CN104917355A - Circulating heat radiation method of high-voltage frequency converter - Google Patents
Circulating heat radiation method of high-voltage frequency converter Download PDFInfo
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- CN104917355A CN104917355A CN201510281404.7A CN201510281404A CN104917355A CN 104917355 A CN104917355 A CN 104917355A CN 201510281404 A CN201510281404 A CN 201510281404A CN 104917355 A CN104917355 A CN 104917355A
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- frequency conversion
- high voltage
- voltage converter
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- conversion room
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000005855 radiation Effects 0.000 title abstract 4
- 238000001816 cooling Methods 0.000 claims abstract description 66
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000009413 insulation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000000191 radiation effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a circulating heat radiation method of a high-voltage frequency converter. All devices of the high-frequency converter are mounted in a box-shaped frequency conversion chamber, heat generated during work of the high-frequency converter is led out in the air exhausting form, air is cooled outside the frequency conversion chamber and then sent into the frequency conversion chamber to carry out cooling, and thus, circulating heat radiation is formed. The circulating heat radiation method is good in heat radiation effect, high in environmental adaptability and low in operation cost.
Description
Technical field
The present invention is mainly concerned with electrical equipment, is specifically related to a kind of circulation cooling method of high voltage converter.
Background technology
At present, variable-frequency control technique is increasingly mature, and high voltage converter is especially because significant electricity saving performance is widely used.High voltage converter is made up of switch, transformer, power cell, heat abstractor and control section usually, and existing high voltage converter exists following technical problem:
(1) radiating effect is poor, and ambient adaptability is poor; The heat abstractor of conventional high-tension frequency converter adopts air duct type air cooling outer circulation location mode, dust is many, filter screen easily blocks Transducer Room purity requirements higher, be not suitable for the more factory of dust or area, if adopt air-conditioning to carry out the method for auxiliary heat dissipation, then considerably increase investment and maintenance cost, and air-conditioning also must on the mounting object of high voltage converter on drive air port into, cause being applicable to the environment of high filthy and dust.
(2) investment is comparatively large, floor space is large; Because high voltage converter building block is more, therefore traditional shortcoming that high voltage converter existence dish cabinet is many, area occupied is large, special factory building must be adopted as high-pressure frequency-conversion room, this just makes the use of high voltage converter by spatial limitation, is not suitable for hall space narrow and small or cannot build the situation of Transducer Room.In addition, conventional high-tension frequency converter is not easily moved after mounting, and migration cost is larger.
(3) cost of investment is high; When building conventional high-tension Transducer Room, need lay high-low pressure cable in cable trough, each assembly of high voltage converter all will be installed after high-pressure frequency-conversion room is built up, and is equipped with fire-fighting, illumination, cooling system, therefore the workload of civil Engineering Design and construction is large, the time is long, cost of investment is high.
Summary of the invention
Technical problem solved by the invention is: for prior art Problems existing, provides the circulation cooling method of a kind of high voltage converter that a kind of good heat dissipation effect, ambient adaptability are strong, operating cost is low.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of circulation cooling method of high voltage converter, all devices of high voltage converter are installed in the frequency conversion room of a casing shape, the heat produced during high voltage converter work is derived with exhausting form, again sends in frequency conversion room and carry out cooling formation circulation cooling after frequency conversion room outside cools.
As a further improvement on the present invention, suction opeing is positioned at the top of frequency conversion room, and air inlet is positioned at the bottom of frequency conversion room, and the wind direction of cooling air is from the bottom to top.
As a further improvement on the present invention, the mode of gas-cooled mode and/or cooling by water is adopted when air-flow cooling is carried out in frequency conversion room outside.
As a further improvement on the present invention, in frequency conversion room, be separated out devices function district and operating space, air inlet be located at the bottom in devices function district.
As a further improvement on the present invention, the air inlet be positioned at bottom devices function district adopts multiple air intake mesh to carry out the mode of blowing.
As a further improvement on the present invention, at devices function district installation high-voltage frequency converter, in operating space, control cubicle and bypass cabinet are installed.
As a further improvement on the present invention, when adopting cooling by water mode, an air-water cooling device is set outside frequency conversion room the hot blast extracted out is cooled.
As a further improvement on the present invention, air-water cooling device and outside cold water source are set up be tightly connected air-water cooling device from SAPMAC method.
As a further improvement on the present invention, heat-insulation layer is set at the top of frequency conversion room and/or perisporium and carries out isothermal holding.
As a further improvement on the present invention, heater is set in frequency conversion room to carry out heat treated to room air under low temperature environment.
Compared with prior art, the invention has the advantages that:
(1) the circulation cooling method of high voltage converter of the present invention, the mode of the air-cooled circulatory system and water-cooling circulating system is adopted to realize the Inner eycle that dispels the heat, good heat dissipation effect, degree of protection is high, operating cost is low, be applicable to the more factory of dust or the larger region of dust storm, drastically increase frequency converter to the applicable ability of environment and range of application, there is high environment and be suitable for ability and practicality.
(2) the circulation cooling method of high voltage converter of the present invention, adopt container mode to replace frequency converter machine room, avoid capital construction and investment, compact conformation floor space is little, be applicable to land resource in short supply or be not easy to the factory and enterprise of capital construction, reduce cost of investment simultaneously.
(3) the circulation cooling method of high voltage converter of the present invention, container adopts INSULATION DESIGN, be configured with perfect auxiliary equipment, internal placement is compact, space is reasonable, operational environment is good, not only can extension device environment for use, and improve the comfortableness of staff, be a kind of pleasantization design meeting ergonomics.
Accompanying drawing explanation
Fig. 1 is the Facad structure principle schematic of the present invention in embody rule embodiment.
Fig. 2 is the circulation cooling principle schematic of the present invention in embody rule embodiment.
Fig. 3 is the side structure principle schematic of the present invention in embody rule embodiment.
Fig. 4 is the plan structure principle schematic of the present invention in embody rule embodiment.
Marginal data:
1, frequency conversion room; 11, high voltage converter; 12, control cubicle; 13, bypass cabinet; 14, heater; 2, extractor fan; 3, air-water cooling device; 4, cold wind transfer passage; 5, cooling-water machine; 6, devices function district; 61, air intake mesh; 7, operating space.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is described in further detail.
The invention provides a kind of circulation cooling method of high voltage converter, all devices of high voltage converter are installed in the frequency conversion room of a casing shape, in frequency conversion room, be separated out devices function district and operating space, at devices function district installation high-voltage frequency converter, in operating space, control cubicle and bypass cabinet be installed; Air inlet is set in the bottom in devices function district, and adopts multiple air intake mesh to carry out the mode of blowing; On the top of frequency conversion room, suction opeing is set; High voltage converter works, and its heat produced is derived from suction opeing with exhausting form, and after frequency conversion room outside cools, the air inlet through bottom is sent in frequency conversion room again to be cooled, and defines cold wind circulation cooling from the bottom to top.
In the present embodiment, the mode of gas-cooled mode and/or cooling by water is adopted when air-flow cooling is carried out in frequency conversion room outside; When adopting cooling by water mode, an air-water cooling device being set outside frequency conversion room the hot blast extracted out is cooled; And air-water cooling device and outside cold water source are set up and are tightly connected, with complete air-water cooling device from SAPMAC method.
In the present embodiment, heat-insulation layer is set at the top of frequency conversion room and/or perisporium and carries out isothermal holding.Make the terminal temperature difference that can maintain 10-20 DEG C in frequency conversion room, ensure that indoor temperature is affected by environment less, guarantee chamber interior temperature constant, do not increase cooling system extra energy ezpenditure, and can energy-saving effect be played
In the present embodiment, heater is set in frequency conversion room to carry out heat treated to room air under low temperature environment, makes interior environment temperature reach the condition of work of high voltage converter and control device startup.
From obtaining above, the circulation cooling method of high voltage converter of the present invention, adopt the mode of the perfect air-cooled circulatory system and water-cooling circulating system to realize the Inner eycle that dispels the heat, good heat dissipation effect, degree of protection is high, and operating cost is low; Exchange owing to not needing to produce with ambient atmos, therefore outside the direct holding chamber of energy, be applicable to the more factory of dust or the larger region of dust storm, drastically increase high voltage converter to the applicable ability of environment and range of application, there is high environment and be suitable for ability and practicality; Meanwhile, because the present invention adopts container mode to replace frequency converter machine room, avoid capital construction and investment, compact conformation floor space is little, is applicable to land resource in short supply or be not easy to the factory and enterprise of capital construction, reduces cost of investment simultaneously.
According to the structure and working principle that said method is formed when embody rule, following embody rule embodiment can be adopted to be further described.
As shown in Figures 1 to 4, according to the circulation cooling method of inventing the high voltage converter provided, in this embody rule embodiment, frequency conversion room 1 adopts container-type frequency conversion room, the devices such as high voltage converter 11, control cubicle 12, bypass cabinet 13, heater 14, illuminating lamp are mainly contained in frequency conversion room 1, devices function district 6 and operating space 7 are set in the frequency conversion room 1 of container-type, high voltage converter 11 is installed on devices function district 6, control cubicle 12 and bypass cabinet 13 are installed on operating space 7.
The outer wall of frequency conversion room 1 sets out air port and air inlet, extractor fan 2, air-water cooling device 3 and cold wind transfer passage 4 is connected successively outer installation of frequency conversion room 1, extractor fan 2 comprises centrifugal blower, air outlet is arranged at the top of frequency conversion room 1, air inlet is arranged at the bottom of frequency conversion room 1, be specially the multiple air intake mesh 61 be opened on bottom devices function district 6, to ensure that area of dissipation is wider, better heat-radiation effect; Extractor fan 2 is set up with the air outlet of frequency conversion room 1 be communicated with, cold wind transfer passage 4 sets up with air inlet and is communicated with.
Figure 2 shows that the Inner eycle radiating mode of this embody rule embodiment, as shown in the figure: by forming an airtight circulation cooling cavity by frequency conversion room 1, extractor fan 2, air-water cooling device 3, cold wind transfer passage 4, during work, the cold air of proper temperature enters frequency conversion room 1 inside and takes away the waste heat that power device produces, guarantee that power device is operated in safe temperature range, cold air heats up and becomes hot-air simultaneously; Hot-air is extracted out and is sent in air-water cooling device 3 by the centrifugal blower of extractor fan 2; Hot-air becomes the low cold air of temperature carry out heat exchange with cooling water or other coolants in air-water cooling device 3 after, then is back in frequency conversion room 1 by cold wind transfer passage 4, forms a circulation cooling wind path from bottom to up.
In this embody rule embodiment, also arrange cooling-water machine 5 frequency conversion room 1 is outer, being connected with air-water cooling device 3 by pipeline by cooling-water machine 5 is used for the water in air-water cooling device 3 to carry out circulating cooling.When having cooling water source in other embodiments, cooling-water machine 5 can be cancelled, and is connected by air-water cooling device 3 by pipeline with cooling water source.In other embodiments, also other coolants can be set to, as cooling fluid.
In the present invention, air circulates heat exchange, with outside air without any exchange in the internal flow of frequency conversion room 1 and cooling device all the time; Coolant also circulates heat exchange in the cooling system be made up of cooling-water machine 5 and air-water cooling device 3 simultaneously.Therefore, this device is completely airtight, can reach higher degree of protection, and dust storm, dust etc. all cannot enter.
In the present embodiment, at the top of frequency conversion room 1 and perisporium, heat-insulation layer is set, the heater 14 for heating compartment inner air under low temperature environment is provided with in frequency conversion room 1, also configure the auxiliary equipment such as illuminating lamp (Tri-proof light), temperature-detecting device, smoke alarm, socket in frequency conversion room 1, guarantee internal unit safety and convenient maintenance; Frequency conversion room 1 indoor design operating space 7 and access path, facilitate debugging operations and interruption maintenance.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (10)
1. the circulation cooling method of a high voltage converter, it is characterized in that, all devices of high voltage converter are installed in the frequency conversion room of a casing shape, the heat produced during high voltage converter work is derived with exhausting form, again sends in frequency conversion room and carry out cooling formation circulation cooling after frequency conversion room outside cools.
2. the circulation cooling method of high voltage converter according to claim 1, is characterized in that, suction opeing is positioned at the top of frequency conversion room, and air inlet is positioned at the bottom of frequency conversion room, and the wind direction of cooling air is from the bottom to top.
3. the circulation cooling method of high voltage converter according to claim 2, is characterized in that, adopts the mode of gas-cooled mode and/or cooling by water when air-flow cooling is carried out in frequency conversion room outside.
4. the circulation cooling method of high voltage converter according to claim 3, is characterized in that, is separated out devices function district and operating space in frequency conversion room, air inlet is located at the bottom in devices function district.
5. the circulation cooling method of high voltage converter according to claim 4, is characterized in that, the air inlet be positioned at bottom devices function district adopts multiple air intake mesh to carry out the mode of blowing.
6. the circulation cooling method of high voltage converter according to claim 5, is characterized in that, at devices function district installation high-voltage frequency converter, installs control cubicle and bypass cabinet in operating space.
7. according to the circulation cooling method of the high voltage converter in claim 3 ~ 6 described in any one, it is characterized in that, when adopting cooling by water mode, an air-water cooling device is set outside frequency conversion room the hot blast extracted out is cooled.
8. the circulation cooling method of high voltage converter according to claim 7, is characterized in that, air-water cooling device and outside cold water source are set up be tightly connected air-water cooling device from SAPMAC method.
9. according to the circulation cooling method of the high voltage converter in claim 1 ~ 6 described in any one, it is characterized in that, heat-insulation layer is set at the top of frequency conversion room and/or perisporium and carries out isothermal holding.
10. according to the circulation cooling method of the high voltage converter in claim 1 ~ 6 described in any one, it is characterized in that, heater is set in frequency conversion room to carry out heat treated to room air under low temperature environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281404.7A CN104917355A (en) | 2015-05-28 | 2015-05-28 | Circulating heat radiation method of high-voltage frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281404.7A CN104917355A (en) | 2015-05-28 | 2015-05-28 | Circulating heat radiation method of high-voltage frequency converter |
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| Publication Number | Publication Date |
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| CN104917355A true CN104917355A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510281404.7A Pending CN104917355A (en) | 2015-05-28 | 2015-05-28 | Circulating heat radiation method of high-voltage frequency converter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808534A (en) * | 2018-05-04 | 2018-11-13 | 江苏宝亨新电气有限公司 | A kind of aeration structure that energy-efficient intelligent environment protection case becomes |
| CN110649794A (en) * | 2019-10-15 | 2020-01-03 | 广州市伟达力电器有限公司 | High-voltage inverter power unit cabinet with self-circulation cold air device |
| CN113543607A (en) * | 2021-08-17 | 2021-10-22 | 南阳市一通防爆电气有限公司 | An explosion-proof control cabinet for a high-power inverter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299571A (en) * | 2008-03-14 | 2008-11-05 | 北京合康亿盛科技有限公司 | Circulation cold air apparatus for high voltage frequency conversion equipment |
| CN201174655Y (en) * | 2008-03-26 | 2008-12-31 | 北京合康亿盛科技有限公司 | High-voltage frequency transformer power unit cabinet having self-circulating wind-cooling apparatus |
| CN103427601A (en) * | 2013-09-03 | 2013-12-04 | 山西科达自控股份有限公司 | Middle-high voltage frequency converter circulating cooling device for mining |
| CN204103746U (en) * | 2014-09-29 | 2015-01-14 | 株洲变流技术国家工程研究中心有限公司 | A kind of container-type high voltage converter of circulation cooling |
-
2015
- 2015-05-28 CN CN201510281404.7A patent/CN104917355A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299571A (en) * | 2008-03-14 | 2008-11-05 | 北京合康亿盛科技有限公司 | Circulation cold air apparatus for high voltage frequency conversion equipment |
| CN201174655Y (en) * | 2008-03-26 | 2008-12-31 | 北京合康亿盛科技有限公司 | High-voltage frequency transformer power unit cabinet having self-circulating wind-cooling apparatus |
| CN103427601A (en) * | 2013-09-03 | 2013-12-04 | 山西科达自控股份有限公司 | Middle-high voltage frequency converter circulating cooling device for mining |
| CN204103746U (en) * | 2014-09-29 | 2015-01-14 | 株洲变流技术国家工程研究中心有限公司 | A kind of container-type high voltage converter of circulation cooling |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808534A (en) * | 2018-05-04 | 2018-11-13 | 江苏宝亨新电气有限公司 | A kind of aeration structure that energy-efficient intelligent environment protection case becomes |
| CN110649794A (en) * | 2019-10-15 | 2020-01-03 | 广州市伟达力电器有限公司 | High-voltage inverter power unit cabinet with self-circulation cold air device |
| CN113543607A (en) * | 2021-08-17 | 2021-10-22 | 南阳市一通防爆电气有限公司 | An explosion-proof control cabinet for a high-power inverter |
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Application publication date: 20150916 |