Avionics test room mute cabinet

By designing a silent cabinet for the avionics test laboratory, using multi-layered exhaust and intake modules, combined with double doors and sound insulation cotton, the problem of traditional silent cabinets being unable to isolate noise and dissipate heat was solved, achieving reduced equipment noise and improved heat dissipation.

CN223811052UActive Publication Date: 2026-01-20CHENGDU AIRCRAFT DESIGN INST OF AVIATION IND CORP OF CHINA
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Patent Information

Application Number
CN202423288949.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-20
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional silent cabinets cannot effectively isolate the noise of avionics test equipment, and the heat dissipation of the equipment in a closed environment is poor, which cannot meet the requirements of high-noise and high-heat test room scenarios.

Method used

A silent cabinet for an avionics test laboratory was designed, which adopts a multi-layered exhaust and intake module, combined with double doors and sound insulation cotton, to form a sound-absorbing air duct and negative pressure environment, thereby enhancing noise isolation and heat dissipation.

Benefits of technology

It effectively reduces equipment noise and ensures the equipment's heat dissipation requirements, making it suitable for high-noise and high-heat laboratory environments.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223811052U_ABST
Patent Text Reader

Abstract

The utility model provides a mute cabinet for an avionics test room. The mute cabinet comprises a cabinet frame (1), an air draft module (2), an air inlet module (3) and an equipment mounting platform (8), the cabinet frame (1) is of a rectangular frame structure, and doors are arranged on the four faces of the frame structure. The air draft module (2) is bolted with the top of the cabinet frame (1); the air inlet module (3) is bolted with the inner side of the bottom of the cabinet frame (1); a platform support is arranged in the cabinet frame (1) and comprises a transverse support and a longitudinal support, the transverse support is welded to the cabinet frame (1), and the longitudinal support is directly connected with the transverse support through bolts. The equipment installation platform (8) is connected with a platform support in the cabinet frame (1) through bolts. The noise of the avionics equipment in an avionics system test is reduced, and the heat dissipation requirement of the equipment is met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of avionics test equipment, concretely relates to a kind of avionics laboratory mute machine cabinet. BACKGROUND

[0002] Some test equipment with high-power cooling fan is usually needed in avionics laboratory, these equipment has the characteristics of large noise and large heat, and each has different heat characteristics and airflow characteristics.

[0003] Using conventional cabinet cannot isolate equipment noise, so that laboratory is in a high-noise state for a long time. The traditional mute cabinet is usually designed for server, and the equipment working condition in the cabinet body is relatively simple, while the test equipment used in laboratory has complex working condition, and the influence of airflow in the cabinet is different, which is easy to form heat extrusion and affect the heat dissipation effect. The heat dissipation system of traditional mute cabinet cannot meet the heat dissipation demand in laboratory scene. UTILITY MODEL CONTENTS

[0004] To solve this problem, a kind of avionics laboratory mute cabinet is utility modeled, which reduces the noise of avionics equipment in avionics system test and meets the heat dissipation demand of equipment.

[0005] The utility model provides a kind of avionics laboratory mute cabinet, comprising: cabinet frame 1, exhaust module 2, air inlet module 3, equipment installation platform 8;

[0006] Cabinet frame 1 is rectangular frame structure, and doors are arranged on four sides of frame structure;

[0007] Exhaust module 2 is bolted with the top of cabinet frame 1, and air inlet module 3 is bolted with the inner side of the bottom of cabinet frame 1;

[0008] Platform support is arranged in cabinet frame 1, and platform support includes horizontal support and longitudinal support, horizontal support is welded with cabinet frame 1, and longitudinal support is connected with horizontal support by bolt;

[0009] Equipment installation platform 8 is connected with the internal platform support of cabinet frame 1 by bolt.

[0010] Optionally, the avionics laboratory mute cabinet further comprises: front door 4, rear door 5, left door 6 and right door 7;

[0011] Front door 4 is connected with the front door frame of cabinet frame 1 by hinge and is fixed by using top and bottom lock, rear door 5 is connected with the rear door frame of cabinet frame 1 by hinge, left door 6 is connected with the left side door frame of cabinet frame 1 by panel lock, and right door 7 is connected with the right side door frame of cabinet frame 1 by panel lock.

[0012] Optionally, the front door 4, the rear door 5, the left door 6 and the right door 7 are double-layer structures, and the inner layer surface is provided with mesh holes.

[0013] Optionally, the inner side of the front door 4, the rear door 5, the left door 6 and the right door 7 is pasted with a sealing rubber strip, which is sealed with the door frame of the cabinet frame 1 after being closed, and plays a role of isolating device noise.

[0014] Optionally, the air exhaust module 2 and the air intake module 3 are internally provided with a heat dissipation fan 102.

[0015] Optionally, the air exhaust power of the air exhaust module 2 is greater than the air intake power of the air intake module 3, so that the internal environment of the cabinet and the external environment form a negative pressure, and the heat is quickly discharged.

[0016] Optionally, the avionics laboratory silent cabinet further comprises a top heat dissipation fan support 101.

[0017] The air exhaust module 2 is a multi-layer structure, and the air exhaust module 2 is internally provided with the top heat dissipation fan support 101, so that the air exhaust module 2 is divided into three cavities, the middle cavity is an air intake cavity, and the two side cavities are sound insulation diffusion cavities, forming a sound insulation air duct.

[0018] The top heat dissipation fan support 101 is fixed with the heat dissipation fan 102.

[0019] Optionally, sound insulation cotton 11 is inlaid between the outer layer and the inner layer.

[0020] The avionics laboratory silent cabinet has the following beneficial effects:

[0021] The avionics laboratory silent cabinet solves the problem that the traditional cabinet cannot effectively isolate the noise source, effectively reduces the device noise, solves the problem that the heat generated by the internal equipment in the closed environment is difficult to discharge, causes the internal temperature to be too high, reduces and damages the test equipment, meets the heat dissipation demand of the equipment, is widely applied, and can be popularized and applied to the test environment with high-noise equipment. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 Front side view of the silent cabinet;

[0023] Figure 2 Rear side view of the silent cabinet;

[0024] Figure 3 Front cross-sectional view of the silent cabinet;

[0025] Figure 4 Exploded view of the silent cabinet;

[0026] MARKS OF THE DRAWINGS:

[0027] 1 - cabinet frame; 2 - exhaust module; 3 - air intake module; 4 - front door; 5 - rear door; 6 - left door; 7 - right door; 8 - equipment mounting platform; 101 - top heat dissipation fan bracket; 102 - heat dissipation fan. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0029] The features and illustrative embodiments of various aspects of the utility model will be described in detail below. In the following detailed description, many specific details are proposed in order to provide a comprehensive understanding of the utility model. However, it is obvious for those skilled in the art that the utility model can be implemented without some of these specific details. The following description of the embodiments is only to provide a better understanding of the utility model by showing examples of the utility model. The utility model is by no means limited to any specific settings and methods proposed below, but covers any improvements, replacements and modifications of structure, method and device without departing from the spirit of the utility model. In the drawings and the following description, the known structures and technologies are not shown to avoid unnecessary obscuring of the utility model.

[0030] It should be noted that the features in the embodiments of the utility model and the embodiments can be combined with each other without conflict, and each embodiment can be mutually referenced and quoted. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0031] The utility model will be further described in detail below in combination with the embodiments and the drawings, but the implementation mode of the utility model is not limited thereto.

[0032] With reference to Figures 1 to 4 The utility model provides a kind of implementation case: a mute cabinet, comprising: cabinet frame 1, exhaust module 2 air intake module 3, front door 4, rear door 5, left door 6, right door 7, equipment mounting platform 8.

[0033] The exhaust module 2 is bolted with the top of cabinet frame 1;The air intake module 3 is bolted with the bottom inner side of cabinet frame 1.

[0034] The front door 4 is connected with the front door frame of the cabinet frame 1 through a hinge and is fixed by using a mortise lock, the rear door 5 is connected with the rear door frame of the cabinet frame 1 through a hinge, the left door 6 is connected with the left door frame of the cabinet frame 1 through a panel lock, and the right door 7 is connected with the right door frame of the cabinet frame 1 through a panel lock.

[0035] The equipment installation platform 8 is connected with the inner platform support of the cabinet frame through bolts, the platform support comprises a transverse support and a longitudinal support, the transverse support is welded with the cabinet frame 1, and the longitudinal support is connected with the transverse support through bolts.

[0036] Referring to the mute cabinet shown in Figs. Figure 3 and Figure 4 The front door 4, the rear door 5, the left door 6 and the right door 7 are of a double-layer structure, the inner layer surface is provided with mesh holes, and sound insulation cotton 11 is inlaid between the outer layer and the inner layer.

[0037] The inner side of the front door 4, the rear door 5, the left door 6 and the right door 7 is pasted with a sealing rubber strip, and is sealed with the door frame of the cabinet frame 1 after being closed, thereby playing a role of isolating equipment noise.

[0038] The heat dissipation fan 102 is connected with the top heat dissipation fan support 101, the air exhaust module 2 is of a multi-layer structure, the air exhaust module 2 is divided into three cavities by the top heat dissipation fan support 101, the middle cavity is an air exhaust cavity, and the two side cavities are sound insulation diffusion cavities, thereby forming a sound insulation air duct, the air inlet and the air outlet are located at different directions, the propagation and reflection path of the noise of the air outlet of the cabinet body are effectively prolonged, and the noise of the air outlet is reduced.

[0039] Referring to the mute cabinet shown in Figs. Figure 3 and Figure 4 The air exhaust module 2 and the air inlet module 3 are provided with the heat dissipation fan 102, the air exhaust power of the air exhaust module 2 is greater than the air inlet power of the air inlet module 3, the internal environment of the cabinet body and the external environment form a negative pressure, and the heat is quickly discharged.

[0040] The above is only a further embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the conception of the utility model within the range disclosed by the utility model, and the protection scope of the utility model belongs to the protection scope of the utility model.

Claims

1. An avionics test laboratory soundproof cabinet, characterized by, It comprises: Cabinet frame (1), exhaust module (2), air intake module (3), equipment installation platform (8); The cabinet frame (1) is a rectangular frame structure, and doors are arranged on four sides of the frame structure; The exhaust module (2) is bolted to the top of the cabinet frame (1), and the air intake module (3) is bolted to the inner side of the bottom of the cabinet frame (1); The cabinet frame (1) is internally provided with a platform support, which comprises a transverse support and a longitudinal support, the transverse support is welded to the cabinet frame (1), and the longitudinal support is directly connected with the transverse support through bolts; The equipment installation platform (8) is connected with the internal platform support of the cabinet frame (1) through bolts.

2. The avionics test cell silencer cabinet of claim 1, wherein, It further comprises: Front door (4), rear door (5), left door (6), right door (7); The front door (4) is connected with the front door frame of the cabinet frame (1) through a hinge and is fixed by using a mortise lock, the rear door (5) is connected with the rear door frame of the cabinet frame (1) through a hinge, the left door (6) is connected with the left door frame of the cabinet frame (1) through a panel lock, and the right door (7) is connected with the right door frame of the cabinet frame (1) through a panel lock.

3. The avionics test cell silencer cabinet of claim 2, wherein, The front door (4), the rear door (5), the left door (6) and the right door (7) are double-layer structures, and the inner surfaces are provided with mesh holes.

4. The avionics test cell silencer cabinet of claim 3, wherein, The front door (4), the rear door (5), the left door (6) and the right door (7) are internally pasted with sealing rubber strips, and are sealed with the door frame of the cabinet frame (1) after being closed, thereby playing a role of isolating equipment noise.

5. The avionics test cell silencer cabinet of claim 1, wherein, The exhaust module (2) and the air intake module (3) are internally provided with a heat dissipation fan (102).

6. The avionics test cell silencer cabinet of claim 5, wherein, The exhaust power of the exhaust module (2) is greater than the air intake power of the air intake module (3), so that a negative pressure is formed between the internal environment of the cabinet body and the external environment, thereby playing a role of quickly discharging heat.

7. The avionics test cell silencer cabinet of claim 5, wherein, It further comprises: Top heat dissipation fan support (101); The exhaust module (2) is a multi-layer structure, the top heat dissipation fan support (101) is arranged in the exhaust module (2), the exhaust module (2) is divided into three cavities through the top heat dissipation fan support (101), the middle cavity is an air intake cavity, and the two side cavities are sound attenuation diffusion cavities, thereby forming a sound attenuation air duct; The heat dissipation fan (102) is fixed on the top heat dissipation fan support (101).

8. The avionics test cell silencer cabinet of claim 3, wherein, Sound insulation cotton (11) is inlaid between the outer layer and the inner layer.