CN205713831U - Air inlet flow guiding type blade shutter window peculiar to vessel - Google Patents
Air inlet flow guiding type blade shutter window peculiar to vessel Download PDFInfo
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- CN205713831U CN205713831U CN201620218283.1U CN201620218283U CN205713831U CN 205713831 U CN205713831 U CN 205713831U CN 201620218283 U CN201620218283 U CN 201620218283U CN 205713831 U CN205713831 U CN 205713831U
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Abstract
This utility model relates to a kind of air inlet flow guiding type blade shutter window peculiar to vessel, and including bending-type blade, described bending-type blade is divided into influent stream part and goes out stream part, and two parts are connected as a single entity；Described influent stream part is inclined upwardly certain angle from front to back, goes out stream part from the downward-sloping certain angle of front to back, between two parts round and smooth excessively.Described bending-type blade is arranged in order from top to bottom；Described air inlet flow guiding type blade shutter window peculiar to vessel is arranged on the total air inlet of boats and ships, stops steam, makes the integrated water droplet of steam and trickles downwards along influent stream part.This utility model takes guide vane pattern, and mild correction air flows to；Can preferably optimize flow field, shutter region, reduce its flow resistance；For identical fan pressure head, can allow more to exceed stream wind speed, be effectively improved air quantity, more economy；For entering after shutter for the air channel structure of air channel downward bending, resistance reducing effect becomes apparent from, and the degree reducing blower fan requirement is bigger, and energy saving is more preferably, the most especially suitable.
Description
Technical field
This utility model relates to a kind of air inlet flow guiding type blade shutter window peculiar to vessel, belongs to air inlet shutter technical field peculiar to vessel.
Background technology
Ventilating system is the important system in boats and ships normal operation, and wherein the use of shutter is commonplace, is mainly used in stopping that rainwater and stormy waves enter ventilation cabin etc..Shutter is essential in ventilating system, is also a resistance element simultaneously, needs to consume blower fan work done.
The most conventional blade of louver window typically uses oblique blade pattern, as shown in Figure 1, before Caulis Piperis Kadsurae containing steam enters boats and ships, first shutter must be passed, when flowing through leaf area, vapor adhesion in air congeals into water droplet on blade, and the air that moisture content reduces enters ventilating system, the purpose reaching to stop steam with this.
At leaf area, Caulis Piperis Kadsurae leaves the air flow after blade and produces oblique angle, easily top, air channel is formed impact, and build-up of pressure loses, and this part crushing is provided by blower fan.Additionally, the trend that the flow direction of Caulis Piperis Kadsurae tends to vary with air channel to be turned back repeatedly, for entering the air inlet i.e. air channel of downward bending, the resistance that this blade structure for window-blinds form causes is bigger, cause the pressure loss bigger, increase the burden of blower fan, had a strong impact on the lifting of ventilation.
For general boats and ships, if space is abundant, then window blind hatch is generally large, and at this, wind speed is relatively low, generally 3-5m/s, produces the crushing of about 50-100Pa, and different manufacturers shutter size slightly difference, universal crushing is the most relatively low.But for the boats and ships that space is nervous, such as refrigerated container ship, roll-on/roll-off vessel for vehicle etc., its cargo space ventilation amount is huge, and free space is less, causes window blind hatch less so that it is the highest that shutter region wind speed is likely to be breached 10m/s.The local losses of resistance element typically to square being directly proportional of wind speed, therefore, the resistance the most only produced by shutter will increase to three or four hundred handkerchiefs suddenly, if speed is the highest, resistance will be further increased.In ventilating system, the pressure loss also will result from other resistance elements (such as elbow, reducing etc.) and pipeline friction loss, and this is for the blower fan of malleation 600-700Pa commonly used, beyond doubt a huge challenge.Therefore, how to optimize shutter to reduce its local loss coefficient, particularly important for the Wind Volume ventilating system being available for open pore space nervous as refrigerated container ship etc..
Utility model content
This utility model technical issues that need to address are: the oblique blade shutter window resistance commonly used at present is bigger, ventilating system especially for the big ventilation of boats and ships of air inlet open pore space anxiety, the wind speed flowing through shutter is higher, resistance will be caused in a square increase, and pressure request positive to blower fan is higher.
This utility model takes techniques below scheme:
A kind of air inlet flow guiding type blade shutter window peculiar to vessel, including bending-type blade 1, described bending-type blade is divided into influent stream part 101 and goes out to flow part 102, and two parts are connected as a single entity；Described influent stream part 101 is inclined upwardly certain angle from front to back, goes out to flow part 102 from the downward-sloping certain angle of front to back, between two parts round and smooth excessively.Described bending-type blade is arranged in order from top to bottom；Described air inlet flow guiding type blade shutter window peculiar to vessel is arranged on the total air inlet of boats and ships, stops steam, makes the integrated water droplet of steam and trickles downwards along influent stream part 101.
Further, described influent stream part 101 is inclined upwardly 45 °, goes out to flow downward-sloping 45 ° of part 102, and the length of influent stream part 101 is more than stream part 102.
Further, go out to flow the length of part 102 described in less than or equal to 1/2nd of influent stream part 101.
Further, described influent stream part 101 and go out to flow arc transition between part 102.
Further, the rear side air channel downward bending of described air inlet flow guiding type blade shutter window peculiar to vessel.
The beneficial effects of the utility model are:
1) taking guide vane pattern, mild correction air flows to.This design can preferably optimize flow field, shutter region, reduces its flow resistance.
2) for identical fan pressure head, can allow more to exceed stream wind speed, be effectively improved air quantity, more economy.
3) stator flap-type shutter is applied to the ship's ventilating system that the air inlet wind speed such as refrigerated container ship are higher, such as cargo space ventilation, can effectively reduce the requirement to fan pressure head and installing space.
4) for entering after shutter for the air channel structure of air channel downward bending, resistance reducing effect becomes apparent from, and the degree reducing blower fan requirement is bigger, and energy saving is more preferably, the most especially suitable.
Accompanying drawing explanation
Fig. 1 is the perspective view of prior art air inlet peculiar to vessel shutter.
Fig. 2 is the side view of prior art air inlet peculiar to vessel blade shutter window.
Fig. 3 is the perspective view of this utility model air inlet peculiar to vessel flow guiding type blade shutter window.
Fig. 4 is the side view of this utility model air inlet peculiar to vessel flow guiding type blade shutter window.
In figure, 1. bending-type blade, 101. influent stream parts, 102. go out stream part.
Detailed description of the invention
With specific embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Seeing Fig. 3-Fig. 4, a kind of air inlet flow guiding type blade shutter window peculiar to vessel, including bending-type blade 1, described bending-type blade is divided into influent stream part 101 and goes out to flow part 102, and two parts are connected as a single entity；Described influent stream part 101 is inclined upwardly certain angle from front to back, goes out to flow part 102 from the downward-sloping certain angle of front to back, between two parts round and smooth excessively.Described bending-type blade is arranged in order from top to bottom；Described air inlet flow guiding type blade shutter window peculiar to vessel is arranged on the total air inlet of boats and ships, stops steam, makes the integrated water droplet of steam and trickles downwards along influent stream part 101.
Seeing Fig. 4, described influent stream part 101 is inclined upwardly 45 °, goes out to flow downward-sloping 45 ° of part 102, and the length of influent stream part 101 is more than stream part 102.
See Fig. 4, described in go out to flow the length of part 102 less than or equal to 1/2nd of influent stream part 101.
See Fig. 4, described influent stream part 101 and go out to flow arc transition between part 102.
See Fig. 4, the rear side air channel downward bending of described air inlet flow guiding type blade shutter window peculiar to vessel.
This utility model blade is on the basis of the oblique blade of member-retaining portion, and the twist and warping of rear smaller part section turn back 90 °, flows to total length for controlling blade edge, and this diversion section need not be long.
In conjunction with Fig. 3-Fig. 4, and be simulated understanding to this flow field, region by CFD software, first air is turned back 45 ° after entering leaf area, then reversion 90 ° is seamlessly transitted at diversion section, leave the air flow after blade to be revised, be basically perpendicular to shutter cross section (rather than blade plane), it is to avoid the situation of air oblique impact air channel wall, this flow field, region is optimized so that coefficient of partial resistance substantially reduces.Result of calculation shows, is designed guide vane on the basis of a certain oblique blade of type shutter, and wind speed is when 3-15m/s interval, and the resistance only produced by blade can reduce 30%-40%, and effect is notable.
This utility model takes guide vane pattern, and mild correction air flows to.This design can preferably optimize flow field, shutter region, reduces its flow resistance；For identical fan pressure head, can allow more to exceed stream wind speed, be effectively improved air quantity, more economy；Stator flap-type shutter is applied to the ship's ventilating system that the air inlet wind speed such as refrigerated container ship are higher, such as cargo space ventilation, can effectively reduce the requirement to fan pressure head and installing space；For entering after shutter for the air channel structure of air channel downward bending, resistance reducing effect becomes apparent from, and the degree reducing blower fan requirement is bigger, and energy saving is more preferably, the most especially suitable.
Claims (5)
1. an air inlet flow guiding type blade shutter window peculiar to vessel, it is characterised in that:
Including bending-type blade (1), described bending-type blade is divided into influent stream part (101) and goes out stream part (102), and two parts are connected as a single entity；
Described influent stream part (101) is inclined upwardly certain angle from front to back, goes out stream part (102) from the downward-sloping certain angle of front to back, between two parts round and smooth excessively；
Described bending-type blade is arranged in order from top to bottom；
Described air inlet flow guiding type blade shutter window peculiar to vessel is arranged on the total air inlet of boats and ships, stops steam, makes the integrated water droplet of steam and trickles downwards along influent stream part (101).
Air inlet flow guiding type blade shutter window peculiar to vessel the most as claimed in claim 1, it is characterized in that: described influent stream part (101) is inclined upwardly 45 °, going out downward-sloping 45 ° of stream part (102), the length of influent stream part (101) is more than stream part (102).
Air inlet flow guiding type blade shutter window peculiar to vessel the most as claimed in claim 2, it is characterised in that go out the length of stream part (102) described in: less than or equal to 1/2nd of influent stream part (101).
Air inlet flow guiding type blade shutter window peculiar to vessel the most as claimed in claim 1, it is characterised in that: described influent stream part (101) and go out arc transition between stream part (102).
Air inlet flow guiding type blade shutter window peculiar to vessel the most as claimed in claim 1, it is characterised in that: the rear side air channel downward bending of described air inlet flow guiding type blade shutter window peculiar to vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620218283.1U CN205713831U (en) | 2016-03-22 | 2016-03-22 | Air inlet flow guiding type blade shutter window peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620218283.1U CN205713831U (en) | 2016-03-22 | 2016-03-22 | Air inlet flow guiding type blade shutter window peculiar to vessel |
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| Publication Number | Publication Date |
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| CN205713831U true CN205713831U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620218283.1U Active CN205713831U (en) | 2016-03-22 | 2016-03-22 | Air inlet flow guiding type blade shutter window peculiar to vessel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625913A (en) * | 2016-03-22 | 2016-06-01 | 上海船舶研究设计院 | Air inlet diversion type blade blind window for ship |
-
2016
- 2016-03-22 CN CN201620218283.1U patent/CN205713831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625913A (en) * | 2016-03-22 | 2016-06-01 | 上海船舶研究设计院 | Air inlet diversion type blade blind window for ship |
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