CN213694609U - Electricity machine case structure - Google Patents
Electricity machine case structure Download PDFInfo
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- CN213694609U CN213694609U CN202023175086.1U CN202023175086U CN213694609U CN 213694609 U CN213694609 U CN 213694609U CN 202023175086 U CN202023175086 U CN 202023175086U CN 213694609 U CN213694609 U CN 213694609U
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- frame
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- apron
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- 230000005611 electricity Effects 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000005728 strengthening Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000007123 defense Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an electricity machine case structure, including the bottom frame of back cover, top frame apron and be located a plurality of hollow intermediate layer frames that overlap the setting between bottom frame and the top frame apron, bottom frame, intermediate layer frame and top frame apron are made by electromagnetic shielding material, and bottom frame, a plurality of intermediate layer frames and top frame apron form cavity food steamer formula frame construction, and the interior sky of intermediate layer frame is supported by the strengthening rib, provides sufficient rigidity. The bottom frame of the utility model provides space and support for the installation of large-volume components, and the middle layer frame improves the space and support for the installation of the circuit board; and the whole frames of the electrical case structure are contacted in a steamer tray type lap joint mode, and the multi-layer frames are compressed in a long bolt mode so as to ensure the electromagnetic shielding property of aerospace products.
Description
Technical Field
The utility model belongs to electricity machine case field, concretely relates to electricity machine case structure.
Background
Electronic devices are widely used in aerospace products, and are very sensitive to extreme environments in space, high-energy particle radiation, severe electromagnetic radiation, severe temperature difference environments and the like. In the process that the aerospace product is used as a load and is launched by a rocket, huge overload and violent vibration are borne, but the weight cannot be too large, and the electrical case is the first defense line of the aerospace electronic product for shielding severe environment and is also the most important defense line.
Based on the above, the avionics chassis should have good electromagnetic shielding properties, good thermal conductivity and sufficient strength with the lowest possible structural weight, while the avionics chassis meeting the above requirements are lacking in the existing products.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art, the utility model aims at providing an electricity machine case structure, it can be arranged in the space flight.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an electricity machine case structure, includes the bottom frame of back cover, top frame apron and is located a plurality of hollow intermediate layer frames that overlap the setting between bottom frame and the top frame apron, and bottom frame, intermediate layer frame and top frame apron are made by electromagnetic shield material, and bottom frame, a plurality of intermediate layer frames and top frame apron form cavity steamer formula frame construction.
Among the above-mentioned technical scheme, this electricity machine case structure's overall frame is cavity food steamer formula frame construction, has less volume and weight, and can guarantee the electromagnetic shielding nature of space products, can be used for in the space flight.
In a preferred embodiment of the present invention, the bottom frame provides space and support for the installation of the large-volume component, the middle frame provides space and support for the installation of the circuit board, and the circuit board is connected to the circuit board by the inter-board direct-insertion connector.
Among the above-mentioned technical scheme, bulky subassembly is located the bottom frame, and the circuit board is installed in intermediate layer frame, simple to operate, and adopts the board to cut straightly formula connector and connect, guarantees the electricity between circuit board and the circuit board and connects the reliability.
In a preferred embodiment of the present invention, the bottom frame has a plurality of connector mounting holes; and/or the intermediate layer frame may also have a plurality of connector mounting holes.
The plug-in mounting holes are arranged, so that the electrical products inside the electrical case structure can be quickly connected with external plug connectors.
In a preferred embodiment of the present invention, the bottom frame has a wiring groove therein; and/or a wire clamping sheet with a plurality of slits is fixedly connected in the bottom frame, and the widths of the slits are the same or different or not completely the same.
The arrangement of the wiring groove and the wire clamping sheet is beneficial to cable wiring and more attractive.
In a preferred embodiment of the present invention, the number of the wiring grooves is two, the wiring grooves are all annular convex grooves, the minimum turning radius of the two wiring grooves is the same, and the two wiring grooves are arranged side by side; and/or the slits on the card wire have two widths.
In another preferred embodiment of the present invention, the middle frame has reinforcing ribs arranged vertically and horizontally, and the reinforcing ribs are provided with mounting threaded holes.
In the technical scheme, the inner space of the middle layer frame is supported by the reinforcing ribs, so that sufficient rigidity is provided.
In another preferred embodiment of the present invention, the bottom frame, the middle frame and the top frame cover plate all have outwardly extending wide tabs for mounting the electrical chassis structure, and the bottom surface of the wide tabs can be in contact with the mounting surface for mounting the electrical chassis structure.
Among the above-mentioned technical scheme, food steamer formula frame construction adopts vertical installation, and bottom frame, intermediate level frame and top frame apron can both contact with the installation face through wide auricle, guarantee that bottom frame, intermediate level frame and top frame apron have and be close the same heat conductivility, realize good heat conductivility.
In another preferred embodiment of the present invention, the bottom frame and the middle frame, the middle frame and the middle frame, and the middle frame and the top frame cover plate are in mutual contact by means of mutual engagement.
In another preferred embodiment of the present invention, the bottom frame, the plurality of middle layer frames and the top frame cover plate of the electrical enclosure structure are penetrated by long bolts and fastened by locking nuts in threaded connection with the long bolts.
In another preferred embodiment of the present invention, a spring washer is provided between the long bolt and the lock nut. The spring gasket is used for providing a certain pretightening force, and the reliability of connection of the bottom frame, the middle layer frame and the top frame cover plate is ensured.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of an electrical chassis structure according to an embodiment of the present disclosure.
Fig. 2 is a schematic cross-sectional structural diagram of an electrical chassis structure according to an embodiment of the present application.
Fig. 3 is a schematic structural view of the bottom frame in the embodiment of the present application.
Fig. 4 is a schematic structural view of a first intermediate layer frame in the embodiment of the present application.
Fig. 5 is a schematic structural view of a second intermediate layer frame in the embodiment of the present application.
Fig. 6 is a schematic structural view of a third intermediate layer frame in the embodiment of the present application.
Fig. 7 is a schematic structural view of a top frame cover plate in the embodiment of the present application.
Reference numerals in the drawings of the specification include: the module comprises a bottom frame 10, a connector mounting hole 11, a wiring groove 12, a wire clamping piece 13, a large-volume component mounting threaded hole 14, an intermediate layer frame 20, a first intermediate layer frame 21, a second intermediate layer frame 22, a third intermediate layer frame 23, a reinforcing rib 201, a joint 202, a mounting threaded hole 203, a top frame cover plate 30, a circuit board 40, an inter-plate direct-insertion connector 50, a wide lug 60, a through hole 61, a long bolt 70 and a locking nut 80.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The utility model provides an electricity machine case structure, as shown in fig. 1 and 2 in the preferred embodiment of the utility model, it includes bottom frame 10, top frame apron 30 of back cover and is located a plurality of hollow intermediate level frame 20 that overlap setting between bottom frame 10 and the top frame apron 30, bottom frame 10, intermediate level frame 20 and top frame apron 30 are made by electromagnetic shielding material, for example by metal such as copper, aluminium, steel, preferably make by lighter aluminium, bottom frame 10, a plurality of intermediate level frame 20 and top frame apron 30 form cavity cage steamer formula frame construction. In the embodiment, three middle layer frames 20 are provided as an example, which are a first middle layer frame 21, a second middle layer frame 22 and a third middle layer frame 23 in sequence, wherein the first middle layer frame 21 is connected with the bottom frame 10, and the third middle layer frame 23 is connected with the top frame cover 30.
As shown in fig. 3, the bottom frame 10 is a box-shaped structure with an open top, the bottom frame 10 provides space and support for installation of the large-volume components, and the bottom of the bottom frame 10 is provided with a plurality of large-volume component installation threaded hole sites 14 for fastening the corresponding components by screws. Referring to fig. 4-6, the three middle layer frames 20 are all hollow frame structures, and the three middle layer frames 20 respectively provide space and support for mounting three circuit boards 40, as shown in fig. 2, the circuit boards 40 are connected with the circuit boards 40 by using inter-board direct-insertion connectors 50, so as to ensure the reliability of electrical connection between the circuit boards 40 and 40.
Specifically, as shown in fig. 3-6, the bottom frame 10 has a plurality of connector mounting holes 11; and/or the intermediate layer frame 20 may also have a plurality of connector mounting holes 11. Preferably, the connector mounting holes 11 are formed in the side walls of the short sides to adapt to the wiring space, so that the appearance is attractive. The number, shape and type of the connector mounting holes 11 on the bottom frame 10 and the middle layer frame 20 are determined according to the actual situation, and the present invention is not limited specifically.
As shown in fig. 1, 2 and 4, in the present embodiment, the bottom frame 10 and the middle layer frame 20, the middle layer frame 20 and the middle layer frame 20, and the middle layer frame 20 and the top frame cover 30 contact each other in an interlocking manner, that is, the bottom frame 10, the three layers of middle layer frames 20, and the top frame cover 30 contact each other in a overlapping manner. Four corners of the bottom frame 10, the middle layer frame 20 and the top frame cover plate 30 are penetrated by long bolts 70 and fastened with lock nuts 80 threadedly coupled with the long bolts 70 so that the bottom frame 10, the three middle layer frames 20 and the top frame cover plate 30 are integrally compressed and contact-coupled. Preferably, a spring washer (not shown) is provided between the long bolt 70 and the lock nut 80.
In another preferred embodiment, as shown in fig. 3, the bottom inside the bottom frame 10 has cabling channels 12, the number of cabling channels 12 shown in fig. 3 is two, and the two cabling channels 12 can be used for cable routing at different positions, respectively. The two wiring grooves 12 are annular convex grooves formed by protruding structures, the minimum turning radii of the two wiring grooves 12 are the same, and the two wiring grooves 12 are formed side by side to be suitable for cable wiring with different wire lengths.
As shown in fig. 3, in another preferred embodiment, a wire clamping sheet 13 having a plurality of slits is further fixed to the bottom inside the bottom frame 10, the slits are cable clamping grooves, preferably, the wire clamping sheet 13 is disposed near the connector mounting hole 11 on the side, the widths of the slits on the wire clamping sheet 13 are all the same or all different or not all the same, preferably, the slits have two widths, and are suitable for fixing different types of cables with different diameters.
As shown in fig. 4 to 6, in another preferred embodiment, the hollow interiors of the three middle layer frames 20 are provided with reinforcing ribs 201 arranged vertically and horizontally to improve the strength of the single middle layer frame 20, and in this embodiment, the positions of the reinforcing ribs 201 of the three middle layer frames 20 are the same or different, preferably the same. The reinforcing rib 201 is provided with a plurality of nodes 202, the nodes 202 are provided with mounting threaded holes 203, and fastening screws penetrate through the circuit board 40 and are in threaded connection with the mounting threaded holes 203, so that the circuit board 40 is fixedly mounted on the middle layer frame 20.
In another preferred embodiment, as shown in fig. 2-7, the long sides of the bottom frame 10, the middle layer frame 20 and the top frame cover 30 are provided with wide tabs 60 extending outwards for mounting the electrical enclosure structure, as shown in fig. 2, the wide tabs 60 are arranged around the outer ring of the electrical enclosure structure completely, the bottom surfaces of the wide tabs 60 can be contacted with the mounting surface for mounting the electrical enclosure structure, and fastening screws pass through holes 61 on the wide tabs 60 to mount the electrical enclosure structure on the mounting surface.
The utility model discloses an adopt the lapped mode contact of cage steamer tray formula between the whole frame of electricity machine case, adopt the form of stay bolt to carry out compressing tightly between the multilayer frame to guarantee the electromagnetic shielding nature of space product, cage steamer tray frame adopts vertical installation, and each layer of frame all contacts with installation face, guarantees that each layer of frame has and is close the same heat conductivility.
In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides an electricity machine case structure, its characterized in that, includes the bottom frame of back cover, top frame apron and is located a plurality of hollow intermediate layer frames that overlap the setting between bottom frame and the top frame apron, bottom frame, intermediate layer frame and top frame apron are made by electromagnetic shield material, bottom frame, a plurality of intermediate layer frames and top frame apron form cavity food steamer formula frame construction.
2. The electrical chassis structure of claim 1, wherein the bottom frame provides space and support for installation of bulky components, the middle frame provides space and support for installation of circuit boards, and the circuit boards are connected to each other by inter-board in-line connectors.
3. The electrical chassis structure of claim 1, wherein the bottom frame has a plurality of connector mounting holes;
and/or the middle layer frame is also provided with a plurality of connector assembly mounting holes.
4. The electrical enclosure structure of claim 1, wherein the bottom frame has a wiring channel therein;
and/or the bottom frame is also fixedly connected with a wire clamping sheet with a plurality of slits, and the widths of the slits are the same or different or not completely the same.
5. The electrical cabinet structure according to claim 4, wherein the number of the wiring grooves is two, the wiring grooves are all annular convex grooves, the minimum turning radii of the two wiring grooves are the same, and the two wiring grooves are arranged side by side;
and/or the slit on the card line piece has two widths.
6. The electrical enclosure structure of claim 1, wherein the middle frame has reinforcing ribs arranged in a longitudinal and transverse direction, and the reinforcing ribs have mounting threaded holes.
7. The electrical enclosure structure of claim 1, wherein the bottom frame, the middle frame, and the top frame cover each have an outwardly extending wide tab for mounting the electrical enclosure structure, and wherein the bottom surface of the wide tab is capable of contacting a mounting surface on which the electrical enclosure structure is mounted.
8. The electrical enclosure structure of any of claims 1-7, wherein the bottom frame and the middle frame, the middle frame and the middle frame, and the middle frame and the top frame cover plate are in engagement with each other.
9. The electrical chassis structure of any of claims 1-7, wherein the bottom frame, the plurality of middle layer frames, and the top frame cover plate of the electrical chassis structure are penetrated by long bolts and fastened with lock nuts in threaded connection with the long bolts.
10. The electrical enclosure structure of claim 9, wherein a spring washer is disposed between the long bolt and the lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023175086.1U CN213694609U (en) | 2020-12-25 | 2020-12-25 | Electricity machine case structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023175086.1U CN213694609U (en) | 2020-12-25 | 2020-12-25 | Electricity machine case structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213694609U true CN213694609U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023175086.1U Active CN213694609U (en) | 2020-12-25 | 2020-12-25 | Electricity machine case structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN213694609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116234224A (en) * | 2022-12-30 | 2023-06-06 | 中国科学院空间应用工程与技术中心 | Electronic control cabinet of space station online cabinet and online cabinet |
-
2020
- 2020-12-25 CN CN202023175086.1U patent/CN213694609U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116234224A (en) * | 2022-12-30 | 2023-06-06 | 中国科学院空间应用工程与技术中心 | Electronic control cabinet of space station online cabinet and online cabinet |
| CN116234224B (en) * | 2022-12-30 | 2023-11-03 | 中国科学院空间应用工程与技术中心 | Electronic control cabinet of space station online cabinet and online cabinet |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 401123 39-1, Building 1, No. 64, Middle Huangshan Avenue, Yubei District, Chongqing Patentee after: China Star Network Application Co.,Ltd. Address before: 618 Liangjiang Avenue, Longxing Town, Yubei District, Chongqing Patentee before: Dongfanghong Satellite Mobile Communication Co.,Ltd. |
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| CP03 | Change of name, title or address |