CN103219002A - Noise-preventing sound-isolating ventilation device - Google Patents

Noise-preventing sound-isolating ventilation device Download PDF

Info

Publication number
CN103219002A
CN103219002A CN2013100814382A CN201310081438A CN103219002A CN 103219002 A CN103219002 A CN 103219002A CN 2013100814382 A CN2013100814382 A CN 2013100814382A CN 201310081438 A CN201310081438 A CN 201310081438A CN 103219002 A CN103219002 A CN 103219002A
Authority
CN
China
Prior art keywords
sound
sound panel
panel
noise
preventing
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.)
Granted
Application number
CN2013100814382A
Other languages
Chinese (zh)
Other versions
CN103219002B (en
Inventor
贾卫库
刘宗福
李惠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shangfeng Technology Co.,Ltd.
Original Assignee
SHANXI SHANGFENG TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANXI SHANGFENG TECHNOLOGY Co Ltd filed Critical SHANXI SHANGFENG TECHNOLOGY Co Ltd
Priority to CN201310081438.2A priority Critical patent/CN103219002B/en
Publication of CN103219002A publication Critical patent/CN103219002A/en
Application granted granted Critical
Publication of CN103219002B publication Critical patent/CN103219002B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Building Environments (AREA)

Abstract

The invention discloses a noise-preventing sound-isolating ventilation device arranged around a noise source. The device comprises a supporting frame, sound-isolating plates and a sound-isolating plate rotation control device. The supporting frame is provided with the sound-isolating plates and the sound-isolating plate rotation control device. The sound-isolating plate rotation control device comprises a mechanical part. The sound-isolating plates are closed or opened through the sound-isolating plate rotation control device. A sealed sound-isolating device is formed when the sound-isolating plates are closed. Gaps are formed among the sound-isolating plates when the sound-isolating plates are opened. L-shaped section shapes of the sound-isolating plates and the L-shaped ventilation gaps formed when the sound-isolating plates are opened can still block a noise transmission route and achieve the effects of noise reduction, ventilation and heat dissipation. The device effectively improves the effect of the noise reduction and is economical and practical.

Description

A kind of sound-proof ventilation unit of preventing and treating noise
Technical field
The invention belongs to the environmental protection field, be specifically related to a kind of sound-proof ventilation unit of preventing and treating noise.
Background technology
The noise that produces when drying in the air equipment operation such as water tower, cooling tower, central air conditioner, transformation station, industrial steam turbine produces bigger noise pollution near resident, school and Office Area.Mainly the propagation of noise approach is stopped at present, thereby reach the purpose of preventing and treating noise pollution by blimp.But need ventilation and heat during owing to the said equipment operation, blimp can't solve the ventilation and heat problem.
Summary of the invention
Purpose of the present invention aims to provide a kind of sound-proof ventilation unit of simple in structure, economical and practical control noise, and it can realize the function of ventilation and heat when reducing noise pollution.
For achieving the above object, the present invention adopts following solution, adopt rotatable sound panel to form sound arrester, when closing, sound panel forms airtight sound arrester, when sound panel is opened, form certain space between the sound panel, because the special cross-section shape and the array combination of sound panel, the noise transmission approach is still formed blocking-up, in noise reduction, reach the effect of ventilation and heat.
A kind of sound-proof ventilation unit of preventing and treating noise, it is made up of bracing frame, sound panel, sound panel control device for pivoting.Sound panel and sound panel control device for pivoting are set on the bracing frame.
Support frame as described above is made up of perpendicular frame, entablature and sill, constitutes rectangular frame by entablature and sill between two groups of perpendicular framves; Perpendicular frame is made up of base and the pillar that is vertically fixed on the base.
The brace summer of sound panel control device for pivoting is connected with two perpendicular framves.
Sound panel is made of two block length square plates, and the angle between the two block length square plates is 30 degree-135 degree, and the xsect of sound panel is L-shaped.
The inner filling porous sound-absorbing material fiber of sound panel; Be that sound panel is made up of two block length square plates, every block length square plate constitute by six panels and the chamber in the rectangle of filling porous sound-absorbing material fiber; One of them face of rectangular slab is provided with sound-absorption hole, and promptly sound panel has sound-absorption hole towards a side of noise source, and the diameter of sound-absorption hole is 6mm-15mm, and perforated area is a sound panel towards 20%-80% of a lateralarea of noise source.
The sound panel control device for pivoting comprises mechanical part and electric control system;
The mechanical part of sound panel rotation controling mechanism is made up of brace summer, drive link, orienting sleeve, hinge sheet supporting seat, underdrive hinge sheet, last transmission hinge sheet.Orienting sleeve is welded on the brace summer, and drive link passes orienting sleeve and is connected with supporting seat welding of hinge sheet or bolt, and an end of underdrive hinge sheet is hinged by bearing pin with hinge sheet supporting seat, and the other end and the last transmission hinge sheet of underdrive hinge sheet are hinged by bearing pin.
The electric control system of sound panel rotation controling mechanism is by power switch, master control borad, frequency converter, electric pushrod.Electric pushrod is connected with power switch with frequency converter by master control borad.
Two ends on the sound panel are provided with rotating shaft.
Sound panel comprises upper strata sound panel and lower floor's sound panel.
The rotating shaft of upper strata sound panel one end is arranged in the axis hole of entablature, and the rotating shaft of the upper strata sound panel other end is arranged in the axis hole of sound panel rotation controling mechanism.
The rotating shaft of lower floor's sound panel one end is arranged in the axis hole of sill, and the rotating shaft of lower floor's sound panel other end is arranged in the axis hole of sound panel rotation controling mechanism;
The axis hole of the axis hole of entablature, the axis hole of sill and sound panel rotation controling mechanism is coaxial.
Opening power, when the moving linearly under the electric pushrod effect of the drive link on the sound panel rotation controling mechanism, driving moves in a circle with the last transmission hinge sheet that it is connected indirectly, because last transmission hinge sheet is hinged with " L " shape sound panel top or bottom rotating shaft, turns an angle thereby drive sound panel.
Sound panel rotates by the sound panel control device for pivoting, forms airtight sound arrester when sound panel turns to closed condition; When sound panel turns to open mode, form certain space between the sound panel, because " L " the tee section shape of sound panel and the space, turning of formation still form certain blocking-up to the noise transmission approach, can ventilation and heat in the control noise.
Principle of work of the present invention is: when sound panel is closed, form airtight sound arrester, sound wave enters the multiporous fiber acoustic absorbant by the sound-absorption hole on the sound panel, with material generation rubbing action, acoustic energy is converted into heat energy, thereby reaches the effect of sound insulation.During the sound panel rotating opening, form the space between the sound panel, " L " shape ventilation gap that forms when opening owing to " L " tee section shape and its of sound panel still forms certain blocking-up to the noise transmission approach, can ventilation and heat in the control noise.
Compared with prior art, the present invention has following advantage:
1, the present invention has effectively improved noise reduction by sound-absorbing sound insulation combination, and is economical and practical.
2, sound panel of the present invention can rotate, and forms the space between the sound panel, because " L " tee section shape of sound panel and the space, turning of opening formation still form blocking-up to the noise transmission approach, and can ventilation and heat between the sound panel.
Description of drawings:
Fig. 1 is the structural representation of the embodiment of the invention under the sound panel closed condition.
Fig. 2 is the structural representation of the embodiment of the invention under the sound panel opening.
Fig. 3 is the structural representation of embodiment of the invention sound panel.
Fig. 4 is that the sound panel of the embodiment of the invention is in closed condition figure.
Fig. 5 is that the sound panel of the embodiment of the invention is in opening figure.
Fig. 6 is the structural drawing of the rotation controling mechanism of the embodiment of the invention.
Fig. 7 is the front view of the sound panel of the embodiment of the invention.
Fig. 8 is the rear view (the figure shaft does not show) of Fig. 7.
Fig. 9 is the left view of Fig. 7.
Figure 10 is the right view of Fig. 7.
Figure 11 is the vertical view of Fig. 7.
Among the figure: 1, bracing frame, 2, sound panel, 3, sill, 4, rotation controling mechanism, 5, entablature, 6, base, 7, top board, sound-absorption hole, 8, acoustic wave source, 9, rotating shaft, 10, sound-absorption hole, 11, drive link, 12, orienting sleeve, 13, hinge sheet supporting seat, 14, underdrive hinge sheet, 15, go up transmission hinge sheet.
Embodiment
Embodiment: the sound panel angle of present embodiment is 90 degree.
Fig. 1, shown in Figure 2, present embodiment is made up of bracing frame 1, sound panel 2, sound panel control device for pivoting 4, and sound panel 2 and sound panel control device for pivoting 4 are set on the bracing frame 1;
Support frame as described above 1 is made up of perpendicular frame, entablature 5 and sill 3, constitutes rectangular frame by entablature 5 and sill 3 between two groups of perpendicular framves; Perpendicular frame is made up of base 6,4 pillars and the some connecting links that are vertically fixed on the base.
Fig. 3, Fig. 7, Fig. 8, Fig. 9, Figure 10, shown in Figure 11, described sound panel 2 is made up of the rectangular slab of two filling porous sound-absorbing material fibers in inside, wherein a block length square plate limit is connected with a limit of another block length square plate, angle between the two block length square plates is 90 degree, and the sound panel of 90 degree angles is a standard specification.
Angle is that the sound panel of other any one angle of 30 degree-135 degree is a non-standard specification.
Sound panel 2 is made up of two block length square plates, every block length square plate is six faces, one of them face is provided with sound-absorption hole, this face that sound-absorption hole is set is towards noise source (be sound panel have sound-absorption hole towards a side of noise source), the diameter of sound-absorption hole is 6mm-15mm, and perforated area is a sound panel towards 20%-80% of a lateralarea of noise source.
The two ends of sound panel are provided with rotating shaft 9;
Sound panel comprises upper strata sound panel and lower floor's sound panel.
The rotating shaft of upper strata sound panel one end is arranged in the axis hole of entablature, and the rotating shaft of the upper strata sound panel other end is arranged in the axis hole of sound panel rotation controling mechanism.
The rotating shaft of lower floor's sound panel one end is arranged in the axis hole of sill, and the rotating shaft of lower floor's sound panel other end is arranged in the axis hole of sound panel rotation controling mechanism;
The axis hole of the axis hole of entablature, the axis hole of sill and sound panel rotation controling mechanism is coaxial.
The sound panel control device for pivoting comprises mechanical part and electric control system;
Rotating shaft 9 is connected with the control gear train; Some sound panels are arranged in row, and when sound panel was when closing state, a row sound panel formed airtight sound insulation interval (shown in Figure 4); Some sound panels are one group in twos, and first sound panel and second sound panel are arranged from beginning to end, towards on the contrary, closedly form concavo-convex profile of tooth.
When sound panel was when opening state, a row sound panel was one group in twos, forms space (shown in Figure 5) between first group and second group;
Shown in Figure 6, the mechanical part of rotation controling mechanism is made up of brace summer, drive link 11, orienting sleeve 12, hinge sheet supporting seat 13, underdrive hinge sheet 14, last transmission hinge sheet 15.Orienting sleeve 12 is welded on the brace summer, drive link 11 passes orienting sleeve 12 and is connected with 13 welding of hinge sheet supporting seat or bolt, one end of underdrive hinge sheet 14 is hinged by bearing pin with hinge sheet supporting seat 13, and the other end and the last transmission hinge sheet 15 of underdrive hinge sheet 14 are hinged by bearing pin.
The electric control system of described rotation controling mechanism is made up of power switch, master control borad, frequency converter, electric pushrod.Electric pushrod is connected with power switch with frequency converter by master control borad.

Claims (9)

1. sound-proof ventilation unit of preventing and treating noise, it is made up of bracing frame, sound panel, sound panel control device for pivoting, and sound panel and sound panel control device for pivoting are set on the bracing frame, and the sound panel control device for pivoting comprises mechanical part; Sound panel is closed or is opened by the sound panel control device for pivoting; Form airtight sound arrester when closing, form the space when opening between the sound panel, " L " shape ventilation gap that forms when " L " tee section shape of sound panel and its are opened still forms blocking-up to the noise transmission approach, can reach the effect of noise reduction and ventilation and heat.
2. a kind of sound-proof ventilation unit of preventing and treating noise according to claim 1, it is characterized in that: described sound panel has sound-absorption hole towards a side of noise source, the diameter of sound-absorption hole is 6mm-15mm, and perforated area is a sound panel towards 20%-80% of a lateralarea of noise source.
3. a kind of sound-proof ventilation unit of preventing and treating noise according to claim 1, it is characterized in that: sound panel is made of two boards, and the angle between the two boards is 30 degree-135 degree.
4. a kind of sound-proof ventilation unit of preventing and treating noise according to claim 1 is characterized in that: support frame as described above is made up of perpendicular frame, entablature and sill, constitutes rectangular frame by entablature and sill between two groups of perpendicular framves; Perpendicular frame is made up of base and the pillar that is vertically fixed on the base.
5. a kind of sound-proof ventilation unit of preventing and treating noise according to claim 1 is characterized in that: described sound panel is made of two block length square plates, and the angle between the two block length square plates is 30 degree-135 degree, and the xsect of sound panel is L-shaped; The inner filling porous sound-absorbing material fiber of sound panel; Sound panel has sound-absorption hole towards a side of noise source, and the diameter of sound-absorption hole is 6mm-15mm, and the perforated area of sound-absorption hole is a sound panel towards 20%-80% of a lateralarea of noise source.
6. a kind of sound-proof ventilation unit of preventing and treating noise according to claim 1 is characterized in that: described sound panel control device for pivoting comprises mechanical part and electric control system; Mechanical part is made up of brace summer, drive link, orienting sleeve, hinge sheet supporting seat, underdrive hinge sheet, last transmission hinge sheet, orienting sleeve is welded on the brace summer, drive link passes orienting sleeve and is connected with supporting seat welding of hinge sheet or bolt, one end of underdrive hinge sheet is hinged by bearing pin with hinge sheet supporting seat, and the other end and the last transmission hinge sheet of underdrive hinge sheet are hinged by bearing pin; The electric control system of sound panel rotation controling mechanism is by power switch, master control borad, frequency converter, electric pushrod; Electric pushrod is connected with power switch with frequency converter by master control borad.
7. a kind of sound-proof ventilation unit of preventing and treating noise according to claim 1, it is characterized in that: the two ends of described sound panel are provided with rotating shaft.
8. a kind of sound-proof ventilation unit of preventing and treating noise according to claim 1, it is characterized in that: described sound panel comprises upper strata sound panel and lower floor's sound panel, the rotating shaft of upper strata sound panel one end is arranged in the axis hole of entablature, and the rotating shaft of the upper strata sound panel other end is arranged in the axis hole of sound panel rotation controling mechanism; The rotating shaft of lower floor's sound panel one end is arranged in the axis hole of sill, and the rotating shaft of lower floor's sound panel other end is arranged in the axis hole of sound panel rotation controling mechanism.
9. a kind of sound-proof ventilation unit of preventing and treating noise according to claim 8 is characterized in that the axis hole of the axis hole of axis hole, sill of entablature and sound panel rotation controling mechanism is coaxial.
CN201310081438.2A 2013-03-14 2013-03-14 Noise-preventing sound-isolating ventilation device Active CN103219002B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310081438.2A CN103219002B (en) 2013-03-14 2013-03-14 Noise-preventing sound-isolating ventilation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310081438.2A CN103219002B (en) 2013-03-14 2013-03-14 Noise-preventing sound-isolating ventilation device

Publications (2)

Publication Number Publication Date
CN103219002A true CN103219002A (en) 2013-07-24
CN103219002B CN103219002B (en) 2015-04-08

Family

ID=48816728

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310081438.2A Active CN103219002B (en) 2013-03-14 2013-03-14 Noise-preventing sound-isolating ventilation device

Country Status (1)

Country Link
CN (1) CN103219002B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422979A (en) * 2015-12-14 2016-03-23 苏州国环环境检测有限公司 Muffler for safety valve for chemical plant
CN106531142A (en) * 2016-10-20 2017-03-22 中国电力科学研究院 Noise-reducing device for transformer substation
CN109435639A (en) * 2018-12-13 2019-03-08 徐州海伦哲特种车辆有限公司 A kind of supply vehicle with intelligent aeration denoising device

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001279618A (en) * 2000-03-30 2001-10-10 Kawasaki Heavy Ind Ltd Soundproof device
CN2705496Y (en) * 2003-12-31 2005-06-22 上海圣丰环保设备有限公司 Ventilation silencing sound absorbing transparent screen
CN2931736Y (en) * 2006-08-10 2007-08-08 深圳中航幕墙工程有限公司 Shutter system
KR100875478B1 (en) * 2007-12-07 2008-12-22 (주)삼정스틸 Road soundproofing wall
CN101903612A (en) * 2007-12-19 2010-12-01 塔尔·史普朗 Window blinds that let in air but block out light
CN201817782U (en) * 2010-06-28 2011-05-04 四川正升声学科技有限公司 Ventilation pressure leakage sound barrier module
CN202227913U (en) * 2011-07-25 2012-05-23 浙江扬帆船舶配件制造有限公司 Pneumatic shutters
CN202451013U (en) * 2011-12-22 2012-09-26 伟能机电设备(深圳)有限公司 Ventilating and silencing shutter
CN202678769U (en) * 2012-06-12 2013-01-16 上海电力修造总厂有限公司 Sound insulation ventilation system for transformer station
CN202755866U (en) * 2012-02-22 2013-02-27 李炳杰 Door/window structure capable of forming air isolation chambers
CN203134362U (en) * 2013-03-14 2013-08-14 山西尚风科技股份有限公司 Sound insulating/ventilating device capable of preventing noise

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001279618A (en) * 2000-03-30 2001-10-10 Kawasaki Heavy Ind Ltd Soundproof device
CN2705496Y (en) * 2003-12-31 2005-06-22 上海圣丰环保设备有限公司 Ventilation silencing sound absorbing transparent screen
CN2931736Y (en) * 2006-08-10 2007-08-08 深圳中航幕墙工程有限公司 Shutter system
KR100875478B1 (en) * 2007-12-07 2008-12-22 (주)삼정스틸 Road soundproofing wall
CN101903612A (en) * 2007-12-19 2010-12-01 塔尔·史普朗 Window blinds that let in air but block out light
CN201817782U (en) * 2010-06-28 2011-05-04 四川正升声学科技有限公司 Ventilation pressure leakage sound barrier module
CN202227913U (en) * 2011-07-25 2012-05-23 浙江扬帆船舶配件制造有限公司 Pneumatic shutters
CN202451013U (en) * 2011-12-22 2012-09-26 伟能机电设备(深圳)有限公司 Ventilating and silencing shutter
CN202755866U (en) * 2012-02-22 2013-02-27 李炳杰 Door/window structure capable of forming air isolation chambers
CN202678769U (en) * 2012-06-12 2013-01-16 上海电力修造总厂有限公司 Sound insulation ventilation system for transformer station
CN203134362U (en) * 2013-03-14 2013-08-14 山西尚风科技股份有限公司 Sound insulating/ventilating device capable of preventing noise

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422979A (en) * 2015-12-14 2016-03-23 苏州国环环境检测有限公司 Muffler for safety valve for chemical plant
CN106531142A (en) * 2016-10-20 2017-03-22 中国电力科学研究院 Noise-reducing device for transformer substation
CN109435639A (en) * 2018-12-13 2019-03-08 徐州海伦哲特种车辆有限公司 A kind of supply vehicle with intelligent aeration denoising device

Also Published As

Publication number Publication date
CN103219002B (en) 2015-04-08

Similar Documents

Publication Publication Date Title
CN101858061B (en) Ventilation pressure leakage sound barrier module
CN103219002B (en) Noise-preventing sound-isolating ventilation device
CN107204180B (en) Rotary forming ventilation and sound insulation device
CN203134362U (en) Sound insulating/ventilating device capable of preventing noise
CN109371863A (en) A kind of bilateral wind-engaging off-load environmental protection sound barrier
CN201817782U (en) Ventilation pressure leakage sound barrier module
CN204626680U (en) Generator room noise eliminating silencer
CN103471419A (en) Directional exhaust noise attenuation system of large machine ventilation cooling tower
CN101899817B (en) Ventilation and pressure release type sound absorption and insulation barrier for high-speed railway
CN203565150U (en) Sound-insulation and sound-absorption cover of mobile cover plate type for ball mill
CN204143867U (en) A kind of U-shaped detachable composite acoustic barrier
CN206976004U (en) A kind of body of revolution ventilation sound arrester
CN103711338A (en) Ultra-silent diesel generating set machine room and noise control method
CN204323242U (en) A kind of power supply compartment air inlet/outlet passage sound arrester
CN204130326U (en) A kind of transformer damped noise reduction device
CN205369569U (en) Can assembled large -scale room ventilation sound -proof housing of repeated dismantlement
CN202451012U (en) Air exhaust silencing shutters
CN202936738U (en) Solar acoustic screen device
CN205935772U (en) Room of making an uproar falls in movable
CN201268890Y (en) Noise-reduction dustproof mobile operation chamber
CN209483125U (en) Fire resistance rolling shutter door based on double track double curtain
CN209307887U (en) Bilateral wind-engaging off-load environmental protection sound barrier
CN206749120U (en) A kind of high velocity ram machine sound proof box
CN201121371Y (en) Soundproofing inner wall surface
CN212647877U (en) Movable ventilation noise reduction cover body device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Noise-preventing sound-isolating ventilation device

Effective date of registration: 20160907

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd.

Registration number: 2016140000011

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20170711

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd.

Registration number: 2016140000011

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Noise-preventing sound-isolating ventilation device

Effective date of registration: 20170714

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd.

Registration number: 2017140000010

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20180710

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd.

Registration number: 2017140000010

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Noise-preventing sound-isolating ventilation device

Effective date of registration: 20180716

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd.

Registration number: 2018140000009

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20191224

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd.

Registration number: 2018140000009

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Noise-preventing sound-isolating ventilation device

Effective date of registration: 20200512

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd.

Registration number: Y2020980002128

PE01 Entry into force of the registration of the contract for pledge of patent right
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 030006 hi tech Development Zone, Shanxi, Taiyuan hi tech international B block, 6 floor

Patentee after: Shangfeng Technology Co.,Ltd.

Address before: 030006 hi tech Development Zone, Shanxi, Taiyuan hi tech international B block, 6 floor

Patentee before: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd.

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210518

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd.

Registration number: Y2020980002128

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A sound insulation and ventilation device for preventing and controlling noise

Effective date of registration: 20210602

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: Shangfeng Technology Co.,Ltd.

Registration number: Y2021140000013

PE01 Entry into force of the registration of the contract for pledge of patent right
CP02 Change in the address of a patent holder

Address after: 030032 floor 18, block B, times Freedom Plaza, No. 190, Longxing street, Shanxi Demonstration District, Taiyuan City, Shanxi Province

Patentee after: Shangfeng Technology Co.,Ltd.

Address before: 030006 6th floor, block B, Gaoxin international, high tech Development Zone, Taiyuan City, Shanxi Province

Patentee before: Shangfeng Technology Co.,Ltd.

CP02 Change in the address of a patent holder
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220601

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: Shangfeng Technology Co.,Ltd.

Registration number: Y2021140000013

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A sound insulation and ventilation device for preventing and controlling noise

Effective date of registration: 20220615

Granted publication date: 20150408

Pledgee: Shanxi Commercial Bank Co.,Ltd. Taiyuan Changzhi Road sub branch

Pledgor: Shangfeng Technology Co.,Ltd.

Registration number: Y2022140000024

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20150408

Pledgee: Shanxi Commercial Bank Co.,Ltd. Taiyuan Changzhi Road sub branch

Pledgor: Shangfeng Technology Co.,Ltd.

Registration number: Y2022140000024

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A sound insulation and ventilation device for preventing and controlling noise

Granted publication date: 20150408

Pledgee: Taiyuan high tech Zone Science and Technology Branch

Pledgor: Shangfeng Technology Co.,Ltd.

Registration number: Y2024140000013

PE01 Entry into force of the registration of the contract for pledge of patent right