CN113539221A - LSU noise reduction and heat dissipation method and device - Google Patents
LSU noise reduction and heat dissipation method and device Download PDFInfo
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- CN113539221A CN113539221A CN202110697047.8A CN202110697047A CN113539221A CN 113539221 A CN113539221 A CN 113539221A CN 202110697047 A CN202110697047 A CN 202110697047A CN 113539221 A CN113539221 A CN 113539221A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 230000009969 flowable effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 244000126211 Hericium coralloides Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
-
- 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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
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- Acoustics & Sound (AREA)
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of LSU noise reduction, and discloses an LSU noise reduction and heat dissipation method, which is used for reducing noise of an LSU module of a laser printer and comprises the following steps: the LSU module is in a vacuum state outside the LSU module in a vacuumizing mode; forming internal circulation airflow between the LSU module and the noise reduction box body; the heat carried in the internal circulation airflow is conducted out to the outside of the noise reduction box body in a heat exchange mode. The invention also provides an LSU noise reduction and heat dissipation device, which is suitable for an LSU noise reduction and heat dissipation method and comprises a noise reduction box body, wherein the top of the LSU module is positioned on the air inlet groove and is fixedly provided with an axial flow fan for forming internal circulation airflow inside the noise reduction box body; also included is a thermally conductive assembly. The vacuum space is arranged around the LSU module, so that the transmission of the noise of the LSU module can be effectively blocked, the noise pollution of the LSU module is eliminated, meanwhile, the good heat dissipation of the interior of the LSU module is ensured, and the working performance of the LSU module is favorably improved.
Description
Technical Field
The invention belongs to the technical field of LSU noise reduction, and particularly relates to an LSU noise reduction and heat dissipation method and device.
Background
LSU (laser scanning unit), which is widely used in office equipment such as laser printers, exposes a uniformly charged photosensitive drum with LSU to form an "electrostatic latent image" on the surface of the photosensitive drum.
The LSU module is one of the core components of the laser printer, in the working process of the LSU module, a built-in scanning motor needs to rotate at a high speed, serious noise pollution can be brought, an existing laser scanning unit lacks suppression on noise, trouble is brought to surrounding workers, meanwhile, low-frequency resonance can be brought to the noise, certain interference can be brought to a laser generating device in the LSU module, and the precision of a laser beam is reduced.
Disclosure of Invention
The invention aims to solve the defects that an LSU module in the prior art can cause noise pollution and is lack of noise suppression, and provides a method and a device for reducing noise and dissipating heat of an LSU.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for reducing noise and dissipating heat of an LSU is designed, and is used for reducing noise of an LSU module of a laser printer, and comprises the following steps:
and 3, arranging a heat conduction assembly of a metal structure on the inner circulation airflow channel, and guiding heat carried in the inner circulation airflow out of the noise reduction box body in a heat exchange mode.
Furthermore, a dust-free closed space is formed in the noise reduction box body in the step.
Further, in step, an internal circulation gas flow is in the shape of "∞" and passes through the inside of the LSU module.
Furthermore, in the step, the heat conduction components are distributed on the inner side and the outer side of the noise reduction box body in a toothed shape.
The invention also provides an LSU noise reduction and heat dissipation device which is suitable for the LSU noise reduction and heat dissipation method and comprises a noise reduction box body, wherein the noise reduction box body is detachably arranged at the outer side of the LSU module, and a plane lens matched with the light beam is arranged on the noise reduction box body corresponding to the light beam output end of the LSU module;
the noise reduction box body is provided with a one-way valve interface for vacuumizing;
the bottom of the noise reduction box body is provided with a fixed plate;
the top of the shell of the LSU module is provided with an air inlet groove, the two sides of the shell are symmetrically provided with air outlet grooves, and the air inlet groove and the air outlet grooves are communicated with the inside of the LSU module;
the top of the LSU module is positioned on the air inlet groove and is fixedly provided with an axial flow fan for forming internal circulation airflow in the noise reduction box body;
still include heat-conduction subassembly, heat-conduction subassembly includes heat conduction piece, interior heat conduction strip and outer heat conduction strip, the heat conduction piece is fixed in the one side of the box body of making an uproar that falls with the mode of embedding, interior heat conduction strip and outer heat conduction strip set up the inside and outside at the box body of making an uproar that falls respectively, interior heat conduction strip is located the internal circulation air current passageway of axial fan top.
Furthermore, the bottom edge of the noise reduction box body is circumferentially provided with a folded edge protruding outwards, and a sealing ring is arranged between the folded edge and the fixed plate.
Furthermore, one side of the sealing ring, which is positioned inside the noise reduction box body, is provided with a lip edge protruding upwards, and the lip edge is attached to the inner wall of the noise reduction box body.
Furthermore, a sound insulation pad with two sides containing gum is arranged between the LSU module and the fixing plate, and the LSU module is fixed in the noise reduction box body in a suspension mode through the sound insulation pad;
furthermore, the inner heat conducting strips and the outer heat conducting strips are arranged on two sides of the interior of the noise reduction box body in a comb tooth structure, and the comb tooth direction of the inner heat conducting strips penetrates through the channel of the internal circulation air flow of the noise reduction box body.
Furthermore, the heat conduction block, the inner heat conduction strip and the outer heat conduction strip are of hollow structures and are communicated with each other, and flowable conduction liquid is filled in the hollow structures.
The LSU noise reduction and heat dissipation method and device provided by the invention have the beneficial effects that: through set up the vacuum space around the LSU module, can effectively block the propagation of LSU module noise, make the LSU module be in work under the mute state, and simultaneously, run through on the LSU module and set up the inner loop air current, can in time take away the heat that LSU module inner assembly during operation produced, and dispel the heat through heat-conducting mode, the power that provides the inner loop is in under the vacuum equally, the noise of its work production also can be fine suppression, make the LSU module when the noise abatement pollutes, also ensured its inside good heat dissipation, the improvement of favourable LSU module working property.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a LSU noise reduction and heat dissipation device according to the present invention in partial cross-section;
FIG. 2 is a schematic diagram of the internal structure of the LSU noise reduction and heat dissipation device according to the present invention;
labeled as: 1. an LSU module; 11. an air inlet groove; 12. an air outlet groove; 2. a noise reduction box body; 21. a planar lens; 22. folding edges; 23. a one-way valve interface; 3. an axial flow fan; 4. a sound insulating pad; 5. a heat conducting block; 51. an inner heat conducting strip; 52. an outer heat conducting strip; 53. a conductive liquid; 6. a fixing plate; 7. a seal ring; 71. a lip.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1-2, an LSU falls makes an uproar, heat abstractor, falls box body 2 including making an uproar and sets up in the outside of LSU module 1 with the detachable mode, adopts the detachable mode, conveniently falls the installation and the maintenance in later stage of box body 2 of making an uproar, fall the light beam output end that box body 2 corresponds LSU module 1 of making an uproar and be equipped with the plane lens 21 with the light beam adaptation, adopt plane lens 21 to avoid causing the influence to the light beam that LSU module 1 throws.
Be equipped with the check valve interface 23 that is used for the evacuation on the box body 2 of making an uproar falls, adopt the mode of the check valve interface 23 that sets up, can be to the evacuation operation in the box body 2 of making an uproar falls, be convenient for assemble or maintain the back, can be in vacuum state in the box body 2 of making an uproar falls once more.
The bottom of the noise reduction box body 2 is provided with a fixing plate 6, the bottom edge of the noise reduction box body 2, be equipped with the hem 22 of outside salient on the circumference, be equipped with sealing washer 7 between hem 22 and the fixing plate 6, one side that sealing washer 7 is located the noise reduction box body 2 inside is equipped with the lip limit 71 that makes progress, lip limit 71 is laminated with the inner wall of the noise reduction box body 2 each other, it is all for improving the leakproofness between the noise reduction box body 2 and the fixing plate 6 to set up hem 22 and sealing washer 7, it is for further providing the leakproofness between the noise reduction box body 2 and the fixing plate 6 to set up lip limit 71 in the inner ring circumference of sealing washer 7, in order to ensure that the noise reduction box body 2 can be in vacuum state for a long time, avoid leaking.
LSU module 1's casing top is equipped with into wind groove 11, the bilateral symmetry of casing is equipped with out wind groove 12, it is linked together with LSU module 1's inside to go into wind groove 11 and go out wind groove 12, LSU module 1's top is located fixedly on the wind groove 11 and is equipped with the axial fan 3 that is used for making an uproar box body 2 inside formation inner loop air current that falls, axial fan 3 during operation, the air current can form a wind channel that is the convection current structure under the guide of going into wind groove 11 and play wind groove 12, the inside of LSU module 1 is passed in the wind channel, take away the heat that LSU module 1 internal work produced, the heat reciprocates along the wind channel and flows.
The noise reduction box comprises a heat conduction assembly, the heat conduction assembly is a metal piece of an integrated structure, the heat conduction assembly comprises a heat conduction block 5, an inner heat conduction strip 51 and an outer heat conduction strip 52, the heat conduction block 5 is of a thin strip structure and is fixed on one side of the noise reduction box body 2 in an embedded mode, the inner heat conduction strip 51 and the outer heat conduction strip 52 are respectively arranged on the inner side and the outer side of the noise reduction box body 2, the inner heat conduction strip 51 is positioned on an inner circulation airflow channel above the axial flow fan 3, the heat conduction block 5, the inner heat conduction strip 51 and the outer heat conduction strip 52 are of hollow structures and are mutually communicated, flowable conduction liquid is filled in the hollow interiors, the conduction liquid can be cooling liquid and needs to have good fluidity, when heat carried in inner circulation airflow meets the inner heat conduction strip 51, the heat can be transferred to the inner heat conduction strip 51 in a heat radiation mode, then the inner heat conduction strip 51 and the inner heat conduction liquid carry the heat from the inner heat conduction strip 51 to the outer heat conduction strip 52 in a heat conduction mode, finally, the heat is dissipated by the outer heat conducting strips 52.
Interior heat conduction strip 51 and outer heat conduction strip 52 with the inside both sides of making an uproar box body 2 that arrange of broach structure, and the broach direction of interior heat conduction strip 51 runs through the setting on the passageway of making an uproar box body 2 internal cycle air current that falls, interior heat conduction strip 51 and outer heat conduction strip 52 adopt arranging of broach structure, heat conduction strip 51 is to inside thermal receiving area in the favorable increase on the one hand, the favorable outer heat conduction strip 52 of increase on the other hand is to thermal diffusion area, be convenient for distribute away the heat in the LSU module 1.
Be equipped with the two-sided sound insulation pad 4 that contains the gum between LSU module 1 and the fixed plate 6, sound insulation pad 4 is fixed the mode of LSU module 1 suspension in the box body 2 of making an uproar falls, and sound insulation pad 4's setting is used for reducing the noise propagation of LSU module 1 fixed position, simultaneously, also can carry out stable fixed with LSU module 1.
The LSU noise reduction and heat dissipation device is simple in structure, the transmission of the noise of the LSU module 1 can be effectively blocked by arranging the vacuum space around the LSU module 1, so that the LSU module 1 works in a mute state, meanwhile, the internal circulation airflow is arranged on the LSU module 1 in a penetrating manner, the heat generated by the internal components of the LSU module 1 during working can be timely taken out, the noise of the LSU module 1 is suppressed, the good heat dissipation of the internal components is also ensured, and the working performance of the LSU module is favorably improved.
A LSU noise reduction and heat dissipation method is used for noise reduction of an LSU module of a laser printer and comprises the following steps:
And 2, forming an internal circulation air flow between the LSU module 1 and the noise reduction box body 2 through an internal circulation fan 3, wherein the internal circulation air flow is shaped like an infinity and penetrates through the LSU module 1.
And 3, arranging a heat conduction assembly of a metal structure on the inner circulation airflow channel, and guiding heat carried in the inner circulation airflow out of the noise reduction box body 2 in a heat exchange mode.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A LSU noise reduction and heat dissipation method is used for noise reduction of an LSU module of a laser printer and is characterized by comprising the following steps:
step 1, a detachable noise reduction box body (2) is arranged outside an LSU module (1), and the LSU module (1) is in a vacuum state in a vacuumizing mode;
step 2, forming internal circulation airflow between the LSU module (1) and the noise reduction box body (2) through an internal circulation fan (3);
and 3, arranging a heat conduction assembly of a metal structure on the inner circulating airflow channel, and guiding heat carried in the inner circulating airflow out of the noise reduction box body (2) in a heat exchange mode.
2. A method for reducing noise and dissipating heat of an LSU as claimed in claim 1, wherein in step 1, the noise reduction box body (2) is a dust-free enclosed space.
3. The method of claim 1, wherein in step 2, the inner circulation air flow is shaped like "∞" and passes through the inside of the LSU module (1).
4. A method for reducing noise and dissipating heat of an LSU as claimed in claim 1, wherein in step 3, the heat conducting components are distributed in a tooth shape on the inner and outer sides of the noise reducing box body (2).
5. An LSU noise reduction and heat dissipation device, which is suitable for the LSU noise reduction and heat dissipation method of any one of claims 1-4, and comprises a noise reduction box body (2), wherein the noise reduction box body (2) is detachably arranged at the outer side of the LSU module (1), and the noise reduction box body (2) is provided with a plane lens (21) matched with a light beam corresponding to the light beam output end of the LSU module (1);
the noise reduction box body (2) is provided with a one-way valve interface (23) for vacuumizing;
a fixing plate (6) is arranged at the bottom of the noise reduction box body (2);
an air inlet groove (11) is formed in the top of a shell of the LSU module (1), air outlet grooves (12) are symmetrically formed in two sides of the shell, and the air inlet groove (11) and the air outlet grooves (12) are communicated with the inside of the LSU module (1);
an axial flow fan (3) used for forming internal circulation airflow inside the noise reduction box body (2) is fixedly arranged on the air inlet groove (11) at the top of the LSU module (1);
still include heat-conduction assembly, heat-conduction assembly includes heat conduction piece (5), interior heat conduction strip (51) and outer heat conduction strip (52), one side at noise reduction box body (2) is fixed with the mode of embedding in heat conduction piece (5), interior heat conduction strip (51) and outer heat conduction strip (52) set up respectively in the inside and outside of noise reduction box body (2), interior heat conduction strip (51) are located the inner loop air current passageway of axial fan (3) top.
6. The LSU noise reduction and heat dissipation device according to claim 1, wherein the bottom edge of the noise reduction box body (2) is provided with a flange (22) protruding outwards in the circumferential direction, and a sealing ring (7) is arranged between the flange (22) and the fixing plate (6).
7. The LSU noise reduction and heat dissipation device according to claim 6, wherein the side of the sealing ring (7) inside the noise reduction box body (2) is provided with an upward raised lip (71), and the lip (71) is attached to the inner wall of the noise reduction box body (2).
8. The noise reduction and heat dissipation device for the LSU according to claim 6, wherein a sound insulation pad (4) with two sides containing back adhesive is arranged between the LSU module (1) and the fixing plate (6), and the sound insulation pad (4) fixes the LSU module (1) in a suspension manner in the noise reduction box body (2).
9. The LSU noise reduction and heat dissipation device according to claim 6, wherein the inner heat conduction strips (51) and the outer heat conduction strips (52) are arranged on both sides of the inside of the noise reduction box body (2) in a comb structure, and the comb direction of the inner heat conduction strips (51) is arranged on the channels of the circulating air flow inside the noise reduction box body (2) in a penetrating manner.
10. The LSU noise reduction and heat dissipation device according to claim 6, wherein the heat conduction block (5), the inner heat conduction strips (51) and the outer heat conduction strips (52) are hollow and are communicated with each other, and the hollow interiors are filled with a flowable conduction liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110697047.8A CN113539221A (en) | 2021-06-23 | 2021-06-23 | LSU noise reduction and heat dissipation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110697047.8A CN113539221A (en) | 2021-06-23 | 2021-06-23 | LSU noise reduction and heat dissipation method and device |
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| Publication Number | Publication Date |
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| CN113539221A true CN113539221A (en) | 2021-10-22 |
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| CN202110697047.8A Pending CN113539221A (en) | 2021-06-23 | 2021-06-23 | LSU noise reduction and heat dissipation method and device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105555103A (en) * | 2016-01-08 | 2016-05-04 | 烽火通信科技股份有限公司 | Single board and simulative single board based on balance between improvement of thermal dissipation capability and reduction of noise emission |
| CN205941233U (en) * | 2016-08-15 | 2017-02-08 | 襄阳博亚精工装备股份有限公司 | Mechanical type static torque testing machine |
| CN107499002A (en) * | 2017-09-20 | 2017-12-22 | 浙江雷丹科技有限公司 | A kind of bar-code printer of high efficiency and heat radiation |
| CN108382086A (en) * | 2018-04-26 | 2018-08-10 | 湖州湖颖文具用品有限公司 | A kind of printer protective cover |
| CN109927284A (en) * | 2019-04-02 | 2019-06-25 | 苏州慧通汇创科技有限公司 | A kind of DLP laser fast shaping 3D printer cabinet that sound-proofing is good |
| CN209738288U (en) * | 2018-12-05 | 2019-12-06 | 南京信凯科技有限公司 | Complete machine ventilation and heat dissipation device applied to closed 3D printer |
| CN210201921U (en) * | 2019-07-10 | 2020-03-27 | 宿州学院 | Mute type image processing scanner |
-
2021
- 2021-06-23 CN CN202110697047.8A patent/CN113539221A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105555103A (en) * | 2016-01-08 | 2016-05-04 | 烽火通信科技股份有限公司 | Single board and simulative single board based on balance between improvement of thermal dissipation capability and reduction of noise emission |
| CN205941233U (en) * | 2016-08-15 | 2017-02-08 | 襄阳博亚精工装备股份有限公司 | Mechanical type static torque testing machine |
| CN107499002A (en) * | 2017-09-20 | 2017-12-22 | 浙江雷丹科技有限公司 | A kind of bar-code printer of high efficiency and heat radiation |
| CN108382086A (en) * | 2018-04-26 | 2018-08-10 | 湖州湖颖文具用品有限公司 | A kind of printer protective cover |
| CN209738288U (en) * | 2018-12-05 | 2019-12-06 | 南京信凯科技有限公司 | Complete machine ventilation and heat dissipation device applied to closed 3D printer |
| CN109927284A (en) * | 2019-04-02 | 2019-06-25 | 苏州慧通汇创科技有限公司 | A kind of DLP laser fast shaping 3D printer cabinet that sound-proofing is good |
| CN210201921U (en) * | 2019-07-10 | 2020-03-27 | 宿州学院 | Mute type image processing scanner |
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