CN219644366U

CN219644366U - Direct current filter with good sealing performance

Info

Publication number: CN219644366U
Application number: CN202222942553.1U
Authority: CN
Inventors: 聂仁豪
Original assignee: Shenzhen Wanda An Precision Technology Co ltd
Current assignee: Shenzhen Wanda An Precision Technology Co ltd
Priority date: 2022-11-05
Filing date: 2022-11-05
Publication date: 2023-09-05
Anticipated expiration: 2032-11-05

Abstract

The utility model belongs to the technical field of filters, and particularly relates to a direct current filter with good sealing performance, which comprises a bottom plate and a protective shell, wherein a placing groove is formed in the middle of the upper end of the bottom plate, an installation groove is formed in the upper end of the bottom plate, the depth of the installation groove is smaller than that of the placing groove, fixing plates are fixedly arranged at the front end and the rear end of the bottom plate, clamping pieces are fixedly arranged at the opposite ends of the two fixing plates, a sealing baffle is integrally formed at the lower part of the outer surface of the protective shell, positioning screws are respectively inserted and connected at four corners of the upper end of the sealing baffle, the sealing baffle is detachably arranged in the installation groove through the positioning screws, connecting wire sleeves are respectively inserted and connected at the left end and the right end of the protective shell, and a direct current filter body is arranged at the upper end of the placing groove. The utility model has good sealing performance through the design of the sealing baffle plate and the sealing baffle ring, and can lead out the heat accumulated in the protective shell through the mutual matching of the heat collecting strip and the heat radiating strip, thereby improving the use safety of the direct current filter body.

Description

Direct current filter with good sealing performance

Technical Field

The utility model relates to the technical field of filters, in particular to a direct current filter with good sealing performance.

Background

The DC filter is mainly used for blocking and shorting alternating current signals, can be used for filtering by using a capacitor to enable output waveforms to be more stable, improves withstand voltage by connecting the capacitors in series, and is connected in parallel to increase capacity to enable output direct current to be more stable, and the DC filter is used as important equipment of a convertor station and is arranged between a DC high-voltage bus and a neutral bus in parallel, so that the DC filter is the most effective means for inhibiting direct-current side harmonic waves of a high-voltage DC power transmission system.

At present, most of the existing filters lack of good tightness, so that the filters are easily corroded by water liquid in the use process, the use functionality of the filters is poor, meanwhile, the existing filters are poor in heat dissipation effect, and the internal electrical components of the filters are easily affected by high temperature during long-time work, so that the use stability of the filters is further improved. Therefore, we propose a dc filter with good sealing.

Disclosure of Invention

The utility model mainly aims to provide a direct current filter with good sealing performance, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a direct current filter that leakproofness is good, includes bottom plate and protecting crust, the upper end middle part of bottom plate is provided with the standing groove, the upper end of bottom plate is provided with the mounting groove, and the degree of depth of mounting groove is less than the degree of depth of standing groove, the equal fixed mounting in front and back both ends of bottom plate has the fixed plate, two the equal fixed mounting in opposite end of fixed plate has the holder, and two holders are the symmetry setting, the surface lower part integrated into one piece of protecting crust has sealing baffle, sealing baffle's upper end four corners all alternates and is connected with positioning screw, sealing baffle passes through positioning screw demountable installation in the mounting groove, both ends all alternate and are connected with the connecting wire cover about the protecting crust, the upper end of standing groove is provided with direct current filter body, direct current filter body is located between two holders, the both ends of direct current filter body all are provided with the connecting wire body.

Preferably, a plurality of heat dissipation strips are fixedly arranged at the upper end of the protective shell at equal intervals, a plurality of heat collecting strips are fixedly arranged at the upper inner wall of the protective shell at equal intervals, and the heat collecting strips and the heat dissipation strips are arranged in a staggered mode.

Preferably, the clamping piece comprises a clamping plate, sleeve columns are fixedly installed at two ends of the clamping plate, fixing rods are connected to one ends, far away from the clamping plate, of the sleeve columns in a penetrating mode, and buffer springs are fixedly installed at one ends, far away from the clamping plate, of the sleeve columns.

Preferably, one end of the fixing rod far away from the sleeve column is fixedly arranged with the fixing plate, one end of the buffer spring far away from the sleeve column is fixedly connected with the fixing plate, and the buffer spring is sleeved outside the fixing rod.

Preferably, the connecting wire sleeve comprises a sleeve, the sleeve and the protective shell are connected together in a penetrating mode, a sealing baffle ring is fixedly arranged in the middle of the outer surface of the sleeve, the sealing baffle ring is located on the end face of the protective shell, and a rubber ring is fixedly arranged in the sleeve.

Preferably, the connecting wire body is sleeved in the sleeve, and the outer surface of the connecting wire body is tightly attached to the inner surface of the rubber ring.

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

1. according to the utility model, the joint of the protective shell and the bottom plate can be effectively sealed through the design of the sealing baffle, so that water is prevented from entering the protective shell, the joint of the sleeve and the protective shell can be sealed through the design of the sealing baffle, the water is prevented from entering the protective shell through the sleeve, the direct current filter body has good sealing performance, the protective shell is prevented from being corroded by the water in the use process, and the use functionality of the protective shell is improved.

2. According to the utility model, through the mutual matching of the heat collecting strip and the heat radiating strip, heat accumulated in the protective shell can be guided out, so that the internal electric elements of the direct current filter body cannot be affected by high temperature during long-time working, the use safety of the direct current filter body is improved, the direct current filter body is clamped through the mutual matching of the clamping plates through the arrangement of the clamping pieces, the stability of the direct current filter body in the protective shell can be improved, the collision between the direct current filter body and the inner surface of the protective shell is avoided, and the safety is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a DC filter with good sealing performance according to the present utility model;

FIG. 2 is a schematic diagram showing the internal structure of a protective housing of a DC filter with good sealing property according to the present utility model;

FIG. 3 is a schematic structural view of a clamping member of a DC filter with good sealing property according to the present utility model;

fig. 4 is a schematic structural diagram of a connecting wire sleeve of a dc filter with good sealing performance according to the present utility model.

In the figure: 1. a bottom plate; 2. a placement groove; 3. a mounting groove; 4. a fixing plate; 5. a clamping member; 6. a protective shell; 7. a sealing baffle; 8. positioning a screw; 9. a connecting wire sleeve; 10. a DC filter body; 11. a connecting wire body; 51. a clamping plate; 52. a sleeve column; 53. a fixed rod; 54. a buffer spring; 61. a heat collecting bar; 62. a heat dissipation strip; 91. a sleeve; 92. a sealing baffle ring; 93. a rubber ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a DC filter that leakproofness is good, including bottom plate 1 and protecting crust 6, the upper end middle part of bottom plate 1 is provided with standing groove 2, the upper end of bottom plate 1 is provided with mounting groove 3, and the degree of depth of mounting groove 3 is less than the degree of depth of standing groove 2, the equal fixed mounting in front and back both ends of bottom plate 1 has fixed plate 4, the equal fixed mounting in opposite ends of two fixed plates 4 has clamping piece 5, and two clamping pieces 5 are the symmetry setting, the surface lower part integrated into one piece of protecting crust 6 has sealing baffle 7, sealing baffle 7's upper end four corners all alternates and is connected with positioning screw 8, sealing baffle 7 passes through positioning screw 8 demountable installation in mounting groove 3, both ends all alternate to be connected with connecting wire cover 9 about protecting crust 6, the upper end of standing groove 2 is provided with DC filter body 10, DC filter body 10 is located between two clamping pieces 5, DC filter body 10's both ends all are provided with connecting wire body 11.

The upper end of the protective shell 6 is fixedly provided with a plurality of heat radiating strips 62 at equal intervals, the upper inner wall of the protective shell 6 is fixedly provided with a plurality of heat collecting strips 61 at equal intervals, the heat collecting strips 61 and the heat radiating strips 62 are arranged in a staggered mode, heat accumulated in the protective shell 6 can be guided out through the mutual matching of the heat collecting strips 61 and the heat radiating strips 62, internal electric elements of the direct current filter body 10 cannot be affected by high temperature when the direct current filter body 10 works for a long time, and therefore the use safety of the direct current filter body 10 is improved; the clamping piece 5 comprises a clamping plate 51, sleeve columns 52 are fixedly arranged at two ends of the clamping plate 51, fixing rods 53 are connected to one ends, far away from the clamping plate 51, of the two sleeve columns 52 in a penetrating mode, buffer springs 54 are fixedly arranged at one ends, far away from the clamping plate 51, of the two sleeve columns 52, the direct current filter body 10 is clamped through the mutual matching of the clamping plate 51, the stability of the direct current filter body 10 in the protective shell 6 can be improved, the collision between the direct current filter body 10 and the inner surface of the protective shell 6 is avoided, and the safety is improved; one end of the fixed rod 53, which is far away from the sleeve column 52, is fixedly installed with the fixed plate 4, one end of the buffer spring 54, which is far away from the sleeve column 52, is fixedly connected with the fixed plate 4, and the buffer spring 54 is sleeved outside the fixed rod 53; the connecting wire sleeve 9 comprises a sleeve 91, the sleeve 91 is connected with the protective shell 6 in a penetrating way, a sealing baffle ring 92 is fixedly arranged in the middle of the outer surface of the sleeve 91, the sealing baffle ring 92 is positioned on the end face of the protective shell 6, the joint of the sleeve 91 and the protective shell 6 can be sealed through the design of the sealing baffle ring 92, water is prevented from entering the protective shell 6 through the sleeve 91, the direct current filter body 10 can have good sealing performance, and a rubber ring 93 is fixedly arranged in the sleeve 91; the connecting wire body 11 is sleeved in the sleeve 91, and the outer surface of the connecting wire body 11 is tightly attached to the inner surface of the rubber ring 93.

In particular, in the use process, through the arrangement of the clamping piece 5, the clamping piece 51 is used for clamping the direct current filter body 10, so that the stability of the direct current filter body 10 in the protective shell 6 can be improved, the collision between the direct current filter body 10 and the inner surface of the protective shell 6 is avoided, the safety is improved, the joint of the protective shell 6 and the bottom plate 1 can be effectively sealed through the design of the sealing baffle 7, water is prevented from entering the protective shell 6, the joint of the sleeve 91 and the protective shell 6 can be sealed through the design of the sealing baffle ring 92, the water is prevented from entering the protective shell 6 through the sleeve 91, the direct current filter body 10 can have good sealing performance, the protective shell 6 is prevented from being corroded by the water in the use process, the use functionality of the shell 6 is improved, and the heat accumulating strips 61 and 62 are used in a mutually matched mode, the accumulated quantity of the protective shell 6 is led out, the direct current filter body 10 is prevented from being influenced by the heat radiating element to the high temperature of the direct current filter body 10 in the long-time working process, and the stability of the direct current filter body can be improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a direct current filter that leakproofness is good, includes bottom plate (1) and protecting crust (6), its characterized in that: the utility model discloses a DC filter, including bottom plate (1), mounting plate (1), connecting wire cover (9), mounting plate (2) are provided with, mounting plate (1) are provided with mounting groove (2) in the middle part of the upper end, the upper end of bottom plate (1) is provided with mounting groove (3), and the degree of depth of mounting groove (3) is less than the degree of depth of mounting groove (2), both ends all fixed mounting have fixed plate (4) around bottom plate (1), two the equal fixed mounting of opposite end of fixed plate (4) has clamping piece (5), and two clamping pieces (5) are the symmetry setting, the surface lower part integrated into one piece of protecting crust (6) has sealing baffle (7), sealing baffle (7) are all alternatingly in the upper end four corners of sealing baffle (7) and are connected with positioning screw (8), sealing baffle (7) are connected with connecting wire cover (9) through positioning screw (8) demountable installation in mounting groove (3), the upper end of mounting groove (2) is provided with DC filter body (10), DC filter body (10) are located between two clamping pieces (5), DC filter body (10) are provided with both ends (11).

2. The direct current filter with good sealing performance according to claim 1, wherein: the upper end of the protecting shell (6) is fixedly provided with a plurality of heat dissipation strips (62) at equal intervals, the upper inner wall of the protecting shell (6) is fixedly provided with a plurality of heat collection strips (61) at equal intervals, and the heat collection strips (61) and the heat dissipation strips (62) are arranged in a staggered mode.

3. A dc filter with good sealing as claimed in claim 2, characterized in that: clamping piece (5) are including grip block (51), the equal fixed mounting in both ends of grip block (51) has loop post (52), two the one end that grip block (51) was kept away from to loop post (52) is all interlude and is connected with dead lever (53), two the one end that grip block (51) was kept away from to loop post (52) is all fixed mounting has buffer spring (54).

4. A dc filter with good sealing as claimed in claim 3, wherein: one end of the fixing rod (53) far away from the sleeve column (52) is fixedly arranged with the fixing plate (4), one end of the buffer spring (54) far away from the sleeve column (52) is fixedly connected with the fixing plate (4), and the buffer spring (54) is sleeved outside the fixing rod (53).

5. The direct current filter with good sealing performance according to claim 1, wherein: the connecting wire sleeve (9) comprises a sleeve (91), the sleeve (91) is connected with the protective shell (6) in a penetrating mode, a sealing baffle ring (92) is fixedly installed in the middle of the outer surface of the sleeve (91), the sealing baffle ring (92) is located on the end face of the protective shell (6), and a rubber ring (93) is fixedly installed in the sleeve (91).

6. The direct current filter with good sealing performance according to claim 5, wherein: the connecting wire body (11) is sleeved in the sleeve (91), and the outer surface of the connecting wire body (11) is tightly attached to the inner surface of the rubber ring (93).