CN211345793U - But automatically regulated's noise eliminator - Google Patents
But automatically regulated's noise eliminator Download PDFInfo
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- CN211345793U CN211345793U CN201922117004.9U CN201922117004U CN211345793U CN 211345793 U CN211345793 U CN 211345793U CN 201922117004 U CN201922117004 U CN 201922117004U CN 211345793 U CN211345793 U CN 211345793U
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- adjustable
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- transmission gear
- fixed
- transmission rod
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Abstract
An automatically adjustable silencer comprises a driving system 14, a transmission system 15 and an adjustable silencer 16, wherein the adjustable silencer 16 comprises an adjustable silencing sheet 8, a fixed silencing sheet 9 and a silencer outer plate 10; the transmission system 15 comprises a first transmission gear 3, a transverse transmission rod 4, a second transmission gear 5, a support rod 6 and a vertical transmission rod 7, wherein the first transmission gear 3 is linked with the second transmission gear 5 through the transverse transmission rod 4, and the second transmission gear 5 and the vertical transmission rod 7 rotate to drive the adjustable noise elimination sheet 8 to move up and down; the driving system 14 comprises a temperature control switch 1 and a driving motor 2; the automatic adjusting muffler device can automatically realize the adjusting function according to the change of the environmental temperature, and is convenient for equipment maintenance in extreme high-temperature weather.
Description
Technical Field
The utility model relates to a but automatically regulated's noise eliminator belongs to ventilation equipment noise control field.
Background
The silencer is installed at the air inlet and the air outlet of the ventilation equipment, is a common method for solving wind power noise, is used as wind power noise reduction equipment, provides a good working environment for workers in actual production, and plays a very important role.
Mufflers primarily utilize porous sound absorbing materials to reduce noise. The sound absorption material is fixed on the inner wall of the airflow channel or arranged in the pipeline according to a certain mode, so that sound waves enter the sound absorption material, and a part of sound energy is rubbed in the pores of the porous material and converted into heat energy to be dissipated, thereby weakening the sound waves passing through the silencer and achieving the purpose of reducing noise.
In the application field of the silencer, the silencer inevitably meets extreme high-temperature weather or high-temperature environment, the power requirement of the ventilation equipment is increased under the condition, the corresponding air flow speed is increased, the resistance generated between the silencer sheets is in direct proportion to the square of the air flow speed, the excessive resistance loss has certain influence on the power equipment and the ventilation system, and the shutdown phenomenon is caused in severe cases.
At present, most of the solutions to the above problems are to manually remove a part of the muffling sheet inside the muffler to enlarge the flow area or to directly remove the muffler temporarily, and then to recover the muffler as it is when the temperature drops. Similar solutions are limited in that the change of the outside temperature requires repeated labor investment, and repeated disassembly and restoration can also reduce the practical life of the muffler and the ventilation equipment.
The utility model discloses a solve traditional silencer above-mentioned not enough, provide one kind to the ventilation equipment silencer on the basis that does not need repeated dismouting, according to external temperature condition automatically regulated flow area and but an automatically regulated formula silencer of automatic recovery original state.
Disclosure of Invention
The utility model discloses but mainly propose a noise eliminator of automatically regulated to the wind gap silencer that needs frequent dismouting, this noise eliminator that can automatically regulate, including actuating system 14, transmission system 15 and adjustable silencer 16, its characterized in that: the adjustable silencer 16 comprises adjustable silencing pieces 8, fixed silencing pieces 9 and a silencer outer plate 10, wherein the adjustable silencing pieces 8 consist of female thread transmission rods 12 on two sides and middle silencing pieces 13, and the adjustable silencing pieces 8 and the fixed silencing pieces 9 are limited by fixed fins 11 and fixed on the silencer outer plate 10; the transmission system 15 comprises a first transmission gear 3, a transverse transmission rod 4, a second transmission gear 5, a support rod 6 and a vertical transmission rod 7, wherein the first transmission gear 3 is linked with the second transmission gear 5 through the transverse transmission rod 4, the rotation of the first transmission gear 3 enables the transverse transmission rod 4 to generate horizontal displacement to drive the second transmission gear 5 to rotate, and the vertical transmission rod 7 fixed on the second transmission gear 5 rotates to drive the adjustable silencing piece 8 to move up and down; the driving system 14 comprises a temperature control switch 1 and a driving motor 2.
The temperature control switch 1 senses the external environment temperature through a temperature sensor and makes a corresponding instruction for the driving motor 2, when the external temperature is higher than the preset upper temperature limit, the driving motor 2 rotates clockwise, the first transmission gear 3 rotates clockwise in a linkage mode, the transverse transmission rod 4 generates horizontal displacement, the second transmission gear 5 is driven to rotate, the vertical transmission rod 7 fixed to the second transmission gear 5 rotates, the adjustable noise elimination sheet 8 is lifted upwards through thread transmission between the vertical transmission rod 7 and the female thread transmission rods 12 on the two sides, the flow area is enlarged, the ventilation resistance is reduced, and the heat dissipation of equipment is facilitated; when the temperature returns to the preset lower temperature limit, the driving motor 2 rotates anticlockwise, the device is linked in the opposite direction, and the adjustable silencing piece 8 in the rising state returns to the original position.
During the use, can set up the spacing distance of adjustable noise damping piece 8 and fixed noise damping piece 9 according to specific noise damping volume and ventilation demand, synthesize the ventilation equipment in service behavior and confirm that adjustable noise damping piece 8 is specific arranges quantity and position, this system installation is accomplished the back, and when external environment temperature was too high, adjustable noise damping piece 8 upwards produced the displacement, enlarges the through-flow area, reduces the ventilation resistance, is favorable to ventilation equipment work, and when external environment temperature was lower, adjustable noise damping piece 8 was automatic to return to original fixed position.
The vertical transmission rod 7 and the transmission gear II 5 are connected with the adjustable silencing sheet 8 through a female thread transmission rod 12 and are fixed on the outer plate 10 of the silencer through a fixed fin plate 11;
the transverse transmission rod 4 is fixed at the bottom of the adjustable silencer 16 through a support rod 6.
The silencing sheet 8 can realize the automatic adjustment function according to the change of the environmental temperature, and is convenient for equipment maintenance under extreme high-temperature weather.
The temperature control switch 1 drives the driving motor 2 to rotate clockwise or anticlockwise by monitoring the change of the external environment temperature, and provides corresponding power for the first transmission gear 3.
Drawings
FIG. 1 is a schematic view of a muffler body with an automatic adjusting function
FIG. 2 is a front elevation sectional view of a muffler body with automatic adjustment
FIG. 3 is a top view of a muffler body with automatic adjustment
FIG. 4 is a schematic view of an adjustable muffler plate assembly
FIG. 5 is a schematic diagram of a self-adjusting muffler drive system
FIG. 6 is an external view of an automatically adjustable muffler
Wherein:
1 is a temperature control switch
2 is a driving motor
3 is a transmission gear 1
4 is a transverse transmission rod
5 is a transmission gear II
6 is a support rod
7 is a vertical transmission rod
8 is an adjustable noise elimination sheet
9 fixed type silencing sheet
10 is a silencer outer plate
11 is a fixed fin plate
12 is a female thread transmission rod
13 is a middle silencing sheet
14 is a drive system
15 is a transmission system
16 an adjustable muffler.
Detailed Description
The following description of the embodiments of the invention with reference to the drawings
As shown in fig. 6, an automatically adjustable muffler device includes a driving system 14, a transmission system 15, and an adjustable muffler 16;
as shown in fig. 1 to 5, an adjustable muffling sheet 8 and a fixed muffling sheet 9 are installed in the middle of the adjustable muffler 16, wherein the adjustable muffling sheet 8 and the fixed muffling sheet 9 are arranged at a certain distance and staggered on the inner wall of the outer muffler plate 10, and only the fixed muffling sheet 9 is arranged at the position of the adjustable muffler 16 close to the edge; the transmission system 15 is positioned at the bottoms of the head and the tail of the adjustable silencing piece 8 and is connected with the adjustable silencing piece 8 through the vertical transmission rod 7; a driving motor 2 in the driving system 14 is fixed at the lower part of the adjustable silencer 16 and is linked with a transmission system 15 through a first transmission gear 3;
the temperature control switch 1 senses the external environment temperature through a temperature sensor and makes a corresponding instruction for the driving motor 2, when the external temperature is higher than the preset upper temperature limit, the driving motor 2 rotates clockwise, the first transmission gear 3 rotates clockwise in a linkage mode, the transverse transmission rod 4 generates horizontal displacement, the second transmission gear 5 is driven to rotate, the vertical transmission rod 7 fixed to the second transmission gear 5 rotates, the adjustable noise elimination sheet 8 is lifted upwards through thread transmission between the vertical transmission rod 7 and the female thread transmission rods 12 on the two sides, the flow area is enlarged, the ventilation resistance is reduced, and the heat dissipation of equipment is facilitated; when the temperature returns to the preset lower temperature limit, the driving motor 2 rotates anticlockwise, the device is linked in the opposite direction, and the adjustable silencing piece 8 in the rising state returns to the original position.
During the use, can set up the spacing distance of adjustable noise damping piece 8 and fixed noise damping piece 9 according to specific noise damping volume and ventilation demand, synthesize the ventilation equipment in service behavior and confirm that adjustable noise damping piece 8 is specific arranges quantity and position, this system installation is accomplished the back, and when external environment temperature was too high, adjustable noise damping piece 8 upwards produced the displacement, enlarges the through-flow area, reduces the ventilation resistance, is favorable to ventilation equipment work, and when external environment temperature was lower, adjustable noise damping piece 8 was automatic to return to original fixed position.
Technical effects
The utility model discloses but automatically regulated's noise eliminator of claim protection provides convenience for ventilation equipment silencer regulation under high temperature environment condition. Frequent disassembly and assembly operations can be avoided, manpower resource investment is saved, equipment operation is facilitated, and the service lives of the ventilation equipment and the noise elimination device are prolonged.
The above description is only one embodiment of the present invention, and not all or only one embodiment, and any equivalent changes adopted by a person skilled in the art to the technical solutions of the present invention through reading the present specification are covered by the claims of the present invention.
Claims (3)
1. An automatically adjustable sound-damping device comprising a drive system (14), a transmission system (15) and an adjustable sound-damping device (16), characterized in that: the adjustable silencer (16) comprises adjustable silencing pieces (8), fixed silencing pieces (9) and a silencer outer plate (10), wherein each adjustable silencing piece (8) consists of female thread transmission rods (12) on two sides and a middle silencing piece (13), and the adjustable silencing pieces (8) and the fixed silencing pieces (9) are limited by fixed fins (11) and fixed on the silencer outer plate (10); the transmission system (15) comprises a first transmission gear (3), a transverse transmission rod (4), a second transmission gear (5), a support rod (6) and a vertical transmission rod (7), the first transmission gear (3) is linked with the second transmission gear (5) through the transverse transmission rod (4), the rotation of the first transmission gear (3) enables the transverse transmission rod (4) to generate horizontal displacement, the second transmission gear (5) is driven to rotate, the vertical transmission rod (7) fixed on the second transmission gear (5) is enabled to rotate, and the adjustable silencing piece (8) is driven to move up and down; the driving system (14) comprises a temperature control switch (1) and a driving motor (2); the temperature control switch (1) senses the temperature of the external environment through a temperature sensor and makes a corresponding instruction for the driving motor (2), when the external temperature is higher than the upper limit of the preset temperature, the driving motor (2) rotates clockwise, the first transmission gear (3) is linked to rotate clockwise, the transverse transmission rod (4) generates horizontal displacement, the second transmission gear (5) is driven to rotate, the vertical transmission rod (7) fixed on the second transmission gear (5) is further driven to rotate, and the adjustable noise elimination sheet (8) is lifted upwards through thread transmission between the vertical transmission rod (7) and the female thread transmission rods (12) on the two sides; when the temperature is recovered to the preset temperature lower limit, the driving motor (2) rotates anticlockwise, the device is linked in the opposite direction, and the adjustable silencing piece (8) in the rising state is recovered to the original position.
2. The automatically adjustable muffling device of claim 1, wherein: the vertical transmission rod (7) and the second transmission gear (5) are connected with the adjustable silencing sheet (8) through the female thread transmission rod (12) and are fixed on the outer plate (10) of the silencer through the fixed fin plate (11).
3. The automatically adjustable muffling device of claim 1, wherein: the transverse transmission rod (4) is fixed at the bottom of the adjustable silencer (16) through a support rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117004.9U CN211345793U (en) | 2019-11-29 | 2019-11-29 | But automatically regulated's noise eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117004.9U CN211345793U (en) | 2019-11-29 | 2019-11-29 | But automatically regulated's noise eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211345793U true CN211345793U (en) | 2020-08-25 |
Family
ID=72136789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922117004.9U Expired - Fee Related CN211345793U (en) | 2019-11-29 | 2019-11-29 | But automatically regulated's noise eliminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211345793U (en) |
-
2019
- 2019-11-29 CN CN201922117004.9U patent/CN211345793U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20201129 |