Dustproof and waterproof mutual inductor shell

Abstract

The utility model discloses a dustproof and waterproof mutual inductor shell, and belongs to the technical field of mutual inductor protection. By arranging the ventilation mechanism, dust can be prevented from entering the device, a fan is turned on, air is blown into the device, the air enters a drying agent box through ventilation holes, drying treatment is conducted on the air through a drying agent in the drying agent box, the dried air is filtered through a filter plate, and the treated air enters the bottom. According to the device, the internal air is increased, the air jacks up the air baffle, the spring is stretched, the original air in the device is exhausted to the outside of the device, the air baffle returns to the original position by means of the restoring force of the spring after exhausting is completed, the exhaust hole is closed, the external air is prevented from entering the device and polluting the mutual inductor, and the device can be pulled out by pulling the handle. And a drying agent box and a filter plate are overhauled and replaced, so that the practicability of the device is greatly improved.

Description

Technical Field

[0001] The present application relates to the technical field of transformer protection, and in particular to a dustproof and waterproof transformer housing. Background Art

[0002] The patent with the published authorization announcement number CN207925216U discloses a dustproof and waterproof transformer housing, including an outer cover, an inner cover, a bottom plate, a sealing cover, a lead tube and a boss; the bottom plate is provided with a boss, a transformer is placed on the boss, the outer cover of the boss is provided with an inner cover, the lower part of the inner cover is fixed to the boss by a snap fastener, the front and rear sides of the inner cover are provided with a second threading hole, the outer cover of the inner cover is provided with an outer cover, the lower part of the side wall of the outer cover is fixed to the bottom plate by a fixing plate, the front and rear sides of the outer cover are provided with a first threading hole corresponding to the second threading hole, a detachable sealing cover is provided at the first threading hole, a through hole is provided at the center of the sealing cover, and a lead tube is connected to the through hole; two lead holes are provided on the bottom plate, the dustproof and waterproof transformer housing has a simple structure, is easy to install, and can effectively achieve dustproof and waterproof.

[0003] When the device in the above patent protects the transformer, it ventilates and dissipates heat from the transformer through multiple ventilation holes opened on the outside of the device. However, the heat dissipation effect relying solely on the ventilation holes may be poor, and external dust may enter the device through the ventilation holes and be adsorbed on the internal transformer surface, affecting the transformer and reducing the practicality of the device.

[0004] To this end, the present application proposes a dustproof and waterproof transformer housing. Utility Model Content

[0005] The present application proposes a dustproof and waterproof transformer casing to solve the problems raised in the above-mentioned background technology; the dustproof and waterproof transformer casing prevents external air from entering the interior of the device and causing contamination to the transformer by arranging a ventilation mechanism, a fan, a slide groove, a slider, a desiccant box, ventilation holes, a filter plate, a handle, an exhaust hole, a wind shield and a spring, and the device can be pulled out by pulling the handle, and the desiccant box and the filter plate can be inspected and replaced, which greatly improves the practicality of the device.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A dustproof and waterproof transformer housing, comprising an internal protective shell, fixed structures are provided at the bottom of both sides of the internal protective shell, a mounting structure is provided inside the internal protective shell, a sealing mechanism is provided inside the internal protective shell, a ventilation mechanism is provided inside the internal protective shell, the ventilation mechanism comprises a fan, and the fan is installed inside the internal protective shell, the fan penetrates to the top of the internal protective shell, a slide groove is provided on the inner wall of one side of the internal protective shell, a slider is slidably connected inside the slide groove, a desiccant box and a filter plate are fixedly connected to one side of the slider, and the desiccant box and the filter plate penetrate to the outside of the internal protective shell, a plurality of ventilation holes are provided on the surfaces of both ends of the desiccant box, a handle is fixedly connected to one side of the desiccant box and the filter plate, an exhaust hole is provided on one side surface of the internal protective shell, a wind shield is hinged on the top of one side of the exhaust hole, a spring is fixedly connected to one side of the wind shield, and the top of the spring is fixedly connected to the top inner wall of the exhaust hole.

[0008] As a preferred embodiment, the outer part of the inner protective shell is slidably connected to the outer protective shell;

[0009] By installing an external protective shell on the outside of the internal protective shell, the waterproof performance of the device can be improved by utilizing double-layer protection, thereby improving the practicality of the device.

[0010] As a preferred embodiment, the fixing structure includes a connecting block, and the connecting block is fixedly connected to the bottom of both sides of the internal protective shell, and a No. 1 mounting hole is opened on the surface of the connecting block;

[0011] By passing the screw through the No. 1 mounting hole, the device can be easily fixed and disassembled without causing damage to the device, thereby improving the practicality of the device.

[0012] As a preferred embodiment, the mounting structure includes a mounting plate, and the mounting plate is fixedly connected to the bottom end of the bottom of the internal protective shell, and two mounting holes are opened on both sides of the top surface of the mounting plate;

[0013] By placing the transformer on the top of the mounting plate and then fixing the transformer through the No. 2 mounting hole, it is ensured that the transformer will not shake inside, thereby improving the practicality of the device.

[0014] As a preferred embodiment, the sealing mechanism includes a side hole, and the side hole is opened on both side surfaces of the inner protective shell and the outer protective shell, the inside of the side hole is slidably connected with a rubber plug, and the diameter of the rubber plug is larger than the diameter of the side hole, and one side of the rubber plug is fixedly connected with a wire tube, and the wire tube passes through the rubber plug;

[0015] The coil can be passed through the wire tube to the inside of the device, and the rubber plug can be inserted into the side hole. Since the diameter of the rubber plug is larger than the diameter of the side hole, the sealing between the two can be ensured, thereby improving the practicality of the device.

[0016] As a preferred embodiment, the material of the inner protective shell and the outer protective shell is polypropylene;

[0017] By selecting polypropylene as the material for the inner protective shell and the outer protective shell, the insulation performance of the device can be improved, the safety level of the device can be improved, and thus the practicality of the device can be improved.

[0018] Beneficial effects of this application:

[0019] 1. The dustproof and waterproof transformer housing can prevent dust from entering the device by arranging a ventilation mechanism, a fan, a slide groove, a slider, a desiccant box, a ventilation hole, a filter plate, a handle, an exhaust hole, a wind shield and a spring. The fan is turned on to blow air into the device. The air enters the desiccant box through the ventilation hole, and is dried by the desiccant inside the desiccant box. The dried air is filtered through the filter plate, and the treated air enters the bottom to increase the internal air. The air lifts the wind shield to stretch the spring, and the original air inside the device is discharged to the outside of the device. After the exhaust is completed, the wind shield is returned to its original position with the help of the spring's own restoring force, and the exhaust hole is closed to prevent external air from entering the device and polluting the transformer. The device can be pulled out by pulling the handle, and the desiccant box and the filter plate can be inspected and replaced, which greatly improves the practicality of the device.

[0020] 2. The dustproof and waterproof transformer housing can improve the sealing performance of the device by setting a sealing mechanism, a side hole, a rubber plug and a wire tube. The coil can be passed into the interior of the device through the wire tube, and the rubber plug can be inserted into the side hole. Since the diameter of the rubber plug is larger than the diameter of the side hole, the sealing between the two can be ensured, which greatly improves the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front structural cross-sectional view of the present application;

[0022] Figure 2 It is a side structural cross-sectional view of the present application;

[0023] Figure 3 For this application Figure 1 Enlarged view of point A in the middle;

[0024] Figure 4 For this application Figure 1 Enlarged view of point B in the middle.

[0025] Numbers in the figure: 1. Internal protective shell; 11. External protective shell; 2. Fixing structure; 21. Connecting block; 22. Mounting hole No. 1; 3. Mounting structure; 31. Mounting plate; 32. Mounting hole No. 2; 4. Sealing mechanism; 41. Side hole; 42. Rubber plug; 43. Wire tube; 5. Ventilation mechanism; 51. Fan; 52. Slide; 53. Slider; 54. Desiccant box; 55. Ventilation hole; 56. Filter plate; 57. Handle; 58. Exhaust hole; 59. Wind shield; 510. Spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0027] Reference Figure 1-2 A dustproof and waterproof transformer housing includes an internal protective shell 1, and the outside of the internal protective shell 1 is slidably connected to an external protective shell 11; by installing the external protective shell 11 on the outside of the internal protective shell 1, double-layer protection is used to improve the waterproof performance of the device, thereby improving the practicability of the device.

[0028] Reference Figure 1 A fixing structure 2 is provided at the bottom of both sides of the internal protective shell 1, and the fixing structure 2 includes a connecting block 21, and the connecting block 21 is fixedly connected to the bottom of both sides of the internal protective shell 1, and a No. 1 mounting hole 22 is provided on the surface of the connecting block 21; by passing the screw through the No. 1 mounting hole 22, the device can be easily fixed and disassembled without causing damage to the device, thereby improving the practicality of the device.

[0029] Reference Figure 1 A mounting structure 3 is provided inside the internal protective shell 1, and the mounting structure 3 includes a mounting plate 31, and the mounting plate 31 is fixedly connected to the bottom end of the bottom of the internal protective shell 1, and No. 2 mounting holes 32 are provided on both sides of the top surface of the mounting plate 31; by placing the mutual inductor on the top of the mounting plate 31, the mutual inductor can be fixed through the No. 2 mounting hole 32 to ensure that it will not shake inside, thereby improving the practicability of the device.

[0030] Reference Figure 1-2A sealing mechanism 4 is provided inside the inner protective shell 1, and the sealing mechanism 4 includes a side hole 41, and the side hole 41 is opened on the two side surfaces of the inner protective shell 1 and the outer protective shell 11, and a rubber plug 42 is slidably connected to the inside of the side hole 41, and the diameter of the rubber plug 42 is larger than the diameter of the side hole 41, and a wire tube 43 is fixedly connected to one side of the rubber plug 42, and the wire tube 43 passes through the rubber plug 42; through the wire tube 43, the coil can be passed into the inside of the device, and the rubber plug 42 can be plugged into the inside of the side hole 41. Since the diameter of the rubber plug 42 is larger than the diameter of the side hole 41, the sealing between the two can be guaranteed, thereby improving the practicality of the device.

[0031] Reference Figure 1 , Figure 3 and Figure 4 A ventilation mechanism 5 is provided inside the internal protective shell 1, and the ventilation mechanism 5 includes a fan 51, and the fan 51 is installed inside the internal protective shell 1, and the fan 51 penetrates to the top of the internal protective shell 1, and a slide groove 52 is provided on the inner wall of one side of the internal protective shell 1, and a slider 53 is slidably connected inside the slide groove 52, and a desiccant box 54 and a filter plate 56 are fixedly connected to one side of the slider 53, and the desiccant box 54 and the filter plate 56 penetrate to the outside of the internal protective shell 1, and a plurality of ventilation holes 55 are provided on the surfaces of both ends of the desiccant box 54, and a handle 57 is fixedly connected to one side of the desiccant box 54 and the filter plate 56, and an exhaust hole 58 is provided on the surface of one side of the internal protective shell 1, and a wind shield plate 59 is hinged on the top of one side of the exhaust hole 58, and a spring 510 is fixedly connected to one side of the wind shield plate 59, and the top of the spring 510 is fixedly connected to the top inner wall of the exhaust hole 58.

[0032] Reference Figure 1-2 The material of the inner protective shell 1 and the outer protective shell 11 is polypropylene; by selecting polypropylene as the material of the inner protective shell 1 and the outer protective shell 11, the insulation performance of the device can be improved, the safety level of the device can be improved, and thus the practicality of the device can be improved.

[0033] Working principle: When the device is used, the outer protective shell 11 is installed on the outside of the inner protective shell 1, and the double-layer protection is used to improve the waterproof performance of the device. Polypropylene is selected as the material of the inner protective shell 1 and the outer protective shell 11, which can improve the insulation performance of the device and improve the safety level of the device. The screw is passed through the No. 1 mounting hole 22, which is convenient for fixing and disassembling the device without causing damage to the device. The mutual inductor is placed on the top of the mounting plate 31, and then the mutual inductor can be fixed through the No. 2 mounting hole 32 to ensure that it will not shake inside. The coil can be passed into the device through the wire tube 43, and the rubber plug 42 is inserted into the side hole 41. Since the diameter of the rubber plug 42 is larger than the diameter of the side hole 41, it can be ensured. To ensure the sealing between the two, turn on the fan 51 to blow air into the device. The air enters the desiccant box 54 through the ventilation hole 55, and is dried by the desiccant in the desiccant box 54. The dried air is filtered through the filter plate 56, and the treated air enters the bottom to increase the internal air. The air lifts the wind shield 59 to stretch the spring 510, and the original air in the device is discharged to the outside of the device. After the exhaust is completed, the wind shield 59 returns to its original position with the help of the self-restoring force of the spring 510, and the exhaust hole 58 is closed to prevent external air from entering the device and causing pollution to the mutual inductor. The device can be pulled out by pulling the handle 57, and the desiccant box 54 and the filter plate 56 can be inspected and replaced.

[0034] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and utility model concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. A dustproof and waterproof transformer housing, comprising an inner protective shell (1), characterized in that: The bottom of both sides of the internal protective shell (1) are provided with fixing structures (2), the interior of the internal protective shell (1) is provided with a mounting structure (3), the interior of the internal protective shell (1) is provided with a sealing mechanism (4), the interior of the internal protective shell (1) is provided with a ventilation mechanism (5), the ventilation mechanism (5) comprises a fan (51), and the fan (51) is installed inside the internal protective shell (1), the fan (51) penetrates to the top of the internal protective shell (1), a sliding groove (52) is provided on the inner wall of one side of the internal protective shell (1), a sliding block (53) is slidably connected to the interior of the sliding groove (52), and one side of the sliding block (53) A desiccant box (54) and a filter plate (56) are fixedly connected, and the desiccant box (54) and the filter plate (56) extend to the outside of the internal protective shell (1); a plurality of ventilation holes (55) are provided on the surfaces of both ends of the desiccant box (54); a handle (57) is fixedly connected to one side of the desiccant box (54) and the filter plate (56); an exhaust hole (58) is provided on the surface of one side of the internal protective shell (1); a windshield plate (59) is hingedly connected to the top of one side of the exhaust hole (58); a spring (510) is fixedly connected to one side of the windshield plate (59); and the top of the spring (510) is fixedly connected to the inner wall of the top of the exhaust hole (58).

2. A dustproof and waterproof transformer housing according to claim 1, characterized in that: The exterior of the internal protective shell (1) is slidably connected to an external protective shell (11).

3. The dustproof and waterproof transformer housing according to claim 1, characterized in that: The fixing structure (2) comprises a connecting block (21), and the connecting block (21) is fixedly connected to the bottom of two sides of the internal protective shell (1), and a first mounting hole (22) is provided on the surface of the connecting block (21).

4. The dustproof and waterproof transformer housing according to claim 1, characterized in that: The mounting structure (3) comprises a mounting plate (31), and the mounting plate (31) is fixedly connected to the bottom end of the bottom of the internal protective shell (1), and second mounting holes (32) are provided on both sides of the top surface of the mounting plate (31).

5. The dustproof and waterproof transformer housing according to claim 2, characterized in that: The sealing mechanism (4) comprises a side hole (41), and the side hole (41) is opened on both side surfaces of the inner protective shell (1) and the outer protective shell (11), a rubber plug (42) is slidably connected inside the side hole (41), and the diameter of the rubber plug (42) is larger than the diameter of the side hole (41), and a wire tube (43) is fixedly connected to one side of the rubber plug (42), and the wire tube (43) passes through the rubber plug (42).

6. The dustproof and waterproof transformer housing according to claim 1, characterized in that: The material of the inner protective shell (1) and the outer protective shell (11) is polypropylene.

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