CN111654801A

CN111654801A - Artificial intelligence speaker frequency response test fixture

Info

Publication number: CN111654801A
Application number: CN202010559580.3A
Authority: CN
Inventors: 刘伟; 杨志
Original assignee: Guangdong Taide Zhilian Technology Co Ltd
Current assignee: Guangdong Taide Zhilian Technology Co Ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-09-11
Anticipated expiration: 2040-06-18
Also published as: CN111654801B

Abstract

The embodiment of the invention discloses an artificial intelligence loudspeaker frequency response test fixture, which comprises a trigger module, wherein the trigger module starts a control module by taking an SN code on an artificial scanning loudspeaker as a trigger signal, the control module is connected with a test module which is controlled by the control module to start and stop, the test module is used for starting the loudspeaker to test and collecting frequency response data of the loudspeaker, and the test module is connected with a computer host which is used for receiving the frequency response data, transmitting and drawing a frequency response curve. An artificial intelligence automatic test detection device is added, and the jig can automatically test the frequency response curve of the artificial intelligence loudspeaker and compare the frequency response curve with a set frequency response curve standard; the operation of staff is facilitated, and the production efficiency is increased. The test data are sent to the cloud end last time, so that production data statistics is facilitated, bad reasons are analyzed, and follow-up data tracking is achieved.

Description

Artificial intelligence speaker frequency response test fixture

Technical Field

The embodiment of the invention relates to the technical field of loudspeakers, in particular to an artificial intelligence loudspeaker frequency response testing jig.

Background

The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.

In the traditional loudspeaker test, judgment is carried out by the ears of people, so that misjudgment is easily caused; the production line noise is great, receives the ambient noise influence, also can cause the influence to the frequency response test.

Some present frequency response test fixture use more complicacy, so sealed effectual when urgently needing a radio reception, easy operation, artificial intelligence frequency response test fixture that degree of automation is high.

Disclosure of Invention

The invention provides a frequency response test fixture for an artificial intelligent loudspeaker, which aims to overcome the defects in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

an artificial intelligence loudspeaker frequency response test fixture comprises a trigger module, wherein the trigger module starts a control module by taking an SN code on an artificial scanning loudspeaker as a trigger signal, the control module is connected with a test module which is controlled by the control module to start and stop, the test module is used for starting the loudspeaker to test and collecting frequency response data of the loudspeaker, the test module is connected with a computer host which is used for receiving frequency response data transmission and drawing a frequency response curve, the computer host is connected with a display, transmits 'OK' or 'NG' signals to the display and displays the signals on the display by judging whether the frequency response curve is within the range of the upper limit and the lower limit of the preset frequency response curve or not, and simultaneously transmits the frequency response curve and the judgment signals thereof to the cloud;

the testing module comprises a machine body, rollers are installed at the bottom of the machine body, a lower cavity is fixedly installed at the top of the machine body, an upper cavity used for matching with the lower cavity to form a sealed cavity is hinged to one side of the lower cavity, a first pneumatic telescopic rod used for controlling the lower cavity and the upper cavity to open and close is installed at one corresponding side of the lower cavity and the upper cavity, a second pneumatic telescopic rod used for controlling the lower cavity and the upper cavity to open and close is installed at the other corresponding side of the lower cavity and the upper cavity, a display is installed at one side of the lower cavity, a microphone radio device is installed in the lower cavity, a first sensing device used for sensing whether the lower cavity and the upper cavity are closed is installed at one side of the lower cavity, a second sensing device used for sensing whether the lower cavity and the upper cavity are closed is installed at the other side of the lower cavity, and a first infrared sensing lamp used for preventing a human body from being clamped is arranged on, the second induction device is provided with a second infrared induction lamp for preventing a human body from being clamped, a first upper cavity switch key and a second upper cavity switch key which are mutually connected in series for preventing false touch are installed on the machine body, an emergency brake button for cutting off a power supply of the device is installed on the machine body, and an accessory drawer is arranged on the machine body.

As a preferable scheme of the present invention, sound absorbing layers are disposed on inner walls of the upper cavity and the lower cavity, and a speaker mounting seat is mounted at a bottom of the microphone sound receiving apparatus.

In a preferred embodiment of the present invention, the microphone receiver includes a display stand, which is composed of an upper base plate and four leg posts for fixedly supporting the upper base plate.

In a preferred embodiment of the present invention, the upper plate of the display stand is formed by splicing a diamond-shaped portion located at the center and four triangular portions provided at the edges of the diamond-shaped portion, and the triangular portions are connected to the leg posts in a one-to-one correspondence.

As a preferable scheme of the present invention, four sides of the diamond-shaped portion are cut to form four middle field mounting pieces, and the remaining middle portion of the diamond-shaped portion forms one high field mounting piece;

microphones are arranged on the inner sides of the triangular part, the middle field mounting piece and the high field mounting piece.

As a preferable scheme of the present invention, the high field mounting plate is fixedly mounted in the lower cavity through a bracket, and a first distribution spring is mounted at an edge of the high field mounting plate through an inner cavity, and a tail end of the first distribution spring is fixedly connected to the middle field mounting plate.

As a preferable scheme of the present invention, an elastic change screw is rotatably installed in an inner cavity of the high-field installation piece through driving of a motor, and a thread groove for meshing with the first distribution spring is formed on the elastic change screw;

the middle field installation sheet is connected with the triangular part through a second distribution spring.

As a preferable scheme of the present invention, a rubber positioning cavity is fixedly installed on the lower cavity through a cavity, a first bevel gear is rotatably installed in the rubber positioning cavity, two end surfaces of the first bevel gear both abut against an inner wall of the rubber positioning cavity to position the first bevel gear, one end surface of the first bevel gear is fixedly connected with the leg column through a rotating shaft, a second bevel gear is rotatably installed in the rubber positioning cavity through a rotating shaft, and the second bevel gear is driven by a motor.

In a preferred embodiment of the present invention, a suspending groove is provided in the center of the speaker placement base, and a floating tray is placed in the suspending groove by a weight sensor at the bottom of the suspending groove.

As a preferable scheme of the present invention, each surface of the floating support block is not in contact with the suspension groove, and the weight sensor is connected to another controller for controlling a motor inside the microphone receiver.

The embodiment of the invention has the following advantages:

according to the invention, the lower cavity and the upper cavity are additionally arranged to form the closed cavity, so that external noise is isolated, and the accuracy of the test is ensured. An artificial intelligence automatic test detection device is added, and only the SN code of the machine body needs to be scanned, so that the jig can automatically test the frequency response curve of the artificial intelligence loudspeaker and compare the frequency response curve with the set frequency response curve standard; the operation of staff is facilitated, and the production efficiency is increased. The test data are sent to the cloud end last time, so that production data statistics is facilitated, bad reasons are analyzed, and follow-up data tracking is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is an overall schematic configuration diagram of an embodiment of the present invention;

FIG. 2 is a top view of a microphone sound receiving device according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a microphone sound receiving device according to an embodiment of the present invention.

In the figure:

1-a display; 2-a fuselage; 3-a first pneumatic telescopic rod; 4-upper cavity; 5-microphone sound reception device; 6-an induction device; 7-speaker placement seat; 8-infrared induction lamp; 9-upper cavity switch key; 10-a second pneumatic telescopic rod; 11-a lower cavity; 12-infrared induction lamps; 13-a sensing device; 14-cavity switch key; 15-emergency brake button; 16-an accessory drawer; 17-a roller; 18-a weight sensor; 19-floating out the supporting block;

51-a display rack; 52-rubber positioning cavity; 53-a first bevel gear; 54-second bevel gear; 511-diamond-shaped section; 512-triangle part; 513-midfield mounting pieces; 514-high field mounting sheet; 515-a microphone; 516-a first distribution spring; 517-elastic change screw; 518-second distribution spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Example one

As shown in fig. 1, the invention provides an artificial intelligence loudspeaker frequency response test fixture, which is characterized by comprising a trigger module, wherein the trigger module starts a control module by taking an SN code on an artificial scanning loudspeaker as a trigger signal, the control module is connected with a test module controlled by the control module to start and stop, the test module is used for starting the loudspeaker to test and collect frequency response data of the loudspeaker, the test module is connected with a host computer which is used for receiving the frequency response data transmission and drawing a frequency response curve, the host computer is connected with a display 1, the host computer respectively transmits an OK signal or an NG signal to the display 1 and displays the OK signal or the NG signal on the display 1 by judging whether the frequency response curve is within the range of the upper limit and the lower limit of the preset frequency response curve or not within the range of the upper limit and the lower limit of the preset frequency response curve, the computer host simultaneously transmits the frequency response curve and the judgment signal thereof to the cloud end;

test module includes fuselage 2 the bottom installation gyro wheel 17 of fuselage 2 the top fixed mounting of fuselage 2 has cavity 11 down one side of cavity 11 articulates there is last cavity 4 that is used for cooperating it to form seal chamber down cavity 11, last cavity 4's corresponding one side is installed and is used for controlling first pneumatic telescopic link 3 that both open and shut down cavity 11, last cavity 4's corresponding opposite side is installed and is used for controlling second pneumatic telescopic link 10 that both open and shut down, display 1 installs one side of cavity 11 down install microphone radio 5 in the cavity 11 down be used for responding to down cavity 11's one side install and be used for responding to cavity 11, last cavity 4 closed first induction system 6 down cavity 11, last cavity 11's the opposite side is installed and is used for responding to down cavity 11, Go up whether closed second induction system 13 of cavity 4 be provided with the first infrared induction lamp 8 that is used for preventing the human body from pressing from both sides on the first induction system 6 be provided with the second infrared induction lamp 12 that is used for preventing the human body from pressing from both sides on the second induction system 6 install the first upper cavity body switch button 9 and the second upper cavity body switch button 14 of establishing ties each other in order to prevent the mistake and touching on fuselage 2 install emergency braking button 15 that is used for the cutting device power on fuselage 2 accessory drawer 16 has been seted up on fuselage 2.

As shown in fig. 2 and 3, sound absorbing layers are disposed on the inner walls of the upper cavity 4 and the lower cavity 11, and a speaker mounting seat 7 is mounted at the bottom of the microphone sound receiving device 5. The microphone sound receiving apparatus 5 includes a display stand 51, and the display stand 51 is composed of an upper base plate and four leg posts for fixedly supporting the upper base plate. The upper bottom plate of the display bracket 51 is formed by splicing a diamond-shaped part 511 positioned in the center and four triangular parts 512 arranged at the edges of the diamond-shaped part 511, the triangular parts 512 are connected to the leg posts in a one-to-one correspondence manner, four sides of the diamond-shaped part 511 are cut to form four midfield mounting pieces 513, and the middle rest part of the diamond-shaped part 511 forms a high field mounting piece 514; microphones 515 are mounted on the inner side of the triangular part 512, the inner side of the middle field mounting piece 513 and the inner side of the high field mounting piece 514, the high field mounting piece 514 is fixedly mounted in the lower cavity 11 through a support, a first distribution spring 516 is mounted on the edge of the high field mounting piece 514 through an inner cavity, and the tail end of the first distribution spring 516 is fixedly connected onto the middle field mounting piece 513. An elastic change screw 517 is rotatably installed in the inner cavity of the high-field installation sheet 514 through the driving of a motor, and a thread groove for meshing with the first distribution spring 516 is formed in the elastic change screw 517; middle court installation piece 513 through second distributed spring 518 with triangle portion 512 is connected there is rubber location chamber 52 through cavity fixed mounting on the lower cavity 11 first conical gear 53 is installed to rubber location chamber 52 internal rotation, just first conical gear 53's both ends face all contradicts rubber location chamber 52 inner wall is in order to the right first conical gear 53 advances line location, just a terminal surface of first conical gear 53 through the pivot fixed with leg column connects, rubber location chamber 52 rotates through the pivot and installs second conical gear 54, just second conical gear 54 drives through the motor.

In the above, the motor can drive the legs of the display bracket 51 to rotate outwards through the linkage of the first bevel gear 53 and the second bevel gear 54, and the triangular portion 512 is driven to rotate outwards through the cover pushing column, and the triangular portion 512 pulls the midfield mounting sheet 513 through the second distribution spring 518 to move, so that the upper bottom plate of the display bracket 51 spreads around, and a 3D sound receiving array is formed, which can effectively carry out the top end to the sound source, reduce noise, and reduce reverberation.

The elastic change screw 517 is rotated to be nested in the first distribution spring 516, so that the deformable number of turns of the first distribution spring 516 is changed, and the elastic coefficient of the deformation driving of the first distribution spring 516 is changed, so that under the same rotation angle of the leg columns, the deformation of the first distribution spring 516 and the deformation of the second distribution spring 518 are changed, and the height of the midfield mounting plate 513 at the joint of the first distribution spring 516 and the second distribution spring 518 is changed.

A suspension groove is formed in the center of the speaker placement seat 7, a floating support block 19 is placed in the suspension groove through a weight sensor 18 at the bottom of the suspension groove, each surface of the floating support block 19 is not in contact with the suspension groove, and the weight sensor 18 is connected with another controller used for controlling a motor in the microphone sound receiving device 5.

By lifting the speakers at the weight sensor 18 and the floating-out support block 19 and weighing, the weight and the volume of each speaker are tested in advance, and after the weight sensor 18 reads data, the data can be compared with the data in advance to obtain volume value data of the speaker, so that the rotation angle of the leg column and the height of a midfield installation sheet 513 can be adjusted according to the data.

The foregoing description of the embodiments has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the disclosure. Individual elements or features of a particular embodiment are generally not limited to that particular embodiment, but, where applicable, are interchangeable and can be used in a selected embodiment, even if not specifically shown or described. The same elements or features may also vary in many respects. Such variations are not to be regarded as a departure from the disclosure, and all such modifications are intended to be included within the scope of the disclosure.

Example embodiments are provided so that this disclosure will be thorough and will fully convey the scope to those skilled in the art. Numerous details are set forth, such as examples of specific parts, devices, and methods, in order to provide a thorough understanding of embodiments of the present disclosure. It will be apparent to those skilled in the art that specific details need not be employed, that example embodiments may be embodied in many different forms and that neither should be construed to limit the scope of the disclosure. In certain example embodiments, well-known processes, well-known device structures, and well-known technologies are not described in detail.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises" and "comprising" are intended to be inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed and illustrated, unless explicitly indicated as an order of performance. It should also be understood that additional or alternative steps may be employed.

When an element or layer is referred to as being "on" … … "," engaged with "… …", "connected to" or "coupled to" another element or layer, it can be directly on, engaged with, connected to or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element or layer is referred to as being "directly on … …," "directly engaged with … …," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship of elements should be interpreted in a similar manner (e.g., "between … …" and "directly between … …", "adjacent" and "directly adjacent", etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region or section from another element, component, region or section. Unless clearly indicated by the context, use of terms such as the terms "first," "second," and other numerical values herein does not imply a sequence or order. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

Spatially relative terms, such as "inner," "outer," "below," "… …," "lower," "above," "upper," and the like, may be used herein for ease of description to describe a relationship between one element or feature and one or more other elements or features as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below … …" can encompass both an orientation of facing upward and downward. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted.

Claims

1. The artificial intelligence loudspeaker frequency response test fixture is characterized by comprising a trigger module, wherein the trigger module starts a control module by taking an SN code on an artificial scanning loudspeaker as a trigger signal;

the control module is connected with a test module which is controlled by the control module to start and stop;

the testing module is used for starting the loudspeaker to test and collecting frequency response data of the loudspeaker, and is connected with a computer host which is used for receiving the frequency response data transmission and drawing a frequency response curve;

the computer host is connected with a display (1), the computer host transmits 'OK' or 'NG' judgment signals to the display (1) respectively by judging whether a frequency response curve is in a range of an upper limit and a lower limit of a preset frequency response curve or not in the range of the upper limit and the lower limit of the preset frequency response curve and displays the judgment signals on the display (1), and the computer host simultaneously transmits the frequency response curve and the judgment signals to a cloud end;

the testing module comprises a machine body (2), rollers (17) are installed at the bottom of the machine body (2), a lower cavity (11) is fixedly installed at the top of the machine body (2), an upper cavity (4) used for matching with the lower cavity (11) to form a sealed cavity is hinged to one side of the lower cavity (11), a first pneumatic telescopic rod (3) used for controlling the opening and closing of the lower cavity and the upper cavity (4) is installed at one side of the lower cavity (11) and the upper cavity (4), a second pneumatic telescopic rod (10) used for controlling the opening and closing of the lower cavity and the upper cavity is installed at the other side of the lower cavity (11) and the upper cavity (4), a display (1) is installed at one side of the lower cavity (11), a microphone radio device (5) is installed in the lower cavity (11), and a first induction device (6) used for inducing whether the lower cavity (11) and the upper cavity (4) are closed or not is installed, lower cavity (11) the opposite side install and be used for the response cavity (11), go up whether closed second induction system (13) of cavity (4) down be provided with on first induction system (6) and be used for preventing that the human body from pressing from both sides first infrared induction lamp (8) be provided with on second induction system (6) and be used for preventing that the human body from pressing from both sides second infrared induction lamp (12) install on fuselage (2) and establish ties each other in order to prevent first last cavity switch button (9) and second last cavity switch button (14) that the mistake touched install emergency braking button (15) that are used for the cutting device power on fuselage (2) accessory drawer (16) have been seted up on fuselage (2).

2. The artificial intelligence speaker frequency response test fixture of claim 1, characterized in that, the inner wall of upper cavity (4) and lower cavity (11) is all provided with sound absorbing layer, install speaker seat (7) at the bottom of microphone radio (5).

3. The artificial intelligence loudspeaker frequency response test fixture of claim 2, characterized in that, the microphone sound receiving device (5) comprises a display bracket (51), and the display bracket (51) is composed of an upper bottom plate and four legs for fixedly supporting the upper bottom plate.

4. The artificial intelligence loudspeaker frequency response test fixture of claim 3, characterized in that, the upper bottom plate of the display bracket (51) is formed by splicing a diamond-shaped part (511) located at the center and four triangular parts (512) arranged at the edges of the diamond-shaped part (511), and the triangular parts (512) are connected on the leg posts in a one-to-one correspondence manner.

5. The artificial intelligence loudspeaker frequency response test fixture of claim 4, characterized in that, four sides of the diamond-shaped part (511) are cut to form four middle field installation sheets (513), and the middle remaining part of the diamond-shaped part (511) forms one high field installation sheet (514);

microphones (515) are mounted on the inner sides of the triangular portions (512), the middle field mounting pieces (513) and the high field mounting pieces (514).

6. The artificial intelligence loudspeaker frequency response test fixture of claim 5, characterized in that, the high field mounting plate (514) is fixedly mounted in the lower cavity (11) through a bracket, and a first distribution spring (516) is mounted on the edge of the high field mounting plate (514) through an inner cavity, and the end of the first distribution spring (516) is fixedly connected to the middle field mounting plate (513).

7. The artificial intelligence loudspeaker frequency response test fixture of claim 6, characterized by, in the inner chamber of the said high field installation plate (514) rotates and installs the elastic change threaded spindle (517) through the motor drive, said elastic change threaded spindle (517) offer the thread groove used for occluding said first distribution spring (516);

the midfield mounting piece (513) is connected with the triangular part (512) through a second distribution spring (518).

8. The artificial intelligence speaker frequency response test fixture of claim 6, characterized in that, there is rubber location chamber (52) fixedly mounted through the cavity on the lower cavity (11), rotationally mount first conical gear (53) in the rubber location chamber (52), and both end faces of the first conical gear (53) are all contradicted at the rubber location chamber (52) inner wall in order to fix a position first conical gear (53), and a terminal surface of the first conical gear (53) is fixed through the pivot with leg-post connection, rubber location chamber (52) rotationally mount second conical gear (54) through the pivot, and second conical gear (54) mesh in first conical gear (53) and drive through the motor.

9. The artificial intelligence speaker frequency response test fixture of claim 8, characterized in that, there is a suspending groove in the center of the speaker placing seat (7), and a floating support block (19) is placed in the suspending groove by a weight sensor (18) at the bottom of the suspending groove.

10. The artificial intelligence speaker frequency response test fixture of claim 9, characterized in that, each side of the floating support block (19) is not contacted with the suspension slot, and the weight sensor (18) is connected with another controller for controlling the motor inside the microphone sound receiving device (5).