Explosion-proof high-voltage variable-frequency speed regulator

Abstract

The utility model relates to the technical field of variable-frequency speed regulators, in particular to an explosion-proof high-voltage variable-frequency speed regulator which comprises a speed regulator body, a filter tank and a hinge door, one side of a shell in the speed regulator body is hollow to form an air inlet hole, the lower end of the shell is hollow to form an exhaust hole, and one side of the air inlet hole is hollow to form an outer tank in the filter tank. The rear end of a sliding groove is welded into the outer groove, a filter screen is movably connected into the sliding groove, a baffle is connected to the hollow position of one side of the outer groove through a bolt, and a small motor is connected into the baffle through a bolt. Through a small motor connected with the inner side of a baffle through a bolt, air outside the speed regulator body can enter the speed regulator body to circulate, so that the interior of the speed regulator body is cooled, and a first hinge plate rotating on the inner side of a first rotating shaft can rotate; and the second hinge plate is rotated by the second rotating shaft, so that a second threaded hole in the upper end of the second hinge plate can be aligned with the first threaded hole, and the rotating bolt can be rotationally connected with the second hinge plate.

Description

Technical Field

[0001] The utility model relates to the technical field of variable frequency speed regulators, in particular to an explosion-proof high-voltage variable frequency speed regulator. Background Art

[0002] A variable frequency speed regulator is a device that converts industrial frequency power (50Hz or 60Hz) into AC power of various frequencies to achieve variable speed operation of the motor. The control circuit completes the control of the main circuit, the rectifier circuit converts AC power into DC power, the DC intermediate circuit smoothes and filters the output of the rectifier circuit, and the inverter circuit converts DC power into AC power.

[0003] However, since high-frequency current often flows inside the frequency converter, the iron core is damaged and overheated. The electronic parts inside the frequency converter cannot withstand the high temperature generated by the iron core and may malfunction or explode, which is very dangerous.

[0004] Therefore, in order to solve the above problems, an explosion-proof high-voltage variable frequency speed regulator is proposed. Utility Model Content

[0005] The utility model aims to provide an explosion-proof high-voltage variable frequency speed regulator to solve the problem of malfunction or explosion of the variable frequency speed regulator in the prior art mentioned in the above background technology due to overheating of the iron core.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion-proof high-voltage variable frequency speed regulator, comprising: a speed regulator body, a filter tank and a hinge door;

[0007] One side of the shell in the speed regulator body is hollowed out to form an air inlet, the lower end of the shell is hollowed out to form an exhaust hole, one side of the air inlet is hollowed out to form an outer groove in the filter groove, the rear end of the slide groove is welded inside the outer groove, the filter screen is movably connected inside the slide groove, the hollow part on one side of the outer groove is connected to a baffle with bolts, the inside of the baffle is connected to a small motor with bolts, the front end of the small motor is connected to a fan with bolts, the rear ends of gaskets are welded on both sides of the hollow part of the lower end of the outer groove, the upper end of the gasket is connected to a first rotating shaft with bolts, the inner side of the first rotating shaft is connected to the upper end of a first hinge plate with bolts, the front end of the outer groove is welded to a hinge door, and a second threaded hole is welded on the inner side of the upper end of the second hinge plate in the hinge door.

[0008] Preferably, the front end of the housing in the speed regulator body is connected to the rear end of the control structure by bolts.

[0009] Preferably, one side of the shell is hollow to form an air inlet, and the lower end of the shell is hollow to form an air outlet.

[0010] Preferably, the hollow portion inside the outer tank of the filter tank is connected to a slide groove by bolts, and the filter screen is movably connected inside the slide groove.

[0011] Preferably, the hollow portion on one side of the outer groove is connected to the rear end of the baffle with bolts, the hollow portion inside the baffle is connected to the small motor with bolts, and the front end of the small motor is connected to the fan with bolts.

[0012] Preferably, the upper end of the outer groove is hollow to form a first threaded hole, the first threaded hole is rotatably connected to a rotating bolt, the rear end of a gasket is welded to one side of the lower end of the outer groove, the upper end of the gasket is bolted to a first rotating shaft, and the first rotating shaft is bolted to a first hinge plate.

[0013] Preferably, the front end of the second rotating shaft in the hinge door is movably connected to the rear end of the second hinge plate, and a second threaded hole is welded on the inner side of the upper end of the second hinge plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model can allow external airflow to enter the speed regulator body through the air inlet hole, the air inside the speed regulator body can be unblocked through the air outlet hole, the filter net movably connected inside the outer groove can filter the dust outside the outer groove, a small motor connected by bolts to the inner side of the baffle can allow external air of the speed regulator body to enter the interior of the speed regulator body for circulation so that the interior of the speed regulator body can be cooled, the first hinge plate can be rotated by rotating the first hinge plate inside the first rotating shaft, and the second hinge plate can be rotated by rotating the second hinge plate through the second rotating shaft so that the second threaded hole at the upper end of the second hinge plate can be aligned with the first threaded hole so that the rotating bolt can rotatably connect the second hinge plate.

[0015] 1. The utility model is provided with a shell, a control structure, an air inlet, an exhaust hole, a filter groove, an outer groove, a slide groove, a filter screen, a baffle, a small motor, a fan, a first threaded hole, a rotating bolt, a gasket, a first rotating shaft and a first hinge plate. The air inside the speed regulator body can be dredged through the air inlet hole so that the heat inside the speed regulator body can be dissipated faster. The heat inside the speed regulator body can be discharged through the exhaust hole so that the inside of the speed regulator body will not explode due to high temperature. The dust outside the column can be blocked through the filter screen so that the external dust will not easily enter the inside of the speed regulator body to interfere with the internal electronic parts. The fan connected with bolts at the front end of the small motor can enable the fan to infuse air into the speed regulator body so that the speed regulator body will not explode due to excessive heat. The first hinge plate can be rotated by the first rotating shaft so that one side of the outer groove can be opened to clean the stolen goods inside the outer groove.

[0016] 2. The utility model is provided with a second rotating shaft, a second hinge plate and a second threaded hole. The second threaded hole at the upper end of the second hinge plate is used to align the second threaded hole with the first threaded hole and connect the second hinge plate with a rotating thread so that the second hinge plate can be closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of a front cross-section of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the utility model;

[0019] Figure 3 It is a schematic side view of the structure of the utility model;

[0020] Figure 4 It is a bottom view schematic diagram of the structure of the utility model;

[0021] Figure 5 It is a schematic top view of the structure of the hinge door of the utility model.

[0022] In the figure: 1. speed regulator body; 101. housing; 102. control structure; 103. air inlet; 104. exhaust hole; 2. filter tank; 201. outer tank; 202. slide slot; 203. filter screen; 204. baffle; 205. small motor; 2051. fan; 206. first threaded hole; 207. rotating bolt; 208. gasket; 209. first rotating shaft; 210. first hinge plate; 3. hinge door; 301. second rotating shaft; 302. second hinge plate; 303. second threaded hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 , an embodiment provided by the utility model:

[0025] An explosion-proof high-voltage variable frequency speed regulator, comprising: a speed regulator body 1, a filter tank 2 and a hinge door 3;

[0026] One side of the shell 101 in the speed regulator body 1 is hollowed out to form an air inlet 103, and the lower end of the shell 101 is hollowed out to form an exhaust hole 104. One side of the air inlet 103 is hollowed out to form an outer tank 201 in the filter tank 2. The rear end of the slide 202 is welded inside the outer tank 201, and the filter screen 203 is movably connected inside the slide 202. The baffle 204 is bolted to the hollow part on one side of the outer tank 201, and the small motor 205 is bolted inside the baffle 204. The front end of the small motor 205 is bolted to the fan 2051. The rear ends of the gaskets 208 are welded on both sides of the hollow part of the lower end of the outer tank 201, and the upper ends of the gaskets 208 are bolted to the first rotating shaft 209. The inner side of the first rotating shaft 209 is bolted to the upper end of the first hinge plate 210. The hinge door 3 is welded to the front end of the outer tank 201, and the second threaded hole 303 is welded to the inner side of the upper end of the second hinge plate 302 in the hinge door 3.

[0027] Furthermore, the front end of the housing 101 in the speed regulator body 1 is connected to the rear end of the control structure 102 by bolts.

[0028] Furthermore, one side of the shell 101 is hollowed out to form an air inlet 103, and the lower end of the shell 101 is hollowed out to form an exhaust hole 104. The air inlet 103 on one side of the shell 101 and the exhaust hole 104 at the lower end are used to allow the hot air inside the speed regulator body 1 to flow.

[0029] Furthermore, the inner hollow part of the outer tank 201 in the filter tank 2 is connected to the slide groove 202 by bolts, and the inner part of the slide groove 202 is movably connected to the filter screen 203.

[0030] Furthermore, the hollow part on one side of the outer groove 201 is connected to the rear end of the baffle 204 with bolts, the hollow part inside the baffle 204 is connected to the small motor 205 with bolts, and the front end of the small motor 205 is connected to the fan 2051 with bolts. The small motor 205 bolted inside the baffle 204 is used to rotate the fan 2051 so that the fan 2051 can rotate to clear the hot air inside the speed regulator body 1.

[0031] Furthermore, the upper end of the outer groove 201 is hollow to form a first threaded hole 206, and the first threaded hole 206 is rotatably connected to a rotating bolt 207. The rear end of a gasket 208 is welded to one side of the lower end of the outer groove 201, and the upper end of the gasket 208 is bolted to a first rotating shaft 209, and the first rotating shaft 209 is bolted to a first hinge plate 210. The rotating bolt 207 rotatably connected to the inside of the first threaded hole 206 is used to connect to the second threaded hole 303, and the first rotating shaft 209 bolted to the upper end of the gasket 208 is used to rotate the first hinge plate 210 so that the first hinge plate 210 can be opened.

[0032] Furthermore, the front end of the second rotating shaft 301 in the hinge door 3 is movably connected to the rear end of the second hinge plate 302, and the second threaded hole 303 is welded on the inner side of the upper end of the second hinge plate 302. The second threaded hole 303 welded on the upper end of the second hinge plate 302 is used to connect with the first threaded hole 206.

[0033] Working principle: When in use, first use the control structure 102 to control the speed regulator body 1 to make the speed regulator body 1 work. When the speed regulator body 1 is heated, turn on the small motor 205 to drive the fan 2051 to pump air into the outer groove 201 to clear the hot air inside the speed regulator body 1. When it is necessary to clean the dust inside the outer groove 201, rotate the first rotating shaft 209 to make the first rotating shaft 209 rotate the first hinge plate 210 to clean the dirt inside the outer groove 201. When it is necessary to replace the filter 203, rotate the rotating bolt 207 to make the rotating bolt 207 rotate out from the first threaded hole 206 and the second threaded hole 303, so that the first threaded hole 206 is separated from the second threaded hole 303, and then rotate the second rotating shaft 301 to make the second rotating shaft 301 drive the second hinge plate 302 to rotate open, so that the filter 203 can be slid out of the slide groove 202 for replacement.

[0034] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An explosion-proof high-voltage variable frequency speed regulator, comprising: A speed regulator body (1), a filter tank (2) and a hinged door (3); The invention is characterized in that: one side of the outer shell (101) in the speed regulator body (1) is hollowed out to form an air inlet (103), the lower end of the outer shell (101) is hollowed out to form an air outlet (104), one side of the air inlet (103) is hollowed out to form an outer groove (201) in the filter groove (2), the rear end of the slide groove (202) is welded inside the outer groove (201), the filter screen (203) is movably connected inside the slide groove (202), the hollow part on one side of the outer groove (201) is connected to a baffle (204) by bolts, and the baffle (204) is bolted inside. A small motor (205) is connected, the front end of the small motor (205) is connected to a fan (2051) by bolts, the rear ends of gaskets (208) are welded on both sides of the hollow part of the lower end of the outer groove (201), the upper end of the gasket (208) is connected to a first rotating shaft (209) by bolts, the inner side of the first rotating shaft (209) is connected to the upper end of a first hinge plate (210) by bolts, the front end of the outer groove (201) is welded to a hinge door (3), and a second threaded hole (303) is welded to the inner side of the upper end of a second hinge plate (302) in the hinge door (3).

2. The explosion-proof high-voltage variable frequency speed regulator according to claim 1, characterized in that: The front end of the housing (101) in the speed regulator body (1) is connected to the rear end of the control structure (102) by bolts.

3. The explosion-proof high-voltage variable frequency speed regulator according to claim 2 is characterized in that: One side of the shell (101) is hollowed out to form an air inlet (103), and the lower end of the shell (101) is hollowed out to form an air outlet (104).

4. The explosion-proof high-voltage variable frequency speed regulator according to claim 1, characterized in that: The inner hollow part of the outer tank (201) in the filtering tank (2) is connected to the slide groove (202) by bolts, and the inner part of the slide groove (202) is movably connected to the filtering net (203).

5. The explosion-proof high-voltage variable frequency speed regulator according to claim 1, characterized in that: The hollow part on one side of the outer groove (201) is connected to the rear end of the baffle (204) by bolts, the hollow part inside the baffle (204) is connected to the small motor (205) by bolts, and the front end of the small motor (205) is connected to the fan (2051) by bolts.

6. The explosion-proof high-voltage variable frequency speed regulator according to claim 5, characterized in that: The upper end of the outer groove (201) is hollow to form a first threaded hole (206), the interior of the first threaded hole (206) is rotatably connected to a rotating bolt (207), the rear end of a gasket (208) is welded to one side of the lower end of the outer groove (201), the upper end of the gasket (208) is connected to a first rotating shaft (209) by bolts, and the interior of the first rotating shaft (209) is connected to a first hinge plate (210) by bolts.

7. The explosion-proof high-voltage variable frequency speed regulator according to claim 6, characterized in that: The front end of the second rotating shaft (301) in the hinge door (3) is movably connected to the rear end of the second hinge plate (302), and a second threaded hole (303) is welded on the inner side of the upper end of the second hinge plate (302).

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