CN112034291B - Case and system for EMC test - Google Patents
Case and system for EMC test Download PDFInfo
- Publication number
- CN112034291B CN112034291B CN202010955031.8A CN202010955031A CN112034291B CN 112034291 B CN112034291 B CN 112034291B CN 202010955031 A CN202010955031 A CN 202010955031A CN 112034291 B CN112034291 B CN 112034291B
- Authority
- CN
- China
- Prior art keywords
- plate
- tongue
- flat
- groove
- adapter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 210000002105 tongue Anatomy 0.000 claims description 122
- 238000003780 insertion Methods 0.000 claims description 99
- 230000037431 insertion Effects 0.000 claims description 99
- 238000012546 transfer Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 11
- 230000013011 mating Effects 0.000 claims 5
- 239000011324 bead Substances 0.000 claims 1
- 238000013461 design Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a case for an EMC test, which comprises a flat plate with an inserting tongue and an inserting groove, a first adapter plate with an inserting tongue and an inserting groove, a second adapter plate with an inserting tongue and an inserting groove, a first bottom plate with an inserting tongue and an inserting groove, a second bottom plate with an inserting tongue and an inserting groove and a plurality of side plates. The invention also discloses a system. According to the scheme provided by the invention, a closed barrel-shaped case can be formed by the flat plate, the first adapter plate, the second adapter plate, the first bottom plate, the second bottom plate and the plurality of side plates, and the electromagnetic compatibility comparison test of corresponding parts is carried out.
Description
Technical Field
The invention relates to the field of EMC testing, in particular to a case and a system for EMC testing.
Background
The EMC (electromagnetic compatibility) design is to improve reliability of a product by improving anti-electromagnetic interference capability of the product and reducing electromagnetic interference to the outside, and avoiding a product failure due to interference. Electromagnetic compatibility designs generally require design from the standpoint of suppressing interference sources, cutting interference propagation paths, and the like. With the continuous development of network technology and high-speed digital circuit chip technology, the application of servers is more and more extensive, the data transmission speed is more and more high, and the problem of electromagnetic compatibility of the servers is a problem which needs to be solved urgently at present.
At present, electromagnetic compatibility (EMC) becomes an indispensable important link in the research and development and production processes of electronic equipment, and currently, in the whole research and development process, EMC testing is whole system testing and does not participate in board level testing at an earlier stage, but for EMC test rectification, the closer to the front end development, the better the rectification effect is, and the lower the rectification cost is. Therefore, the current EMC test is low in early-stage participation degree, so that the later-stage rectification is complex and the cost is high.
The EMC test at present is a system level test, and the EMC test can be assembled and tested only after all materials such as chassis, board cards and the like are completely sleeved, but the general chassis has a long proofing period, the EMC test cannot participate in the board card level test stage, and the board card level problem is more early participated in the EMC test, the improvement is simple, and the cost is lower.
Disclosure of Invention
In view of the above, in order to overcome at least one aspect of the above problems, an embodiment of the present invention provides a chassis for EMC testing, including a flat plate having a tongue and a groove, a first adaptor plate having a tongue and a groove, a second adaptor plate having a tongue and a groove, a first bottom plate having a tongue and a groove, a second bottom plate having a tongue and a groove, and a plurality of side plates;
the flat plates are connected with each other through the inserting tongues and the inserting grooves of the flat plates to form a top plate of the case, one end of the top plate is the inserting tongue of the flat plate, and the other end of the top plate is the inserting groove of the flat plate;
the insertion groove of the first adapter plate is connected with the insertion tongue at one end of the top plate so that the first adapter plate forms a left side plate of the case, and the insertion tongue of the second adapter plate is connected with the insertion groove at the other end of the top plate so that the second adapter plate forms a right side plate of the case;
the inserting groove of the first bottom plate is connected with the inserting tongue of the first adapter plate, the inserting tongue of the first bottom plate is connected with the inserting groove of the second bottom plate, and the inserting tongue of the second bottom plate is connected with the inserting groove of the second adapter plate, so that the first bottom plate and the second bottom plate form a bottom side plate of the case;
the inner surfaces of the top plate, the left side plate, the right side plate and the bottom side plate are provided with mutually matched clamping grooves for fixing the side plates, so that the side plates form the front side and the rear side of the case.
In some embodiments, several of the side panels are provided with ports of various types to allow a board to be tested to be connected to the front side or the back side through the ports.
In some embodiments, the left side panel and the right side panel further comprise a plurality of flat panels of the same number;
the flat plates of the left side plate and the right side plate are mutually connected through the inserting tongues and the inserting grooves of the flat plates to form a side surface extending plate of the case, one end of the side surface extending plate is the inserting tongue of the flat plate, and the other end of the side surface extending plate is the inserting groove of the flat plate;
the plug tongue of the flat plate at one end of the side extension plate is connected with the plug groove of the first base plate or the plug groove of the second adapter plate;
the insertion groove of the flat plate at the other end of the side extension plate is connected with the insertion tongue of the first adapter plate or the insertion tongue of the second bottom plate.
In some embodiments, the bottom side plate further comprises a plurality of flat plates;
the flat plates of the bottom side plate are mutually connected through the inserting tongues and the inserting grooves of the flat plates to form a bottom surface extending plate of the case, one end of the bottom surface extending plate is the inserting tongue of the flat plate, and the other end of the bottom surface extending plate is the inserting groove of the flat plate;
the flat insertion tongue at one end of the bottom surface extension plate is connected with the insertion groove of the second bottom plate, and the flat insertion groove at the other end of the bottom surface extension plate is connected with the insertion tongue of the first bottom plate.
In some embodiments, the insertion tongue of the flat plate is arranged on the outer side of one end of the flat plate, the insertion groove of the flat plate is arranged on the outer side of the other end of the flat plate, and the insertion tongue and the insertion groove of the flat plate are parallel to the flat plate.
In some embodiments, the insertion tongue of the first transfer plate is disposed outside one end of the first transfer plate, and the insertion groove of the first transfer plate is disposed inside the other end of the first transfer plate; the inserting tongue of the first transfer plate is parallel to the first transfer plate, and the inserting groove of the first transfer plate is perpendicular to the first transfer plate;
the inserting tongue of the first bottom plate is arranged on the outer side of one end of the first bottom plate, and the inserting groove of the first bottom plate is arranged on the inner side of the other end of the first bottom plate; the inserting tongue of the first base plate is parallel to the first base plate, and the inserting groove of the first base plate is vertical to the first base plate.
In some embodiments, the plug tongue of the second adapter plate is arranged at the inner side of one end of the second adapter plate, and the plug groove of the second adapter plate is arranged at the outer side of the other end of the second adapter plate; the plug tongue of the second adapter plate is perpendicular to the second adapter plate, and the plug groove of the second adapter plate is parallel to the second adapter plate;
the inserting tongue of the second bottom plate is arranged on the inner side of one end of the second bottom plate, and the inserting groove of the second bottom plate is arranged on the outer side of the other end of the second bottom plate; the inserting tongue of the second bottom plate is perpendicular to the second bottom plate, and the inserting groove of the second bottom plate is parallel to the second bottom plate.
In some embodiments, the insertion grooves of the flat plate, the first adapter plate, the second adapter plate, the first base plate and the second base plate each include a pressing bar having a trapezoidal cross section;
the bottom of the pressing strip is connected with the flat plate, the first adapter plate, the second adapter plate, the first bottom plate or the main body of the second bottom plate.
In some embodiments, the positioning block is positioned outside the insertion groove of the flat plate, the insertion groove of the first adapter plate, the insertion groove of the second adapter plate, the insertion groove of the first base plate or the insertion groove of the second base plate;
the positioning block is internally provided with a screw hole which is matched with the locking bolt in a structure, so that the inner end face of the locking bolt is abutted against the outer side wall of the pressing strip.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a system for EMC testing, which is characterized by comprising the chassis for EMC testing as described in the above embodiments.
The invention has one of the following beneficial technical effects: the scheme provided by the invention can form a closed barrel-shaped case through the flat plate, the first adapter plate, the second adapter plate, the first bottom plate, the second bottom plate and the plurality of side plates, and carry out an electromagnetic compatibility comparison test on corresponding parts.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a chassis for EMC testing according to an embodiment of the present invention;
FIG. 2 is a cross-sectional schematic view of a case for EMC testing provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first adapter plate according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a first base plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a system for EMC testing according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
It should be noted that, in the embodiment of the present invention, the inside refers to a side close to the cavity of the chassis, and the outside refers to a side away from the cavity of the chassis.
According to an aspect of the present invention, an embodiment of the present invention proposes a chassis for EMC testing, as shown in fig. 1 to 4, which may include a flat plate 1 having a tongue 101 and a socket 102, a first adaptor plate 2 having a tongue 201 and a socket 202, a second adaptor plate 4 having a tongue 401 and a socket 402, a first bottom plate 3 having a tongue 301 and a socket 302, a second bottom plate 6 having a tongue 601 and a socket 602, and a plurality of side plates 5(501, 502, 503, 504);
the flat plates 1 are connected with each other through the inserting tongues 101 and the inserting grooves 102 of the flat plates 1 to form a top plate of the case, one end of the top plate is the inserting tongue 101 of the flat plate 1, and the other end of the top plate is the inserting groove 102 of the flat plate 1;
the plug slot 202 of the first adapter plate 2 is connected with the plug tongue 101 at one end of the top plate so that the first adapter plate 2 forms the left side plate of the case, and the plug tongue 401 of the second adapter plate 4 is connected with the plug slot 102 at the other end of the top plate so that the second adapter plate 4 forms the right side plate of the case;
the inserting groove 302 of the first bottom plate 3 is connected with the inserting tongue 201 of the first adapter plate 2, the inserting tongue 301 of the first bottom plate 3 is connected with the inserting groove 202 of the second bottom plate, and the inserting tongue 601 of the second bottom plate 6 is connected with the inserting groove 402 of the second adapter plate 4, so that the first bottom plate 3 and the second bottom plate 6 form a bottom side plate of the case;
the inner surfaces of the top plate, the left side plate, the right side plate and the bottom side plate are provided with mutually matched clamping grooves 7a (7b) to fix the side plates 5(501, 502, 503 and 504) so that the side plates (501, 502, 503 and 504) form the front side and the rear side of the case.
The scheme provided by the invention can form a closed barrel-shaped case through the flat plate 1, the first adapter plate 2, the second adapter plate 4, the first bottom plate 3, the second bottom plate 6 and the plurality of side plates 5, and carry out an electromagnetic compatibility comparison test on corresponding parts.
In some embodiments, several of the side panels 5(501, 502, 503, 504) are provided with ports of various types to allow a card to be tested to be connected to the front side or the rear side through the ports.
Specifically, the port may include one or more external ports such as a vent, a USB interface, a VGA interface, a network port, and a power interface. For example, as shown in fig. 1, a splicing side plate 501 with a vent hole, a splicing side plate 502 with a USB interface, and a splicing side plate 503 with a VGA interface, the side plate 5 and the side plate 504 are common surfaces. According to the different cardboard, adopt different interface style or board-like, the panel can 504 exist as the panel of adjusting its width, can select suitable size to adjust according to the size of quick-witted case, and of course in the practical application, should be that every side plate of general size can correspond with corresponding bottom plate, flat board.
In some embodiments, the left and right side panels further comprise a plurality of flat panels 1 of the same number;
the flat plates 1 of the left side plate and the right side plate are connected with each other through the inserting tongues 101 and the inserting grooves 102 of the flat plates to form a side surface extending plate of the case, one end of the side surface extending plate is the inserting tongue 101 of the flat plate, and the other end of the side surface extending plate is the inserting groove 102 of the flat plate;
the inserting tongue 101 of the flat plate at one end of the side extension plate is connected with the inserting groove 302 of the first base plate 3 or connected with the inserting groove 402 of the second adapter plate 4;
the insertion groove 102 of the flat plate 1 at the other end of the lateral extension plate is connected with the insertion tongue 201 of the first adapter plate 2 or the insertion tongue 601 of the second base plate 6.
Specifically, the first adapter plate 2 serves as a left side plate, the insertion groove 202 of the first adapter plate is used for being connected with the corresponding insertion tongue 101 on the outermost side of the top plate, the insertion tongue 201 of the first adapter plate 2 can be directly connected with the insertion groove 302 of the first bottom plate 3 serving as a bottom side plate, or can be continuously connected with the insertion groove 102 of the flat plate 1 to increase the height of the side plate, and after the proper height is added, the insertion tongue 101 of the flat plate 1 located below is inserted into the insertion groove 302 of the first bottom plate 3 serving as a bottom side plate. Similarly, the second adapter plate 4 is used as the right side plate, and the plugging slot 402 thereof is used for connecting with the corresponding plugging slot 102 at the extreme edge of the top plate, the plugging slot 402 of the second adapter plate 4 can be directly connected with the plugging tongue 601 of the second bottom plate 6 as the bottom side plate, and can also be continuously connected with the plugging tongue 101 of the flat plate 1, so as to increase the height of the side plate, and after adding the proper height, the plugging slot 102 of the flat plate 1 positioned below is inserted into the plugging tongue 601 of the second bottom plate 6 as the bottom side plate. Wherein, the number of the flat plates 1 constituting the side extension plate can be selected according to actual requirements.
In some embodiments, the bottom side plate further comprises a plurality of flat plates 1;
the flat plates 1 of the bottom side plate are connected with each other through the inserting tongues 101 and the inserting grooves 102 of the flat plates 1 to form a bottom surface extending plate of the case, one end of the bottom surface extending plate is the inserting tongue 101 of the flat plate, and the other end of the bottom surface extending plate is the inserting groove 102 of the flat plate;
the flat insertion tongue 101 at one end of the bottom extension plate is connected with the insertion groove 602 of the second bottom plate 6, and the flat insertion groove 102 at the other end of the bottom extension plate is connected with the insertion tongue 301 of the first bottom plate 3.
Specifically, the tongue 301 of the first base plate 3 can be connected with the insertion groove 102 of the flat plate 1 with a suitable size, or directly connected with the insertion groove 602 of the second base plate 6, and the tongue 601 of the second base plate 6 is connected with the insertion groove 402 of the second adapter plate 4 as the right side surface, or connected with the insertion groove 101 of the flat plate 1 with an increased height.
In some embodiments, the tongue 101 of the plate 1 is disposed outside one end of the plate 1, the slot 102 of the plate 1 is disposed outside the other end of the plate 1, and both the tongue 101 and the slot 102 of the plate 1 are parallel to the plate 1.
Specifically, as shown in fig. 1 and 2, one side of the flat plate 1 is provided with a tongue 101, one side opposite to the tongue 101 is provided with a tongue 102, the tongue 101 of the flat plate 1 is located outside the flat plate 1 and is parallel to the flat plate 1, and an opening direction of the tongue 102 is parallel to the flat plate 101. Namely, the tongue 101 of the flat plate 1 is bent outward, and the flat insertion groove 102 of the flat plate 1 is located outside the flat plate 1. The plurality of flat plates 1 can form a top plate of a case with a proper size, and when two adjacent flat plates 1 are connected, the inserting tongue 101 of one flat plate 1 is only required to be inserted into the inserting groove 102 of the adjacent flat plate.
In some embodiments, the insertion tongue of the first transfer plate is disposed outside one end of the first transfer plate, and the insertion groove of the first transfer plate is disposed inside the other end of the first transfer plate; the inserting tongue of the first transfer plate is parallel to the first transfer plate, and the inserting groove of the first transfer plate is perpendicular to the first transfer plate;
the inserting tongue of the first bottom plate is arranged on the outer side of one end of the first bottom plate, and the inserting groove of the first bottom plate is arranged on the inner side of the other end of the first bottom plate; the inserting tongue of the first base plate is parallel to the first base plate, and the inserting groove of the first base plate is vertical to the first base plate.
Specifically, as shown in fig. 1 and fig. 2, one side of the first adapter plate 2 is provided with an insertion tongue 201, and one side opposite to the insertion tongue 201 is provided with an insertion groove 202, the insertion tongue 201 of the first adapter plate 2 is located at the outer side of the first adapter plate 2 and is parallel to the first adapter plate 2, and the opening direction of the insertion groove 202 of the first adapter plate 2 is perpendicular to the first adapter plate 2 and faces the inner side of the first adapter plate 2. The structure of the insertion tongue 101 and the insertion groove 102 of the first base plate 3 are the same as the insertion tongue 201 and the insertion groove 202 of the first adapter plate 2, and the description thereof is omitted. I.e. the first adapter plate 2 and the first base plate 3 differ only in size, in some embodiments the first adapter plate 2 and the first base plate 3 may also be the same size.
In some embodiments, the insertion tongue 401 of the second adaptor plate 4 is disposed inside one end of the second adaptor plate 4, and the insertion groove 402 of the second adaptor plate 4 is disposed outside the other end of the second adaptor plate 4; the plug tongue 401 of the second adapter plate is perpendicular to the second adapter plate 4, and the plug groove 402 of the second adapter plate 4 is parallel to the second adapter plate 4;
the insertion tongue 601 of the second base plate 6 is arranged at the inner side of one end of the second base plate 6, and the insertion groove 602 of the second base plate 6 is arranged at the outer side of the other end of the second base plate 6; the insertion tongue 601 of the second base plate 6 is perpendicular to the second base plate 6, and the insertion groove 602 of the second base plate 6 is parallel to the second base plate 6.
Specifically, one side of the second adapter plate 4 is provided with a plug tongue 401, one side opposite to the plug tongue 401 is provided with a plug groove 402, the opening direction of the plug groove 402 of the second adapter plate 4 is parallel to the second adapter plate 4, and the plug tongue 401 of the second adapter plate 4 is perpendicular to the second adapter plate 4. The structure of the tongue 601 and the slot 602 of the second base plate 6 is the same as the tongue 401 and the slot 402 of the second adapter plate 4, and the description thereof is omitted. I.e. the second adapter plate 4 and the second base plate 6 differ only in their dimensions, in some embodiments the second adapter plate 4 and the second base plate 6 may also be the same size.
In some embodiments, the insertion groove 102 of the flat plate 1, the insertion groove 202 of the first adapter plate 2, the insertion groove 402 of the second adapter plate 4, the insertion groove 302 of the first base plate 3, and the insertion groove 602 of the second base plate 6 each include a depression bar having a trapezoidal cross section;
the bottom of the pressing strip is connected with the flat plate, the first adapter plate, the second adapter plate, the first bottom plate or the main body of the second bottom plate.
In some embodiments, the positioning block is located outside the insertion groove 102 of the flat plate 1, the insertion groove 202 of the first adapter plate 2, the insertion groove 402 of the second adapter plate 4, the insertion groove 302 of the first base plate 3, or the insertion groove 602 of the second base plate 6;
the positioning block is internally provided with a screw hole which is matched with the locking bolt in a structure, so that the inner end face of the locking bolt is abutted against the outer side wall of the pressing strip.
Specifically, the insertion groove 102 of the flat plate 1, the insertion groove 202 of the first adapter plate 2, the insertion groove 402 of the second adapter plate 4, the insertion groove 302 of the first base plate 3, and the insertion groove 602 of the second base plate 6 may all adopt adjustable insertion grooves. Taking the first adapter plate 2 shown in fig. 3 as an example, the outer side wing of the insertion groove 202 of the first adapter plate 2 may be set as a pressing bar 2021, the cross section of the pressing bar 2021 is in a trapezoidal structure, the narrow side of the pressing bar is connected with the bottom of the insertion groove 202 (i.e., fixed on the body of the first adapter plate 2), the outer side of the insertion groove 202 is provided with a plurality of positioning blocks 203, the positioning blocks 203 are internally provided with screw holes, the screw holes are internally provided with locking bolts 204, the inner end surfaces of the locking bolts 204 are in contact connection with the outer side wall of the pressing bar, and are used for locking the insertion tongues of the insertion groove 202 to play a role in fixed connection.
In some embodiments, as shown in fig. 3 and 4, the plugging grooves 102(202, 302, 402) are U-shaped grooves to facilitate plugging. And the inserting grooves 102(202, 302, 402) are filled with conductive cotton 205 for better electromagnetic shielding.
In some embodiments, the insertion tongue 101 of the flat plate 1, the insertion tongue 201 of the first adapter plate 2, and the insertion tongue 401 of the second adapter plate 4 are located on the same side of the corresponding plate surfaces; the inner side surfaces of the flat plate 1, the first adapter plate 2 and the second adapter plate 4 close to the two ends are all provided with a clamping groove, such as a first clamping groove 7a on the first adapter plate 2 in fig. 3 and a second clamping groove 7b on the first bottom plate in fig. 4, for clamping the corresponding side plate 5(501, 502, 503, 504); the thicknesses of four edges of the side plates 5(501, 502, 503 and 504) are matched with the clamping grooves and can be clamped in the clamping grooves, and a plurality of adjusting support legs 8 are arranged on at least one first bottom connecting plate 3 and one second bottom plate 6 and can support the spliced case.
The scheme provided by the invention can form a closed barrel-shaped case through the flat plate 1, the first adapter plate 2, the second adapter plate 4, the first bottom plate 3, the second bottom plate 6 and the plurality of side plates 5, and carry out an electromagnetic compatibility comparison test on corresponding parts. Also can be through selecting the dull and stereotyped 1 of suitable size, first keysets 2, second keysets 4, first bottom plate 3, second bottom plate 6 and a plurality of curb plate 5, constitute the chassis casing that is close with design chassis size through the draw-in groove that corresponds, select curb plate 5 corresponding with the integrated circuit board interface, as front side board and rear side board, install the cardboard between front side board and rear side board, also select through the style of concatenation curb plate 5, match the cardboard of different model types, need not wait for the chassis to take a design, only need can realize the equipment of design chassis according to the concatenation curb plate that the design demand preparation corresponds, after the equipment, carry out corresponding test, participate in the problem of integrated circuit board level in advance, carry out the rectification according to the test result, make the rectification simple, the expense is also low.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a system 10 for EMC testing, as shown in fig. 5, including a chassis 11 for EMC testing as described in any of the above embodiments.
The foregoing are exemplary embodiments of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also combinations between technical features in the above embodiments or in different embodiments are possible, and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A chassis for EMC testing is characterized by comprising a flat plate with a plug tongue and a plug groove, a first adapter plate with a plug tongue and a plug groove, a second adapter plate with a plug tongue and a plug groove, a first bottom plate with a plug tongue and a plug groove, a second bottom plate with a plug tongue and a plug groove and a plurality of side plates;
the flat plates are connected with each other through the inserting tongues and the inserting grooves of the flat plates to form a top plate of the case, one end of the top plate is the inserting tongue of the flat plate, and the other end of the top plate is the inserting groove of the flat plate;
the insertion groove of the first adapter plate is connected with the insertion tongue at one end of the top plate so that the first adapter plate forms a left side plate of the case, and the insertion tongue of the second adapter plate is connected with the insertion groove at the other end of the top plate so that the second adapter plate forms a right side plate of the case;
the inserting groove of the first bottom plate is connected with the inserting tongue of the first adapter plate, the inserting tongue of the first bottom plate is connected with the inserting groove of the second bottom plate, and the inserting tongue of the second bottom plate is connected with the inserting groove of the second adapter plate, so that the first bottom plate and the second bottom plate form a bottom side plate of the case;
the inner surfaces of the top plate, the left side plate, the right side plate and the bottom side plate are provided with mutually matched clamping grooves for fixing the side plates, so that the side plates form the front side and the rear side of the case.
2. The chassis of claim 1, wherein a number of the plurality of side panels are provided with a plurality of types of ports to allow a card to be tested to be connected to the front side or the back side through the ports.
3. The chassis of claim 1, wherein the left side panel and the right side panel further comprise a plurality of flat panels in equal number;
the flat plates of the left side plate and the right side plate are mutually connected through the inserting tongues and the inserting grooves of the flat plates to form a side surface extending plate of the case, one end of the side surface extending plate is the inserting tongue of the flat plate, and the other end of the side surface extending plate is the inserting groove of the flat plate;
the plug tongue of the flat plate at one end of the side extension plate is connected with the plug groove of the first base plate or the plug groove of the second adapter plate;
the insertion groove of the flat plate at the other end of the side extension plate is connected with the insertion tongue of the first adapter plate or the insertion tongue of the second bottom plate.
4. The chassis of claim 1, wherein the bottom side panel further comprises a plurality of flat panels;
the flat plates of the bottom side plate are mutually connected through the inserting tongues and the inserting grooves of the flat plates to form a bottom surface extending plate of the case, one end of the bottom surface extending plate is the inserting tongue of the flat plate, and the other end of the bottom surface extending plate is the inserting groove of the flat plate;
the flat insertion tongue at one end of the bottom surface extension plate is connected with the insertion groove of the second bottom plate, and the flat insertion groove at the other end of the bottom surface extension plate is connected with the insertion tongue of the first bottom plate.
5. The chassis of claim 1, wherein the tongue of the plate is disposed outside one end of the plate, the slot of the plate is disposed outside the other end of the plate, and the tongue and the slot of the plate are both parallel to the plate.
6. The chassis of claim 1, wherein the tongue of the first adapter plate is disposed outside one end of the first adapter plate and the slot of the first adapter plate is disposed inside the other end of the first adapter plate; the inserting tongue of the first transfer plate is parallel to the first transfer plate, and the inserting groove of the first transfer plate is perpendicular to the first transfer plate;
the inserting tongue of the first bottom plate is arranged on the outer side of one end of the first bottom plate, and the inserting groove of the first bottom plate is arranged on the inner side of the other end of the first bottom plate; the inserting tongue of the first base plate is parallel to the first base plate, and the inserting groove of the first base plate is vertical to the first base plate.
7. The chassis of claim 1, wherein the tongue of the second adapter plate is disposed inside one end of the second adapter plate and the groove of the second adapter plate is disposed outside the other end of the second adapter plate; the plug tongue of the second adapter plate is perpendicular to the second adapter plate, and the plug groove of the second adapter plate is parallel to the second adapter plate;
the inserting tongue of the second bottom plate is arranged on the inner side of one end of the second bottom plate, and the inserting groove of the second bottom plate is arranged on the outer side of the other end of the second bottom plate; the inserting tongue of the second bottom plate is perpendicular to the second bottom plate, and the inserting groove of the second bottom plate is parallel to the second bottom plate.
8. The chassis of claim 1, wherein the flat panel mating grooves, the first adapter plate mating grooves, the second adapter plate mating grooves, the first base plate mating grooves, and the second base plate mating grooves each include a bead having a trapezoidal cross-section;
the bottom of the pressing strip is connected with the flat plate, the first adapter plate, the second adapter plate, the first bottom plate or the main body of the second bottom plate.
9. The chassis of claim 8, further comprising a positioning block located outside the flat plate insertion slot, the first adapter plate insertion slot, the second adapter plate insertion slot, the first base plate insertion slot, or the second base plate insertion slot;
the positioning block is internally provided with a screw hole which is matched with the locking bolt in a structure, so that the inner end face of the locking bolt is abutted against the outer side wall of the pressing strip.
10. A system for EMC testing, characterized in that it comprises a chassis according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955031.8A CN112034291B (en) | 2020-09-11 | 2020-09-11 | Case and system for EMC test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955031.8A CN112034291B (en) | 2020-09-11 | 2020-09-11 | Case and system for EMC test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112034291A CN112034291A (en) | 2020-12-04 |
| CN112034291B true CN112034291B (en) | 2022-05-17 |
Family
ID=73588845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010955031.8A Active CN112034291B (en) | 2020-09-11 | 2020-09-11 | Case and system for EMC test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112034291B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211180011U (en) * | 2019-09-25 | 2020-08-04 | 长园深瑞继保自动化有限公司 | Movable 4U integrated circuit board EMC test bench |
| CN211208694U (en) * | 2019-12-25 | 2020-08-07 | 深圳微步信息股份有限公司 | Spring tongue piece and plug-in mini box |
| CN211378430U (en) * | 2019-09-11 | 2020-08-28 | 漳州科华技术有限责任公司 | Electrical box body convenient to maintain |
-
2020
- 2020-09-11 CN CN202010955031.8A patent/CN112034291B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211378430U (en) * | 2019-09-11 | 2020-08-28 | 漳州科华技术有限责任公司 | Electrical box body convenient to maintain |
| CN211180011U (en) * | 2019-09-25 | 2020-08-04 | 长园深瑞继保自动化有限公司 | Movable 4U integrated circuit board EMC test bench |
| CN211208694U (en) * | 2019-12-25 | 2020-08-07 | 深圳微步信息股份有限公司 | Spring tongue piece and plug-in mini box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112034291A (en) | 2020-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7172432B2 (en) | Stacked multiple connection module | |
| CN201204312Y (en) | Electric connector | |
| EP1758209B1 (en) | Vertical docking connector | |
| CN100559659C (en) | Electric connector | |
| US7540744B1 (en) | Shared hole orthogonal footprint with backdrilled vias | |
| US20090093158A1 (en) | Performance enhancing contact module assemblies | |
| US7907419B2 (en) | Guide receptacle for tandem circuit board mating | |
| CN101330172A (en) | High speed high-density connector with modular structure for back board | |
| US20050032398A1 (en) | Interconnecting module for the base of electronic equipment casing | |
| CN101803120A (en) | Backplane connector with improved pin header | |
| US5859766A (en) | Electrical housing for circuit board assembly | |
| CN211719825U (en) | High-speed electric connector | |
| CN112034291B (en) | Case and system for EMC test | |
| US20190207337A1 (en) | Wafer group and signal terminal assembly | |
| CN109561628B (en) | Modularized integrated electronic box | |
| US10446964B2 (en) | High density connector and wafer group | |
| US20060211298A1 (en) | Electrical component connector | |
| CN101087048A (en) | Modular connector assembly utilizing a generic lead frame | |
| US20120295452A1 (en) | Daughter card assemblies | |
| CN111999828A (en) | Direct-connected optical module and assembling method thereof | |
| CN217467090U (en) | Four-port USB floating type opposite-insertion test module | |
| CN110620965B (en) | Interconnection structure and setting method of 576 port switch | |
| CN219659011U (en) | Connector assembly structure | |
| CN219612220U (en) | Standard case and connector mounting plate generalized structure thereof | |
| CN218675911U (en) | Server with dustproof construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |