Electrical equipment moisture-proof device

Abstract

The utility model relates to the technical field of electrical equipment, and discloses a moisture-proof device for electrical equipment, which solves the problem that a current filter screen needs to be disassembled when the filter screen is blocked or too much dust is accumulated, and comprises a box body, a rain shelter is fixedly arranged at the top of the box body, and a box door is hinged on the box body. A filtering moisture-proof mechanism is mounted on the outer side of the box body, and an extrusion mechanism is mounted on the filtering moisture-proof mechanism; according to the dust removal device, through cooperation of the draught fan, the water absorption sponge and the filter screen, moisture in the box body can be blown out, meanwhile, gas entering the box body is dehumidified, external dust is prevented from entering the box body, through cooperation of the motor, the transmission shaft, the first bevel gear and the second bevel gear, rotation of the rotating shaft is facilitated, and the dust removal effect is improved. And through cooperation of a first eccentric block and a filter screen and cooperation of a side rod and a first spring, the filter screen vibrates conveniently to shake off impurities on the filter screen, and therefore the filter screen is prevented from being blocked.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical equipment, in particular to a moisture-proof device for electrical equipment. Background Art

[0002] Electrical equipment is a general term for generators, transformers, power lines, circuit breakers and other equipment in the power system. The important role that electricity plays in our lives and production cannot be ignored. It brings us great convenience and becomes an important energy source in our production and life. The most critical factor for the normal operation and transmission of electricity in power plants is electrical equipment; according to the patent document with the authorization announcement number: CN212305843U, entitled "A moisture-proof device for electrical equipment", it includes a box body, an inverted V-shaped rain shield is fixedly connected to the upper end of the box body, an air outlet and an air inlet are symmetrically provided on one side of the box body, an air outlet and an air inlet are respectively installed on the inner wall of the box body at the air outlet and the air inlet, a square dehumidification frame is fixedly connected to the outer wall of the box body at the corresponding position of the air inlet, a gutter is provided at the inner bottom end of the dehumidification frame, A perforated plate is vertically embedded in the dehumidifier frame, and the lower end of the perforated plate is fixedly connected to the inner bottom end of the water tank, the perforated plate is provided with evenly distributed ventilation holes, an extrusion plate is vertically slidably connected between the two perforated plates, and the two perforated plates and the lower ends of the extrusion plates form a water absorption space, the water absorption space is filled with block-shaped water-absorbing sponges, the upper end of the extrusion plate is connected with an intermittent extrusion device, the inner bottom end of the water tank and multiple water outlet holes are opened on both sides of the two perforated plates, the dehumidifier frame is provided with a socket between the air inlet and the perforated plate, the inner bottom end of the dehumidifier frame and a slot is opened at the corresponding position of the socket, the socket and the slot are jointly inserted with a plug plate, an alignment device is provided between the plug plate and the socket, an installation port is opened on the plug plate, and two filter screens are aligned and fixedly connected to the inner wall of the installation port, and water-absorbing particles are filled between the two filter screens; but the following defects still exist:

[0003] Although it can achieve dust and moisture protection for electrical equipment, when the filter is clogged or too much dust accumulates, it needs to be disassembled, which is rather cumbersome and affects the continuous use of the filter. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a moisture-proof device for electrical equipment, which effectively solves the problem that the current filter screen needs to be disassembled when it is clogged or accumulates too much dust.

[0005] To achieve the above object, the utility model provides the following technical solutions: a moisture-proof device for electrical equipment, comprising a box body, a rain shelter is fixedly installed on the top of the box body, a box door is hinged on the box body, a filtering moisture-proof mechanism is installed on the outer side of the box body, and a squeezing mechanism is installed on the filtering moisture-proof mechanism;

[0006] The filtering and moisture-proof mechanism includes an outer frame fixed to the outside of the box body, a mounting seat and a placement frame are fixedly installed inside the outer frame, the placement frame is located on the side of the mounting seat away from the box body, a fan is fixedly installed on the side of the mounting seat away from the placement frame, the top of the placement frame extends to the outside of the outer frame, a water-absorbing sponge is arranged inside the placement frame, ventilation holes are arranged on both sides of the placement frame, two side rods are symmetrically fixedly connected to the side of the placement frame away from the mounting seat, side blocks are fixedly installed at one end of the two side rods away from the placement frame, the same filter net is movably installed on the outside of the two side rods, the filter net is movably installed inside the outer frame, two springs are fixedly connected between the filter net and the placement frame, and the two springs are respectively sleeved on the outside of the two side rods.

[0007] Preferably, the inner bottom wall of the outer frame is rotatably connected to a rotating shaft, the top end of the rotating shaft extends to the outside of the outer frame and is fixedly installed with a bevel gear 2, and the outer side of the rotating shaft is fixedly installed with an eccentric block 1 located inside the outer frame, and the eccentric block 1 is located between the filter screen and the placement frame.

[0008] Preferably, a U-shaped frame is fixedly installed on the top of the outer frame, a motor is fixedly installed inside the U-shaped frame, a transmission shaft is fixedly installed on the motor, one end of the transmission shaft away from the motor is rotatably connected to the inner wall of the U-shaped frame, and a bevel gear 1 is fixedly installed on the outer side of the transmission shaft, and bevel gear 1 is meshingly connected with bevel gear 2.

[0009] Preferably, two limiting grooves are symmetrically arranged inside the outer frame, and two limiting blocks are symmetrically fixedly installed on the outer side of the filter screen, and the two limiting blocks are slidably connected to the inside of the two limiting grooves respectively.

[0010] Preferably, the extrusion mechanism includes two guide rods fixed inside the U-shaped frame, the bottom ends of the two guide rods are fixed to the top of the outer frame, and a movable plate is movably installed on the outer sides of the two guide rods. Two springs 2 are fixedly connected between the movable plate and the outer frame, and the two springs 2 are respectively sleeved on the outer sides of the two guide rods. A connecting plate is fixedly installed on the bottom of the movable plate, and an extrusion plate is fixedly installed on the bottom of the connecting plate. The extrusion plate is movably sleeved inside the placement frame and fits with the absorbent sponge, and an eccentric block 2 is fixedly installed on the outer side of the transmission shaft, and the eccentric block 2 is located directly above the movable plate.

[0011] Preferably, a drainage groove is provided at the bottom of the outer frame, and drainage holes are provided at equal distances at the bottom of the placement frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model can blow out the moisture inside the box through the cooperation between the fan, the water-absorbing sponge and the filter, and at the same time dehumidify the gas entering the box to prevent external dust from entering the box. The cooperation between the motor and the transmission shaft and the bevel gears 1 and 2 facilitates the rotation of the shaft. The cooperation between the eccentric block 1 and the filter and the side rod and the spring 1 facilitates the vibration of the filter to shake off the impurities on it, thereby preventing the filter from being blocked.

[0014] (2) The new type can rotate the eccentric block 2 through the cooperation between the motor and the transmission shaft, and the cooperation between the movable plate and the guide rod as well as the spring 2 and the connecting plate facilitates the continuous up and down movement of the squeezing plate to squeeze the water-absorbing sponge, so that the water in the water-absorbing sponge is discharged from the drainage hole and the drainage groove, thereby maintaining the water absorption characteristics of the water-absorbing sponge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of the moisture-proof device for electrical equipment of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the filtering and moisture-proof mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the outer frame of the utility model;

[0020] Figure 4 This is a schematic diagram of the bottom structure of the outer frame of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the extrusion mechanism of the utility model;

[0022] In the figure: 1. box body; 2. filtering and moisture-proof mechanism; 201. outer frame; 202. placement frame; 203. motor; 204. transmission shaft; 205. water-absorbing sponge; 206. U-shaped frame; 207. bevel gear one; 208. bevel gear two; 209. rotating shaft; 2010. filter screen; 2011. mounting seat; 2012. fan; 2013. side rod; 2014. side block; 2015. limit groove; 2016. limit block; 2017. spring one; 2018. vent hole; 2019. eccentric block one; 2020. drainage groove; 2021. drainage hole; 3. extrusion mechanism; 301. guide rod; 302. eccentric block two; 303. connecting plate; 304. extrusion plate; 305. spring two; 306. movable plate; 4. canopy; 5. box door. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Embodiment 1, by Figure 1 The utility model comprises a box body 1, a rain shelter 4 is fixedly installed on the top of the box body 1, a box door 5 is hinged on the box body 1, a filtering and moisture-proof mechanism 2 is installed on the outer side of the box body 1, and a squeezing mechanism 3 is installed on the filtering and moisture-proof mechanism 2.

[0025] Specifically, by Figure 2-3The filtering and moisture-proof mechanism 2 includes an outer frame 201 fixed to the outside of the box body 1, the outer frame 201 is provided at the air inlet, a mounting seat 2011 and a placement frame 202 are fixedly installed inside the outer frame 201, the placement frame 202 is located on the side of the mounting seat 2011 away from the box body 1, a fan 2012 is fixedly installed on the side of the mounting seat 2011 away from the placement frame 202, the top of the placement frame 202 extends to the outside of the outer frame 201, a water-absorbing sponge 205 is provided inside the placement frame 202, and the placement frame 202 is provided with a water-absorbing sponge 205. There are vent holes 2018 on both sides. Two side rods 2013 are symmetrically fixedly connected to one side of the placement frame 202 away from the mounting seat 2011. Side blocks 2014 are fixedly installed on the ends of the two side rods 2013 away from the placement frame 202. The same filter 2010 is movably installed on the outer sides of the two side rods 2013. The filter 2010 is movably installed inside the outer frame 201. Two springs 2017 are fixedly connected between the filter 2010 and the placement frame 202. The two springs 2017 are respectively The outer bottom wall of the outer frame 201 is rotatably connected with a rotating shaft 209, the top of the rotating shaft 209 extends to the outside of the outer frame 201 and is fixedly installed with a bevel gear 208, the outer side of the rotating shaft 209 is fixedly installed with an eccentric block 2019 located inside the outer frame 201, the eccentric block 2019 is located between the filter screen 2010 and the placement frame 202, the top of the outer frame 201 is fixedly installed with a U-shaped frame 206, and the inside of the U-shaped frame 206 is fixedly installed with a motor 203. A transmission shaft 204 is fixedly mounted on the motor 203, and one end of the transmission shaft 204 away from the motor 203 is rotatably connected to the inner wall of the U-shaped frame 206. A bevel gear 1 207 is fixedly mounted on the outer side of the transmission shaft 204, and the bevel gear 1 207 is meshed and connected with the bevel gear 2 208. Two limit grooves 2015 are symmetrically arranged inside the outer frame 201, and two limit blocks 2016 are symmetrically fixedly mounted on the outer side of the filter screen 2010, and the two limit blocks 2016 are respectively slidably connected to the inside of the two limit grooves 2015;

[0026] When in use, first start the fan 2012 to extract the external gas. At the same time, the external gas is filtered through the filter 2010 and dehumidified by the water-absorbing sponge 205 to enter the interior of the box 1 and blow out the moisture inside the box 1 to play a role in dust and moisture prevention. Then the motor 203 can be started to drive the transmission shaft 204 to rotate. Since the bevel gear 1 207 is meshed and connected with the bevel gear 208, the rotation of the rotating shaft 209 is driven. At the same time, the eccentric block 1 2019 rotates to continuously impact the filter 2010. Under the elastic action of the two springs 1 2017, the filter 2010 is continuously vibrated to shake off the impurities on the filter 2010. Finally, there is no need to disassemble the filter 2010 to avoid clogging of the filter 2010.

[0027] Specifically, by Figure 4-5It is given that the extrusion mechanism 3 includes two guide rods 301 fixed inside the U-shaped frame 206, the bottom ends of the two guide rods 301 are fixed to the top of the outer frame 201, and a movable plate 306 is movably installed on the outer side of the two guide rods 301. Two springs 305 are fixedly connected between the movable plate 306 and the outer frame 201. The two springs 305 are respectively sleeved on the outer sides of the two guide rods 301, and a connecting plate 303 is fixedly installed at the bottom of the movable plate 306. An extrusion plate 304 is fixedly installed at the bottom of the connecting plate 303. The extrusion plate 304 is movably sleeved inside the placement frame 202 and fits with the water-absorbing sponge 205. An eccentric block 302 is fixedly installed on the outer side of the transmission shaft 204. The eccentric block 302 is located directly above the movable plate 306. A drainage groove 2020 is provided at the bottom of the outer frame 201, and drainage holes 2021 are equidistantly provided at the bottom of the placement frame 202.

[0028] When in use, first start the motor 203 to drive the transmission shaft 204 to rotate, and at the same time, the eccentric block 202 rotates to continuously impact the movable plate 306, and the movable plate 306 is driven to move up and down under the action of the characteristics of the two springs 205. At the same time, the squeezing plate 304 is driven to move up and down inside the placement frame 202 through the connecting plate 303, thereby squeezing the absorbent sponge 205, so that the water in the absorbent sponge 205 is discharged from the drainage hole 2021 and the drainage groove 2020, and finally the water absorption characteristics of the absorbent sponge 205 are maintained.

Claims

1. A moisture-proof device for electrical equipment, comprising a box (1), characterized in that: A rain shelter (4) is fixedly mounted on the top of the box (1), a box door (5) is hingedly mounted on the box (1), a filtering and moisture-proof mechanism (2) is mounted on the outer side of the box (1), and a squeezing mechanism (3) is mounted on the filtering and moisture-proof mechanism (2); The filtering and moisture-proof mechanism (2) comprises an outer frame (201) fixed to the outside of the box body (1); a mounting seat (2011) and a placement frame (202) are fixedly installed inside the outer frame (201); the placement frame (202) is located on a side of the mounting seat (2011) away from the box body (1); a fan (2012) is fixedly installed on a side of the mounting seat (2011) away from the placement frame (202); the top of the placement frame (202) extends to the outside of the outer frame (201); a water-absorbing sponge (205) is provided inside the placement frame (202); and ventilation holes (2018) are provided on both sides of the placement frame (202). Two side rods (2013) are symmetrically fixedly connected to one side of the placement frame (202) away from the mounting seat (2011); one end of the two side rods (2013) away from the placement frame (202) is fixedly mounted with a side block (2014); the outer sides of the two side rods (2013) are movably mounted with a same filter screen (2010); the filter screen (2010) is movably mounted inside the outer frame (201); two springs (217) are fixedly connected between the filter screen (2010) and the placement frame (202); the two springs (217) are respectively sleeved on the outer sides of the two side rods (2013).

2. The moisture-proof device for electrical equipment according to claim 1, characterized in that: The inner bottom wall of the outer frame (201) is rotatably connected to a rotating shaft (209), the top end of the rotating shaft (209) extends to the outside of the outer frame (201) and is fixedly mounted with a bevel gear 2 (208), and the outer side of the rotating shaft (209) is fixedly mounted with an eccentric block 1 (2019) located inside the outer frame (201), and the eccentric block 1 (2019) is located between the filter screen (2010) and the placement frame (202).

3. The moisture-proof device for electrical equipment according to claim 1, characterized in that: A U-shaped frame (206) is fixedly mounted on the top of the outer frame (201), a motor (203) is fixedly mounted inside the U-shaped frame (206), a transmission shaft (204) is fixedly mounted on the motor (203), one end of the transmission shaft (204) away from the motor (203) is rotatably connected to the inner wall of the U-shaped frame (206), a bevel gear 1 (207) is fixedly mounted on the outer side of the transmission shaft (204), and the bevel gear 1 (207) is meshingly connected with the bevel gear 2 (208).

4. The moisture-proof device for electrical equipment according to claim 1, characterized in that: Two limiting grooves (2015) are symmetrically arranged inside the outer frame (201), and two limiting blocks (2016) are symmetrically fixedly installed on the outer side of the filter screen (2010), and the two limiting blocks (2016) are respectively slidably connected to the inside of the two limiting grooves (2015).

5. The moisture-proof device for electrical equipment according to claim 1, characterized in that: The squeezing mechanism (3) comprises two guide rods (301) fixed inside the U-shaped frame (206), the bottom ends of the two guide rods (301) are fixed to the top of the outer frame (201), a movable plate (306) is movably installed on the outer sides of the two guide rods (301), two springs (305) are fixedly connected between the movable plate (306) and the outer frame (201), the two springs (305) are respectively sleeved on the outer sides of the two guide rods (301), a connecting plate (303) is fixedly installed at the bottom of the movable plate (306), a squeezing plate (304) is fixedly installed at the bottom of the connecting plate (303), the squeezing plate (304) is movably sleeved inside the placement frame (202) and fits with the water-absorbing sponge (205), and an eccentric block (302) is fixedly installed on the outer side of the transmission shaft (204), and the eccentric block (302) is located directly above the movable plate (306).

6. The moisture-proof device for electrical equipment according to claim 1, characterized in that: The bottom of the outer frame (201) is provided with a drainage groove (2020), and the bottom of the placement frame (202) is provided with drainage holes (2021) at equal distances.

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