CN213027814U - Power filter convenient to heat dissipation has waterproof construction - Google Patents
Power filter convenient to heat dissipation has waterproof construction Download PDFInfo
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- CN213027814U CN213027814U CN202022097781.4U CN202022097781U CN213027814U CN 213027814 U CN213027814 U CN 213027814U CN 202022097781 U CN202022097781 U CN 202022097781U CN 213027814 U CN213027814 U CN 213027814U
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- power filter
- heat dissipation
- fixed
- fan
- top cover
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Abstract
The utility model discloses a power filter convenient to heat dissipation has waterproof construction, including base and fan, the top of base has set gradually power filter casing and safety cover from inside to outside, and the left and right sides of safety cover is fixed with the footing, the fan is located the rear end of safety cover, the left and right sides of power filter casing is fixed with connector and heat dissipation strip from the centre in proper order to both sides, and the inside of power filter casing is fixed with the locating lever, the circuit board is installed to the lower extreme of locating lever. This power filter convenient to heat dissipation has waterproof construction compares with current ordinary power filter, through fan and heat dissipation strip, has increased the area of contact of power filter with the air for the air flow rate on power filter surface, the heat dissipation is rapid, seals through the sealing washer, prevents in water gets into power filter, and dehumidifies through the dry piece, protects power filter, protects this power filter not impacted, the damage that falls.
Description
Technical Field
The utility model relates to a power filter technical field specifically is a power filter convenient to heat dissipation has waterproof construction.
Background
The power filter is a filter circuit consisting of a capacitor, an inductor and a resistor, also known as a power EMI filter, or an EMI power filter, and is a passive bidirectional network, one end of which is a power supply and the other end is a load, and the principle of the power filter is that-an impedance adapting network: the larger the impedance adaptation of the input side and the output side of the power filter with the power supply and the load side is, the more effective the attenuation of electromagnetic interference is, and the filter can effectively filter the frequency point of specific frequency in the power line or frequencies except the frequency point to obtain a power signal of specific frequency or eliminate the power signal of specific frequency.
General power filter, radiating performance is not good, and the heat is easy at the inside accumulation of power filter, makes power filter damage easily, and power filter's leakproofness is not good, and inside steam and the water easily got into power filter, arouse the short circuit easily, can not be fine satisfies people's user demand, to above-mentioned condition, carries out technical innovation on current power filter basis.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power filter convenient to heat dissipation has waterproof construction to propose general power filter in solving above-mentioned background art, radiating performance is not good, and the heat is easy in the inside accumulation of power filter, makes power filter damage easily, and power filter's leakproofness is not good, inside steam and water easily enter power filter, arouse the short circuit easily, can not be fine satisfies people's user demand problem.
In order to achieve the above object, the utility model provides a following technical scheme: a power filter with a waterproof structure and convenient heat dissipation comprises a base and a fan, wherein a power filter shell and a protective cover are sequentially arranged above the base from inside to outside, feet are fixed on the left side and the right side of the protective cover, the fan is positioned at the rear end of the protective cover, the left side and the right side of the power filter shell are sequentially fixed with a connector and a heat dissipation strip from the middle to the two sides, and a positioning rod is fixed in the power filter shell, the lower end of the positioning rod is provided with a circuit board, and the upper end of the middle part of the circuit board is fixed with a filter coil, a sealing ring is arranged above the shell of the power filter, a top cover is arranged above the sealing ring, a clamping block is fixed at the lower end of the middle part of the top cover, a drying block is arranged at the inner side of the clamping block, the top of the top cover is sequentially provided with a damping rod and bolts from the middle to two sides, and springs are arranged on the outer sides of the damping rods.
Preferably, an integrated structure is formed between the feet and the protective cover, and the feet are symmetrically distributed around the central line of the protective cover.
Preferably, be fixed connection between connector and the power filter casing, and distribute along the equidistance of horizontal direction between the connector.
Preferably, be welding integral structure between heat dissipation strip and the power filter casing, and distribute along vertical direction equidistance between the heat dissipation strip.
Preferably, the top cover forms a connecting structure with the power filter shell through a bolt, and the lower surface of the top cover is attached to the upper surface of the sealing ring.
Preferably, the drying blocks are movably connected through the clamping blocks, and the clamping blocks are symmetrically distributed around the central line of the drying blocks.
Preferably, the fans are connected with the protective cover through bolts, and the fans are symmetrically distributed around the central line of the protective cover.
Preferably, the damping rod is fixedly connected with the top cover, and the center line of the damping rod is coincided with the center line of the spring.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a setting of base, footing, safety cover, power filter casing, spring and damping rod has strengthened the anti-seismic performance of this power filter, protects this power filter casing, and the central line of damping rod coincides with the central line of spring, cushions the shock attenuation through the spring, turns into the elastic potential energy with the impact and stores, and the damping rod consumes the elastic potential energy that the spring produced simultaneously, protects this power filter casing not receive the impact, the damage of falling;
2. the utility model discloses a setting of power filter casing, heat dissipation strip and fan, conveniently dispel the heat to this power filter, be welding integrated structure between heat dissipation strip and the power filter casing, increased the area of contact of power filter casing and air through the heat dissipation strip, through the fan, accelerated the air velocity of heat dissipation strip and power filter casing surface, make the heat dissipation of power filter casing rapid;
3. the utility model discloses a power filter casing, the sealing washer, the bolt, the top cap, fixture block and dry piece's setting, prevent that water from getting into in the power filter casing, influence this power filter's normal work, the top cap passes through to constitute connection structure between bolt and the power filter casing, seal up the gap between power filter casing and the top cap through the sealing washer, prevent that water from entering into in the power filter casing from the gap between power filter casing and the top cap, absorb the steam in the power filter casing through dry piece simultaneously, avoid influencing this power filter's normal work.
Drawings
FIG. 1 is a schematic view of a front view half-section structure of the present invention;
FIG. 2 is a schematic view of the top half-section structure of the present invention;
fig. 3 is a schematic view of the damping rod structure of the present invention.
In the figure: 1. a base; 2. footing; 3. a protective cover; 4. a power filter housing; 5. a connector; 6. a heat dissipating strip; 7. a seal ring; 8. a bolt; 9. a top cover; 10. a clamping block; 11. drying the blocks; 12. a filter coil; 13. a circuit board; 14. positioning a rod; 15. a spring; 16. a fan; 17. a dampening bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a power filter with a waterproof structure convenient for heat dissipation comprises a base 1 and a fan 16, a power filter shell 4 and a protective cover 3 are sequentially arranged above the base 1 from inside to outside, feet 2 are fixed on the left side and the right side of the protective cover 3, the feet 2 and the protective cover 3 are of an integrated structure, the feet 2 are symmetrically distributed about the central line of the protective cover 3, the fan 16 is positioned at the rear end of the protective cover 3, the fan 16 forms a connecting structure with the protective cover 3 through bolts 8, the fans 16 are symmetrically distributed about the central line of the protective cover 3, a connector 5 and a heat dissipation strip 6 are sequentially fixed on the left side and the right side of the power filter shell 4 from the middle to the two sides, a positioning rod 14 is fixed inside the power filter shell 4, the connector 5 is fixedly connected with the power filter shell 4, and the connectors 5 are equidistantly distributed along the horizontal direction, the welding integrated structure is arranged between the heat dissipation strips 6 and the power filter shell 4, the heat dissipation strips 6 are distributed at equal intervals along the vertical direction, the power filter shell 4, the heat dissipation strips 6 and the fan 16 are arranged, heat dissipation of the power filter is facilitated, the welding integrated structure is arranged between the heat dissipation strips 6 and the power filter shell 4, the contact area of the power filter shell 4 and air is increased through the heat dissipation strips 6, the air flow rate of the surfaces of the heat dissipation strips 6 and the power filter shell 4 is increased through the fan 16, and the heat dissipation of the power filter shell 4 is rapid;
a circuit board 13 is arranged at the lower end of a positioning rod 14, a filter coil 12 is fixed at the upper end of the middle part of the circuit board 13, a sealing ring 7 is arranged above a power filter shell 4, a top cover 9 is arranged above the sealing ring 7, the top cover 9 forms a connecting structure with the power filter shell 4 through a bolt 8, the lower surface of the top cover 9 is attached to the upper surface of the sealing ring 7, a fixture block 10 is fixed at the lower end of the middle part of the top cover 9, a drying block 11 is arranged on the inner side of the fixture block 10, the drying block 11 forms a movable connection through the fixture block 10, the fixture blocks 10 are symmetrically distributed around the central line of the drying block 11, water is prevented from entering the power filter shell 4 through the arrangement of the power filter shell 4, the normal work of the power filter is influenced, and the top cover 9 forms a connecting structure with the power filter shell 4 through the bolt 8, the sealing ring 7 is used for sealing a gap between the power filter shell 4 and the top cover 9, so that water is prevented from entering the power filter shell 4 from the gap between the power filter shell 4 and the top cover 9, and meanwhile, water vapor in the power filter shell 4 is absorbed through the drying block 11, and the normal work of the power filter is prevented from being influenced;
The working principle is as follows: when the power filter with the waterproof structure is used, the power filter shell 4 is firstly installed on the base 1, the protective cover 3 is sleeved outside the power filter shell 4, the protective cover 3 and the base 1 are fixed through the bottom feet 2 and the bolts 8, the connectors 5 at two ends of the power filter shell 4 are respectively connected with a power supply and a load, filtering is carried out through the filter coil 12 on the circuit board 13, when the power filter is impacted or dropped, buffering and shock absorption are carried out through the spring 15, the power filter shell 4 is protected from impact and damage caused by dropping, the air flow rate on the surfaces of the radiating strips 6 and the power filter shell 4 is accelerated through the fan 16, so that the power filter shell 4 can radiate heat rapidly, sealing is carried out through the sealing ring 7, and water is prevented from entering the power filter shell 4 from a gap between the power filter shell 4 and the top cover 9, and the drying block 11 absorbs the water vapor in the power filter shell 4, so as to prevent the water vapor and water from influencing the normal operation of the power filter and even causing the short circuit damage of the power filter, which is the working principle of the power filter with the waterproof structure and convenient for heat dissipation.
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 (8)
1. The utility model provides a power filter convenient to heat dissipation has waterproof construction, includes base (1) and fan (16), its characterized in that: the power filter is characterized in that a power filter shell (4) and a protective cover (3) are sequentially arranged above the base (1) from inside to outside, footings (2) are fixed on the left side and the right side of the protective cover (3), a fan (16) is located at the rear end of the protective cover (3), connectors (5) and heat dissipation strips (6) are sequentially fixed on the left side and the right side of the power filter shell (4) from the middle to the two sides, a positioning rod (14) is fixed inside the power filter shell (4), a circuit board (13) is installed at the lower end of the positioning rod (14), a filtering coil (12) is fixed at the upper end of the middle of the circuit board (13), a sealing ring (7) is arranged above the power filter shell (4), a top cover (9) is arranged above the sealing ring (7), a clamping block (10) is fixed at the lower end of the middle of the top cover (9), and a drying, the damping device is characterized in that a damping rod (17) and a bolt (8) are sequentially arranged from the middle to two sides above the top cover (9), and a spring (15) is arranged on the outer side of the damping rod (17).
2. The power filter with waterproof structure for facilitating heat dissipation according to claim 1, wherein: the safety protection cover is characterized in that the bottom feet (2) and the protection cover (3) are of an integrated structure, and the bottom feet (2) are symmetrically distributed about the center line of the protection cover (3).
3. The power filter with waterproof structure for facilitating heat dissipation according to claim 1, wherein: be fixed connection between connector (5) and power filter casing (4), and distribute along the horizontal direction equidistance between connector (5).
4. The power filter with waterproof structure for facilitating heat dissipation according to claim 1, wherein: the heat dissipation strip (6) and the power filter shell (4) are of a welding integrated structure, and the heat dissipation strips (6) are distributed along the vertical direction at equal intervals.
5. The power filter with waterproof structure for facilitating heat dissipation according to claim 1, wherein: and the top cover (9) forms a connecting structure with the power filter shell (4) through a bolt (8), and the lower surface of the top cover (9) is attached to the upper surface of the sealing ring (7).
6. The power filter with waterproof structure for facilitating heat dissipation according to claim 1, wherein: the drying blocks (11) are movably connected through the fixture blocks (10), and the fixture blocks (10) are symmetrically distributed around the central line of the drying blocks (11).
7. The power filter with waterproof structure for facilitating heat dissipation according to claim 1, wherein: the fan (16) forms a connecting structure with the protective cover (3) through the bolt (8), and the fan (16) is symmetrically distributed around the central line of the protective cover (3).
8. The power filter with waterproof structure for facilitating heat dissipation according to claim 1, wherein: the damping rod (17) is fixedly connected with the top cover (9), and the center line of the damping rod (17) is overlapped with the center line of the spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022097781.4U CN213027814U (en) | 2020-09-22 | 2020-09-22 | Power filter convenient to heat dissipation has waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022097781.4U CN213027814U (en) | 2020-09-22 | 2020-09-22 | Power filter convenient to heat dissipation has waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213027814U true CN213027814U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022097781.4U Active CN213027814U (en) | 2020-09-22 | 2020-09-22 | Power filter convenient to heat dissipation has waterproof construction |
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|---|---|
| CN (1) | CN213027814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114826181A (en) * | 2022-06-27 | 2022-07-29 | 如皋志乐电子科技有限公司 | Power filter for outdoor equipment |
-
2020
- 2020-09-22 CN CN202022097781.4U patent/CN213027814U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114826181A (en) * | 2022-06-27 | 2022-07-29 | 如皋志乐电子科技有限公司 | Power filter for outdoor equipment |
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