Noise attenuation device of surge tester

Abstract

The utility model relates to the technical field of surge testing, and discloses a noise attenuation device of a surge tester, which comprises a testing cabinet and a display screen arranged close to the upper side of the front surface of a testing cavity, and the testing cavity is arranged in the middle of the front surface of the testing cabinet. A cavity door for blocking and insulating sound of the test cavity is hinged to the front face of the test cabinet, and a second sound insulation assembly for insulating sound is installed on the end face, close to the interior of the test cavity, of the cavity door. According to the noise attenuation device of the surge tester, when testing is carried out, the testing cavity is in a sealed state, sound insulation from six surfaces of the testing cavity is achieved through the first sound insulation assembly and the second sound insulation assembly, noise is prevented from being transmitted out from the interior of the testing cavity when surge testing is carried out, and therefore the comfort degree of the testing environment is improved; and the influence of noise on workers is also avoided.

Description

Technical Field

[0001] This utility model relates to the field of surge testing technology, and in particular to a surge tester noise attenuation device. Background Technology

[0002] During surge testing, the surge tester generates significant noise when subjected to high-pulse impacts. Staff must wear headphones to isolate themselves from the noise. This noise not only affects the comfort of the testing environment but also impacts the health of nearby staff.

[0003] To address this, we propose a noise attenuation device for surge testers. Utility Model Content

[0004] In view of the above-mentioned problem that the surge tester generates a lot of noise when it is struck by high pulses during the surge test, and the staff need to wear headphones to isolate the noise. The noise problem not only affects the comfort of the test environment, but also affects the health of nearby staff. Therefore, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a noise attenuation device for a surge tester, which aims to add a sound insulation structure to the test chamber to isolate noise and prevent it from passing through the test chamber.

[0006] To solve the above technical problems, the present invention provides the following technical solution: a surge tester noise attenuation device, including a test cabinet and a test chamber with a display screen set on the upper side of the front. The test chamber is opened in the middle of the front of the test cabinet, and a door for blocking and soundproofing the test chamber is hinged to the front of the test cabinet. A soundproofing component two for soundproofing is installed on one end face of the door near the inside of the test chamber.

[0007] The test chamber is equipped with a soundproof chamber, which includes a test chamber. The front side of the four sides of the test chamber is welded with a protruding edge, and the outer edge of the tail end of the protruding edge is welded with an outer soundproof chamber. The outer soundproof chamber is equipped with a soundproof component one, and the tail end of the test chamber is located in the soundproof chamber of the soundproof component one.

[0008] As a preferred embodiment of the surge tester noise attenuation device of the present invention, the sound insulation component includes five sets of vibration damping strips, and a set of vibration damping strips is installed on the side of the vibration damping strips in the same set away from the outer sound insulation chamber. An inner sound insulation chamber is installed between the opposite surfaces of the five sets of vibration damping strips.

[0009] As a preferred embodiment of the surge tester noise attenuation device of this utility model, the inner wall of the inner soundproof chamber is bonded with sound-absorbing cotton on all five sides, and the end face of the sound-absorbing cotton away from the inner soundproof chamber is provided with multiple triangular protrusions, and a soundproof cavity for placing the test chamber is formed between the five triangular protrusions.

[0010] As a preferred embodiment of the surge tester noise attenuation device of the present invention, a vacuum cavity is formed between the inner wall surface of the outer sound insulation chamber, the outer wall surface of the inner sound insulation chamber, and the end face of the convex edge near the outer sound insulation chamber. A vacuum tube is inserted and installed on the side of the outer sound insulation chamber away from the convex edge, and one end of the vacuum tube is connected to the inside of the vacuum cavity.

[0011] As a preferred embodiment of the surge tester noise attenuation device of this utility model, a second sound insulation component is installed on the end face of the cavity door near the soundproof chamber, and the end face of the second sound insulation component away from the cavity door is in contact with the end face of the convex edge away from the outer soundproof chamber.

[0012] As a preferred embodiment of the surge tester noise attenuation device of the present invention, the sound insulation component two includes three vibration damping strips three installed on the cavity door, three vibration damping strips four are bonded between the three vibration damping strips three at their ends away from the cavity door, and a sound insulation board is installed between the three vibration damping strips four at their ends away from the cavity door.

[0013] As a preferred embodiment of the surge tester noise attenuation device of the present invention, wherein: the end face of the sound insulation plate away from the cavity door is provided with sound-absorbing cotton II, and the end face of the sound-absorbing cotton II away from the cavity door is provided with triangular protrusion II.

[0014] The beneficial effects of this utility model are:

[0015] 1. In this utility model, the test chamber is in a sealed state during testing. The sound insulation components 1 and 2 simultaneously provide sound insulation from all six sides of the test chamber to prevent noise from being transmitted from the inside of the test chamber during surge testing, thereby improving the comfort of the testing environment and avoiding the impact of noise on the staff.

[0016] 2. In this utility model, the outer soundproof chamber and the inner soundproof chamber provide sound insulation, one on the inner side and the other on the outermost side. This double sound insulation measure prevents sound from being transmitted outward. At the same time, the vibration damping strips one and two are set to dampen and eliminate vibrations, avoiding sound transmission through the structure and improving the sound insulation effect. Furthermore, the sound-absorbing cotton absorbs and eliminates sound, preventing sound transmission. Through its continuous refraction and reflection, it can more effectively capture and absorb sound wave energy, reducing sound reflection and residue. Moreover, the vacuum chamber prevents sound from being transmitted in a vacuum, resulting in excellent sound insulation. In addition, a vacuum pump connected to the vacuum tube can be used to evacuate the vacuum chamber to maintain the vacuum state of the subsequent vacuum chamber. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of a surge tester noise attenuation device according to the present invention.

[0019] Figure 2 This is a schematic diagram of the internal structure of the test chamber of a surge tester noise attenuation device according to the present invention.

[0020] Figure 3 This is an exploded structural diagram of the soundproof chamber of a surge tester noise attenuation device according to this utility model.

[0021] Figure 4 This is a schematic diagram of the external soundproof chamber of a surge tester noise attenuation device according to the present invention.

[0022] Figure 5 This is a schematic diagram of the cavity door of a surge tester noise attenuation device according to the present invention.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Test cabinet; 11. Test chamber; 12. Display screen; 2. Chamber door; 21. Sound insulation component two; 211. Vibration damping strip three; 212. Vibration damping strip four; 213. Sound insulation board; 214. Sound-absorbing cotton two; 215. Triangular protrusion two; 3. Sound insulation chamber; 31. Test chamber; 32. Raised edge; 33. External sound insulation chamber; 34. Sound insulation component one; 341. Vibration damping strip one; 342. Vibration damping strip two; 343. Internal sound insulation chamber; 344. Vacuum chamber; 345. Sound-absorbing cotton one; 346. Triangular protrusion one; 347. Vacuum tube. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Reference Figure 1-5 This invention provides a surge tester noise attenuation device, which includes a test cabinet 1 and a test chamber 11 with a display screen 12 on the upper side of the front. The test chamber 11 is located in the middle of the front of the test cabinet 1, and a door 2 for blocking and soundproofing the test chamber 11 is hinged to the front of the test cabinet 1. A soundproofing component 21 for soundproofing is installed on one end face of the door 2 near the inside of the test chamber 11, and a wire hole is provided on the door 2.

[0027] The test chamber 11 is equipped with a soundproof chamber 3, which includes a test chamber 31. The front side of the four sides of the test chamber 31 is welded with a protruding edge 32. The outer edge of the tail end of the protruding edge 32 is welded with an outer soundproof chamber 33. The outer soundproof chamber 33 is equipped with a soundproof component 34, and the tail end of the test chamber 31 is located in the soundproof cavity of the soundproof component 34.

[0028] During testing, the chamber door 2 is closed, and the test chamber 11 is in a sealed state. The sound insulation components 1 and 2 are set to simultaneously insulate the test chamber 11 from all six sides, so as to prevent noise from being transmitted from the inside of the test chamber 11 during surge testing, thereby improving the comfort of the test environment and avoiding the impact of noise on the staff.

[0029] The sound insulation component 34 includes five sets of vibration damping strips 341, which are installed on five sides of the inner wall of the outer sound insulation chamber 33. There are three sets of vibration damping strips 341. On the side of the same set of vibration damping strips 341 away from the outer sound insulation chamber 33, there is a set of vibration damping strips 342, and there are two sets of vibration damping strips 342. The inner sound insulation chamber 343 is installed between the opposite sides of the five sets of vibration damping strips 342. The vibration damping strips 341 and 342 dampen and eliminate vibrations, prevent sound transmission in the structure, and improve the sound insulation effect.

[0030] The inner walls of the inner soundproof chamber 343 are all bonded with sound-absorbing cotton 345. The end face of the sound-absorbing cotton 345 away from the inner soundproof chamber 343 is provided with multiple triangular protrusions 346, and the five triangular protrusions 346 form a soundproof cavity for placing the test chamber 31. The sound-absorbing cotton 345 absorbs and eliminates sound, preventing sound transmission. The triangular protrusions 346, through their continuous refraction and reflection, can more effectively capture and absorb sound wave energy, reducing sound reflection and residue.

[0031] The outer soundproof chamber 33 and the inner soundproof chamber 343 are soundproofed, one on the inside and the other on the outermost side, providing double soundproofing measures to prevent sound from being transmitted outward.

[0032] A vacuum cavity 344 is formed between the inner wall of the outer soundproof chamber 33, the outer wall of the inner soundproof chamber 343, and the end face of the protruding edge 32 near the outer soundproof chamber 33. The vacuum cavity 344 prevents sound from being transmitted in a vacuum, resulting in excellent sound insulation. A vacuum tube 347 is inserted and installed on the side of the outer soundproof chamber 33 away from the protruding edge 32. One end of the vacuum tube 347 is connected to the inside of the vacuum cavity 344, while the other end of the vacuum tube 347 is located outside the test cabinet 1. A solenoid valve and a pressure gauge are installed on the vacuum tube 347. A vacuum pump connected to the vacuum tube 347 can be used to evacuate the vacuum cavity 344 to maintain the vacuum state of the subsequent vacuum cavity 344.

[0033] A sound insulation component 21 is installed on the end face of the cavity 2 near the soundproof chamber 3, and the end face of the sound insulation component 21 away from the cavity 2 is in contact with the end face of the protruding edge 32 away from the outer soundproof chamber 33.

[0034] The sound insulation component 21 includes three damping strips 211 installed on the cavity door 2. Three damping strips 212 are bonded between the three damping strips 211 at their ends away from the cavity door 2. A sound insulation plate 213 is installed between the three damping strips 212 at their ends away from the cavity door 2.

[0035] The soundproof panel 213 is provided with sound-absorbing cotton 214 on the end face away from the cavity 2, and the sound-absorbing cotton 214 is provided with triangular protrusion 215 on the end face away from the cavity 2.

[0036] The principle and benefits of sound insulation component 21 are the same as those of the outer sound insulation chamber 33, which seals and insulates the front side of the sound insulation chamber 3.

[0037] During use, the equipment to be tested is installed inside the test chamber 31. The chamber door 2 is provided with a wire hole for wiring. When testing, the chamber door 2 is closed, and the test chamber 11 is in a sealed state. Sound insulation is achieved from all six sides of the test chamber 11 through the sound insulation component 1 34 and the sound insulation component 21.

[0038] The outer sound insulation chamber 33 and the inner sound insulation chamber 343 are designed to provide sound insulation, with one on the inner side and the other on the outermost side. Meanwhile, the vibration damping strip 341 and vibration damping strip 342 are designed to dampen and eliminate vibrations, prevent sound transmission through the structure, and improve the sound insulation effect.

[0039] Furthermore, the sound-absorbing cotton 345 absorbs and eliminates sound, preventing its transmission. The triangular protrusion 346, through continuous refraction and reflection, can more effectively capture and absorb sound wave energy, reducing sound reflection and residue. In addition, the vacuum cavity 344 prevents sound from being conducted in a vacuum, resulting in excellent sound insulation.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A surge tester noise attenuation device, comprising a test cabinet (1) and a test chamber (11) with a display screen (12) disposed on the upper side of the front, characterized in that: The test cabinet (1) has a test cavity (11) in the middle of the front, and a door (2) for blocking and soundproofing the test cavity (11) is hinged to the front of the test cabinet (1). A soundproofing component (21) for soundproofing is installed on one end face of the door (2) near the inside of the test cavity (11). The test chamber (11) is equipped with a soundproof chamber (3), which includes a test chamber (31). The test chamber (31) has a protruding edge (32) welded to the front side of all four sides. An outer soundproof chamber (33) is welded to the outer edge of the protruding edge (32). A soundproof component (34) is installed inside the outer soundproof chamber (33), and the tail end of the test chamber (31) is located in the soundproof cavity of the soundproof component (34).

2. The surge tester noise attenuation device according to claim 1, characterized in that: The sound insulation component 1 (34) includes five sets of vibration damping strips 1 (341). A set of vibration damping strips 2 (342) is installed on the side of the set of vibration damping strips 1 (341) away from the outer sound insulation chamber (33). An inner sound insulation chamber (343) is installed between the opposite surfaces of the five sets of vibration damping strips 2 (342).

3. The surge tester noise attenuation device according to claim 2, characterized in that: The inner wall of the inner soundproof chamber (343) is bonded with sound-absorbing cotton (345) on all five sides. The end face of the sound-absorbing cotton (345) away from the inner soundproof chamber (343) is provided with multiple triangular protrusions (346), and a soundproof cavity for placing the test chamber (31) is formed between the five triangular protrusions (346).

4. The surge tester noise attenuation device according to claim 3, characterized in that: A vacuum cavity (344) is formed between the inner wall of the outer soundproof chamber (33), the outer wall of the inner soundproof chamber (343), and the end face of the protruding edge (32) near the outer soundproof chamber (33). A vacuum tube (347) is inserted and installed on the side of the outer soundproof chamber (33) away from the protruding edge (32), and one end of the vacuum tube (347) is connected to the inside of the vacuum cavity (344).

5. The surge tester noise attenuation device according to claim 4, characterized in that: The cavity door (2) is equipped with a sound insulation component two (21) on one end face near the sound insulation chamber (3), and the end face of the sound insulation component two (21) away from the cavity door (2) is in contact with the end face of the protruding edge (32) away from the outer sound insulation chamber (33).

6. The surge tester noise attenuation device according to claim 5, characterized in that: The sound insulation component 2 (21) includes three damping strips 3 (211) installed on the cavity door (2), and three damping strips 4 (212) are bonded between the three damping strips 3 (211) at one end away from the cavity door (2), and a sound insulation board (213) is installed between the three damping strips 4 (212) at one end away from the cavity door (2).

7. The surge tester noise attenuation device according to claim 6, characterized in that: The sound insulation board (213) is provided with a second sound-absorbing cotton (214) on one end face away from the cavity door (2), and the second sound-absorbing cotton (214) is provided with a second triangular protrusion (215) on one end face away from the cavity door (2).

Images