CN209593379U - A kind of passive filter structure - Google Patents

Abstract

The utility model discloses a kind of passive filter structures, including filter housing, the bottom outer surface of the filter housing, which is bolted, is equipped with seal base, and the leading exterior surface of filter housing is fixedly installed with radiator window respectively close to two side positions, a side external surface of the filter housing is fixedly installed with terminal plate close to the position of seal base.A kind of passive filter structure described in the utility model, by the way that the conducting wire for needing to connect is inserted into connecting groove, later by crushing line knife, so that broken line knife punctures conducting wire, so that conducting wire is connect with filter, can either simply and easily conducting wire be fixed and be replaced, fixation is more stable simultaneously, external air is sent to the inside of filter by blower, by the air for squeezing filter internal, so that the air inside filter housing is discharged, it can enter in filter and radiate to avoid the extraneous air with dust and moisture.

Description

A kind of passive filter structure

Technical field

The utility model relates to filter field, in particular to a kind of passive filter structure.

Background technique

Passive filter, also known as LC filter are the filtered electricals constituted using the Combination Design of inductance, capacitor and resistance Road can filter out certain primary or multiple harmonic, and the most common passive filter structure for being easy to use is to be connected in series to the capacitor inductance；

Existing passive filter structure (1), when in use, needs first conducting wire be needed to connect there are certain drawbacks It is connected on passive filter, the electric current passed through is filtered by passive filter, is transported again by passive filter later, it is complete At filtering, but existing passive filter needs first to use tool by the exhausted of conducting wire outer surface when conducting wire is fixed The excision of edge rubber, and is inserted into connecting groove, finally, pass through the fishbolt of tool pivot head, by squeeze to conducting wire into Row is fixed, and process is cumbersome, when replacing to conducting wire, is needed to remove in original conducting wire and is installed new conducting wire again, and pass through The structure being fixed is squeezed, will appear stripped thread using between rear internal and external threads for a long time, extruding fixation can not be carried out； (2), when existing passive filter radiates, by the way that external air is sent to inside, then internal air is transported outward, Realize the exchange of inner air and outer air, but extraneous dust and moisture can follow air to enter the inside of filter, influence to filter Circuit environment inside device, for this purpose, it is proposed that a kind of passive filter structure.

Utility model content

The main purpose of the utility model is to provide a kind of passive filter structures, can effectively solve in background technique The problem of.

To achieve the above object, the technical solution that the utility model is taken are as follows:

A kind of passive filter structure, including filter housing, the bottom outer surface of the filter housing pass through bolt It is fixedly installed with seal base, and the leading exterior surface of filter housing is fixedly installed with heat dissipation respectively close to two side positions One side external surface of window, the filter housing is fixedly installed with terminal plate close to the position of seal base, the terminal plate Top outer surface offers multiple connecting grooves, and offers loose slot between the leading exterior surface and connecting groove of terminal plate, activity The inner surface of slot is movably installed with connecting column, and the connecting column is welded with brokenly line at one end outer surface center of connecting groove Knife, and the inside of connecting column is bonded with electro-insulating rubber close to the position of broken line knife, outside the one end of the connecting column far from broken line knife Surface is bonded with knob, and the inside of the terminal plate is fixedly installed with copper sheet close to connecting groove and broken line knife relative position, described Copper sheet offers slot close to the side of broken line knife, and the inner surface upper and lower ends position of slot is welded with extruding copper sheet.

Preferably, the top outer surface of the filter housing offers air inlet, and the fixed peace of inner surface of air inlet Equipped with Air Filter, the inner surface of the filter housing is welded with support plate close to apical position, and the top outer surface of support plate with Two side positions between the inner surface of filter housing close to air inlet are fixedly installed with blower, the top appearance of the support plate Face is fixedly installed with water absorbent net close to two side positions.

Preferably, the inside of the terminal plate offers spring groove, the appearance of the connecting column close to the position of loose slot Face is welded with baffle ring close to the inner surface position of terminal plate, a side external surface of the baffle ring far from connecting groove and spring groove inner surface it Between be equipped with spring.

Preferably, the filter housing is bolted close to a side external surface of terminal plate and is equipped with control plane The leading exterior surface of plate, control panel is equipped with switch button.

Preferably, the bottom outer surface of the seal base is bonded with rubber pad, and the top outer surface of seal base is leaned on The position of nearly filter housing, which is bolted, is equipped with circuit board.

Preferably, the copper sheet is connected with No.1 conducting wire far from an end position of connecting groove, and copper sheet passes through conducting wire and electricity Road plate is electrically connected.

Preferably, the bottom outer surface of the support plate is fixedly installed with collecting box, and the inner bottom surface of collecting box is fixedly installed with Hairbrush pad.

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

1, by the way that the conducting wire for needing to connect to be inserted into connecting groove, later by line knife is crushed, so that breaking line knife for conducting wire It punctures, so that conducting wire is connect with filter, can either simply and easily conducting wire is fixed and be replaced, while fixation is more steady It is fixed；

2, external air is sent between support plate and filter housing by blower, right later by the filtering of Air Filter The dust of entrance is filtered, then into the water suction for crossing water absorbent net, air is finally sent to the inside of filter again, passes through extruding The air of filter internal, so that the air inside filter housing is discharged, it can be to avoid the extraneous sky for having dust and moisture Gas, which enters in filter, to radiate, and improves the safety that filter uses；

3, hairbrush pad is placed in the underface that the top outer surface of support plate is located at air inlet, the contact area of hairbrush pad is big, And adhesive is good, it can adhesion dust well, moreover it is possible to prevent blower from dust being blown.

Detailed description of the invention

Fig. 1 is a kind of passive filter structure overall structure diagram of the utility model；

Fig. 2 is the partial cross-sectional view of terminal plate in a kind of passive filter structure of the utility model；

Fig. 3 is the enlarged drawing of A in a kind of passive filter structure chart 2 of the utility model；

Fig. 4 is a kind of partial cross-sectional view of passive filter Structure Filter shell of the utility model.

In figure: 1, filter housing；2, seal base；3, radiator window；4, terminal plate；5, connecting groove；6, connecting column；7, it breaks Line knife；8, it shakes hands；9, copper sheet；10, slot；11, air inlet；12, support plate；13, blower；14, water absorbent net.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Referring to Fig.1 shown in -3, a kind of passive filter structure, including filter housing 1, outside the bottom end of filter housing 1 Surface, which is bolted, is equipped with seal base 2, and the leading exterior surface of filter housing 1 is solid respectively close to two side positions Dingan County is equipped with radiator window 3, and a side external surface of filter housing 1 is fixedly installed with terminal plate 4 close to the position of seal base 2, The top outer surface of terminal plate 4 offers multiple connecting grooves 5, and offers between the leading exterior surface of terminal plate 4 and connecting groove 5 Loose slot, the inner surface of loose slot are movably installed with connecting column 6, and connecting column 6 welds at one end outer surface center of connecting groove 5 It is connected to brokenly line knife 7, and the inside of connecting column 6 is bonded with electro-insulating rubber close to the position of broken line knife 7, connecting column 6 is far from broken line knife 7 One end outer surface be bonded with knob 8, the inside of terminal plate 4 is fixedly installed with copper close to connecting groove 5 and broken 7 relative position of line knife Plate 9, copper sheet 9 offer slot 10 close to the side of broken line knife 7, and the inner surface upper and lower ends position of slot 10 be welded with it is crowded Press copper sheet.

Referring to shown in Fig. 4, the top outer surface of filter housing 1 offers air inlet 11, and the inner surface of air inlet 11 It is fixedly installed with Air Filter, the inner surface of filter housing 1 is welded with support plate 12 close to apical position, and outside the top of support plate 12 Two side positions between surface and the inner surface of filter housing 1 close to air inlet 11 are fixedly installed with blower 13, support plate 12 Top outer surface be fixedly installed with water absorbent net 14 close to two side positions.

Referring to Fig. 2, the inside of terminal plate 4 offers spring groove close to the position of loose slot, and the outer surface of connecting column 6 is close The inner surface position of terminal plate 4 is welded with baffle ring, and baffle ring is set between a side external surface and spring groove inner surface far from connecting groove 5 There is spring.

Referring to Fig.1, filter housing 1 is bolted close to a side external surface of terminal plate 4 and is equipped with control panel, The leading exterior surface of control panel is equipped with switch button.

Referring to Fig. 4, the bottom outer surface of seal base 2 is bonded with rubber pad, and the top outer surface of seal base 2 is close The position of filter housing 1, which is bolted, is equipped with circuit board.

Referring to Fig. 3, copper sheet 9 is connected with No.1 conducting wire far from an end position of connecting groove 5, and copper sheet 9 passes through conducting wire and electricity Road plate is electrically connected.

Referring to Fig. 4, the bottom outer surface of support plate 12 is fixedly installed with collecting box, and hairiness is fixedly mounted in the inner bottom surface of collecting box Brush pad.

Hairbrush pad, the contact area of hairbrush pad are placed in the underface that the top outer surface of support plate 12 is located at air inlet 11 Greatly, and adhesive is good, can adhesion dust well, moreover it is possible to prevent blower 13 from dust being blown.

In use, passive filter is installed in circuit, firstly, manually by the drawing of specified 5 position front end of connecting groove Hand 8 is pulled outwardly, so that broken line knife 7 moves backward, reserves certain space for conducting wire, later, the conducting wire for needing to connect is straight It connects and is inserted into connecting groove 5, after insertion, Manual press knob 8, so that connecting column 6 drives broken line knife 7 to being inserted into connecting groove Conducting wire in 5 enters finally into slot 10 so that broken line knife 7 is inserted through insulation crust and internal conducting wire, passes through slot 10 The extruding copper sheet of inner surface, which squeezes, is bonded broken line knife 7 so that electric current enters brokenly in line knife 7 by conducting wire, then by break line knife 7 into Enter to copper sheet is squeezed, connect due to squeezing copper sheet with copper sheet 9, so that electric current flows into circuit board by copper sheet 9 and conducting wire, press Lower switch button opens blower 13, and external air is sent between support plate 12 and filter housing 1 by blower 13, empty Gas passes through the filtering of 11 inner surface Air Filter of air inlet, is filtered to the dust of entrance, then will be after dedusting by blower 13 Air is transported to two sides, by the water suction of water absorbent net 14, air is finally sent to the inside of filter again, into filter The air in portion increases, and squeezes the air of filter internal, so that the air inside filter housing 1 is discharged from radiator window 3, it can be with It avoids the extraneous air with dust and moisture from entering in filter to radiate, improves the safety that filter uses.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (7)

1. the bottom outer surface of a kind of passive filter structure, including filter housing (1), the filter housing (1) passes through Bolt is fixedly installed with seal base (2), and the leading exterior surface of filter housing (1) is pacified respectively close to two side positions are fixed Equipped with radiator window (3), a side external surface of the filter housing (1) is fixedly installed with close to the position of seal base (2) to be connect Line plate (4), it is characterised in that: the top outer surface of the terminal plate (4) offers multiple connecting grooves (5), and terminal plate (4) Loose slot is offered between leading exterior surface and connecting groove (5), the inner surface of loose slot is movably installed with connecting column (6), described Connecting column (6) is welded with brokenly line knife (7) at one end outer surface center of connecting groove (5), and the inside of connecting column (6) is close The position of broken line knife (7) is bonded with electro-insulating rubber, and the connecting column (6) is bonded with drawing far from one end outer surface of broken line knife (7) The inside of hand (8), the terminal plate (4) is fixedly installed with copper sheet (9), institute close to connecting groove (5) and broken line knife (7) relative position It states copper sheet (9) to offer slot (10) close to the side of broken line knife (7), and the inner surface upper and lower ends position of slot (10) is welded It is connected to extruding copper sheet.

2. a kind of passive filter structure according to claim 1, it is characterised in that: the top of the filter housing (1) End outer surface offers air inlet (11), and the inner surface of air inlet (11) is fixedly installed with Air Filter, the filter housing (1) inner surface is welded with support plate (12) close to apical position, and the top outer surface of support plate (12) and filter housing (1) Two side positions between inner surface close to air inlet (11) are fixedly installed with blower (13), the top appearance of the support plate (12) Face is fixedly installed with water absorbent net (14) close to two side positions.

3. a kind of passive filter structure according to claim 1, it is characterised in that: the inside of the terminal plate (4) is leaned on The position of nearly loose slot offers spring groove, and the outer surface of the connecting column (6) is welded close to the inner surface position of terminal plate (4) There is baffle ring, spring is equipped between a side external surface and spring groove inner surface of the baffle ring far from connecting groove (5).

4. a kind of passive filter structure according to claim 1, it is characterised in that: the filter housing (1) is close One side external surface of terminal plate (4), which is bolted, is equipped with control panel, and the leading exterior surface of control panel is equipped with switch Button.

5. a kind of passive filter structure according to claim 1, it is characterised in that: the bottom end of the seal base (2) Outer surface is bonded with rubber pad, and the top outer surface of seal base (2) is solid by bolt close to the position of filter housing (1) Dingan County is equipped with circuit board.

6. a kind of passive filter structure according to claim 5, it is characterised in that: the copper sheet (9) is far from connecting groove (5) a end position is connected with No.1 conducting wire, and copper sheet (9) is electrically connected by conducting wire and circuit board.

7. a kind of passive filter structure according to claim 2, it is characterised in that: the bottom end appearance of the support plate (12) Face is fixedly installed with collecting box, and the inner bottom surface of collecting box is fixedly installed with hairbrush pad.