CN212649425U - Filter shell - Google Patents

Abstract

The application relates to the field of filters, in particular to a filter shell, which adopts the technical scheme that a first radiating fin is arranged at the bottom end of a lower shell, and a radiating hole is arranged in the bottom wall of the lower shell in a penetrating manner; the top of going up the casing is provided with the second fin, goes up the casing and all sets up the air vent of symmetric distribution on being two relative lateral walls that set up. When the heat dissipation structure is used, heat generated by elements in the shell is transferred to the first heat dissipation sheet and the second heat dissipation sheet, so that the heat can be better dissipated to the outside, and a heat dissipation effect can be achieved; simultaneously, the setting of air vent can realize the heat exchange with the external world in the casing to can further accelerate the radiating effect, reach the effect to the inside components and parts cooling of wave filter with this, thereby can further guarantee the normal work of component.

Description

Filter shell

Technical Field

The present application relates to the field of filters, and more particularly, to a filter housing.

Background

The filter is a filter circuit consisting of a capacitor, an inductor and a resistor. The filter can effectively filter the frequency point of the specific frequency in the power line or the frequencies except the frequency point to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency.

The filter can produce a large amount of heats in the in-process of operation, if not timely cooling, heat dissipation, easily cause the sensitivity of filter and disturb and shorten the life of filter shell and inside components and parts.

The shell structure of the existing filter has poor heat dissipation performance, so that heat generated during the operation of the filter is difficult to discharge, and the normal operation of elements is influenced when the filter is used for a long time.

SUMMERY OF THE UTILITY MODEL

In order to improve the radiating effect of the filter shell, the application provides a filter shell.

The application provides a filter housing adopts following technical scheme:

a filter shell comprises an upper shell and a lower shell, wherein a first radiating fin is arranged at the bottom end of the lower shell, and radiating holes are formed in the bottom wall of the lower shell in a penetrating mode;

the top of going up the casing is provided with the second fin, go up the casing and all seted up the air vent on being two relative lateral walls that set up.

By adopting the technical scheme, when the heat dissipation structure is used, heat generated by the elements in the shell is transferred to the first heat dissipation sheet and the second heat dissipation sheet, so that the heat can be better dissipated to the outside, and a heat dissipation effect can be further achieved; simultaneously, the setting of air vent can realize the heat exchange with the external world in the casing to can further accelerate the radiating effect, reach the effect to the inside components and parts cooling of wave filter with this, thereby can further guarantee the normal work of component.

Preferably, the top of going up the casing is provided with the ventilating board, be formed with the ventilation cavity between the roof of ventilating board and last casing, second fin and air vent all set up in the ventilation cavity.

Through adopting above-mentioned technical scheme, the setting of ventilating board is convenient for get into the wind in the ventilation cavity through the air vent and get into the casing and dispel the heat.

Preferably, the second heat sink includes an upper heat sink and a lower heat sink, and the upper heat sink is connected to the top wall of the upper housing and has a gap with the top surface of the ventilation board; the lower radiating fins are connected with the top surface of the ventilating plate and have gaps with the top wall of the upper shell;

the upper radiating fins and the lower radiating fins are arranged in a plurality, the lower radiating fins are arranged between two adjacent upper radiating fins, the upper radiating fins and the lower radiating fins are arranged at intervals, and a plurality of upper radiating fins and lower radiating fins form a ventilation channel in the ventilation cavity.

By adopting the technical scheme, external wind can enter the ventilation cavity through the ventilation holes and enter the shell through the ventilation channel to dissipate heat of the filter, and the upper cooling fin and the lower cooling fin can further dissipate heat of the filter;

on the other hand, because last fin is the interval with lower fin and sets up, can reach dirt-proof effect, effectively reduce dust impurity and get into in the shell and influence the normal operating of wave filter.

Preferably, a fan is arranged at a position of the upper housing corresponding to the vent hole.

By adopting the technical scheme, the fan can accelerate the heat dissipation effect of the upper heat dissipation sheet and the lower heat dissipation sheet, so that the effect of cooling the components inside the filter is achieved, and the normal work of the components can be further ensured.

Preferably, the two opposite side walls of the upper shell are provided with ventilation holes in a penetrating manner, an inner plate is arranged in the upper shell and at a position corresponding to the ventilation holes, an installation cavity is formed between the inner plate and the upper shell, and a heat dissipation mechanism is arranged in the installation cavity.

Through adopting above-mentioned technical scheme, the heat that can further produce the casing inside plays radiating effect in the setting in ventilation hole, and is provided with heat dissipation mechanism in the installation cavity, can further radiate the heat that casing internal element produced.

Preferably, the heat dissipation mechanism comprises a semiconductor refrigeration piece.

Through adopting above-mentioned technical scheme, the semiconductor refrigeration piece does not need any refrigerant, but continuous operation, there is not the pollution source and does not select the dress part, can not produce the gyration effect, it is a fixed piece spare to not have the sliding part, the during operation does not have vibrations, the noise, long-life, the installation is easy, it is the paster of dividing into two sides, the one side heat absorption, the one side heat dissipation, the endothermic one side of its semiconductor refrigeration piece is laminated with the inner panel mutually, the radiating one side of semiconductor refrigeration piece is laminated with last casing mutually, can realize casing and external heat exchange, thereby can further play radiating effect.

Preferably, a plurality of connection holes are formed in the inner plate in a penetrating manner.

Through adopting above-mentioned technical scheme, the setting of connecting hole can be convenient for semiconductor refrigeration piece and the inside heat transfer of casing to can further improve the radiating effect of semiconductor refrigeration piece.

Preferably, the lower case is made of an aluminum plate or a copper plate.

By adopting the technical scheme, the lower shell is arranged to be the aluminum plate or the copper plate, the lower shell has good heat conductivity, heat generated by elements in the shell can be quickly absorbed, and heat exchange between the lower shell and the outside is further realized, so that the heat dissipation effect can be further achieved;

on the other hand, the aluminum plate or the copper plate has high strength, so that the support and fixation of the housing can be facilitated.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the first radiating fin, the radiating holes, the second radiating fin and the vent holes, heat generated by the elements in the shell is transferred to the first radiating fin and the second radiating fin, heat exchange between the shell and the outside can be further realized under the action of the vent holes, and the heat can be better radiated to the outside, so that the effect of cooling components in the filter is achieved, and the normal work of the elements can be further ensured;

2. through the arrangement of the inner plate and the semiconductor refrigerating sheet, the heat exchange between the upper shell and the outside can be further realized, so that the heat dissipation effect can be further achieved;

3. the casing sets up to aluminum plate or copper down, has good heat conductivity, can absorb the heat that shell internal component produced fast, and then realizes casing and external heat exchange down to can further reach radiating effect.

Drawings

Fig. 1 is a schematic diagram illustrating an overall structure of a filter housing according to an embodiment of the present application;

FIG. 2 is a front view of a filter housing according to an embodiment of the present application;

fig. 3 is a side view of a filter housing according to an embodiment of the present application.

Description of reference numerals: 1. an upper housing; 2. a lower housing; 3. a wire outlet hole; 4. a first heat sink; 5. a second heat sink; 6. an upper heat sink; 7. a lower heat sink; 8. a ventilation board; 9. a ventilation cavity; 10. a vent hole; 11. a fan; 12. a vent hole; 13. an inner plate; 14. a mounting cavity; 15. a heat dissipation mechanism; 16. connecting holes; 17. and (4) heat dissipation holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a filter shell. Referring to fig. 1, the filter comprises an upper shell 1 and a lower shell 2, wherein wire outlets 3 are respectively arranged on the side walls of two ends of the upper shell 1 along the length direction, and the wire outlets 3 are convenient for leading out the wiring ports on the filter from the upper shell 1.

Referring to fig. 2 and 3, lower casing 2 sets up to aluminum plate or copper, and it has good heat conductivity, is convenient for with heat transfer in the shell to lower casing 2 on, because lower casing 2's bottom is provided with first fin 4, and lower casing 2's diapire runs through and is provided with louvre 17, can be better give off the heat to the external world to can reach radiating effect.

Referring to fig. 2 and 3, a ventilation plate 8 is arranged at the top of the upper casing 1, a plurality of through holes are formed in the ventilation plate 8, a ventilation cavity 9 is formed between the ventilation plate 8 and the top wall of the upper casing 1, ventilation holes 10 are formed in the side walls of the upper casing 1 along the two ends of the upper casing in the length direction and located in the ventilation cavity 9, and a fan 11 is arranged in the ventilation holes 10.

Referring to fig. 2, a second heat sink 5 is disposed at the top of the upper housing 1 and in the ventilation cavity 9, specifically, the second heat sink 5 includes an upper heat sink 6 and a lower heat sink 7, the upper heat sink 6 is connected to the top wall of the upper housing 1 and has a gap with the top wall of the ventilation plate 8, and the lower heat sink 7 is connected to the top wall of the ventilation plate 8 and has a gap with the top wall of the upper housing 1. The upper radiating fins 6 and the lower radiating fins 7 are provided in plurality and are uniformly distributed along the length direction of the upper shell 1. The lower radiating fins 7 are arranged between two adjacent upper radiating fins 6, the upper radiating fins 6 and the lower radiating fins 7 are arranged at intervals, and a plurality of upper radiating fins 6 and the lower radiating fins 7 form a wavy ventilation channel in the ventilation cavity 9.

Referring to fig. 2 and 3, the fan 11 is started, the fans 11 in the two air vents 10 convect, the filter in the housing is cooled through the air vent channel, the upper cooling fin 6 and the lower cooling fin 7 can further cool the filter, and the upper cooling fin 6 and the lower cooling fin 7 are arranged in a staggered manner, so that the dustproof effect is achieved while the heat dissipation effect is ensured, and the influence on the normal operation of the filter caused by the dust impurities entering the housing is effectively reduced.

Referring to fig. 2 and 3, two side walls of the upper housing 1 along the width direction thereof are provided with vent holes 12, the vent holes 12 are disposed in a waist circle shape, an inner plate 13 is disposed in the upper housing 1 and at a position corresponding to the vent holes 12, the inner plate 13 is provided with a plurality of connecting holes 16, and an installation cavity 14 is formed between the inner plate 13 and the side wall of the upper housing 1 where the vent holes 12 are disposed.

Referring to fig. 3, be provided with heat dissipation mechanism 15 in the installation cavity 14, specifically, heat dissipation mechanism 15 includes the semiconductor refrigeration piece, the semiconductor refrigeration piece does not need any refrigerant, but continuous operation, there is not the pollution source and does not select the dress part, can not produce gyration effect, it is a fixed piece spare to not have a sliding part, the during operation does not have vibrations, the noise, long-life, the installation is easy, it is the paster of dividing into two sides, the one side heat absorption, the one side heat dissipation, the heat absorption one side of its semiconductor refrigeration piece is laminated with inner panel 13 mutually, the heat dissipation one side of semiconductor refrigeration piece is laminated with last casing 1 mutually, can realize interior casing and external heat exchange. In the use process, the heat generated by the internal elements of the shell is dissipated through the semiconductor refrigerating sheet, and the air vent 12 can accelerate the heat dissipation effect of the semiconductor refrigerating sheet, so that the effect of cooling the internal elements of the filter is achieved.

The implementation principle of the filter shell in the embodiment of the application is as follows:

during the use, place the wave filter in last casing 1 and lower casing 2, ventilate cavity 9 and can play ventilative, dustproof, radiating effect, and first fin 4 and semiconductor refrigeration piece can further play radiating effect to can reach the effect to the cooling of wave filter inner member, and then guarantee the normal work of component.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a filter housing, includes casing (1) and casing (2) down, its characterized in that: the bottom end of the lower shell (2) is provided with a first radiating fin (4), and the bottom wall of the lower shell (2) is provided with a radiating hole (17) in a penetrating manner;

the top of going up casing (1) is provided with second fin (5), all seted up on going up casing (1) being two relative lateral walls that set up air vent (10).

2. A filter housing according to claim 1, wherein: go up the top of casing (1) and be provided with ventilating board (8), be formed with ventilation cavity (9) between ventilating board (8) and the roof of last casing (1), second fin (5) and air vent (10) all set up in ventilation cavity (9).

3. A filter housing according to claim 2, wherein: the second radiating fins (5) comprise upper radiating fins (6) and lower radiating fins (7), and gaps are formed between the upper radiating fins (6) and the top wall of the upper shell (1) and the top surface of the ventilating plate (8); the lower radiating fins (7) are connected with the top surface of the ventilating plate (8) and have gaps with the top wall of the upper shell (1);

the upper radiating fins (6) and the lower radiating fins (7) are arranged in a plurality, the lower radiating fins (7) are arranged between two adjacent upper radiating fins (6), the upper radiating fins (6) and the lower radiating fins (7) are arranged at intervals, and a plurality of upper radiating fins (6) and lower radiating fins (7) form a ventilation channel in the ventilation cavity (9).

4. A filter housing according to claim 1, wherein: and a fan (11) is arranged at the position of the upper shell (1) corresponding to the vent hole (12).

5. A filter housing according to claim 1, wherein: go up casing (1) and be through being provided with ventilation hole (12) on two lateral walls that relative set up, go up in casing (1) and be provided with inner panel (13) with the position that ventilation hole (12) correspond, be formed with installation cavity (14) between inner panel (13) and last casing (1), be provided with heat dissipation mechanism (15) in installation cavity (14).

6. A filter housing according to claim 5, wherein: the heat dissipation mechanism (15) comprises a semiconductor refrigeration piece.

7. A filter housing according to claim 5, wherein: a plurality of connecting holes (16) are arranged on the inner plate (13) in a penetrating manner.

8. A filter housing according to claim 1, wherein: the lower shell (2) is made of aluminum plates or copper plates.

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