LC filter convenient to overhaul

Abstract

The utility model discloses an LC filter convenient for maintenance, comprising a main body assembly comprising a pedestal, a filter body and an external joint, the filter body is fixed on the top of the pedestal, the external joint is fixed on the top of the filter body, and an installation assembly located on the top of the pedestal and used for installing the filter body. Comprising a shell, a fixing piece, a force transmission piece, a reset piece and a heat dissipation piece, the shell is movably connected to the top of the base, the fixing piece is arranged at the top of the base, the force transmission piece is located in the shell, the reset piece is arranged in the shell, the heat dissipation piece is arranged on one side of the shell, the fixing piece comprises a fixing block, and the fixing block is arranged on the fixing piece. The fixing block is fixed to the top of the base. The beneficial effects of the utility model are that through the arrangement of the installation assembly, the device is more convenient to carry out conventional disassembly and maintenance, the maintenance efficiency is improved, and the heat dissipation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of LC filters, in particular to an LC filter which is easy to repair. Background Art

[0002] LC filter, also known as passive filter, is a filter circuit composed of a combination of inductance, capacitance and resistance, which can filter out one or more harmonics. LC filter is generally composed of a proper combination of filter capacitors, reactors and resistors, connected in parallel with the harmonic source. In addition to filtering, it also takes into account the need for reactive power compensation.

[0003] Some existing large LC filters and protective covers are mostly fixed by screws. This fixing method has strong stability, but it is time-consuming and laborious to disassemble and repair. In addition, since the screws fix the LC filter in the protective cover, it greatly increases the difficulty of installation and disassembly, and is not convenient for frequent disassembly and maintenance. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems and / or the problems existing in the existing LC filters which are easy to repair, the present utility model is proposed.

[0006] Therefore, the problem to be solved by the utility model is that the existing LC filter and the protective cover are mostly fixed by screws. This fixing method has strong stability, but it is time-consuming and laborious to disassemble and repair. In addition, since the screws fix the LC filter in the protective cover, it greatly increases the difficulty of installation and disassembly, which is not convenient for frequent disassembly and maintenance.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an LC filter that is easy to repair, comprising a main body component, including a base, a filter body and an external connector, the filter body is fixed to the top of the base, and the external connector is fixed to the top of the filter body;

[0008] The mounting assembly is located at the top of the base, and includes a shell, a fixing member, a force transmission member, a reset member and a heat sink. The shell is movably connected to the top of the base, the fixing member is arranged at the top of the base, the force transmission member is located in the shell, the reset member is arranged in the shell, and the heat sink is arranged on one side of the shell.

[0009] As a preferred solution of the LC filter that is easy to maintain according to the utility model, the fixing member includes a fixing block, a clamping block and a first spring, the fixing block is fixed to the top of the base, the clamping block is movable in the shell, and the two ends of the first spring are respectively fixed to the shell and the clamping block.

[0010] As a preferred solution of the LC filter easy to repair described in the utility model, wherein: the force transmission member includes a receiving block and a rotating rod, the receiving block is fixed to the top of the clamping block, and the rotating rod rotates in the housing.

[0011] As a preferred solution of the LC filter that is easy to maintain described in the utility model, the force transmission member also includes a first round rod and a rectangular plate, the first round rod slides on one side of the rotating rod, a slot is opened on one side of the rotating rod, the first round rod slides in the slot, and the rectangular plate and one end of the first round rod are fixed to the outside of the shell.

[0012] As a preferred solution of the LC filter that is easy to repair according to the utility model, a slide groove is provided on one side of the shell, and the first round rod slides in the slide groove.

[0013] As a preferred solution of the LC filter that is easy to maintain according to the utility model, the reset member includes a slider, a second round rod, a round plate and a second spring, the slider is fixed to the end of the first round rod, the second round rod is fixed to the top of the slider, the round plate is fixed to the top of the second round rod, and the two ends of the second spring are respectively fixed to the housing and the round plate.

[0014] As a preferred solution of the LC filter that is easy to repair according to the utility model, the reset member further includes a resistance plate, and the resistance plate is fixed to the outer side of the second round rod.

[0015] As a preferred solution of the LC filter that is easy to repair according to the utility model, the heat sink includes a breathable plate, and the breathable plate is fixed to one side of the shell.

[0016] As a preferred solution of the LC filter that is easy to maintain of the utility model, the heat sink also includes a waterproof plate, and the waterproof plate is fixed to one side of the shell.

[0017] As a preferred solution of the LC filter that is easy to maintain according to the utility model, the installation assembly further includes a fixing seat, and the fixing seat is fixed to one side of the shell.

[0018] The beneficial effects of the utility model are as follows: by arranging the installation assembly, the device is made more convenient to be disassembled and repaired in a conventional manner, the repair efficiency is improved, and the heat dissipation efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 Structural diagram of the LC filter for easy maintenance.

[0021] Figure 2 For easy maintenance of the LC filter Figure 1 Enlarged structural diagram at point A in the middle.

[0022] Figure 3 Cross-sectional structure diagram of the housing and breathable plate of the LC filter for easy maintenance.

[0023] Figure 4 Exploded view of the base and housing of the LC filter for easy maintenance.

[0024] Figure 5 Cross-sectional view of the fixing block and the card block of the LC filter for easy maintenance.

[0025] Figure 6 For easy maintenance of the LC filter Figure 5 Enlarged structural diagram at point B in the middle.

[0026] Figure 7 For easy maintenance of the LC filter Figure 5 Enlarged structural diagram at center C.

[0027] Figure 8 Cross-sectional structure diagram of the rotating rod of the LC filter for easy maintenance.

[0028] Fig. 9 Diagram of the receiving block and rotating rod structure of the LC filter for easy maintenance.

[0029] Fig.10 For easy maintenance of the LC filter Fig. 9 Enlarged structural diagram at point D in the middle. Implementation

[0030] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. Example

[0033] Reference Figure 1 , Figure 2 , Figure 3 , Fig. 9 and Fig.10 , which is the first embodiment of the utility model, provides an LC filter that is easy to repair. The LC filter that is easy to repair includes a main body component 100 and an installation component 200, which cooperate with each other to facilitate disassembly and repair of the device.

[0034] Specifically, the main assembly 100 includes a base 101 , a filter body 102 and an external connector 103 . The filter body 102 is fixed to the top of the base 101 , and the external connector 103 is fixed to the top of the filter body 102 .

[0035] The base 101 is rectangular and has two external joints 103 . This is prior art and will not be described in detail.

[0036] Specifically, the installation component 200 is located on the top of the base 101, and includes a shell 201, a fixing member 202, a force transmission member 203, a reset member 204 and a heat sink 205. The shell 201 is movably connected to the top of the base 101, the fixing member 202 is arranged on the top of the base 101, the force transmission member 203 is located in the shell 201, the reset member 204 is arranged in the shell 201, and the heat sink 205 is arranged on one side of the shell 201.

[0037] The shell 201 is rectangular, and removable baffles are arranged on both sides of the shell 201. The bottom of the shell 201 is flush with the base 101. The shell 201 and the base 101 are fixed by the fixing member 202. The fixing of the shell 201 and the base 101 by the fixing member 202 is released by the cooperation of the force transmission member 203 and the reset member 204, and the normal heat dissipation of the device is ensured by the heat dissipation member 205. Example

[0038] Reference Figure 4~Figure 8, which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0039] Specifically, the fixing member 202 includes a fixing block 202a, a clamping block 202b and a first spring 202c. The fixing block 202a is fixed to the top of the base 101, the clamping block 202b is movable in the shell 201, and both ends of the first spring 202c are fixed to the shell 201 and the clamping block 202b respectively.

[0040] The number of the fixed block 202a, the clamping block 202b and the first spring 202c are all four. A rectangular groove is provided at the bottom of the shell 201. The fixed block 202a moves in the rectangular groove. The fixed block 202a is trapezoidal. A clamping groove is provided on one side of the fixed block 202a. A sliding groove is provided in the shell 201. The clamping block 202b and the first spring 202c both move in the sliding groove. The shell 201 is pushed to drive the clamping block 202b to move vertically downward. The clamping block 202b is supported by the fixed block 202a. 02a is squeezed and moves horizontally in the slide groove, and the first spring 202c is squeezed by the block 202b and deformed, which continuously pushes the shell 201 to drive the block 202b to move vertically downward, until the block 202b is moved into the slot of the fixed block 202a by the reaction force of the first spring 202c, and the bottom of the shell 201 is fitted with the base 101, and the shell 201 and the base 101 are fixed by the clamping connection between the block 202b and the fixed block 202a.

[0041] Specifically, the force transmission member 203 includes a receiving block 203 a and a rotating rod 203 b . The receiving block 203 a is fixed to the top of the clamping block 202 b , and the rotating rod 203 b rotates in the housing 201 .

[0042] There are four receiving blocks 203a and four rotating rods 203b. One end of the receiving block 203a is a cylindrical rod. A long groove is provided on one side of the rotating rod 203b. The cylindrical rod at one end of the receiving block 203a moves in the long groove of the rotating rod 203b.

[0043] Specifically, the force transmission member 203 also includes a first round rod 203c and a rectangular plate 203d. The first round rod 203c slides on one side of the rotating rod 203b. A slot V is provided on one side of the rotating rod 203b. The first round rod 203c slides in the slot V. The rectangular plate 203d and one end of the first round rod 203c are fixed outside the shell 201.

[0044] Specifically, a sliding groove W is opened on one side of the shell 201, and the first round rod 203c slides in the sliding groove W.

[0045] The slide groove W is opened on the removable baffle, and the number of the first round rod 203c and the rectangular plate 203d are both two. The first round rod 203c moves vertically in the slide groove W. One end of the first round rod 203c passes through the slide groove W and is connected and fixed to the rectangular plate 203d, and the other end of the first round rod 203c passes through the slot V and is connected and fixed to the reset member 204.

[0046] Specifically, the reset member 204 includes a slider 204a, a second round rod 204b, a circular plate 204c and a second spring 204d. The slider 204a is fixed to the end of the first round rod 203c, the second round rod 204b is fixed to the top of the slider 204a, the circular plate 204c is fixed to the top of the second round rod 204b, and the two ends of the second spring 204d are respectively fixed to the shell 201 and the circular plate 204c.

[0047] The housing 201 is provided with a rectangular groove corresponding to the slider 204a, and the slider 204a moves in the rectangular groove. The housing 201 is provided with a circular groove corresponding to the circular plate 204c, and the circular plate 204c and the second spring 204d move in the circular groove. Example

[0048] Reference Fig. 9 and Fig.10 , which is the third embodiment of the utility model, and this embodiment is based on the first two embodiments.

[0049] Specifically, the reset member 204 further includes a resistance plate 204e, and the resistance plate 204e is fixed to the outer side of the second round rod 204b.

[0050] The resistance plate 204e is rectangular. By setting the resistance plate 204e, the first round rod 203c and the slider 204a are subjected to uniform force, so that the first round rod 203c can support the housing 201, and the block 202b is squeezed by the fixed block 202a to move horizontally in the slide groove, and the block 202b drives the receiving block 203a to move horizontally, and the receiving block 203a drives the rotating rod 203b to rotate, and the rotating rod 203b drives the first round rod 203c to move vertically upward in the slide groove W, and the first round rod 203c drives The slider 204a moves vertically upward, the slider 204a drives the second round rod 204b to move vertically upward, the second round rod 204b drives the circular plate 204c to move vertically upward, the second spring 204d is squeezed by the circular plate 204c to deform, until the block 202b moves into the slot of the fixed block 202a under the reaction force of the first spring 202c, the block 202b drives the receiving block 203a to move and reset, the receiving block 203a drives the rotating rod 203b to rotate and reset, and the rotating rod 203b drives the first round rod 204d to move and reset. The rod 203c moves to reset, and the circular plate 204c moves vertically downward under the reaction force of the second spring 204d, the circular plate 204c pushes the second circular rod 204b to move vertically downward, the second circular rod 204b pushes the slider 204a to move vertically downward, and the slider 204a pushes the first circular rod 203c to move and reset. By setting the slider 204a to push the first circular rod 203c to move, the block 202b can move and reset faster, avoiding the reaction force of the first spring 202c not being enough to push the block quickly. 202b moves and resets. When disassembling, by pulling upward the rectangular plates 203d on both sides of the shell 201, the rectangular plates 203d drive the first round rod 203c to move vertically upward, the first round rod 203c drives the rotating rod 203b to rotate, the rotating rod 203b drives the receiving block 203a to move horizontally, the receiving block 203a drives the clamping block 202b to move horizontally, the first spring 202c is squeezed and deformed, the clamping block 202b is separated from the fixed block 202a, and the shell 201 is lifted by the rectangular plate 203d.

[0051] Specifically, the heat sink 205 includes a breathable plate 205 a , and the breathable plate 205 a is fixed to one side of the housing 201 .

[0052] Specifically, the heat sink 205 further includes a waterproof plate 205 b , and the waterproof plate 205 b is fixed to one side of the housing 201 .

[0053] There are four air permeable plates 205a. By setting the air permeable plates 205a, the device can dissipate heat quickly, avoid damage to components caused by excessive temperature, and shorten the service life of the filter. There are two waterproof plates 205b. By setting the waterproof plates 205b, water entering the shell 201 and causing damage to the device can be avoided.

[0054] Specifically, the installation assembly 200 further includes a fixing seat 206 , and the fixing seat 206 is fixed to one side of the housing 201 .

[0055] There are two fixing seats 206 , and the base 101 is fixed to the shell 201 and the outside through the fixing seats 206 .

[0056] When in use, first, the shell 201 is pushed to drive the block 202b to move vertically downward, the block 202b is squeezed by the fixed block 202a and moves horizontally in the slide slot, the first spring 202c is squeezed by the block 202b and deformed, the block 202b drives the receiving block 203a to move horizontally, the receiving block 203a drives the rotating rod 203b to rotate, the rotating rod 203b drives the first round rod 203c to move vertically upward in the slide slot W, the first round rod 203c drives the slider 204a to move vertically upward, the slider 204a drives the second round rod 204b to move vertically upward, the second round rod 204b drives the circular plate 204c to move vertically upward, the second spring 204d is squeezed by the circular plate 204c and deformed, until the block 202b is moved into the slot of the fixed block 202a by the reaction force of the first spring 202c, the block 202b drives the receiving block 203a to move and reset, and the receiving block 203a is reset. Block 203a drives rotating rod 203b to rotate and reset, rotating rod 203b drives first round rod 203c to move and reset, and circular plate 204c moves vertically downward by the reaction force of second spring 204d, circular plate 204c pushes second round rod 204b to move vertically downward, second round rod 204b pushes slider 204a to move vertically downward, and slider 204a pushes first round rod 203c to move and reset. When disassembling, first pull upward the rectangular plates 203d on both sides of shell 201, rectangular plates 203d drive first round rod 203c to move vertically upward, first round rod 203c drives rotating rod 203b to rotate, rotating rod 203b drives receiving block 203a to move horizontally, receiving block 203a drives clamping block 202b to move horizontally, first spring 202c is squeezed and deformed, clamping block 202b is separated from fixed block 202a, and shell 201 is lifted by rectangular plates 203d.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An LC filter that is easy to repair, characterized in that: include, A main body component (100) comprises a base (101), a filter body (102) and an external connector (103), wherein the filter body (102) is fixed to the top of the base (101), and the external connector (103) is fixed to the top of the filter body (102); The mounting assembly (200) is located on the top of the base (101), and comprises a shell (201), a fixing member (202), a force transmission member (203), a reset member (204) and a heat sink (205); the shell (201) is movably connected to the top of the base (101); the fixing member (202) is arranged on the top of the base (101); the force transmission member (203) is located inside the shell (201); the reset member (204) is arranged inside the shell (201); and the heat sink (205) is arranged on one side of the shell (201).

2. The LC filter that is easy to repair as claimed in claim 1, characterized in that: The fixing member (202) comprises a fixing block (202a), a clamping block (202b) and a first spring (202c); the fixing block (202a) is fixed to the top of the base (101); the clamping block (202b) is movable in the shell (201); and two ends of the first spring (202c) are respectively fixed to the shell (201) and the clamping block (202b).

3. The LC filter that is easy to repair as claimed in claim 2, characterized in that: The force transmission member (203) comprises a receiving block (203a) and a rotating rod (203b); the receiving block (203a) is fixed to the top of the clamping block (202b); and the rotating rod (203b) rotates in the housing (201).

4. The LC filter that is easy to repair as claimed in claim 3, characterized in that: The force transmission member (203) further comprises a first round rod (203c) and a rectangular plate (203d); the first round rod (203c) slides on one side of the rotating rod (203b); a notch (V) is provided on one side of the rotating rod (203b); the first round rod (203c) slides in the notch (V); and the rectangular plate (203d) and one end of the first round rod (203c) are fixed to the outside of the housing (201).

5. The LC filter that is easy to repair as claimed in claim 4, characterized in that: A sliding groove (W) is provided on one side of the housing (201), and the first round rod (203c) slides in the sliding groove (W).

6. The LC filter that is easy to repair as claimed in claim 5, characterized in that: The reset member (204) comprises a slider (204a), a second round rod (204b), a round plate (204c) and a second spring (204d); the slider (204a) is fixed to the end of the first round rod (203c); the second round rod (204b) is fixed to the top of the slider (204a); the round plate (204c) is fixed to the top of the second round rod (204b); and two ends of the second spring (204d) are respectively fixed to the housing (201) and the round plate (204c).

7. The LC filter that is easy to repair as claimed in claim 6, characterized in that: The resetting member (204) further comprises a resistance plate (204e), wherein the resistance plate (204e) is fixed to the outside of the second round rod (204b).

8. The LC filter that is easy to repair as claimed in claim 6 or 7, characterized in that: The heat dissipation element (205) comprises a breathable plate (205a), and the breathable plate (205a) is fixed to one side of the housing (201).

9. The LC filter that is easy to repair as claimed in claim 8, characterized in that: The heat sink (205) further comprises a waterproof plate (205b), wherein the waterproof plate (205b) is fixed to one side of the housing (201).

10. The LC filter that is easy to repair as claimed in claim 9, characterized in that: The installation assembly (200) further comprises a fixing seat (206), wherein the fixing seat (206) is fixed to one side of the housing (201).

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