CN208887778U - Automate pressure stabilizing acoustic test equipment - Google Patents
Automate pressure stabilizing acoustic test equipment Download PDFInfo
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- CN208887778U CN208887778U CN201821167813.XU CN201821167813U CN208887778U CN 208887778 U CN208887778 U CN 208887778U CN 201821167813 U CN201821167813 U CN 201821167813U CN 208887778 U CN208887778 U CN 208887778U
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- briquetting
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Abstract
The utility model discloses and provides the automation pressure stabilizing acoustic test equipment of a kind of simple structure and reasonable design, good test effect.The technical scheme adopted by the utility model is the utility model includes horizontal movement mould group, move vertically mould group, the vertical float module that the horizontal float module at horizontal movement mould group rear is set and is arranged in below vertical movement mould group, horizontal float module includes product placement rack, mounting groove compatible with product is provided on product placement rack, product placement rack is provided with through slot on the top of mounting groove, the bottom of product placement rack is provided with firm banking, vertical float module includes main briquetting compatible with through slot and the auxiliary briquetting that main briquetting top is arranged in, auxiliary briquetting is matched with the output end for the mould group that moves vertically, it is in mating connection to pass through horizontally disposed crossed roller sliding rail between product placement rack and firm banking and between main briquetting and auxiliary briquetting.The utility model can be used for the technical field of acoustic test equipment.
Description
Technical field
The utility model relates to a kind of automation pressure stabilizing acoustic test equipments.
Background technique
The acoustic function test of various electrical loudspeakers needs to be tested using pressure stabilizing acoustic test equipment；Loudspeaker
Functional test refers to and is fixed on loudspeaker to be measured in closed acoustic barrier case, carries out FR (frequency according to different demands
Response), THD (total harmonic distortion), HOHD (high-order harmonic wave distortion), the acoustical testings such as Sensitivity (sensitivity).Traditional
Baffle formula acoustical testing process is: loudspeaker is pressed on the sealing ring of baffle by 1. cylinders；2. the specified electric signal of sound card output
To loudspeaker；3. loudspeaker sounding；4. standard microphone receives sound and these signals is inputted computer；5. the test on computer
Software carries out the superiority and inferiority for analysing and comparing to judge loudspeaker.
An important factor for baffle formula acoustical testing is tested be speaker seal effect and with loudspeaker test mode is practical makes
With the consistency of state.The former, speaker voice giving hole will be pressed on sealing ring, guarantee that sealing ring has certain decrement but cannot
Can not mostly it lack, sound can be leaked by having lacked, and more sealing rings, which can deform, blocks out acoustic aperture；The latter, loudspeaker during the test by
Pressure and stress point will with actual installation apply when be consistent, just can guarantee final finished quality, traditional baffle formula sound
Learning test equipment is that when testing, it is pressure of the vertical direction by a 40N ± 0.1N that product loudspeaker, which will receive pressure,
Power, pressure of the horizontal direction by a 160N ± 0.1N, and if the two pressure are acted directly on loudspeaker and so raised
Sound device is can not to move, and is docked on sealing ring so loudspeaker can not just allow it to go out acoustic aperture, cannot achieve loudspeaker and sealing
Circle joint seal can not calculate its true stress condition, cause test effect very unsatisfactory.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of simple structure and reasonable design, good test effect from
Dynamicization pressure stabilizing acoustic test equipment.
The technical scheme adopted by the utility model is the utility model include horizontal movement mould group, vertical movement mould group,
The horizontal float module at the horizontal movement mould group rear is set and is arranged in vertical floating below the vertical movement mould group
Dynamic model block, the horizontal float module include product placement rack, and peace compatible with product is provided on the product placement rack
Tankage, the product placement rack are provided with through slot on the top of the mounting groove, and the bottom of the product placement rack is provided with solid
Determine pedestal, the vertical float module includes main briquetting compatible with the through slot and is arranged in the auxiliary of the main briquetting top
Pressing aid block, the auxiliary briquetting are matched with the output end of the vertical movement mould group, the product placement rack and the fixation
Company is matched by horizontally disposed crossed roller sliding rail between pedestal and between the main briquetting and the auxiliary briquetting
It connects.
Further, the horizontal movement mould group includes horizontal motor and matches and be horizontally disposed with the horizontal motor
Pushing block module, the pushing block module matches with the horizontal float module, the vertical movement mould group include motor vertical,
It is matched with the motor vertical and vertically arranged briquetting module, the briquetting module and the vertical float module matches
It closes.
Further, the front of the pushing block module is provided with first pressure sensor, and the bottom of the briquetting module is set
It is equipped with second pressure sensor.
Further, the second pressure sensor is equipped with flexible pressure bar, the bottom setting of the elasticity pressure bar
There is shrinkage pool, the top of the vertical float module is provided with bolt compatible with the shrinkage pool.
Further, the horizontal movement mould group further includes positioned at horizontal air cylinder and the water matched with the horizontal air cylinder
Somoothing board, the horizontal motor, the pushing block module and the horizontal float module are arranged at the top of the horizontal sliding table,
The vertical movement mould group further includes that the vertical cylinder in front of the briquetting module and the output with the vertical cylinder is arranged in
Hold the positioning that is connected to present a theatrical performance as the last item on a programme, the bottom presented a theatrical performance as the last item on a programme that positions is provided with guide pin, be provided on the horizontal sliding table with it is described
The guide sleeve that guide pin matches.
Further, the crossed roller sliding rail includes two parallel draw runners, if being provided between two draw runners
The middle vertical plane of the cylindrical roller of dry alternately orthogonal configuration, the axis of the cylindrical roller and the draw runner is arranged in 45 degree of angles.
Further, the automation pressure stabilizing acoustic test equipment further includes testing cabinet and positioned at the test cabinet
The baffle of front end is provided with product to interface in the middle part of the baffle, and the product is provided with sealing ring to interface, and product is put
Set on the product placement rack and by the pushing block module to pusher when, product docks interface with the product.
The utility model has the following beneficial effects: in the present invention, horizontal movement mould group and vertical movement Mo Zu difference
The power of linear motion is provided for horizontal float module and vertical float module, product is mounted on the product in horizontal float module
On placement rack, the main briquetting of vertical float module is by being inserted into the lower die pressing product of through slot, at this point, product placement rack and firm banking
Between and main briquetting and auxiliary briquetting between it is in mating connection by horizontally disposed crossed roller sliding rail, so this is practical
It is novel to be separated fulcrum force and pressure by using crossed roller sliding rail, so when horizontal float module is by horizontal thrust,
The pressure that the bearing pressure point position of vertical depression will not move, but act on product loudspeaker can follow product placement rack level to move
It is dynamic.Sliding friction can be converted into rolling friction using crossed roller sliding rail, and the pressure of product placement rack can be will be perpendicular to
45 ° of pressure are separated by 90 °, to reduce the resistance that mould group is subject to.The utility model is solved by introducing crossed roller sliding rail
Product loudspeaker applies irremovable problem when orthogonal two power simultaneously so that product loudspeaker go out acoustic aperture can
To be docked on the sealing ring of baffle, while energy analog speakers test mode is consistent with real use state stress
Property, so test effect significantly improves.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of another angle of the utility model；
Fig. 3 is the enlarged diagram of part A structure in Fig. 2；
Fig. 4 is the cooperation schematic diagram of elastic pressure bar and bolt；
Fig. 5 is the structural schematic diagram of crossed roller sliding rail.
Specific embodiment
As shown in Figures 1 to 5, specific embodiment of the present utility model is: the utility model include horizontal movement mould group,
Vertical movement mould group, the horizontal float module 1 that the horizontal movement mould group rear is arranged in and setting are in the vertical movement mould
The vertical float module 2 of group lower section, the horizontal float module 1 include product placement rack 11, are set on the product placement rack 11
It is equipped with mounting groove compatible with product 3, the product placement rack 11 is provided with through slot 12 on the top of the mounting groove, described
The bottom of product placement rack 11 is provided with firm banking 4, and the vertical float module 2 includes master compatible with the through slot 12
Briquetting 21 and the auxiliary briquetting 22 that 21 top of main briquetting is set, the auxiliary briquetting 22 and the vertical movement mould group
Output end matches, and between the product placement rack 11 and the firm banking 4 and the main briquetting 21 is pressed with the auxiliary
It is in mating connection by horizontally disposed crossed roller sliding rail 5 between block 22.
Further, the horizontal movement mould group includes horizontal motor and matches with the horizontal motor 61 and level is set
The pushing block module 62 set, the pushing block module 62 are matched with the horizontal float module 1, and the vertical movement mould group includes hanging down
Straight motor 71 matches and vertically arranged briquetting module 72 with the motor vertical 71, the briquetting module 72 with it is described vertical
Straight relocatable module 2 matches.Wherein, pushing block module 62 and briquetting module 72 are the entirety of a part of structure composition, and respectively
For pushing horizontal float module 1 and pushing vertical float module 2.
Further, the front of the pushing block module 62 is provided with first pressure sensor 63, the briquetting module 72
Bottom is provided with second pressure sensor 73.First pressure sensor 63 pushes horizontal float module for measuring pushing block module 62
1 thrust, the also as horizontal thrust that is subject to of product 3；Second pressure sensor 73, which is used to test, pushes vertical float module 2
Pressure, the also as lower pressure that is subject to of product 3.
Further, the second pressure sensor 73 is equipped with flexible pressure bar 74, the bottom of the elasticity pressure bar 74
Portion is provided with shrinkage pool 75, and the top of the vertical float module 2 is provided with bolt 8 compatible with the shrinkage pool 75.Elasticity pressure
Stick 74 aligns with the bolt 8 of vertical float module 2 during the depression process and limits fixation, to guarantee elastic pressure bar 74 and product
Relative position between 3 is constant.
Further, the horizontal movement mould group further includes matching positioned at horizontal air cylinder 64 and with the horizontal air cylinder 64
Horizontal sliding table 65, the horizontal motor 61, the pushing block module 62 and the horizontal float module 1 are arranged at the level
The top of slide unit 65, the vertical movement mould group further include be arranged in 72 front of the briquetting module vertical cylinder 76 and with institute
It states the positioning that the output end of vertical cylinder 76 is connected and presents a theatrical performance as the last item on a programme 77, present a theatrical performance as the last item on a programme 77 bottom of the positioning is provided with guide pin, described
The guide sleeve matched with the guide pin is provided on horizontal sliding table 65.Horizontal sliding table 65 is for making entire horizontal float module
1 equal components carry out integral level movement, and the contraposition cooperation of logical guide pin and guide sleeve, can make horizontal movement mould group and vertical
Movement two mould group relative positions of mould group are fixed.
Further, the crossed roller sliding rail 5 includes two parallel draw runners 51, is arranged between two draw runners 51
There are the cylindrical rollers 52 of several alternately orthogonal configurations, the middle vertical plane of the axis of the cylindrical roller 52 and the draw runner 51 is in 45 degree
Angle setting.
Further, the automation pressure stabilizing acoustic test equipment further includes testing cabinet and positioned at the test cabinet
The baffle 9 of front end, the middle part of the baffle 9 are provided with product to interface, and the product is provided with sealing ring, product to interface
3 be placed on the product placement rack 11 and by the pushing block module 62 to pusher when, product 3 and the product are to interface pair
It connects.
The utility model has the following beneficial effects: in the present invention, horizontal movement mould group and vertical movement Mo Zu difference
The power of linear motion is provided for horizontal float module 1 and vertical float module 2, product 3 is mounted in horizontal float module 1
On product placement rack 11, the main briquetting 21 of vertical float module 2 is by being inserted into the lower die pressing product 3 of through slot 12, at this point, product is placed
Pass through horizontally disposed crossed roller sliding rail 5 between seat 11 and firm banking 4 and between main briquetting 21 and auxiliary briquetting 22
It is in mating connection, so the utility model is separated fulcrum force and pressure by using crossed roller sliding rail 5, so horizontal floating
When dynamic model block 1 is by horizontal thrust, the bearing pressure point position of vertical depression will not be moved, but act on the pressure on product loudspeaker
Product placement rack 11 can be followed to move horizontally.Sliding friction can be converted into rolling friction, and energy using crossed roller sliding rail 5
The pressure that will be perpendicular to product placement rack 11 is separated into 45 ° of pressure by 90 °, to reduce the resistance that mould group is subject to.This is practical new
Type is irremovable when solving product loudspeaker by introducing crossed roller sliding rail 5 while applying orthogonal two power to ask
Topic, allow product loudspeaker go out acoustic aperture be docked on the sealing ring of baffle, while can analog speakers test mode with
The consistency of real use state stress, so test effect significantly improves.
The operating process of the utility model is as follows:
1. the horizontal float module 1 equipped with loudspeaker is moved along to designated position by horizontal sliding table 65；
2. vertical cylinder 76 drives positioning to present a theatrical performance as the last item on a programme and 77 moves down, guide pin is inserted into guide sleeve, makes horizontal movement mould group, hangs down
Straight movement two mould group relative positions of mould group are fixed；
3. 71 torque of motor vertical is converted into the thrust of vertical downlink by vertical movement mould group, by second pressure sensor 73
It presses down；
4. second pressure sensor 73 pushes vertical float module 2 to move down；
5. second pressure sensor 73 is moved down with dynamic elasticity pressure bar 74 and is pressed on a speaker；
6. 74 front end of elastic pressure bar has shrinkage pool 75 that can be inserted into bolt 8, guarantee elastic pressure bar 74 and loudspeaker relative position
It is constant；
7. the pressure that motor vertical 71 is subject to according to the signal feedback adjustment loudspeaker of second pressure sensor 73 be 40N ±
0.1N；
8. 61 torque of horizontal motor is converted into thrust horizontally forward by horizontal movement mould group, by first pressure sensor 63
It is past to be pushed forward；
9. first pressure sensor 63 pushes the assembly of vertical float module 2 and horizontal float module 1 to baffle 9, raise
Sound device speak hole indentation baffle 9 sealing ring in；
10. horizontal motor 61 is according to the horizontal pressure force that the signal feedback adjustment loudspeaker of first pressure sensor 63 is subject to
160N±0.1N；
11. the pressure due to loudspeaker vertical direction by a 40N ± 0.1N, horizontal direction by a 160N ±
The pressure of 0.1N, if the two pressure act directly on loudspeaker, so loudspeaker is can not to move, and the utility model makes
With crossed roller sliding rail 5 by fulcrum force and pressure separation so when floating die group is by horizontal thrust, the bearing pressure of vertical depression
Point position will not move, but the pressure acted on a speaker can follow floating die group to move horizontally；Use crossed roller sliding rail 5
Sliding friction can be converted into rolling friction, and the pressure that can will be perpendicular to the 40N of product 3 is separated into 45 ° of pressure by 90 °,
To reduce the resistance that mould group is subject to；
12. it is primary without loudspeaker movements after system starting, its rolling frictional resistance being subject to is recorded, loudspeaking is then loaded
Device movement is primary, and computer calculates its error amount automatically, compensates, and guarantees the accuracy for the pressure that loudspeaker is subject to.
The utility model can be used for the technical field of acoustic test equipment.
Claims (7)
1. a kind of automation pressure stabilizing acoustic test equipment, it is characterised in that: it include horizontal movement mould group, vertical movement mould group,
The horizontal float module (1) at the horizontal movement mould group rear is set and is arranged in vertical below the vertical movement mould group
Relocatable module (2), the horizontal float module (1) include product placement rack (11), are provided on the product placement rack (11)
The compatible mounting groove with product (3), the product placement rack (11) are provided with through slot (12), institute on the top of the mounting groove
The bottom for stating product placement rack (11) is provided with firm banking (4), and the vertical float module (2) includes and the through slot (12)
Compatible main briquetting (21) and setting main briquetting (21) top auxiliary briquetting (22), the auxiliary briquetting (22) and
The output end of the vertical movement mould group matches, between the product placement rack (11) and the firm banking (4) and institute
It states in mating connection by horizontally disposed crossed roller sliding rail (5) between main briquetting (21) and the auxiliary briquetting (22).
2. automation pressure stabilizing acoustic test equipment according to claim 1, it is characterised in that: the horizontal movement mould group packet
It includes horizontal motor (61) and is matched with the horizontal motor (61) and horizontally disposed pushing block module (62), the pushing block module
(62) matched with the horizontal float module (1), the vertical movement mould group include motor vertical (71), with the vertical electricity
Machine (71) matches and vertically arranged briquetting module (72), the briquetting module (72) and vertical float module (2) phase
Cooperation.
3. automation pressure stabilizing acoustic test equipment according to claim 2, it is characterised in that: the pushing block module (62)
Front is provided with first pressure sensor (63), and the bottom of the briquetting module (72) is provided with second pressure sensor (73).
4. automation pressure stabilizing acoustic test equipment according to claim 3, it is characterised in that: the second pressure sensor
(73) it is equipped with flexible pressure bar (74), the bottom of the elasticity pressure bar (74) is provided with shrinkage pool (75), the vertical float
The top of module (2) is provided with the compatible bolt (8) with the shrinkage pool (75).
5. automation pressure stabilizing acoustic test equipment according to claim 2, it is characterised in that: the horizontal movement mould group is also
Including the horizontal sliding table (65) for being located at horizontal air cylinder (64) and being matched with the horizontal air cylinder (64), the horizontal motor
(61), the pushing block module (62) and the horizontal float module (1) are arranged at the top of the horizontal sliding table (65), described
Vertical movement mould group further include be arranged vertical cylinder (76) in front of the briquetting module (72) and with the vertical cylinder
(76) positioning that output end is connected is presented a theatrical performance as the last item on a programme (77), and the present a theatrical performance as the last item on a programme bottom of (77) of the positioning is provided with guide pin, the level
Slide unit is provided with the guide sleeve matched with the guide pin on (65).
6. automation pressure stabilizing acoustic test equipment according to claim 1, it is characterised in that: the crossed roller sliding rail
(5) include two parallel draw runners (51), the cylinder rolling of several alternately orthogonal configurations is provided between two draw runners (51)
Sub (52), the axis of the cylindrical roller (52) and the middle vertical plane of the draw runner (51) are arranged in 45 degree of angles.
7. automation pressure stabilizing acoustic test equipment according to claim 2, it is characterised in that: the automation pressure stabilizing acoustics
Test equipment further includes testing cabinet and the baffle (9) positioned at the front end of the test cabinet, the middle part setting of the baffle (9)
There is product to interface, the product is provided with sealing ring to interface, and product (3) is placed on the product placement rack (11) simultaneously
When by the pushing block module (62) to pusher, product (3) docks interface with the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167813.XU CN208887778U (en) | 2018-07-23 | 2018-07-23 | Automate pressure stabilizing acoustic test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167813.XU CN208887778U (en) | 2018-07-23 | 2018-07-23 | Automate pressure stabilizing acoustic test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208887778U true CN208887778U (en) | 2019-05-21 |
Family
ID=66507168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821167813.XU Active CN208887778U (en) | 2018-07-23 | 2018-07-23 | Automate pressure stabilizing acoustic test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208887778U (en) |
-
2018
- 2018-07-23 CN CN201821167813.XU patent/CN208887778U/en active Active
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