Electromagnetic shielding mechanism, equipment and vehicle

Abstract

The utility model discloses an electromagnetic shielding mechanism, electromagnetic shielding equipment and a vehicle. The electromagnetic shielding mechanism comprises a positioning assembly; the clamping assembly comprises a clamping part and a baffle, one end of the baffle is connected with the clamping part, a plurality of flat cable through holes are formed in the baffle, and each flat cable through hole is sleeved with an electromagnetic shielding sleeve; the connecting mechanism is arranged between the positioning assembly and the clamping part, the connecting mechanism is fixedly connected with one of the positioning assembly and the clamping part, and the connecting mechanism is in sliding connection with the other one so that the other one can slide in the extending direction of the connecting mechanism; wherein the positioning assembly, the clamping part, the baffle and the connecting mechanism form a frame with a containing cavity in a surrounding mode, the containing cavity is used for containing the electromagnetic shielding box, the baffle is attached to one side wall of the electromagnetic shielding box, and all wire arranging through holes in the baffle are used for being matched with all wire arranging openings in the electromagnetic shielding box respectively. The electromagnetic shielding effect at the joint of the flat cable port and the wire can be enhanced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electromagnetic shielding, in particular to an electromagnetic shielding mechanism, a device and a vehicle. BACKGROUND

[0002] Electronic devices and components will radiate a large amount of electromagnetic waves of different frequencies and wavelengths when working, which will cause interference to adjacent circuits and devices and affect the normal work of precision electronic instruments.

[0003] With the development of the automobile cabin, the automobile cabin controller integrates more and more functions, so that the electromagnetic compatibility problem becomes a problem that must be faced in system design and use.

[0004] At present, the wire harness through hole of the traditional electromagnetic shielding structure is connected with an external lead wire, and a gap still exists, which can cause electromagnetic leakage and affect the working stability of the internal device. CONTENT OF THE INVENTION

[0005] The application mainly solves the technical problem of providing an electromagnetic shielding mechanism, a device and a vehicle, which can strengthen the electromagnetic shielding effect of the wire harness through hole and improve the working stability of the internal device of the electromagnetic shielding box.

[0006] To solve the above technical problem, one technical scheme of the application is to provide an electromagnetic shielding mechanism, which comprises: a positioning assembly; a clamping assembly comprising a clamping part and a baffle, the baffle being connected to the clamping part at one end, a plurality of wire harness through holes being formed in the baffle, and an electromagnetic shielding sleeve being arranged in each wire harness through hole; and at least one connecting mechanism, which is arranged between the positioning assembly and the clamping part, and is fixedly connected to one of the positioning assembly and the clamping part and slidably connected to the other one so that the other one can slide along the extension direction of the connecting mechanism; wherein the positioning assembly, the clamping part, the baffle and the connecting mechanism form a frame with a containing cavity, the containing cavity is used for placing an electromagnetic shielding box, the baffle is attached to one side wall of the electromagnetic shielding box, and each wire harness through hole in the baffle is used for cooperating with each wire harness port in the electromagnetic shielding box.

[0007] The clamping part comprises a first clamping part and a second clamping part, at least one of the first clamping part and the second clamping part is fixedly connected or slidably connected to the connecting mechanism, the direction in which the first clamping part points to the second clamping part is perpendicular to the extension direction, the first clamping part is provided with a first fixing member, the second clamping part is provided with a second fixing member symmetrical to the first fixing member, and the first fixing member and the second fixing member cooperate to fix the position between the first clamping part and the second clamping part; the baffle comprises a first baffle and a second baffle, a first end of the first baffle is connected to the first clamping part, a second end of the second baffle is connected to the second clamping part, and the second end of the first baffle is opposite to the first end of the second baffle.

[0008] The first baffle is provided with a plurality of first annular grooves, and the second baffle is provided with a plurality of second annular grooves corresponding to the first annular grooves; each group of first annular grooves and second annular grooves is matched to form a wire arrangement through hole; an annular electromagnetic shielding sleeve is sleeved on the groove wall of each first annular groove, and an annular electromagnetic shielding sleeve is sleeved on the groove wall of each second annular groove; and the two annular electromagnetic shielding sleeves are matched to form an electromagnetic shielding sleeve sleeved on the wire arrangement through hole.

[0009] The first clamping part, the second clamping part, the first baffle and the second baffle are all multi-layer structures, and the multi-layer structure comprises a first metal layer, an electromagnetic shielding layer and a second metal layer which are stacked.

[0010] The electromagnetic shielding layer is a metal corrugated layer, and the metal corrugated layer is provided with a semi-closed hole, and the hole wall of the hole is irregularly shaped.

[0011] The positioning assembly comprises a first positioning assembly and a second positioning assembly, at least one of the first positioning assembly and the second positioning assembly is fixedly connected or slidingly connected with the connecting mechanism, the direction in which the first positioning assembly points to the second positioning assembly is perpendicular to the extension direction; a third fixing member is arranged on the first positioning assembly, a fourth fixing member symmetrical to the third fixing member is arranged on the second positioning assembly, and the third fixing member and the fourth fixing member cooperate to fix the position between the first positioning assembly and the second positioning assembly.

[0012] The positioning assembly further comprises a third baffle and a fourth baffle, the first end of the third baffle is connected with the first positioning assembly, the second end of the fourth baffle is connected with the second positioning assembly, and the distance between the second end of the third baffle and the first end of the fourth baffle is greater than 0; the direction in which the first end of the third baffle points to the second end of the third baffle and the direction in which the first end of the fourth baffle points to the second end of the fourth baffle are parallel to the perpendicular direction of the extension direction.

[0013] The connecting mechanism comprises a limiting rod and an elastic element, the elastic element is arranged around in the extension direction of the limiting rod, one end of the elastic element is fixedly connected with the positioning assembly, the other end of the elastic element is fixedly connected with the clamping part, and one end of the limiting rod is fixedly connected with one of the positioning assembly and the clamping part and slidingly connected with the other one so that the other one slides along the extension direction of the limiting rod under the stretching and contracting of the elastic element.

[0014] To solve the above technical problems, another technical solution adopted by the present application is to provide an electromagnetic shielding device, which comprises a shielding box and the electromagnetic shielding mechanism in any one of the above.

[0015] To solve the above technical problems, another technical solution adopted by the present application is to provide a vehicle, which comprises the electromagnetic shielding device.

[0016] The beneficial effects of the present application are: different from the prior art, the present application forms a frame with a containing cavity by the positioning assembly, the clamping part, the baffle and the connecting mechanism, to contain the electromagnetic shielding box, the baffle is attached to one side wall of the electromagnetic shielding box, and each wire passing hole on the baffle is matched with each wire port on the electromagnetic shielding box, when the wire port is connected with the external wire, the wire passing hole seals the gap between the wire and the wire port, to strengthen the electromagnetic shielding effect of the connection between the wire port and the wire, and improve the working stability of the internal device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of an embodiment of the electromagnetic shielding mechanism of the present application;

[0018] Figure 2 is a structural schematic diagram of the electromagnetic shielding box in an embodiment of the electromagnetic shielding mechanism of the present application;

[0019] Figure 3 is a structural schematic diagram of the electromagnetic shielding mechanism in an embodiment of the present application Figure 1

[0020] Figure 4 is a structural schematic diagram of another part of the electromagnetic shielding mechanism in an embodiment of the present application Figure 1

[0021] Figure 5 is a structural schematic diagram of another embodiment of the electromagnetic shielding mechanism of the present application;

[0022] Figure 6 is a structural schematic diagram of a multi-layer structure of an embodiment of the electromagnetic shielding mechanism of the present application;

[0023] Figure 7 is a structural schematic diagram of an embodiment of the electromagnetic shielding device of the present application;

[0024] Figure 8 is a structural schematic diagram of an embodiment of the vehicle of the present application. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] ​​The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in the description of the embodiments of the application and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be understood that the terms "and / or", "at least one of", "one or more of", and "and / or at least one of" as used herein refer to and encompass any possible combination of one or more of the associated listed items, including any single one of the associated listed items. "Multiple" generally contains at least two, but does not exclude the case of containing at least one.

[0027] It should be understood that the term "and / or" as used herein merely describes associated objects, and can represent three relationships, for example, A and / or B, which can represent three cases: A exists alone, A and B exist together, and B exists alone. In addition, the character " / " in this article generally represents that the front and rear associated objects are in an "or" relationship.

[0028] It should be understood that the terms "include", "comprise", or any other variant thereof, as used in this article, are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the elements defined by the statement "include" do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0029] For the purpose, technical solutions and effects of the present application to be more clear and explicit, the present application is further described in detail below with reference to the accompanying drawings and embodiments.

[0030] The present application provides an electromagnetic shielding mechanism, referring to Figure 1 , Figure 1 is a structural schematic diagram of an embodiment of the electromagnetic shielding mechanism of the present application, like Figure 1As shown, the electromagnetic shielding mechanism 100 comprises: a positioning assembly 20, a clamping assembly 30, the clamping assembly 30 comprising a clamping part 31 and a baffle plate 32, the baffle plate 32 being connected to one end of the clamping part 31, a plurality of wire passing holes 323 being formed in the baffle plate 32, and an electromagnetic shielding sleeve 324 being sleeved on each wire passing hole 323. At least one connecting mechanism 40 is arranged between the positioning assembly 20 and the clamping part 31, and the connecting mechanism 40 is fixedly connected to one of the positioning assembly 20 and the clamping part 31, and is slidably connected to the other one so that the other one can slide along the extension direction of the connecting mechanism 40. The positioning assembly 20, the clamping part 31, the baffle plate 32 and the connecting mechanism 40 form a frame with a containing cavity, the containing cavity being used for placing the electromagnetic shielding box 10, the baffle plate 32 being attached to one side wall of the electromagnetic shielding box 10, and each wire passing hole 323 on the baffle plate 32 being used for cooperating with each wire port 11 on the electromagnetic shielding box 10. The connecting mechanism 40 can be fixedly connected to the clamping part 31 and slidably connected to the positioning assembly 20, the connecting mechanism 40 being arranged between the positioning assembly 20 and the clamping part 31, and the connecting mechanism 40 being capable of adjusting the relative distance between the positioning assembly 20 and the clamping part 31 by relative sliding with the positioning assembly 20. The connecting mechanism 40 can also be fixedly connected to the positioning assembly 20 and slidably connected to the clamping part 31, the connecting mechanism 40 being capable of adjusting the relative distance between the positioning assembly 20 and the clamping part 31 by relative sliding with the clamping part 31, so as to sleeve the electromagnetic shielding mechanism 100 outside the electromagnetic shielding box 10, make each wire hole of the electromagnetic shielding mechanism 100 cooperate with each wire port 11 on the electromagnetic shielding box 10, strengthen the electromagnetic shielding effect of the wire passing hole 323, and improve the working stability of the device inside the electromagnetic shielding box 10, such as the cabin controller.

[0031] Specifically, the baffle plate 32 can be one or more, and a plurality of wire passing holes 323 can be arranged on one baffle plate 32 or on a plurality of baffle plates 32. In an embodiment, each wire passing hole 323 can be independently arranged on one baffle plate 32, and a plurality of wire passing holes 323 can be arranged on one baffle plate 32 or on a plurality of baffle plates 32. In another embodiment, each wire passing hole 323 can be divided into a plurality of annular parts, each part of each wire passing hole 323 can be arranged on at least two different baffle plates 32, and the at least two different baffle plates 32 are combined to form a complete wire passing hole 323. An annular electromagnetic shielding sleeve 324 is sleeved on each part of each wire passing hole 323, and a plurality of electromagnetic shielding sleeves 324 are combined to form a complete electromagnetic shielding sleeve 324.

[0032] In a specific embodiment, the electromagnetic shielding sleeve 324 can be a circular ring type, and the flat cable through hole 323 can be composed of the first annular groove 3210 and the second annular groove 3230 that are opposite to each other. During installation, the electromagnetic shielding sleeve 324 can be arranged inside the first annular groove 3210 or the second annular groove 3230 before the first annular groove 3210 and the second annular groove 3230 are installed to be opposite to each other. The outer wall of the electromagnetic shielding sleeve 324 can be provided with a first positioning structure, and the inner wall of the first annular groove 3210 and the second annular groove 3230 can be provided with a second positioning structure that cooperates with the first positioning structure for positioning. In some embodiments, the first positioning structure can be arranged on one side of the outer wall of the electromagnetic shielding sleeve 324, and the second positioning structure can be arranged on the inner wall of the first annular groove 3210 or the second annular groove 3230. For example, the outer wall of the electromagnetic shielding sleeve 324 can be provided with a clamping groove structure, and the inner wall of the first annular groove 3210 or the second annular groove 3230 can be provided with a clamping edge structure corresponding to the clamping groove structure for fixing the electromagnetic shielding sleeve 324, which is not limited in the present application.

[0033] In another specific embodiment, the electromagnetic shielding sleeve 324 can be composed of a plurality of annular electromagnetic shielding sleeves 324, and the slot wall of each first annular groove 3210 is sleeved with an annular electromagnetic shielding sleeve 324, and the slot wall of each second annular groove 3230 is sleeved with an annular electromagnetic shielding sleeve 324. The electromagnetic shielding sleeves 324 on the first annular groove 3210 and the second annular groove 3230 are combined to form the electromagnetic shielding sleeve 324 sleeved on the flat cable through hole 323. When connecting the external wire, the electromagnetic shielding sleeve 324 closely contacts with the wire, thereby strengthening the electromagnetic shielding effect of the connection between the flat cable port 11 and the wire.

[0034] In an embodiment, the connecting mechanism 40 is arranged between the positioning assembly 20 and the clamping part 31, and the connecting mechanism 40 is fixedly connected with one of the positioning assembly 20 and the clamping part 31, and is slidably connected with the other one, so that the other one can slide along the extension direction of the connecting mechanism 40. The positioning assembly 20, the clamping part 31, the baffle 32, and the connecting mechanism 40 surround a frame that forms a containing cavity for placing the electromagnetic shielding box 10, the baffle 32 is attached to one side wall of the electromagnetic shielding box 10, and each wire passing hole 323 on the baffle 32 is used for cooperating with each wire port 11 on the electromagnetic shielding box 10. Specifically, the connecting mechanism 40 can be fixedly connected with the clamping part 31 and slidably connected with the positioning assembly 20, the connecting mechanism 40 is arranged between the positioning assembly 20 and the clamping part 31, and the connecting mechanism 40 can adjust the relative distance between the positioning assembly 20 and the clamping part 31 by relative sliding with the positioning assembly 20. The connecting mechanism 40 can also be fixedly connected with the positioning assembly 20 and slidably connected with the clamping part 31, and the connecting mechanism 40 can adjust the relative distance between the positioning assembly 20 and the clamping part 31 by relative sliding with the clamping part 31, so as to adapt to different relative distance use scenarios of the clamping part 31 and the positioning assembly 20.

[0035] Referring to Figure 2 , Figure 2 Figure 1 is a structural schematic diagram of an electromagnetic shielding mechanism according to an embodiment of the present application. Figure 2 Figure 1 is a structural schematic diagram of an electromagnetic shielding mechanism according to an embodiment of the present application.

[0036] Referring to Figure 3 and Figure 4 , Figure 3 Figure 1 is a structural schematic diagram of an electromagnetic shielding mechanism according to an embodiment of the present application. Figure 1 Figure 1 is a structural schematic diagram of an electromagnetic shielding mechanism according to an embodiment of the present application. Figure 4 Figure 1 is a structural schematic diagram of an electromagnetic shielding mechanism according to an embodiment of the present application. Figure 1 Figure 1 is a structural schematic diagram of an electromagnetic shielding mechanism according to an embodiment of the present application.Figure 3 part shown in FIG. 1A and another part shown in FIG. 1B. As shown in FIG. 1A, Figure 4 part shown in FIG. 1A and another part shown in FIG. 1B. As shown in FIG. 1A, Figure 3 and Figure 4 As shown in FIG. 1A, the clamping part 31 includes a first clamping part 312 and a second clamping part 313, at least one of the first clamping part 312 and the second clamping part 313 is fixedly connected or slidingly connected with the connecting mechanism 40, and the direction in which the first clamping part 312 points to the second clamping part 313 is perpendicular to the extending direction. The first clamping part 312 is provided with a first fixing member 314, and the second clamping part 313 is provided with a second fixing member 315 symmetrical to the first fixing member 314, and the first fixing member 314 and the second fixing member 315 cooperate to fix the position between the first clamping part 312 and the second clamping part 313. The first clamping part 312 and the second clamping part 313 are fixedly connected through cooperation of the first fixing member 314 and the second fixing member 315. In an embodiment, one of the first clamping part 312 and the second clamping part 313 is fixedly connected or slidingly connected with the connecting mechanism 40. In another embodiment, both the first clamping part 312 and the second clamping part 313 are fixedly connected or slidingly connected with the connecting mechanism 40.

[0037] In some embodiments, the first clamping part 312 can be U-shaped, the second clamping part 313 can also be U-shaped, the U-shaped openings of the first clamping part 312 and the second clamping part 313 are oppositely arranged, the first fixing member 314 is arranged on both sides of the U-shaped opening of the first clamping part 312, the second fixing member 315 is arranged on the second clamping part 313 corresponding to the first fixing member 314, and the first fixing member 314 and the second fixing member 315 cooperate to fix the position between the first clamping part 312 and the second clamping part 313. In other embodiments, at least one of the first clamping part 312 and the second clamping part 313 can also be a square structure with one side open, or the shape of at least one of the first clamping part 312 and the second clamping part 313 matches the shape of the corresponding part of the electromagnetic shielding box 10. In a specific embodiment, the first fixing member 314 can be a first lug, the first lug is provided with a bolt hole, and the second fixing member 315 can be a second lug, the second lug is provided with a bolt hole. The first fixing member 314 and the second fixing member 315 cooperate to fix the position between the first clamping part 312 and the second clamping part 313, for example, the first clamping part 312 and the second clamping part 313 can be fixedly installed by the bolt 35 passing through the bolt holes of the first lug and the second lug.

[0038] In an embodiment, the baffle plate 32 can be an integral body, one end of the baffle plate 32 is connected to the first clamping part 312, the other end of the baffle plate 32 is connected to the second clamping part 313, and a plurality of wire through holes 323 are formed in the baffle plate 32, and each wire through hole 323 is sleeved with an electromagnetic shielding sleeve 324. In another embodiment, the baffle plate 32 can be a combination of a plurality of baffle plates 32. In a specific embodiment, the baffle plate 32 includes a first baffle plate 321 and a second baffle plate 322, a first end of the first baffle plate 321 is connected to the first clamping part 312, a second end of the second baffle plate 322 is connected to the second clamping part 313, and a second end of the first baffle plate 321 is opposite to a first end of the second baffle plate 322. A plurality of first annular grooves 3210 are formed in the first baffle plate 321, a plurality of second annular grooves 3230 corresponding to the first annular grooves 3210 are formed in the second baffle plate 322, and each group of first annular grooves 3210 and second annular grooves 3230 opposite to each other forms a wire through hole 323. An annular electromagnetic shielding sleeve 324 is sleeved on the groove wall of each first annular groove 3210, an annular electromagnetic shielding sleeve 324 is sleeved on the groove wall of each second annular groove 3230, and two annular electromagnetic shielding sleeves 324 opposite to each other form the electromagnetic shielding sleeve 324 sleeved on the wire through hole 323.

[0039] In an embodiment, the positioning assembly 20 includes a first positioning assembly 21 and a second positioning assembly 22, at least one of the first positioning assembly 21 and the second positioning assembly 22 is fixedly connected or slidingly connected with the connecting mechanism 40, a direction in which the first positioning assembly 21 points to the second positioning assembly 22 is perpendicular to an extension direction, the first positioning assembly 21 is provided with a third fixing part 211, the second positioning assembly 22 is provided with a fourth fixing part 221 symmetrical to the third fixing part 211, and the third fixing part 211 and the fourth fixing part 221 cooperate to fix the position between the first positioning assembly 21 and the second positioning assembly 22. The first positioning assembly 21 and the second positioning assembly 22 are fixed by cooperation of the third fixing part 211 and the fourth fixing part 221. In some embodiments, one of the first positioning assembly 21 and the second positioning assembly 22 is fixedly connected or slidingly connected with the connecting mechanism 40. In other embodiments, both the first positioning assembly 21 and the second positioning assembly 22 are fixedly or slidingly connected with the connecting mechanism 40.

[0040] In an embodiment, the first positioning assembly 21 can be in a U shape, the second positioning assembly 22 can also be in a U shape, the U-shaped openings of the first clamping part 312 and the second clamping part 313 are oppositely arranged, the third fixing part 211 is arranged on both sides of the U-shaped opening of the first positioning assembly 21, the fourth fixing part 221 is arranged on the second positioning assembly 22 corresponding to the third fixing part 211, and the third fixing part 211 and the fourth fixing part 221 cooperate to fix the position between the first clamping part 312 and the second clamping part 313. In another embodiment, at least one of the first positioning assembly 21 and the second positioning assembly 22 can also be a square structure with one side opening, or the shape of at least one of the first positioning assembly 21 and the second positioning assembly 22 matches the shape of the corresponding part of the electromagnetic shielding box 10. In a specific embodiment, the third fixing part 211 can be a third lug, and the third lug is provided with a bolt hole, and the fourth fixing part 221 can be a fourth lug, and the fourth lug is provided with a bolt hole. The first positioning assembly 21 and the second positioning assembly 22 can be fixedly installed by the bolt 35 passing through the bolt holes of the third lug and the fourth lug.

[0041] In an embodiment, the connecting mechanism 40 includes a limiting rod 41 and an elastic element 42, the elastic element is arranged around the extending direction of the limiting rod 41, one end of the elastic element is fixedly connected with the positioning assembly 20, the other end of the elastic element is fixedly connected with the clamping part, one end of the limiting rod 41 is fixedly connected with one of the positioning assembly 20 and the clamping part 31, and the other end is slidingly connected with the other one to slide along the extending direction of the limiting rod 41 under the stretching and contracting of the elastic element. One end of the limiting rod 41 is fixedly connected with one of the positioning assembly 20 and the clamping part 31, and the other end of the limiting rod 41 is provided with a limiting structure for limiting the sliding position of one of the elastic element and the clamping part 31 along the limiting rod 41. For example, the limiting structure can be a baffle 45 arranged at the end of the other end of the limiting rod 41 to prevent one of the positioning assembly 20 and the clamping part 31 from falling off the limiting rod 41 when sliding along the limiting rod 41. The elastic element can be a spring, and the elastic element should not be limited to this, and other elastic mechanisms can also be selected, and the specific structure is not listed here. When the elastic element is a spring, when the electromagnetic shielding mechanism 100 is placed in the electromagnetic shielding box 10, the elastic element is in a stretched state to tightly fit the electromagnetic shielding mechanism 100 with the electromagnetic shielding box 10.

[0042] In an embodiment, the connecting mechanism 40 is provided with a first pad 43 at one end and a second pad 44 at the other end, the limiting rod 41 is fixedly connected to the first pad 43 at one end and slidably connected to the second pad 44 at the other end, and the limiting rod 41 is provided with a baffle 45 at the end that penetrates out of the second pad 44. The connecting mechanism 40 is fixed to one of the positioning assembly 20 and the clamping portion 31 through the first pad 43 and the second pad 44, thereby achieving connection with the one of the positioning assembly 20 and the clamping portion 31.

[0043] In a specific embodiment, the first clamping portion 312 is connected to the first positioning assembly 21 through the connecting mechanism 40 to form part of the electromagnetic shielding mechanism 100 as shown in Figure 3 . The second clamping portion 313 is connected to the second positioning assembly 22 through the connecting mechanism to form another part of the electromagnetic shielding mechanism 100 as shown in Figure 4 . The first clamping portion 312 is slidably connected to one end of the connecting mechanism 40, and the first positioning assembly 21 is fixedly connected to the other end of the connecting mechanism 40. The second clamping portion 313 is slidably connected to one end of the connecting mechanism 40, and the second positioning assembly 22 is fixedly connected to the other end of the connecting mechanism 40. Alternatively, the first clamping portion 312 is fixedly connected to one end of the connecting mechanism 40, and the first positioning assembly 21 is slidably connected to the other end of the connecting mechanism 40. The second clamping portion 313 is fixedly connected to one end of the connecting mechanism 40, and the second positioning assembly 22 is slidably connected to the other end of the connecting mechanism 40. During installation, the first clamping portion 312 or the first positioning assembly 21 can be pulled to expand the first clamping portion 312 and the first positioning assembly 21, i.e., to increase the relative distance between the first clamping portion 312 and the first positioning assembly 21. The first positioning assembly 21 is fitted on the front surface of the upper part of the electromagnetic shielding box 10, and the first clamping portion 312 is fitted on the back surface of the upper part of the electromagnetic shielding box 10. Under the guidance of the limiting rod 41, the direction in which the first positioning assembly 21 points towards the first clamping portion 312 is kept flush with the direction in which the front surface of the electromagnetic shielding box 10 points towards the back surface. Similarly, the second clamping portion 313 or the second positioning assembly 22 can be pulled to fit the second clamping portion 313 and the second positioning assembly 22 on the lower part of the electromagnetic shielding box 10. The first clamping portion 312 and the second clamping portion 313 are fixed by fixing the first fixing member 314 and the second fixing member 315, and the first positioning assembly 21 and the second positioning assembly 22 are fixed by fixing the third fixing member 211 and the fourth fixing member 221. The electromagnetic shielding assembly is fixed outside the electromagnetic shielding box 10 and tightly adheres to the outer surface of the electromagnetic shielding box 10, thereby protecting the electromagnetic shielding box 10.

[0044] Please refer to Figure 5 , Figure 5is a structural schematic diagram of another embodiment of the electromagnetic shielding mechanism of the present application. In this embodiment, the positioning assembly 20 further comprises a third baffle 24 and a fourth baffle 25. The first end of the third baffle 24 is connected to the first positioning assembly 21, and the second end of the fourth baffle 25 is connected to the second positioning assembly 22. The distance between the second end of the third baffle 24 and the first end of the fourth baffle 25 is greater than 0. The direction in which the first end of the third baffle 24 points towards the second end of the third baffle 24 and the direction in which the first end of the fourth baffle 25 points towards the second end of the fourth baffle 25 are parallel to the vertical direction of the extending direction. A gap can be left between the third baffle 24 and the fourth baffle 25 for staggering with structures such as a display screen or a control panel on the front of the shielding box. The positioning assembly 20, in cooperation with the third baffle 24 and the fourth baffle 25, wraps the edges and corners on the front of the shielding box, thereby protecting the shielding box. In a specific embodiment, at least one of the third baffle 24 and the fourth baffle 25 is detachably mounted with the first positioning assembly 21 or the second positioning assembly 22, thereby facilitating the adaptation to different types of electromagnetic shielding boxes 10.

[0045] Please refer to Figure 6 , Figure 6 is a structural schematic diagram of a multi-layer structure of an embodiment of the electromagnetic shielding mechanism of the present application. The first clamping portion 312, the second clamping portion 313, the first baffle 321, and the second baffle 322 of the electromagnetic shielding mechanism 100 in this embodiment are all multi-layer structures, which comprise a first metal layer 101, an electromagnetic shielding layer 102, and a second metal layer 103 stacked together. The electromagnetic shielding layer 102 is a metal corrugated layer, and the metal corrugated layer is provided with semi-closed holes, and the hole walls of the holes are irregularly shaped. In an embodiment, the metal corrugated layer is provided with semi-closed holes and closed holes, and the holes in the cross section of the metal corrugated layer are irregular polygons. The hole walls of the holes with irregular polygonal cross sections provide irregular interfaces, which change the refraction direction of electromagnetic waves entering the interfaces. The existence of multiple holes with irregular polygonal cross sections provides multiple irregular interfaces, thereby blocking electromagnetic waves multiple times and improving the electromagnetic shielding effect.

[0046] Please refer to Figure 7 , Figure 7is a structural schematic diagram of an embodiment of the electromagnetic shielding device of the present application. The electromagnetic shielding device 1 comprises a shielding box 10 and the electromagnetic shielding mechanism 100 in any of the above embodiments. The electromagnetic shielding mechanism 100 adopted by the present application forms a frame with a containing cavity by means of the positioning assembly 20, the clamping part 31, the baffle 32 and the connecting mechanism 40, so as to contain the electromagnetic shielding box 10. The baffle 32 is attached to one side wall of the electromagnetic shielding box 10, and each wire passing hole 323 on the baffle 32 is matched with each wire port 11 on the electromagnetic shielding box 10. When the wire port 11 is connected with an external wire, the wire passing hole 323 seals the gap between the wire and the wire port 11, so as to strengthen the electromagnetic shielding effect at the connection between the wire port 11 and the wire, and improve the working stability of the internal device.

[0047] Please refer to Figure 8 , Figure 8 is a structural schematic diagram of an embodiment of the vehicle of the present application. The vehicle 2 comprises the electromagnetic shielding device 1 described above. The electromagnetic shielding device 1 comprises a shielding box 10 and the electromagnetic shielding mechanism 100 in any of the above embodiments.

[0048] In the above scheme, the electromagnetic shielding mechanism 100 adopted by the present application forms a frame with a containing cavity by means of the positioning assembly 20, the clamping part 31, the baffle 32 and the connecting mechanism 40, so as to contain the electromagnetic shielding box 10. The baffle 32 is attached to one side wall of the electromagnetic shielding box 10, and each wire passing hole 323 on the baffle 32 is matched with each wire port 11 on the electromagnetic shielding box 10. When the wire port 11 is connected with an external wire, the wire passing hole 323 seals the gap between the wire and the wire port 11, so as to strengthen the electromagnetic shielding effect at the connection between the wire port 11 and the wire, and improve the working stability of the internal device.

[0049] The above is only an embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation based on the content of the specification and drawings of the present application, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. An electromagnetic shielding mechanism, characterized by, The utility model relates to a kind of electromagnetic shielding box, including: Positioning assembly; Clamping assembly, the clamping assembly includes clamping part and baffle, the baffle one end connects the clamping part, several wire arranging through holes are opened in the baffle, each wire arranging through hole is equipped with electromagnetic shield sleeve; At least one connecting mechanism, the connecting mechanism is arranged between the positioning assembly and the clamping part, and the connecting mechanism is fixedly connected with one of the positioning assembly and the clamping part, and is slidably connected with the other to enable the other to slide along the extension direction of the connecting mechanism; Wherein, the positioning assembly, the clamping part, the baffle and the connecting mechanism form a frame with a containing cavity, the containing cavity is used to place the electromagnetic shielding box, the baffle is attached to one side wall of the electromagnetic shielding box, and each wire arranging through hole on the baffle is used to cooperate with each wire port on the electromagnetic shielding box.

2. The mechanism of claim 1, wherein, The clamping part includes first clamping part and second clamping part, at least one of the first clamping part and the second clamping part is fixedly connected or slidably connected with the connecting mechanism, the direction of the first clamping part pointing to the second clamping part is perpendicular to the extension direction, the first clamping part is provided with a first fixing part, the second clamping part is provided with a second fixing part symmetrical to the first fixing part, and the first fixing part and the second fixing part cooperate to fix the position between the first clamping part and the second clamping part. The baffle includes first baffle and second baffle, the first end of the first baffle is connected to the first clamping part, the second end of the second baffle is connected to the second clamping part, and the second end of the first baffle is opposite to the first end of the second baffle.

3. The mechanism of claim 2, wherein, A plurality of first annular grooves are opened on the first baffle, and a second annular groove corresponding to each first annular groove is opened on the second baffle. Each group of first annular grooves and second annular grooves are opposite to form a wire arranging through hole. An annular electromagnetic shield sleeve is sleeved on the groove wall of each first annular groove, and an annular electromagnetic shield sleeve is sleeved on the groove wall of each second annular groove. Two annular electromagnetic shield sleeves are opposite to form an electromagnetic shield sleeve sleeved on the wire arranging through hole.

4. The mechanism according to any one of claims 2 to 3, characterized in that The first clamping part, the second clamping part, the first baffle and the second baffle are all multi-layer structures, and the multi-layer structure includes a first metal layer, an electromagnetic shielding layer and a second metal layer stacked.

5. The mechanism of claim 4, wherein, The electromagnetic shielding layer is a metal corrugated layer, and a semi-closed hole is opened on the metal corrugated layer, and the hole wall of the hole is irregularly shaped.

6. The mechanism according to any one of claims 1 to 3, characterized in that The positioning assembly includes first positioning assembly and second positioning assembly, at least one of the first positioning assembly and the second positioning assembly is fixedly connected or slidably connected with the connecting mechanism, and the direction of the first positioning assembly pointing to the second positioning assembly is perpendicular to the extension direction. A third fixing part is provided on the first positioning assembly, a fourth fixing part symmetrical to the third fixing part is provided on the second positioning assembly, and the third fixing part and the fourth fixing part cooperate to fix the position between the first positioning assembly and the second positioning assembly.

7. The mechanism of claim 6, wherein, The positioning assembly further comprises a third baffle and a fourth baffle, a first end of the third baffle is connected with the first positioning assembly, a second end of the fourth baffle is connected with the second positioning assembly, and a distance between a second end of the third baffle and a first end of the fourth baffle is greater than 0; A direction in which the first end of the third baffle points to the second end of the third baffle and a direction in which the first end of the fourth baffle points to the second end of the fourth baffle are parallel to a vertical direction of the extending direction.

8. The mechanism according to any one of claims 1 to 3, characterized in that The connecting mechanism comprises a limiting rod and an elastic element, the elastic element is arranged around in an extending direction of the limiting rod, one end of the elastic element is fixedly connected with the positioning assembly, the other end of the elastic element is fixedly connected with the clamping part, and one end of the limiting rod is fixedly connected with one of the positioning assembly and the clamping part and is slidingly connected with the other one so that the other one slides along the extending direction of the limiting rod under the expansion and contraction of the elastic element.

9. An electromagnetic shielding apparatus, characterized by, The electromagnetic shielding device comprises a shielding box and the electromagnetic shielding mechanism according to any one of claims 1-8.

10. A vehicle characterized by comprising: The vehicle comprises the electromagnetic shielding device according to claim 9.

Images