CN216055098U

CN216055098U - Band-pass filter with anti-interference function

Info

Publication number: CN216055098U
Application number: CN202122644186.2U
Authority: CN
Inventors: 张启明; 孙亚明; 郭俊浩; 李金州; 陈济晖
Original assignee: Tianshui Huawei Microwave Device Co ltd
Current assignee: Tianshui Huawei Microwave Device Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-15
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a band-pass filter with anti-interference function, belonging to the technical field of filter, the technical proposal key point of the band-pass filter comprises a lower shell, a heat conducting plate is fixedly connected in the lower shell, four clamping blocks are fixedly connected on the upper end surface of the heat conducting plate, the upper end surface of the lower shell is tightly attached with an upper shell, the left and right sides of the lower end surface of the upper shell are both provided with second arc-shaped openings matched with interfaces, the left and right sides of the upper end surface of the lower shell are both provided with first arc-shaped openings matched with the second arc-shaped openings, the upper end surface of a second connecting plate is detachably connected with a plurality of bolts, thereby achieving the effect of conveniently and rapidly mounting and dismounting the filter body and an anti-interference shell, being convenient for fastening and fixing two interface cards, being convenient for automatically detecting the temperature of the filter body and controlling the heat dissipation, and make outside air evenly blow and dispel the heat to the wave filter body, improved the radiating efficiency of wave filter body.

Description

Band-pass filter with anti-interference function

Technical Field

The utility model relates to the technical field of filters, in particular to a band-pass filter with an anti-interference function.

Background

At present, a band-pass filter is a device which allows waves in a specific frequency band to pass through while shielding other frequency bands, for example, an RLC oscillation circuit is an analog band-pass filter, an ideal band-pass filter should have a completely flat pass band, no amplification or attenuation exists in the pass band, all frequencies outside the pass band are completely attenuated, and in addition, conversion outside the pass band is completed in a very small frequency range, and high-frequency interference exists in use.

The band-pass filter who has anti-interference function now, inconvenient installs fast and dismantles between wave filter and the anti-interference shell, and inconvenient two interface card fastening are fixed to inconvenient automatic control fan is opened the heat dissipation and is made the outside air evenly blow and dispel the heat to the wave filter, has reduced the radiating efficiency of wave filter.

SUMMERY OF THE UTILITY MODEL

The present invention provides a band-pass filter with anti-interference function to solve the above problems.

The utility model is realized in such a way, the band-pass filter with the anti-interference function comprises a lower shell, a heat conducting plate is fixedly connected in the lower shell, four clamping blocks are fixedly connected on the upper end surface of the heat conducting plate, a filter body is placed on the upper end surface of the heat conducting plate, interfaces are respectively arranged on the left side and the right side of the filter body, the inner side walls of the four clamping blocks are tightly attached to the outer side wall of the filter body, an upper shell is tightly attached to the upper end surface of the lower shell, second arc-shaped openings matched with the interfaces are respectively arranged on the left side and the right side of the lower end surface of the upper shell, first arc-shaped openings matched with the second arc-shaped openings are respectively arranged on the left side and the right side of the upper end surface of the lower shell, second connecting plates are fixedly connected to the lower ends of the front side and the rear side of the upper shell, and first connecting plates are fixedly connected to the upper ends of the front side and the rear side of the lower shell, the two first connecting plates are detachably connected with the two second connecting plates through a plurality of bolts;

the utility model discloses a temperature sensing device, including casing, heat-conducting plate, last casing, fixed cylinder, last casing, last terminal surface, the last terminal surface of mounting box runs through and sets up with fixed cylinder assorted air intake, temperature sensing module is installed to the lower terminal surface of heat-conducting plate, control module is installed in the inside bottom left side of casing down, be electric connection between temperature sensing module, the control module and the fan.

In order to facilitate the dust carried in the air entering the upper shell and the lower shell and the moisture drying treatment, as an optimal choice of the band-pass filter with the anti-interference function, the upper end surface of the fixed cylinder is provided with a second dust filter plate, the inside of the fixed cylinder is fixedly connected with a filter plate, and a drying agent is filled between the second dust filter plate and the filter plate.

In order to facilitate replacement and maintenance of the fan in the fixed cylinder, the band-pass filter with the anti-interference function is preferably used, the lower end of the outer side wall of the fixed cylinder is fixedly connected with the fixed ring, the upper end face of the fixed ring is detachably connected with a plurality of screws, and the fixed cylinder is detachably connected with the upper shell through the fixed ring and the plurality of screws.

In order to prevent external dust and mosquitoes from entering the housing through the exhaust port, the band-pass filter with the anti-interference function is preferably used, and the inner side wall of the exhaust port is fixedly connected with the first dust filtering plate.

In order to facilitate installation of the device and a relevant position, the band-pass filter with the anti-interference function is preferably used as the band-pass filter with the anti-interference function, the left side and the right side of the lower end face of the lower shell are fixedly connected with supporting frames, and a plurality of installation holes are formed in the upper end faces of the two supporting frames in a penetrating mode.

Compared with the prior art, the utility model has the beneficial effects that:

the band-pass filter with the anti-interference function is characterized in that the outer side walls of the upper shell and the lower shell are fixed with anti-interference layers made of multi-wall carbon nanotube materials, the filter body is placed on the upper end of the heat conducting plate when being installed with the shell, and is positioned between the four clamping blocks, and the two interfaces are respectively clamped into the two first arc-shaped openings, then the upper shell is attached to the upper end of the lower shell, the two second arc-shaped openings are tightly clamped to the upper ends of the outer walls of the two connectors, then, bolts are screwed into the aligned connecting holes of the first connecting plate and the second connecting plate, so that the filter body is assembled, the steps are reversely operated during disassembly, thereby reached the convenience and carried out quick installation and the effect of dismantling between wave filter body and the anti-interference shell to be convenient for fix two interface card fastenings.

In the use, the wave filter body produces heat-conduction to the heat-conducting plate on, when the heat-conducting plate is overheated, the information transfer that temperature sensing module will detect gives control module, control module control fan opens, outside air passes through the solid fixed cylinder suction, and enter into the mounting box through the air intake, evenly blow to the wave filter body through a plurality of outlet ducts immediately, and pass through the gas vent with steam and discharge, thereby reached the temperature and the radiating effect of control that make things convenient for the automated inspection wave filter body, and make outside air evenly blow and dispel the heat to the wave filter body, the radiating efficiency of wave filter body has been improved.

Drawings

Fig. 1 is a structural diagram of a bandpass filter with anti-interference function according to the present invention;

FIG. 2 is a cross-sectional view of a band-pass filter with anti-interference function according to the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

fig. 4 is a structural view of the heat-conducting plate of the present invention.

In the figure, 1, a lower shell; 101. a first arcuate opening; 102. a support frame; 103. mounting holes; 104. a first connecting plate; 105. an exhaust port; 106. a first dust filter plate; 2. an upper housing; 201. a second arcuate opening; 202. a second connecting plate; 203. a bolt; 3. a fixed cylinder; 301. a screw; 302. a second dust filter plate; 303. filtering the plate; 304. a desiccant; 305. mounting a plate; 306. opening a hole; 307. a fan; 308. a fixing ring; 4. a filter body; 401. an interface; 5. a heat conducting plate; 501. a temperature sensing module; 502. a control module; 503. a clamping block; 504. a heat dissipation port; 6. mounting a box; 601. an air outlet pipe; 602. and an air inlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, a band pass filter with anti-interference function comprises a lower casing 1, a heat conducting plate 5 fixedly connected to the inside of the lower casing 1, four clamping blocks 503 fixedly connected to the upper end surface of the heat conducting plate 5, a filter body 4 disposed on the upper end surface of the heat conducting plate 5, interfaces 401 mounted on the left and right sides of the filter body 4, the inner side walls of the four clamping blocks 503 are tightly attached to the outer side wall of the filter body 4, an upper casing 2 is tightly attached to the upper end surface of the lower casing 1, second arc openings 201 matched with the interfaces 401 are formed on the left and right sides of the lower end surface of the upper casing 2, first arc openings 101 matched with the second arc openings 201 are formed on the left and right sides of the upper end surface of the lower casing 1, second connecting plates 202 are fixedly connected to the lower ends of the front and rear sides of the upper casing 2, first connecting plates 104 are fixedly connected to the upper ends of the front and rear sides of the lower casing 1, the two first connecting plates 104 are detachably connected with the two second connecting plates 202 through a plurality of bolts 203;

lower casing 1 and heat-conducting plate 5's lower terminal surface runs through respectively and has seted up gas vent 105 and thermovent 504, the up end intercommunication of going up casing 2 has solid fixed cylinder 3, gu fixed cylinder 3's inside fixedly connected with mounting panel 305, the up end of mounting panel 305 runs through and has seted up a plurality of trompils 306, fan 307 is installed to the lower terminal surface of mounting panel 305, go up casing 2's inside top fixedly connected with mounting box 6, the lower terminal surface intercommunication of mounting box 6 has a plurality of evenly distributed's outlet duct 601, the up end of mounting box 6 runs through and sets up and gu fixed cylinder 3 assorted air intake 602, temperature sensing module 501 is installed to the lower terminal surface of heat-conducting plate 5, control module 502 is installed on the left side of the inside bottom of lower casing 1, temperature sensing module 501, be electric connection between control module 502 and the fan 307.

In this embodiment: the outer side walls of the upper shell 2 and the lower shell 1 are fixed with anti-interference layers made of multi-wall carbon nanotube materials, the filter body 4 is provided with anti-interference function, when the filter body 4 is installed with the shell, the filter body 4 is placed on the upper end of the heat conducting plate 5, and is located between the four clamping blocks 503, and the two interfaces 401 are respectively clamped into the two first arc-shaped openings 101, then the upper shell 2 is attached to the upper end of the lower shell 1, the two second arc-shaped openings 201 are tightly clamped to the upper ends of the outer walls of the two connectors 401, bolts 203 are then threaded into the aligned attachment holes of the first and

second attachment plates

104 and 202, and then accomplish the installation to filter body 4, reverse operation above-mentioned step during the dismantlement to reach the convenient effect of installing fast and dismantling between filter body 4 and the anti-interference shell, and be convenient for with two interface 401 chucking fixed.

In the use, the heat conduction that filter body 4 produced is to heat-conducting plate 5 on, when heat-conducting plate 5 was overheated, temperature sensing module 501 gives control module 502 with the information transfer that detects, control module 502 control fan 307 is opened, outside air passes through solid fixed cylinder 3 suction, and enter into the mounting box 6 through air intake 602, evenly blow to filter body 4 through a plurality of outlet ducts 601 immediately, and discharge steam through gas vent 105, thereby reached the temperature that makes things convenient for automatic detection filter body 4 and control radiating effect, and make outside air evenly blow and dispel the heat to filter body 4, the radiating efficiency to filter body 4 has been improved.

As a technical optimization scheme of the present invention, a second dust filter 302 is installed on the upper end surface of the fixed cylinder 3, a filter plate 303 is fixedly connected inside the fixed cylinder 3, and a drying agent 304 is filled between the second dust filter 302 and the filter plate 303.

In this embodiment: when outside air gets into in the fixed cylinder 3, the dust in the air filters through second dust filter 302, and moisture in the air passes through drier 304 dry to reach the effect of conveniently filtering and moisture drying the dust that carries in the air that gets into in upper housing 2 and the lower casing 1.

As a technical optimization scheme of the present invention, the lower end of the outer side wall of the fixed cylinder 3 is fixedly connected with a fixed ring 308, the upper end surface of the fixed ring 308 is detachably connected with a plurality of screws 301, and the fixed cylinder 3 and the upper housing 2 are detachably connected through the fixed ring 308 and the plurality of screws 301.

In this embodiment: when the fan 307 is maintained and replaced, the plurality of screws 301 are screwed, the fixed cylinder 3 is detached, and the fan 307 is replaced or maintained, so that the effect of conveniently replacing and maintaining the fan 307 in the fixed cylinder 3 is achieved.

As a technical optimization scheme of the present invention, the inner side wall of the exhaust port 105 is fixedly connected with a first dust filter 106.

In this embodiment: the first dust filter 106 prevents external dust and mosquitoes from entering the housing through the air outlet 105.

As a technical optimization scheme of the utility model, the left and right sides of the lower end surface of the lower shell 1 are fixedly connected with the support frames 102, and the upper end surfaces of the two support frames 102 are provided with a plurality of mounting holes 103 in a penetrating manner.

In this embodiment: the device is supported by the support frame 102, and the connecting parts are screwed in the mounting holes 103, so that the device and the relevant position can be conveniently mounted.

The working principle and the using process of the utility model are as follows: the outer side walls of the upper shell 2 and the lower shell 1 are fixed with anti-interference layers made of multi-wall carbon nanotube materials, so that anti-interference effect is provided for the use of the filter body 4, when the filter body 4 and the shell are installed, the filter body 4 is placed at the upper end of the heat conducting plate 5 and is positioned between the four clamping blocks 503, meanwhile, the two interfaces 401 are respectively clamped into the two first arc-shaped openings 101, then the upper shell 2 is attached to the upper end of the lower shell 1, the two second arc-shaped openings 201 are clamped to the upper ends of the outer walls of the two interfaces 401, then bolts 203 are screwed into the aligned connecting holes of the first connecting plate 104 and the second connecting plate 202, so that the installation of the filter body 4 is completed, the steps are reversely operated during disassembly, in the using process, heat generated by the filter body 4 is conducted onto the heat conducting plate 5, when the heat conducting plate 5 is overheated, the temperature sensing module 501 transmits the detected information to the control module 502, the control module 502 controls the fan 307 to be opened, external air is sucked in through the fixed cylinder 3, when the external air enters the fixed cylinder 3, dust in the air is filtered through the second dust filtering plate 302, moisture in the air is dried through the drying agent 304 and enters the mounting box 6 through the air inlet 602, then the dust is uniformly blown to the filter body 4 through the plurality of air outlet pipes 601, hot air is discharged through the air outlet 105, when the fan 307 is maintained and replaced, the plurality of screws 301 are screwed, the fixed cylinder 3 is detached to replace or maintain the fan 307.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A band-pass filter with anti-interference function, comprising:

the filter comprises a lower shell (1), a heat conducting plate (5) is fixedly connected inside the lower shell (1), four clamping blocks (503) are fixedly connected to the upper end face of the heat conducting plate (5), a filter body (4) is placed on the upper end face of the heat conducting plate (5), interfaces (401) are installed on the left side and the right side of the filter body (4), the inner side walls of the four clamping blocks (503) are tightly attached to the outer side wall of the filter body (4), an upper shell (2) is tightly attached to the upper end face of the lower shell (1), second arc-shaped openings (201) matched with the interfaces (401) are formed in the left side and the right side of the lower end face of the upper shell (2), first arc-shaped openings (101) matched with the second arc-shaped openings (201) are formed in the left side and the right side of the upper end face of the lower shell (1), second connecting plates (202) are fixedly connected to the lower ends of the front side and the rear side of the upper shell (2), the upper ends of the front side and the rear side of the lower shell (1) are fixedly connected with first connecting plates (104), and the two first connecting plates (104) are detachably connected with the two second connecting plates (202) through a plurality of bolts (203);

the lower casing (1) and the lower end face of the heat conducting plate (5) are respectively provided with an exhaust port (105) and a heat dissipation port (504) in a penetrating mode, the upper end face of the upper casing (2) is communicated with the fixed cylinder (3), the inner part of the fixed cylinder (3) is fixedly connected with the mounting plate (305), the upper end face of the mounting plate (305) is provided with a plurality of openings (306) in a penetrating mode, the lower end face of the mounting plate (305) is provided with a fan (307), the inner top end of the upper casing (2) is fixedly connected with the mounting box (6), the lower end face of the mounting box (6) is communicated with a plurality of uniformly distributed air outlet pipes (601), the upper end face of the mounting box (6) is provided with an air inlet (602) matched with the fixed cylinder (3) in a penetrating mode, the lower end face of the heat conducting plate (5) is provided with a temperature sensing module (501), and the control module (502) is installed on the left side of the inner bottom of the lower casing (1), the temperature sensing module (501), the control module (502) and the fan (307) are electrically connected.

2. The band-pass filter with interference rejection function according to claim 1, wherein: the upper end surface of the fixed cylinder (3) is provided with a second dust filtering plate (302), the inside of the fixed cylinder (3) is fixedly connected with a filter plate (303), and a drying agent (304) is filled between the second dust filtering plate (302) and the filter plate (303).

3. The band-pass filter with interference rejection function according to claim 1, wherein: the outer side wall lower extreme fixedly connected with of solid fixed cylinder (3) is solid fixed ring (308), the up end of gu fixed ring (308) can be dismantled and is connected with a plurality of screws (301), can dismantle through gu fixed ring (308) and a plurality of screws (301) and be connected between solid fixed cylinder (3) and last casing (2).

4. The band-pass filter with interference rejection function according to claim 1, wherein: the inner side wall of the exhaust port (105) is fixedly connected with a first dust filtering plate (106).

5. The band-pass filter with interference rejection function according to claim 1, wherein: the lower end face left and right sides of lower casing (1) all fixedly connected with support frame (102), two the up end of support frame (102) all runs through and has seted up a plurality of mounting holes (103).