CN212259559U

CN212259559U - Direct current power supply filter convenient to installation

Info

Publication number: CN212259559U
Application number: CN202021367050.0U
Authority: CN
Inventors: 魏炜; 朱益志
Original assignee: Nanjing Pan Micro Communication Technology Co ltd
Current assignee: Nanjing Pan Micro Communication Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-12-29
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a direct current power filter convenient for installation, which comprises a filter integral structure, wherein the filter integral structure comprises a filter shell, the two ends of the filter shell are provided with joint jacks in pairs, the bottom end of the filter shell is fixed with a shell bottom cover, the shell bottom cover and the filter shell are fixedly connected through bolts, the contact head structure, the output head structure and the filter shell are clamped and fixed through a joint fastening trapezoidal rod on the shell bottom cover, and along with the extrusion and fixation of the shell bottom cover and the filter shell, the contact head structure and the output head structure can be tightly attached to the filter shell under the extrusion action of the joint fastening trapezoidal rod, meanwhile, the joint jacks are rectangular holes, thereby avoiding the loosening of a contact terminal and an output head after being installed, and avoiding the conditions of easy corrosion and the like through thread or bolt fixation, the practicality is stronger, and installation and dismantlement are maintained more swiftly and conveniently.

Description

Direct current power supply filter convenient to installation

Technical Field

The utility model belongs to the technical field of the wave filter, concretely relates to DC power supply wave filter convenient to installation.

Background

A dc filter is a filter that is primarily used to block and short circuit ac signals. The output waveform is more stable by filtering with a capacitor. The voltage resistance is improved by connecting the capacitors in series, and the output direct current is more stable by increasing the capacity in parallel. The direct current filter is used as important equipment of the converter station, is arranged between a direct current high-voltage bus and a neutral bus in parallel, and is the most effective means for inhibiting direct current side harmonic waves of a High Voltage Direct Current (HVDC) transmission system.

However, there are still some unreasonable factors in the use of the existing dc power filter, and when the existing dc power filter is used: connect the electric connector and connect electric output head to be connected fixedly through bolt or screw thread and wave filter casing, it is not simple and convenient enough to install, and the mode through screw thread and bolt fastening is after long-time the use, and the easy corrosion of connecting portion position, or produce easily not hard up, is unfavorable for the stable use of wave filter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a DC power supply filter convenient to installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a DC power supply filter convenient to installation, includes wave filter overall structure, wave filter overall structure includes the wave filter casing, the both ends of wave filter casing have seted up in pairs and have connected the jack, and the bottom mounting of wave filter casing has the casing bottom, casing bottom and wave filter casing pass through bolt fixed connection, and one side symmetry of casing bottom is provided with and connects fastening trapezoidal pole, be provided with the circuit board between casing bottom and the wave filter casing, and four extreme points department of casing bottom have all seted up the bolt hole, the position block that one side of wave filter casing corresponds to connect the jack has the electrical connection head structure, and the position block that the opposite side of wave filter casing corresponds to connect the jack has output head structure.

Preferably, the electric connector structure and the output connector structure are both formed by a connecting piece structure and a connecting piece base structure.

Preferably, the connecting piece structure includes the connecting piece, the one end of connecting piece is provided with connects the electric end, and the connecting piece all seted up the welding hole with the one end of connecting the electric end, connect electric end and connecting piece formula structure as an organic whole.

Preferably, the connecting sheet base structure comprises a base, a connecting sheet clamping groove is formed in one side of the base, a base fixing end is arranged on one side of the connecting sheet clamping groove, and a trapezoidal rod limiting hole is formed in the base fixing end.

Preferably, the base stiff end and the size looks adaptation that connects the jack, and base stiff end and filter housing pass through joint fastening trapezoidal pole block fixed connection, connect the size looks adaptation in fastening trapezoidal pole and the spacing hole of trapezoidal pole.

Preferably, the connecting sheet and the circuit board are electrically connected.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a connect electrical connector structure and output structure and filter casing and all fasten trapezoidal pole block through the joint on the casing bottom fixed, and it is fixed along with the extrusion of casing bottom and filter casing, connect electrical connector structure and output structure can be tight laminating filter casing under the extrusion that connects fastening trapezoidal pole, it is the rectangular hole to connect the jack simultaneously, it is not hard up to have avoided connecting electrical connector and output to produce after the installation, the condition such as the easy corrosion of screw thread or bolt fastening has also been avoided simultaneously, the practicality is stronger, installation and dismantlement are maintained more swiftly and conveniently.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic diagram of an explosion structure of the power connection head structure or the output head structure of the present invention;

FIG. 3 is a schematic view of the vertical section elevation structure of the connecting sheet base structure of the present invention;

in the figure: 1. the whole structure of the filter; 101. a filter housing; 102. a connector receptacle; 103. a housing bottom cover; 104. the joint fastens the trapezoidal rod; 105. bolt holes; 106. a circuit board; 2. a contact structure; 3. an output head structure; 4. a connecting sheet structure; 5. a connecting sheet base structure; 401. connecting sheets; 402. connecting the electric terminal; 403. welding the hole; 501. a base; 502. connecting a sheet clamping groove; 503. a base fixing end; 504. a trapezoidal rod limiting hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a DC power supply filter convenient to installation, including wave filter overall structure 1, wave filter overall structure 1 includes wave filter casing 101, joint jack 102 has been seted up in pairs at the both ends of wave filter casing 101, and wave filter casing 101's bottom mounting has casing bottom lid 103, casing bottom lid 103 and wave filter casing 101 pass through bolt fixed connection, and one side symmetry of casing bottom lid 103 is provided with joint fastening trapezoidal pole 104, be provided with circuit board 106 between casing bottom lid 103 and the wave filter casing 101, and bolt hole 105 has all been seted up to four tip departments of casing bottom lid 103, the position block that one side of wave filter casing 101 corresponds joint jack 102 has contact head structure 2, and the position block that the opposite side of wave filter casing 101 corresponds joint jack 102 has output head structure 3.

In order to make the electrical contact structure 2 and the output contact structure 3 more common, in the present embodiment, it is preferable that each of the electrical contact structure 2 and the output contact structure 3 is composed of a connecting piece structure 4 and a connecting piece base structure 5.

In order to facilitate the installation of the connecting piece 401, in this embodiment, preferably, the connecting piece structure 4 includes a connecting piece 401, one end of the connecting piece 401 is provided with an electrical connection terminal 402, and one end of each of the connecting piece 401 and the electrical connection terminal 402 is provided with a welding hole 403, and the electrical connection terminal 402 and the connecting piece 401 are of an integrated structure.

In order to fix the base 501 firmly and facilitate installation, in this embodiment, preferably, the connection sheet base structure 5 includes a base 501, a connection sheet clamping groove 502 is formed in one side of the base 501, a base fixing end 503 is arranged on one side of the connection sheet clamping groove 502, and a trapezoidal rod limiting hole 504 is formed in the base fixing end 503.

In order to facilitate the base fixing end 503 to be fixed in a limited manner, in this embodiment, it is preferable that the base fixing end 503 is matched with the size of the connector insertion hole 102, and the base fixing end 503 is fixedly connected with the filter housing 101 by the connector fastening trapezoidal bar 104, and the connector fastening trapezoidal bar 104 is matched with the size of the trapezoidal bar limiting hole 504.

In order to facilitate the transmission of electric energy, in this embodiment, the connecting sheet 401 and the circuit board 106 are preferably electrically connected.

The utility model discloses a theory of operation and use flow: the utility model discloses after installing, at first inspect the utility model discloses an installation is fixed and safety protection, then just can use, during the installation, at first put filter housing 101 upside down, fix inside filter housing 101 with circuit board 106 installation after that, then will connect electric head structure 2 and output head structure 3 to insert inside the joint jack 102 that corresponds respectively, and will connect electric end 402 and circuit board 106 inside electric wire connection of electric head structure 2 and output head structure 3 fixed, and can with the junction tin soldering of electric wire, after that aim at each trapezoidal pole spacing hole 504 and insert the installation with the joint fastening trapezoidal pole 104 of casing bottom 103 one side, through the bolt with casing bottom 103 and filter housing 101 installation fixed can, inside inserting trapezoidal pole spacing hole 504 when joint fastening trapezoidal pole 104, and when the depth of insertion deepened gradually, the inclined plane of meeting joint fastening trapezoidal pole 104 can produce to the inclined plane of trapezoidal pole spacing hole 504 inside filter housing 101 The pulling force causes the base 501 to abut the outer wall of the filter housing 101.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a DC power supply filter convenient to installation, includes filter overall structure (1), its characterized in that: filter overall structure (1) includes wave filter casing (101), joint jack (102) have been seted up in pairs at the both ends of wave filter casing (101), and the bottom mounting of wave filter casing (101) has casing bottom (103), casing bottom (103) and wave filter casing (101) pass through bolt fixed connection, and one side symmetry of casing bottom (103) is provided with joint fastening trapezoidal pole (104), be provided with circuit board (106) between casing bottom (103) and wave filter casing (101), and four extreme points department of casing bottom (103) have all seted up bolt hole (105), the position block that one side of wave filter casing (101) corresponds joint jack (102) has connect electric head structure (2), and the position block that the opposite side of wave filter casing (101) corresponds joint jack (102) has output head structure (3).

2. A dc power filter as set forth in claim 1, wherein: the electric connector structure (2) and the output connector structure (3) are both composed of a connecting sheet structure (4) and a connecting sheet base structure (5).

3. A dc power filter as set forth in claim 2, wherein: connecting piece structure (4) are including connecting piece (401), the one end of connecting piece (401) is provided with connects electric end (402), and connecting piece (401) and the one end of connecting electric end (402) have all seted up welding hole (403), connect electric end (402) and connecting piece (401) formula structure as an organic whole.

4. A dc power filter as set forth in claim 2, wherein: the connecting piece base structure (5) comprises a base (501), a connecting piece clamping groove (502) is formed in one side of the base (501), a base fixing end (503) is arranged on one side of the connecting piece clamping groove (502), and a trapezoidal rod limiting hole (504) is formed in the base fixing end (503).

5. A dc power filter as set forth in claim 4, wherein: the size looks adaptation of base stiff end (503) and joint jack (102), and base stiff end (503) and filter casing (101) through connect fastening trapezoidal pole (104) block fixed connection, connect the size looks adaptation of fastening trapezoidal pole (104) and trapezoidal pole spacing hole (504).

6. A dc power filter as set forth in claim 3, wherein: the connecting sheet (401) is electrically connected with the circuit board (106).