Noise testing equipment and system thereof

Abstract

The utility model relates to a noise test device and a system thereof, the noise test device comprises a box body, a microphone, a data collector and a connecting line, a cavity is formed in the box body, a first fixing assembly and a second fixing assembly are arranged on the box body, a mounting position is arranged on the box body, and the mounting position is in a flaring shape; the microphone is arranged on the mounting position through the first fixing assembly; the data collector is arranged in the cavity through the second fixing assembly, and the output end of the data collector is used for being connected with a display; the connecting line is electrically connected with the microphone and the input end of the data collector; the problem that an existing noise test meter cannot diagnose a noise source, and consequently the test efficiency is low is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of noise testing, in particular to a noise testing device and system thereof. BACKGROUND

[0002] The CT (Computed Tomography) device has a complex internal structure, and has more than 20 noise sources. The main noise comes from the heat dissipation fan of each component, the rotation of the rotating part, etc. When the CT system has a noise problem, the current noise testing meter can only detect the noise value, and cannot diagnose the noise source, which affects the efficiency. CONTENT OF THE INVENTION

[0003] The present application provides a noise testing device and system thereof to solve the problem of low test efficiency caused by the inability of the existing noise testing meter to diagnose the noise source.

[0004] In a first aspect, the present application provides a noise testing device, comprising:

[0005] a box body, an internal cavity is formed in the box body, a first fixing assembly and a second fixing assembly are arranged on the box body, an installation site is arranged on the box body, and the installation site is in an expanded port shape;

[0006] a microphone arranged on the installation site through the first fixing assembly;

[0007] a data collector arranged in the cavity through the second fixing assembly, and an output end of the data collector is connected with a display; and

[0008] a connecting line electrically connected with the microphone and an input end of the data collector.

[0009] In a possible implementation, an installation hole is provided through the installation site, the microphone is plugged into the installation hole, the first fixing assembly comprises a protrusion and a groove in embedded cooperation, one of the protrusion and the groove is arranged in the installation hole, and the other is arranged on the microphone.

[0010] In a possible implementation, the second fixing assembly comprises an installation slot arranged on the box body, a fixing pressing plate is arranged on the data collector, and the fixing pressing plate is detachably connected with the box body.

[0011] In a possible implementation, a third fixing assembly arranged in the cavity is further included, the third fixing assembly comprises a wire winder, and the connecting line is wound on the wire winder.

[0012] In a possible implementation, at least one wire clamp is arranged on the periphery of the wire winder.

[0013] In a possible implementation, the box is provided with an opening at the position of the alignment with the output end of the data collector, and a cover plate is movably arranged on the box and used to cooperate with the opening.

[0014] In a possible implementation, the cover plate is provided with at least one first reinforcing rib.

[0015] In a possible implementation, the microphone cover is provided with a wind shield.

[0016] In a possible implementation, the box is provided with at least one second reinforcing rib.

[0017] In a second aspect, the present application provides a noise testing system, comprising a display and the noise testing device as described in the first aspect, the data collector of the noise testing device is connected with the display, and the display is provided with a display screen for displaying data.

[0018] Compared with the prior art, the above technical solution provided by the embodiments of the present application has the following advantages:

[0019] The noise testing device and the system thereof provided by the embodiments can collect sound by the microphone, transmit the sound signal collected by the microphone to the data collector through the connecting line, convert the sound signal into an electric signal by the data collector, and transmit the electric signal to the display, so that the display can display the distribution of the signal in frequency. When the device has a noise problem, the sound fluctuation range of different components in the device at the corresponding frequency is certain, so that the abnormal component of the device that has the noise can be quickly determined by comparing the display data on the display with the data in the normal state of the device, the noise source can be diagnosed in time and accurately, and the testing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and serve to explain the principles of the present application together with the specification.

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, those skilled in the art can obtain other drawings from these drawings without any creative effort.

[0022] One or more embodiments are illustrated by way of example in the figures that are part of this disclosure and which are illustrative, but not restrictive, of the embodiments, wherein elements having the same reference number designates like elements throughout the various figures, unless otherwise expressly provided for in the patent claim(s), and wherein the figures are not necessarily drawn to scale.

[0023] Figure 1 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0024] Figure 2 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0025] Figure 3 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0026] Figure 4 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0027] Figure 5 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0028] Figure 6 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0029] Figure 7 A perspective view of a noise testing apparatus according to an embodiment of the present application. Figure 5 A top view of a noise testing apparatus according to an embodiment of the present application.

[0030] Figure 8 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0031] Figure 9 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0032] Figure 10 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0033] Figure 11 A perspective view of a noise testing apparatus according to an embodiment of the present application.

[0034] BRIEF DESCRIPTION OF THE DRAWINGS

[0035] 1, box; 2, cavity; 3, first fixing assembly; 4, mounting position; 5, microphone; 6, data collector; 7, second fixing assembly; 8, mounting hole; 9, mounting groove; 10, fixing pressing plate; 11, third fixing assembly; 12, winder; 13, wire clamp; 14, connecting wire; 15, opening; 16, cover plate; 17, first reinforcing rib; 18, wind shield; 19, rib; 20, triangular rib; 21, protrusion; 22, column hole; 23, through hole; 24, bottom shell; 25, top cover; 26, first hole position; 27, second hole position. DETAILED DESCRIPTION

[0036] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, any other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of the present application.

[0037] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplicity, the elements and settings of particular examples in the following are described. Of course, they are only examples and are not intended to limit the present application. Furthermore, the present application can repeat reference numerals and / or letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not indicate a relationship between the described various embodiments and / or settings.

[0038] For the purpose of description, spatial relative terms, such as "inner", "outer", "inward", "outward", "lower", "bottom", "upper", "top", "front", "rear", and the like, can be used to describe the relative position relationship or movement of one element or feature to another element or feature as shown in the drawings. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the drawings. For example, if the device in the drawings is turned over or reversed, or the posture or movement state is changed, the directional indications will also change accordingly, for example: the element described as "below" or "under" other elements or features will be subsequently oriented as "above" or "over" other elements or features. Therefore, the example term "under" can include both upward and downward positions. The device can be additionally oriented (rotated by 90 degrees or in other directions) and the spatial relative relationship descriptors used in the text are interpreted accordingly.

[0039] Reference Figures 1-8The embodiment of the present application provides a noise testing device, which comprises a box body 1, a microphone 5, a data collector 6 and a connecting line 14, wherein the box body 1 is internally formed with a cavity 2, the box body 1 is provided with a first fixing assembly 3 and a second fixing assembly 7, the box body 1 is provided with a mounting position 4, and the mounting position 4 is in the shape of an expanded mouth. The microphone 5 is arranged on the mounting position 4 through the first fixing assembly 3; the data collector 6 is arranged in the cavity 2 through the second fixing assembly 7, and an output end of the data collector 6 is used for being connected with a display; and the connecting line 14 is electrically connected with the microphone 5 and an input end of the data collector 6.

[0040] The microphone 5 collects sound, transmits the sound signal collected by the microphone 5 to the data collector 6 through the connecting line 14, converts the sound signal into an electric signal by the data collector 6, and transmits the electric signal to the display, so that the display can display the distribution of the signal on the frequency. When the device has a noise problem, since the sound fluctuation range of different components in the device at the corresponding frequency is certain, the abnormal component of the device that has the noise can be quickly determined by comparing the display data on the display with the data in the normal state of the device, the noise source is diagnosed in time and accurately, and the testing efficiency is improved.

[0041] The microphone 5 is arranged at the mounting position 4 of the box body 1, the mounting position 4 is in the shape of an expanded mouth, the structure in the shape of an expanded mouth can guide the sound from the sound source to a smaller area, thereby enhancing the reception of the sound. In addition, the inner surface of the structure in the shape of an expanded mouth can reflect the sound wave, the inner surface of the horn-shaped structure can reflect the sound wave, the scattering and absorption of the sound are reduced, the sound energy is more concentrated in one direction, and the sound intensity is increased.

[0042] Specifically, the mounting position 4 comprises a mounting plate and two side plates arranged on the two sides of the mounting plate respectively, and the two side plates extend away from the mounting plate and are arranged on the sides away from each other, so that the overall shape of the mounting position 4 is in the shape of an expanded mouth. Alternatively, the side plates can be planes or arc surfaces arranged obliquely, which facilitates the collection of sound.

[0043] A wind shield 18 is arranged on the microphone 5, the wind shield 18 can reduce the influence of wind on the microphone 5, thereby reducing the interference of wind noise. In addition, the wind shield 18 can reduce the influence of dust, moisture and wind noise on the microphone 5, which helps to prolong the service life of the microphone 5. Of course, the structure in the shape of an expanded mouth of the mounting position 4 also facilitates the installation of the wind shield 18.

[0044] Reference Figures 1 to 6In some embodiments, the mounting hole 8 is provided through the mounting site 4, and the microphone 5 is inserted into the mounting hole 8. The microphone 5 is inserted into the mounting hole 8, so that one end of the microphone 5 is exposed from the box 1 to facilitate sound collection, and the other end is located in the cavity 2 to facilitate connection with the connecting line 14.

[0045] With reference to Figures 1 to 8 The microphone 5 is arranged on the mounting site 4 by the first fixing assembly 3, and the first fixing assembly 3 is used for limiting and fixing the microphone 5, so as to guarantee the stability and reliability of the microphone 5 on the box 1 and guarantee the use of the microphone 5. The first fixing assembly 3 can adopt any component that can realize limiting and fixing, such as a clamping jaw, a buckle or a positioning pin, etc. In the present application, the first fixing assembly 3 includes a protrusion 21 and a groove which are embedded and matched, one of the protrusion 21 and the groove is arranged in the mounting hole 8, and the other is arranged on the microphone 5. The microphone 5 is assembled on the box 1 by the embedded matching of the groove and the protrusion 21, so as to guarantee the stable use of the microphone 5.

[0046] With reference to Figures 1 to 10 The data collector 6 is arranged in the cavity 2 by the second fixing assembly 7, and the second fixing assembly 7 is used for limiting and fixing the data collector 6, so as to guarantee the stability of the data collector 6 on the box 1. Of course, the second fixing assembly 7 can also adopt any component that can realize limiting and fixing, such as the clamping jaw, the buckle or the positioning pin mentioned above, etc. In the present application, the second fixing assembly 7 includes a mounting groove 9 arranged on the box 1, and a fixing plate 10 arranged on the data collector 6, and the fixing plate 10 is detachably connected with the box 1. The data collector 6 is embedded in the mounting groove 9, so as to limit the data collector 6 in the horizontal direction. Then, the fixing plate 10 is pressed on the data collector 6, and the fixing plate 10 is connected with the box 1, so as to limit the movement of the data collector 6 in the height direction, thereby guaranteeing the stability of the data collector 6 in the cavity 2.

[0047] In order to facilitate installation, disassembly and maintenance, the fixed pressing plate 10 is detachably connected with the box body 1, so as to facilitate the placement of the data collector 6 in the installation groove 9 or facilitate the taking out of the data collector 6 from the installation groove 9. Specifically, the detachable connection between the fixed pressing plate 10 and the box body 1 includes buckle connection or screw cooperation and the like, in the present application, the box body 1 is provided with a column hole 22, and the fixed pressing plate 10 is provided with a through hole 23 at the position corresponding to the column hole 22, and the column hole 22 and the through hole 23 are screw-connected by screws or bolts, so as to realize the reliability of the connection between the fixed pressing plate 10 and the box body 1. Further, in order to improve the connection strength between the fixed pressing plate 10 and the box body 1, the column hole 22 can be provided with two, three or more, and correspondingly, the fixed pressing plate 10 is provided with two, three or more through holes 23, and each through hole 23 corresponds to each column hole 22. Of course, in order to ensure the uniformity of stress, each column hole 22 is uniformly and spacedly distributed.

[0048] In some embodiments, the noise testing device further comprises a third fixing assembly 11 arranged in the cavity 2, the third fixing assembly 11 comprises a wire winder 12, and the connecting line 14 is wound on the wire winder 12. The connecting line 14 used for testing is generally long, and the two ends of the connecting line 14 are respectively connected with the microphone 5 and the data collector 6, and the middle position of the connecting line 14 is wound on the wire winder 12, so as to ensure the neatness of the data line and reduce the safety hazard caused by the winding of the connecting line 14. In addition, the scattered connecting line 14 can interfere with the work of other components in the device, and the arrangement of the wire winder 12 can reduce such interference, and the winding of the data line through the wire winder 12 in the limited space can save space and make the device more compact.

[0049] Optionally, at least one wire clamp 13 is arranged on the periphery of the wire winder 12, which can ensure that the wound data line remains in a fixed position and will not be loose due to pulling or moving; long-term excessive bending of the connecting line 14 can cause damage to the internal circuit of the connecting line 14, and the wire clamp 13 can help to keep the bending of the connecting line 14 within a reasonable range, reducing the risk of damage. The connecting line 14 fixed by the wire clamp 13 reduces friction with other objects, thereby reducing wear and tear and improving service life.

[0050] Of course, the wire clamp 13 can be provided with two, three or more, and the arrangement of multiple wire clamps 13 can further improve the fixing strength and stability. In addition, the tension of the connecting line 14 can be effectively reduced by the multiple wire clamps 13, which can effectively reduce the risk of breaking of the connecting line 14 during use and reduce the loss.

[0051] In some embodiments, the box 1 is provided with an opening 15 at the alignment position of the output end of the data collector 6, and a cover plate 16 is movably arranged on the box 1 and used to cooperate with the opening 15. The arrangement of the opening 15 exposes the output end of the data collector 6 outside the box 1, facilitating the connection of the data collector 6 with the display and the operation. When the noise testing device is used for noise testing, the cover plate 16 is movably arranged to open the opening 15, facilitating the connection of the data collector 6 with the display and the testing. When the noise testing device is not used for testing, the cover plate 16 is movably arranged to shield the opening 15, avoiding damage to the output end of the data collector 6 and ensuring safety.

[0052] Referring to Figures 1 to 11 In the present application, the cover plate 16 is arranged on the box 1 in a rotating manner, one end of the cover plate 16 is rotatably connected with the box 1, and the user can open the opening 15 by turning the cover plate 16 upward. The cover plate 16 can shield the opening 15 under the action of its own gravity, facilitating the operation. In addition, the other end of the cover plate 16 can be rotatably connected with the box 1 by screws or positioning pins, etc. to fix the cover plate 16, ensuring the reliability of the cover plate 16 during the transportation of the noise testing device and avoiding the shaking of the cover plate 16 to damage the data collector 6.

[0053] In the present application, the cover plate 16 is arranged on the box 1 in a rotating manner, one end of the cover plate 16 is rotatably connected with the box 1, and the user can open the opening 15 by turning the cover plate 16 upward. The cover plate 16 can shield the opening 15 under the action of its own gravity, facilitating the operation. In addition, the other end of the cover plate 16 can be rotatably connected with the box 1 by screws or positioning pins, etc. to fix the cover plate 16, ensuring the reliability of the cover plate 16 during the transportation of the noise testing device and avoiding the shaking of the cover plate 16 to damage the data collector 6.

[0054] Optionally, the cover plate 16 is provided with at least one first reinforcing rib 17. The first reinforcing rib 17 can improve the structural strength of the cover plate 16, and can also be used as a handle to facilitate the user to turn the cover plate 16. The first reinforcing rib 17 can also be provided with two, three or more first reinforcing ribs to further improve the structural strength. In the present application, the cover plate 16 is provided with two first reinforcing ribs 17 arranged in a cross structure to improve the structural strength and uniformly distribute the stress.

[0055] In some embodiments, at least one second reinforcing rib is provided inside the box body 1. The provision of the second reinforcing rib can improve the structural strength of the box body 1. Two, three, or more second reinforcing ribs can also be provided, thereby further enhancing the structural strength. In this application, multiple second reinforcing ribs are provided, and the multiple second reinforcing ribs are evenly distributed, which can improve the stability of the structure, reduce local stress concentration, and thus improve the overall load-bearing capacity of the structure. The multiple second reinforcing ribs include multiple ribs 19 and multiple triangular ribs 20. Ribs 19 are provided at the plane of the box body 1, and triangular ribs 20 are provided at the bends of the box body 1. Ribs 19 can increase the strength and rigidity of the box body 1 and prevent deformation of the box body 1. Triangular ribs 20 can increase the strength at the bends, increase structural stability, and prevent deformation and cracks.

[0056] The housing 1 includes a bottom shell 24 and a top cover 25 disposed on the bottom shell 24. The bottom shell 24 and the top cover 25 enclose a cavity 2. The bottom shell 24 and the top cover 25 can be fixedly connected or detachably connected. Specifically, the bottom shell 24 and the top cover 25 can be fixedly connected by welding or bonding; or, the bottom shell 24 and the top cover 25 can be detachably connected by snap-fit. In this application, the bottom shell 24 is provided with multiple mounting posts, each with a first hole 26. The top cover 25 has a second hole 27 at the position corresponding to the first hole 26. The first hole 26 and the second hole 27 are screwed together by screws or bolts, thereby facilitating the opening of the cavity 2 and enabling maintenance or disassembly of the internal components of the cavity 2.

[0057] In summary, the noise testing device provided in this embodiment collects sound through microphone 5 and transmits the sound signal collected by microphone 5 to data acquisition unit 6 through connecting cable 14. Data acquisition unit 6 converts the sound signal into an electrical signal and transmits it to a display, which can display the frequency distribution of the signal. When the device has a noise problem, since the sound fluctuation range of different components within the device at corresponding frequencies is certain, by comparing the data displayed on the display with the data under normal device conditions, the abnormal component causing the noise can be quickly identified, enabling timely and accurate noise source diagnosis and improving testing efficiency.

[0058] Reference Figures 1-11 This application also provides a noise testing system, including a display and a noise testing device as described in the first aspect. The data acquisition unit 6 of the noise testing device is connected to the display, and the display is provided with a display screen for displaying data.

[0059] It is to be understood that 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", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, 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

[0060] Although the terms first, second, third, etc. can 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 can be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first", "second", and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. 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.

[0061] The above description is merely illustrative of the application and does not limit the scope of the application as disclosed. Many modifications and variations to the implementations described herein will be apparent to those of ordinary skill in the art, all of which are intended to be within the scope of this application. Accordingly, the application is not to be limited nor is to be construed as limited to the examples disclosed herein but is to be controlled by the limits and the scope of the claims and their equivalents.

Claims

1. A noise testing device, characterized in that, include: The box (1) has a cavity (2) inside. The box (1) is provided with a first fixing component (3) and a second fixing component (7). The box (1) is provided with a mounting position (4), which is flared. The microphone (5) is mounted on the mounting position (4) via the first fixing component (3); A data acquisition unit (6) is disposed within the cavity (2) via the second fixing component (7), and the output end of the data acquisition unit (6) is used to connect to a display; and The connecting cable (14) is electrically connected to the input terminal of the microphone (5) and the data acquisition unit (6).

2. The noise testing equipment according to claim 1, characterized in that, The mounting position (4) has a through mounting hole (8), and the microphone (5) is inserted into the mounting hole (8). The first fixing component (3) includes a fitted protrusion (21) and a groove. One of the protrusion (21) and the groove is disposed in the mounting hole (8), and the other is disposed on the microphone (5).

3. The noise testing equipment according to claim 1, characterized in that, The second fixing component (7) includes a mounting groove (9) disposed on the housing (1), and a fixing plate (10) is disposed on the data acquisition unit (6), and the fixing plate (10) is detachably connected to the housing (1).

4. The noise testing equipment according to claim 1, characterized in that, It also includes a third fixing component (11) disposed in the cavity (2), the third fixing component (11) including a winding device (12), and the connecting wire (14) is wound on the winding device (12).

5. The noise testing equipment according to claim 4, characterized in that, At least one wire clamp (13) is provided on the periphery of the winder (12).

6. The noise testing equipment according to claim 1, characterized in that, An opening (15) is provided at the alignment point between the housing (1) and the output end of the data acquisition device (6). A cover plate (16) is movably provided on the housing (1) and is used to cooperate with the opening (15).

7. The noise testing equipment according to claim 6, characterized in that, At least one first reinforcing rib (17) is provided on the cover plate (16).

8. The noise testing device according to claim 1, characterized in that, The microphone (5) is covered with a windproof cover (18).

9. The noise testing equipment according to claim 1, characterized in that, The box (1) is provided with at least one second reinforcing rib.

10. A noise testing system, characterized in that, Includes a display and a noise testing device as described in any one of claims 1-9, wherein the data acquisition unit (6) of the noise testing device is connected to the display, and the display is provided with a display screen for displaying data.

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