CN111988942B

CN111988942B - Anti-interference filter with waterproof function

Info

Publication number: CN111988942B
Application number: CN202010993388.5A
Authority: CN
Inventors: 李稳良; 胡江为
Original assignee: Zhejiang Wenshan Electric Technology Co ltd
Current assignee: Jiaxing sine Electric Co.,Ltd.
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-10-01
Anticipated expiration: 2040-09-21
Also published as: CN111988942A

Abstract

The invention belongs to the technical field of filters, and particularly relates to an anti-interference filter with a waterproof function, which comprises a box body and a device body fixed in the box body, wherein a cavity is formed in the box body, an inner box is fixedly connected to the middle position in the cavity, two ends of the inner wall of the inner box are respectively provided with a limiting plate, the outer wall of each limiting plate is fixedly connected with a first spring, and the other end of each first spring is fixed on the inner wall of the inner box; the surface of the device body is radiated by the flowing of air, and then the moisture in the humid air is adsorbed and dried by the drying block, so that the device body can be protected in a waterproof manner while the device body is radiated, the phenomenon that the device body is short-circuited due to the fact that the humid air enters the fixed cavity and contacts with the device body is avoided, the device body can be protected in multiple ways, the device body is prevented from being damaged due to the fact that the device body is directly impacted by the impact force when the device body is impacted by the outside, and the device is high in practicability.

Description

Anti-interference filter with waterproof function

Technical Field

The invention belongs to the technical field of filters, and particularly relates to an anti-interference filter with a waterproof function.

Background

The filter is a filter circuit composed of a capacitor, an inductor and a resistor, and can effectively filter a frequency point of a specific frequency in a power line or frequencies except the frequency point to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency.

The prior art has the following problems:

the filter can receive the influence of environment and weather when using, especially in outdoor or moist environment, the anti jamming filter can cause the short circuit phenomenon because of appearing oozing water, the waterproof measure of current filter is mostly sealed the filter and is carried out waterproofly in a box body, however, seal the filter and can lead to the heat that the filter produced not to go out in a box body, can influence the life of filter equally, and, the filter has many unstable factors when outdoor use, easily receives the foreign object collision, and the filter receives to appear damaging easily after the collision, the use of filter has been influenced.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an anti-interference filter with a waterproof function, which has the characteristics of waterproofness and anticollision.

In order to achieve the purpose, the invention provides the following technical scheme: the anti-interference filter with the waterproof function comprises a box body and a device body fixed in the box body, wherein a cavity is formed in the box body, an inner box is fixedly connected to the middle position in the cavity, limiting plates are arranged at two ends of the inner wall of the inner box, a first spring is fixedly connected to the outer wall of each limiting plate, the other end of each first spring is fixed to the inner wall of the inner box, each limiting plate is elastically connected with the inner box through the corresponding first spring, a fixed cavity is formed between the two limiting plates in the inner box, the device body is fixed in the fixed cavity, radiating fans are fixedly connected to two ends of the outer wall of the inner box, the output ends of the radiating fans are communicated with the fixed cavity, the fixed cavity is communicated with the cavity through the corresponding radiating fans, two symmetrical clamping plates are fixedly connected to two ends of the inner box in the cavity respectively, a clamping cavity is arranged between the two clamping plates, a plurality of second through holes are arranged on the outer walls of the two clamping plates, the clamping cavity is communicated with the cavity through the second through hole, a drying block is clamped and fixed in the clamping cavity, a plurality of air holes are uniformly arranged on the outer wall of the drying block and communicated with the cavity through the second through holes, the top of the box body is hinged with a box cover, the outer wall of the box cover is fixedly connected with a first pressing plate at a position corresponding to the fixed cavity, the first pressing plate extends to the inside of the fixed cavity and is tightly attached to the top of the box body, the position of the outer wall of the box cover corresponding to the clamping cavity is fixedly connected with a second pressing plate, the second pressing plate extends to the inside of the clamping cavity and is tightly attached to the top of the drying block, and the cooling fan is electrically connected with an external power supply.

Preferably, a plurality of the ventilation holes and the second ventilation holes are distributed in a crossed manner.

Preferably, a plurality of first through holes are uniformly formed in the limiting plate, and the fixed cavity is communicated with the heat dissipation fan through the first through holes.

Preferably, the bottom of the clamping cavity is provided with a clamping groove matched with the drying block, and the drying block is clamped and fixed between the two clamping plates through the clamping groove.

Preferably, the outer wall of the box cover is fixedly connected with a hinge shaft, the other end of the hinge shaft is fixed on the outer wall of the box body, and the box cover is hinged to the top of the box body through the hinge shaft.

Preferably, the top of the clamping plate and the top of the inner box are flush with the opening of the box body, and the box cover is tightly attached to the top of the inner box and the top of the clamping plate.

Preferably, the outer wall of the first pressing plate is fixedly connected with a second spring, the other end of the second spring is fixed on the outer wall of the box cover, and the first pressing plate is elastically connected with the box cover through the second spring and extends to the inside of the fixed cavity.

Preferably, the two ends of the outer wall of the second pressing plate are fixedly connected with sealing plates, one ends of the two sealing plates, which are far away from the second pressing plate, are tightly attached to the inner side of the clamping plate, and the sealing plates are made of rubber.

Preferably, heat dissipation holes are formed in two ends of the outer wall of the box body, and the cavity is communicated with the outside through the heat dissipation holes.

Preferably, the drying block is located inside the clamping cavity and does not contact the clamping plate.

Compared with the prior art, the invention has the beneficial effects that:

in the invention, the device body is fixed in the fixed cavity, when in use, a worker places the device body in the fixed cavity, the device body is clamped and fixed by the limiting plates at two sides under the action of the first spring, the size of the fixed cavity can be adjusted according to different types of filters, so that different types of filters are fixed, after the device body is fixed, the worker rotates the box cover through the hinge shaft, the first pressing plate is tightly attached to the top of the device body under the action of the second spring to tightly press the device body, the device body is further fixed, the firmness of the device body is improved, meanwhile, the second pressing plate extends into the clamping cavity and is tightly attached to the top of the drying block, so that the drying block is sealed in the clamping cavity, and in the use process, the heat dissipation fan can drive air in the cavity into the fixed cavity through the first through hole and drive the air in the fixed cavity to flow, the surface of the device body is radiated, air entering the cavity from the radiating holes can enter the clamping cavity from the second through holes to be in contact with the drying block, moisture in humid air is adsorbed and dried by the drying block, the device body can be protected in a waterproof mode while the device body is radiated, the situation that the device body is short-circuited due to the fact that the humid air enters the fixing cavity to be in contact with the device body is avoided, the practicability is high, the device body is fixed in the inner box, the device body in the inner box is protected by the box body and the clamping plate which surround the device body, the multiple protection effects can be achieved on the device body, the situation that the device body is directly damaged by collision force when the device body is collided with the outside is avoided, and the practicability is high.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of a drying block and a holding plate according to the present invention;

FIG. 3 is a schematic structural view of the interior of the case body according to the present invention;

fig. 4 is a schematic structural view of a second pressing plate and a clamping plate in the present invention.

In the figure: 1. a box body; 101. a cavity; 102. heat dissipation holes; 11. an inner case; 111. a fixed cavity; 12. a limiting plate; 121. a first spring; 122. a first through hole; 13. a heat radiation fan; 14. a clamping plate; 141. a clamping cavity; 142. a card slot; 143. a second through hole; 15. drying the blocks; 151. air holes are formed; 16. a box cover; 161. a hinge leaf shaft; 17. a first platen; 171. a second spring; 18. a second platen; 181. a sealing plate; 2. a container body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: an anti-interference filter with a waterproof function comprises a box body 1 and a device body 2 fixed in the box body, wherein a cavity 101 is formed in the box body 1, an inner box 11 is fixedly connected to the middle position in the cavity 101, two ends of the inner wall of the inner box 11 are respectively provided with a limiting plate 12, the outer wall of each limiting plate 12 is fixedly connected with a first spring 121, the other end of each first spring 121 is fixed on the inner wall of the inner box 11, the limiting plates 12 are elastically connected with the inner box 11 through the first springs 121, a fixed cavity 111 is formed between the two limiting plates 12 in the inner box 11, the device body 2 is fixed in the fixed cavity 111, two ends of the outer wall of the inner box 11 are respectively and fixedly connected with a radiating fan 13, the output end of the radiating fan 13 is communicated with the fixed cavity 111, the fixed cavity 111 is communicated with the cavity 101 through the radiating fan 13, two symmetrical clamping plates 14 are respectively and fixedly connected to two ends of the inner box 11 in the cavity 101, a clamping cavity 141 is arranged between the two clamping plates 14, a plurality of second through holes 143 are formed on the outer walls of the two clamping plates 14, the clamping cavity 141 is communicated with the cavity 101 through the second through holes 143, a drying block 15 is fixedly clamped inside the clamping cavity 141, a plurality of air holes 151 are uniformly formed in the outer wall of the drying block 15, the air holes 151 are communicated with the cavity 101 through the second through holes 143, a box cover 16 is hinged to the top of the box body 1, a first pressing plate 17 is fixedly connected to the position, corresponding to the fixing cavity 111, of the outer wall of the box cover 16, the first pressing plate 17 extends to the inside of the fixing cavity 111 and clings to the top of the box body 2, a second pressing plate 18 is fixedly connected to the position, corresponding to the clamping cavity 141, the second pressing plate 18 extends to the inside of the clamping cavity 141 and clings to the top of the drying block 15, and the cooling fan 13 is electrically connected with an external power supply.

In this embodiment: an inner box 11 is fixedly connected at the middle position inside the cavity 101, two ends of the inner wall of the inner box 11 are respectively provided with a limiting plate 12, the outer wall of the limiting plate 12 is fixedly connected with a first spring 121, the other end of the first spring 121 is fixed on the inner wall of the inner box 11, the limiting plate 12 is elastically connected with the inner box 11 through the first spring 121, a fixed cavity 111 is arranged between the two limiting plates 12 inside the inner box 11, the device body 2 is fixed inside the fixed cavity 111, when in use, a worker places the device body 2 in the fixed cavity 111, the limiting plates 12 on two sides clamp and fix the device body 2 under the action of the first spring 121, the size of the fixed cavity 111 can be adjusted according to different types of filters, so as to fix different types of filters, two ends of the outer wall of the inner box 11 are respectively and fixedly connected with a heat radiation fan 13, the output end of the heat radiation fan 13 is communicated with the fixed cavity 111, the fixed cavity 111 is communicated with the cavity 101 through the heat radiation fan 13, two symmetrical clamping plates 14 are fixedly connected to two ends of the inner box 11 in the cavity 101 respectively, a clamping cavity 141 is arranged between the two clamping plates 14, a plurality of second through holes 143 are formed on outer walls of the two clamping plates 14, the clamping cavity 141 is communicated with the cavity 101 through the second through holes 143, a drying block 15 is fixedly clamped in the clamping cavity 141, a plurality of vent holes 151 are uniformly formed on the outer wall of the drying block 15, the vent holes 151 are communicated with the cavity 101 through the second through holes 143, in the using process, the heat radiation fan 13 can drive air in the cavity 101 to the fixed cavity 111 through the first through holes 122 and drive air in the heat radiation holes 111 of the fixed cavity to flow, the surface of the device body 2 plays a heat radiation role, and the air entering the cavity 101 from the cavity 102 can enter the clamping cavity 141 through the second through holes 143 to contact with the drying block 15, the drying block 15 adsorbs and dries moisture in humid air, the device body 2 can be protected in a waterproof way while the device body 2 is radiated, the situation that the humid air enters the fixed cavity 111 and contacts with the device body 2 to cause short circuit of the device body 2 is avoided, the practicability is strong, the top of the box body 1 is hinged with the box cover 16, the position, corresponding to the fixed cavity 111, of the outer wall of the box cover 16 is fixedly connected with the first pressing plate 17, the first pressing plate 17 extends into the fixed cavity 111 and clings to the top of the device body 2, the position, corresponding to the clamping cavity 141, of the outer wall of the box cover 16 is fixedly connected with the second pressing plate 18, the second pressing plate 18 extends into the clamping cavity 141 and clings to the top of the drying block 15, after the device body 2 is fixed, a worker rotates the box cover 16 through the hinge leaf shaft 161 to enable the first pressing plate 17 to cling to the top of the device body 2 to tightly press the device body 2 under the action of the second spring 171, can further fix the ware body 2, improve the fastness of the ware body 2, simultaneously, second clamp plate 18 extends to in the centre gripping chamber 141 and hugs closely at the top of dry piece 15, can compress tightly dry piece 15 in draw-in groove 142, seals dry piece 15 in centre gripping chamber 141 by two sealing plates 181 and second clamp plate 18, and the dry piece 15 of being convenient for is carried out the drying to the air in the centre gripping chamber 141, and the practicality is strong.

Specifically, the plurality of air holes 151 and the second air holes 143 are distributed in a cross manner; the air in the cavity 101 can enter the holding cavity 141 through the second through hole 143, and the moisture in the air is adsorbed and dried by the drying block 15, and the dried air is allowed to flow out of the ventilation hole 151.

Specifically, the limiting plate 12 is uniformly provided with a plurality of first through holes 122, and the fixing cavity 111 is communicated with the cooling fan 13 through the first through holes 122; the heat dissipation fan 13 can drive the air in the cavity 101 to the fixing cavity 111 through the first through hole 122 and drive the air in the fixing cavity 111 to flow, so as to dissipate heat from the surface of the device body 2.

Specifically, the bottom of the clamping cavity 141 is provided with a clamping groove 142 matched with the drying block 15, and the drying block 15 is clamped and fixed between the two clamping plates 14 through the clamping groove 142; the drying block 15 is engaged and fixed in the engaging groove 142 without contacting the holding plate 14, so that it is possible to prevent the drying block 15 from blocking the second through hole 143 and causing air leakage.

Specifically, the outer wall of the box cover 16 is fixedly connected with a hinge leaf shaft 161, the other end of the hinge leaf shaft 161 is fixed on the outer wall of the box body 1, and the box cover 16 is hinged on the top of the box body 1 through the hinge leaf shaft 161; the staff rotates the box cover 16 through the hinge shaft 161, so that the box cover 16 is tightly attached to the top of the box body 1, the inner box 11 and the clamping plate 14, and good sealing performance is achieved.

Specifically, the tops of the clamping plate 14 and the inner box 11 are flush with the opening of the box body 1, and the box cover 16 is tightly attached to the tops of the inner box 11 and the clamping plate 14; the staff rotates the box cover 16 through the hinge shaft 161, so that the box cover 16 is tightly attached to the top of the box body 1, the inner box 11 and the clamping plate 14, and good sealing performance is achieved.

Specifically, the outer wall of the first pressing plate 17 is fixedly connected with a second spring 171, the other end of the second spring 171 is fixed on the outer wall of the box cover 16, and the first pressing plate 17 is elastically connected with the box cover 16 through the second spring 171 and extends into the fixing cavity 111; the first pressing plate 17 is tightly attached to the top of the device body 2 under the action of the second spring 171 to press the device body 2 tightly, so that the device body 2 can be further fixed, and the firmness of the device body 2 is improved.

Specifically, the two ends of the outer wall of the second pressure plate 18 are fixedly connected with sealing plates 181, one ends of the two sealing plates 181 far away from the second pressure plate 18 are tightly attached to the inner side of the clamping plate 14, and the sealing plates 181 are made of rubber; the drying block 15 is sealed in the clamping cavity 141 by the two sealing plates 181 and the second pressing plate 18, so that the drying block 15 can dry air in the clamping cavity 141 conveniently, and the practicability is strong.

Specifically, heat dissipation holes 102 are formed in two ends of the outer wall of the box body 1, and the cavity 101 is communicated with the outside through the heat dissipation holes 102; external air can enter the cavity 101 from the heat radiation holes 102 and is dried by the drying block 15, so that the circulation of the air is ensured, and the heat radiation effect of the device body 2 is improved.

Specifically, the drying block 15 is located inside the holding chamber 141 and does not contact the holding plate 14; the drying block 15 is engaged and fixed in the engaging groove 142 without contacting the holding plate 14, so that it is possible to prevent the drying block 15 from blocking the second through hole 143 and causing air leakage.

The working principle and the using process of the invention are as follows: when in use, a worker places the device body 2 in the fixing cavity 111, the limiting plates 12 on two sides clamp and fix the device body 2 under the action of the first spring 121, the size of the fixing cavity 111 can be adjusted according to different types of filters, so as to fix different types of filters, after the device body 2 is fixed, the worker rotates the box cover 16 through the hinge shaft 161, the first pressing plate 17 clings to the top of the device body 2 under the action of the second spring 171 to press the device body 2 tightly, the device body 2 can be further fixed, the firmness of the device body 2 is improved, meanwhile, the second pressing plate 18 extends into the clamping cavity 141 and clings to the top of the drying block 15 tightly, the drying block 15 can be pressed in the clamping groove 142, the drying block 15 is sealed in the clamping cavity 141 by the two sealing plates 181 and the second pressing plate 18, so that the drying block 15 can dry the air in the clamping cavity 141, in the using process, the heat dissipating fan 13 can work to drive the air in the cavity 101 to the fixed cavity 111 through the first through hole 122 and drive the air in the fixed cavity 111 to flow, so as to dissipate the heat of the surface of the device body 2, the air entering the cavity 101 from the heat dissipating hole 102 can enter the clamping cavity 141 from the second through hole 143 to contact with the drying block 15, the drying block 15 can absorb and dry the moisture in the humid air, the device body 2 can be protected in a waterproof way while dissipating the heat of the device body 2, the short circuit of the device body 2 caused by the contact of the humid air entering the fixed cavity 111 and the device body 2 is avoided, moreover, the device body 2 is fixed in the inner box 11, the device body 2 in the inner box 11 is protected by the box body 1 and the clamping plate 14 surrounding the outside of the device body 2, the multiple protection effect on the device body 2 is achieved, and the situation that the device body 2 is directly damaged by the external impact is avoided, the practicability is strong.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Anti-interference filter with waterproof function, including box body (1) and fix its inside ware body (2), its characterized in that: the box body is characterized in that a cavity (101) is formed in the box body (1), an inner box (11) is fixedly connected to the middle position of the inside of the cavity (101), limiting plates (12) are arranged at two ends of the inner wall of the inner box (11), a first spring (121) is fixedly connected to the outer wall of each limiting plate (12), the other end of each first spring (121) is fixed to the inner wall of the inner box (11), each limiting plate (12) is elastically connected with the inner box (11) through the corresponding first spring (121), a fixed cavity (111) is formed between the two limiting plates (12) and located inside the inner box (11), the box body (2) is fixed inside the fixed cavity (111), cooling fans (13) are fixedly connected to two ends of the outer wall of the inner box (11), and the output end of each cooling fan (13) is communicated with the fixed cavity (111), the fixed cavity (111) is communicated with the cavity (101) through the cooling fan (13), two symmetrical clamping plates (14) are fixedly connected to two ends of the inner box (11) respectively in the cavity (101), a clamping cavity (141) is arranged between the two clamping plates (14), a plurality of second through holes (143) are formed in the outer walls of the two clamping plates (14), the clamping cavity (141) is communicated with the cavity (101) through the second through holes (143), a drying block (15) is fixedly clamped in the clamping cavity (141), a plurality of air holes (151) are uniformly formed in the outer wall of the drying block (15), the air holes (151) are communicated with the cavity (101) through the second through holes (143), and a box cover (16) is hinged to the top of the box body (1), a first pressing plate (17) is fixedly connected to a position, corresponding to the fixed cavity (111), of the outer wall of the box cover (16), the first pressing plate (17) extends into the fixed cavity (111) and clings to the top of the device body (2), a second pressing plate (18) is fixedly connected to a position, corresponding to the clamping cavity (141), of the outer wall of the box cover (16), the second pressing plate (18) extends into the clamping cavity (141) and clings to the top of the drying block (15), and the cooling fan (13) is electrically connected with an external power supply;

the plurality of air holes (151) and the second through holes (143) are distributed in a crossed manner;

a plurality of first through holes (122) are uniformly formed in the limiting plate (12), and the fixing cavity (111) is communicated with the heat dissipation fan (13) through the first through holes (122);

the bottom of the clamping cavity (141) is provided with a clamping groove (142) matched with the drying block (15), and the drying block (15) is clamped and fixed between the two clamping plates (14) through the clamping groove (142);

the outer wall of the box cover (16) is fixedly connected with a hinge leaf shaft (161), the other end of the hinge leaf shaft (161) is fixed on the outer wall of the box body (1), and the box cover (16) is hinged to the top of the box body (1) through the hinge leaf shaft (161);

the tops of the clamping plate (14) and the inner box (11) are flush with the opening of the box body (1), and the box cover (16) is tightly attached to the tops of the inner box (11) and the clamping plate (14);

a second spring (171) is fixedly connected to the outer wall of the first pressing plate (17), the other end of the second spring (171) is fixed to the outer wall of the box cover (16), and the first pressing plate (17) is elastically connected with the box cover (16) through the second spring (171) and extends into the fixing cavity (111);

sealing plates (181) are fixedly connected to two ends of the outer wall of the second pressing plate (18), one ends, far away from the second pressing plate (18), of the two sealing plates (181) are tightly attached to the inner side of the clamping plate (14), and the sealing plates (181) are made of rubber;

heat dissipation holes (102) are formed in two ends of the outer wall of the box body (1), and the cavity (101) is communicated with the outside through the heat dissipation holes (102);

the drying block (15) is located inside the clamping cavity (141) and does not contact the clamping plate (14).