CN215835317U - Frequency converter with fault protection device - Google Patents
Frequency converter with fault protection device Download PDFInfo
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- CN215835317U CN215835317U CN202122316480.0U CN202122316480U CN215835317U CN 215835317 U CN215835317 U CN 215835317U CN 202122316480 U CN202122316480 U CN 202122316480U CN 215835317 U CN215835317 U CN 215835317U
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- frequency converter
- cooling
- protection device
- chamber
- fault protection
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Abstract
The utility model provides a frequency converter with a fault protection device. The frequency converter with the fault protection device comprises: a protective box; the protection box is characterized in that an equipment chamber, a frequency converter chamber and a cooling chamber are sequentially separated from the inside of the protection box through a second partition plate and a first partition plate from right to left, a plurality of first cooling grooves are formed in the first partition plate, and a plurality of second cooling grooves are formed in the second partition plate; the fan is arranged on one side of the protective box. The frequency converter with the fault protection device provided by the utility model enters the frequency converter chamber and the equipment chamber for cooling through the cooling gas in the cooling chamber, and meanwhile, due to the sealed installation mode, the cooling gas is not influenced by the external temperature, the cooling effect can be kept for a long time, the traditional natural cooling mode is replaced, the frequency converter and the equipment can be effectively cooled, and the frequency converter can be effectively guaranteed when being overloaded.
Description
Technical Field
The utility model relates to the field of frequency converters, in particular to a frequency converter with a fault protection device.
Background
The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor.
Frequency converter overload is one of the more frequent faults of frequency converter tripping. The frequency converter is poor in overload capacity, overload alarming is easy to occur, overload of the frequency converter is caused by overhigh temperature rise of the motor, and therefore the frequency converter is provided with a fault protection device for cooling when in use.
However, most of the conventional fault protection devices for cooling are designed to ventilate and dissipate heat in a natural manner, and although the conventional fault protection devices can meet basic heat dissipation requirements, the conventional fault protection devices still cannot provide good heat dissipation protection when used in the face of short-term overload.
Therefore, it is necessary to provide a frequency converter with a fault protection device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a frequency converter with a fault protection device, which solves the problem of poor heat dissipation effect of the existing frequency converter.
In order to solve the above technical problem, the present invention provides a frequency converter with a fault protection device, comprising: a protective box;
the protection box is characterized in that an equipment chamber, a frequency converter chamber and a cooling chamber are sequentially separated from the inside of the protection box through a second partition plate and a first partition plate from right to left, a plurality of first cooling grooves are formed in the first partition plate, and a plurality of second cooling grooves are formed in the second partition plate;
the fan is arranged on one side of the protective box, and the output end of the fan is fixedly connected with an air outlet pipe;
the air suction pipeline is fixedly connected to the bottom of the inner wall of the frequency converter chamber, and a plurality of air suction holes are formed in the top of the air suction pipeline;
the cooling hole has been seted up at the top of protective housing opposite side, first cooling tank intercommunication cooling chamber and converter room, the second cooling tank intercommunication converter room and equipment room, it is a plurality of the inside intercommunication in hole and the converter room of induced drafting, the cooling hole is used for installing the connecting tube of cooling equipment.
Preferably, the inside fixedly connected with install bin of first baffle, a plurality of louvres have all been seted up to the both sides of install bin, the inside of install bin is seted up slottedly.
Preferably, the inside of install bin installs the converter, the converter is that the louvre is seted up in the converter of both sides type among the current device.
Preferably, the back surface of the protection box is fixedly connected with a back panel through screws.
Preferably, the front face of the protection box is fixedly connected with a front panel through a screw.
Preferably, the front surface of the front panel is provided with a connecting groove, and the connecting groove is arranged at a lower position of the front surface of the front panel.
Preferably, the inside of spread groove is installed the shutter through the coupling frame, one side of shutter is provided with the adjusting knob, the shutter is current device.
Compared with the related art, the frequency converter with the fault protection device provided by the utility model has the following beneficial effects:
the utility model provides a frequency converter with a fault protection device, wherein a cooling device is connected with a cooling hole through a pipeline, so that cooling gas of the cooling device enters the interior of a cooling chamber, then superheated gas in a frequency converter chamber and an equipment chamber is extracted through a fan, so that the air pressure in the frequency converter chamber and the air pressure in the equipment chamber are reduced, the cooling gas in the cooling chamber enters the frequency converter chamber and the equipment chamber to be cooled, meanwhile, the cooling gas is not influenced by external temperature due to a closed installation mode, the cooling effect can be kept for a long time, the traditional natural cooling mode is replaced, the frequency converter and the equipment can be effectively cooled, and the frequency converter can be effectively guaranteed when being overloaded.
Drawings
Fig. 1 is a schematic structural diagram of a frequency converter with a fault protection device according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the interior of the frequency converter protection device shown in FIG. 1;
FIG. 3 is a schematic structural diagram of the rear side of the frequency converter protection device shown in FIG. 1;
fig. 4 is a schematic structural diagram of a frequency converter with a fault protection device according to a second embodiment of the present invention.
Reference numbers in the figures: 1. positive panel, 2, fan, 3, protective housing, 4, play tuber pipe, 5, backplate, 6, equipment room, 7, converter room, 8, cooling chamber, 9, first cooling groove, 10, convulsions hole, 11, exhaust duct, 12, second cooling groove, 13, louvre, 14, converter, 15, install bin, 16, cooling hole, 17, shutter, 18, carriage, 19, spread groove, 20, adjusting button, 21, first baffle, 22, second baffle.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
First embodiment
Please refer to fig. 1, fig. 2, and fig. 3, wherein fig. 1 is a schematic structural diagram of a frequency converter with a fault protection device according to a first embodiment of the present invention; FIG. 2 is a schematic structural diagram of the interior of the frequency converter protection device shown in FIG. 1; fig. 3 is a schematic structural diagram of the back side of the frequency converter protection device shown in fig. 1. Frequency converter with fault protection device comprises: a protective box 3;
the interior of the protective box 3 is sequentially divided into an equipment chamber 6, a frequency converter chamber 7 and a cooling chamber 8 through a second partition plate 22 and a first partition plate 21 from right to left, a plurality of first cooling grooves 9 are formed in the first partition plate 21, and a plurality of second cooling grooves 12 are formed in the second partition plate 22;
the fan 2 is arranged on one side of the protective box 3, and an output end of the fan 2 is fixedly connected with an air outlet pipe 4;
the air suction pipeline 11 is fixedly connected to the bottom of the inner wall of the frequency converter chamber 7, and a plurality of air suction holes 10 are formed in the top of the air suction pipeline 11;
The mounting box 15 is fixedly connected to the inside of the first partition plate 21, a plurality of heat dissipation holes 13 are formed in both sides of the mounting box 15, a groove is formed in the mounting box 15, penetrates through the mounting box 15 and extends to the front face of the first partition plate 21, and is used for dismounting and mounting the frequency converter 14;
a frequency converter 14 is installed inside the installation box 15, and the frequency converter 14 is a type in which heat dissipation holes in the existing device are formed in two sides;
the back surface of the protective box 3 is fixedly connected with a back panel 5 through screws;
the front face of the protection box 3 is fixedly connected with a front panel 1 through a screw.
The working principle of the frequency converter with the fault protection device provided by the utility model is as follows:
when the frequency converter is installed, the frequency converter 14 is installed inside the installation box 15, and the front panel 1, the back panel 5 and the protection box 3 are fixedly connected through screws;
when converter 14 takes place to overload, the heat sink starts, the gaseous inside that gets into cooling chamber 8 of cooling, fan 2 starts simultaneously, through the inside overheated gas of a plurality of exhaust holes extraction converter room 7 of exhaust duct 11 and equipment room 6 for converter room 7 and the inside atmospheric pressure decline of equipment room 6, thereby make the inside cooling gas of cooling chamber 8, get into converter room 7 and the inside cooling of equipment room 6 through first cooling tank 9 and second cooling tank 12.
Compared with the related art, the frequency converter with the fault protection device provided by the utility model has the following beneficial effects:
be connected heat sink and cooling hole 16 through the pipeline, thereby make heat sink's the gaseous inside that gets into cooling chamber 8 of cooling, later extract the overheated gas of converter room 7 and equipment room 6 inside through fan 2, thereby make the inside atmospheric pressure of converter room 7 and equipment room 6 descend, thereby make the gaseous cooling of 8 inside entering converter rooms 7 and the inside cooling of equipment room 6 of cooling chamber, simultaneously because inclosed mounting means, make the cooling gas not influenced by ambient temperature, can keep the cooling effect of longer time, traditional natural cooling mode has been replaced, make converter 14 and equipment can obtain very effectual cooling, can obtain effectual guarantee when making converter 14 take place to overload.
Second embodiment
Referring to fig. 4, based on the frequency converter with the fault protection device provided in the first embodiment of the present application, a second embodiment of the present application provides another frequency converter with the fault protection device. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference between the frequency converter with the fault protection device provided in the second embodiment of the present application is that the front surface of the front panel 1 is provided with a connection groove 19, and the connection groove 19 is provided at a lower position of the front surface of the front panel 1.
Shutter 17 is installed through the connecting frame 18 in the inside of spread groove 19, one side of shutter 17 is provided with adjusting knob 20, shutter 17 is current device, can pass through the play of adjusting knob 20 control window leaf and close, and sealed effect is better after the closure.
Compared with the related art, the frequency converter with the fault protection device provided by the utility model has the following beneficial effects:
through the internally mounted shutter 17 at facade panel 1 to make when equipment operation is normal, can open shutter 17 through adjusting button 20, thereby adopt the mode of natural cooling to cool down, the required energy of effectual saving cooling saves the cost that converter 14 used.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A frequency converter with fault protection device, comprising: a protective box;
the protection box is characterized in that an equipment chamber, a frequency converter chamber and a cooling chamber are sequentially separated from the inside of the protection box through a second partition plate and a first partition plate from right to left, a plurality of first cooling grooves are formed in the first partition plate, and a plurality of second cooling grooves are formed in the second partition plate;
the fan is arranged on one side of the protective box, and the output end of the fan is fixedly connected with an air outlet pipe;
the air suction pipeline is fixedly connected to the bottom of the inner wall of the frequency converter chamber, and a plurality of air suction holes are formed in the top of the air suction pipeline;
and a cooling hole is formed in the top of the other side of the protection box.
2. The frequency converter with the fault protection device according to claim 1, wherein an installation box is fixedly connected to the inside of the first partition plate, and a plurality of heat dissipation holes are formed in both sides of the installation box.
3. Frequency converter with fault protection device according to claim 2, characterized in that the inside of the installation box is installed with a frequency converter.
4. The frequency converter with fault protection device of claim 1, wherein a back plate is fixedly connected to the back of said protection box by screws.
5. The frequency converter with fault protection device of claim 1, wherein a front panel is fixedly connected to the front face of the protection box by screws.
6. The frequency converter with fault protection device of claim 5, wherein the front face of said front panel is provided with a connection slot.
7. The frequency converter with the fault protection device according to claim 6, wherein a louver is installed inside the connection groove through a connection frame, and a regulating button is provided at one side of the louver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316480.0U CN215835317U (en) | 2021-09-24 | 2021-09-24 | Frequency converter with fault protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316480.0U CN215835317U (en) | 2021-09-24 | 2021-09-24 | Frequency converter with fault protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215835317U true CN215835317U (en) | 2022-02-15 |
Family
ID=80201190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122316480.0U Active CN215835317U (en) | 2021-09-24 | 2021-09-24 | Frequency converter with fault protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215835317U (en) |
-
2021
- 2021-09-24 CN CN202122316480.0U patent/CN215835317U/en active Active
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