CN219536037U

CN219536037U - Filter

Info

Publication number: CN219536037U
Application number: CN202320183072.9U
Authority: CN
Inventors: 周海鹏
Original assignee: Share Electronics Co ltd
Current assignee: Share Electronics Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-15
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a filter, which comprises a shell and a heat dissipation mechanism; a shell: the upper surface of the shell is connected with a sealing cover through screws, circuit boards are symmetrically arranged on the left side and the right side of the bottom end inside the shell, connecting blocks are symmetrically and fixedly connected to the left side and the right side of the front side of the upper surface of the circuit board, positive connectors are arranged on the front sides of the two connecting blocks far away from the vertical center of the shell, negative connectors are arranged on the front sides of the two connecting blocks close to the vertical center of the shell, loads are formed between the two connecting blocks positioned on the upper surface of the same circuit board, evenly distributed inductors are arranged in the middle of the upper surface of the circuit board, the inductors positioned on the left side are connected in series between the loads on the left side, and the inductors positioned on the right side are connected in series between the loads on the right side; the filter can realize quick and effective heat dissipation in the filter, prevent the electric elements in the filter from overheating and damaging, and ensure the working efficiency.

Description

Filter

Technical Field

The utility model relates to the technical field of filters, in particular to a filter.

Background

The filter is a filter circuit composed of a capacitor, an inductor and a resistor, the filter can effectively filter the frequency points of specific frequencies in the power line or the frequencies except the frequency points to obtain a power signal of the specific frequencies, or eliminate the power signal of the specific frequencies, the specific frequencies in the power line are selected by utilizing the principles of low frequency resistance of the capacitor pass high frequency and low frequency resistance of the inductor pass high frequency, and the filter belongs to a precise electronic instrument, so that a cooling fan is often used for exchanging heat for electronic elements in the filter when the filter is used, damage to the electronic elements in the filter due to heat generated by the operation of the electronic elements in the filter is prevented, and a cooling dead angle can occur when the filter is cooled due to the fact that the cooling fan in the filter is usually in a fixed state, so that the cooling efficiency is not very high.

Disclosure of Invention

The utility model aims to overcome the existing defects, provide the filter, realize rapid and effective heat dissipation in the filter, prevent the overheating damage of electrical components in the filter, ensure the working efficiency and effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a filter includes a housing and a heat dissipation mechanism;

a shell: the upper surface of the shell is symmetrically provided with a circuit board through screws, the left and right sides of the bottom end inside the shell are symmetrically and fixedly connected with connecting blocks, the front sides of the two connecting blocks far away from the vertical center of the shell are respectively provided with a positive electrode joint, the front sides of the two connecting blocks close to the vertical center of the shell are respectively provided with a negative electrode joint, loads are formed between the two connecting blocks positioned on the upper surface of the same circuit board, the middle part of the upper surface of the circuit board is respectively provided with an evenly distributed inductor, the inductors positioned on the left side are respectively connected between the loads on the left side in series, the inductors positioned on the right side are respectively connected between the loads on the right side in series, the rear sides of the circuit board are respectively provided with evenly distributed capacitors, the capacitors positioned on the left side are respectively connected between the loads on the left side in parallel, and the capacitors positioned on the right side are respectively connected between the loads on the right side in parallel;

heat dissipation mechanism: the device is arranged at the rear side of the inner bottom end of the shell;

wherein: the front side of shell is provided with the PLC controller, and the external power source is connected to the input electricity of PLC controller, and the output of PLC controller is all connected to the input electricity of inductance and electric capacity, can realize the inside quick effective heat dissipation of wave filter, prevents that the inside electrical components of wave filter from taking place the overheat damage, guarantees work efficiency.

Further, the cooling mechanism comprises two mounting frames, cooling fans and a rotating shaft, wherein the two mounting frames are symmetrically and fixedly connected to the rear side of the bottom end of the inner part of the shell, the cooling fans are connected in the mounting frames through the rotating shaft in a rotating mode, the input ends of the cooling fans are electrically connected with the output ends of the PLC, and the cooling of the filter is driven through rotation of the fans.

Further, the cooling mechanism further comprises a swing arm, a sliding plate, a guide sliding groove and a sliding column, the swing arm is fixedly sleeved at the lower end of the outer cambered surface of the rotating shaft at the lower side, a strip-shaped groove is formed in the rear side of the bottom end of the inner part of the shell, the sliding plate is connected in the strip-shaped groove in a sliding manner, the sliding column is fixedly connected to the left side and the right side of the upper surface of the sliding plate, the guide sliding groove is formed in the upper surface of the swing arm, the sliding column is in sliding connection with the adjacent guide sliding groove, and the fan is driven to rotate through rotation of the swing arm.

Further, the heat dissipation mechanism further comprises an adjusting screw and a support plate, the support plate is fixedly connected to the left side of the bottom end inside the shell, the adjusting screw is rotatably connected between the support plate and the right side inner wall of the shell through a bearing, the adjusting screw is in threaded connection with the sliding plate, and the sliding plate is driven to move through rotation of the adjusting screw.

Further, the motor is arranged in a mounting groove formed in the left side of the bottom end of the inner portion of the shell, an output shaft of the motor is fixedly connected with the adjusting screw rod, and an input end of the motor is electrically connected with an output end of the PLC to drive the fan to rotate.

Furthermore, four corners of the lower surface of the shell are connected with foot pads in a threaded mode, and the filter is convenient to install.

Further, evenly distributed's venthole has all been seted up to the left and right sides inner wall of shell, and the equal fixedly connected with baffle in outer edge upper end of venthole, baffle all set up downwards from the vertical center of shell to outside slope, be convenient for ventilate heat transfer.

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

in the process of frequency selection, the motor drives the adjusting screw rod to rotate in a positive and negative rotation circulation way, so that the adjusting screw rod drives the sliding plate to reciprocate left and right, the sliding column slides and rotates in the guide sliding groove on the swing arm, the swing arm rotates, the swing arm drives the cooling fan to rotate through the rotating shaft, and the heat exchange is carried out on an internal instrument which works through the rotation of the cooling fan, so that the working environment inside the filter is at a normal level, and the working efficiency of the filter can be effectively ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of the internal cross-sectional structure of the housing of the present utility model.

In the figure: 1 shell, 2 pad feet, 3 ventholes, 4 baffles, 5 sealing covers, 6 circuit boards, 7 heat dissipation mechanisms, 71 mounting frames, 72 heat dissipation fans, 73 rotating shafts, 74 swing arms, 75 sliding plates, 76 guide sliding grooves, 77 sliding columns, 78 adjusting screw rods, 79 support plates, 8 connecting blocks, 9 inductors, 10 capacitors, 11PLC controllers, 12 motors, 13 positive electrode connectors and 14 negative electrode connectors.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present embodiment provides a technical solution: a filter comprising a housing 1 and a heat dissipation mechanism 7;

the shell 1: the upper surface of the shell is connected with a sealing cover 5 through screws, the left side and the right side of the bottom end inside the shell 1 are symmetrically provided with a circuit board 6, the left end and the right end of the front side of the upper surface of the circuit board 6 are symmetrically and fixedly connected with connecting blocks 8, the front sides of the two connecting blocks 8 far away from the vertical center of the shell 1 are respectively provided with a positive electrode joint 13, the front sides of the two connecting blocks 8 close to the vertical center of the shell 1 are respectively provided with a negative electrode joint 14, loads are formed between the two connecting blocks 8 positioned on the upper surface of the same circuit board 6, the middle part of the upper surface of the circuit board 6 is respectively provided with an evenly distributed inductor 9, the inductors 9 positioned on the left side are respectively connected in series between the loads on the left side, the inductors 9 positioned on the right side are respectively connected in series between the loads on the right side, the rear side of the circuit board 6 is respectively provided with evenly distributed capacitors 10, the capacitors 10 positioned on the left side are respectively connected in parallel between the loads on the left side, the four corners of the lower surface of the shell 1 are respectively connected with a foot pad 2 in a threaded manner, the inner walls of the left side and the right side of the shell 1 are respectively provided with uniformly distributed air outlet holes 3, the upper ends of the outer edges of the air outlet holes 3 are respectively fixedly connected with a baffle plate 4, the baffle plates 4 are respectively arranged obliquely downwards from the vertical center to the outer side of the shell 1, personnel correspondingly connect the positive pole joint 13 and the negative pole joint 14 of a power line or the positive pole joint 13 and the negative pole joint 14 of the right side on the positive pole joint 13 and the negative pole joint 14 of the left side, the personnel regulate and control the heat dissipation fan 72, the inductor 9 and the capacitor 10 which are connected with the power line to operate through the PLC controller 11, the motor 12 rotates in a positive and negative rotation cycle, the PLC controller 11 regulates the inductor 9 and the capacitor 10 as required, the personnel pass high frequency and low frequency resistance and high frequency resistance pass through the capacitor 10, the frequency point of specific frequency in the power line or the frequency outside the frequency point is filtered effectively, finally obtaining a power signal with a specific frequency;

heat dissipation mechanism 7: the heat dissipation mechanism 7 is arranged at the rear side of the inner bottom end of the shell 1, the heat dissipation mechanism 7 comprises two mounting frames 71, heat dissipation fans 72 and rotating shafts 73, the mounting frames 71 are symmetrically and fixedly connected to the rear side of the inner bottom end of the shell 1, the heat dissipation fans 72 are rotatably connected in the mounting frames 71 through the rotating shafts 73, the input ends of the heat dissipation fans 72 are electrically connected with the output ends of the PLC controller 11, the heat dissipation mechanism 7 further comprises swing arms 74, sliding plates 75, guide sliding grooves 76 and sliding columns 77, the swing arms 74 are fixedly sleeved at the lower end of an extrados surface of the rotating shaft 73 at the lower side, strip-shaped grooves are formed at the rear side of the inner bottom end of the shell 1, sliding plates 75 are slidably connected in the strip-shaped grooves, sliding columns 77 are fixedly connected to the left side and the right side of the upper surface of the sliding plates 75, the upper surfaces of the swing arms 74 are provided with guide sliding grooves 76, the sliding columns 77 are slidably connected with the adjacent guide sliding grooves 76, the heat radiation mechanism 7 further comprises an adjusting screw 78 and a support plate 79, the support plate 79 is fixedly connected to the left side of the inner bottom end of the shell 1, the support plate 79 is rotationally connected with the adjusting screw 78 through a bearing between the support plate 79 and the right inner wall of the shell 1, the adjusting screw 78 is in threaded connection with the sliding plate 75, the heat radiation mechanism further comprises a motor 12, the motor 12 is arranged in a mounting groove formed in the left side of the inner bottom end of the shell 1, an output shaft of the motor 12 is fixedly connected with the adjusting screw 78, an input end of the motor 12 is electrically connected with an output end of the PLC 11, during frequency selection, the motor 12 drives the adjusting screw 78 to rotate in a positive and negative rotation way, the adjusting screw 78 drives the sliding plate 75 to reciprocate left and right, the sliding column 77 slides and rotates in a guide chute 76 on the swinging arm 74, so that the swinging arm 74 rotates, the swinging arm 74 drives the heat radiation fan 72 through a rotating shaft 73, the heat exchange is carried out on the internal instrument which is working through the rotation of the heat radiation fan 72, so that the working environment inside the filter is at a normal level, and the working efficiency of the filter can be effectively ensured.

Wherein: the front side of shell 1 is provided with PLC controller 11, and the external power source is connected to PLC controller 11's input electricity, and the output of PLC controller 11 is all connected to inductance 9 and electric capacity 10's input electricity, and the normal operating of cooling fan 72, inductance 9, electric capacity 10 and motor 12 is regulated and control to PLC controller 11.

The working principle of the filter provided by the utility model is as follows:

when the filter is used, a person correspondingly connects the positive electrode joint 13 and the negative electrode joint 14 on the left side or the positive electrode joint 13 and the negative electrode joint 14 on the right side of the power line to the positive electrode joint 13 and the negative electrode joint 14, the person regulates and controls the cooling fan 72, the inductor 9 and the capacitor 10 on the side connected with the power line to operate through the PLC controller 11, the motor 12 rotates in a positive and negative rotation mode, the person enables the PLC controller 11 to regulate the inductor 9 and the capacitor 10 according to requirements, the capacitor 10 is enabled to pass through high-frequency resistance low frequency and the inductor 9 to pass through low-frequency resistance high frequency, the frequency point of the specific frequency in the power line or the frequency outside the frequency point is effectively filtered, a power signal of the specific frequency is finally obtained, in the process of frequency selection, the motor 12 drives the adjusting screw 78 to rotate in a positive and negative rotation mode, the adjusting screw 78 drives the sliding plate 75 to reciprocate left and right, the sliding post 77 slides and rotates in the guide chute 76 on the swinging arm 74, the swinging arm 74 rotates in a positive and negative rotation mode, the swinging arm 74 drives the cooling fan 72 to rotate through the rotating shaft 73, and the heat exchange instrument in the positive and negative rotation mode through the rotation of the rotating shaft 72 according to the requirement, the rotating of the rotating arm 72 is enabled to perform heat exchange for the internal instrument which works, and the filter environment in the filter is enabled to work, and the filter work environment is ensured to be in a normal level, and the filter work efficiency.

It should be noted that, in the above embodiment, the motor 12 is selected from ECMA-C20604RS, the heat dissipation fan 72 is selected from ME92252V1-000C-a99, the inductor 9 and the capacitor 10 can be freely configured according to the actual application scenario, the PLC controller 11 is selected from ST89C51, and the PLC controller 11 regulates the heat dissipation fan 72, the inductor 9, the capacitor 10 and the motor 12 to work by a method commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A filter, characterized by: comprises a shell (1) and a heat dissipation mechanism (7);

outer casing (1): the upper surface of the circuit board is connected with a sealing cover (5) through screws, circuit boards (6) are symmetrically arranged on the left side and the right side of the bottom end inside the shell (1), connecting blocks (8) are symmetrically and fixedly connected to the left side and the right side of the front side of the upper surface of the circuit board (6), positive connectors (13) are arranged on the front side of the two connecting blocks (8) far away from the vertical center of the shell (1), negative connectors (14) are arranged on the front side of the two connecting blocks (8) close to the vertical center of the shell (1), loads are formed between the two connecting blocks (8) positioned on the upper surface of the same circuit board (6), evenly distributed inductors (9) are arranged in the middle of the upper surface of the circuit board (6), the inductors (9) positioned on the left side are all connected in series between the loads on the left side, the inductors (9) positioned on the right side are all connected in series between the loads on the right side, evenly distributed capacitors (10) are arranged on the rear side of the circuit board (6), the capacitors (10) positioned on the left side are all connected in parallel between the loads on the left side, and the capacitors (10) positioned on the right side are all connected in parallel between the loads on the right side;

heat dissipation mechanism (7): the device is arranged at the rear side of the inner bottom end of the shell (1);

wherein: the front side of the shell (1) is provided with a PLC (programmable logic controller) 11, the input end of the PLC 11 is electrically connected with an external power supply, and the input ends of the inductor 9 and the capacitor 10 are electrically connected with the output end of the PLC 11.

2. A filter according to claim 1, characterized in that: the heat dissipation mechanism (7) comprises two mounting frames (71), heat dissipation fans (72) and rotating shafts (73), wherein the mounting frames (71) are symmetrically and fixedly connected to the rear side of the bottom end of the inside of the shell (1), the heat dissipation fans (72) are rotatably connected in the mounting frames (71) through the rotating shafts (73), and the input ends of the heat dissipation fans (72) are electrically connected with the output ends of the PLC (11).

3. A filter according to claim 2, characterized in that: the heat dissipation mechanism (7) further comprises a swing arm (74), a sliding plate (75), guide sliding grooves (76) and sliding columns (77), the swing arm (74) is fixedly sleeved at the lower end of the outer arc surface of the rotating shaft (73) located at the lower side, a strip-shaped groove is formed in the rear side of the bottom end of the inside of the shell (1), the sliding plate (75) is connected in the strip-shaped groove in a sliding mode, the sliding columns (77) are fixedly connected to the left side and the right side of the upper surface of the sliding plate (75), the guide sliding grooves (76) are formed in the upper surface of the swing arm (74), and the sliding columns (77) are all connected with the adjacent guide sliding grooves (76) in a sliding mode.

4. A filter according to claim 3, characterized in that: the heat dissipation mechanism (7) further comprises an adjusting screw (78) and a support plate (79), the support plate (79) is fixedly connected to the left side of the bottom end inside the shell (1), the adjusting screw (78) is rotatably connected between the support plate (79) and the right inner wall of the shell (1) through a bearing, and the adjusting screw (78) is in threaded connection with the sliding plate (75).

5. A filter according to claim 4, wherein: the intelligent control device is characterized by further comprising a motor (12), wherein the motor (12) is arranged in a mounting groove formed in the left side of the bottom end inside the shell (1), an output shaft of the motor (12) is fixedly connected with an adjusting screw rod (78), and an input end of the motor (12) is electrically connected with an output end of the PLC (11).

6. A filter according to claim 1, characterized in that: four corners of the lower surface of the shell (1) are connected with foot pads (2) in a threaded manner.

7. A filter according to claim 1, characterized in that: evenly distributed's venthole (3) have all been seted up to the left and right sides inner wall of shell (1), and the equal fixedly connected with baffle (4) in outer edge upper end of venthole (3), baffle (4) all set up downwards from the vertical center of shell (1) to outside slope.