CN215121578U - Insulating sealing device of frequency converter - Google Patents
Insulating sealing device of frequency converter Download PDFInfo
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- CN215121578U CN215121578U CN202121699494.9U CN202121699494U CN215121578U CN 215121578 U CN215121578 U CN 215121578U CN 202121699494 U CN202121699494 U CN 202121699494U CN 215121578 U CN215121578 U CN 215121578U
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- frequency converter
- shell
- plate
- mounting plate
- cover plate
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Abstract
The utility model relates to the technical field of frequency converters, in particular to an insulating and sealing device of a frequency converter, which comprises a shell, a mounting plate, a frequency converter, an electric leakage alarm, a fixed column, a radiating hole and a movable plate; a sliding rod is fixedly arranged in the shell, the mounting plate is arranged in the shell in a sliding manner, and the mounting plate is also provided with a leakage detector; the frequency converter is detachably arranged on the mounting plate; a cover plate is arranged on the mounting plate, and the electric leakage alarm is arranged on the cover plate; the fixed column is arranged in the shell, and an inclined plate is rotatably arranged on the fixed column; a spring is arranged in the shell, and the other end of the spring is fixedly connected with one end of the inclined plate; the louvre sets up on the casing, and the fly leaf slides and sets up in the louvre, sets up the dead lever on the fly leaf, and the inner wall sliding connection of dead lever and louvre sets up electro-magnet A on the end of dead lever, sets up electro-magnet B in the louvre, and electro-magnet A aligns with electro-magnet B. The utility model discloses can realize electric leakage automatic alarm to insulating sealed effectual.
Description
Technical Field
The utility model relates to a converter technical field especially relates to an insulating and sealing device of converter.
Background
The principle of a frequency converter is called VFD for short, and the VFD is an electric control device which applies the principles of frequency conversion technology and microelectronic technology and controls an alternating current motor by changing the frequency of a working power supply of the motor. The power supply used is divided into an alternating current power supply and a direct current power supply, and most of the general direct current power supplies are obtained by transforming the alternating current power supply through a transformer, rectifying and filtering.
In the process of actual installation, the frequency converter needs to ensure the insulation and the sealing performance, so that many manufacturers produce an insulating sealing shell matched with the frequency converter to ensure the safety of the frequency converter. However, when the frequency converter is coated inside the existing insulation sealing device, the frequency converter is easy to shake in the existing insulation sealing device, so that the frequency converter is collided with an insulation shell, the frequency converter is damaged, the existing insulation shell does not consider the heat dissipation problem required in the working process of the frequency converter, and the frequency converter in the existing insulation shell is troublesome to replace and maintain once damaged or failed.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides an insulating sealing device of converter can ensure the insulation and the sealing of converter effectively to the convenience is overhauld the converter and is changed, simultaneously the utility model discloses automatic radiating function has.
(II) technical scheme
The utility model provides an insulation sealing device of a frequency converter, which comprises a shell, a mounting plate, a frequency converter, an electric leakage alarm, a fixed column, a radiating hole and a movable plate;
slide bars are fixedly arranged in the shell, and the two slide bars are parallel to each other; the mounting plate is arranged in the shell in a sliding mode, a sliding block is arranged at the bottom of the mounting plate and is connected with the sliding rod in a sliding mode, and a leakage detector is further arranged on the mounting plate; the frequency converter is detachably arranged on the mounting plate, and the outer wall of the frequency converter is contacted with the electric leakage detector; a cover plate is arranged on the mounting plate and is in sealing butt joint with the shell; the electric leakage alarm is arranged on the cover plate and is electrically connected with the electric leakage detector;
the fixed column is arranged in the shell, an inclined plate is rotatably arranged on the fixed column, and the plane of the inclined plate is in contact with the surface of the frequency converter; a spring is arranged in the shell, and the other end of the spring is fixedly connected with one end of the inclined plate;
the louvre sets up on the casing, and the fly leaf slides and sets up in the louvre, sets up the dead lever on the fly leaf, and the inner wall sliding connection of dead lever and louvre sets up electro-magnet A on the end of dead lever, sets up electro-magnet B in the louvre, and electro-magnet A aligns with electro-magnet B.
Preferably, a sealing groove is formed in one side, close to the cover plate, of the shell, a sealing ring is arranged on one side, close to the shell, of the cover plate, and the sealing ring is in sealing fit with the sealing groove.
Preferably, the device further comprises a bolt; one side of the shell, which is close to the cover plate, is provided with a threaded hole, and the threaded end of the bolt penetrates through the cover plate and is spirally inserted into the threaded hole.
Preferably, an elastic pad is fixedly arranged on the plane end of the inclined plate, and the other surface of the elastic pad is in flexible contact with the shell of the frequency converter.
Preferably, the shell is internally provided with a controller and a temperature sensor, the detection end of the temperature sensor is positioned in the shell, the temperature sensor is in communication connection with the controller, and the controller is in control connection with the electromagnet B.
Preferably, a radiator is arranged in the radiating hole, the radiator blows towards the outer side of the shell, and the controller controls and is connected with the radiator.
Preferably, the shell is further provided with a kidney-shaped mounting hole.
The above technical scheme of the utility model has following profitable technological effect:
through the arrangement of the matching structure of the sliding rod and the sliding block, after the cover plate is disassembled, the frequency converter is drawn out together with the mounting plate, and the frequency converter cannot slip and fall on the ground in the drawing process; the frequency converter can give an alarm in time when the electric leakage condition occurs by arranging the electric leakage alarm; by arranging the matching structure of the radiator and the movable plate, when the frequency converter works to generate high temperature, the movable plate is automatically opened, and meanwhile, the radiator is automatically started to radiate heat; the stretching of the movable plate is electrically controlled by arranging a matching structure of the electromagnet A and the electromagnet B and utilizing the principle that like poles of magnets attract each other and opposite poles repel each other; and the utility model discloses structural stability is high, and the dismantlement and the maintenance of converter are all very convenient.
Drawings
Fig. 1 is a schematic structural diagram of an insulation sealing device of a frequency converter according to the present invention.
Fig. 2 is an effect diagram of the utility model after the cover plate is opened in the insulating and sealing device of the frequency converter.
Reference numerals: 1. a housing; 2. a slide bar; 3. mounting a plate; 4. a slider; 5. a cover plate; 6. an electric leakage detector; 7. a frequency converter; 8. an electric leakage alarm; 9. a bolt; 10. a threaded hole; 11. fixing a column; 12. a sloping plate; 13. an elastic pad; 14. a spring; 15. heat dissipation holes; 16. a heat sink; 17. a movable plate; 18. fixing the rod; 19. an electromagnet A; 20. and an electromagnet B.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the utility model provides an insulating sealing device of a frequency converter, which comprises a casing 1, a mounting plate 3, a frequency converter 7, an electric leakage alarm 8, a fixed column 11, a heat dissipation hole 15 and a movable plate 17;
a sliding rod 2 is fixedly arranged in the shell 1, and the two sliding rods 2 are parallel to each other; the mounting plate 3 is arranged inside the shell 1 in a sliding mode, a sliding block 4 is arranged at the bottom of the mounting plate 3, the sliding block 4 is connected with the sliding rod 2 in a sliding mode, and a leakage detector 6 is further arranged on the mounting plate 3; the frequency converter 7 is detachably arranged on the mounting plate 3, and the outer wall of the frequency converter 7 is in contact with the electric leakage detector 6; a cover plate 5 is arranged on the mounting plate 3, and the cover plate 5 is in sealing butt joint with the shell 1; the electric leakage alarm 8 is arranged on the cover plate 5, and the electric leakage alarm 8 is electrically connected with the electric leakage detector 6;
the fixed column 11 is arranged in the shell 1, the inclined plate 12 is rotatably arranged on the fixed column 11, and the plane of the inclined plate 12 is in contact with the surface of the frequency converter 7; a spring 14 is arranged in the shell 1, and the other end of the spring 14 is fixedly connected with one end of the inclined plate 12;
the heat dissipation hole 15 is arranged on the housing 1, the movable plate 17 is slidably arranged in the heat dissipation hole 15, the movable plate 17 is provided with a fixed rod 18, the fixed rod 18 is slidably connected with the inner wall of the heat dissipation hole 15, the end of the fixed rod 18 is provided with an electromagnet A19, an electromagnet B20 is arranged in the heat dissipation hole 15, and the electromagnet A19 is aligned with the electromagnet B20.
In an alternative embodiment, a sealing groove is formed on one side of the casing 1 close to the cover plate 5, and a sealing ring is formed on one side of the cover plate 5 close to the casing 1, and the sealing ring is in sealing fit with the sealing groove.
In an alternative embodiment, a bolt 9 is further included; one side of the shell 1 close to the cover plate 5 is provided with a threaded hole 10, and a threaded end of the bolt 9 penetrates through the cover plate 5 and is inserted into the threaded hole in a threaded mode.
In an alternative embodiment, an elastic pad 13 is fixedly arranged on the plane end of the inclined plate 12, and the other side of the elastic pad 13 is in flexible contact with the shell of the frequency converter 7; through setting up the cushion 13, can avoid swash plate 12 and the shell rigid contact of converter 7 on the one hand, on the other hand can also be suitable utilize elastic material's deformation to fill the clearance between swash plate 12 and the converter 7, increase the sealed effect of equipment.
In an alternative embodiment, a controller and a temperature sensor are further arranged in the shell 1, a detection end of the temperature sensor is positioned in the shell 1, the temperature sensor is in communication connection with the controller, and the controller is in control connection with the electromagnet B20.
In an alternative embodiment, a heat sink is arranged in the heat dissipation hole 15, the heat sink blows towards the outer side of the housing 1, and the controller controls the connection of the heat sink.
In an alternative embodiment, the housing 1 is further provided with a kidney-shaped mounting hole.
In the utility model, the frequency converter 7 is fixedly arranged on the mounting plate 3, the side plate of the frequency converter 7 is contacted with the leakage detector 6, the cover plate 5 is pushed to make the fixing plate 3 slide into the shell 1 along the slide bar 2, the cover plate 5 is in sealing fit with the shell 1, and the cover plate 5 is fixed with the shell 1 by the bolt 9;
when the mounting plate 3 is pushed in, the upper surface of the frequency converter 7 is contacted with the elastic pad 13 on the inclined plate 12, the inclined plate 12 is gradually horizontal along with the pushing in of the frequency converter, and the elastic pad 13 is elastically contacted with the shell of the frequency converter 7 at the moment, so that the frequency converter is effectively prevented from shaking; when the frequency converter works to generate high temperature, the electromagnet B20 is electrified with current with the same polarity as the electromagnet A19, the electromagnet A19 and the electromagnet B20 repel each other, the movable plate 17 automatically extends out, and the radiator 16 is started at the same time.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. An insulation sealing device of a frequency converter is characterized by comprising a shell (1), a mounting plate (3), a frequency converter (7), an electric leakage alarm (8), a fixed column (11), a heat dissipation hole (15) and a movable plate (17);
the shell (1) is internally and fixedly provided with the slide bars (2), and the two slide bars (2) are parallel to each other; the mounting plate (3) is arranged inside the shell (1) in a sliding mode, a sliding block (4) is arranged at the bottom of the mounting plate (3), the sliding block (4) is connected with the sliding rod (2) in a sliding mode, and a leakage detector (6) is further arranged on the mounting plate (3); the frequency converter (7) is detachably arranged on the mounting plate (3), and the outer wall of the frequency converter (7) is contacted with the electric leakage detector (6); a cover plate (5) is arranged on the mounting plate (3), and the cover plate (5) is in sealing butt joint with the shell (1); the electric leakage alarm (8) is arranged on the cover plate (5), and the electric leakage alarm (8) is electrically connected with the electric leakage detector (6);
the fixed column (11) is arranged in the shell (1), the fixed column (11) is rotatably provided with an inclined plate (12), and the plane of the inclined plate (12) is in contact with the surface of the frequency converter (7); a spring (14) is arranged in the shell (1), and the other end of the spring (14) is fixedly connected with one end of the inclined plate (12);
the heat dissipation hole (15) is formed in the shell (1), the movable plate (17) is arranged in the heat dissipation hole (15) in a sliding mode, the movable plate (17) is provided with a fixing rod (18), the fixing rod (18) is connected with the inner wall of the heat dissipation hole (15) in a sliding mode, the end of the fixing rod (18) is provided with an electromagnet A (19), an electromagnet B (20) is arranged in the heat dissipation hole (15), and the electromagnet A (19) is aligned with the electromagnet B (20).
2. The insulation sealing device of the frequency converter according to claim 1, wherein a sealing groove is formed on one side of the casing (1) close to the cover plate (5), and a sealing ring is formed on one side of the cover plate (5) close to the casing (1), and the sealing ring is in sealing fit with the sealing groove.
3. An insulating and sealing arrangement of a frequency converter according to claim 1, characterized in that it further comprises a bolt (9); one side of the shell (1) close to the cover plate (5) is provided with a threaded hole (10), and the threaded end of the bolt (9) penetrates through the cover plate (5) and is inserted into the threaded hole in a spiral mode.
4. An insulating and sealing device of a frequency converter according to claim 1, characterized in that an elastic pad (13) is fixedly arranged on the plane end of the sloping plate (12), and the other side of the elastic pad (13) is flexibly contacted with the shell of the frequency converter (7).
5. The insulation sealing device of the frequency converter is characterized in that a controller and a temperature sensor are further arranged in the shell (1), the detection end of the temperature sensor is located in the shell (1), the temperature sensor is in communication connection with the controller, and the controller is in control connection with the electromagnet B (20).
6. The insulation sealing device of the frequency converter according to claim 1 or 5, wherein a heat sink is arranged in the heat dissipation hole (15), the heat sink blows to the outer side of the housing (1), and the controller controls the connection of the heat sink.
7. The insulation sealing device of the frequency converter according to claim 1, wherein the housing (1) is further provided with a kidney-shaped mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121699494.9U CN215121578U (en) | 2021-07-23 | 2021-07-23 | Insulating sealing device of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121699494.9U CN215121578U (en) | 2021-07-23 | 2021-07-23 | Insulating sealing device of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215121578U true CN215121578U (en) | 2021-12-10 |
Family
ID=79318785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121699494.9U Active CN215121578U (en) | 2021-07-23 | 2021-07-23 | Insulating sealing device of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215121578U (en) |
-
2021
- 2021-07-23 CN CN202121699494.9U patent/CN215121578U/en active Active
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