Filter with protection function

Abstract

The utility model relates to the technical field of signal filtering, in particular to a filter with a protection function, which comprises a filter, connecting blocks and a heat dissipation device, the connecting blocks are mounted on the surfaces of two ends of the filter, the heat dissipation device is arranged on the surface of the filter and comprises a driving motor, and the driving motor is fixedly connected with the surface of the filter. The driving motor is cylindrical, the driving end of the driving motor is in threaded connection with a rack, the rack is in sliding connection with the surface of the filter, the surface of the filter is fixedly connected with an outer sleeve, the outer sleeve is communicated with the interior of the filter, and a ventilation opening is formed in the surface of the filter. According to the utility model, the heat dissipation device is arranged to effectively dissipate heat of the filter, and when the filter is overheated, the heat dissipation device is started, so that the damage of high temperature to components in the filter is avoided, the practicability of the heat dissipation device is improved, the auxiliary performance of the heat dissipation device is improved, and the service life of the filter is prolonged; and the stability of the filter in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of signal filtering, in particular to a filter with a protection function. Background Art

[0002] A filter is a filtering circuit composed of capacitors, inductors and resistors. The filter can effectively filter out specific frequency points in the power supply line or frequencies outside that frequency point to obtain a power supply signal with a specific frequency, or eliminate the power supply signal after a specific frequency. The filter is a frequency selection device that can allow specific frequency components in the signal to pass through while greatly attenuating other frequency components. By using this frequency selection function of the filter, interference noise can be filtered out or spectrum analysis can be performed. In other words, any device or system that can allow specific frequency components in the signal to pass through while greatly attenuating or suppressing other frequency components is called a filter. A filter is a device that filters waves. "Wave" is a very broad physical concept. In the field of electronic technology, "wave" is narrowly limited to specifically describing the process in which the values of various physical quantities fluctuate with time. Through the action of various sensors, this process is converted into a time function of voltage or current, which is called the time waveform of various physical quantities, or called a signal. Since the independent variable time takes continuous values, it is called a continuous-time signal, and is habitually called an analog signal. With the development of society, when signals need to be filtered, filters are used.

[0003] Existing devices such as CN201720607201, a filter with a protection function, include a protection shell, connection terminals, connecting rods, rubber pads, metal gaskets, fastening nuts, connectors, self-resetting fuses, filtering elements, protection resistors, and warning lights. The protection shell is made of aluminum alloy material, and the inner wall of the protection shell is coated with an insulating paint. Compared with the prior art, the beneficial effect of the utility model is that this new type of filter with a protection function is scientifically and reasonably designed. This filter with a protection function is provided with gaskets and rubber pads on the connection posts, which can play a buffering and pressing function to better fix and connect the wires. Moreover, the filter is internally provided with a self-resetting fuse, a protection resistor and a warning light that cooperate with each other. When a short circuit occurs, it can protect the electronic components of the filter and prompt the user of the occurrence of the short circuit.

[0004] When a worker needs to filter a signal, the wire is connected to the filter so that the filter can filter the signal. However, during the use of the filter, due to excessive current, the temperature of the internal components of the filter will increase, which will in turn cause the problem that the high temperature affects the stability of the filter during use. Summary of the Utility Model

[0005] The purpose of the present utility model is to solve the defect that the stability of the filter is affected by high temperature in the prior art, and a filter with a protection function is proposed.

[0006] To achieve the above purpose, the present utility model adopts the following technical solutions: A filter with a protection function includes a filter, connection blocks, and a heat dissipation device. The connection blocks are installed on the surfaces at both ends of the filter, and the heat dissipation device is arranged on the surface of the filter. The heat dissipation device includes a driving motor, which is fixedly connected to the surface of the filter. The driving motor is cylindrically arranged, and a rack is threadedly connected to the driving end of the driving motor. The rack is slidably connected to the surface of the filter. A jacket is fixedly connected to the surface of the filter, and the jacket is in communication with the interior of the filter. A ventilation opening is formed on the surface of the filter, and the ventilation opening is in communication with the interior of the filter. An inner sleeve is rotatably connected to the inner surface of the jacket. Ventilation openings are formed on the surface of the inner sleeve, and the ventilation openings are in communication with the ventilation opening. A rotating disk is fixedly connected to the top end of the inner sleeve, and the rotating disk is rotatably connected to the surface of the jacket. The rotating disk can cooperate with the inner sleeve to support the rotating wheel.

[0007] Preferably, a rotating wheel is fixedly connected to the top end of the rotating disk, and the rack is meshed with the surface of the rotating wheel. The rotating wheel can cooperate with the rack and the rotating disk to drive the inner sleeve to rotate.

[0008] Preferably, a positioning device is arranged on the surface of the rotating disk. The positioning device includes a limiting opening. A plurality of the limiting openings are formed on the surface of the rotating disk. The limiting openings are annularly arranged, and a plug is inserted and connected to the surface of the limiting opening. The limiting opening can cooperate with the rotating disk to receive the plug.

[0009] Preferably, a linkage bar is slidably connected to the surface of the filter. The linkage bars are symmetrically arranged. A sleeve is fixedly connected to the surface of the linkage bar, and the sleeve is sleeved on the surface of the rotating disk. The plug is fixedly connected to the surface of the sleeve. The linkage bar can cooperate with the sleeve to support the sleeve.

[0010] Preferably, a cylinder is fixedly connected to the surface of the filter, and the driving end of the cylinder is fixedly connected to the surface of the linkage bar. The cylinder can cooperate with the filter and the rack to support the cylinder to adjust the rack.

[0011] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0012] 1. In the present utility model, by providing a heat dissipation device, when the filter overheats, it can effectively dissipate heat from the filter. For the equipment, the impurities in the signal are filtered. The driving motor is started, and the driving motor adjusts the sliding of the rack. The rack pushes the rotating wheel, and the rotating wheel drives the rotating disc and the inner sleeve. The inner sleeve drives the air vent to align with the air exchange port, and the hot air will be discharged through the filter. By providing the heat dissipation device, it can effectively dissipate heat from the filter. When the filter overheats, the heat dissipation device is started, which avoids damage to the components inside the filter caused by high temperature, improves the practicability of the heat dissipation device, enhances the auxiliary function of the heat dissipation device, increases the service life of the filter, and improves the stability of the filter during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 FIG. is a three-dimensional structural schematic diagram of a filter with a protection function proposed by the present utility model;

[0014] Figure 2 FIG. is a structural schematic diagram of the heat dissipation device of a filter with a protection function proposed by the present utility model;

[0015] Figure 3 FIG. is a structural schematic diagram of a filter with a protection function proposed by the present utility model Figure 2 at position A;

[0016] Figure 4 FIG. is a structural schematic diagram of the positioning device of a filter with a protection function proposed by the present utility model;

[0017] Figure 5 FIG. is a structural schematic diagram of a filter with a protection function proposed by the present utility model Figure 4 at position B.

[0018] LEGEND DESCRIPTION:

[0019] 1. Filter; 2. Connecting block; 3. Heat dissipation device; 31. Outer sleeve; 32. Inner sleeve; 33. Rotating disc; 34. Air vent; 35. Rotating wheel; 36. Air exchange port; 37. Rack; 38. Driving motor; 4. Positioning device; 41. Cylinder; 42. Insert block; 43. Ring; 44. Limit port; 45. Linking bar. DETAILED IMPLEMENTATION MANNER

[0020] Please refer to Figures 1-5 , the present utility model provides a technical solution: a filter with a protection function, including a filter 1, a connecting block 2 and a heat dissipation device 3. The connecting block 2 is installed on the surfaces at both ends of the filter 1, and the heat dissipation device 3 is arranged on the surface of the filter 1.

[0021] Next, the specific settings and functions of its heat dissipation device 3 and positioning device 4 will be described in detail.

[0022] In this implementation: The heat dissipation device 3 includes a driving motor 38, the driving motor 38 is fixedly connected to the surface of the filter 1, the driving motor 38 is arranged in a cylindrical shape, a rack 37 is threadedly connected to the driving end of the driving motor 38, the rack 37 is slidably connected to the surface of the filter 1, an outer sleeve 31 is fixedly connected to the surface of the filter 1, the outer sleeve 31 communicates with the inside of the filter 1, a ventilation opening 36 is formed in the surface of the filter 1, the ventilation opening 36 communicates with the inside of the filter 1, an inner sleeve 32 is rotatably connected to the inner surface of the outer sleeve 31, ventilation openings 34 are formed in the surface of the inner sleeve 32, and the ventilation openings 34 communicate with the ventilation opening 36.

[0023] Specifically, a rotating disk 33 is fixedly connected to the top end of the inner sleeve 32, the rotating disk 33 is rotatably connected to the surface of the outer sleeve 31, and the rotating disk 33 can cooperate with the inner sleeve 32 to support the rotating wheel 35.

[0024] Specifically, a rotating wheel 35 is fixedly connected to the top end of the rotating disk 33, and the rack 37 is meshed with the surface of the rotating wheel 35.

[0025] In this embodiment: The rotating wheel 35 can cooperate with the rack 37 and the rotating disk 33 to drive the inner sleeve 32 to rotate.

[0026] In this embodiment: A positioning device 4 is arranged on the surface of the rotating disk 33, the positioning device 4 includes a limiting opening 44, a plurality of limiting openings 44 are formed in the surface of the rotating disk 33, the limiting openings 44 are arranged in a ring shape, an inserting block 42 is inserted and connected to the surface of the limiting opening 44, and the limiting opening 44 can cooperate with the rotating disk 33 to receive the inserting block 42.

[0027] Specifically, a linkage bar 45 is slidably connected to the surface of the filter 1, the linkage bars 45 are arranged symmetrically, a sleeve 43 is fixedly connected to the surface of the linkage bar 45, the sleeve 43 is sleeved on the surface of the rotating disk 33, and the inserting block 42 is fixedly connected to the surface of the sleeve 43.

[0028] In this embodiment: The linkage bar 45 can cooperate with the sleeve 43 to support the sleeve 43.

[0029] Specifically, a cylinder 41 is fixedly connected to the surface of the filter 1, and the driving end of the cylinder 41 is fixedly connected to the surface of the linkage bar 45.

[0030] In this embodiment: The cylinder 41 can cooperate with the filter 1 and the rack 37 to support the cylinder 41 to adjust the rack 37.

[0031] Working principle: By setting up the heat dissipation device 3, when the filter overheats, it can effectively dissipate heat from the filter. Use the device to filter impurities in the signal. Start the drive motor 38, and the drive motor 38 adjusts the sliding of the rack 37. The rack 37 pushes the rotating wheel 35, the rotating wheel 35 drives the rotating disc 33 and the inner sleeve 32, and the inner sleeve 32 drives the air vent 34 to align with the ventilation port 36, and the hot air will be discharged through the filter 1. By setting up the heat dissipation device 3, it can effectively dissipate heat from the filter. When the filter overheats, start the heat dissipation device 3, which avoids damage to the components inside the filter caused by high temperature, improves the practicability of the heat dissipation device 3, improves the auxiliary performance of the heat dissipation device 3, increases the service life of the filter, and improves the stability of the filter during use. In addition, by setting up the positioning device 4, when the filter is in use, it restricts the heat dissipation device 3. Use the device to filter impurities in the signal. Start the cylinder 41, the cylinder 41 pushes the linkage bar 45, the linkage bar 45 drives the ferrule 43, the ferrule 43 pushes the plug 42, and the plug 42 is inserted into the limit port 44 to complete the limit. By setting up the positioning device 4, it can effectively restrict the heat dissipation device 3. When the filter is in use, start the positioning device 4, which avoids the heat dissipation device 3 being in a closed state due to equipment vibration during use, improves the practicability of the positioning device 4, improves the auxiliary performance of the positioning device 4, and improves the stability of the heat dissipation device 3.

Claims

1. A filter with a protective function, comprising a filter (1), a connection block (2) and a heat sink (3), characterized in that: The connecting block (2) is mounted on the surfaces of both ends of the filter (1); the heat dissipation device (3) is arranged on the surface of the filter (1); the heat dissipation device (3) comprises a driving motor (38); the driving motor (38) is fixedly connected to the surface of the filter (1); the driving motor (38) is arranged in a cylindrical shape; a rack (37) is threadedly connected to the driving end of the driving motor (38); the rack (37) is slidably connected to the surface of the filter (1); a jacket (31) is fixedly connected to the surface of the filter (1); the jacket (31) is communicated with the interior of the filter (1); a ventilation port (36) is provided on the surface of the filter (1); the ventilation port (36) is communicated with the interior of the filter (1); an inner sleeve (32) is rotatably connected to the inner surface of the outer sleeve (31); a ventilation port (34) is provided on the surface of the inner sleeve (32); the ventilation port (34) is communicated with the ventilation port (36).

2. A filter with a protection function according to claim 1, characterized in that: A rotating disk (33) is fixedly connected to the top end of the inner sleeve (32), and the rotating disk (33) is rotatably connected to the surface of the outer sleeve (31).

3. A filter with a protection function according to claim 2, characterized in that: The top end of the rotating disk (33) is fixedly connected with a rotating wheel (35), and the rack (37) is meshingly connected with the surface of the rotating wheel (35).

4. A filter with a protection function according to claim 3, characterized in that: The surface of the rotating disk (33) is provided with a positioning device (4), and the positioning device (4) comprises a limiting opening (44). A plurality of the limiting openings (44) are provided on the surface of the rotating disk (33), and the limiting openings (44) are arranged in a ring shape. The surface of the limiting openings (44) is inserted and connected with an insert block (42).

5. A filter with a protection function according to claim 4, characterized in that: The surface of the filter (1) is slidably connected to a linkage bar (45), the linkage bar (45) is symmetrically arranged, the surface of the linkage bar (45) is fixedly connected to a ferrule (43), the ferrule (43) is sleeved on the surface of the rotating disk (33), and the insert block (42) is fixedly connected to the surface of the ferrule (43).

6. The filter with protection function according to claim 5, characterized in that: A cylinder (41) is fixedly connected to the surface of the filter (1), and a driving end of the cylinder (41) is fixedly connected to the surface of a linkage bar (45).

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