CN103457441A - Cabinet type frequency converter - Google Patents
Cabinet type frequency converter Download PDFInfo
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- CN103457441A CN103457441A CN 201310374985 CN201310374985A CN103457441A CN 103457441 A CN103457441 A CN 103457441A CN 201310374985 CN201310374985 CN 201310374985 CN 201310374985 A CN201310374985 A CN 201310374985A CN 103457441 A CN103457441 A CN 103457441A
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- frequency converter
- top cover
- converter cabinet
- cabinet
- air inlet
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Abstract
The invention discloses a cabinet type frequency converter. The cabinet type frequency converter comprises a frequency converter cabinet body and a power unit which is arranged inside the frequency converter cabinet body, wherein at least one air inlet is formed in the lower portion of the frequency converter cabinet body, at least one draught fan unit is arranged on the top of the frequency converter cabinet body, two bilaterally symmetrical stretchy rods are arranged on the top of the frequency converter cabinet body, a top cover is arranged at the top ends of the two stretchy rods, the draught fan unit is located between the top cover and the two stretchy rods, and a side edge cover is arranged on the outer side of the air inlet. The cabinet type frequency converter has the advantages that the structure is simple and reasonable, a good rainproof function is achieved, and requirements of industrial production are fully met. The cabinet type frequency converter is suitable for being used out of doors.
Description
Technical field
The present invention relates to the converter technology field, particularly relate to a kind of case frequency converter.
Background technology
Frequency converter is application converter technique and microelectric technique, controls the electric control appliance of alternating current motor by changing machine operation supply frequency mode.
Case frequency converter is generally all the middle high-pressure big-power transducer, at special occasions such as oil field, mining sites, sometimes may need the outdoor use of frequency converter, and existing case frequency converter is not suitable in situation, using in the open, need to improve.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of case frequency converter, simple and reasonable, has the function of keeping off the rain preferably, is adapted at using in outdoor situation, fully meets industrial demand.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of case frequency converter is provided, comprise: frequency converter cabinet and the power cell that is arranged on described frequency converter cabinet inside, the bottom of described frequency converter cabinet is provided with at least one air inlet, the top of described frequency converter cabinet is provided with at least one fan unit, the top of described frequency converter cabinet is provided with symmetrical two expansion links, the top of two expansion links is provided with top cover, described fan unit is between top cover and two expansion links, the arranged outside of described air inlet has the side lid.
In a preferred embodiment of the present invention, described fan unit comprises the shell of a cuboid and is arranged on the blower fan of described enclosure, the bottom surface of described shell is communicated with the end face of frequency converter cabinet, is provided with air outlet above having one at least on four sides of described shell.
In a preferred embodiment of the present invention, described expansion link drives top cover and moves up and down the formation spikes/low-points;
During high point, the next week of top cover is along being positioned at above 3 ~ 5 centimeters of outer casing top surface;
During low spot, the next week of top cover is along being positioned at following 10 ~ 15 centimeters of frequency converter cabinet end face.
In a preferred embodiment of the present invention, described top cover comprises open circles taper top and pull-down section.
In a preferred embodiment of the present invention, the top of described side lid is movably connected on described frequency converter cabinet, and the angle between described side lid and horizontal plane can be regulated between 0 ° ~ 60 °.
In a preferred embodiment of the present invention, described air inlet place is provided with grid.
In a preferred embodiment of the present invention, described air outlet place is provided with grid.
The invention has the beneficial effects as follows: case frequency converter of the present invention, simple and reasonable, there is the function of keeping off the rain preferably, be adapted at using in outdoor situation, fully meet industrial demand.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of the top cover of case frequency converter of the present invention while being positioned at high point;
Fig. 2 is the structural representation of the top cover of case frequency converter of the present invention while being positioned at low spot.
In accompanying drawing, the mark of each parts is as follows: 1, frequency converter cabinet, 2, power cell, 3, air inlet, 4, expansion link, 5, top cover, 51, open circles taper top, 52, pull-down section, 6, the side lid, 7, shell, 8, blower fan, 9, air outlet, 10, grid.
Embodiment
Below will the technical scheme in the embodiment of the present invention be clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under the creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the embodiment of the present invention comprises:
A kind of case frequency converter, comprise: frequency converter cabinet 1 and the power cell 2 that is arranged on described frequency converter cabinet 1 inside, the bottom of described frequency converter cabinet 1 is provided with at least one air inlet 3, the top of described frequency converter cabinet 1 is provided with at least one fan unit, the top of described frequency converter cabinet 1 is provided with symmetrical two expansion links 4, the top of two expansion links 4 is provided with top cover 5, described fan unit is between top cover 5 and two expansion links 4, described top cover 5 can raise by expansion link 4 at fine day, make fully air-out of fan unit, on rainy day, can reduce by expansion link 4, guarantee that rainwater does not enter the inside of frequency converter cabinet 1 from fan unit.
The arranged outside of described air inlet 3 has side lid 6, and described side lid 6 is used for stopping that rainwater enters the inside of frequency converter cabinet 1 from air inlet 3.
Described fan unit comprises the shell 7 of a cuboid and is arranged on the blower fan 8 of described shell 7 inside, the bottom surface of described shell 7 is communicated with the end face of frequency converter cabinet 1, be provided with air outlet 9 above having one at least on four sides of described shell 7, extraneous cold air enters frequency converter cabinet 1 inside from air inlet 3, after carrying out heat exchange with power cell, hot-air is discharged from air outlet 9.
Described expansion link 4 drives top cover 5 and moves up and down the formation spikes/low-points; As shown in Figure 1, during high point, along above 3 ~ 5 centimeters of the end face that is positioned at shell 7, make fully air draft of air outlet 9 next week of top cover 5; As shown in Figure 2, during low spot, the next week of top cover 5 is along following 10 ~ 15 centimeters of the end face that is positioned at frequency converter cabinet 1, that is to say that the next week of top cover 5 is along extending downward the position of the side of frequency converter cabinet 1, but the next week of top cover 5 along and the side of frequency converter cabinet 1 between there is certain distance, be convenient to hot blast and discharge.
Preferably, described top cover 5 comprises open circles taper top 51 and pull-down section 52, and such structure setting, when top cover 5 is positioned at low spot, can guarantee that rainwater can not enter into from air outlet 9 inside of frequency converter cabinet 1.
The top of described side lid 6 is movably connected on described frequency converter cabinet 1, and the angle between described side lid 6 and horizontal plane can be regulated between 0 ° ~ 60 °, is adjusted to 0 ° during fine day, guarantees abundant air intake; Be adjusted to certain angle during the rainy day, maximum 60 °, can stop rainwater, again can be so that air inlet 3 has certain intake; The area of side lid 6 is more than or equal to 2 times of air-admitting surface, and in addition, when the angle between side lid 6 and horizontal plane is 60 °, the residing height in bottom of side lid 6 is lower than the residing height in air inlet bottom.
Described air outlet 9 places are provided with grid 10, prevent that external impurities from entering into the inside of frequency converter cabinet 1 from air outlet 9; Same, described air inlet 3 places also can arrange grid, prevent that external impurities from entering into the inside of frequency converter cabinet 1 from air inlet 3, and the replacements such as net that also can interweave with metal of the grid here, be not limited to these two kinds.
Case frequency converter of the present invention, simple and reasonable, there is the function of keeping off the rain preferably, be adapted at using in outdoor situation, fully meet industrial demand.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in scope of patent protection of the present invention.
Claims (7)
1. a case frequency converter, it is characterized in that, comprise: frequency converter cabinet and the power cell that is arranged on described frequency converter cabinet inside, the bottom of described frequency converter cabinet is provided with at least one air inlet, the top of described frequency converter cabinet is provided with at least one fan unit, the top of described frequency converter cabinet is provided with symmetrical two expansion links, the top of two expansion links is provided with top cover, described fan unit is between top cover and two expansion links, and the arranged outside of described air inlet has the side lid.
2. case frequency converter according to claim 1, it is characterized in that, described fan unit comprises the shell of a cuboid and is arranged on the blower fan of described enclosure, the bottom surface of described shell is communicated with the end face of frequency converter cabinet, is provided with air outlet above having one at least on four sides of described shell.
3. case frequency converter according to claim 2, is characterized in that, described expansion link drives top cover and moves up and down the formation spikes/low-points;
During high point, the next week of top cover is along being positioned at above 3 ~ 5 centimeters of outer casing top surface;
During low spot, the next week of top cover is along being positioned at following 10 ~ 15 centimeters of frequency converter cabinet end face.
4. case frequency converter according to claim 1, is characterized in that, described top cover comprises open circles taper top and pull-down section.
5. case frequency converter according to claim 1, is characterized in that, the top of described side lid is movably connected on described frequency converter cabinet, and the angle between described side lid and horizontal plane can be regulated between 0 ° ~ 60 °.
6. case frequency converter according to claim 1, is characterized in that, described air inlet place is provided with grid.
7. case frequency converter according to claim 1, is characterized in that, described air outlet place is provided with grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310374985 CN103457441A (en) | 2013-08-26 | 2013-08-26 | Cabinet type frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310374985 CN103457441A (en) | 2013-08-26 | 2013-08-26 | Cabinet type frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103457441A true CN103457441A (en) | 2013-12-18 |
Family
ID=49739513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310374985 Pending CN103457441A (en) | 2013-08-26 | 2013-08-26 | Cabinet type frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103457441A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578709A (en) * | 2014-12-04 | 2015-04-29 | 重庆科川电气有限公司 | Frequency converter with dust removal and water prevention functions |
| CN113645786A (en) * | 2021-08-10 | 2021-11-12 | 上海顺诠科技有限公司 | Intelligent network card shell |
-
2013
- 2013-08-26 CN CN 201310374985 patent/CN103457441A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578709A (en) * | 2014-12-04 | 2015-04-29 | 重庆科川电气有限公司 | Frequency converter with dust removal and water prevention functions |
| CN113645786A (en) * | 2021-08-10 | 2021-11-12 | 上海顺诠科技有限公司 | Intelligent network card shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |
|
| WD01 | Invention patent application deemed withdrawn after publication |