CN219227412U - Low-voltage frequency converter - Google Patents
Low-voltage frequency converter Download PDFInfo
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- CN219227412U CN219227412U CN202320033648.3U CN202320033648U CN219227412U CN 219227412 U CN219227412 U CN 219227412U CN 202320033648 U CN202320033648 U CN 202320033648U CN 219227412 U CN219227412 U CN 219227412U
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- fixedly connected
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Abstract
The utility model discloses a low-voltage frequency converter, which comprises a transformer main body, wherein limit blocks are fixedly connected to four corners of the top end of the transformer main body, limit rods are fixedly connected between the limit blocks, two sides of each limit rod are in sliding fit with a rotating block, one side of each rotating block is rotatably connected with a supporting rod, one end of each supporting rod is rotatably connected with a rotating shaft, and the outer side of each rotating shaft is fixedly connected with a protecting plate; an opening is formed in one side of the transformer main body, a filter screen is arranged in the opening, and bolts are connected between one side of the filter screen and the transformer main body in a threaded mode at four corners. Through the structure, the protection plate plays a role in protecting the transformer main body, when the weight is pressed down, the support rod rotates and expands, the buffer spring elastically abuts against the support rod, the buffer spring elastically presses back, and then the connecting rod is pressed down, and the damping inside the buffer spring is used for damping and buffering, so that the vibration frequency is reduced.
Description
Technical Field
The utility model relates to the technical field of low-voltage frequency converters, in particular to a low-voltage frequency converter.
Background
The low-voltage frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device, is widely applied to occasions needing speed change of an alternating current motor, such as fans, water pumps, cranes and the like in various industries, and can play roles of smooth speed change, automatic control and energy conservation.
The low-voltage frequency converter mainly comprises a rectifying circuit, an intermediate circuit and an inverter circuit, and because the power devices in the circuits generate larger heat in the working process, the traditional power devices are subjected to passive circulation by adopting a heat dissipation net, the internal heat cannot be actively discharged, so that the heat dissipation effect is poor, meanwhile, the frequency converter is mostly outdoors when in use, and in the outdoor weather, rain and snow weather can be met, when the weight is pressed down, the frequency converter needs to be protected, the traditional mode adopts a shell for protection, the shell does not have buffer protection, and the service life is reduced.
Disclosure of Invention
The utility model aims to provide a low-voltage frequency converter, which is characterized in that the buffer spring is elastically pressed back through elastic interference of the buffer spring, then a connecting rod is pressed down, and the damping inside the buffer spring is used for damping, so that the vibration frequency is reduced.
To achieve the above object, there is provided a low voltage inverter comprising: the transformer comprises a transformer main body, wherein limit blocks are fixedly connected to four corners of the top end of the transformer main body, limit rods are fixedly connected between the limit blocks, two sides of each limit rod are slidably matched with rotating blocks, one side of each rotating block is rotatably connected with a supporting rod, one end of each supporting rod is rotatably connected with a rotating shaft, and the outer side of each rotating shaft is fixedly connected with a protecting plate;
the transformer is characterized in that an opening is formed in one side of the transformer body, a filter screen is arranged in the opening, bolts are connected between one side of the filter screen and the transformer body in a threaded mode at four corners, and a fan is fixedly connected to one side bottom end of the transformer body.
According to the low-voltage frequency converter, sliding blocks are fixedly connected to two sides of the bottom end of the transformer main body, and moisture-proof layers are in sliding fit between the sliding blocks.
According to the low-voltage frequency converter, a damping spring is fixedly connected to the inside of the limiting block, and a connecting rod is fixedly connected between the damping spring and the protection plate.
According to the low-voltage frequency converter, a temperature sensor is fixedly connected to one side of the inner top end of the transformer main body.
According to the low-voltage frequency converter, the front side of the transformer main body is hinged with a box door.
According to the low-voltage frequency converter, a filter element is arranged inside the input end of the fan.
According to the low-voltage frequency converter, a buffer spring is abutted between the rotating block and the limiting block.
The beneficial effects are that:
1. the transformer is provided with the protection plate, the support rod, the buffer spring and the damping spring, the protection plate is used for protecting the transformer body, when the weight is pressed down, the support rod rotates to expand, the buffer spring elastically pushes back the buffer spring through elastic interference of the buffer spring, then the connecting rod is pressed down, and the damping inside the damping spring is used for damping, buffering and reducing the vibration frequency, so that the transformer is convenient for resetting operation.
2. The utility model is provided with the fan, the transformer main body and the filter screen, the fan is started, the air is sucked into the input end of the fan and is discharged into the transformer main body through the output end, then the air in the transformer main body flows, and then the air is discharged through the filter screen, and meanwhile, when dust appears in the transformer, the fan blows the air and the dust, and the air and the dust are blown to the inside of the filter screen, so that the heat discharge and dust cleaning and collecting operations are effectively realized through the structure.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a cross-sectional elevation view of a low voltage inverter of the present utility model;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a front view of a low voltage inverter according to the present utility model;
fig. 4 is a schematic perspective view of a low-voltage inverter according to the present utility model.
Legend description:
1. a transformer body; 2. a filter screen; 3. a bolt; 4. a temperature sensor; 5. a support rod; 6. a protective plate; 7. a rotating shaft; 8. a blower; 9. a moisture barrier; 10. a slide block; 11. a connecting rod; 12. a damping spring; 13. a buffer spring; 14. a limit rod; 15. a rotating block; 16. an opening; 17. a door; 18. and a limiting block.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, a low voltage inverter according to an embodiment of the present utility model includes: the transformer comprises a transformer main body 1, limiting blocks 18 are fixedly connected to four corners of the top end of the transformer main body 1, limiting supporting and connecting functions are carried out through the limiting blocks 18, limiting rods 14 are fixedly connected between the limiting blocks 18, rotating blocks 15 are slidably matched on two sides of each limiting rod 14, the rotating blocks 15 are convenient to rotate and slide, each rotating block 15 is of a sliding block structure, a rotating shaft is arranged on one side of each sliding block, buffer springs 13 are abutted against the corresponding rotating blocks 15 and the limiting blocks 18, the buffer springs 13 are elastically abutted against each other through the corresponding buffer springs 13, the buffer springs 13 are elastically pressed back, supporting rods 5 are rotatably connected to one side of each rotating block 15, the protecting plates 6 play a role in protecting the transformer main body 1, the supporting rods 5 rotate and expand when weight is pressed down, rotating shafts 7 are fixedly connected to the corresponding protecting plates 6, the protecting plates 6 protect the transformer main body 1, damping springs 12 are fixedly connected to the inside of the limiting blocks 18, the connecting rods 11 are pressed down, the damping springs 12 are used for damping and buffering and reducing vibration frequency, and the connecting rods 11 are fixedly connected between the damping springs 12 and the protecting plates 6;
an opening 16 is formed in one side of the transformer main body 1, a filter screen 2 is arranged in the opening 16, air flows through the inside of the transformer main body 1, air flows through the filter screen 2 and is then discharged, when dust appears in the transformer, the dust is blown through a fan 8, hot air and dust are blown towards the inside of the filter screen 2, bolts 3 are connected between one side of the filter screen 2 and the transformer main body 1 in four corners in a threaded mode, a fan 8 is fixedly connected with one side bottom of the transformer main body 1, the fan 8 is started when the temperature is too high, air is sucked into an input end of the transformer main body 1, the air is discharged to the inside of the transformer main body 1 through an output end, a filter element is arranged in the input end of the fan 8, sliding blocks 10 are fixedly connected to two sides of the bottom end of the transformer main body 1, a moisture-proof layer 9 is arranged between the sliding blocks 10, the moisture-proof layer 9 is made of water-absorbing sponge materials, a temperature sensor 4 is fixedly connected to one side of the top of the inside of the transformer main body 1, the inside of the transformer main body 1 is provided with the temperature sensor 4, the temperature sensor 4 is detected through the temperature sensor 4, and a box door 17 is hinged to the front side of the transformer main body 1.
Working principle: when the transformer is used, the protection plate 6 is used for protecting the transformer main body 1, when the weight is pressed down, the supporting rod 5 rotates and expands, the buffer spring 13 elastically pushes back through the elastic interference of the buffer spring 13, and then the connecting rod 11 is pressed down, and the buffer spring 12 is used for damping and buffering to reduce the vibration frequency, so that the resetting operation is facilitated; the inside at transformer main part 1 is provided with temperature sensor 4, carries out inside temperature detection through temperature sensor 4, and fan 8 starts when the temperature is too high, makes its input inhale the air to discharge to the inside of transformer main part 1 through the output, later through the inside gas circulation of transformer main part 1, later discharge through filter screen 2, when the inside dust that appears of transformer simultaneously, blows through fan 8, blows heat gas and dust to filter screen 2's inside all.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. A low voltage inverter comprising: the transformer comprises a transformer main body (1), limiting blocks (18) are fixedly connected to four corners of the top end of the transformer main body (1), limiting rods (14) are fixedly connected between the limiting blocks (18), rotating blocks (15) are slidably matched with two sides of each limiting rod (14), a supporting rod (5) is rotatably connected to one side of each rotating block (15), a rotating shaft (7) is rotatably connected to one end of each supporting rod (5), and a protecting plate (6) is fixedly connected to the outer side of each rotating shaft (7);
an opening (16) is formed in one side of the transformer main body (1), a filter screen (2) is arranged in the opening (16), bolts (3) are connected between one side of the filter screen (2) and the transformer main body (1) in a threaded mode at four corners, and a fan (8) is fixedly connected to one side bottom end of the transformer main body (1).
2. The low-voltage frequency converter according to claim 1, wherein two sides of the bottom end of the transformer main body (1) are fixedly connected with sliding blocks (10), and a moisture-proof layer (9) is slidably matched between the sliding blocks (10).
3. A low voltage frequency converter according to claim 1, characterized in that the inside of the limiting block (18) is fixedly connected with a damping spring (12), and a connecting rod (11) is fixedly connected between the damping spring (12) and the protection plate (6).
4. The low-voltage frequency converter according to claim 1, wherein a temperature sensor (4) is fixedly connected to one side of the inner top end of the transformer body (1).
5. A low voltage frequency converter according to claim 1, characterized in that the front side of the transformer body (1) is hinged with a door (17).
6. A low-voltage frequency converter according to claim 1, characterized in that the input end of the fan (8) is internally provided with a filter element.
7. A low voltage frequency converter according to claim 1, characterized in that a buffer spring (13) is in interference between the rotating block (15) and the limiting block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320033648.3U CN219227412U (en) | 2023-01-06 | 2023-01-06 | Low-voltage frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320033648.3U CN219227412U (en) | 2023-01-06 | 2023-01-06 | Low-voltage frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219227412U true CN219227412U (en) | 2023-06-20 |
Family
ID=86739102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320033648.3U Active CN219227412U (en) | 2023-01-06 | 2023-01-06 | Low-voltage frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219227412U (en) |
-
2023
- 2023-01-06 CN CN202320033648.3U patent/CN219227412U/en active Active
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