CN107575142A - A kind of adaptive ventilated control system of soundproof door - Google Patents
A kind of adaptive ventilated control system of soundproof door Download PDFInfo
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- CN107575142A CN107575142A CN201710683752.6A CN201710683752A CN107575142A CN 107575142 A CN107575142 A CN 107575142A CN 201710683752 A CN201710683752 A CN 201710683752A CN 107575142 A CN107575142 A CN 107575142A
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- fire relief
- ventilating duct
- adaptive
- soundproof door
- microphone
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
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Abstract
The present invention relates to sound insulation and noise reduction technical field, refers specifically to a kind of adaptive ventilated control system of soundproof door；Ventilating duct and circuit system including partition door, low frequency sound-attenuating system is provided with the ventilating duct, low frequency sound-attenuating system includes Audio Controller, secondary sound source, electrically connected respectively with secondary sound source, with reference to microphone and error microphone with reference to microphone and error microphone, Audio Controller；The outside air outlet of the ventilating duct is provided with back-fire relief system, and back-fire relief system, Audio Controller electrically connect with circuit system respectively；The present invention is rational in infrastructure, low-frequency noise frequency that can be in automatic detection soundproof door ventilating duct, and control secondary sound source sends anti-noise sound wave, adjusts frequency error by FX LMS algorithms, effectively reduce noise pollution；Ventilation road junction is provided with smog temperature sensor, and controllable back-fire relief baffle plate blocks ventilating duct automatically, realizes automatic fire prevention back-fire relief and environmental monitoring, integrated automation degree highly compatible is good, is easy to the transformation and upgrading of existing partition door.
Description
Technical field
The present invention relates to sound insulation and noise reduction technical field, refers specifically to a kind of adaptive ventilated control system of soundproof door.
Background technology
There are many heavy-duty machines equipment (such as transformer, compressor and motor) to be installed on interior, in order to which machinery equipment is transported
Needs that are defeated and safeguarding, generally require and are simultaneously opening up the door of a fan larger area, and this fan gate is larger often due to area
The predominating path that indoor machine noise is outwards propagated, while gate also enters wind path often as needed for indoor machine ventilation heat exchange
One of footpath, therefore of this sort environment usually needs installation ventilation soundproof door.Soundproof door of divulging information be usually by pure sound insulation area and
Ventilating noise reduction district's groups are into wherein ventilating noise reduction area uses ventilating noise reduction blinds passage more, sound-absorbing material is filled in passage, so as to reach
To the purpose of the noise reduction when divulging information.
Traditional sound-absorbing means are difficult to be controlled by low frequency range noise, and with the improvement of people's environmental awareness, industry is made an uproar
Sound discharge low-frequency noise problem caused by (such as transformer station's noise) turns into one of environmental problem that can not be ignored.From last century 90
Since age, the complaint triggered by low-frequency noise almost occupies the overwhelming majority in noise tip-offs about environmental issues.Low-frequency noise by
Gradually turn into new " the city disease " for threatening people physically and mentally healthy.Though low-frequency noise to Human Physiology directly affect not as high frequency sound that
It is obvious, the chronic injury of human body can be but caused, long-range influence is produced on the health of human body, harm is at all no less than high-decibel
Medium, high frequency noise.Therefore, the low-frequency noise control performance for how improving ventilation soundproof door is particularly important.Existing ventilation soundproof door
Due to the presence in leg space ventilation area, the Fire retardance at gate is reduced significantly, fire incident be present for transformer room etc.
During the space of potential safety hazard, lack targetedly back-fire relief means, it is easy to cause the condition of a fire outwards to spread, nearby residents are caused to hinder
Evil.Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide one kind is rational in infrastructure, can effectively reduce
Low-frequency noise, cut-off Fire resistances are improved, be easy to transformation and upgrade, the high soundproof door of green intelligence degree is adaptively divulged information
Control system.
To achieve these goals, the present invention uses following technical scheme：
The adaptive ventilated control system of a kind of soundproof door of the present invention, including the ventilating duct of partition door and circuit system
System, the ventilating duct is interior to be provided with low frequency sound-attenuating system, and low frequency sound-attenuating system includes Audio Controller, secondary sound source, with reference to transaudient
Device and error microphone, Audio Controller electrically connect with secondary sound source, with reference to microphone and error microphone respectively；The ventilation
The outside air outlet in road is provided with back-fire relief system, and back-fire relief system, Audio Controller electrically connect with circuit system respectively.
According to above scheme, reference microphone, Audio Controller, secondary sound source and the error microphone are along ventilating duct
Air outlet is set gradually side air inlet laterally.
According to above scheme, the Audio Controller is using FX-LMS algorithms control low frequency sound-attenuating system.
According to above scheme, can be set multiple ventilating ducts on the partition door, and any ventilating duct be equipped with it is independent low
Frequency sound-attenuating system and back-fire relief system.
According to above scheme, the back-fire relief system includes back-fire relief baffle plate, induction installation, servo controller and servomotor,
Back-fire relief baffle plate is rotatably connected on the outside of ventilating duct on air outlet, and servomotor is connected by transmission mechanism with back-fire relief baffle plate,
Servo controller electrically connects respectively at induction installation and servomotor.
According to above scheme, the induction installation includes Smoke Sensor and temperature sensor.
According to above scheme, the servo controller is single-chip microcomputer, the port of servo controller by photoisolator with
Servomotor connects, and servo controller, servomotor electrically connect respectively at circuit system.
According to above scheme, the circuit system includes electric control box, electric control box by winding displacement in parallel respectively with
Low frequency sound-attenuating system, the connection of back-fire relief system, electric control box are provided with alarm lamp and earth leakage protective device.
The present invention has the beneficial effect that：The present invention is rational in infrastructure, low-frequency noise frequency that can be in automatic detection soundproof door ventilating duct
Rate, control secondary sound source send anti-noise sound wave, adjust frequency error by FX-LMS algorithms, effectively reduce noise pollution；Ventilation
Road junction is provided with smog temperature sensor, and controllable back-fire relief baffle plate blocks ventilating duct automatically, realizes automatic fire prevention back-fire relief and environment
Monitoring, integrated automation degree highly compatible is good, is easy to the transformation and upgrading of existing partition door.
Brief description of the drawings
Fig. 1 is the ventilating duct layout structure schematic diagram of the present invention；
Fig. 2 is the piece electrical attachment structure schematic diagram of the present invention.
In figure：
1st, partition door；2nd, low frequency sound-attenuating system；3rd, back-fire relief system；4th, electric control box；11st, ventilating duct；21st, secondary sound
Source；22nd, Audio Controller；23rd, error microphone；24th, with reference to microphone；31st, back-fire relief baffle plate；32nd, induction installation；33rd, servo
Controller；34th, servomotor；41st, alarm lamp；42nd, earth leakage protective device.
Embodiment
Technical scheme is illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the adaptive ventilated control system of a kind of soundproof door of the present invention, includes the ventilation of partition door 1
Road 11 and circuit system, are provided with low frequency sound-attenuating system 2 in the ventilating duct 11, low frequency sound-attenuating system 2 including Audio Controller 22,
Secondary sound source 21, with reference to microphone 24 and error microphone 23, Audio Controller 22 is respectively with secondary sound source 21, with reference to microphone
24 and error microphone 23 electrically connect；The outside air outlet of the ventilating duct 11 is provided with back-fire relief system 3, back-fire relief system 3, audio
Controller 22 electrically connects with circuit system respectively；It is an object of the invention to transform the structure of ventilating duct 11 of existing soundproof door, lead to
Cross low frequency sound-attenuating system 2 to eliminate low frequency noise in ventilating duct 11, the frequency therein that noise is received with reference to microphone 24
And export and send consistent with the frequency signal of noise, opposite in phase antinoise to Audio Controller 22, control secondary sound source 21
Ripple, while error microphone 23 receives remanent noise and feeds back to Audio Controller 22 and corrects device algorithm and be adjusted, so as to
Realize more preferable noise reduction；The port of export of ventilating duct 11 is provided with back-fire relief system 3, so as on fire after open close air channel indoors
11, the sprawling of air and burning things which may cause a fire disaster can be blocked to improve security；Automaticity of the present invention is high, simple in construction to be easy to existing sound insulation
The transformation and upgrading of door.
It is described inboard along ventilating duct 11 with reference to microphone 24, Audio Controller 22, secondary sound source 21 and error microphone 23
Air outlet is set gradually air inlet laterally；It is described to be in the arrival end of ventilating duct 11 with reference to microphone 24 to receive noise, and
The signal frequency of noise is sent to Audio Controller 22, Audio Controller 22 is using FX-LMS algorithms control low frequency sound-attenuating system
2, secondary sound source 21 sends equal with frequency noise signal magnitude and opposite in phase anti-noise sound wave, so as to reduce in ventilating duct 11
The noise intensity passed through, and the error microphone 23 of outer end absorbs remanent noise frequency to feed back to Audio Controller 22, so as to
The frequency of its algorithm correction secondary sound source 21 is corrected, so as to obtain more preferable noise reduction.
Multiple ventilating ducts 11 can be set on the partition door 1, and any ventilating duct 11 is equipped with independent low frequency and eliminated the noise and is
System 2 and back-fire relief system 3；The partition door 1 can arrange the quantity of ventilating duct 11 according to ventilation requirement, enter in any ventilating duct 11
Frequency noise may not be consistent, so as to reduce noise by independent low frequency sound-attenuating system 2, can preferably improve noise reduction effect
Fruit；The back-fire relief system 3 can independence or synchronous interaction, when detecting fire alarm by synchronous interaction close avoid peer machine
Failure.
The back-fire relief system 3 includes back-fire relief baffle plate 31, induction installation 32, servo controller 33 and servomotor 34, back-fire relief
Baffle plate 31 is rotatably connected on the outside air outlet of ventilating duct 11, and servomotor 34 is connected by transmission mechanism and back-fire relief baffle plate 31
Connect, servo controller 33 electrically connects respectively at induction installation 32 and servomotor 34；The back-fire relief baffle plate 31 is fixed under normal conditions
On the air outlet top of ventilating duct 11, room ventilation will not be hindered to circulate, when the detection of induction installation 32 recognizes burning things which may cause a fire disaster signal,
SERVO CONTROL 33 controls servomotor 34 to drive back-fire relief baffle plate 31 to rotate the simultaneously air outlet of enclosed ventilation road 11, prevents fire spreading,
The supply of room air is reduced, can effectively act as stablizing the purpose of the condition of a fire.
The induction installation 32 includes Smoke Sensor and temperature sensor, and induction installation 32 can recognize that smog and temperature become
Change signal, so as to which burning things which may cause a fire disaster signal can only be identified.
The servo controller 33 is single-chip microcomputer, and the port of servo controller 33 passes through photoisolator and servomotor 34
Connection, servo controller 33, servomotor 34 electrically connect respectively at circuit system.
The circuit system includes electric control box 4, electric control box 4 by winding displacement in parallel respectively with low frequency sound-attenuating system
2nd, back-fire relief system 3 connects, and electric control box 4 is provided with alarm lamp 41 and earth leakage protective device 42.
Described above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application scope,
The equivalent change or modification that feature and principle are done, is included in the range of present patent application.
Claims (8)
1. a kind of adaptive ventilated control system of soundproof door, include the ventilating duct (11) and circuit system of partition door (1), its feature
It is：Be provided with low frequency sound-attenuating system (2) in the ventilating duct (11), low frequency sound-attenuating system (2) includes Audio Controller (22), secondary
Level sound source (21), with reference to microphone (24) and error microphone (23), Audio Controller (22) respectively with secondary sound source (21), join
Examine microphone (24) and error microphone (23) electrical connection；The outside air outlet of the ventilating duct (11) is provided with back-fire relief system
(3), back-fire relief system (3), Audio Controller (22) electrically connect with circuit system respectively.
2. the adaptive ventilated control system of soundproof door according to claim 1, it is characterised in that：It is described to refer to microphone
(24), Audio Controller (22), secondary sound source (21) and error microphone (23) along ventilating duct (11) inboard air inlet laterally
Air outlet is set gradually.
3. the adaptive ventilated control system of soundproof door according to claim 1, it is characterised in that：The Audio Controller
(22) using FX-LMS algorithms control low frequency sound-attenuating system (2).
4. the adaptive ventilated control system of soundproof door according to claim 1, it is characterised in that：On the partition door (1)
Multiple ventilating ducts (11) can be set, and any ventilating duct (11) is equipped with independent low frequency sound-attenuating system (2) and back-fire relief system
(3)。
5. the adaptive ventilated control system of soundproof door according to claim 1, it is characterised in that：The back-fire relief system (3)
It is rotatable including back-fire relief baffle plate (31), induction installation (32), servo controller (33) and servomotor (34), back-fire relief baffle plate (31)
Ground is connected on the outside of ventilating duct (11) on air outlet, and servomotor (34) is connected by transmission mechanism with back-fire relief baffle plate (31), is watched
Controller (33) is taken to electrically connect respectively at induction installation (32) and servomotor (34).
6. the adaptive ventilated control system of soundproof door according to claim 5, it is characterised in that：The induction installation (32)
Including Smoke Sensor and temperature sensor.
7. the adaptive ventilated control system of soundproof door according to claim 5, it is characterised in that：The servo controller
(33) it is single-chip microcomputer, the port of servo controller (33) is connected by photoisolator with servomotor (34), servo controller
(33), servomotor (34) electrically connects respectively at circuit system.
8. the adaptive ventilated control system of soundproof door according to claim 1, it is characterised in that：The circuit system includes
Electric control box (4), electric control box (4) are connected with low frequency sound-attenuating system (2), back-fire relief system (3) respectively by winding displacement in parallel,
Electric control box (4) is provided with alarm lamp (41) and earth leakage protective device (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710683752.6A CN107575142A (en) | 2017-08-11 | 2017-08-11 | A kind of adaptive ventilated control system of soundproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710683752.6A CN107575142A (en) | 2017-08-11 | 2017-08-11 | A kind of adaptive ventilated control system of soundproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107575142A true CN107575142A (en) | 2018-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710683752.6A Pending CN107575142A (en) | 2017-08-11 | 2017-08-11 | A kind of adaptive ventilated control system of soundproof door |
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| CN (1) | CN107575142A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088064A (en) * | 2018-01-15 | 2018-05-29 | 青岛理工大学 | Arranged on ventilation nozzle and it is capable of active noise reducing device and the control method that acoustics interacts |
| CN112863469A (en) * | 2020-12-19 | 2021-05-28 | 重庆大学 | Low-frequency super-open ventilation self-adaptive high-efficiency sound absorber |
| CN113658576A (en) * | 2021-08-12 | 2021-11-16 | 西安艾科特声学科技有限公司 | System and method for controlling pipeline active noise |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2064957A (en) * | 1979-12-05 | 1981-06-24 | Hess & Cie Pilgersteg | Fire door |
| DE3212715A1 (en) * | 1982-04-05 | 1983-10-06 | Maico Elektroapparate | Fire-protection device for ventilation channels of buildings |
| KR20140050358A (en) * | 2012-10-19 | 2014-04-29 | (주)윈플랜 | A smoke eliminating vent |
| CN105888455A (en) * | 2016-05-11 | 2016-08-24 | 安徽新盾消防设备有限公司 | Fireproof door with automatic ventilation function |
| CN106761296A (en) * | 2016-12-12 | 2017-05-31 | 南京大学 | Ventilating sound-proof door |
-
2017
- 2017-08-11 CN CN201710683752.6A patent/CN107575142A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2064957A (en) * | 1979-12-05 | 1981-06-24 | Hess & Cie Pilgersteg | Fire door |
| DE3212715A1 (en) * | 1982-04-05 | 1983-10-06 | Maico Elektroapparate | Fire-protection device for ventilation channels of buildings |
| KR20140050358A (en) * | 2012-10-19 | 2014-04-29 | (주)윈플랜 | A smoke eliminating vent |
| CN105888455A (en) * | 2016-05-11 | 2016-08-24 | 安徽新盾消防设备有限公司 | Fireproof door with automatic ventilation function |
| CN106761296A (en) * | 2016-12-12 | 2017-05-31 | 南京大学 | Ventilating sound-proof door |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088064A (en) * | 2018-01-15 | 2018-05-29 | 青岛理工大学 | Arranged on ventilation nozzle and it is capable of active noise reducing device and the control method that acoustics interacts |
| CN108088064B (en) * | 2018-01-15 | 2023-05-23 | 青岛理工大学 | Active noise reduction device arranged on ventilation pipe orifice and capable of realizing acoustic interaction and control method |
| CN112863469A (en) * | 2020-12-19 | 2021-05-28 | 重庆大学 | Low-frequency super-open ventilation self-adaptive high-efficiency sound absorber |
| CN113658576A (en) * | 2021-08-12 | 2021-11-16 | 西安艾科特声学科技有限公司 | System and method for controlling pipeline active noise |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |
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