CN212648766U

CN212648766U - Electrical equipment protection device

Info

Publication number: CN212648766U
Application number: CN202021590136.XU
Authority: CN
Inventors: 张德波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-02
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses an electrical equipment protection device, casing inner chamber upside are equipped with exhaust apparatus, and casing inner chamber bottom is equipped with strutting arrangement, and the strutting arrangement below is equipped with down air inlet unit, and the inlet wire groove has been seted up to the casing bottom, the inside fixedly connected with inlet wire sealing device of inlet wire groove. Drainage tank one side and water conservancy diversion lid integrated into one piece or fixed connection of exhaust duct leave between a tip of keeping away from the water conservancy diversion lid in drainage tank and adjacent water conservancy diversion lid establish the exhaust notch, the water conservancy diversion lid is transversal personally submits circular-arcly, and the water conservancy diversion lid is established at water conservancy diversion lid circular arc inner chamber top position with adjacent drainage tank's clearance. The electrical equipment protection device can ensure that external sundries and water vapor enter the shell and ensure that the internal environment of the shell adapts to the work of electrical equipment; the sealing of the inner space of the shell is ensured; the transmission line of the electrical equipment is ensured to enter the shell, and the transmission line is ensured to be sealed.

Description

Electrical equipment protection device

Technical Field

The utility model relates to an electrical equipment uses auxiliary device structural design technical field, especially relates to an electrical equipment protection device.

Background

Electrical Equipment (Electrical Equipment) is a general term for Equipment such as generators, transformers, power lines, and circuit breakers in an Electrical power system.

The important role played by electric power in our life and production is not ignored, brings great convenience to our life, and becomes an important energy source in our production and life.

For the prior art electrical equipment, which is exposed to the environment, no reasonable protection space exists. Further, with the advancement of science and technology, various electrical equipment supplies are being provided for use in scientific research institutions, universities, enterprises, and factories. The novel electric equipment and the original electric equipment provide a space with less drying and impurities in the using process, so that the service life of the electric equipment can be prolonged, and the normal operation of the electric equipment is ensured.

Therefore, in the prior art, the electrical equipment can only be exposed in the external environment and is easily influenced by the external environment, particularly the service life of the electrical equipment is influenced; the protection is particularly needed for high-precision electrical equipment with higher price and harsh working environment, but the prior art cannot reasonably protect the electrical equipment.

SUMMERY OF THE UTILITY MODEL

In view of the above, the main object of the present invention is to provide a device that can ensure the foreign materials and water vapor to enter the housing, and ensure the internal environment of the housing to adapt to the operation of the electrical equipment; the sealing of the inner space of the shell is ensured; the electric transmission line of the electric equipment is ensured to enter the shell, and the electric equipment protection device for sealing the electric transmission line is ensured.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an electrical equipment protection device comprising: the device comprises a shell, an upper exhaust device, a lower air inlet device, a supporting device and an inlet wire sealing device; the improved air inlet structure is characterized in that an upper exhaust device is arranged on the upper side of the inner cavity of the shell, a supporting device is arranged at the bottom of the inner cavity of the shell, a lower air inlet device is arranged below the supporting device, a wire inlet groove is formed in the bottom of the shell, and a wire inlet sealing device is fixedly connected inside the wire inlet groove.

In a preferred embodiment, the upper exhaust apparatus comprises: an exhaust duct and a blower; the exhaust groove is formed in the upper wall of the shell in a penetrating mode, and the air blowing device is fixedly connected to the lower portion of the exhaust groove.

In a preferred embodiment, the exhaust groove includes: the air exhaust groove opening, the drainage groove and the flow guide cover; one side of the drainage channel is integrally formed or fixedly connected with the flow guide cover, the exhaust notch is reserved between one end part of the drainage channel far away from the flow guide cover and the adjacent flow guide cover, the cross section of the flow guide cover is arc-shaped, and a gap between the flow guide cover and the adjacent drainage channel is arranged at the top end of the arc-shaped inner cavity of the flow guide cover; the exhaust groove is covered in the inner cavity of the diversion cover, and the exhaust groove opening faces the bottom of the drainage groove.

In a preferred embodiment, the support device comprises: the structure size of the supporting plate is matched with that of an inner cavity of the shell, and the bottom of the supporting plate is fixedly connected with the buffer piece; the buffer piece is supported between the supporting plate and the bottom of the inner cavity of the shell.

In a preferred embodiment, an air inlet cavity is reserved between the supporting device and the bottom of the inner cavity of the shell, an air inlet hole is formed in the shell penetrating through the air inlet cavity, and the lower air inlet device is arranged at the air inlet hole.

In a preferred embodiment, the lower air intake device includes: the exhaust shell, the filter shell and the connector; the outside and the inlet port adaptation of connector are connected, the connector with filter shell integrated into one piece or fixed connection, filter shell other end fixed connection exhaust shell, run through a plurality of exhaust holes have been seted up to the exhaust shell.

In a preferred embodiment, an air filter and/or a desiccant is provided inside the exhaust housing.

In a preferred embodiment, the incoming line sealing device comprises: upper junction plate and lower connecting plate, connect through the connecting piece between upper junction plate and the lower connecting plate the one end open-ended seal groove has been seted up at upper junction plate and lower connecting plate middle part on a parallel with inlet wire groove length direction be connected with sealed piece between upper junction plate and the lower connecting plate, sealed piece includes: the left sealing block and the right sealing block are compressed and sealed; the connecting piece is arranged inside the left sealing block and/or the right sealing block.

In a preferred embodiment, the drainage channel and the diversion cover are integrally formed into an "S" shaped structure in cross section, and two ends of the "S" shaped structure are fixedly connected with the shell or integrally formed; the drainage groove between the adjacent S-shaped structures is inserted into the inner cavity of the adjacent flow guide cover; the exhaust notch is directed downward.

In a preferred embodiment, the filter shell is connected with the exhaust shell through threads; the connector is in threaded connection with the air inlet.

In a preferred embodiment, the connecting element is a rod-like structure or a wire rope structure.

In a preferred embodiment, the housing comprises: go up casing and lower casing, go up casing lower extreme fixedly connected with snap ring, the side cover is established under the snap ring the casing upper end outer wall down makes and goes up casing and casing detachable down and link together.

In a preferred embodiment, the blower device is fixedly connected inside the interior of the upper housing.

In a preferred embodiment, the air blowing device includes: the fan blade support device comprises fan blades, a rotating shaft, a driving motor and a support frame, wherein the support frame is fixedly connected to the lower end of an inner cavity of the upper shell, the center of the support frame is fixedly connected with the driving motor in a supporting mode, the output end of the driving motor is connected with the rotating shaft, and the upper end of the rotating shaft is connected with the fan blades; so that the driving motor drives the fan blades to rotate.

In a preferred embodiment, an air blast diversion shell is arranged inside the upper shell, the air blast diversion shell is of an arc trumpet-shaped structure, the cross section of the air blast diversion shell is of a downward open structure, and the air blast device is arranged inside the air blast diversion shell.

In a preferred embodiment, a shell door is hermetically connected to one side of the lower shell; the outer wall of the shell door is fixedly connected with a handle; the upper end of the shell door is buckled inside the snap ring of the upper shell.

In a preferred embodiment, a plurality of cooling vents are provided through the support plate; the upper side of the position of the supporting plate, which is suitable for the sealing groove, is provided with a wire guide groove.

In a preferred embodiment, the housing is provided with mounting support means on the underside.

The utility model discloses an electrical equipment protection device has following beneficial effect:

this electrical equipment protection device, casing inner chamber upside are equipped with exhaust apparatus, and casing inner chamber bottom is equipped with strutting arrangement, and the strutting arrangement below is equipped with down air inlet unit, and the inlet wire groove has been seted up to the casing bottom, the inside fixedly connected with inlet wire sealing device of inlet wire groove. One side of a drainage channel of the exhaust channel is integrally formed or fixedly connected with the flow guide cover, the exhaust notch is reserved between one end part of the drainage channel far away from the flow guide cover and the adjacent flow guide cover, the cross section of the flow guide cover is arc-shaped, and a gap between the flow guide cover and the adjacent drainage channel is arranged at the top end of the arc-shaped inner cavity of the flow guide cover; the exhaust groove is covered in the inner cavity of the diversion cover, and the opening of the exhaust groove faces the bottom of the drainage groove; the outer part of a connector of the lower air inlet device is adaptively connected with an air inlet, the connector is integrally formed or fixedly connected with a filter shell, the other end of the filter shell is fixedly connected with an exhaust shell, and a plurality of exhaust holes are formed in the filter shell in a penetrating mode; an air filtering agent and/or a drying agent are/is arranged in the exhaust shell; an upper connecting plate and a lower connecting plate of the incoming line sealing device are connected through a connecting piece, a sealing groove with one open end is formed in the middle of the upper connecting plate and the lower connecting plate in a direction parallel to the length direction of the incoming line groove, a sealing block is connected between the upper connecting plate and the lower connecting plate, and a left sealing block and a right sealing block are compressed and sealed; and a connecting piece is arranged inside the left sealing block and/or the right sealing block. The problem that in the prior art, the electrical equipment can only be exposed in the external environment and is easily influenced by the external environment, particularly the service life of the electrical equipment is influenced is solved; the protection device is particularly required to protect electrical equipment with high precision, high price and harsh working environment, and the service life of the electrical equipment is ensured. The electrical equipment protection device provides a protection space for electrical equipment, and can ensure that external sundries and water vapor enter the shell and ensure that the internal environment of the shell adapts to the work of the electrical equipment; a reasonable sealing structure is further arranged at the bottom of the electrical equipment to ensure the sealing of the inner space of the shell; and through the combination of setting up seal structure and inlet wire structure, guarantee that the transmission line of electrical equipment gets into inside the casing, guarantee the sealed of transmission line department.

Drawings

Fig. 1 is a schematic structural view of an electrical equipment protection device according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of the electrical equipment protection device of FIG. 1 according to one embodiment of the present disclosure;

FIG. 3 is a top view of the electrical equipment protection device of FIG. 1 according to one embodiment of the present disclosure;

fig. 4 is a partial enlarged view of the electrical equipment protection device shown in fig. 2 at a according to an embodiment of the present disclosure;

fig. 5 is a schematic structural view of a lower air intake device of an electrical equipment protection device according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of an incoming line sealing device of an electrical equipment protection device according to an embodiment of the present disclosure.

[ description of main reference symbols ]

1. A shell, 101, an upper shell, 102, a lower shell, 103, a shell door, 104 and a handle;

11. a snap ring;

2. an upper exhaust device;

21. an exhaust groove 211, an exhaust notch 212, a drainage groove 213 and a diversion cover;

22. the device comprises a blower device 221, fan blades 222, a rotating shaft 223, a driving motor 224 and a support frame;

23. a blast diversion shell;

3. the lower air inlet device 31, the exhaust shell 32, the filter shell 33, the connector 34 and the exhaust hole;

4. the device comprises a supporting device 41, a supporting plate 42, a buffer piece 43, an air inlet cavity 44, a cooling vent hole 45 and a wire guide groove;

5. the incoming line sealing device 51, the upper connecting plate 52, the lower connecting plate 53 and the connecting piece;

54. sealing blocks, 541, left sealing block, 542 and right sealing block;

55. sealing the groove.

Detailed Description

The following describes an electrical equipment protection device according to the present invention in further detail with reference to the accompanying drawings and embodiments of the present invention.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1, 2, 3, 4, 5, and 6, the electrical equipment protection device includes: the air conditioner comprises a shell 1 for placing electrical equipment, an upper exhaust device 2 capable of exhausting air in the shell, a lower air inlet device 3 for supplying filtered clean and dry air to the interior of the shell 1, a supporting device 4 for bearing the electrical equipment and an inlet wire sealing device 5 for enabling a power transmission line for supplying the electrical equipment to penetrate through. An upper exhaust device 2 is arranged on the upper side of an inner cavity of the shell 1, a supporting device 4 is arranged at the bottom of the inner cavity of the shell 1, a lower air inlet device 3 is arranged below the supporting device 4, air flowing through the periphery of the electrical equipment can be guaranteed through the diversion of the supporting device 4, and the cooling protection effect on the electrical equipment is guaranteed. In order to facilitate the entering of a power supply line of electrical equipment, a line inlet groove is formed in the bottom of the shell 1, and in order to prevent air from entering the shell 1 through the line inlet groove, a line inlet sealing device 5 is fixedly connected inside the line inlet groove.

In order to realize the exhaust function of the upper exhaust apparatus 2, the upper exhaust apparatus 2 includes: an air discharge duct 21 through which air flows and an air blowing device 22 for pushing air to flow; an exhaust groove 21 is arranged through the upper wall of the shell 1), and an air blowing device 22 is fixedly connected below the exhaust groove 21.

In order to ensure that the exhaust groove 2 the exhaust groove 21 comprises: the air guide cover comprises an exhaust notch 211 for ensuring the circulation of exhaust air, a drainage groove 212 for timely discharging accumulated water on the upper side of the exhaust groove 21, and a guide cover 213 for guiding the air discharged from the exhaust notch 211 and shielding the exhaust notch 211. One side of the drainage channel 212 is integrally formed or fixedly connected with the flow guide cover 213, and an exhaust notch 211 is reserved between one end part of the drainage channel 212 far away from the flow guide cover 213 and the adjacent flow guide cover 213. In order to better guide the exhaust notch 211 and ensure that external impurities enter the exhaust notch 211, the cross section of the diversion cover 213 is arc-shaped, and a gap between the diversion cover 213 and the adjacent drainage groove 212 is arranged at the top end of the arc-shaped inner cavity of the diversion cover 213; the air outlet slot 211 is covered in the inner cavity of the diversion cover 213, and the air outlet slot 211 faces the bottom of the water discharge groove 212. Through the rational in infrastructure design to the air discharge duct, not only can satisfy the exhaust effect of air discharge duct 21, can avoid outside debris to get into inside casing 1 again.

In order to support the electrical equipment, the electrical equipment can be prevented from being directly arranged at the bottom of the shell 1, and the heat dissipation effect is reduced. The support device 4 comprises: a support plate 41 and a buffer member 42 buffering and supporting the support plate. In order to ensure the matching between the support plate 41 and the housing 1, the structural size of the support plate 41 is adapted to the inner cavity structure of the housing 1, and a buffer member 42 is fixedly connected to the bottom of the support plate 41; the buffer member 42 is supported between the supporting plate 41 and the bottom of the inner cavity of the housing 1; leaving an air entry space between the support plate 41 and the bottom of the housing 1.

Namely: an air inlet cavity 43 is reserved between the supporting device 4 and the bottom of the inner cavity of the shell 1. In order to communicate with the outside, an air inlet is formed through the shell 1 at the air inlet cavity 43, and a lower air inlet device 3 is arranged at the air inlet.

In order to ensure that the air entering the interior of the housing is dry and clean, the lower air inlet means 3 comprises: an exhaust shell 31 which is connected with the filter shell 32 and realizes that the air entering the shell 1 uniformly enters the interior of the shell 1; a filter housing 32 for filtering all air entering the interior of the housing 1; and a connector 33 connected with the air inlet hole in a sealing way. The outside and the inlet port adaptation of connector 33 are connected, and connector 33 and filter shell 32 integrated into one piece or fixed connection filter shell 32 other end fixed connection exhaust shell 31, run through exhaust shell 31 and seted up a plurality of exhaust holes 34, guarantee the even bat of air and go out.

Of course, in order to achieve the filtering and drying effects on the air, an air filtering agent and/or a drying agent is provided inside the exhaust casing 31; the exhaust shell 31 can shield the filtering agent and/or the drying agent, so that the defect that the filtering agent and/or the drying agent fall into the shell is avoided, and the action effect of the filtering agent and/or the drying agent is further ensured.

The incoming line sealing device 5 comprises: the upper connecting plate 51 and the lower connecting plate 52 are connected through a connecting piece 53, so that the whole upper connecting plate 51 and the whole lower connecting plate 52 are of an integral structure. In order to facilitate the installation of the transmission line of the electrical equipment, a sealing groove 55 with one open end is formed in the middle of the upper connecting plate 51 and the lower connecting plate 52 in parallel to the length direction of the wire inlet groove and is used for the transmission line to pass through. For the sealing action of the incoming line sealing device 5, a sealing block 54 is connected between the upper connection plate 51 and the lower connection plate 52, the sealing block 54 comprising: the left sealing block 541 and the right sealing block 542, the left sealing block 54) and the right sealing block 542; because the left sealing block 541 and the right sealing block 542 are independent, the transmission line can be conveniently wrapped in the sealing blocks, and the sealing effect is ensured. The left and/or right sealing blocks 541 and 542 have connectors 53 disposed therein. The connecting piece 53 not only can connect the upper connecting plate 51 and the lower connecting plate 52, but also can support the sealing block 54, so that the supporting strength of the sealing block 54 is ensured, and the sealing effect is improved.

In order to realize the air exhaust effect of the drainage channel 21 and prevent the impurities and water vapor outside the drainage channel 21 from entering the housing, the drainage channel 212 and the diversion cover 213 are integrally formed into an "S" shaped structure with a cross section, and two ends of the "S" shaped structure are fixedly connected with the housing 1 or integrally formed; the drainage groove 212 between the adjacent S-shaped structures is inserted into the inner cavity of the adjacent flow guide cover 213; the exhaust notch 211 is directed downward.

In order to facilitate the connection between the filter shell 32 and the exhaust shell 31, the filter shell 32 and the exhaust shell 31 are connected by screw threads. In order to facilitate the connection between the entire lower intake device 3 and the housing 1, the connection head 33 is screwed to the intake port.

Preferably, to ensure the integrity of the sealing block 54 and thereby improve the sealing effect of the sealing block 54. The connecting piece 53 is of a rod-shaped structure or a steel wire rope structure, so that the space occupied by the connecting piece 53 is reduced, and the sealing elastic interval of the sealing block 54 is increased.

In order to facilitate the production of the whole device and the split installation, the electric equipment is further conveniently placed in the shell 1. The housing 1 includes: the lower end of the upper shell 101 is fixedly connected with a snap ring 11, the lower side of the snap ring 11 is sleeved on the outer wall of the upper end of the lower shell 102, and the upper shell 101 and the lower shell 102 are detachably connected together; the snap ring 11 can further achieve the sealing and clamping effects on the lower shell 102, and ensure the connection effect between the upper shell 101 and the upper shell 102.

The air blowing device 22 is fixedly connected in the inner cavity of the upper shell 101, so that the air blowing device 22 is ensured to be separated from the upper shell 101 independently, and the maintenance and replacement of the air blowing device 22 are facilitated.

In order to achieve the air blowing action of the air blowing device 22, the air blowing device 22 includes: the fan blade support comprises fan blades 221, a rotating shaft 222, a driving motor 223 and a support frame 224, wherein the support frame 224 is fixedly connected to the lower end of the inner cavity of the upper shell 101, the center of the support frame 224 is fixedly supported and connected with the driving motor 223, the output end of the driving motor 223 is connected with the rotating shaft 222, and the upper end of the rotating shaft 222 is connected with the fan blades 221; causing the drive motor 223 to rotate the fan blade 221.

In order to better ensure the discharge of air inside the casing, the upper casing 101 is internally provided with the air-blowing diversion shell 23, the air-blowing diversion shell 23 is of an arc horn-shaped structure, the cross section of the air-blowing diversion shell 23 is of a downward open structure, and the air-blowing device 22 is arranged inside the air-blowing diversion shell 23, so that the phenomenon that air flows inside the casing 1 to form a vortex is avoided, and the cooling effect of air on the electrical equipment and the discharge of sundries are reduced.

Preferably, the area of the upper end of the housing 1 provided with the exhaust groove 212 is the same as the area of the upper end of the blower guide shell 23, so that the exhaust groove 212 can be utilized most efficiently; the exhaust grooves 212 are prevented from affecting the strength of the housing.

In order to further facilitate the maintenance of the electrical equipment, a shell door 103 is hermetically connected to one side of the lower shell 102; the outer wall of the shell door 103 is fixedly connected with a handle 104, so that the shell door 103 can be conveniently opened; in order to ensure the sealing effect of the case door 103, the upper end of the case door 103 is caught inside the snap ring 11 of the upper case 101.

In order to ensure that the air in the air inlet cavity 43 enters the outer wall of the electrical equipment and has the function of cooling the electrical equipment, a plurality of cooling vent holes 44 are formed through the supporting plate 41; the supporting plate 41 is provided with a wire guide groove 45 at the upper side corresponding to the position of the sealing groove. The wire groove 45 and the sealing groove are opened towards one end of the shell door 103, so that the power transmission line of the electrical equipment can enter conveniently.

In order to facilitate the supporting and fixing of the whole device, the lower side of the shell 1 is provided with a mounting and supporting device.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. An electrical equipment protection device, comprising: the device comprises a shell (1), an upper exhaust device (2), a lower air inlet device (3), a support device (4) and an inlet wire sealing device (5); an upper exhaust device (2) is arranged on the upper side of an inner cavity of the shell (1), a supporting device (4) is arranged at the bottom of the inner cavity of the shell (1), a lower air inlet device (3) is arranged below the supporting device (4), a wire inlet groove is formed in the bottom of the shell (1), and a wire inlet sealing device (5) is fixedly connected inside the wire inlet groove;

the upper exhaust device (2) includes: an exhaust duct (21) and a blower (22); the exhaust groove (21) is arranged through the upper wall of the shell (1), and the air blowing device (22) is fixedly connected below the exhaust groove (21);

the exhaust groove (21) includes: an exhaust notch (211), a drainage groove (212) and a diversion cover (213); one side of the drainage groove (212) is integrally formed or fixedly connected with the flow guide cover (213), the exhaust notch (211) is reserved between one end part of the drainage groove (212) far away from the flow guide cover and the adjacent flow guide cover (213), the cross section of the flow guide cover (213) is arc-shaped, and a gap between the flow guide cover (213) and the adjacent drainage groove (212) is arranged at the top end of the arc-shaped inner cavity of the flow guide cover (213); covering the exhaust notch (211) in the inner cavity of the diversion cover (213);

the support device (4) comprises: the structure of the air conditioner comprises a supporting plate (41) and a buffer piece (42), wherein the structural size of the supporting plate (41) is matched with the inner cavity structure of the shell (1), and the bottom of the supporting plate (41) is fixedly connected with the buffer piece (42); supporting the buffer member (42) between the support plate (41) and the bottom of the inner cavity of the shell (1);

an air inlet cavity (43) is reserved between the supporting device (4) and the bottom of the inner cavity of the shell (1), an air inlet hole is formed in the shell (1) penetrating through the air inlet cavity (43), and the lower air inlet device (3) is arranged at the air inlet hole;

the lower air intake device (3) includes: an exhaust shell (31), a filter shell (32) and a connector (33); the outer part of the connector (33) is adaptively connected with the air inlet, the connector (33) is integrally formed or fixedly connected with the filter shell (32), the other end of the filter shell (32) is fixedly connected with the exhaust shell (31), and a plurality of exhaust holes (34) are formed in the exhaust shell (31) in a penetrating manner;

an air filtering agent and/or a drying agent are/is arranged in the exhaust shell (31);

the inlet wire sealing device (5) comprises: go up connecting plate (51) and lower connecting plate (52), connect through connecting piece (53) between going up connecting plate (51) and the lower connecting plate (52) one end open-ended seal groove (55) have been seted up in going up connecting plate (51) and lower connecting plate (52) middle part on a parallel with inlet wire groove length direction be connected with between going up connecting plate (51) and lower connecting plate (52) and seal block (54), seal block (54) include: the sealing device comprises a left sealing block (541) and a right sealing block (542), wherein the left sealing block (541) and the right sealing block (542) are in compression sealing; the connecting piece (53) is arranged inside the left sealing block (541) and/or the right sealing block (542).

2. The electrical equipment protection device according to claim 1, wherein the drainage channel (212) and the diversion cover (213) are integrally formed into an S-shaped structure in cross section, and two ends of the S-shaped structure are fixedly connected with the shell (1) or integrally formed; and a drainage groove (212) between the adjacent S-shaped structures is inserted into the inner cavity of the adjacent diversion cover (213).

3. The electrical equipment protection device according to claim 1, wherein the filter housing (32) and the exhaust housing (31) are connected by a screw thread; the connector (33) is in threaded connection with the air inlet.

4. Electrical equipment protection device according to claim 1, characterized in that said connecting element (53) is of a rod-like or wire rope construction.

5. The electrical equipment protection device of claim 1, wherein the housing comprises: the device comprises an upper shell (101) and a lower shell (102), wherein the lower end of the upper shell (101) is fixedly connected with a clamping ring (11), the lower side of the clamping ring (11) is sleeved on the outer wall of the upper end of the lower shell (102), and the upper shell (101) and the lower shell (102) are detachably connected together;

the air blowing device (22) is fixedly connected to the inner cavity of the upper shell (101).

6. The electrical equipment protection device according to claim 5, wherein the air blowing device (22) comprises: the fan blade support is characterized by comprising fan blades (221), a rotating shaft (222), a driving motor (223) and a support frame (224), wherein the support frame (224) is fixedly connected to the lower end of the inner cavity of the upper shell (101), the center of the support frame (224) is fixedly supported and connected with the driving motor (223), the output end of the driving motor (223) is connected with the rotating shaft (222), and the upper end of the rotating shaft (222) is connected with the fan blades (221); the driving motor (223) drives the fan blade (221) to rotate.

7. The electrical equipment protection device according to claim 6, wherein an air blast guide shell (23) is arranged inside the upper shell (101), the air blast guide shell (23) is in a circular arc horn-shaped structure, the cross section of the air blast guide shell (23) is in a downward open structure, and the air blast device (22) is arranged inside the air blast guide shell (23).

8. The electrical equipment protection device according to claim 5, wherein a housing door (103) is hermetically connected to one side of the lower housing (102); the outer wall of the shell door (103) is fixedly connected with a handle (104); the upper end of the shell door (103) is buckled inside a snap ring (11) of the upper shell (101).

9. Electrical equipment protection device according to claim 1, characterized in that a plurality of cooling vents (44) are provided through said support plate (41); the upper side of the position of the supporting plate (41) corresponding to the sealing groove is provided with a wire guide groove (45).

10. Electrical equipment protection device according to claim 1, characterized in that the housing (1) is provided with mounting support means on its underside.