CN106482318A - A kind of adjustable air-conditioning duct deafener - Google Patents
A kind of adjustable air-conditioning duct deafener Download PDFInfo
- Publication number
- CN106482318A CN106482318A CN201610833647.1A CN201610833647A CN106482318A CN 106482318 A CN106482318 A CN 106482318A CN 201610833647 A CN201610833647 A CN 201610833647A CN 106482318 A CN106482318 A CN 106482318A
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- China
- Prior art keywords
- baffle
- piston
- cylinder
- deafener
- connecting tube
- 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.)
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 238000012795 verification Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The present invention proposes a kind of adjustable air-conditioning duct deafener, this deafener has adjustable frequency, the function of transmission loss, can directly adjust relevant parameter in verification experimental verification, with the noise situations of accurate match air conditioning system, thus effectively, fast and accurately designing suitable deafener.The present invention includes a cylinder being respectively arranged at two ends with first baffle, second baffle, and inner hollow, and the outside of first baffle is provided with the first connecting tube connecting with inner barrel, and the outside of second baffle is provided with the second connecting tube connecting with inner barrel；It is critical only that and the piston that can move axially along cylinder, movable sealing between the edge of piston and cylinder inboard wall are installed in described cylinder；Described piston is provided with through hole, and the side of piston is provided with the regulation pipe connecting with described through hole, and described regulation pipe extend in the first connecting tube, and with the first connecting tube movable sealing；Described deafener is additionally provided with the piston position governor motion for regulating piston position in cylinder.
Description
Technical field
The present invention relates to automobile air conditioning technology field, it is related specifically to a kind of air-conditioning duct deafener.
Background technology
Develop rapidly with automobile market specialty NVH technology, the development of NVH test specification and requirement and maturation, user couple
In automobile ride comfort, higher and higher requirement is proposed.For meeting the demand of comfortableness driving it is desirable to auto parts and components are setting
Timing can take into full account the noise level in car running process, improves car steering comfortableness.Air conditioning system is produced in running
Raw noise is that Automobile Design produces the primary problem solving.Due to the restriction of prior art and testing equipment, air conditioning for automobiles system
System noise still not can effectively solve the problem that, and verifies resource-constrained designing and developing step-by-step test, and air conditioning system is produced in running
Raw noise, different with coolant state, the requirement of the frequency noise of required solution is all different, and complicated operating mode is verified,
Cycle is longer, demand resource excessive, is still unable to effectively solving noise problem.
Content of the invention
The purpose of the present invention is to propose to a kind of adjustable air-conditioning duct deafener, this deafener has adjustable frequency, biography
Pass the function of loss, directly can adjust relevant parameter in verification experimental verification, with the noise situations of accurate match air conditioning system,
Thus effectively, fast and accurately designing suitable deafener, farthest solve the noise of air conditioning system.
The adjustable air-conditioning duct deafener of the present invention includes one and is respectively arranged at two ends with first baffle, second baffle,
And the cylinder of inner hollow, the outside of described first baffle is provided with the first connecting tube connecting with inner barrel, second baffle
Outside the second connecting tube being connected with inner barrel is installed；It is critical only that and be provided with described cylinder and axially can move along cylinder
Dynamic piston, movable sealing between the edge of piston and cylinder inboard wall；Described piston is provided with through hole, and the side of piston be provided with
The regulation pipe of described through hole connection, described regulation pipe extend in the first connecting tube, and with the first connecting tube movable sealing；Described
Deafener is additionally provided with the piston position governor motion for regulating piston position in cylinder.
Using piston position governor motion come regulating piston the position in cylinder, you can change cylinder in effective sky
Between, thus realizing changing the length effect of expansion deafener, principle is realized change the effect of noise reduction frequency.
Specifically, described piston position governor motion include one pass through first baffle the first adjustment bolt, first
Movable sealing between adjustment bolt and first baffle；Described piston is provided with internal thread hole, spiral shell in described first adjustment bolt screw-in
In pit；The nut of the first adjustment bolt end is resisted against at end or the first baffle of the first connecting tube, to limit the first tune
Whole bolt moves to cylinder direction；It is provided between piston and first baffle for promoting piston to away from the first connecting tube direction
The first compression spring.Piston is promoted by the first compression spring to away from the first connecting tube direction, and piston driving first adjusts spiral shell
Bolt moves to away from the first connecting tube direction, but the first adjustment bolt by the end of the first connecting tube or first baffle spacing and no
Method moves, and the first adjustment bolt can utilize the rotation of its own so that piston moves axially along cylinder simultaneously, such first pressure
Contracting spring is coordinated with the first adjustment bolt and constitutes piston position governor motion so that piston position is adjustable.
Further, rock for making the first adjustment bolt not produce, described first baffle is provided with the first position-limiting tube, described
One adjustment bolt passes through the first position-limiting tube.First position-limiting tube increases the spacing length to the first adjustment bolt, improves it steady
Qualitative.
Further, described first baffle and piston are equipped with location hole, and the two ends of described first compression spring are inserted respectively
Enter the positioning in the hole to first baffle, piston.Location hole is matched with the first compression spring, realizes its radial positioning, so may be used
Produce noise to prevent the first compression spring from arbitrarily rocking in cylinder or to rotate.
Further, being additionally provided with described cylinder can be along the extension of cylinder axial movement, and one end of described extension is stretched
Enter in the second connecting tube, and with the second connecting tube movable sealing；Described deafener is additionally provided with for adjusting extension in cylinder
The extension position adjusting mechanism of interior position.Adjust position in cylinder for the extension using extension position adjusting mechanism,
I.e. adjustment extension to realize different length relative to the axial gap of cylinder bottom surface, thus realizing changing a quarter deafener
Noise reduction frequency, in conjunction with the noise reduction frequency range of expansion deafener, thus realize changing the maximum delivered loss under certain frequency.
Specifically, described extension position adjusting mechanism includes second adjustment bolt passing through second baffle, the
Movable sealing between two adjustment bolts and second baffle；The lateral wall of extension is arranged in the prominent part of an accessory plate, and described accessory plate sets
There is internal thread hole, the second adjustment bolt screws in internal thread hole；The nut of the second adjustment bolt end is resisted against the second connecting tube
End or second baffle at, with limit the second adjustment bolt to cylinder direction move；The accessory plate of extension and second baffle
Between be provided with for by extension to away from second connecting tube direction promote the second compression spring.Extension position adjusting mechanism
Operation principle similar with piston position governor motion, here is omitted.
Further, described second baffle is provided with the second position-limiting tube, and described second adjustment bolt passes through the second position-limiting tube.The
Two position-limiting tubes increase the spacing length to the second adjustment bolt, improve its stability.
Further, described second baffle and accessory plate are equipped with location hole, and the two ends of described second compression spring are respectively
It is inserted into the positioning in the hole of second baffle, accessory plate.Location hole is matched with the second compression spring, realizes its radial positioning, this
Sample can prevent the second compression spring from arbitrarily rocking in cylinder or rotating and produce noise.
Further, for convenience of manufacturing, described first baffle, second baffle are installed on respectively by way of screw thread coordinates
The end of cylinder.
The adjustable air-conditioning duct deafener of the present invention, by setting up piston, the extension of adjustable position, will be expanded
Deafener and a quarter deafener are combined, can be by the effective frequency of a quarter deafener and expansion deafener
Frequency combines, and changes the transmission loss of noise reduction bandwidth and noise reduction, in test step-less adjustment, reaches maximum using deafener knot
The purpose of structure, can change the matching frequency of deafener, thus effectively, fast and accurately designing suitable in Qualify Phase
Deafener, shortens design time.
Brief description
Fig. 1 is the axonometric drawing of the deafener of the present invention.
Fig. 2 is the profile of the deafener of the present invention along axis.
Fig. 3 is the partial schematic diagram of piston and cylinder in the present invention.
Fig. 4 is the partial schematic diagram at extension in the present invention.
Fig. 5 is the schematic diagram of kidney-shaped pressing plate in the present invention.
Fig. 6 is the adjustment schematic diagram of the deafener of the present invention.
In figure is labeled as：1st, cylinder；2nd, first baffle；3rd, second baffle；4th, the first connecting tube；5th, the second connecting tube；6、
Piston；61st, through hole；7th, regulation pipe；8th, the first position-limiting tube；9th, the first adjustment bolt；10th, kidney-shaped pressing plate；11st, the first compression bullet
Spring；12nd, extension；121st, accessory plate；13rd, the second position-limiting tube；14th, the second adjustment bolt；15th, the second compression spring.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, for example involved to the specific embodiment of the present invention is each
Mutual alignment between the shape of component, construction, each several part and annexation, the effect of each several part and operation principle etc. are made into one
The detailed description of step.
Embodiment 1：
As illustrated, the adjustable air-conditioning duct deafener of the present embodiment includes the cylinder 1 of an inner hollow, cylinder 1
Two ends are provided with first baffle 2, second baffle 3 respectively by way of screw thread coordinates, and the outside of described first baffle 2 is provided with
First connecting tube 4 that connect internal with cylinder 1, the outside of second baffle 3 is provided with second connecting tube that connect internal with cylinder 1
5；The diameter parallel of the first connecting tube 4, the second connecting tube 5 and cylinder 1；Being provided with cylinder 1 can be along the work of cylinder 1 axial movement
Plug 6, by O-shaped rubber ring come movable sealing between the edge of piston 6 and cylinder 1 inwall；Described piston 6 is provided with through hole 61, and
The side of piston 6 is provided with the regulation pipe 7 connecting with described through hole 61, and described regulation pipe 7 extend in the first connecting tube 4, and with
First connecting tube 4 is by O-shaped rubber ring come movable sealing；Described deafener is additionally provided with for regulating piston 6 position in cylinder 1
Piston position governor motion.
In the present embodiment, the side of first baffle 2 is fixed with the first position-limiting tube 8, and piston position governor motion includes
One the first adjustment bolt 9 passing through the first position-limiting tube 8 and first baffle 2, logical between the first adjustment bolt 9 and first baffle 2
Cross O-shaped rubber ring movable sealing, its O-shaped rubber ring compresses by kidney-shaped pressing plate 10（First adjustment bolt 9 passes through kidney-shaped pressing plate 10
Center through hole and O-shaped rubber ring, and kidney-shaped pressing plate 10 is fixed on first baffle 2 using screw, thus O-shaped rubber ring is compressed
Between kidney-shaped pressing plate 10 and first baffle 2）.Piston 6 is provided with internal thread through hole in its acentric position, the first adjustment bolt
9 end screws in internal thread hole；The lower half of the nut of the first adjustment bolt 9 is resisted against the end of the first connecting tube 4, to limit
Make the first adjustment bolt 9 to move to cylinder 1 direction；Be provided between piston 6 and first baffle 2 for by piston 6 to away from first
The first compression spring 11 that connecting tube 4 direction promotes, first baffle 2 and piston 6 are equipped with location hole, described first compression spring
11 two ends are inserted respectively into the positioning in the hole of first baffle 2, piston 6, to avoid the first compression spring 11 to rotate.
Piston 6 is promoted by the first compression spring 11 to away from the first connecting tube 4 direction, and piston 6 drives the first adjustment bolt 9
To away from the first connecting tube 4 direction move, but the first adjustment bolt 9 by the end of the first connecting tube 4 or first baffle 2 spacing and
Cannot move, the first adjustment bolt 9 can be using the rotation of its own so that piston 6 moves axially along cylinder 1, so simultaneously
First compression spring 11 is coordinated with the first adjustment bolt 9 and constitutes piston position governor motion so that piston 6 position is adjustable, changes
Becoming the useful space in cylinder 1, thus realizing changing the length effect of expansion deafener, principle being realized change noise reduction frequency
Effect.
Being additionally provided with cylinder 1 can be along the extension 12 of cylinder 1 axial movement, and one end of described extension 12 extend into second
In connecting tube 5, and with the second connecting tube 5 by O-shaped rubber ring come movable sealing；Described deafener is additionally provided with and extends for adjusting
The extension position adjusting mechanism of pipe 12 position in cylinder 1.
In the present embodiment, the side of second baffle 3 is fixed with the second position-limiting tube 13, extension position adjusting mechanism bag
Include second adjustment bolt 14 passing through the second position-limiting tube 13 and second baffle 3, the second adjustment bolt 14 and second baffle 3 it
Between by O-shaped rubber ring come movable sealing；The lateral wall of extension 12 is arranged in the prominent part of an accessory plate 121, and described accessory plate 121 sets
There is internal thread through hole, the end of the second adjustment bolt 14 screws in internal thread hole；The nut of the second adjustment bolt 14 end against
In the end of the second connecting tube 5, moved to cylinder 1 direction with limiting the second adjustment bolt 14；The accessory plate 121 of extension 12 with
Be provided between second baffle 3 for by extension 12 to the second compression spring 15 promoting away from the second connecting tube 5 direction, second
Baffle plate 3 and accessory plate 121 are equipped with location hole, and the two ends of described second compression spring 15 are inserted respectively into second baffle 3, auxiliary
The positioning in the hole of plate 121, to prevent the second compression spring 15 from rotating.
Adjust position in cylinder 1 for the extension 12 using extension position adjusting mechanism, thus realizing changing four points
One of deafener noise reduction frequency, in conjunction with expansion deafener noise reduction frequency range, thus realizing changing the maximum under certain frequency
Transmission loss.
Claims (9)
1. a kind of adjustable air-conditioning duct deafener, is respectively arranged at two ends with first baffle, second baffle including one, and internal
The cylinder of hollow, the outside of described first baffle is provided with the first connecting tube connecting with inner barrel, the outside of second baffle
The second connecting tube being connected with inner barrel is installed；It is characterized in that be provided with described cylinder can be along cylinder axial movement
Piston, movable sealing between the edge of piston and cylinder inboard wall；Described piston is provided with through hole, and the side of piston be provided with described
The regulation pipe of through hole connection, described regulation pipe extend in the first connecting tube, and with the first connecting tube movable sealing；Described noise reduction
Device is additionally provided with the piston position governor motion for regulating piston position in cylinder.
2. adjustable air-conditioning duct deafener according to claim 1 is it is characterised in that described piston position adjusts machine
Structure includes first adjustment bolt passing through first baffle, movable sealing between the first adjustment bolt and first baffle；Described
Piston is provided with internal thread hole, and described first adjustment bolt screws in internal thread hole；The nut of the first adjustment bolt end is resisted against
At the end of the first connecting tube or first baffle, moved to cylinder direction with limiting the first adjustment bolt；Piston and first baffle
Between be provided with for by piston to away from first connecting tube direction promote the first compression spring.
3. adjustable air-conditioning duct deafener according to claim 2 is it is characterised in that described first baffle is provided with
One position-limiting tube, described first adjustment bolt passes through the first position-limiting tube.
4. adjustable air-conditioning duct deafener according to claim 2 is it is characterised in that described first baffle and piston
It is equipped with location hole, the two ends of described first compression spring are inserted respectively into the positioning in the hole of first baffle, piston.
5. the adjustable air-conditioning duct deafener according to claim 1 or 2 or 3 or 4 is it is characterised in that in described cylinder
It is additionally provided with and can extend in the second connecting tube along the extension of cylinder axial movement, one end of described extension, and with second even
Taking-over activity seals；Described deafener is additionally provided with the extension position adjusting mechanism for adjusting extension position in cylinder.
6. adjustable air-conditioning duct deafener according to claim 5 is it is characterised in that described extension position adjustments
Mechanism includes second adjustment bolt passing through second baffle, movable sealing between the second adjustment bolt and second baffle；Prolong
The lateral wall stretching pipe is arranged in the prominent part of an accessory plate, and described accessory plate is provided with internal thread hole, and the second adjustment bolt screws in internal thread hole
Interior；The nut of the second adjustment bolt end is resisted against at end or the second baffle of the second connecting tube, to limit the second adjustment spiral shell
Bolt moves to cylinder direction；Be provided between the accessory plate of extension and second baffle for by extension to away from the second connecting tube
The second compression spring that direction promotes.
7. adjustable air-conditioning duct deafener according to claim 6 is it is characterised in that described second baffle is provided with
Two position-limiting tubes, described second adjustment bolt passes through the second position-limiting tube.
8. adjustable air-conditioning duct deafener according to claim 6 is it is characterised in that described second baffle and auxiliary
Plate is equipped with location hole, and the two ends of described second compression spring are inserted respectively into the positioning in the hole of second baffle, accessory plate.
9. adjustable air-conditioning duct deafener according to claim 1 is it is characterised in that described first baffle, second gear
Plate is installed on the end of cylinder respectively by way of screw thread coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833647.1A CN106482318B (en) | 2016-09-20 | 2016-09-20 | A kind of adjustable air-conditioning duct muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833647.1A CN106482318B (en) | 2016-09-20 | 2016-09-20 | A kind of adjustable air-conditioning duct muffler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106482318A true CN106482318A (en) | 2017-03-08 |
| CN106482318B CN106482318B (en) | 2019-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833647.1A Active CN106482318B (en) | 2016-09-20 | 2016-09-20 | A kind of adjustable air-conditioning duct muffler |
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| Country | Link |
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| CN (1) | CN106482318B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488013A (en) * | 2018-05-11 | 2018-09-04 | 杭叉集团股份有限公司 | A kind of fork truck intake muffler |
| CN108819653A (en) * | 2018-04-25 | 2018-11-16 | 奇瑞汽车股份有限公司 | Muffler and adjustable muffler model for the design typification muffler |
| CN110116601A (en) * | 2018-02-06 | 2019-08-13 | 上海汽车集团股份有限公司 | A kind of air-conditioning duct silencer |
| CN114279000A (en) * | 2021-12-02 | 2022-04-05 | 珠海格力电器股份有限公司 | Switchable silencer and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210298A (en) * | 1995-02-06 | 1996-08-20 | Fuji Electric Co Ltd | Muffler for blower |
| JPH08261550A (en) * | 1995-03-24 | 1996-10-11 | Eakonsutaa Kk | Muffler for air conditioner |
| CN203857657U (en) * | 2014-04-17 | 2014-10-01 | Tcl空调器(中山)有限公司 | Air conditioner and silencer thereof |
| CN104501389A (en) * | 2014-12-24 | 2015-04-08 | 博耐尔汽车电气系统有限公司 | Pipeline silencer structure of automobile air conditioning system |
| CN105222319A (en) * | 2014-05-29 | 2016-01-06 | 扬州杰信电装空调有限公司 | Automobile air conditioning system system pipeline muffler |
-
2016
- 2016-09-20 CN CN201610833647.1A patent/CN106482318B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210298A (en) * | 1995-02-06 | 1996-08-20 | Fuji Electric Co Ltd | Muffler for blower |
| JPH08261550A (en) * | 1995-03-24 | 1996-10-11 | Eakonsutaa Kk | Muffler for air conditioner |
| CN203857657U (en) * | 2014-04-17 | 2014-10-01 | Tcl空调器(中山)有限公司 | Air conditioner and silencer thereof |
| CN105222319A (en) * | 2014-05-29 | 2016-01-06 | 扬州杰信电装空调有限公司 | Automobile air conditioning system system pipeline muffler |
| CN104501389A (en) * | 2014-12-24 | 2015-04-08 | 博耐尔汽车电气系统有限公司 | Pipeline silencer structure of automobile air conditioning system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116601A (en) * | 2018-02-06 | 2019-08-13 | 上海汽车集团股份有限公司 | A kind of air-conditioning duct silencer |
| CN108819653A (en) * | 2018-04-25 | 2018-11-16 | 奇瑞汽车股份有限公司 | Muffler and adjustable muffler model for the design typification muffler |
| CN108819653B (en) * | 2018-04-25 | 2021-12-28 | 奇瑞汽车股份有限公司 | Silencer and adjustable silencer model for designing and shaping silencer |
| CN108488013A (en) * | 2018-05-11 | 2018-09-04 | 杭叉集团股份有限公司 | A kind of fork truck intake muffler |
| CN114279000A (en) * | 2021-12-02 | 2022-04-05 | 珠海格力电器股份有限公司 | Switchable silencer and air conditioner |
| CN114279000B (en) * | 2021-12-02 | 2022-12-16 | 珠海格力电器股份有限公司 | Switchable silencer and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106482318B (en) | 2019-06-14 |
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