CN216410696U

CN216410696U - ARINC600 equipment temperature test air duct tool assembly

Info

Publication number: CN216410696U
Application number: CN202123092273.8U
Authority: CN
Inventors: 侯小军; 鄢勇; 刘飞; 刘浩; 陈飞翔
Original assignee: CETC Avionics Co Ltd
Current assignee: CETC Avionics Co Ltd
Priority date: 2021-10-14
Filing date: 2021-12-09
Publication date: 2022-04-29
Anticipated expiration: 2031-12-09
Also published as: CN113834679A

Abstract

The utility model discloses an ARINC600 equipment temperature test air duct tool assembly, which comprises an air duct; the air duct is of a top opening structure; a plurality of threaded holes are respectively formed in two opposite sides of the top of the air duct, and the distance between the threaded holes correspondingly formed in the two sides is consistent with the distance between the ARINC600 equipment bracket mounting holes; the wind channel passes through the assembly of screw hole and the apron of different quantity to reserve the region that can assemble not unidimensional equipment bracket, can realize sending into not unidimensional equipment with the cooling air. The utility model adopts an assembly structure of the air duct and the cover plates with different numbers, and the cover plates with different numbers are assembled for the equipment with different sizes, so that the compatibility of the air duct tool for the equipment with different sizes is realized, and the test cost is reduced.

Description

ARINC600 equipment temperature test air duct tool assembly

Technical Field

The utility model belongs to the technical field of temperature test equipment of airborne avionic equipment, and particularly relates to an ARINC600 equipment temperature test air duct tool assembly.

Background

The temperature is one of the key environmental factors of the electronic equipment, and has important influence on the working performance, the service life and the like of the equipment. As an airborne AVIONICS standard, ARINC600(AIR TRANSPORT AVIONICS EQUIPMENT interface) elaborates the temperature environment test conditions of AVIONICS EQUIPMENT meeting the standard in detail. The temperature environment test mainly comprises two categories of natural heat dissipation equipment and air-cooled heat dissipation equipment, the test environment of the natural heat dissipation equipment is simple, and the test can be completed in a conventional incubator. In contrast, the temperature environment test of the air cooling heat dissipation test equipment needs a set of adjustable, controllable and measurable air cooling system. However, there is no efficient and uniform solution for the switching tool of the cooling air feeding device in the prior art document, and the switching tool which is assembled once is mostly adopted to realize the air feeding to the device, and this switching mode mainly has the following three disadvantages: 1. due to one-time assembly, air supply to equipment with different sizes cannot be realized, and the test cost of different equipment is increased. 2. The common switching frock is great in weight and size and inconvenient to remove. 3. Common switching frock assembly is complicated, and the cost of labor is higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the conventional switching tool for cooling air feeding equipment cannot supply air to equipment with different dimensions, the utility model provides an ARINC600 equipment temperature test air duct tool assembly.

The utility model is realized by the following technical scheme:

an ARINC600 equipment temperature test air duct tool assembly comprises an air duct;

the air duct is of a top opening structure;

a plurality of threaded holes are respectively formed in two opposite sides of the top of the air duct, and the distance between the threaded holes correspondingly formed in the two sides is consistent with the distance between the ARINC600 equipment bracket mounting holes;

the wind channel passes through the assembly of screw hole and the apron of different quantity to reserve the region that can assemble not unidimensional equipment bracket, can realize sending into not unidimensional equipment with the cooling air.

Preferably, the side part of the air duct is provided with a cooling air input interface.

Preferably, the bottom of the air duct of the present invention is configured to be a weight-reduction structure, and specifically, the bottom of the air duct may be at least partially thinned.

Preferably, one side of the bottom of the air duct of the present invention, which is close to the cooling air input interface, is provided with an inclined structure.

Preferably, the air duct of the utility model is made of aluminum alloy material.

Preferably, the cover plate of the present invention comprises a base plate;

a plurality of waist-shaped holes are respectively formed in two opposite sides of the substrate;

the distance between the corresponding waist-shaped holes at the two sides is consistent with the distance between the corresponding threaded holes at the two sides of the top of the air duct;

the cover plate can be assembled to the top of the air duct through the waist-shaped hole and the threaded hole in the top of the air duct.

Preferably, the two opposite sides of the substrate of the utility model are respectively provided with 4 waist-shaped holes.

Preferably, after the air duct is assembled with different numbers of cover plates, the silicone sealant is coated on all seams.

Preferably, the tool assembly is used for temperature test of 4MCU size equipment, and the tool assembly adopts 2 cover plates.

Preferably, the tool assembly is used for temperature test of 2MCU size equipment, and the tool assembly adopts 3 cover plates.

The utility model has the following advantages and beneficial effects:

1. the air duct assembly tool can be suitable for equipment with different dimensions, improves compatibility and reduces test cost.

2. According to the utility model, the weight of the whole air duct assembly tool is reduced by arranging the lightening holes and adopting the aluminum alloy with lower density as the air duct material, the size of the tool is reduced to the maximum extent, and the convenience of tool carrying is improved.

3. The tool is simple in structure, small in assembly workload and capable of reducing test cost.

4. The tool assembly structure has good air tightness, and can effectively ensure the accuracy of air quantity entering equipment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

fig. 1 is a schematic view of the air duct structure of the present invention.

FIG. 2 is a bottom view of the tooling air duct shown in FIG. 1.

Fig. 3 is a schematic view of the cover plate structure of the present invention.

FIG. 4 is a schematic structural diagram of the assembled 4MCU size and specification equipment temperature test air duct tool assembly.

FIG. 5 is a schematic structural diagram of a 4MCU dimensional specification equipment temperature test air duct tool assembly after assembly (with an equipment bracket).

FIG. 6 is a schematic structural diagram of the assembled temperature test air duct tool assembly of the 2MCU size and specification equipment.

Reference numbers and corresponding part names in the drawings:

1-air channel, 11-bottom, 12-side, 13-top, 14-input interface, 15-threaded hole, 16-inner groove structure, 17-inclined structure, 2-cover plate, 21-base plate, 22-waist-shaped hole, 3-equipment bracket and 4-air outlet area.

Detailed Description

Hereinafter, the terms "includes" or "may include" used in various embodiments of the present invention indicate the presence of functions, operations, or elements of the utility model, and do not limit the addition of one or more functions, operations, or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to mean that the specified features, numbers, steps, operations, elements, components, or combinations of the foregoing, are only meant to indicate that a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be construed as first excluding the existence of, or adding to the possibility of, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.

In various embodiments of the utility model, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B, or may include both a and B.

Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.

It should be noted that: if it is described that one constituent element is "connected" to another constituent element, the first constituent element may be directly connected to the second constituent element, and a third constituent element may be "connected" between the first constituent element and the second constituent element. In contrast, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.

The terminology used in the various embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the utility model. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

The embodiment provides an ARINC600 equipment temperature test air duct tool assembly, and the compatibility of equipment with different sizes is realized by adopting a structure that an air duct is assembled with cover plates with different numbers.

The tooling assembly of this embodiment includes wind channel 1, and this wind channel 1 is open-topped structure.

As shown in fig. 1, a plurality of threaded holes 15 are respectively arranged on two opposite sides of a top 13 of the air duct 1, the distance between the threaded holes on the two sides is consistent with the distance between the installing holes of the ARINC600 equipment bracket, and the threaded holes 15 arranged on each side are uniformly arranged.

The air duct 1 can be assembled with cover plates 2 of different numbers through a plurality of threaded holes 15 on two sides of the top 13 to form a switching tool for sending cooling air into equipment of different sizes.

The side 12 of the air duct 1 is opened with a cooling air input interface 14, and the input interface 14 may be a circular hole with a larger diameter. Through the input port 14, the cooling air can be sent into the air duct 1 and then sent into the equipment through the air duct 1.

The bottom 11 of the air duct 1 is provided with a weight-reducing structure, which can be realized by wholly or partially thinning (or digging) the bottom 11 of the air duct 1, as shown in fig. 2, the bottom 11 of the air duct 1 is thinned, that is, the bottom 11 is provided with an inner groove structure 16.

In addition, in order to facilitate the guiding of the cooling air and ensure the air intake, the bottom 11 of the air duct 1 is provided with an inclined structure 17 at a side close to the input interface 14.

In order to further reduce the weight of the tool assembly, aluminum alloy with lower density can be used as the material of the air duct 1.

As shown in fig. 3, the cover plate 2 of the present embodiment has a plate-shaped structure, and includes a base plate 21 and a plurality of waist-shaped holes 22 disposed on two opposite sides of the base plate 21, and the distance between the corresponding waist-shaped holes 22 on the two sides is the same as the distance between the corresponding threaded holes 15 on the two sides of the top of the air duct 1; the cover plate 2 is assembled to the top of the air duct 1 by a plurality of waist-shaped holes 22 being assembled with the threaded holes 15 at the top of the air duct 1. The slotted holes are used to reduce tolerance sensitivity during assembly.

The cover plate 2 of the present embodiment is provided with 8 waist-shaped holes in total, and 4 holes are uniformly provided on each side.

In the embodiment, all seams are coated with the organic silicon sealant after the air duct 1 and the cover plate 2 are assembled, so that the air tightness of the air duct tool assembly is improved, and the accuracy of the air quantity sent into the equipment is ensured.

After the air duct tool assembly is assembled, the equipment bracket 3 and the air duct 1 are assembled, and then the equipment is installed into the equipment bracket 3, so that a test can be performed.

The working principle of the air duct tool assembly of the embodiment is as follows:

this embodiment adopts an open-top's wind channel structure, according to equipment size of a dimension, at the apron of the corresponding quantity of wind channel top assembly to the air outlet region of reserving out at the top can assemble the equipment bracket of this equipment, to the temperature test of not unidimensional equipment, only need change the quantity of assembling apron 2 and install the equipment bracket with reserving out suitable region (being air outlet region), can realize the compatibility to not unidimensional equipment.

Example 2

In this embodiment, the tooling assembly of the air duct tooling assembly proposed in embodiment 1 is used for a temperature test of a 4mcu (modular Concept unit) dimensional device, as shown in fig. 4-5.

In the embodiment, 2 cover plates 2 are adopted, the 2 cover plates 2 are assembled at the top of the air duct 1, and then organic silicon sealant is coated at all seams to finish the assembly of the air duct tool assembly; and then, assembling a device bracket 3 on the air outlet area 4 reserved on the top 1, and then installing the device into the bracket 3.

Example 3

In this embodiment, the tooling assembly of the air duct tooling assembly proposed in embodiment 1 is used for a temperature test of a 2mcu (modular Concept unit) dimensional device, as shown in fig. 6.

This embodiment has adopted 3 apron 2, with 3 apron 3 assemblies at the top in wind channel 1, and reserve the equipment bracket 3 that air outlet region 4 is used for installing 2MCU size and specification equipment at the top in wind channel 1 can.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An ARINC600 equipment temperature test air duct tool assembly is characterized by comprising an air duct (1);

the air duct (1) is of a top opening structure;

a plurality of threaded holes (15) are respectively formed in two opposite sides of the top (13) of the air duct (1), and the distance between the threaded holes correspondingly formed in the two sides is consistent with the distance between ARINC600 equipment bracket mounting holes;

the air duct (1) is assembled with the cover plates (2) in different quantities through the threaded holes (15) to reserve areas capable of assembling equipment brackets (3) in different sizes, and therefore cooling air can be sent into the equipment in different sizes.

2. The ARINC600 equipment temperature test air duct tool assembly according to claim 1, characterized in that a cooling air input interface (14) is arranged on the side portion (12) of the air duct (1).

3. The ARINC600 equipment temperature test air duct tooling assembly according to claim 1, characterized in that the bottom (11) of the air duct (1) is provided with a weight reduction structure, which is realized by at least partially thinning the bottom (11) of the air duct (1).

4. The ARINC600 equipment temperature test air duct tool assembly according to claim 2, characterized in that one side of the bottom (11) of the air duct (1) close to the cooling air input interface (14) is provided with an inclined structure.

5. The ARINC600 equipment temperature test air duct tool assembly according to claim 1, wherein the air duct (1) is made of an aluminum alloy material.

6. The ARINC600 equipment temperature test air duct tooling assembly of claim 1, wherein the cover plate (2) comprises a base plate (21);

a plurality of waist-shaped holes (22) are respectively arranged on two opposite sides of the base plate (21);

the distance between the corresponding waist-shaped holes at the two sides is consistent with the distance between the corresponding threaded holes (15) at the two sides of the top of the air duct (1);

can assemble apron (2) to wind channel (1) top through slotted hole (22) and screw hole (15) at wind channel (1) top.

7. The ARINC600 equipment temperature test air duct tooling assembly of claim 6, wherein 4 kidney-shaped holes are respectively arranged on two opposite sides of the base plate (21).

8. The ARINC600 equipment temperature test air duct tool assembly according to any one of claims 1-7, characterized in that after the air duct (1) is assembled with different numbers of cover plates (2), silicone sealant is coated on all seams.

9. The ARINC600 equipment temperature test air duct tool assembly according to any one of claims 1-7, wherein the tool assembly is used for temperature test of 4MCU size equipment, and the tool assembly adopts 2 cover plates (2).

10. The ARINC600 equipment temperature test air duct tool assembly according to any one of claims 1-7, wherein the tool assembly is used for temperature test of 2MCU size equipment, and the tool assembly adopts 3 cover plates (2).