CN113099330A - High-efficient heat dissipation type active speaker - Google Patents
High-efficient heat dissipation type active speaker Download PDFInfo
- Publication number
- CN113099330A CN113099330A CN202110368781.XA CN202110368781A CN113099330A CN 113099330 A CN113099330 A CN 113099330A CN 202110368781 A CN202110368781 A CN 202110368781A CN 113099330 A CN113099330 A CN 113099330A
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- Prior art keywords
- box body
- bending
- heat dissipation
- arc
- piece
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
Abstract
The invention particularly discloses a high-efficiency heat dissipation type active sound box which comprises a box body, a loudspeaker arranged on the front side surface of the box body and a power amplifier module connected with the loudspeaker; the rear side surface of the box body is provided with an opening; a supporting seat is arranged in the box body close to the opening; the supporting seat is provided with an installation frame; a lug is arranged at one end of the mounting rack; the lug is provided with a rotating frame; the other end of the mounting rack is provided with a mounting workpiece; a first bending piece is arranged on the mounting workpiece; a second bending part is movably arranged on the first bending part; a fixing plate is arranged at one end, far away from the mounting workpiece, of the second bending piece; the fixed plate is provided with a fan corresponding to the opening; and a wind collecting cone is arranged between the fan and the rotating frame in a matching way. This audio amplifier can change the contained angle of rotatory frame and supporting seat upper surface in order to improve the radiating efficiency through adjusting the relative position of the first piece of bending and the second piece of bending, and it has easy operation, and it is convenient to adjust, is fit for using widely.
Description
Technical Field
The invention relates to the technical field of sound boxes, in particular to a high-efficiency heat-dissipation active sound box.
Background
An Active Speaker (Active Speaker) is also called as an Active Speaker. Usually refers to a sound box with a power amplifier, such as a monitoring sound box, a multimedia sound box, an active ultra-low sound box, and some new home theater active sound boxes. The active sound box is internally provided with the power amplifier circuit, so that a user does not need to consider the problem of matching with the amplifier, and the active sound box is convenient to be directly driven by an audio signal with lower level. In addition, because the electronic frequency divider which is arranged in front of the amplifier for frequency division and each power amplifier are only responsible for amplifying a section of audio signals with frequency are arranged in the sound box, the efficiency of the amplifier can be higher and the distortion can be relatively smaller.
The sound box is used for converting audio frequency electric energy into corresponding sound energy and radiating the sound energy to a space, and is an extremely important component of a sound system, because the sound box is used for converting an electric signal into a sound signal for being directly listened by ears of people, and because the existing internal circuit board of the active sound box has high integration level and small internal heat dissipation space, heat generated by a loudspeaker and electronic components in the active sound box cannot be timely discharged when the sound box works for a long time, the sound box stays in the sound box for a long time, the internal temperature of the active sound box is rapidly increased, the service life of the active sound box is influenced, and in serious cases, the internal circuit board can be burnt.
Therefore, we propose an active speaker with high efficiency heat dissipation to solve the above existing problems.
Disclosure of Invention
Aiming at the defects of small heat dissipation space and low heat dissipation efficiency of the existing sound box in the background technology, the invention provides a high-efficiency heat dissipation type active sound box for overcoming the defects.
A high-efficiency heat-dissipation active sound box comprises a box body, a loudspeaker arranged on the front side surface of the box body and a power amplifier module connected with the loudspeaker;
the rear side surface of the box body is provided with an opening; a supporting seat is arranged in the box body close to the opening; the supporting seat is provided with an installation frame; a lug is arranged at one end of the mounting rack; the lug is provided with a rotating frame; the other end of the mounting rack is provided with a mounting workpiece; a first bending piece is arranged on the mounting workpiece; a second bending part is movably arranged on the first bending part; a fixing plate is arranged at one end, far away from the mounting workpiece, of the second bending piece; the fixed plate is provided with a fan corresponding to the opening; and a wind collecting cone is arranged between the fan and the rotating frame in a matching way.
Preferably, one end of the first bending piece is connected with the mounting workpiece through at least two rivets; the other end of the first bending piece is provided with a limiting clamping column.
Preferably, the second bending part comprises a horizontal section and an arc-shaped section which are integrally formed; one end of the horizontal section is connected with one end of the arc-shaped section, so that the second bending piece is of an L-shaped structure.
As a preferred scheme, one end of the horizontal section, which is far away from the arc-shaped section, is detachably provided with a connecting sheet; the fixing plate is fixed on the connecting piece; the fixing plate is perpendicular to the horizontal section.
As a preferred scheme, a comb-shaped arc groove with a tiger mouth obliquely upwards is formed in the arc-shaped section; the limiting clamping column is used for being clamped on a tiger mouth of the comb-shaped arc groove.
As a preferred scheme, the horizontal section is provided with an air deflector which is back to the arc section; the air deflector is arranged right behind the fan; in the heat dissipation process, a heat dissipation channel is formed between the air deflector and the rear side panel of the box body.
As a preferred scheme, a clamping groove is formed in one end, far away from the arc-shaped section, of the air deflector.
As a preferred scheme, a clamping block is arranged on the rear side panel of the box body; when the sound box is in a non-working state, the air deflector is attached to the rear side panel of the box body; the clamping block is clamped in the clamping groove.
As a preferred scheme, the upper edge of the rear side surface of the box body close to the opening is provided with an anti-backflow inclined plate; the anti-backflow inclined plate inclines towards the inside of the box body; the anti-backflow inclined plate, the air deflector and the rear side panel of the box body jointly form a heat dissipation channel.
As a preferred scheme, the bottom of the rotating frame is provided with a limiting stop block; when the rotating frame is perpendicular to the supporting seat, the limiting blocking block is attached to the side face of the supporting seat.
Has the advantages that: in the invention, the support seat is provided with the mounting frame, one end of the mounting frame is provided with the lug, the lug is provided with the rotating frame, the other end of the mounting frame is provided with the mounting workpiece, the mounting workpiece is provided with the first bending piece, the first bending piece is movably provided with the second bending piece, in the using process, the position of the fan can be adjusted by adjusting the relative position of the first bending piece and the second bending piece, so that the inclination degrees of the wind collecting cone and the rotating frame are adjusted to achieve different heat dissipation effects, further, the anti-backflow inclined plate, the wind guide plate and the rear side panel of the box body jointly form a heat dissipation channel, when the temperature of the box body is higher, the included angle between the rotating frame and the upper surface of the support seat is reduced by adjusting, so that the heat dissipation channel is increased; the loudspeaker box has the advantages of being simple in operation, convenient to adjust and high in heat dissipation efficiency, and is suitable for popularization and use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a first bending member of the present invention.
Fig. 3 is a schematic view of a second bending member according to the present invention.
FIG. 4 is an enlarged view of the invention at A in FIG. 1.
In the figure: 1-a box body; 2-a loudspeaker; 3-a support seat; 4-a mounting frame; 5-a bump; 6, mounting a workpiece; 7-rotating the frame; 8-a first bending member; 9-a second bending member; 10-fixing the plate; 11-a fan; 12-wind collecting cone; 13-a wind deflector; 14-anti-backflow sloping plate; 15-heat dissipation channels; 16-a limit stop block; 17-a handle; 18-rivets; 19-limiting clamp column; 20-connecting pieces; 21-card slot; 22-a fixture block; 901-horizontal segment; 902-arc segment; 903-comb-shaped arc groove.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the present invention, it should be noted that the terms "front", "back", "upper", "lower", "top", "bottom", "inner", "outer", "far", "close", "inclined", "one end", "the other end", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the invention provides a high-efficiency heat dissipation type active sound box, which comprises a box body 1, a loudspeaker 2 arranged on the front side surface of the box body 1, and a power amplifier module connected with the loudspeaker 2; the rear side surface of the box body 1 is provided with an opening; a supporting seat 3 is arranged in the box body 1 close to the opening; the support seat 3 is provided with an installation frame 4; a lug 5 is arranged at one end of the mounting frame 4; the lug 5 is provided with a rotating frame 7; the other end of the mounting rack 4 is provided with a mounting workpiece 6; a first bending piece 8 is arranged on the mounting workpiece 6; a second bending part 9 is movably arranged on the first bending part 8; a fixing plate 10 is arranged at one end of the second bending part 9 far away from the mounting workpiece 6; the fixed plate 10 is provided with a fan 11 corresponding to the opening; a wind collecting cone 12 is arranged between the fan 11 and the rotating frame 7 in a matching way; this audio amplifier can change the contained angle of rotatory frame and supporting seat upper surface in order to improve the radiating efficiency through adjusting the relative position of the first piece of bending and the second piece of bending, and it has easy operation, and it is convenient to adjust, is fit for using widely.
In some examples of the invention, one end of the first bending member 8 is connected to the mounting workpiece 6 by at least two rivets 18; the other end of the first bending piece 8 is provided with a limiting clamping column 19; by adopting the structure, the fixed connection between the first bending piece 8 and the installation workpiece 6 can be realized, the number of the rivets 18 can be two or three, the defect that the first bending piece 8 rotates relative to the installation workpiece 6 in the adjusting process can be avoided by utilizing the rivets, and the disassembly and the assembly are more convenient.
In some examples of the invention, the second bending member 9 comprises a horizontal section 901 and an arc section 902 which are integrally formed; one end of the horizontal section 901 is connected with one end of the arc-shaped section 902, so that the second bending part 9 is in an L-shaped structure; a connecting sheet 20 is detachably arranged at one end of the horizontal section 901, which is far away from the arc-shaped section 902; the fixing plate 10 is fixed on the connecting piece 20; the fixing plate 10 is arranged perpendicular to the horizontal section 901; the arc-shaped section 902 is provided with a comb-shaped arc groove 903 with a tiger mouth obliquely upwards; the limiting clamping column 19 is used for clamping the jaw of the comb-shaped arc groove 903; the horizontal section 901 is provided with an air deflector 13 which is back to the arc-shaped section 902; the air deflector 13 is arranged right behind the fan 11; in the heat dissipation process, a heat dissipation channel 15 is formed between the air deflector 13 and the rear side panel of the box body 1; the upper edge of the rear side surface of the box body 1 close to the opening is provided with an anti-backflow inclined plate 14; the anti-backflow sloping plate 14 inclines towards the interior of the box body 1; the anti-backflow inclined plate 14, the air deflector 13 and the rear side panel of the box body 1 form a heat dissipation channel 15 together; by adopting the scheme, the inclination angle of the rotating frame 7 is changed by clamping the limiting clamping column 19 on different web openings of the comb-shaped arc groove 903, the arc-shaped section 902 is arranged in an arc shape, the clamping connection between the limiting clamping column 19 and the web openings is not influenced when the rotating frame 7 rotates, and the web openings are arranged upwards in an inclined manner, so that after the angle is adjusted, the limiting clamping column 19 can be ensured to be always clamped in the appointed web opening groove under the action of the gravity of the second bending piece 9 and the fan 11, the adjustment is simple and convenient, and the heat dissipation efficiency is improved by adjusting the width of the heat dissipation channel 15; the anti-backflow inclined plate 14 can prevent hot air blown by the fan 11 from flowing back to the inside of the box body 1, the air guide plate 13 is arranged back to the arc-shaped section 902, an air inlet and an air outlet can be separated, the temperature of the inlet air is close to room temperature, and the heat dissipation efficiency is further improved.
In some examples of the present invention, a clamping groove 21 is formed at an end of the air deflector 13 away from the arc-shaped section 902; a clamping block 22 is arranged on the rear side panel of the box body 1; when the sound box is in a non-working state, the air deflector 13 is attached to the rear side panel of the box body 1; the fixture block 22 is clamped in the clamping groove 21, and by adopting the scheme, the volume occupied by the whole sound box is reduced, and the sound box is more convenient to carry.
In some examples of the invention, the bottom of the rotating frame 7 is provided with a limit stop 16; when the rotating frame 7 is perpendicular to the supporting seat 3, the side faces of the limiting blocking block 16 and the supporting seat 3 are mutually attached, and by adopting the scheme, the rotating frame 7 can be prevented from directly touching the loudspeaker 2 in the adjusting process.
In some examples of the invention, a handle 17 is provided on the top of the cabinet 1 to facilitate carrying of the enclosure.
In the invention, the support base 3 is provided with the mounting frame 4, one end of the mounting frame 4 is provided with the lug 5, the lug 5 is provided with the rotating frame 7, the other end of the mounting frame 4 is provided with the mounting workpiece 6, the mounting workpiece 6 is provided with the first bending piece 8, the first bending piece 8 is movably provided with the second bending piece 9, in the using process, the position of the fan 11 can be adjusted by adjusting the relative position of the first bending piece 8 and the second bending piece 9, and further the inclination degree of the wind collecting cone 12 and the rotating frame 7 is adjusted to achieve different heat dissipation effects, further, as the anti-backflow inclined plate 14, the wind deflector 13 and the rear side panel of the box body 1 jointly form the heat dissipation channel 15, when the temperature of the box body 1 is higher, the included angle between the rotating frame 7 and the upper surface of the support base 3 can be adjusted to be reduced, and the heat dissipation channel 15 is enlarged; the loudspeaker box has the advantages of being simple in operation, convenient to adjust and high in heat dissipation efficiency, and is suitable for popularization and use.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A high-efficiency heat-dissipation active sound box comprises a box body, a loudspeaker arranged on the front side surface of the box body and a power amplifier module connected with the loudspeaker; the method is characterized in that:
the rear side surface of the box body is provided with an opening; a supporting seat is arranged in the box body close to the opening; the supporting seat is provided with an installation frame; a lug is arranged at one end of the mounting rack; the lug is provided with a rotating frame; the other end of the mounting rack is provided with a mounting workpiece; a first bending piece is arranged on the mounting workpiece; a second bending part is movably arranged on the first bending part; a fixing plate is arranged at one end, far away from the mounting workpiece, of the second bending piece; the fixed plate is provided with a fan corresponding to the opening; and a wind collecting cone is arranged between the fan and the rotating frame in a matching way.
2. A high efficiency heat dissipation type active speaker as claimed in claim 1, wherein one end of the first bending member is connected to the mounting workpiece by at least two rivets; the other end of the first bending piece is provided with a limiting clamping column.
3. A high efficiency heat dissipating active speaker as claimed in claim 1, wherein the second bending member comprises a horizontal section and an arc section which are integrally formed; one end of the horizontal section is connected with one end of the arc-shaped section, so that the second bending piece is of an L-shaped structure.
4. An efficient heat dissipation type active speaker as claimed in claim 1, wherein a connection piece is detachably disposed at one end of the horizontal section away from the arc-shaped section; the fixing plate is fixed on the connecting piece; the fixing plate is perpendicular to the horizontal section.
5. A high-efficiency heat-dissipation active loudspeaker box as claimed in claim 1, wherein the arc-shaped section is provided with a comb-shaped arc groove with a tiger mouth inclined upwards; the limiting clamping column is used for being clamped on a tiger mouth of the comb-shaped arc groove.
6. The active speaker of claim 1, wherein the horizontal section has a wind deflector facing away from the arc section; the air deflector is arranged right behind the fan; in the heat dissipation process, a heat dissipation channel is formed between the air deflector and the rear side panel of the box body.
7. The active speaker of claim 1, wherein a slot is disposed at an end of the air deflector away from the arc-shaped section.
8. The active speaker of claim 1, wherein a rear panel of the cabinet is provided with a clip; when the sound box is in a non-working state, the air deflector is attached to the rear side panel of the box body; the clamping block is clamped in the clamping groove.
9. A high efficiency heat dissipation type active speaker as claimed in claim 1, wherein a back flow prevention sloping plate is provided at the upper edge of the rear side of the case near the opening; the anti-backflow inclined plate inclines towards the inside of the box body; the anti-backflow inclined plate, the air deflector and the rear side panel of the box body jointly form a heat dissipation channel.
10. A high-efficiency heat-dissipation active sound box according to claim 1, wherein a limiting block is arranged at the bottom of the rotating frame; when the rotating frame is perpendicular to the supporting seat, the limiting blocking block is attached to the side face of the supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110368781.XA CN113099330B (en) | 2021-04-06 | 2021-04-06 | High-efficient heat dissipation type active speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110368781.XA CN113099330B (en) | 2021-04-06 | 2021-04-06 | High-efficient heat dissipation type active speaker |
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| Publication Number | Publication Date |
|---|---|
| CN113099330A true CN113099330A (en) | 2021-07-09 |
| CN113099330B CN113099330B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110368781.XA Active CN113099330B (en) | 2021-04-06 | 2021-04-06 | High-efficient heat dissipation type active speaker |
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| CN (1) | CN113099330B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292038U (en) * | 1989-01-05 | 1990-07-20 | ||
| US20090154092A1 (en) * | 2007-12-18 | 2009-06-18 | Michael Chen | Wind direction-adjustable heat-dissipation fan module |
| CN204633845U (en) * | 2015-06-02 | 2015-09-09 | 高满珍 | A kind of phone housing with heat sinking function |
| CN207766545U (en) * | 2017-12-27 | 2018-08-24 | 广州沃声电子科技有限公司 | A kind of sound equipment power amplifier of sound control |
| CN207969290U (en) * | 2018-04-13 | 2018-10-12 | 广州车动力新能源有限公司 | A kind of radiator structure of electric automobile charging pile |
| CN208207491U (en) * | 2018-06-14 | 2018-12-07 | 浙江树人学院 | A kind of virtual reality projection device |
| CN208338171U (en) * | 2018-06-23 | 2019-01-04 | 黄炳 | A kind of timing radiator of electrical equipment |
| CN209330312U (en) * | 2019-01-16 | 2019-08-30 | 郑州大轩电子科技有限公司 | A kind of speaker being conducive to heat dissipation |
| CN210518702U (en) * | 2019-10-18 | 2020-05-12 | 深圳市龙近源科技有限公司 | Sound box convenient to radiate heat |
| CN210579026U (en) * | 2019-10-08 | 2020-05-19 | 天津市丽影科技有限公司 | Sound box convenient to radiate heat |
| CN210741534U (en) * | 2019-11-21 | 2020-06-12 | 黄河科技学院 | Thing networking sensor protective housing device |
| CN111568037A (en) * | 2020-05-26 | 2020-08-25 | 福州希达木业有限公司 | Wood table and production process thereof |
-
2021
- 2021-04-06 CN CN202110368781.XA patent/CN113099330B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292038U (en) * | 1989-01-05 | 1990-07-20 | ||
| US20090154092A1 (en) * | 2007-12-18 | 2009-06-18 | Michael Chen | Wind direction-adjustable heat-dissipation fan module |
| CN204633845U (en) * | 2015-06-02 | 2015-09-09 | 高满珍 | A kind of phone housing with heat sinking function |
| CN207766545U (en) * | 2017-12-27 | 2018-08-24 | 广州沃声电子科技有限公司 | A kind of sound equipment power amplifier of sound control |
| CN207969290U (en) * | 2018-04-13 | 2018-10-12 | 广州车动力新能源有限公司 | A kind of radiator structure of electric automobile charging pile |
| CN208207491U (en) * | 2018-06-14 | 2018-12-07 | 浙江树人学院 | A kind of virtual reality projection device |
| CN208338171U (en) * | 2018-06-23 | 2019-01-04 | 黄炳 | A kind of timing radiator of electrical equipment |
| CN209330312U (en) * | 2019-01-16 | 2019-08-30 | 郑州大轩电子科技有限公司 | A kind of speaker being conducive to heat dissipation |
| CN210579026U (en) * | 2019-10-08 | 2020-05-19 | 天津市丽影科技有限公司 | Sound box convenient to radiate heat |
| CN210518702U (en) * | 2019-10-18 | 2020-05-12 | 深圳市龙近源科技有限公司 | Sound box convenient to radiate heat |
| CN210741534U (en) * | 2019-11-21 | 2020-06-12 | 黄河科技学院 | Thing networking sensor protective housing device |
| CN111568037A (en) * | 2020-05-26 | 2020-08-25 | 福州希达木业有限公司 | Wood table and production process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113099330B (en) | 2023-03-31 |
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