CN205335790U - Intensive fire -resistant bus duct of liquid heat dissipation - Google Patents
Intensive fire -resistant bus duct of liquid heat dissipation Download PDFInfo
- Publication number
- CN205335790U CN205335790U CN201620084998.2U CN201620084998U CN205335790U CN 205335790 U CN205335790 U CN 205335790U CN 201620084998 U CN201620084998 U CN 201620084998U CN 205335790 U CN205335790 U CN 205335790U
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- China
- Prior art keywords
- cavity
- coolant
- bus duct
- bus bar
- cooling liquid
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Abstract
The utility model provides an intensive fire -resistant bus duct of liquid heat dissipation, include that generating line row group locates the connecting portion that generating line row organized both ends, still include, seal chamber, in generating line row group locates seal chamber, and the connecting portion that generating line row organized both ends are located outside seal chamber's the both ends, at least be equipped with the coolant liquid cavity on the surface in one of them of seal chamber, be equipped with coolant liquid import and cooling liquid exit on the coolant liquid cavity. Compare with prior art, the liquid heat -sink cooling is convenient for adopt, effectual extension fire -proofing time in locating seal chamber in generating line row group.
Description
Technical field
This utility model relates to the intensive fireproof bus duct that liquid can be adopted to cool down in a kind of fire fighting device and conveying electricity facility。
Background technology
The technology that current domestic fireproof bus duct is commonly used:
Shell and thermal insulation layer adopt the high temperature resistant >=fire proofing material of 1100 DEG C (such as Ceramic silicon rubber, inorganic mineral etc.) as refractory insulating material, in conjunction with the high temperature resistant >=insulant of 300 DEG C, the type product by fire resistance period be divided into 60 minutes, 90 minutes, 120 minutes, 180 minutes several。
The defect of this series products ubiquity the following aspects:
1, manufacturing process is complicated, selects and makes different technique from common bus duct, and equipment investment is big。
2, fire proofing material being required height, consumption is big, and owing to there is patent protection in this type of material producer, purchase cost is high。
3, current domestic fireproof bus duct producer all cannot provide simulated fire more than 950 DEG C, copper conductor maximum temperature-rise value in fireproof bus duct。As maximum temperature-rise 70K and 90K, equal bus duct, its current capacity difference more than 15%。When temperature rise value is more than 90K, voltage drop increases, and busbar current-carrying capacity can sharply decline, it is impossible to meets fire fighting burthen full-load run needs。
4, due to fireproof bus duct heat radiation extreme difference, temperature rise value is high, in order to meet current-carrying capacity needs, often through the method increasing copper bar sectional area, directly increases system peace cost。
5, current domestic fireproof bus duct is not owing to solving bus duct internal heat dissipating problem very well: temperature rise is more high, and insulant is aging more fast, the hurried shortening in service life of bus duct。
6, owing to baked wheaten cake position very easily deforms, when fire control Water spray, very easily it is short-circuited。
7, interchangeability is poor, and fireproof bus duct is only used for fire-fighting circuit, can not power transmission come into operation at ordinary times, causes that great amount of investment can not be played effectiveness。
Utility model content
In order to solve the deficiencies in the prior art part, the purpose of this utility model is in that to provide the intensive fireproof bus duct a kind of being mounted on by bus bar in annular seal space body, facilitating implementation liquid radiating cooling。
For achieving the above object, the technical solution adopted in the utility model is: a kind of liquid radiating intensity fireproof bus duct, including, bus bar group, it is located at the connecting portion at bus bar group two ends；Also including, seal cavity, described bus bar is mounted in annular seal space body, and the connecting portion at bus bar group two ends is outside the both ends sealing cavity；At least being provided with coolant cavity on the wherein surface sealing cavity, described coolant cavity is provided with cooling liquid inlet and cooling liquid outlet。
Preferably, sealing cavity wherein one end at least provided with one group of coolant pipe, described coolant cavity is connected with coolant pipe。
Further, also including two pieces and be divided into the cavity coaming plate sealed on the upper and lower surface of cavity, the width of described cavity coaming plate is more than the width sealing cavity；Being respectively provided with one piece of baffle plate between the inner surface of two pieces of cavity coaming plate both sides, one of baffle plate encloses form a coolant cavity with upper and lower two blocks of cavity coaming plate and sealing cavity wherein side outer wall；Described two blocks of cavity coaming plates are equipped with cooling liquid inlet and cooling liquid outlet。
Being provided with sinking portion in described every piece of cavity coaming plate outer surface, described cooling liquid inlet and cooling liquid outlet are located on sinking portion base plate, and sinking portion connects with coolant cavity。
The closed at both ends of described coolant cavity, wherein one end is provided with the coolant pipe connected with coolant cavity, and described coolant pipe contacts with connecting portion wherein side outer wall。
Described coolant pipe is two groups, and two groups of coolant pipes contact with the both sides outer wall of connecting portion respectively。
The outer wall of described bus bar group is provided with insulated fireproof coating, and is arranged with telescopic insulated sleeve outside bus bar group。
Advantageous Effects of the present utility model: bus bar is mounted in annular seal space body, and the connecting portion at its two ends is external in annular seal space, sealing the upper of cavity, cavity coaming plate and two pieces of baffle plates on lower surface enclose to form with the both sides outer wall sealing cavity and are positioned at the coolant cavity sealing cavity both sides, and the outer surface of every block of cavity coaming plate is provided with sinking portion, sinking portion connects with coolant cavity, therefore after sinking portion and coolant cavity are closed, coolant enters coolant cavity from the cooling liquid inlet being located on cavity coaming plate, coolant pipe through connecting with coolant cavity flows out, when coolant flows through coolant pipe, take away the heat of the connecting portion contacted with coolant pipe, compared with the existing technology, bus bar is mounted in annular seal space body, it is easy to adopt liquid radiating cooling, effectively extend fire resistance period。
Accompanying drawing explanation
Fig. 1 is top view of the present utility model；
Fig. 2 is the A-A direction view of Fig. 1。
Detailed description of the invention
In order to make those skilled in the art be more fully understood that this New Scheme, below in conjunction with drawings and embodiments, the utility model is described in further detail。
As shown in Figure 1-2, a kind of liquid radiating intensity fireproof bus duct, including, the bus bar group 1 adopting material copper to make, it is located at the connecting portion 2 at bus bar group two ends；Also including, seal cavity 3, described bus bar group 1 is located in sealing cavity 3, and the connecting portion 2 at bus bar group two ends is positioned at outside the both ends sealing cavity。
At least being provided with coolant cavity 4 on the wherein surface sealing cavity 3, described coolant cavity is provided with cooling liquid inlet and cooling liquid outlet；Coolant cavity is formed in the following manner, is respectively provided with one block of cavity coaming plate 5 sealing on the upper and lower surface of cavity, and the width of described cavity coaming plate 5 is more than the width sealing cavity 3, and therefore two blocks of cavity coaming plates extend to outside sealing cavity；Being respectively provided with one piece of baffle plate 6 between the inner surface of two pieces of cavity coaming plate both sides, one of baffle plate 6 encloses form a coolant cavity 4 with upper and lower two blocks of cavity coaming plate and sealing cavity wherein side outer wall；Described two blocks of cavity coaming plates are equipped with cooling liquid inlet and cooling liquid outlet。
Sealing cavity wherein one end at least provided with one group of coolant pipe 7, described coolant cavity 4 is connected with coolant pipe 7。
Being provided with sinking portion 51 in described every piece of cavity coaming plate 5 outer surface, described cooling liquid inlet 51a and cooling liquid outlet 51b is located on sinking portion base plate, and sinking portion connects with coolant cavity 4。
The closed at both ends of described coolant cavity 4, wherein one end is provided with the coolant pipe 7 connected with coolant cavity 4, and described coolant pipe contacts with connecting portion 2 wherein side outer wall。
In the present embodiment, described coolant pipe 7 is two groups, and two groups of coolant pipes contact with the both sides outer wall of connecting portion respectively。
The outer wall of described bus bar group 1 is provided with insulated fireproof coating 8, and is arranged with telescopic insulated sleeve outside bus bar group。Refractory coating in bus bar group is resistant to the high temperature of 2000 degrees Celsius。
Adopt two-layer fireproof coating to carry out end spray and face spray on the surface of cavity coaming plate 5 and baffle plate 6。
Bus bar group 1 is combined by multiple conductive bus bars, refractory coating 8 made by spary superhigh temperature (2000 DEG C) insulated fireproof paint in bus bar group 1, ensure that it does not destroy at high-temperature condition electrical insulation properties, again on single conductive bus bar, increase total enclosing heatproof cold (heat) contracting insulated sleeve, busbar gap suitably increases, whole bus bar group 1 adopts plastic material to make closed processes, make bus bar group 1 water proof again (liquid), tide, fire-resistant again, whole bus bar group 1 adopts sealing cavity 3 body completely airtight, liquid by and do not penetrate into, two-layer fireproof coating is adopted to carry out end spray dough-making powder spray at cavity coaming plate 5 and baffle plate 6 surface treatment, after this kind of fireproof coating is radiated by thermal-flame, the thick cystose protective layer of one layer of 30～50mm can be generated, cavity coaming plate 5 and baffle plate 6 are protected, play heat-blocking action, ensure that cavity coaming plate 5 and baffle plate 6 are not directly burnt out。Cavity coaming plate 5 is provided with temperature sensor, and controlled controlling the water circulation (liquid) measures size, flows through coolant cavity 4 by water (liquid), reaches the purpose that cooling is fire-resistant；By current domestic code requirement, as long as meeting the highest fire resistance period 180min。
Compared to existing technology, this utility model has the advantage that
(1) thoroughly solving the fire-resistant effect of current fireproof bus duct bad, copper bar radiating effect is poor, the problem of temperature rise。
(2) use of refractory material being greatly decreased, it is not necessary to amplify copper conductor cross section, product cost reduces by more than 50%。
(3) owing to water (liquid) temperature is the highest 100 DEG C, when being water-cooled, conductor maximum temperature-rise value is lower than 70K, and conductor pressure drop is low, does not affect the oepration at full load of circuit。
(4) solving fireproof bus duct internal heat dissipating problem very well, the longest fire resistance period was more than 180 minutes, up to more than 300 minutes。
(5) product interchangeability is very good, owing to degree of protection reaches IP65, can be used for by fire resistance period requirement 60 minutes, place and the severe place of wet environment such as 90 minutes, 120 minutes, 180 minutes。
Although depicting the invention by embodiment, skilled addressee will appreciate that, this utility model has many deformation and is varied without departing from spirit of the present utility model, it is desirable to appended claim includes these deformation and is varied without departing from spirit of the present utility model。
Claims (7)
1. a liquid radiating intensity fireproof bus duct, including, bus bar group, it is located at the connecting portion at bus bar group two ends；It is characterized in that, also include, sealing cavity, described bus bar is mounted in annular seal space body, and the connecting portion at bus bar group two ends is outside the both ends sealing cavity；At least being provided with coolant cavity on the wherein surface sealing cavity, described coolant cavity is provided with cooling liquid inlet and cooling liquid outlet。
2. a kind of liquid radiating intensity fireproof bus duct as claimed in claim 1, it is characterised in that described sealing cavity wherein one end is at least provided with one group of coolant pipe, and described coolant cavity is connected with coolant pipe。
3. a kind of liquid radiating intensity fireproof bus duct as claimed in claim 1, it is characterised in that also including two pieces and be divided into the cavity coaming plate sealed on the upper and lower surface of cavity, the width of described cavity coaming plate is more than the width sealing cavity；Being respectively provided with one piece of baffle plate between the inner surface of two pieces of cavity coaming plate both sides, one of baffle plate encloses form a coolant cavity with upper and lower two blocks of cavity coaming plate and sealing cavity wherein side outer wall；Described two blocks of cavity coaming plates are equipped with cooling liquid inlet and cooling liquid outlet。
4. a kind of liquid radiating intensity fireproof bus duct as claimed in claim 3, it is characterised in that being provided with sinking portion in described every piece of cavity coaming plate outer surface, described cooling liquid inlet and cooling liquid outlet are located on sinking portion base plate, and sinking portion connects with coolant cavity。
5. a kind of liquid radiating intensity fireproof bus duct as described in claim 1 or 4, it is characterized in that, the closed at both ends of described coolant cavity, wherein one end is provided with the coolant pipe connected with coolant cavity, and described coolant pipe contacts with connecting portion wherein side outer wall。
6. a kind of liquid radiating intensity fireproof bus duct as claimed in claim 5, it is characterised in that described coolant pipe is two groups, and two groups of coolant pipes contact with the both sides outer wall of connecting portion respectively。
7. a kind of liquid radiating intensity fireproof bus duct as claimed in claim 1, it is characterised in that the outer wall of described bus bar group is provided with insulated fireproof coating, and is arranged with telescopic insulated sleeve outside bus bar group。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620084998.2U CN205335790U (en) | 2016-01-28 | 2016-01-28 | Intensive fire -resistant bus duct of liquid heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620084998.2U CN205335790U (en) | 2016-01-28 | 2016-01-28 | Intensive fire -resistant bus duct of liquid heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205335790U true CN205335790U (en) | 2016-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620084998.2U Expired - Fee Related CN205335790U (en) | 2016-01-28 | 2016-01-28 | Intensive fire -resistant bus duct of liquid heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205335790U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611895A (en) * | 2017-10-24 | 2018-01-19 | 镇江市益宝电气科技有限公司 | A kind of air cooling combination water-cooled high efficiency and heat radiation bus duct for Internet of Things |
| CN108847641A (en) * | 2018-07-19 | 2018-11-20 | 华翔翔能电气股份有限公司 | A kind of convenient for wiring bus bridge frame |
| CN113470866A (en) * | 2021-06-28 | 2021-10-01 | 阳光电源股份有限公司 | Liquid cooling busbar |
| CN114520450A (en) * | 2022-02-18 | 2022-05-20 | 欧伏电气股份有限公司 | Conducting bar and processing technology thereof |
-
2016
- 2016-01-28 CN CN201620084998.2U patent/CN205335790U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611895A (en) * | 2017-10-24 | 2018-01-19 | 镇江市益宝电气科技有限公司 | A kind of air cooling combination water-cooled high efficiency and heat radiation bus duct for Internet of Things |
| CN108847641A (en) * | 2018-07-19 | 2018-11-20 | 华翔翔能电气股份有限公司 | A kind of convenient for wiring bus bridge frame |
| CN113470866A (en) * | 2021-06-28 | 2021-10-01 | 阳光电源股份有限公司 | Liquid cooling busbar |
| CN113470866B (en) * | 2021-06-28 | 2023-11-07 | 阳光氢能科技有限公司 | Liquid cooling busbar |
| CN114520450A (en) * | 2022-02-18 | 2022-05-20 | 欧伏电气股份有限公司 | Conducting bar and processing technology thereof |
| CN114520450B (en) * | 2022-02-18 | 2024-05-03 | 欧伏电气股份有限公司 | Conducting bar and processing technology thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20170128 |