are communicated;
the active noise reduction assembly comprises a master controller, a sound collection device and a sound production device, wherein the master controller is communicated with the sound collection device and the sound production device respectively, the sound collection device and the sound production device are arranged on the connecting cylinder, and a sound receiving part of the sound collection device and a sound production part of the sound production device are arranged in the airflow channel.
2. The total heat exchanger according to claim 1,
the connecting cylinder comprises an upper cylinder and a lower cylinder which are detachably connected, the sounding device is arranged on the upper cylinder, and the sound collecting device is arranged on the lower cylinder.
3. The total heat exchanger according to claim 2,
the upper barrel is provided with a sinking groove, one end of the sinking groove close to the air outlet side of the connecting barrel is provided with an opening, and the opening is communicated with the airflow channel;
the sound generating device comprises a loudspeaker shell and a loudspeaker arranged in the loudspeaker shell, the loudspeaker shell is arranged in the sinking groove, and the sound generating surface of the loudspeaker faces the opening.
4. The total heat exchanger according to claim 3,
the windward side of the sinking groove is an inclined surface.
5. The total heat exchanger according to claim 2,
the sound collection device comprises a microphone support and a microphone arranged on the microphone support, and the microphone support is connected with the lower barrel.
6. Total heat exchanger according to claim 5,
the microphone support is provided with a windproof ball, and the windproof ball wraps the microphone.
7. The total heat exchanger according to claim 2,
a positioning hole and a first screw hole are formed in the bottom edge of the upper barrel, and the positioning hole is coaxial with the first screw hole;
a positioning column is arranged on the top edge of the lower barrel, and a second screw hole is formed in the positioning column;
the positioning column penetrates through the positioning hole, and screws penetrate through the first screw hole and the second screw hole.
8. Total heat exchanger according to any one of claims 1 to 7,
along the airflow direction in the airflow channel, the sound collection device is arranged at the upstream of the sound production device.
9. The total heat exchanger according to claim 8,
the sound receiving surface of the sound receiving part and the sound producing surface of the sound producing part are perpendicular to the airflow direction in the airflow channel respectively.
10. Total heat exchanger according to any one of claims 1 to 7,
the inner wall of the connecting cylinder is bonded with sound-absorbing cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022137819.6U CN213237751U (en) | 2020-09-25 | 2020-09-25 | Total heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022137819.6U CN213237751U (en) | 2020-09-25 | 2020-09-25 | Total heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213237751U true CN213237751U (en) | 2021-05-18 |
Family
ID=75878287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022137819.6U Active CN213237751U (en) | 2020-09-25 | 2020-09-25 | Total heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213237751U (en) |
-
2020
- 2020-09-25 CN CN202022137819.6U patent/CN213237751U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211695344U (en) | Air duct machine | |
| CN214259194U (en) | Air duct assembly, dust collecting station and dust collecting equipment | |
| CN210220142U (en) | Split type wall fresh air machine | |
| CN213237751U (en) | Total heat exchanger | |
| CN111397193A (en) | Active noise reduction equipment installed on air outlet equipment | |
| CN111927802B (en) | Air purification electric fan | |
| CN210624871U (en) | Broadband noise reduction device for fresh air equipment | |
| CN113077777A (en) | Ultra-thin low frequency ventilation acoustics sound absorption unit and sound absorber | |
| CN213395608U (en) | Total heat exchanger | |
| CN215112939U (en) | Air conditioner indoor unit and air conditioning system | |
| CN214837366U (en) | Machine and air conditioning system in spiral case, new trend power component, air conditioning | |
| CN213577771U (en) | Air pipe type air conditioner indoor unit | |
| CN210532658U (en) | Active noise reduction device | |
| CN212179186U (en) | Active noise reduction device and air conditioner | |
| CN213237742U (en) | Air pipe type air conditioner indoor unit | |
| CN210984264U (en) | General active noise reduction silencer | |
| CN213176182U (en) | Fan flow guide structure and fan | |
| CN213577770U (en) | Air pipe type air conditioner indoor unit | |
| CN214841203U (en) | Air conditioner indoor unit and air conditioning system | |
| CN208487769U (en) | A kind of active noise reducing device for fresh air system | |
| CN209101359U (en) | Kitchen ventilator | |
| CN110821545A (en) | Self-silencing axial flow fan ventilation system for tunnel | |
| CN213237740U (en) | Air pipe type air conditioner indoor unit | |
| CN213453921U (en) | Centrifugal fan, new trend module and air conditioner | |
| CN211342993U (en) | Self-silencing axial flow fan ventilation system for tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |