阅读说明：本技术 一种三相滤波器 (Three-phase filter ) 是由 徐建军 林其昌 于 2020-07-14 设计创作，主要内容包括：本发明涉及滤波器领域,具体的说是一种三相滤波器,包括三相滤波器本体、散热机构、防护机构、保护机构和底板,两个规格相同的所述散热机构对称分布在三相滤波器本体的两侧,且散热机构包括散热孔、防尘网、滑动腔、滑杆、滑动块和刷板,若干个规格相同的所述散热孔开设在三相滤波器本体的侧壁上,且每一个散热孔上均固定安装有防尘网,两个垂直设置的所述滑动腔对称开设在三相滤波器本体两侧壁上,且滑动腔内固定安装有垂直设置的滑杆,而滑杆上套设有阻尼橡胶垫,所述滑杆上套设有滑动连接的滑动块,且两个滑动块之间固定安装有刷板,所述刷板的内壁嵌合有刷毛。本发明提供的三相滤波器具有散热以及防水的优点。(The invention relates to the field of filters, in particular to a three-phase filter, which comprises a three-phase filter body, a heat dissipation mechanism, a protection mechanism and a bottom plate, wherein the two heat dissipation mechanisms with the same specification are symmetrically distributed on two sides of the three-phase filter body, the heat dissipation mechanism comprises heat dissipation holes, a dust screen, a sliding cavity, a sliding rod, a sliding block and a brush plate, wherein a plurality of heat dissipation holes with the same specification are arranged on the side wall of the three-phase filter body, and each heat dissipation hole is fixedly provided with a dust screen, two vertically arranged sliding cavities are symmetrically arranged on two side walls of the three-phase filter body, and vertically arranged sliding rods are fixedly arranged in the sliding cavities, and the slide bar is sleeved with a damping rubber pad, the slide bar is sleeved with sliding blocks in sliding connection, a brush plate is fixedly mounted between the two sliding blocks, and bristles are embedded in the inner wall of the brush plate. The three-phase filter provided by the invention has the advantages of heat dissipation and water resistance.)

1. A three-phase filter is characterized by comprising a three-phase filter body (1), two heat dissipation mechanisms (2), a protection mechanism (3), an air blowing mechanism (4) and a bottom plate (6), wherein the two heat dissipation mechanisms (2) with the same specification are symmetrically distributed on two sides of the three-phase filter body (1), the heat dissipation mechanisms (2) comprise heat dissipation holes (21), dust screens (22), sliding cavities (23), sliding rods (24), sliding blocks (25) and brush plates (26), the heat dissipation holes (21) with the same specification are formed in the side walls of the three-phase filter body (1), each heat dissipation hole (21) is fixedly provided with a dust screen (22), the two sliding cavities (23) which are vertically arranged are symmetrically formed in the two side walls of the three-phase filter body (1), and the sliding rods (24) which are vertically arranged are fixedly arranged in the sliding cavities (23), sliding blocks (25) in sliding connection are sleeved on the sliding rods (24), a brush plate (26) is fixedly installed between the two sliding blocks (25), bristles are embedded in the inner wall of the brush plate (26), and the bristles are in contact with the side wall of the three-phase filter body (1); the protection mechanism (3) is arranged on the upper surface of the three-phase filter body (1); the two same blowing mechanisms (4) are arranged on two end faces of the three-phase filter body (1); the bottom plate (6) is connected with the lower surface of the three-phase filter body (1) through a plurality of identical buffer mechanisms (5).

2. The three-phase filter according to claim 1, wherein the protection mechanism (3) comprises a silica gel rubber block (31) and a heat dissipation fin (32), the silica gel rubber block (31) is fixedly embedded at the top of the three-phase filter body (1), a plurality of grooves are formed in two side faces of the silica gel rubber block (31), and the heat dissipation fin (32) is fixedly embedded in each groove.

3. The three-phase filter of claim 1, wherein two identical blowing mechanisms (4) are installed on two end faces of the three-phase filter body (1), each blowing mechanism (4) comprises a hollow plate (41), an air bag (42), a spring (43), an inner plate (44) and metal sheets (45), the air bags (42) are installed in the hollow plates (41), the upper face and the lower face of each air bag (42) are respectively and elastically connected with the side walls of the hollow plates (41) through the springs (43), the inner plates (44) are arranged in the hollow plates (41), the inner walls of the hollow plates (41) are fixedly embedded with the metal sheets (45), the inner extension ends of the sliding blocks (25) abut against the air bags (42), and air outlets of the air bags (42) are located on the inner sides of dust screens (22).

4. The three-phase filter according to claim 1, wherein the buffer mechanism (5) comprises a first rotating rod (51), a second rotating rod (52) and a pressure spring (53), one end of the first rotating rod (51) is hinged to the lower surface of the three-phase filter body (1), one end of the second rotating rod (52) is hinged to the upper surface of the bottom plate (6), the first rotating rod (51) is rotatably connected with one end of the second rotating rod (52) adjacent to the first rotating rod, and the pressure spring (53) is installed between the first rotating rod (51) and the second rotating rod (52), one end of the pressure spring (53) is fixedly connected with the inner wall of the middle part of the first rotating rod (51), and the other end of the pressure spring (53) is fixedly connected with the inner wall of the middle part of the second rotating rod (52).

5. The three-phase filter according to claim 1, wherein the lower surface of the bottom plate (6) is provided with a plurality of uniformly distributed hemispherical cavities, each hemispherical cavity is fixedly provided with a rubber ball (7), and the rubber block (31) in the protection mechanism (3) is trapezoidal.

Technical Field

The invention relates to the field of filters, in particular to a three-phase filter.

Background

The power filter is a filter circuit consisting of a capacitor inductor and a resistor, and can effectively filter a frequency point of a specific frequency in a power line or frequencies except the frequency point to obtain a power signal of the specific frequency, so that the waterproof and dustproof three-phase power filter is applied more frequently.

The types of the filters on the market are many, the requirements of people can be basically solved, but some problems are troubled by people, and the specific problems are as follows: when the filter is used in a hot area with more outdoor rainwater, the filter is frequently burnt out due to serious internal heating because the heat generated inside the filter in the long-time working process is larger. Therefore, it is necessary to provide a three-phase filter to solve the above technical problems.

Disclosure of Invention

The invention provides a three-phase filter aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a three-phase filter comprises a three-phase filter body, two heat dissipation mechanisms, a protection mechanism, an air blowing mechanism and a bottom plate, wherein the two heat dissipation mechanisms with the same specification are symmetrically distributed on two sides of the three-phase filter body, each heat dissipation mechanism comprises heat dissipation holes, a dust screen, a sliding cavity, a sliding rod, a sliding block and a brush plate, a plurality of heat dissipation holes with the same specification are formed in the side wall of the three-phase filter body, each heat dissipation hole is fixedly provided with the dust screen, the two vertically arranged sliding cavities are symmetrically formed in the two side walls of the three-phase filter body, the vertically arranged sliding rods are fixedly arranged in the sliding cavities, the sliding rods are sleeved with sliding blocks in sliding connection, the brush plates are fixedly arranged between the two sliding blocks, bristles are embedded in the inner walls of the brush plates, and the bristles are in; the protection mechanism is arranged on the upper surface of the three-phase filter body; the two same blowing mechanisms are arranged on two end faces of the three-phase filter body; the bottom plate is connected with the lower surface of the three-phase filter body through a plurality of same buffer mechanisms.

Preferably, the protection machanism includes silica gel block rubber and radiating fin, the fixed gomphosis of silica gel block rubber is at the top of three-phase filter body, and a plurality of recesses have been seted up to the both sides face of silica gel block rubber, and all fixed gomphosis has radiating fin in each recess.

Preferably, two the same the both ends face at the three-phase filter body is installed to the mechanism of blowing, the mechanism of blowing includes well hollow plate, gasbag, spring, inner panel and sheetmetal, install the gasbag in the well hollow plate, and the upper and lower two sides of gasbag are respectively through the lateral wall elastic connection of spring with well hollow plate, be provided with the inner panel in the well hollow plate, and the fixed gomphosis of well hollow plate inner wall has a plurality of sheetmetal, just the inside extension end of sliding block is contradicted the gasbag, just the gas outlet of gasbag is located the inboard of dust screen.

Preferably, buffer gear includes first dwang, second dwang and pressure spring, the one end of first dwang is articulated with the lower surface of three-phase filter body, the one end of second dwang is articulated with the upper surface of bottom plate, first dwang is rotated with the one end that the second dwang is adjacent and is connected, and installs the pressure spring between first dwang and the second dwang, the one end and the inner wall fixed connection at first dwang middle part of pressure spring, and the other end of pressure spring and the inner wall fixed connection at second dwang middle part.

Preferably, a plurality of hemispherical cavities which are uniformly distributed are formed in the lower surface of the bottom plate, a rubber ball is fixedly mounted in each hemispherical cavity, and rubber blocks in the protection mechanism are trapezoidal.

Compared with the related art, the three-phase filter provided by the invention has the following beneficial effects:

(1) according to the invention, heat generated by the three-phase filter body in a working state is discharged through the heat dissipation holes, the dust screen on the heat dissipation holes effectively reduces external dust entering the three-phase filter body, and the brush plates slide up and down to enable the brush bristles on the brush plates to wash the dust stained by the dust screen on the heat dissipation holes, so that the cleanness of the heat dissipation mechanism is improved, and the phenomenon of poor heat dissipation effect caused by excessive dust accumulation in the dust screen on the heat dissipation holes is avoided; simultaneously, because the arc brush board is favorable to downstream under the impact of rainwater, realize arranging the louvre outward and protect, prevent that the rainwater from entering into the inside of wave filter.

(2) When the three-phase filter body works and is vibrated, the distance between the bottom plate and the three-phase filter body is reduced, so that the first rotating rod and the second rotating rod rotate oppositely, the pressure spring is compressed, the amplitude generated by the three-phase filter body is reduced, and the protection of the three-phase filter body is improved.

Drawings

Fig. 1 is a schematic structural diagram of a three-phase filter according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of the blowing mechanism shown in FIG. 1;

fig. 3 is a schematic structural diagram of a buffering mechanism in a three-phase filter according to the present invention;

fig. 4 is an enlarged schematic view of a portion a shown in fig. 3.

Reference numbers in the figures: 1. three-phase filter body, 2, heat dissipation mechanism, 21, louvre, 22, dust screen, 23, sliding chamber, 24, slide bar, 25, sliding block, 26, brush board, 3, protection mechanism, 31, silica gel block rubber, 32, radiating fin, 4, air blowing mechanism, 41, cavity board, 42, gasbag, 43, spring, 44, inner panel, 45, sheetmetal, 5, buffer gear, 51, first dwang, 52, second dwang, 53, pressure spring, 6, bottom plate, 7, rubber ball.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1, 2, 3 and 4, a three-phase filter includes a three-phase filter body 1, heat dissipation mechanisms 2, a protection mechanism 3, an air blowing mechanism 4 and a bottom plate 6, wherein two heat dissipation mechanisms 2 with the same specification are symmetrically distributed on two sides of the three-phase filter body 1, each heat dissipation mechanism 2 includes a heat dissipation hole 21, a dust screen 22, a sliding cavity 23, a sliding rod 24, a sliding block 25 and a brush plate 26, a plurality of heat dissipation holes 21 with the same specification are formed on the side wall of the three-phase filter body 1, each heat dissipation hole 21 is fixedly provided with a dust screen 22, two sliding cavities 23 vertically arranged are symmetrically formed on two side walls of the three-phase filter body 1, a sliding rod 24 vertically arranged is fixedly arranged in the sliding cavity 23, a damping rubber pad is sleeved on the sliding rod 24, and a sliding block 25 connected with the sliding rod 24 is sleeved on the sliding rod, a brush plate 26 is fixedly installed between the two sliding blocks 25, bristles are embedded in the inner wall of the brush plate 26, and the bristles are in contact with the side wall of the three-phase filter body 1; the heat that three-phase filter body 1 produced when being in operating condition is arranged outside through louvre 21, and the effectual external dust that has reduced on the louvre 21 of dust screen 22 on the louvre 21 enters into three-phase filter body 1, brush board 26 that slides from top to bottom makes the brush hair on the brush board 26 wash the dust that dust screen 22 is infected with on the louvre 21, thereby the cleanliness factor of heat dissipation mechanism 2 has been improved, dust piles up too much and leads to the not good phenomenon of radiating effect in dust screen 22 on the louvre 21 has been avoided, because curved brush board 26 is favorable to downstream under the impact of rainwater, the realization is arranged the outside of louvre 21 and is protected, prevent that the rainwater from entering into the inside of wave filter.

Refer to fig. 1, the upper surface at three-phase filter body 1 is installed to protection machanism 3, protection machanism 3 includes silica gel block rubber 31 and radiating fin 32, the fixed gomphosis of silica gel block rubber 31 is at the top of three-phase filter body 1, and rubber block rubber 31 among the protection machanism 3 is trapezoidal, and a plurality of recesses have been seted up to the both sides face of silica gel block rubber 31, and the equal fixed gomphosis of equal in each recess has radiating fin 32, and the silica gel block rubber 31 of 1 top gomphosis of three-phase filter body dispels the heat to three-phase filter body 1, and radiating fin 32 on the silica gel block rubber 31 has further improved the radiating efficiency of silica gel block rubber 31.

Referring to fig. 2, two identical air blowing mechanisms 4 are installed on two end faces of the three-phase filter body 1, the air blowing mechanism 4 includes a hollow plate 41, an air bag 42, a spring 43, an inner plate 44 and a metal sheet 45, the air bag 42 is installed in the hollow plate 41, and the upper and lower surfaces of the air bag 42 are elastically connected with the side wall of the hollow plate 41 through springs 43, respectively, an inner plate 44 is provided in the hollow plate 41, and a plurality of metal sheets 45 are fixedly embedded on the inner wall of the hollow plate 41, the inner extension end of the sliding block 25 is abutted against the air bag 42, the air outlet of the air bag 42 is positioned at the inner side of the dust screen 22, when the three-phase filter body 1 is subjected to large rainwater, the sliding block 25 moves downwards, the air bag 42 is extruded to be suppressed, so that the springs 43 on the two sides are compressed, thereby blow out the drop of water on the dust screen 22, the three-phase filter body 1 has effectively been protected.

Referring to fig. 3 and 4, the bottom plate 6 is connected with the lower surface of the three-phase filter body 1 through a plurality of identical buffer mechanisms 5, the buffer mechanisms 5 include a first rotating rod 51, a second rotating rod 52 and a pressure spring 53, one end of the first rotating rod 51 is hinged with the lower surface of the three-phase filter body 1, one end of the second rotating rod 52 is hinged with the upper surface of the bottom plate 6, one end of the first rotating rod 51 adjacent to the second rotating rod 52 is rotatably connected, and the pressure spring 53 is installed between the first rotating rod 51 and the second rotating rod 52, one end of the pressure spring 53 is fixedly connected with the inner wall in the middle of the first rotating rod 51, the other end of the pressure spring 53 is fixedly connected with the inner wall in the middle of the second rotating rod 52, when the three-phase filter body 1 is vibrated, the distance between the bottom plate 6 and the three-phase filter body 1 is reduced, so that the first rotating rod 51 and, consequently, pressure spring 53 receives the compression and then has reduced the amplitude that three phase filter body 1 produced, has improved the protection to three phase filter body 1, a plurality of evenly distributed's hemisphere chamber is seted up to the lower surface of bottom plate 6, and the equal fixed mounting in each hemisphere intracavity has rubber ball 7, and rubber ball 7 has not only improved the stability when three phase filter body 1 installs and three phase filter body 1's buffer capacity.

The working principle of the three-phase filter provided by the invention is as follows: the heat generated by the three-phase filter body 1 in the working state is discharged outside through the heat dissipation holes 21, the dust screen 22 on the heat dissipation holes 21 effectively reduces the entrance of external dust into the three-phase filter body 1, the brush plates 26 slide up and down to enable the bristles on the brush plates 26 to wash the dust stained by the dust screen 22 on the heat dissipation holes 21, thereby improving the cleanness of the heat dissipation mechanism 2, and avoiding the phenomenon that the dust in the dust screen 22 on the heat dissipation holes 21 is accumulated too much to cause poor heat dissipation effect, the silicone rubber block 31 embedded at the top of the three-phase filter body 1 dissipates heat of the three-phase filter body 1, the heat dissipation fins 32 on the silicone rubber block 31 further improve the heat dissipation efficiency of the silicone rubber block 31, when the three-phase filter body 1 is subjected to rainwater greatly, the slide block 25 moves down, and the air bag 42 is extruded to become blocked, make the spring 43 of both sides receive the compression, thereby blow off the drop of water on the dust screen 22, the effectual three-phase filter body 1 that has protected, and when three-phase filter body 1 work received vibrations, the interval between bottom plate 6 and the three-phase filter body 1 reduces, thereby first dwang 51 rotates with second dwang 52 in opposite directions, consequently, the pressure spring 53 receives the compression and then has reduced the amplitude that three-phase filter body 1 produced, the protection to three-phase filter body 1 has been improved, stability and three-phase filter body 1's buffer capacity when rubber ball 7 on the bottom plate 6 has not only improved the installation of three-phase filter body 1.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.