Anti-interference device and filter

Abstract

The utility model provides an anti-interference device and a filter, and relates to the technical field of electromagnetic interference protection. The anti-interference device comprises a supporting assembly and a folding anti-magnetic plate, and the supporting assembly is connected with a side blocking assembly in a sliding mode in the first direction; the folding diamagnetic plate comprises two end parts which are oppositely arranged, the distance between the two end parts in the first direction can be changed, at least one end part is fixedly connected with the side blocking assembly, and the folding diamagnetic plate is folded or stretched along with the sliding of the side blocking assembly relative to the supporting assembly. According to the anti-interference device provided by the embodiment of the invention, the side blocking assembly is arranged to be capable of sliding relative to the supporting assembly and drives the folding anti-magnetic plate to be folded or stretched, so that the size of the anti-interference device can be changed, and the application range of the anti-interference device is wider. The folding design of the folding anti-magnetic plate can increase the anti-electromagnetic area and improve the shielding effect on external electromagnetic signals.

Description

Technical Field

[0001] The present application relates to the technical field of electromagnetic interference protection, and in particular to an anti-interference device and a filter. Background Art

[0002] Communication equipment, including both wired and wireless devices used in industrial control environments, requires anti-interference devices to counteract any interference with communications or radar operations. Typical communication equipment utilizes the impedance characteristics of inductors and capacitors, as well as filtering of signals of varying frequencies, to achieve anti-interference capabilities. However, due to the varying models of communication equipment, anti-interference devices can only be installed and function for one type of equipment, resulting in limited versatility. Furthermore, the anti-interference device's limited electromagnetic interference shielding area results in poor shielding against external electromagnetic interference. Utility Model Content

[0003] The embodiments of the present application provide an anti-interference device for solving the problems of poor versatility and shielding effect of the anti-interference device.

[0004] In some embodiments, an anti-interference device is provided, comprising a support assembly and a folding anti-magnetic plate, wherein the support assembly is slidably connected to a side stop assembly along a first direction; the folding anti-magnetic plate comprises two oppositely arranged ends, the distance between the two ends along the first direction can be changed, at least one of the ends is fixedly connected to the side stop assembly, and as the side stop assembly slides relative to the support assembly, the folding anti-magnetic plate is folded or stretched.

[0005] In some embodiments, the side block assembly includes two side block components arranged relatively to each other, the two side block components correspond one-to-one to the two ends of the folding anti-magnetic plate and are fixedly connected, and the two side block components are respectively slidably connected to the support assembly along the first direction.

[0006] In some embodiments, the folded diamagnetic plate includes a first diamagnetic plate and two oppositely disposed second diamagnetic plates, wherein the first diamagnetic plate is connected between the two second diamagnetic plates.

[0007] In some embodiments, the support assembly includes two groups of support components, and the two groups of support components are arranged relative to each other along a second direction, and the second direction is perpendicular to the first direction; each of the support components includes two mounting rods extending along the first direction and a support rod fixedly connected between the two mounting rods, and each of the mounting rods is slidably connected to the two groups of side block components.

[0008] In some embodiments, an adjustment slot is provided on the mounting rod, and the side blocking component includes a sliding rod, which slides along the adjustment slot. An elastic member is connected between the sliding rod and the mounting rod, and the sliding rod can extend out of the adjustment slot under the action of external force and reset under the action of the elastic member.

[0009] In some embodiments, the side block component also includes a first connecting rod and two second connecting rods that are fixedly connected. The first connecting rod is detachably fixedly connected to the first anti-magnetic plate, and the two second connecting rods are respectively detachably fixedly connected to the two second anti-magnetic plates. The first connecting rod and the two second connecting rods are fixedly connected to the sliding rod and slide synchronously with the sliding rod along the adjustment groove.

[0010] In some embodiments, the support rod in each of the support components is detachably fixed to the two mounting rods by screws.

[0011] In some embodiments, the first connecting rod extends along the second direction and the first connecting rod is capable of retracting and contracting along the second direction.

[0012] In some embodiments, the second connecting rod extends along a third direction, the first direction, the second direction and the third direction are perpendicular to each other, and the second connecting rod can be telescopic along the third direction.

[0013] In some embodiments, a filter is provided, comprising a body and the above-mentioned anti-interference device, wherein the anti-interference device is covered on the outside of the body.

[0014] The anti-interference device provided in the embodiment of the present application can change the volume of the anti-interference device by setting the side guard assembly to slide relative to the support assembly and driving the folding anti-magnetic plate to fold or stretch, so that the anti-interference device can be installed on the outside of different types of communication equipment and the anti-interference device and the communication equipment can be installed, making the anti-interference device more applicable. The folding anti-magnetic plate covering the surface of the communication equipment can shield the communication equipment from external electromagnetic interference. The folding design of the folding anti-magnetic plate can increase the anti-electromagnetic area. Compared with the traditional planar anti-magnetism, the folding anti-magnetic plate has a larger anti-magnetic area, which can improve the shielding effect of external electromagnetic signals. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0016] Figure 1is a schematic diagram of the overall structure of the anti-interference device in some embodiments of the present application;

[0017] Figure 2 yes Figure 1 A front view of the anti-interference device in the embodiment;

[0018] Figure 3 yes Figure 1 A schematic cross-sectional view of an anti-interference device in an embodiment;

[0019] Figure 4 is a schematic diagram of a partial structure of an anti-interference device in another embodiment;

[0020] Figure 5 is a schematic diagram of the overall structure of the filter in some embodiments of the present application;

[0021] Figure 6 yes Figure 5 Schematic diagram of the structure of the filter body in the embodiment.

[0022] In the above drawings:

[0023] 10. Anti-interference device;

[0024] 11. Support assembly; 110. Support component; 111. Mounting rod; 1111. Adjustment slot; 112. Support rod; 1121. Third sleeve; 1122. Third telescopic rod; 113. Screw;

[0025] 12. Side stop assembly; 120. Side stop member; 121. Sliding rod; 122. First connecting rod; 1221. First sleeve; 1222. First telescopic rod; 123. Second connecting rod; 1231. Second sleeve; 1232. Second telescopic rod; 124. Clamping rod;

[0026] 13. Folding anti-magnetic plate; 131. First anti-magnetic plate; 132. Second anti-magnetic plate; 133. Accommodating cavity; 134. End;

[0027] 14. elastic member; 15. locking structure;

[0028] 20. Main body; 21. Input terminal; 22. Output terminal;

[0029] 30. Base. DETAILED DESCRIPTION

[0030] The present application will be further described in detail below in conjunction with the accompanying drawings and examples. It is particularly noted that the following examples are only intended to illustrate the present application and are not intended to limit the scope of the present application. Similarly, the following examples are only some examples of the present application and not all examples. All other examples obtained by those of ordinary skill in the art without creative work are intended to fall within the scope of protection of this application.

[0031] The terms "first", "second" and "third" in the embodiments of the present application are used only for descriptive purposes and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second" and "third" may explicitly or implicitly include at least one of such features. In the description of the present application, "multiple" means at least two, for example, two, three, etc., unless otherwise clearly and specifically defined. All directional indications in the embodiments of the present application (such as up, down, left, right, front, back...) are only used to explain the relative positional relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly. The terms "including" and "having" in the embodiments of the present application and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or components inherent to these processes, methods, products or devices.

[0032] References to "embodiments" herein mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0033] See also Figure 1 as well as Figure 2 , Figure 1 is a schematic diagram of the overall structure of the anti-interference device in some embodiments of the present application, Figure 2 yes Figure 1 Front view of an anti-interference device in an embodiment. The present application provides an anti-interference device 10, comprising a support assembly 11, a side stop assembly 12, and a folding anti-magnetic plate 13, wherein the side stop assembly 12 is slidably connected to the support assembly 11 along a first direction; the folding anti-magnetic plate 13 is made of an anti-magnetic material such as graphite, aluminum, or copper, and includes two oppositely disposed end portions 134, the distance between the two end portions 134 along the first direction being variable, at least one of the end portions 134 being fixedly connected to the side stop assembly 12. As the side stop assembly 12 slides relative to the support assembly 11, the folding anti-magnetic plate 13 folds or extends.

[0034] In the present application, by setting the side guard assembly 12 to be slidable relative to the support assembly 11 and driving the folding anti-magnetic plate 13 to fold or stretch, the volume of the anti-interference device 10 can be changed, so that the anti-interference device 10 can be covered on the outside of different types of communication equipment and the anti-interference device 10 can be installed on the communication equipment, making the anti-interference device 10 more applicable. The folding anti-magnetic plate 13 covering the surface of the communication equipment can shield the communication equipment from external electromagnetic interference. The folding design of the folding anti-magnetic plate 13 can increase the anti-electromagnetic area. Compared with the traditional planar anti-magnetism, the anti-magnetic area of the folding anti-magnetic plate 13 is larger, thereby improving the shielding effect of external electromagnetic signals.

[0035] Please continue reading Figure 1 , Figure 1 The Y direction represents the first direction, the X direction represents the second direction, and the Z direction represents the third direction. In some embodiments, the folded anti-magnetic plate 13 encloses a housing cavity 133. The folded anti-magnetic plate 13 includes a first anti-magnetic plate 131 and two oppositely disposed second anti-magnetic plates 132, with the first anti-magnetic plate 131 connected between the two second anti-magnetic plates 132. In this embodiment, both the first anti-magnetic plate 131 and the second anti-magnetic plate 132 can be extended or folded along the first direction. Opposite sides of the first anti-magnetic plate 131 form an opening of the housing cavity 133. When installing the anti-interference device 10 and the communication device, the side guard assembly 12 can be first stretched to drive the folded anti-magnetic plate 13 to extend until the length of the folded anti-magnetic plate 13 in the first direction is greater than the length of the communication device in the first direction. The communication device is then installed in the housing cavity 133 from the opening. The side guard assembly 12 then drives the folded anti-magnetic plate 13 to fold along the first direction until the side guard assembly 12 abuts the communication device.

[0036] In some embodiments, one end 134 of the folding anti-magnetic plate 13 is fixedly connected to the support assembly 11, and the other end 134 is fixedly connected to the side block assembly 12. The folding anti-magnetic plate 13 extends as the side block assembly 12 slides away from the support assembly 11 along the first direction, and folds as the side block assembly 12 slides toward the support assembly 11 along the first direction.

[0037] Please continue reading Figure 1 In some embodiments, both ends 134 of the foldable anti-magnetic plate 13 are fixedly connected to the side stop assembly 12. Specifically, the side stop assembly 12 includes two side stop components 120 disposed opposite each other. The two side stop components 120 correspond to and are fixedly connected to the two ends 134 of the foldable anti-magnetic plate 13, and the two side stop components 120 are respectively slidably connected to the support assembly 11 along a first direction. The foldable anti-magnetic plate 13 extends as the two side stop components 120 move away from each other in the first direction, and folds as the two side stop components 120 move toward each other in the first direction.

[0038] Furthermore, the support assembly 11 includes two groups of support components 110, which are arranged opposite to each other along a second direction, and the second direction is perpendicular to the first direction; each support component 110 includes two mounting rods 111 extending along the first direction and a support rod 112 fixedly connected between the two mounting rods 111, and each mounting rod 111 is slidably connected to two groups of side block components 120.

[0039] See also Figure 3 , Figure 3 yes Figure 1 Schematic cross-section of an anti-interference device in an embodiment. In some embodiments, an adjustment slot 1111 is provided on the mounting rod 111. The side blocking member 120 includes a slide rod 121 that slides along the adjustment slot 1111. An elastic member 14 is connected between the slide rod 121 and the mounting rod 111. The slide rod 121 can extend out of the adjustment slot 1111 under the action of an external force and return to its original position under the action of the elastic member 14. The elastic member 14 includes but is not limited to a spring, an elastic cord, a bellows, etc. The elastic member 14 is always maintained in a stretched state, so that the slide rod 121 always tends to retract into the adjustment slot 1111 after extending out of the adjustment slot 1111.

[0040] In this embodiment, each side blocking component 120 includes four sliding rods 121 . In other embodiments, the number of sliding rods 121 in each side blocking component 120 may be one or more, which is not specifically limited here.

[0041] Optionally, the number of the elastic members 14 is the same as the number of the sliding rods 121 and corresponds one to one, and both ends of each elastic member 14 are fixedly connected to the mounting rod 111 and the corresponding sliding rod 121 respectively.

[0042] Alternatively, in conjunction with an embodiment in which the two side guards 120 are disposed opposite each other, the two side guards 120 are symmetrically arranged. That is, the slide bars 121 of the two side guards 120 are disposed opposite each other, the number of slide bars 121 being twice the number of elastic members 14, and the ends of the elastic members 14 being fixedly connected to the two opposing slide bars 121. In this way, the two side guards 120 can interact with each other, sliding synchronously relative to the support assembly 11 and driving the foldable anti-magnetic plate 13 to extend or fold.

[0043] Please refer again Figure 1In some embodiments, the side block member 120 further includes a first connecting rod 122 and two second connecting rods 123 that are fixedly connected. The first connecting rod 122 is detachably fixedly connected to the first anti-magnetic plate 131 to facilitate replacement of a different first anti-magnetic plate 131. The two second connecting rods 123 are detachably fixedly connected to the two second anti-magnetic plates 132, respectively, to facilitate replacement of a different second anti-magnetic plate 132. The first connecting rod 122 and the two second connecting rods 123 are fixedly connected to the slide bar 121 and slide synchronously with the slide bar 121 along the adjustment slot 1111.

[0044] The removable fixed connection method can specifically be a bolt connection, a snap connection, or other connection structures familiar to those skilled in the art, as long as the first anti-magnetic plate 131 and the second anti-magnetic plate 132 can be quickly replaced. By adopting a removable fixed connection method between the first and second anti-magnetic plates 131, 132 and the side shield member 120, that is, a removable fixed connection between the folding anti-magnetic plate 13 and the side shield member 120, when the communication device faces different electromagnetic intensities in different scenarios, the folding anti-magnetic plate 13 can be flexibly replaced according to the specific electromagnetic intensity of the surrounding environment, thereby enabling the communication device to be used in a wider range of scenarios.

[0045] See also Figure 4 , Figure 4: is a partial structural diagram of an anti-interference device in another embodiment. In some embodiments, the first connecting rod 122 extends along the second direction and the first connecting rod 122 can be retracted and retracted along the second direction. Combined with the embodiment in which the first anti-magnetic plate 131 and the first connecting rod 122 are detachably and fixedly connected, when it is necessary to adapt to communication equipment of different widths, that is, when the length of the communication equipment in the second direction changes, the first connecting rod 122 can be adapted to the width of the first anti-magnetic plate 131 by replacing the first anti-magnetic plate 131 and retracting the first connecting rod 122. Exemplarily, the first connecting rod 122 includes a first telescopic rod 1222 and a first sleeve 1221. The first telescopic rod 1222 can be extended or retracted relative to the first sleeve 1221 to facilitate adjustment of the length of the first connecting rod 122, thereby adapting to communication equipment of different specifications. It should be noted that a locking structure 15 is provided between the first telescopic rod 1222 and the first sleeve 1221 of at least one first connecting rod 122. Specifically, the locking structure 15 may be an internal thread provided on the inner surface of the first sleeve 1221 and an external thread provided on the outer surface of the first telescopic rod 1222. The internal and external threads mate with each other, meaning that the first sleeve 1221 and the first telescopic rod 1222 are threadedly connected. This allows the length of the first connecting rod 122 to be adjusted within a certain range. Furthermore, the threaded connection provides both a fixed connection and support, resulting in a simple structure, high reliability, and ease of use. In other embodiments, the locking structure 15 may also be a pin and a pin hole. For example, the first telescopic rod 1222 may be provided with a plurality of pin holes spaced along the second direction, and the first sleeve 1221 may be connected to a pin. The pin is engaged with the pin holes at different positions to achieve telescopic movement of the first connecting rod 122.

[0046] It is understood that, in conjunction with the embodiment in which two side baffles 120 are relatively provided, two first connecting rods 122 are also symmetrically provided. When the length of the first connecting rods 122 needs to be adjusted, the lengths of the two first connecting rods 122 change synchronously. Therefore, it is only necessary to provide a locking structure 15 between the first telescopic rod 1222 and the first sleeve 1221 of one of the first connecting rods 122 to achieve synchronous locking of the two first connecting rods 122 and maintain the first connecting rods 122 at the desired length. Of course, to ensure the stability of the device, both first connecting rods 122 can be provided with a locking structure 15 so that the lengths of the first connecting rods 122 can be adjusted synchronously when necessary.

[0047] Please combine Figure 1 as well as Figure 4In some embodiments, the second connecting rod 123 extends along a third direction, with the first, second, and third directions being perpendicular to one another. The second connecting rod 123 is capable of retracting and expanding along the third direction. In combination with an embodiment in which the second anti-magnetic plate 132 is detachably fixedly connected to the second connecting rod 123, when it is necessary to accommodate communication devices of different heights, that is, when the length of the communication device in the third direction changes, the second connecting rod 123 can be adapted to the width of the second anti-magnetic plate 132 by replacing the second anti-magnetic plate 132 and extending and retracting the second connecting rod 123. Exemplarily, the second connecting rod 123 includes a second telescopic rod 1232 and a second sleeve 1231. The second telescopic rod 1232 can be extended or retracted relative to the second sleeve 1231 to facilitate adjustment of the length of the second connecting rod 123, thereby accommodating communication devices of different specifications. It should be noted that a locking structure 15 is provided between the second telescopic rod 1232 and the second sleeve 1231 of at least one second connecting rod 123. The locking structure 15 can specifically be an internal thread provided on the inner surface of the second sleeve 1231 and an external thread provided on the outer surface of the second telescopic rod 1232. The internal thread and the external thread match each other, that is, the second sleeve 1231 is threadedly connected to the second telescopic rod 1232, so that the length of the second connecting rod 123 can be adjusted within a certain range.

[0048] It is understood that since there are multiple second connecting rods 123, when the length of the second connecting rod 123 needs to be adjusted, the lengths of the multiple second connecting rods 123 change synchronously. Therefore, it is only necessary to provide a locking structure 15 between the second telescopic rod 1232 and the second sleeve 1231 of one of the second connecting rods 123 to achieve synchronous locking of the multiple second connecting rods 123 and maintain the second connecting rods 123 at the desired length. Of course, to ensure the stability of the device, the multiple second connecting rods 123 can be provided with a locking structure 15 so that the length of the second connecting rods 123 can be adjusted synchronously when the length needs to be adjusted.

[0049] In addition, in this embodiment, the distance between the two mounting rods 111 in the support component 110 needs to be adjusted simultaneously during the process of adjusting the length of the second connecting rod 123. Since the two mounting rods 111 are respectively fixedly connected to the support rod 112, it is only necessary to adjust the length of the support rod 112. Optionally, the support rod 112 in the support component 110 is detachably fixedly connected to the two mounting rods 111 by screws 113. Support rods 112 of various lengths can be pre-prepared for replacement. The connection between the support rod 112 and the mounting rod 111 by screws 113 can achieve rapid disassembly and assembly of the support rod 112 and the mounting rod 111, facilitating the replacement of support rods 112 of different lengths. Optionally, the support rod 112 extends along a third direction and is capable of telescoping along the third direction. The support rod 112 includes a third sleeve 1121 and a third telescopic rod 1122, and the third sleeve 1121 is threadedly connected to the third telescopic rod 1122.

[0050] See also Figure 5 as well as Figure 6 , Figure 5 is a schematic diagram of the overall structure of the filter in some embodiments of the present application, Figure 6 yes Figure 5 Schematic diagram of the structure of the filter body in the embodiment. In some embodiments, a filter is provided, comprising a body 20 and the aforementioned anti-interference device 10, wherein the anti-interference device 10 is covered on the outside of the body 20. The body 20 is a filter circuit composed of a capacitor, an inductor and a resistor. The body 20 can effectively filter out a specific frequency point in the power line or frequencies other than the frequency point, thereby obtaining a power signal of a specific frequency, or eliminating a power signal after a specific frequency is eliminated. An input terminal 21 and an output terminal 22 are respectively provided on opposite sides of the body 20, and the anti-interference component includes an implementation style of two relatively arranged side block components 120, and the two side block components 120 each include a clamping rod 124, which is directly or indirectly fixedly connected to the first connecting rod 122 and the second connecting rod 123. The clamping rods 124 of the two side block components 120 can be clamped at the input terminal 21 and the output terminal 22 of the body 20 respectively. The filter also includes a base 30, and the main body 20 is fixedly connected to the base 30 by bolts. The orthographic projection of the main body 20 in the XY plane falls within the orthographic projection range of the base 30 in the XY plane. The base 30 is arranged opposite to the first anti-magnetic plate 131. The base 30 can block the open side of the folded anti-magnetic plate 13 so that the base 30 and the folded anti-magnetic plate 13 jointly cover the surface of the main body 20 to exert anti-interference function and effectively shield external electromagnetic interference to the main body 20.

[0051] The above descriptions are only some embodiments of the present application and do not limit the scope of protection of the present application. Any equivalent device or equivalent process transformation made using the contents of the description and drawings of this application, or directly or indirectly applied in other related technical fields, are also included in the scope of patent protection of this application.

Claims

1. An anti-interference device, characterized in that: include: A support assembly, wherein the support assembly is slidably connected to the side stop assembly along a first direction; A folding anti-magnetic plate includes two ends arranged opposite to each other, the distance between the two ends along the first direction can be changed, at least one of the ends is fixedly connected to the side stop assembly, and as the side stop assembly slides relative to the support assembly, the folding anti-magnetic plate is folded or stretched.

2. The anti-interference device according to claim 1, characterized in that: The side block assembly includes two side block components arranged opposite to each other, the two side block components correspond to the two ends of the folding anti-magnetic plate one by one and are fixedly connected, and the two side block components are respectively slidably connected to the support assembly along the first direction.

3. The anti-interference device according to claim 2, characterized in that: The folded diamagnetic plate includes a first diamagnetic plate and two oppositely arranged second diamagnetic plates, wherein the first diamagnetic plate is connected between the two second diamagnetic plates.

4. The anti-interference device according to claim 3, characterized in that: The support assembly includes two groups of support components, which are arranged opposite to each other along a second direction, and the second direction is perpendicular to the first direction; each of the support components includes two mounting rods extending along the first direction and a support rod fixedly connected between the two mounting rods, and each of the mounting rods is slidably connected to the two groups of side block components.

5. The anti-interference device according to claim 4, characterized in that: An adjustment slot is provided on the mounting rod, and the side blocking component includes a slide rod, which slides along the adjustment slot. An elastic member is connected between the slide rod and the mounting rod, and the slide rod can extend out of the adjustment slot under the action of an external force and reset under the action of the elastic member.

6. The anti-interference device according to claim 5, characterized in that: The side block component also includes a first connecting rod and two second connecting rods that are fixedly connected. The first connecting rod is detachably fixedly connected to the first anti-magnetic plate, and the two second connecting rods are respectively detachably fixedly connected to the two second anti-magnetic plates. The first connecting rod and the two second connecting rods are fixedly connected to the sliding rod and slide synchronously with the sliding rod along the adjustment slot.

7. The anti-interference device according to claim 4, characterized in that: The support rod in each of the support components is detachably fixedly connected to the two mounting rods by screws.

8. The anti-interference device according to claim 6, characterized in that: The first connecting rod extends along the second direction and is capable of extending and retracting along the second direction.

9. The anti-interference device according to claim 8, characterized in that: The second connecting rod extends along a third direction, the first direction, the second direction and the third direction are perpendicular to each other, and the second connecting rod can be telescopic along the third direction.

10. A filter, characterized in that: It comprises a main body and the anti-interference device according to any one of claims 1 to 9, wherein the anti-interference device is covered on the outside of the main body.

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