CN201194191Y - Ventilation refrigerating apparatus for enclosed mounting space of current converting transformer - Google Patents
Ventilation refrigerating apparatus for enclosed mounting space of current converting transformer Download PDFInfo
- Publication number
- CN201194191Y CN201194191Y CNU2008200053066U CN200820005306U CN201194191Y CN 201194191 Y CN201194191 Y CN 201194191Y CN U2008200053066 U CNU2008200053066 U CN U2008200053066U CN 200820005306 U CN200820005306 U CN 200820005306U CN 201194191 Y CN201194191 Y CN 201194191Y
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- installing space
- air
- airtight installing
- cooling device
- ventilation cooling
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- 238000009423 ventilation Methods 0.000 title claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a forced air cooling device of a closed mounting space used for a converter transformer, comprising at least an exhaust channel arranged on an inside of at least a side wall of the closed mounting space, for exhausting air in the inner of the closed mounting space to the air, wherein each exhaust channel has an air inlet arranged in the inside of the closed mounting space and an air outlet arranged on the outside of the closed mounting space; and at least an air intake channel, arranged on at least a side wall of the closed mounting space, causing external air to enter the closed mounting space. According to the utility model, ventilation is realized, meanwhile sound insulation effect is not reduced, but also effectively reducing temperature in the closed mounting space.
Description
Technical field
The utility model relates to the ventilation cooling technology in the DC engineering converter transformer body seal cavity.
Background technology
During the converter transformer operation, the D.C. magnetic biasing that flows through in a large amount of harmonic waves that produce because of converter valve and the change of current modified line circle, noise was obviously bigger than normal when the noise ratio AC transformer was moved when making the converter transformer operation, needed the noise source of keypoint treatment when being the current conversion station noise abatement.
In other high voltage DC engineering, the converter transformer noise abatement has following method:
Barrier method before the converter transformer.This method is to install an acoustic barrier before the converter transformer cooler or between converter transformer body and the cooler additional, its shortcoming is that effect is limited, and shutoff is imperfect, and noise is never blown out at the shutoff top, and when converter transformer is changed, need remove whole acoustic barrier, waste time and energy.
The BOX-IN method.This method is installed the shutoff frame for utilize the both sides fire compartment walls after converter transformer installs, and is sealed between the fire compartment wall acoustic barrier that also installs and fixes simultaneously with converter transformer is whole between converter transformer body and cooler.The advantage of this method is that the noise plugging effect is good, and body plenum was less than normal when shortcoming was the converter transformer operation, need remove whole shutoff when changing converter transformer, and is more complicated than last method.Simultaneously, because in the method, converter transformer is sealed in the airtight space, therefore, heat radiation becomes the current subject matter that will solve.Prior art is taked opens the air port or measure such as ventilation fan also is installed on the ventilating opening of offering solves heat dissipation problem, though can partly solve heat dissipation problem like this, the while also makes the effect of noise reduction become very poor, and can produce new noise source.
Therefore, the solution that needs a kind of ventilation that is used for the airtight installing space of converter transformer to cool off can solve the problem in the above-mentioned correlation technique.
The utility model content
The utility model is intended to can solve the bad problem of above-mentioned radiating effect at adopting the sealing converter transformer to come the technology of noise reduction to propose a kind of scheme of ventilating and cooling off.
According to the utility model, a kind of ventilation cooling device that is used for the airtight installing space of converter transformer is provided, comprise: at least one air exhaust passage, be arranged at least one inside sidewalls of airtight installing space, be used for the air of airtight installing space inside is discharged to atmosphere, in this air exhaust passage each all has an air inlet and an air outlet, and air inlet is positioned at the inside of airtight installing space, and air outlet is positioned at the outside of airtight installing space; And at least one air intake passage, be arranged at least one sidewall of airtight installing space, be used to make extraneous air to enter in the airtight installing space.
Said apparatus comprises two air exhaust passages and two air intake passages, two air exhaust passages lay respectively in the airtight installing space position near two relative sidewalls of valve Room wall and airtight installing space, and two air intake passages are separately positioned on the bottom on the sidewall relative with valve Room wall of airtight installing space.
Alternatively, two air intake passages are separately positioned on the bottom at least one sidewall of airtight installing space.
In said apparatus, in air intake passage, be provided with denoising device, overflow to prevent airtight installing space noise.
In said apparatus, air exhaust passage is the chimney flue type air exhaust passage, and air intake passage is the hidden air intake passage.
In said apparatus, 7 to 7.5 meters at the top of the airtight installing space of the air inlet of chimney flue type air exhaust passage distance.
In said apparatus, at least 3 meters at the top of the airtight installing space of the air outlet of chimney flue type air exhaust passage distance.
In said apparatus, air intake passage is 1 to 4 meter apart from the height of the mounting plane of converter transformer.
By the utility model, utilize the heat exchange principle of flue, under the situation that does not need power, just can realize ventilating, do not reduce defening effect simultaneously; In addition, the vent passages and the air intake passage that are installed on the wall of the valve Room have formed good air communication channel, along with the exchange of cold and hot wind, effectively reduce the temperature in the seal cavity.
Other features and advantages of the utility model will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the utility model.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows the end view according to the ventilation cooling device of the airtight installing space that is used for converter transformer of the utility model embodiment;
Fig. 2 shows the end view according to the ventilation cooling device of the airtight installing space that is used for converter transformer of another embodiment of the utility model; And
Fig. 3 shows the front view from watching over against valve Room direction of ventilation cooling system that is used for the airtight installing space of converter transformer according to the another embodiment of the utility model.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Fig. 1 shows the schematic diagram according to the ventilation cooling device of the airtight installing space that is used for converter transformer of the utility model embodiment.With reference to Fig. 1, ventilation cooling device 100 according to the airtight installing space that is used for converter transformer of the utility model embodiment comprises: at least one air exhaust passage 102, be arranged at least one inside sidewalls of airtight installing space, be used for the air of airtight installing space inside is discharged to atmosphere, in the air exhaust passage each all has an air inlet and an air outlet, air inlet is positioned at the inside of airtight installing space, and air outlet is positioned at the outside of airtight installing space; And at least one air intake passage 104, be arranged at least one sidewall of airtight installing space, be used to make extraneous air to enter in the airtight installing space.
Preferably, said apparatus comprises two air exhaust passages and two air intake passages, two air exhaust passages lay respectively in the airtight installing space position near two relative sidewalls of valve Room wall and airtight installing space, and two air intake passages are separately positioned on the bottom on the sidewall relative with valve Room wall of airtight installing space.
Alternatively, two air intake passages are separately positioned on the bottom at least one sidewall of airtight installing space.
In said apparatus, in air intake passage, be provided with denoising device, overflow to prevent airtight installing space noise.
In said apparatus, air exhaust passage is the chimney flue type air exhaust passage, and air intake passage is the hidden air intake passage.
In said apparatus, 7 to 7.5 meters at the top of the airtight installing space of chimney flue type air exhaust passage distance.
In said apparatus, at least 3 meters at the top of the airtight installing space of chimney flue type air exhaust passage distance.
In said apparatus, air intake passage is 1 to 4 meter apart from the height of the mounting plane of converter transformer.
Another embodiment of the present utility model is described below.
With reference to Fig. 2, in this embodiment, the end in as shown in the figure installation site near the valve Room is provided with chimney flue type vent passages 202, at the other end hidden air intake passage 204 is set.The chimney flue type vent passages is vertically mounted on the change of current and becomes in the installation site on the wall of the side valve Room, and the air inlet of vent passages is arranged on the bottom of vent passages, and the air outlet of vent passages is arranged on the top.Be arranged on the bottom of its place sidewall at the hidden air intake passage 204 of the other end, its height apart from the mounting plane of converter transformer is 1 to 4 meter, be typically 3 meters, and in air intake passage 204, be provided with denoising device 206, be used for preventing that the seal cavity noise from overflowing, among Fig. 2, only show a vent passages 202 and an inlet channel 204.
Among this embodiment, the air inlet of vent passages 202 is installed in the inside of acoustic barrier, and apart from 7 to 7.5 meters of the acoustic barriers at this confined space top, be typically 7.2 meters, the air outlet of vent passages 202 is at the top, and apart from least 3 meters of the acoustic barriers at this confined space top, is typically 4 meters, so, the hot gas in the seal cavity can be discharged from vent passages 202.
Among this embodiment, formed the circulation of air path by air intake passage 204 and vent passages 202, the physics principle that utilizes hot-air to rise, the hot-air in the confined space is arranged to atmosphere by this air communication channel.And the hidden air intake passage that has denoising device provides the inlet channel of cold air, therefore, does not need power just can guarantee the air flows that seal cavity is interior, and then the cooling of ventilating, and keeps the noise in the seal cavity not overflow simultaneously.
Below with reference to Fig. 3 another embodiment of the present utility model is described.
Fig. 3 shows the front view from watching over against valve Room direction of ventilation cooling system of the airtight installing space that is used for converter transformer of present embodiment.As can be seen from Figure 3, the ventilation cooling system of the airtight installing space that is used for converter transformer of present embodiment comprises two air exhaust passages 302 and two air intake passages 304.Two air exhaust passages 302 lay respectively on the wall in the valve Room in the airtight installing space of converter transformer, and near two sidewalls of airtight installing space.Two air intake passages 304 are separately positioned on the bottom on the sidewall relative with valve Room wall of airtight installing space, and alternatively, two air intake passages 304 are separately positioned on the bottom at least one sidewall of airtight installing space.Be respectively arranged with denoising device in two air intake passages 304, be used to prevent that noise from overflowing.Like this, constituted the circulation of air path by air intake passage 304 and air exhaust passage 302.In actual moving process, because the temperature in the airtight installing space of converter transformer is higher than the temperature of extraneous air, therefore, the air of confined space inside will rise and be discharged to the atmosphere from air exhaust passage 302, and because the air pressure balance principle, the air of outside lower temperature can enter the airtight installing space from air intake passage 304, forms the exchange of cold and hot air, thereby has reduced the temperature in the airtight installing space.Simultaneously, air exhaust passage 302 extends 7 to 7.5 meters downwards in airtight installing space, extend upward at least 3 meters in airtight installing space outside, has prevented that effectively the noise in the airtight installing space from overflowing.
By the utility model, utilize the heat exchange principle of flue, under the situation that does not need power, just can realize ventilating, do not reduce defening effect simultaneously; In addition, the vent passages and the air intake passage that are installed on the wall of the valve Room have formed good air communication channel, along with the exchange of cold and hot wind, effectively reduce the temperature in the seal cavity.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. ventilation cooling device is used for the airtight installing space of converter transformer, it is characterized in that, comprising:
At least one air exhaust passage, be arranged at least one inside sidewalls of described airtight installing space, be used for the air of described airtight installing space inside is discharged to atmosphere, in the described air exhaust passage each all has an air inlet and an air outlet, described air inlet is positioned at the inside of described airtight installing space, and described air outlet is positioned at the outside of described airtight installing space; And
At least one air intake passage is arranged at least one sidewall of described airtight installing space, is used to make extraneous air to enter in the described airtight installing space.
2. ventilation cooling device according to claim 1 is characterized in that, comprises two described air exhaust passages and two described air intake passages.
3. ventilation cooling device according to claim 2 is characterized in that, two described air exhaust passages lay respectively in the described airtight installing space position near two relative sidewalls of valve Room wall and described airtight installing space.
4. ventilation cooling device according to claim 2 is characterized in that, two described air intake passages are separately positioned on the bottom on the sidewall relative with valve Room wall of described airtight installing space.
5. ventilation cooling device according to claim 2 is characterized in that, two described air intake passages are separately positioned on the bottom at least one sidewall of described airtight installing space.
6. according to each described ventilation cooling device in the claim 1 to 5, it is characterized in that, in described air intake passage, be provided with denoising device, overflow to prevent described airtight installing space noise.
7. according to each described ventilation cooling device in the claim 1 to 5, it is characterized in that described air exhaust passage is the chimney flue type air exhaust passage, described air intake passage is the hidden air intake passage.
8. ventilation cooling device according to claim 7 is characterized in that, 7 to 7.5 meters at the top of the described airtight installing space of described air inlet distance of described chimney flue type air exhaust passage.
9. ventilation cooling device according to claim 7 is characterized in that, at least 3 meters at the top of the described airtight installing space of described air outlet distance of described chimney flue type air exhaust passage.
10. ventilation cooling device according to claim 7 is characterized in that, the height of the mounting plane of the described converter transformer of described air intake passage distance is 1 to 4 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200053066U CN201194191Y (en) | 2008-03-07 | 2008-03-07 | Ventilation refrigerating apparatus for enclosed mounting space of current converting transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200053066U CN201194191Y (en) | 2008-03-07 | 2008-03-07 | Ventilation refrigerating apparatus for enclosed mounting space of current converting transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201194191Y true CN201194191Y (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200053066U Expired - Lifetime CN201194191Y (en) | 2008-03-07 | 2008-03-07 | Ventilation refrigerating apparatus for enclosed mounting space of current converting transformer |
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| Country | Link |
|---|---|
| CN (1) | CN201194191Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723075A (en) * | 2011-03-29 | 2012-10-10 | 上海市电力公司 | Anti-noise structure for flexible direct current converter station |
| CN105244150A (en) * | 2015-10-30 | 2016-01-13 | 国网山东省电力公司东营供电公司 | A noise reduction and ventilation cooling device for a converter transformer |
| CN111948333A (en) * | 2020-07-14 | 2020-11-17 | 国网江苏省电力有限公司 | Converter transformer fire combustion analog simulation experiment device and experiment method thereof |
-
2008
- 2008-03-07 CN CNU2008200053066U patent/CN201194191Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723075A (en) * | 2011-03-29 | 2012-10-10 | 上海市电力公司 | Anti-noise structure for flexible direct current converter station |
| CN105244150A (en) * | 2015-10-30 | 2016-01-13 | 国网山东省电力公司东营供电公司 | A noise reduction and ventilation cooling device for a converter transformer |
| CN105244150B (en) * | 2015-10-30 | 2017-08-11 | 国网山东省电力公司东营供电公司 | A kind of converter power transformer noise reduction ventilation cooling device |
| CN111948333A (en) * | 2020-07-14 | 2020-11-17 | 国网江苏省电力有限公司 | Converter transformer fire combustion analog simulation experiment device and experiment method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090211 |
|
| CX01 | Expiry of patent term |