CN116234224A - Electronic control cabinet of space station online cabinet and online cabinet - Google Patents
Electronic control cabinet of space station online cabinet and online cabinet Download PDFInfo
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- CN116234224A CN116234224A CN202211721054.8A CN202211721054A CN116234224A CN 116234224 A CN116234224 A CN 116234224A CN 202211721054 A CN202211721054 A CN 202211721054A CN 116234224 A CN116234224 A CN 116234224A
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- 230000002349 favourable effect Effects 0.000 description 2
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
- H05K7/183—Construction of rack or frame support rails therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to an electronic control cabinet of an online cabinet of a space station and the online cabinet, wherein the electronic control cabinet comprises a cabinet body, sliding rails are arranged on the outer side surfaces of two opposite side plates of the cabinet body, a supporting frame is arranged in the cabinet body and perpendicular to the sliding rails, the supporting frame is fixed in the middle of the cabinet body, and the peripheral edges of the supporting frame are fixedly connected with the inner wall of the cabinet body through screws. The electronic control cabinet of the invention has the advantages that as various sensitive electric control elements are generally arranged in the electronic control cabinet and vibration is very strong in the ascending process, the rigidity of the whole cabinet can be increased by arranging the supporting frame in the middle of the cabinet body, vibration is prevented, the response of the electric control units near the supporting frame is not great, and the whole electronic control cabinet can reliably work after bearing the mechanical environment in the ascending process of the whole cabinet.
Description
Technical Field
The invention relates to the technical field of space station correlation, in particular to an electronic control cabinet of an online cabinet of a space station and the online cabinet.
Background
With the development of manned aerospace technology, the creation of a long-term living and working environment in outer space becomes the center of gravity of the human aerospace industry. The logistic supply of the international space station is very expensive and difficult to perform relative to any previous natural exploring activity of human beings, the logistic problem faced by building a base on moon and Mars in the future is more serious, and especially the loss caused by ground guarantee delay can not be measured for dealing with emergency events. Thus, in view of the initiative of astronauts, the ability to enhance autonomous maintenance and support of facilities is an important measure to solve logistical replenishment problems by providing personnel with a range of tools and technical support.
An online maintenance and adjustment operation cabinet (hereinafter referred to as an online cabinet) is a scientific and technical experiment platform for space station application system planning, and mainly provides a workplace for on-orbit fault diagnosis, relay level maintenance and manual or mechanical operation for space station effective load. The on-line cabinet can utilize the space environment conditions in the cabin provided by the manned space station and the on-orbit operation, maintenance and replacement capability of spacecrafts, and on-orbit maintenance and adjustment operation and experimental research are carried out based on the resource constraints of external machines, electricity, heat, information, measurement and control and the like.
An electronic control cabinet (hereinafter referred to as an electric cabinet) belongs to a core part of an electronic support of an online cabinet scientific experiment system, and is externally connected with an experiment cabinet controller through a back main cable network to realize power supply and communication; the 28V power supply and RS422 Ethernet communication are provided for each component of the operation box; the load interface part is directly interconnected with the experiment cabinet controller to realize the expansion of the resource interfaces of the experiment cabinet controller such as 28V power supply, 100V power supply, RS422, ethernet, remote measurement and remote control and the like.
Various electronic components in the electric cabinet belong to sensitive components and are sensitive to mechanical environment. And the electric cabinet only occupies one SDU space in the cabinet, so that the requirements of the application and the general installation interface are met in a limited space, and meanwhile, the configuration of the electric cabinet is designed to meet the mechanical requirements of various sensitive electronic components, and the conventional electric cabinet is difficult to meet the requirements.
Disclosure of Invention
The invention provides an electronic control cabinet of an online cabinet of a space station and the online cabinet, aiming at solving one or more of the technical problems in the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides an electronic control machine case of online cabinet is stood in space, includes the machine case body, be equipped with the slide rail on the lateral surface of two relative curb plates of machine case body, the inside of machine case body is equipped with braced frame, braced frame's perpendicular to the slide rail is arranged, braced frame fixes the middle part of machine case body, braced frame's border all around all through the screw with the inner wall fixed connection of machine case body.
The beneficial effects of the invention are as follows: the electronic control cabinet of the invention has the advantages that as various sensitive electric control elements are generally arranged in the electronic control cabinet and vibration is very strong in the ascending process, the rigidity of the whole cabinet can be increased by arranging the supporting frame in the middle of the cabinet body, vibration is prevented, the response of the electric control units near the supporting frame is not great, and the whole electronic control cabinet can reliably work after bearing the mechanical environment in the ascending process of the whole cabinet.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the peripheral edges of the supporting frames are respectively vertically abutted to the inner wall of the case body, and a plurality of threaded holes are formed in the peripheral edges of the supporting frames.
The beneficial effects of adopting the further scheme are as follows: by respectively abutting the peripheral edges of the support frame against the inner wall of the chassis body, an effective structural support can be provided for the chassis body. Through offer a plurality of screw holes on braced frame's week side border, can carry out effective connection with the machine case body and fix.
Further, the support frame comprises a plurality of cross beams and a plurality of longitudinal beams, and the cross beams and the longitudinal beams are arranged in a crossing manner to form a grid-shaped frame structure.
The beneficial effects of adopting the further scheme are as follows: through adopting the network form frame construction that is formed by connecting many crossbeams and many longerons, can make things convenient for the laying of cable, also can reach the purpose of subtracting heavy.
Further, the cross beams comprise an upper cross beam, a middle cross beam and a lower cross beam which are arranged at intervals from top to bottom, the longitudinal beams comprise a left longitudinal beam, a middle longitudinal beam and a right longitudinal beam which are arranged at intervals from left to right, two ends of the upper cross beam are respectively fixedly connected with the upper end of the left longitudinal beam and the upper end of the right longitudinal beam, two ends of the lower cross beam are respectively fixedly connected with the left longitudinal beam and the middle longitudinal beam, or the right longitudinal beam and the middle longitudinal beam, or two middle longitudinal beams, and two ends of the middle cross beam are respectively fixedly connected with any two of the left longitudinal beam, the right longitudinal beam and the middle longitudinal beam; and a gap is reserved between one end of the lower cross beam and the left longitudinal beam or the right longitudinal beam.
The beneficial effects of adopting the further scheme are as follows: through with the both ends of bottom end rail respectively with left longeron and middle longeron, or right longeron and middle longeron, or two middle longerons fixed connection, can avoid the bottom end rail to be connected with left longeron and right longeron and form bottom confined frame structure, make braced frame bottom reserve and have certain appearance interval, make things convenient for the cable to pass through, avoid friction cable to cause the cable damage. Through setting up the line interval, be favorable to the passage of cable, avoid cutting and rubbing the cable.
Further, the middle cross beam comprises a first middle cross beam and a second middle cross beam, two ends of the first middle cross beam are fixedly connected with the left longitudinal beam and the middle longitudinal beam, or the right longitudinal beam and the middle longitudinal beam, or the two middle longitudinal beams respectively, and two ends of the second middle cross beam are fixedly connected with the left longitudinal beam, the right longitudinal beam and the middle longitudinal beam respectively.
The beneficial effects of adopting the further scheme are as follows: and a part of middle cross beams completely cross all longitudinal beams, so that the structural rigidity is high, and the support structure is more stable and reliable. The other part of the middle cross beam is arranged across part of the longitudinal beam, which is beneficial to the weight reduction of the structure.
Further, a plurality of wire harness binding grooves are formed in the supporting frame.
The beneficial effects of adopting the further scheme are as follows: the wire harness binding groove is formed in the supporting frame, so that the wire harness can be bound and fixed.
Further, the limiting convex ribs of four L-shaped structures are arranged on the inner side face of the bottom plate of the case body, and the four limiting convex ribs of the four L-shaped structures surround to form an assembly groove for assembling the mechanical manual electric control unit.
The beneficial effects of adopting the further scheme are as follows: through set up the spacing protruding muscle of four L type structures on the bottom plate medial surface of machine case body, can carry out effective spacing fixed to the mechanical hand electric control unit.
Further, the spacing protruding muscle is L type structure, the corner of the spacing protruding muscle of L type structure is equipped with the arc limiting plate, the arc limiting plate is crescent integral connection and is in on the spacing protruding muscle.
The beneficial effects of adopting the further scheme are as follows: through setting up the arc limiting plate, can carry out effective spacing to the edge of mechanical hand electric control unit.
Further, the machine case body includes apron, bottom plate, curb plate, front panel and rear panel, apron, bottom plate, curb plate, front panel and rear panel pass through the tang butt joint and enclose and form cube shell structure, be equipped with the cold plate on the lateral wall of bottom plate, still be equipped with the integrated circuit board apron in the machine case body, the integrated circuit board apron with between the curb plate, the curb plate with between the bottom plate the cold plate with be equipped with heat conduction silicone grease between the bottom plate.
The beneficial effects of adopting the further scheme are as follows: the heat conduction silicone grease is coated, so that the rapid heat dissipation is facilitated.
The online cabinet comprises the electronic control cabinet, and further comprises an experiment cabinet body, wherein a sliding groove is formed in the experiment cabinet body, a taper pin wedging limiting structure is arranged at the rear end of the sliding rail, and the sliding rail is inserted into and slidingly connected with the sliding groove of the experiment cabinet body through the taper pin wedging limiting structure at the rear end; the case body is connected with the experiment cabinet body through the front panel by loosening-preventing screws.
The beneficial effects of the invention are as follows: the online cabinet provided by the invention has high structural strength and can meet the requirement of uplink strength.
Drawings
FIG. 1 is a schematic perspective view of an electronic control cabinet of an on-line cabinet of a space station according to the present invention;
FIG. 2 is a schematic diagram of the internal front view of the electronic control cabinet of the space station on-line cabinet of the present invention without the mechanical manual control unit;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 4 is a schematic diagram of the internal front view structure of the electronic control cabinet of the space station on-line cabinet of the present invention when the electronic control cabinet is assembled with the electronic control unit of the manipulator;
FIG. 5 is a schematic view of the internal perspective structure of the electronic control cabinet of the space station on-line cabinet of the present invention when the electronic control cabinet is assembled with the electronic control unit of the manipulator;
FIG. 6 is a schematic diagram of a cross-sectional configuration of an electronic control cabinet of the space station online cabinet of the present invention;
fig. 7 is a schematic diagram of a cross-sectional structure of an electronic control box of the space station online cabinet of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
200. a chassis body; 201. a slide rail; 202. the taper pin wedges the limit structure; 203. a support frame; 204. a threaded hole; 205. an upper cross beam; 206. a first intermediate beam; 207. a second intermediate beam; 208. a lower cross beam; 209. a left longitudinal beam; 210. a middle longitudinal beam; 211. a right longitudinal beam; 212. the spacing of the passing line is between the lines; 213. a wire harness binding groove; 214. limiting convex ribs; 215. a cover plate; 216. a bottom plate; 217. a side plate; 218. a front panel; 219. a rear panel; 220. a cold plate; 221. a mechanical manual control unit; 222. a board card; 223. the screw is not loosened; 224. a spigot; 225. an arc limiting plate; 226. assembling a boss; 227. and the board card cover plate.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 to 7, an electronic control cabinet for a space standing on-line cabinet of the present embodiment includes a cabinet body 200, sliding rails 201 are disposed on outer sides of two opposite side plates of the cabinet body 200, a supporting frame 203 is disposed inside the cabinet body 200, the supporting frame 203 is perpendicular to the sliding rails 201, the supporting frame 203 is fixed in the middle of the cabinet body 200, and peripheral edges of the supporting frame 203 are fixedly connected with an inner wall of the cabinet body 200 through screws.
As shown in fig. 2 and 4 to 6, the peripheral edges of the supporting frame 203 in the present embodiment are respectively vertically abutted against the inner wall of the chassis body 200, and the peripheral edges of the supporting frame 203 are provided with a plurality of screw holes 204. By respectively abutting the peripheral edges of the support frame against the inner wall of the chassis body, an effective structural support can be provided for the chassis body. Through offer a plurality of screw holes on braced frame's week side border, can carry out effective connection with the machine case body and fix.
As shown in fig. 1 and 5, corresponding bolt holes are also provided in the bottom plate 216, the side plate 217, the cover plate 215, the front panel 218, and the rear panel 219 of the chassis body 200 of the present embodiment at positions connected to the support frame 203, so that the chassis body 200 and the support frame 203 are connected by bolts.
As shown in fig. 5, the support frame 203 of the present embodiment includes a plurality of cross members and a plurality of side members, and the plurality of cross members and the plurality of side members are arranged to cross each other to form a lattice-like frame structure. Through adopting the network form frame construction that is formed by connecting many crossbeams and many longerons, can make things convenient for the laying of cable, also can reach the purpose of subtracting heavy. Because the mechanical hand electric control unit 221 is generally assembled at the middle position of the inner side of the bottom plate 216 of the chassis body 200, the frame structure adopting the embodiment can also increase the rigidity of the electric control box, ensure that the response of the position of the mechanical hand electric control unit is not large, and ensure that the electric control box can reliably work after bearing the mechanical environment in the ascending of the whole cabinet.
As shown in fig. 5, the multiple cross beams in this embodiment include an upper cross beam 205, a middle cross beam and a lower cross beam 208 that are arranged from top to bottom at intervals, the multiple cross beams include a left cross beam 209, a middle cross beam 210 and a right cross beam 211 that are arranged from left to right at intervals, two ends of the upper cross beam 205 are fixedly connected with an upper end of the left cross beam 209 and an upper end of the right cross beam 211 respectively, two ends of the lower cross beam 208 are fixedly connected with the left cross beam 209 and the middle cross beam 210, or the right cross beam 211 and the middle cross beam 210, or two middle cross beams 210, and two ends of the middle cross beam are fixedly connected with any two of the left cross beam 209, the right cross beam 211 and the middle cross beam 210 respectively. Through with the both ends of bottom end rail respectively with left longeron and middle longeron, or right longeron and middle longeron, or two middle longerons fixed connection, can avoid the bottom end rail to be connected with left longeron and right longeron and form bottom confined frame structure, make braced frame bottom reserve and have certain appearance interval, make things convenient for the cable to pass through, avoid friction cable to cause the cable damage.
As shown in fig. 5, an interval 212 is reserved between one end of the lower cross member 208 and the left or right longitudinal member 209 or 211 in the present embodiment. Through setting up the line interval, be favorable to the passage of cable, avoid cutting and rubbing the cable.
As shown in fig. 5, the middle cross member of the present embodiment includes a first middle cross member 206 and a second middle cross member 207, two ends of the first middle cross member 206 are fixedly connected with the left longitudinal member 209 and the middle longitudinal member 210, or the right longitudinal member 211 and the middle longitudinal member 210, or two middle longitudinal members 210, respectively, and two ends of the second middle cross member 207 are fixedly connected with the left longitudinal member 209, the right longitudinal member 211 and the middle longitudinal member 210, respectively. And a part of middle cross beams completely cross all longitudinal beams, so that the structural rigidity is high, and the support structure is more stable and reliable. The other part of the middle cross beam is arranged across part of the longitudinal beam, which is beneficial to the weight reduction of the structure.
As shown in fig. 5, the support frame 203 of the present embodiment is provided with a plurality of harness binding grooves 213. The wire harness binding groove is formed in the supporting frame, so that the wire harness can be bound and fixed.
As shown in fig. 5, in a preferred embodiment of the present invention, two ends of the first middle cross member 206 are connected to the left side member 209 and the middle side member 210, two ends of the lower cross member 208 are connected to the right side member 211 and the middle side member 210, respectively, and the lower cross member 208 is located below the first middle cross member 206, so that a passing line 212 is formed below the first middle cross member 206. In order to pass different cables through the pass-through line spacing 212, respectively, without interference, intermediate stringers 210 may also be provided at the locations of the pass-through line spacing 212. The middle longitudinal beam 210 of the present embodiment has two ends connected to the upper cross beam 205 and the lower cross beam 208, respectively. A wire harness tying groove 213 may be provided at a middle position of the middle side member 210.
As shown in fig. 2 and 3, four L-shaped limiting ribs 214 are disposed on the inner side of the bottom plate 216 of the chassis body 200 in this embodiment, and the four L-shaped limiting ribs 214 surround to form an assembly groove for assembling the mechanical manual control unit 221. Through set up the spacing protruding muscle of four L type structures on the bottom plate medial surface of machine case body, can carry out effective spacing fixed to the mechanical hand electric control unit.
As shown in fig. 2 and 3, the limiting rib 214 in this embodiment is of an L-shaped structure, an arc limiting plate 225 is disposed at a corner of the limiting rib 214 of the L-shaped structure, and the arc limiting plate 225 is integrally connected to the limiting rib 214 in a crescent shape. Through setting up the arc limiting plate, can carry out effective spacing to the edge of mechanical hand electric control unit.
As shown in fig. 3, in a preferred embodiment of the present embodiment, an assembling boss 226 is further disposed on an inner side surface of the bottom plate 216 of the chassis body 200 of the present embodiment, and limiting ribs 214 with L-shaped structures are disposed on upper surfaces of four corners of the assembling boss 226.
Specifically, the R point may be identified at the position of the limiting rib 214 in this embodiment, which is convenient for the astronaut to mount the electronic control unit of the manipulator in a aligned manner and prevent the astronaut from operating by mistake.
As shown in fig. 1 to 7, the chassis body 200 of the present embodiment includes a cover plate 215, a bottom plate 216, 5 side plates 217, a front panel 218 and a rear panel 219, where the cover plate 215, the bottom plate 216, the side plates 217, the front panel 218 and the rear panel 219 are abutted and surrounded by a spigot 224 to form a cube housing structure, a cold plate 220 is disposed on an outer side wall of the bottom plate 216, a board cover plate 227 is further disposed in the chassis body 200, and heat conductive silicone grease is disposed between the board cover plate 227 and the side plates 217, between the side plates 217 and the bottom plate 216, and between the cold plate 220 and the bottom plate 216. And by coating the heat-conducting silicone grease, 0 is beneficial to rapid heat dissipation. The spigot is adopted to butt-joint to form a cubic shell structure, so that the electromagnetic compatibility requirement of the electric cabinet can be ensured. The cover plate 215 can be designed to support the on-orbit frequent disassembly structure, so that the replacement operation when the mechanical manual control unit fails is convenient.
When the electronic control cabinet of this embodiment is used for replacing the mechanical hand electric control unit, firstly, the ratchet wrench is used for unscrewing the unscrewing-preventing screw on the cover plate at the top of the cabinet body, then the cover plate is removed, the electric connector 5 is removed, then the ratchet wrench and the extension bar are used for unlocking the unscrewing-preventing screw on the mechanical hand electric control unit, the old mechanical hand electric control unit is removed, the old mechanical hand electric control unit is placed in a cargo bag, then a new mechanical hand electric control unit is taken out from the cargo bag and placed in the electronic control cabinet, the new mechanical hand electric control unit is assembled on the bottom plate 216 of the cabinet body 200 by using the ratchet wrench, the extension bar and the unscrewing-preventing screw, the electric connector is installed, and then the cover plate 215 is assembled at the top of the cabinet body 200.
0 the inside of the front panel 218 of the chassis body 200 of the embodiment is equipped with a board card 222, the board card 222 can be a VPX board card, and the front panel 218 is designed to support frequent on-track disassembly of the VPX board card, so that replacement operation when the VPX board card fails is facilitated. The case body 200 of the embodiment adopts a drawer-like structure, which is convenient for the insertion and the extraction in the experiment cabinet body.
Specifically, as shown in fig. 1, the peripheral edges of the front panel 218 of the embodiment are all protruded from the main body 200 of the cabinet 5, and the inner sides of the peripheral edges of the front panel 218 are respectively provided with a loose-proof screw 223, so that the main body 200 of the cabinet is conveniently assembled on the main body of the cabinet and then is connected and fixed with the main body of the cabinet.
The electronic control cabinet of the embodiment has the advantages that as various sensitive electric control elements are generally arranged in the electronic control cabinet and vibration is generated very much in the ascending process, the rigidity of the whole cabinet can be increased by arranging the supporting frame in the middle of the cabinet body, vibration is prevented, the electric control units near the supporting frame are ensured to respond little, and the whole electronic control cabinet can reliably work after bearing the mechanical environment in the ascending process of the whole cabinet.
Example 2
The online cabinet comprises the electronic control cabinet and further comprises an experiment cabinet body, wherein a sliding groove is formed in the experiment cabinet body, a taper pin wedging limiting structure 202 is arranged at the rear end of the sliding rail 201, and the sliding rail 201 is inserted into and slidingly connected with the sliding groove of the experiment cabinet body through the taper pin wedging limiting structure 202 at the rear end; the case body 200 is connected with the experiment cabinet body through the front panel 218 by loosening-proof screws.
Specifically, the taper pin wedging limiting structure 202 at the rear end of the sliding rail 201 in this embodiment protrudes from the rear panel 219 of the chassis body 200, and the taper pin wedging limiting structure 202 is adopted to ensure that the chassis body 200 can be assembled on the experimental cabinet body smoothly.
The online cabinet of this embodiment, structural strength is high, can satisfy the ascending intensity demand.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. The utility model provides an electronic control machine case of online cabinet is standing in space, its characterized in that includes the machine case body, be equipped with the slide rail on the lateral surface of two relative curb plates of machine case body, the inside of machine case body is equipped with braced frame, braced frame's perpendicular to the slide rail is arranged, braced frame fixes the middle part of machine case body, braced frame's all around border all pass through the screw with the inner wall fixed connection of machine case body.
2. The electronic control cabinet of an online cabinet according to claim 1, wherein the peripheral edges of the supporting frames are respectively vertically abutted against the inner wall of the cabinet body, and a plurality of threaded holes are formed in the peripheral edges of the supporting frames.
3. The electronics control cabinet of an on-line cabinet of claim 1, wherein the support frame comprises a plurality of cross members and a plurality of stringers, the plurality of cross members and the plurality of stringers being arranged in a cross arrangement to form a lattice frame structure.
4. The electronic control cabinet of the space station on-line cabinet according to claim 3, wherein a plurality of cross beams comprise an upper cross beam, a middle cross beam and a lower cross beam which are arranged at intervals from top to bottom, a plurality of longitudinal beams comprise a left longitudinal beam, a middle longitudinal beam and a right longitudinal beam which are arranged at intervals from left to right, two ends of the upper cross beam are respectively fixedly connected with the upper end of the left longitudinal beam and the upper end of the right longitudinal beam, two ends of the lower cross beam are respectively fixedly connected with the left longitudinal beam and the middle longitudinal beam, or the right longitudinal beam and the middle longitudinal beam, or two middle longitudinal beams, and two ends of the middle cross beam are respectively fixedly connected with any two of the left longitudinal beam, the right longitudinal beam and the middle longitudinal beam; and a gap is reserved between one end of the lower cross beam and the left longitudinal beam or the right longitudinal beam.
5. The electronic control cabinet of the space station on-line cabinet according to claim 4, wherein the middle cross beam comprises a first middle cross beam and a second middle cross beam, two ends of the first middle cross beam are fixedly connected with the left longitudinal beam and the middle longitudinal beam, or the right longitudinal beam and the middle longitudinal beam, or the two middle longitudinal beams respectively, and two ends of the second middle cross beam are fixedly connected with the left longitudinal beam, the right longitudinal beam and the middle longitudinal beam respectively.
6. The electronics control cabinet of an on-line cabinet for a space station of claim 1, wherein the support frame is provided with a plurality of harness tie slots.
7. The electronic control cabinet of the space station on-line cabinet according to claim 1, wherein four limiting ribs of an L-shaped structure are arranged on the inner side surface of a bottom plate of the cabinet body, and the four limiting ribs of the L-shaped structure surround to form an assembly groove for assembling the mechanical manual electric control unit.
8. The electronic control cabinet of the space station online cabinet of claim 7, wherein the limiting ribs are of an L-shaped structure, arc-shaped limiting plates are arranged at corners of the limiting ribs of the L-shaped structure, and the arc-shaped limiting plates are integrally connected to the limiting ribs in a crescent shape.
9. The electronic control cabinet of the space station online cabinet according to claim 1, wherein the cabinet body comprises a cover plate, a bottom plate, side plates, a front panel and a rear panel, the cover plate, the bottom plate, the side plates, the front panel and the rear panel are surrounded to form a cube shell structure, a cold plate is arranged on the outer side wall of the bottom plate, a board card cover plate is further arranged in the cabinet body, and heat conduction silicone grease is arranged between the board card cover plate and the side plates, between the side plates and the bottom plate, and between the cold plate and the bottom plate.
10. An online cabinet which is characterized by comprising the electronic control cabinet according to any one of claims 1 to 9, and further comprising an experiment cabinet body, wherein a chute is arranged on the experiment cabinet body, a taper pin wedging limiting structure is arranged at the rear end of the sliding rail, and the sliding rail is inserted into and slidingly connected in the chute of the experiment cabinet body through the taper pin wedging limiting structure at the rear end; the case body is connected with the experiment cabinet body through the front panel by loosening-preventing screws.
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| CN202211721054.8A CN116234224B (en) | 2022-12-30 | 2022-12-30 | Electronic control cabinet of space station online cabinet and online cabinet |
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| CN116234224B CN116234224B (en) | 2023-11-03 |
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| CN116234224B (en) | 2023-11-03 |
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