CN105554675B - Multilayer can configure acoustic barrier case - Google Patents

Multilayer can configure acoustic barrier case Download PDF

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Publication number
CN105554675B
CN105554675B CN201610043843.9A CN201610043843A CN105554675B CN 105554675 B CN105554675 B CN 105554675B CN 201610043843 A CN201610043843 A CN 201610043843A CN 105554675 B CN105554675 B CN 105554675B
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CN
China
Prior art keywords
case
installing plate
multilayer
acoustic barrier
mounting bracket
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CN201610043843.9A
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Chinese (zh)
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CN105554675A (en
Inventor
孙博
李永祥
陈科
刘亭伟
陈志成
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ZHUHAI P&R MEASUREMENT TECHNOLOGY Co Ltd
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ZHUHAI P&R MEASUREMENT TECHNOLOGY Co Ltd
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Priority to CN201610043843.9A priority Critical patent/CN105554675B/en
Publication of CN105554675A publication Critical patent/CN105554675A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • H04R29/001Monitoring arrangements; Testing arrangements for loudspeakers

Abstract

The invention discloses a kind of multilayers can configure acoustic barrier case, it is related to the technical field of shielded box, including installing plate, cylinder, connection component, mounting bracket, upper half chests, mould drag and fixture, the cylinder being arranged on installing plate connects mounting bracket through connection component, upper half chests is arranged in mounting bracket, mould drag is arranged on installing plate, on, mould drag includes inside and outside two layers structure, soundproofing member is filled in the cavity that inside and outside two layers structure is formed, in cylinder driving, mould drag is closed or opens, upper half chests at mould drag closure with being provided with safe touch side sensor, fixture is arranged in mould drag.Inside shielded box there is good acoustic characteristic, can effectively reduce sound reflection, many places set the vibration isolation foot pad of damping, can effectively avoid resonating.

Description

Multilayer can configure acoustic barrier case
Technical field
The present invention relates to the technical fields of shielded box, and in particular to a kind of multilayer can configure acoustic barrier case.
Background technology
Recently as the development of social economy, the raising for life of living, people disappear for smart mobile phone, tablet computer etc. Take that the demand of electronic product is increasing, consumption electronic product has become the important component of modern life.Quickly Technology upgrading and product renewing be the most significant feature of the consumer electronics industry and promote industry development motive power.Wherein, Acoustic characteristic(Tonequality)As an important performance indexes of the consumption electronic products such as smart mobile phone, tablet computer, often by To consumer exceptionally concern in addition directly affect the competitiveness of product in market.Existing multilayer can configure acoustic barrier case It is a kind of during the manufacturing of the consumption electronic products such as smart mobile phone, tablet computer, the professional test of testing audio characteristic The shortcomings that equipment, but generally existing compatibility is not strong, the degree of automation is not high, and operability and security are poor.
Chinese patent application file CN201220549490.7 discloses a kind of electromagnetic shielding box of knowing clearly, including shielding case body, The shielding cutter groove and screen that the shield door being connected through the hinge with shielding case body, the shielding case body and shield door pass through male-female engagement The sealing of edge of a knife press fit is covered, the shielding cutter groove inner cavity two sides set shielding finger, and shielding cutter groove inner chamber bottom surface is provided with For shielding the absorbing material of sound wave and electromagnetic wave, the shielding finger and suction
Wave material respectively with shielding two sides of the edge of a knife and top press fit.The electromagnetic shielding box can shield a variety of interference Ripple, however thin material is arranged at the shielding properties that shielded box is limited at box sealing, and it is safe to use to be not directed to babinet The problem of in performance.
The content of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is intended to provide that a kind of shielding properties is good, multilayer of high safety Configurable acoustic barrier case.
To achieve the above object, the present invention adopts the following technical scheme that:
Multilayer can configure acoustic barrier case, including:
Installing plate, the installing plate one end are provided with two blocks of opposite side plates, the same end of the installing plate along its width On be additionally provided with a terminal box, the terminal box is towards being provided with the first wiring through hole on the one side on the inside of installing plate;
Cylinder between both side plate, the cylinder body of the cylinder are arranged on installing plate, and the piston rod of the cylinder is through first Mounting base connects a length direction and connects roller parallel to the first of installing plate width;
In the mounting bracket of Z-shaped, the vertical range size between the mounting bracket both ends is less than the row of cylinder piston rod Journey, one end of the mounting bracket are fixedly connected on the first connection roller, are worn in the middle part of mounting bracket and are connected to one second connection roller, should Second connection roller is connected with first to be rolled out capable and its both ends and is respectively pivoted on both side plate;
The mould drag being arranged on installing plate, the mould drag are connected to terminal box towards on the side on the inside of installing plate, should Mould drag is connected to the second wiring through hole for being provided on the one side of terminal box and being communicated with the first wiring through hole, which includes Case and the lower half outer container being wrapped in lower half outside case in lower half, first formed between case and lower half outer container in the lower half are closed Filled with the first soundproofing member in cavity, first of case and lower half outer container in connection lower half is additionally provided in first closed housing Vibration isolation foot pad is provided with the first acoustical cotton layer in lower half, is set at mould drag case mouth on one side of the case away from the first closed housing There is the first sealing joint strip;
Mounting bracket is arranged at towards the upper half chests on installing plate one side, which includes case in upper half and be wrapped in Upper half outer container in half outside case, in the second closed housing formed between case and upper half outer container in the upper half filled with second every Sound component, is additionally provided with the second vibration isolation foot pad of case and upper half outer container in connection upper half in second closed housing, case in upper half The second acoustical cotton layer is provided on one side away from the second closed housing, the size and shape of upper half chests case mouth is matched with mould drag The size and shape of case mouth is provided with the second sealing joint strip at upper half chests case mouth;
Half chests is arranged at the safe touch side sensor at mould drag closure and with the safe touch side sensor to match The controller of set, safe touch side sensor connection controller, the controller connect cylinder by a solenoid valve;
For placing the fixture of product to be measured, which is arranged at the mounting hole of case in lower half by the 3rd vibration isolation foot pad On.
Preferably, the first soundproofing member includes being set in turn in the in vivo first sound-absorbing offset plate of the first closed chamber from the bottom to top Layer, the first sound-absorbing blanket and the first glass fibre cotton layer.
Preferably, the second soundproofing member includes from top to bottom being set in turn in the in vivo second sound-absorbing offset plate of the second closed chamber Layer, the second sound-absorbing blanket and the second glass fibre cotton layer.
Preferably, set and have elastic component between the first connection roller and installing plate, the both ends of the elastic element are respectively through the Two mounting bases are connected on the first connection roller and installing plate.
Preferably, which, which can configure acoustic barrier case, includes three installations equidistantly arranged along installing plate width Stent.
Preferably, set to limit the locating part of mounting bracket position on the second connection roller, which is located at installation Stent both sides.
Preferably, the first sealing joint strip being arranged at mould drag case mouth and the second sealing being arranged at half chests case mouth Adhesive tape includes at least two layers of sealing joint strip.
Preferably, equally distributed mounting hole is provided in lower half on case.
Preferably, it is provided with handle on the surface of lower half outer container.
The beneficial effects of the present invention are:The acoustic material of unlike material possesses different acoustic characteristics, can absorb various The sound of frequency range;Inside shielded box there is good acoustic characteristic, can effectively reduce sound reflection, many places set the vibration isolation of damping Foot pad can effectively avoid resonating;When babinet is closed and has finger when barriers, safe touch side sensor will be triggered, Upper half chests will stop being closed under the action of cylinder, and return to opening state, and the startup power of safe touch side sensor can root According to needing to be configured, the security of shielded box is improved, while avoids babinet is not closed from not knowing completely, influences shielded box Use quality and service life;The mounting hole of queueing discipline is provided in lower half on case, fixture can be adjusted flexibly as needed Position is conducive to promote usage experience.
Description of the drawings
Fig. 1 is the structure diagram that multilayer of the present invention can configure acoustic barrier case.
Fig. 2 is the sectional view that multilayer of the present invention can configure acoustic barrier case.
Fig. 3 is the part-structure block diagram of the present invention.
Reference numeral:1st, installing plate;11st, side plate;2nd, upper half chests;21st, upper half outer container;22nd, the second sound-absorbing glue plate layer;23、 Second sound-absorbing blanket;24th, the second glass fibre cotton layer;25th, case in upper half;26th, the second acoustical cotton layer;27th, the second vibration isolation foot pad; 28th, the second sealing joint strip;3rd, mounting bracket;4th, cylinder;51st, the first connection roller;511st, the first mounting base;52nd, the second connection roller; 521st, locating part;6th, mould drag;61st, lower half outer container;62nd, the first sound-absorbing glue plate layer;63rd, the first sound-absorbing blanket;64th, the first glass fibers Vinylon and cotton blend layer;65th, case in lower half;66th, the first acoustical cotton layer;67th, the first vibration isolation foot pad;68th, the first sealing joint strip;7th, spring;71、 Second mounting base;8th, terminal box;9th, handle;10th, fixture;101st, the 3rd vibration isolation foot pad.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the present invention is described further:
As shown in Figures 1 and 2, multilayer can configure acoustic barrier case, including installing plate 1, cylinder 4, connection component, installation branch Frame 3, upper half chests 2, mould drag 6 and fixture 10:1 one end of installing plate is provided with two blocks of opposite side plates 11 along its width, peace A terminal box 8 is additionally provided on the same end of loading board 1, which connects towards being provided with first on the one side of the inside of installing plate 1 Line three-way hole(It is not shown);Two cylinders 4 are between both side plate 11 and its cylinder body is arranged on installing plate 1, the piston rod of cylinder 4 Carry out on installing plate 1 and vertically telescopic movable;Connection component includes the first connection roller 51, second and connects roller 52nd, the first mounting base 511, the second mounting base 71, locating part 521 and spring 7, length direction is parallel to 1 length direction of installing plate First connection roller 51 through the first mounting base 511 connect 4 piston rod of cylinder, first mounting base 511 be in concave, protrusion two End is through the first connection roller 51, and bottom connection piston-rod end, the both ends of spring 7 connect respectively through the second mounting base 71 installs Plate 1 and first connects roller 51, and the second connection roller 52 is located on the first connection roller 51 and positioned at the first connection roller 51 close to installation The one side of 1 inside of plate, the second 52 both ends of connection roller are respectively pivoted on both side plate 11;Mounting bracket 3 is Z-shaped, 3 liang of mounting bracket Vertical range size between end is less than the stroke of 4 piston rod of cylinder, three peaces equidistantly arranged along 1 width of installing plate One end of dress stent 3, which is respectively fixedly connected with, to be connected in first on roller 51, and one end point of two mounting brackets 3 positioned at outside Not between the both ends of two first mounting bases, 511 protrusion, the second connection roller 52 is also inserted through the mounting bracket 3, and two are one Three groups of locating parts 521 of group may be contained on the second connection roller 52, and three groups of locating parts 521 are corresponded with three mounting brackets 3, Two locating parts 521 of every group of locating part 521 are located at 3 both sides of mounting bracket respectively, to limit the position of mounting bracket 3;Under Half chests 6 is arranged on installing plate 1, which is connected to terminal box 8 towards on the side of the inside of installing plate 1, and mould drag 6 connects It is connected on the one side of terminal box 8 and is provided with and the first wiring through hole(It is not shown)The the second wiring through hole communicated(It is not shown), under Half chests 6 includes case 65 and the lower half outer container 61 that is wrapped in lower half outside case 65 in lower half, case 65 and lower half outer container 61 in lower half Between in the first closed housing for being formed filled with the first soundproofing member, which includes setting gradually from the bottom to top In the in vivo first sound-absorbing glue plate layer 62 of the first closed chamber, the first sound-absorbing blanket 63 and the first glass fibre cotton layer 64, glass fibre Cotton is a kind of inorganic non-metallic material haveing excellent performance, and good insulating, heat resistance are strong, corrosion resistance is good, high mechanical strength, and Energy sqouynd absorption lowering noise, the acoustic material of unlike material possess different acoustic characteristics, can absorb the sound of various frequency ranges, and first is closed The first vibration isolation foot pad 67 of case 65 and lower half outer container 61 in connection lower half is additionally provided in cavity, case 65 is closed away from first in lower half It closes and is provided with the first acoustical cotton layer 66 on the one side of cavity, be provided at 6 casees mouths of mould drag including the first of at least two layers the sealing Adhesive tape 68 is arranged at the mounting hole of case 65 in lower half for placing the fixture 10 of sample to be tested by the 3rd vibration isolation foot pad 101(Not Diagram)On, babinet vibration is prevented to be transferred on sample to be tested, is provided with equally distributed mounting hole in lower half on case 65(Do not scheme Show), the position of fixture 10 can be adjusted flexibly as needed, handle 9 is provided on the surface of lower half outer container 61, in order to shielding Case is carried;Upper half chests 2 is arranged at mounting bracket 3 towards on 1 one side of installing plate, and upper half chests 2 includes case 25 and bag in upper half The upper half outer container 21 in 25 outside of case in upper half is wrapped in, in the second closed housing formed in upper half between case 25 and upper half outer container 21 Filled with the second soundproofing member, which includes from top to bottom being set in turn in vivo second suction of the second closed chamber Sound glue plate layer 22, the second sound-absorbing blanket 23 and the second glass fibre cotton layer 24 are additionally provided in second closed housing in connection upper half Second vibration isolation foot pad 27 of case 25 and upper half outer container 21 is provided with second in upper half on one side of the case 25 away from the second closed housing Acoustical cotton layer 26, the size and shape of upper 2 casees mouths of half chests are matched with the size and shape of 6 casees mouths of mould drag, at upper 2 casees mouths of half chests It is provided with the second sealing joint strip 28 including at least two layers;As shown in figure 3, upper half chests 2 at 6 closure of mould drag with being provided with safety Side sensor, safe touch side sensor connection and one mating controller are touched, which passes through a solenoid valve and connect gas Cylinder 4.
Safe touch side sensor is typically mounted at machinery equipment edge, and current detection scheme uses matched one Nonshared control unit when safe touch side sensor is squeezed or is not squeezed, can send corresponding status signal to special Controller after the nonshared control unit receives status signal, handles by calculating or hardware logic, exports a passive switch contact Closure signal or cut-off signal.
The present invention is in use, when closure shielded box runs into barrier(Such as the finger of operating personnel)When, safe touch side passes Sensor is triggered, and trigger signal is sent to controller, and controller issues solenoid valve ON- and OFF- command, and cylinder 4 will stop transporting Row avoids the injury of human caused by unexpected, is also beneficial to improve the use quality and service life of shielded box.
The upper multi-layer sealed adhesive tape design of mould drag, multiple occlusion, it is ensured that sealed reliable;Upper half chests 2 is middle fibre with mould drag 6 Density board material is made, and the surface of upper half outer container 21 and lower half outer container 61 is attractive and durable using multilayer paint baking, interior case with it is outer It is connected between case by vibration isolation foot pad, it is ensured that interior case can be effectively isolated the vibrations of outer container.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make other various Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention Within.

Claims (9)

1. multilayer can configure acoustic barrier case, which is characterized in that including:
Installing plate, the installing plate one end are provided with two blocks of opposite side plates along its width, are gone back on the same end of the installing plate A terminal box is provided with, the terminal box is towards being provided with the first wiring through hole on the one side on the inside of installing plate;
Cylinder between both side plate, the cylinder body of the cylinder are arranged on installing plate, and the piston rod of the cylinder is through the first installation Seat one length direction of connection connects roller parallel to the first of installing plate width;
In the mounting bracket of Z-shaped, the vertical range size between the mounting bracket both ends is less than the stroke of cylinder piston rod, should One end of mounting bracket is fixedly connected on the first connection roller, is worn in the middle part of mounting bracket and is connected to one second connection roller, this second Connection roller is connected with first to be rolled out capable and its both ends and is respectively pivoted on both side plate;
The mould drag being arranged on installing plate, the mould drag are connected to terminal box towards on the side on the inside of installing plate, the lower half Case is connected to the second wiring through hole for being provided on the one side of terminal box and being communicated with the first wiring through hole, which includes lower half Interior case and the lower half outer container being wrapped in lower half outside case, the first closed housing formed between case and lower half outer container in the lower half The first soundproofing member is inside filled with, the first vibration isolation of case and lower half outer container in connection lower half is additionally provided in first closed housing Foot pad is provided with the first acoustical cotton layer on one side of the case away from the first closed housing in lower half, is provided at mould drag case mouth One sealing joint strip;
Mounting bracket is arranged at towards the upper half chests on installing plate one side, which includes case in upper half and be wrapped in upper half Upper half outer container outside case, filled with the second sound insulation group in the second closed housing formed between case and upper half outer container in the upper half Part is additionally provided with the second vibration isolation foot pad of case and upper half outer container in connection upper half in second closed housing, and case is separate in upper half The second acoustical cotton layer is provided on the one side of second closed housing, the size and shape of upper half chests case mouth is matched with mould drag case mouth Size and shape, be provided with the second sealing joint strip at upper half chests case mouth;
It is arranged at what half chests matched with the safe touch side sensor at mould drag closure and with the safe touch side sensor Controller, safe touch side sensor connection controller, the controller connect cylinder by a solenoid valve;
For placing the fixture of product to be measured, which is arranged in lower half by the 3rd vibration isolation foot pad on the mounting hole of case.
2. multilayer as described in claim 1 can configure acoustic barrier case, which is characterized in that the first soundproofing member is supreme under including It is set in turn in the in vivo first sound-absorbing glue plate layer of the first closed chamber, the first sound-absorbing blanket and the first glass fibre cotton layer.
3. multilayer as described in claim 1 can configure acoustic barrier case, which is characterized in that the second soundproofing member include by up to Under be set in turn in the in vivo second sound-absorbing glue plate layer of the second closed chamber, the second sound-absorbing blanket and the second glass fibre cotton layer.
4. multilayer as described in claim 1 can configure acoustic barrier case, which is characterized in that between the first connection roller and installing plate Setting has elastic component, and the both ends of the elastic element are connected to by the second mounting base on the first connection roller and installing plate respectively.
5. multilayer as described in claim 1 can configure acoustic barrier case, which is characterized in that the multilayer can configure acoustic barrier case Include three mounting brackets equidistantly arranged along installing plate width.
6. the multilayer as described in claim 1 or 5 can configure acoustic barrier case, which is characterized in that sets and uses on the second connection roller In the locating part for limiting mounting bracket position, which is located at mounting bracket both sides.
7. multilayer as described in claim 1 can configure acoustic barrier case, which is characterized in that be arranged at mould drag case mouth One sealing joint strip and the second sealing joint strip being arranged at half chests case mouth include at least two layers of sealing joint strip.
8. multilayer as described in claim 1 can configure acoustic barrier case, which is characterized in that is provided on case in lower half and uniformly divides The mounting hole of cloth.
9. multilayer as described in claim 1 can configure acoustic barrier case, which is characterized in that is provided on the surface of lower half outer container Handle.
CN201610043843.9A 2016-01-22 2016-01-22 Multilayer can configure acoustic barrier case Active CN105554675B (en)

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CN105554675B true CN105554675B (en) 2018-05-25

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109712603A (en) * 2018-12-19 2019-05-03 珠海市精实测控技术有限公司 A kind of automation shielded box
CN109462810B (en) * 2018-12-19 2020-12-18 珠海市精实测控技术有限公司 Mobile phone horn aging test system

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CN102932727A (en) * 2012-11-15 2013-02-13 昆山迈致治具科技有限公司 Audio test fixture
JP5181194B2 (en) * 2009-03-30 2013-04-10 株式会社昭和真空 RF sputtering equipment
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CN105208505A (en) * 2015-09-28 2015-12-30 芜湖宏景电子股份有限公司 Soundproof box for automobile stereo testing
CN205336537U (en) * 2016-01-22 2016-06-22 珠海市精实测控技术有限公司 Multilayer can dispose acoustics shielded cell

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070029926A (en) * 2005-09-12 2007-03-15 손호빈 Structure of door for shield box
CN200997684Y (en) * 2006-12-30 2007-12-26 比亚迪股份有限公司 Sound-isolating box for inspecting audio frequency
JP5181194B2 (en) * 2009-03-30 2013-04-10 株式会社昭和真空 RF sputtering equipment
CN202145215U (en) * 2011-04-15 2012-02-15 深圳市中冀联合通讯技术有限公司 Electromagnetic shielding box
CN202496065U (en) * 2012-02-22 2012-10-17 比亚迪股份有限公司 Sound-proofing device
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CN205336537U (en) * 2016-01-22 2016-06-22 珠海市精实测控技术有限公司 Multilayer can dispose acoustics shielded cell

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