CN115524402A - Testing method of noise testing device for vibration damping material for air conditioner outdoor unit - Google Patents
Testing method of noise testing device for vibration damping material for air conditioner outdoor unit Download PDFInfo
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- CN115524402A CN115524402A CN202210559763.4A CN202210559763A CN115524402A CN 115524402 A CN115524402 A CN 115524402A CN 202210559763 A CN202210559763 A CN 202210559763A CN 115524402 A CN115524402 A CN 115524402A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/015—Attenuation, scattering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
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Abstract
The invention discloses a test method of a noise test device of a vibration damping material for an air conditioner outdoor unit, which relates to the field of vibration damping material test, wherein the test device comprises a rack arranged in a semi-silencing chamber, a push handle is arranged on the side surface of the rack, universal wheels are arranged at the bottom end of the rack, the air conditioner outdoor unit is arranged on the rack, microphones are arranged on the periphery of the air conditioner outdoor unit, the microphones are electrically connected with a noise vibration test analysis system and provide collected noise sources for the system, and a position adjusting mechanism for changing the horizontal positions of supporting legs of the air conditioner outdoor unit is arranged on the rack.
Description
Technical Field
The invention relates to the field of vibration damping material testing, in particular to a testing method of a noise testing device of a vibration damping material for an air conditioner outdoor unit.
Background
The existing vibration damping pad for the air conditioner external unit has a very good use effect, and some enterprises can carry out noise test on the vibration damping pad in the research and development stage through market research and user feedback, but the obtained data has low reliability and long feedback period, so that the vibration damping pad with good performance is not beneficial to research and development.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
a testing method of a noise testing device for a vibration damping material of an air conditioner outdoor unit comprises a rack arranged in a semi-silencing chamber, wherein a push handle is installed on the side face of the rack, universal wheels are arranged at the bottom end of the push handle, the air conditioner outdoor unit is arranged on the rack, microphones are arranged on the periphery of the air conditioner outdoor unit, the lower ends of supporting legs of the air conditioner outdoor unit are connected with vibration damping pads through bolts, the microphones are electrically connected with a noise vibration testing and analyzing system and provide collected noise sources for the system, the noise vibration testing and analyzing system is used for comparing and analyzing data differences of the noise sources before and after the air conditioner outdoor unit is operated in different environment operation modes and the vibration damping material is used, and a position adjusting mechanism for changing the horizontal position of the supporting legs of the air conditioner outdoor unit is arranged on the rack.
Preferably, it has four structure symmetries and arranges in the outer machine of air conditioner peripheral groove of stepping down to open in the frame, the inslot that steps down is equipped with the telescopic baffle, the frame lower extreme is equipped with the driven drive mechanism one of driving baffle along the inslot up-and-down motion of stepping down, the position of microphone is adjustable and can be along with the change self-adaptation regulation of baffle position, the frame lower extreme still is equipped with driven drive mechanism two that drives the change of microphone position, be equipped with initiative actuating mechanism on the frame bottom plate and be used for driving driven drive mechanism one and driven drive mechanism two motions.
Preferably, driven driving mechanism one is including installing in the stabilizer bar between the roof of frame and bottom plate and rotating the threaded rod of connecting between the roof of frame and bottom plate, the baffle outside is equipped with slider one and slider two, the slider cup joints outside the stabilizer bar, the slider cup joints outside the threaded rod, and opens in the slider two has the screw hole that uses with the threaded rod cooperation, stabilizer bar cup joints driven gear one outward, the threaded rod cup joints driven gear spare outward.
Preferably, the driven gear member comprises gears at both ends and a connecting member in the middle.
Preferably, the driving mechanism comprises a vertical frame installed on a bottom plate of the rack, the lower end of the vertical frame is connected with a second driven gear in a rotating mode, a driving gear is arranged below the second driven gear, the driving gear is connected with an output shaft of a first motor, the first motor is installed on the bottom plate of the rack, a first air cylinder and a second air cylinder are arranged on the bottom plate of the rack and distributed on two sides of the second driven gear, a first clip in a shape like the Chinese character 'ji' is arranged on the first air cylinder, a second clip in the shape like the Chinese character 'ji' is arranged on the second air cylinder, and a third driven gear is connected to the second clip in a rotating mode.
Preferably, the top plate and the bottom plate of the first clamping piece are respectively located at the upper side and the lower side of the first driven gear, and the top plate and the bottom plate of the second clamping piece are respectively located at the upper side and the lower side of the second driven gear.
Preferably, the second driven driving mechanism comprises a support A and a support B which are rotationally connected with the microphone, the lower ends of the support A and the support B are rotationally connected to a fixed shaft, the fixed shaft is installed on a bottom plate of the rack, an arc-shaped rack A is arranged on the support A, an arc-shaped rack B is arranged on the support B, the arc-shaped rack A is meshed with the second driven gear, and the arc-shaped rack B is meshed with the driving gear.
Preferably, the baffle plate is provided with a slot, and inserting plates made of different materials can be inserted into the slot.
Preferably, the position adjusting mechanism comprises two substrates which are arranged on the frame and have symmetrical structures, a supporting plate and a rotating shaft are rotatably connected between the two substrates, a cam is arranged on the rotating shaft, the edge of the cam is abutted against the lower end of the supporting plate, one end of the rotating shaft is connected with an output shaft of a second motor, the second motor is arranged on one substrate, a supporting block is further arranged on the frame, and the height of the supporting block is the same as that of the supporting block when the surface of the supporting plate is parallel to the upper surface of the frame.
The invention has the beneficial effects that:
1. the position-adjustable microphones are arranged around the air conditioner outdoor unit, the position and decibel of a sound source are collected, and the data difference of the noise sound source of the air conditioner outdoor unit under different operating environment operation modes and before and after the vibration damping material is used is contrasted and analyzed by the noise vibration test analysis system, so that a large amount of data is provided for the performance research of the vibration damping pad;
2. according to the invention, the position adjusting mechanism is arranged on the rack, the horizontal inclined position of the support legs of the air conditioner external unit is adjusted, and when the air conditioner external unit is simulated to be arranged on a surface with a certain gradient, noise data is collected;
3. the first starting cylinder is arranged, the second cylinder is in a reset state, the second driving mechanism is arranged to drive the second driven driving mechanism to drive the support A and the support B to rotate in one direction, the position of the microphone is driven to rotate, and data of more sound source positions are collected;
4. the second air cylinder is started, and the first air cylinder is in a reset state, the first driving mechanism is arranged to drive the first driven driving mechanism and the second driven driving mechanism, so that the baffle can move upwards along the abdicating groove, and the bracket A and the bracket B rotate in opposite directions, so that the distance between the microphone and the air conditioner external unit is changed, the position can be adjusted in a self-adaptive manner along with the change of the position of the baffle, and more data of sound source positions of the air conditioner external unit in different use environments are collected;
5. inserting plates made of various materials into the slots of the baffle plate so as to provide experimental data of the air conditioner outdoor unit under various installation environment conditions;
6. the invention improves the reliability of the test data by arranging all mechanical elements.
Drawings
FIG. 1 is a schematic view of the present invention in use.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the frame and the position adjusting mechanism of the present invention.
Fig. 4 is a schematic structural view of the position adjustment mechanism of the present invention.
Fig. 5 and 6 are schematic diagrams illustrating connection relationships of different angles of the first driven driving mechanism, the second driven driving mechanism and the driving mechanism.
The air conditioner comprises a frame 1, an air conditioner external unit 2, a microphone 3, a vibration damping pad 4, a abdicating groove 5, a baffle 6, a driven driving mechanism 7, a driven driving mechanism 8, a driving mechanism 9, a stabilizer bar 10, a threaded rod 11, a slider block 13, a slider block 14, a driven gear 15, a vertical frame 16, a driven gear 17, a driving gear 18, a motor 19, a cylinder 20, a clip 21, a clip 22, a clip 23, a driven gear 24, a driven gear 25, a bracket A26, a bracket B27, a fixed shaft 28, an arc rack A29, an arc rack B30, a gear 31, a connecting piece 32, a slot 33, a position adjusting mechanism 34, a pushing handle 35, a universal wheel 36, a base plate 37, a supporting plate 38, a rotating shaft 39, a cam 40, a motor block 41 and a motor supporting block 42.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, a testing method of a noise testing device for a vibration damping material for an outdoor unit of an air conditioner includes a frame 1 disposed in a semi-muffling chamber, a push handle 35 is installed on a side surface of the frame 1, universal wheels 36 are disposed at a bottom end of the frame 1, the outdoor unit 2 of the air conditioner is disposed on the frame 1, microphones 3 are disposed around the outdoor unit 2 of the air conditioner, lower ends of legs of the outdoor unit 2 of the air conditioner are connected to vibration damping pads 4 through bolts, the microphones 3 are electrically connected to a noise vibration testing and analyzing system and provide collected noise sources for the system, the noise vibration testing and analyzing system is used for comparing and analyzing data differences of the noise sources before and after the outdoor unit 2 of the air conditioner is operated in different environment operation modes and the vibration damping material 4 is used, and a position adjusting mechanism 34 for changing a horizontal position of the legs of the outdoor unit 2 of the air conditioner is disposed on the frame 1.
In this embodiment, it has four structure symmetries and arranges in the outer machine 2 of air conditioner all around groove 5 of stepping down to open in frame 1, it is equipped with telescopic baffle 6 to step down the inslot 5, 1 lower extreme in frame is equipped with drive baffle 6 along the driven drive mechanism 7 of stepping down the inslot 5 internal up-and-down motion, the adjustable and can be along with the change self-adaptation regulation of baffle 6 position of microphone 3's position, 1 lower extreme in frame still is equipped with driven drive mechanism two 8 of 3 position changes of drive microphone, be equipped with initiative actuating mechanism 9 on the bottom plate of frame 1 and be used for driving driven drive mechanism one 7 and driven drive mechanism two 8 motions.
In this embodiment, the first driven driving mechanism 7 includes a stabilizer bar 10 installed between a top plate and a bottom plate of the frame 1 and a threaded rod 11 rotatably connected between the top plate and the bottom plate of the frame 1, a first slider 12 and a second slider 13 are arranged on the outer side of the baffle 6, the first slider 12 is sleeved outside the stabilizer bar 10, the second slider 13 is sleeved outside the threaded rod 11, a threaded hole used in cooperation with the threaded rod 11 is formed in the second slider 13, a first driven gear 14 is sleeved outside the stabilizer bar 10, and a second driven gear 24 is sleeved outside the threaded rod 11.
In this embodiment, the driven gear member 24 includes gears 30 at both ends and a connecting member 31 in the middle.
In this embodiment, the driving mechanism 9 includes a vertical frame 15 installed on a bottom plate of the frame 1, the lower end of the vertical frame 15 is rotatably connected with a second driven gear 16, a driving gear 17 is arranged below the second driven gear 16, the driving gear 17 is connected with an output shaft of a first motor 18, the first motor 18 is installed on the bottom plate of the frame 1, a first cylinder 19 and a second cylinder 20 which are distributed on two sides of the second driven gear 16 are arranged on the bottom plate of the frame 1, a first "]" -shaped clamping piece 21 is arranged on the first cylinder 19, a second "]" -shaped clamping piece 22 is arranged on the second cylinder 20, and a third driven gear 23 is rotatably connected on the second clamping piece 22.
In this embodiment, the top plate and the bottom plate of the first clamping piece 21 are respectively located at the upper side and the lower side of the first driven gear 14, and the top plate and the bottom plate of the second clamping piece 22 are respectively located at the upper side and the lower side of the second driven gear 24.
In this embodiment, the second driven driving mechanism 8 includes a support a25 and a support B26 rotatably connected to the microphone 3, lower ends of the support a25 and the support B26 are rotatably connected to a fixed shaft 27, the fixed shaft 27 is installed on the bottom plate of the rack 1, an arc-shaped rack a28 is arranged on the support a25, an arc-shaped rack B29 is arranged on the support B26, the arc-shaped rack a28 is engaged with the second driven gear 16, and the arc-shaped rack B29 is engaged with the driving gear 17.
In this embodiment, the baffle 6 is provided with a slot 32, and an insert plate 33 made of different materials can be inserted into the slot 32.
In this embodiment, the position adjusting mechanism 34 includes two substrate plates 37 with symmetrical structure mounted on the frame 1, a supporting plate 38 and a rotating shaft 39 are rotatably connected between the two substrate plates 37, a cam 40 is disposed on the rotating shaft 39, an edge of the cam 40 abuts against and contacts a lower end of the supporting plate 38, one end of the rotating shaft 39 is connected to an output shaft of a second motor 41, the second motor 41 is mounted on one of the substrate plates 37, a supporting block 42 is further disposed on the frame 1, and when a surface of the supporting plate 38 is parallel to an upper surface of the frame 1, a height of the supporting block is the same as a height of the supporting block 42.
The second motor 41, the first four motors 18, the first air cylinders 19 and the second air cylinders 20 corresponding to the periphery of the air conditioner external unit 2 are all electrically connected with the PLC.
The working process and principle are as follows: before testing, a tester pushes the device into a semi-silencing chamber through the push handle 35, and the bottom end of the device is provided with the universal wheel 36, so that the air conditioner outdoor unit 2 is placed on the rack 1 after being moved to a proper position, specifically, the vibration damping material 4 is firstly installed on a support leg screw of the air conditioner outdoor unit 2, and then the air conditioner outdoor unit 2 with the vibration damping material 4 is placed on the support plate 38 and the support block 42.
During testing, the air conditioner outdoor unit 2 is started, the microphone 3 provides collected sound sources for a noise vibration test analysis system, and the system contrasts and analyzes data differences of the noise sound sources before and after the air conditioner outdoor unit 2 is operated in different environment operation modes and the vibration damping material 4 is used.
According to the test requirement, the horizontal inclined position of the support leg of the air conditioner outdoor unit 2 is adjusted, noise data on a surface with a certain gradient after the air conditioner outdoor unit 2 is installed are simulated, the second motor 41 is started to drive the rotating shaft 39 to rotate, so that the cam 40 is driven to rotate, the supporting plate 38 rotates, so that the horizontal position of the support leg of the air conditioner outdoor unit 2 is adjusted, after the adjustment is completed, the air conditioner outdoor unit 2 is started, and the microphone 3 provides the collected sound source for a noise vibration test analysis system to analyze;
according to the test requirement, the position of a sound source collected by the microphone 3 is changed, a data source is provided for the contrastive analysis of data, the first air cylinder 19 is started, the first clamping piece 21 on the first air cylinder 19 drives the first driven gear 14 to move upwards along the stabilizing rod 10 to be meshed with the first driving gear 17 and the second driven gear 16, the first motor 18 is started at the moment to drive the first driving gear 17 to rotate, the first driven gear 14 and the second driven gear 16 to rotate, the driving gear 17 and the second driven gear 16 rotate in the same direction, therefore, the arc-shaped rack B29 meshed with the first driving gear 17 and the arc-shaped rack A28 meshed with the second driven gear 16 rotate in the same direction, the support A25 and the support B26 are driven to rotate in the same direction, and the position of the microphone 3 is driven to rotate;
according to the test requirement, the baffle 6 in which direction around the air conditioner external unit 2 needs to be lifted, the motor I18 and the cylinder II 20 in the direction are started, and the cylinder I19 is in the reset state to avoid interference. Starting the second air cylinder 20, so that the second clamping piece 22 at the upper end of the second air cylinder 20 drives the driven gear piece 24 to move upwards along the axial direction of the threaded rod 11 until the gear 30 at the upper end of the second air cylinder 20 is meshed with the second driven gear 16, the third driven gear 23 is meshed with the driving gear 17 and the gear 30 at the lower end of the driven gear piece 24, at the moment, the first motor 18 is started, the driving gear 17 rotates, the third driven gear 23, the driven gear piece 24 and the second driven gear 16 rotate, the driving gear 17 and the second driven gear 16 rotate in opposite directions, the threaded rod 11 rotates along with the rotation of the driven gear piece 24, so that the second slider 13 connected with the threaded rod 11 is driven to drive the baffle 6 to move upwards along the abdicating groove 5, and at the same time, the driving gear 17 and the second driven gear 16 rotate in opposite directions, so that the arc-shaped rack B29 meshed with the driving gear 17 and the arc-shaped rack A28 meshed with the second driven gear 16 rotate in opposite directions, so as to drive the support A25 and the support B26 to rotate in opposite directions, so that the distance between the microphone 3 and the external unit 2 of the air conditioner is changed;
according to the test requirement, a plug board 33 made of the required test material can be inserted into the slot 32 of the baffle 6 to provide more experimental data.
1. The invention collects the sound source position and decibel by arranging microphones 3 around the air conditioner outdoor unit 2, and contrasts and analyzes the data difference of the noise sound source before and after the air conditioner outdoor unit 2 uses the damping material 4 and under different using environment operation modes through a noise vibration test analysis system, thereby providing more data for the performance research of the damping pad;
2. according to the invention, the position adjusting mechanism 34 is arranged on the rack 1, the horizontal inclined positions of the support legs of the air conditioner outdoor unit 2 are adjusted, and when the air conditioner outdoor unit 2 is installed on a surface with a certain gradient, noise data are collected;
3. by arranging the first starting cylinder 19 and the second cylinder 20 in a reset state, the second driving mechanism 9 is arranged to drive the second driven driving mechanism 8, the support A25 and the support B26 are driven to rotate towards one direction, the position of the microphone 3 is driven to rotate, and data of more sound source positions are collected;
4. by starting the second air cylinder 20 and enabling the first air cylinder 19 to be in a reset state, the first driving mechanism 9 is arranged to drive the first driven driving mechanism 7 and the second driven driving mechanism 8, so that the baffle 6 can move upwards along the abdicating groove 5, and meanwhile, the bracket A25 and the bracket B26 rotate in opposite directions, so that the distance between the microphone 3 and the air conditioner outdoor unit 2 is changed, the position can be adjusted in a self-adaptive manner along with the change of the position of the baffle 6, and more sound source position data can be collected;
5. an insert plate 33 made of a required test material is inserted into the insert slot 32 of the baffle plate 6 to provide experimental data of the outdoor unit 2 under various installation environmental conditions.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or are equivalent to the scope of the invention are intended to be embraced therein.
Claims (2)
1. A testing method of a noise testing device of a vibration damping material for an air conditioner outdoor unit is characterized in that the testing device comprises a rack (1) arranged in a semi-silencing chamber, a push handle (35) is installed on the side face of the rack (1) and universal wheels (36) are arranged at the bottom end of the rack, the air conditioner outdoor unit (2) is arranged on the rack (1), microphones (3) are arranged on the periphery of the air conditioner outdoor unit (2), vibration damping materials (4) are connected to the lower ends of supporting legs of the air conditioner outdoor unit (2) through bolts, the microphones (3) are electrically connected with a noise vibration testing and analyzing system and provide collected noise sound sources for the system, the noise vibration testing and analyzing system is used for comparing and analyzing data differences of the noise sound sources of the air conditioner outdoor unit (2) in different environment operation modes and before and after the vibration damping materials (4) are used, and a position adjusting mechanism (34) for changing the horizontal position of the supporting legs of the air conditioner outdoor unit (2) is arranged on the rack (1);
the air conditioner is characterized in that four yielding grooves (5) which are symmetrical in structure and are arranged on the periphery of an air conditioner external unit (2) are formed in the rack (1), a telescopic baffle (6) is arranged in each yielding groove (5), a driven driving mechanism I (7) for driving the baffle (6) to move up and down along the yielding groove (5) is arranged at the lower end of the rack (1), the position of the microphone (3) can be adjusted in a self-adaptive mode along with the change of the position of the baffle (6), a driven driving mechanism II (8) for driving the microphone (3) to change in position is further arranged at the lower end of the rack (1), and a driving mechanism (9) is arranged on a bottom plate of the rack (1) and used for driving the driven driving mechanism I (7) and the driven driving mechanism II (8) to move; the position adjusting mechanism (34) comprises two base plates (37) which are arranged on the rack (1) and have symmetrical structures, a supporting plate (38) and a rotating shaft (39) are rotatably connected between the two base plates (37), a cam (40) is arranged on the rotating shaft (39), the edge of the cam (40) is in butt contact with the lower end of the supporting plate (38), one end of the rotating shaft (39) is connected with an output shaft of a second motor (41), the second motor (41) is arranged on one base plate (37), a supporting block (42) is further arranged on the rack (1), and when the surface of the supporting plate (38) is parallel to the upper surface of the rack (1), the height of the supporting block is the same as that of the supporting block (42);
the first driven driving mechanism (7) comprises a stabilizer bar (10) arranged between a top plate and a bottom plate of the rack (1) and a threaded rod (11) rotatably connected between the top plate and the bottom plate of the rack (1), a first sliding block (12) and a second sliding block (13) are arranged on the outer side of the baffle (6), the first sliding block (12) is sleeved outside the stabilizer bar (10), the second sliding block (13) is sleeved outside the threaded rod (11), a threaded hole matched with the threaded rod (11) is formed in the second sliding block (13), a first driven gear (14) is sleeved outside the stabilizer bar (10), a first driven gear piece (24) is sleeved outside the threaded rod (11), and the driven gear piece (24) comprises gears (30) at two ends and a connecting piece (31) in the middle;
the driving mechanism (9) comprises a vertical frame (15) arranged on a bottom plate of the rack (1), the lower end of the vertical frame (15) is rotatably connected with a second driven gear (16), a driving gear (17) is arranged below the second driven gear (16), the driving gear (17) is connected with an output shaft of a first motor (18), the first motor (18) is arranged on the bottom plate of the rack (1), a first cylinder (19) and a second cylinder (20) which are distributed on two sides of the second driven gear (16) are arranged on the bottom plate of the rack (1), a first "]" -shaped clamping piece (21) is arranged on the first cylinder (19), a second "]" -shaped clamping piece (22) is arranged on the second cylinder (20), the second clamping piece (22) is rotatably connected with a third driven gear (23), a top plate and a bottom plate of the first clamping piece (21) are respectively positioned on the upper side and the lower side of the first driven gear (14), and a top plate and a bottom plate of the second clamping piece (22) are respectively positioned on the upper side and the lower side of the driven gear piece (24); the driven driving mechanism II (8) comprises a support A (25) and a support B (26) which are rotatably connected with the microphone (3), the lower ends of the support A (25) and the support B (26) are rotatably connected to a fixed shaft (27), the fixed shaft (27) is installed on a bottom plate of the rack (1), an arc-shaped rack A (28) is arranged on the support A (25), an arc-shaped rack B (29) is arranged on the support B (26), the arc-shaped rack A (28) is meshed with the driven gear II (16), and the arc-shaped rack B (29) is meshed with the driving gear (17);
the test method of the test device comprises the following steps:
the method comprises the following steps: a tester pushes the device into the semi-silencing chamber, firstly mounting a vibration damping material (4) on a support leg screw of the air conditioner outdoor unit (2), and then placing the air conditioner outdoor unit (2) with the vibration damping material (4) on the rack (1);
step two: starting an air conditioner outdoor unit (2), providing a collected sound source for a noise vibration test analysis system by a microphone (3), and comparing and analyzing data difference of the noise sound source before and after the air conditioner outdoor unit (2) is operated in different environment operation modes and a damping material (4) is used by the system;
adjusting the horizontal inclined position of the support leg of the air conditioner external unit (2), simulating noise data on a surface with a certain gradient after the air conditioner external unit (2) is installed, starting a second motor (41) to drive a rotating shaft (39) to rotate so as to drive a cam (40) to rotate, rotating a support plate (38) so as to adjust the horizontal position of the support leg of the air conditioner external unit (2), starting the air conditioner external unit (2) after adjustment is finished, and providing the collected sound source for a noise vibration test analysis system for analysis by a microphone (3);
changing the position of a sound source collected by a microphone (3), providing a data source for data contrastive analysis difference, starting a first air cylinder (19), driving a first driven gear (14) to move upwards along a stabilizer bar (10) to be meshed with a first driving gear (17) and a second driven gear (16) by a first clamping piece (21) on the first air cylinder (19), starting a first motor (18) to drive the first driving gear (17) to rotate, driving the first driven gear (14) and the second driven gear (16) to rotate, turning directions of the first driving gear (17) and the second driven gear (16) are the same, and turning directions of an arc rack (B29) meshed with the first driving gear (17) and an arc rack (A28) meshed with the second driven gear (16) are the same, so that a support (A25) and a support (B26) are driven to rotate towards one direction, and the position of the microphone (3) is driven to rotate;
when a baffle (6) in which direction around an air conditioner outdoor unit (2) needs to be lifted, a first motor (18) and a second cylinder (20) in the direction are started, a first cylinder (19) is in a reset state to avoid interference, a second cylinder (20) is started, a second clamping piece (22) at the upper end of the second cylinder (20) drives a driven gear piece (24) to move upwards along the axial direction of a threaded rod (11) until a gear (30) at the upper end of the second cylinder is meshed with a second driven gear (16), a third driven gear (23) is meshed with a driving gear (17) and a gear (30) at the lower end of the driven gear piece (24), a first motor (18) is started, the driving gear (17) rotates, the third driven gear (23), the driven gear piece (24) and the second driven gear (16) rotate, the driven gear piece (24) rotates, the driven gear piece (11) rotates, a second slider (13) drives the baffle (6) to move upwards along a abdicating groove (5), and simultaneously, as the driving gear (17) and the driven gear (16) rotate in opposite directions, an arc-shaped rack (B) B29) and a rack support (28) A) rotates, and a rack support (26) of the air conditioner outdoor unit (2) rotates, and the distance between the air conditioner outdoor unit (2) is changed, and finishing the experimental data under different environment operation modes.
2. The method for testing the noise test device of the vibration damping material for the outdoor unit of the air conditioner as set forth in claim 1, wherein: the baffle (6) is provided with a slot (32), and the slot (32) can be internally inserted with inserting plates (33) made of different materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210559763.4A CN115524402A (en) | 2021-04-28 | 2021-04-28 | Testing method of noise testing device for vibration damping material for air conditioner outdoor unit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110464173.9A CN113063856B (en) | 2021-04-28 | 2021-04-28 | Noise testing device for vibration damping material for air conditioner outdoor unit |
| CN202210559763.4A CN115524402A (en) | 2021-04-28 | 2021-04-28 | Testing method of noise testing device for vibration damping material for air conditioner outdoor unit |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110464173.9A Division CN113063856B (en) | 2021-04-28 | 2021-04-28 | Noise testing device for vibration damping material for air conditioner outdoor unit |
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| Publication Number | Publication Date |
|---|---|
| CN115524402A true CN115524402A (en) | 2022-12-27 |
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| CN202210559763.4A Pending CN115524402A (en) | 2021-04-28 | 2021-04-28 | Testing method of noise testing device for vibration damping material for air conditioner outdoor unit |
| CN202110464173.9A Active CN113063856B (en) | 2021-04-28 | 2021-04-28 | Noise testing device for vibration damping material for air conditioner outdoor unit |
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| CN101685630A (en) * | 2009-06-30 | 2010-03-31 | 广州华纸节能科技有限公司 | Anti-noise fiber material cushion and preparation method thereof |
| WO2017183410A1 (en) * | 2016-04-21 | 2017-10-26 | 日本精工株式会社 | Method of detecting abnormal sound in steering system, and steering system evaluating device |
| CN107290046B (en) * | 2017-06-22 | 2019-12-31 | 长安大学 | Indoor test device and test method for noise in vehicle |
| CN107677361B (en) * | 2017-09-05 | 2019-10-18 | 郑州云海信息技术有限公司 | A kind of Cabinet-type server noise monitoring system and method |
| CN110940412A (en) * | 2018-09-21 | 2020-03-31 | 奥克斯空调股份有限公司 | Air conditioner noise testing device and testing method |
| CN108981907A (en) * | 2018-10-22 | 2018-12-11 | 珠海格力电器股份有限公司 | Noise testing method and microphone bracket |
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| CN113063856B (en) | 2022-05-27 |
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