CN107282583A - A kind of mend wind passage of ventilation equipment - Google Patents
A kind of mend wind passage of ventilation equipment Download PDFInfo
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- CN107282583A CN107282583A CN201710669601.5A CN201710669601A CN107282583A CN 107282583 A CN107282583 A CN 107282583A CN 201710669601 A CN201710669601 A CN 201710669601A CN 107282583 A CN107282583 A CN 107282583A
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- wind passage
- ventilation equipment
- mend wind
- air
- working chamber
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- 238000009423 ventilation Methods 0.000 title claims abstract description 89
- 230000008901 benefit Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 14
- 230000008859 change Effects 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 16
- 231100000331 toxic Toxicity 0.000 description 11
- 230000002588 toxic effect Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 231100000614 poison Toxicity 0.000 description 6
- 230000007096 poisonous effect Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000000505 pernicious effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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Abstract
The present invention relates to a kind of mend wind passage of ventilation equipment, positioned at the top of ventilation equipment, the moving between window plane and front apron plane of ventilation equipment is formed at along the left and right width of ventilation equipment cabinet, and working chamber and the outside of ventilation equipment of connection ventilation equipment, air outside ventilation equipment is filled into working chamber, wherein, the bottom for constituting the front apron of a side of mend wind passage is provided with multiple air vents, and the air-flow in mend wind passage is oriented in working chamber by air vent.The air-flow that the mend wind passage of the present invention sets air vent to fill into mend wind passage in the bottom of front apron is oriented in working chamber, change the flow direction of working chamber top stream, alleviate the influence of the turbulence and vortex at working chamber inner tip, the harm for farthest avoiding the leakage of ventilation equipment internal gas from bringing operating personnel, in addition, the setting of air vent may also function as the effect of rectification, and the air-flow formation laminar flow entered in mend wind passage is uniformly filled into working chamber.
Description
Technical field
The present invention relates to industrial or civilian benefit wind field, more particularly, to a kind of mend wind passage of ventilation equipment.
Background technology
Ventilation equipment are that one kind is widely used in industrial production and life, the discharge work such as pernicious gas produced
Make the safety means in space.Because of industrial factory building, the kitchen when biological and chemical laboratory of research and development institution and culinary art
In often produce various pernicious gases, foul smell, moisture and inflammable, explosive, corrosive substance etc., in order to protect operating personnel
Or the personal safety of user of service, prevent these produced poisonous and harmful substances from expanding to working space or using space
Dissipate, ventilation equipment would generally be set in industrial premises, biological and chemical laboratory and kitchen, by these poisonous and harmful substances
Discharge, it is to avoid operating personnel or user of service suck these poisonous and harmful substances, endanger its personal safety.For preferably by work
Make space or discharged using the poisonous and harmful substance in space, existing ventilation equipment typically can be all set its work in it
The mend wind passage made space or connected with external environment condition using space, with by from the outside air-flow filled into come the space that pushes the work forward
Or air exhaust passage is steadily flowed into using the toxic and harmful gas in space, and then be expelled to working space or use outside space,
The risk of toxic and harmful gas is sucked so as to reduce operating personnel or user of service.
As Chinese patent literature CN201520106961.0 discloses a kind of supplementary air type vent cabinet (ventilation equipment), it is intended to carry
The more preferable vent cabinet of wind drainage effect is mended for one kind, its drip irrigation device is, including cabinet and the work in cabinet
It is provided with room, cabinet on air inlet, air outlet and sliding door, cabinet and is provided with wind-supplying mouth, cabinet is provided with positioned at air inlet
Conduction part, conduction part is oppositely arranged with wind-supplying mouth, and conduction part includes being used for the drawing in bending that air-flow is guided into inside working chamber
Stream interface.By above-mentioned technical proposal, wind-supplying mouth is located at the front upper side of vent cabinet, and one can be formed in face of operating personnel from upper
And under air curtain, when the air-flow of air curtain blows to table top bottom, in the guiding air flow direction room of the drainage face of conduction part, prevent air-flow from beating
Hit and shunting is produced on table top bottom, get in, effectively prevent that pernicious gas directly produces damage to operating personnel in vent cabinet
Evil, and then take the pernicious gas in vent cabinet to the external world out of.The mend wind passage that the patent document is provided is located at beyond sliding door,
The air-flow that conduction part is used to fill into mend wind passage introduces inside working chamber outside sliding door, and can not prevent the gas of inside working chamber
The raw turbulent flow of miscarriage or vortex.
Chinese patent literature CN201510169620.2 discloses a kind of vent cabinet, including：Cabinet, the inner chamber of cabinet is constituted
Working chamber, and antetheca forms the unlimited open front of oriented indoor environment；The mend wind passage of air-makeup system, air-makeup system and building
Connection, wind is mended to working chamber；And exhaust system, the air exhaust passage connection of exhaust system and building, it will enter by open front
The air for entering the air of working chamber and entering working chamber by air-makeup system is discharged from working chamber, and air-makeup system is on the top of cabinet
Respectively there is at least one wind-supplying mouth with bottom, wind-supplying mouth is provided with top module, top die towards air-supply in working chamber, cabinet top
The exhaust fan and valve for air exhaust of the benefit wind blower fan and benefit air valve, and exhaust system of air-makeup system are installed in block,
Wind blower fan is mended in connection and each mend wind passage of benefit air valve and each wind-supplying mouth communicates with each other.Using said structure, due in cabinet
Top and the bottom respectively have at least one wind-supplying mouth, therefore, can not only reduce from open front send into air quantity, so as to reduce air-conditioning
Energy consumption, and because the setting of multiple wind-supplying mouths can set up stable plug-type air flow in working chamber, therefore
Greatly reduce the risk of the air overflow in working chamber.
Wherein, the first wind-supplying mouth is provided with the top of above-mentioned open front, the first wind-supplying mouth is designed to the left side along working chamber
The semi-cylindrical shape of right width extension, its semi-cylindrical is towards working chamber i.e. towards rear.On the first wind-supplying mouth, if
Have multiple along the axially extending of semi-cylindrical and the flow deflector that circumferentially arranges.It is provided with the top of cabinet across cabinet or so width
First mend wind passage in direction is spent, the first mend wind passage connects above-mentioned benefit air valve and above-mentioned first wind-supplying mouth.First
Mend wind passage is designed close to the one side of working chamber for skew wall.This skew wall can be evenly distributed on the sky moved in the first mend wind passage
Gas, and its wind speed is reduced.The design for the first mend wind passage that the patent document is provided, although vent cabinet inner top can be changed
Airflow direction, reduce the turbulent flow formed in sliding door and front apron angle and vortex, thus mitigate vent cabinet internal gas from
The infringement caused to staff is overflowed at sliding door window.However, via the first mend wind passage in above-mentioned patent document to work
Making intracavitary benefit wind still can not farthest reduce the influence of turbulence and vortex.
In summary, how to design a kind of better benefit wind structure to change the gas flow in working chamber, to the greatest extent may be used
Energy ground reduces the turbulent flow and vortex of working chamber inner top, reduces the overflow risk of harmful toxic matter and turns into those skilled in the art urgently
One of the problem of solution.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of mend wind passage of ventilation equipment, positioned at ventilation
The top of equipment, window plane and front apron plane are moved along what the left and right width of ventilation equipment was formed at ventilation equipment
Between, and working chamber and the outside of ventilation equipment of connection ventilation equipment, the air outside ventilation equipment is filled into working chamber,
Wherein, the bottom for constituting the front apron of a side of mend wind passage is provided with multiple air vents, and air vent is by mend wind passage
Air-flow is oriented in working chamber.
Further, the width range of the under shed of mend wind passage is 40mm-100mm.
Preferably, constitute the front apron of a side of mend wind passage to be obliquely installed so that the width of mend wind passage by
Top to bottm be gradually reduced and in horn-like.
Further, the angle of inclination between front apron and vertical direction is 8 ° -25 °.
Preferably, the bottom for constituting the front apron of a side of mend wind passage is towards the raised arc of work cavity direction
Shape, multiple air vents are distributed on the arc surface of arc shape.
Further, arc shape is semicircle.
Preferably, the bottom of front apron is made up of porous plate, and multiple air vents are the through hole on porous plate.
Further, air vent is shaped as circular, oval, square or triangle.
Preferably, the top of the working chamber of front apron side is provided with sloping top walls, and the bottom of sloping top walls is connected in front
The top of all air vents of plate.
Further, sloping top walls are provided with the illuminating lamp set along its inclined-plane.
As above, the mend wind passage of ventilation equipment provided by the present invention, sets air vent to mend in the bottom of front apron
The air-flow that wind passage is filled into is oriented in working chamber, the flow direction of working chamber top stream is changed, so as to further mitigate work
The influence of the turbulence and vortex of intracavitary portion top end, farthest avoids ventilation equipment internal gas overflow to operator
The harm that member brings, in addition, the setting of air vent may also function as the effect of rectification, the air-flow entered in mend wind passage is passed through
Air vent formation laminar flow is filled into working chamber, the purpose of uniform benefit wind has been reached, with very good technique effect.
For the above of the present invention can be become apparent, preferred embodiment cited below particularly, and with reference to accompanying drawing, make detailed
It is described as follows.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
The structural representation for the ventilation equipment that Fig. 1 provides for first preferred embodiment of the invention；
Fig. 2 removes the structural representation after rear wall for the ventilation equipment that first preferred embodiment of the invention is provided；
The schematic side view of the internal structure for the ventilation equipment that Fig. 3 provides for first preferred embodiment of the invention；
The structural representation for the ventilation equipment that Fig. 4 is preferable to carry out providing for the present invention second；
Fig. 5 removes the structural representation after rear wall for the ventilation equipment that second preferred embodiment of the invention is provided；
The schematic side view of the internal structure for the ventilation equipment that Fig. 6 provides for second preferred embodiment of the invention.
Component label instructions
The sloping top walls of 1 ventilation equipment 2 movement form 3 front apron, 4 mend wind passage, 5 air vent 6
7 arc surfaces
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.Although description of the invention will combine preferred embodiment
Introduce together, but this feature for not representing this invention is only limitted to the embodiment.On the contrary, being invented with reference to embodiment
The purpose of introduction is the other selections or transformation for being possible to extend to cover the claim based on the present invention.In order to carry
Understand for the depth to the present invention, many concrete details will be included in describing below.The present invention can also be thin without using these
Section is implemented.In addition, in order to avoid the emphasis of the chaotic or fuzzy present invention, some details will be omitted in the de-scription.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
" on ", " under ", "left", "right", " top ", " bottom ", are to be based on vent cabinet in addition, used in the following description
Locus when being used by the experimenter in laboratory and define, should not be construed as limiting the invention.
【First preferred embodiment】
The structural representation for the ventilation equipment that Fig. 1 provides for first preferred embodiment of the invention, Fig. 2 is excellent for the present invention first
The ventilation equipment for selecting embodiment to provide are removed after rear wall, the structural representation by front view side of rear wall side, and Fig. 3 is of the invention the
The schematic side view of the internal structure for the ventilation equipment that one preferred embodiment is provided.
As shown in Figure 1 to Figure 3, first preferred embodiment of the invention provides a kind of mend wind passage 4 of ventilation equipment, position
In the top of ventilation equipment 1, along the left and right width of ventilation equipment 1 be formed at ventilation equipment 1 move window plane and
Between front apron plane, and working chamber and the outside of ventilation equipment 1 of connection ventilation equipment 1, by the air outside ventilation equipment 1
Fill into working chamber, wherein, the bottom for constituting the front apron 3 of a side of mend wind passage 4 is provided with multiple air vents 5, ventilation
Air-flow in mend wind passage 4 is oriented in working chamber by hole 5.
Specifically, as shown in Figure 1 and Figure 3, in this preferred embodiment, the antetheca of the cabinet of ventilation equipment 1 forms oriented
The mobile form 2 for opening or closing open front is provided with the unlimited open front of indoor environment, open front, in ventilation equipment 1
Front apron 3 is provided with the position of the mobile place plane certain distance of form 2 of top distance of cabinet, front apron 3 is regarded with movement
Space between the place plane of window 2 is then formed as mending wind, mend wind passage 4 positioned at the top of ventilation equipment 1 into working chamber, mends
Wind passage 4 sends into the air-flow in external environment condition in working chamber downwards.
To prevent the air-flow filled into vertically from mend wind passage 4 from forming turbulent flow and vortex at the top of working chamber, this is preferred real
Apply in example, be provided with multiple air vents 5 to change working chamber in the bottom of the front apron 3 for a side for constituting mend wind passage 4
The flow direction of top stream, to reduce the turbulence and vortes interference at working chamber inner tip, farthest avoids ventilation
The overflow of harmful toxic matter in equipment 1, to protect the personal safety of operating personnel.In addition, with by being set in the bottom of mend wind passage 4
The mode of air vent 5 mends wind into working chamber, realizes laminar flow and mends wind, the uniform purpose for mending wind, further to prevent
Overflow risk.
Further, as shown in Figures 1 and 2, the bottom for constituting the front apron 3 of a side of mend wind passage 4 is provided with
Multiple air vents 5, here, the bottom of front apron 3 includes the bottom of front apron 3 and the bottom of mend wind passage 4, i.e., in front apron 3
Bottom and multiple air vents 5 are respectively provided with the bottom of mend wind passage 4, to cause the air vent 5 of the bottom of front apron 3 with mending wind
Be formed as L-type structure between the air vent 5 of the bottom of passage 4, the air vent 5 of side in the L-type structure, i.e., positioned at the bottom of front apron 3
Flow direction of the air vent 5 at end to change working chamber top stream, it is to avoid turbulent flow, the generation of vortex, and the L-type structure bottom surface
Air vent 5, the i.e. air vent 5 of the bottom of mend wind passage 4 then continues to fill into air-flow into working chamber straight down, and this is filled into downwards
Air-flow be located just at the position of breathing of operating personnel operated before working chamber of standing, therefore can further reduce operating personnel
The risk of harmful toxic matter is sucked, and the air-flow filled into downwards from the air vent 5 of the L-type structure bottom surface forms air curtain structure,
" air curtain " is constituted, the effect with the external environment air of ventilation equipment 1 in buffering working chamber is served, effectively prevents overflow wind
Danger.
Further, to ensure the personal safety in operating personnel's operating process, operating personnel is farthest reduced and are inhaled
Enter the overall width that mend wind passage 4 is increased in the risk of harmful toxic matter, the ventilation equipment 1 that this preferred embodiment is provided, will be logical
The mend wind passage of normal 28 mm wide increases to more than 40 millimeters, and wind mistake is mended to be reduced by the increase of the overall width of mend wind passage 4
Air intake resistance in journey, the further interior vortex moved at working chamber inner tip, it is to avoid turbulent flow, turbulent flow, the generation of sinuous flow, effectively
Overflow risk is prevented, so as to further protect the personal safety of operating personnel, prevents it from sucking harmful toxic matter.Specifically, plus
The width range of the under shed of mend wind passage 4 after big is 40mm-100mm, to ensure do not influenceing working chamber built-in function empty
Between in the case of use, farthest avoid turbulent flow, the generation of vortex, farthest prevent overflow risk.
Further, as shown in Figures 1 and 2, the benefit for the ventilation equipment that first preferred embodiment of the invention is provided
In wind passage 4, the front apron 3 for constituting a side of mend wind passage 4 is to be obliquely installed so that the width of mend wind passage 4 is by upper
Be gradually reduced under and in horn-like.Here, the front apron 3 being obliquely installed can be uniformly distributed the air moved in mend wind passage 4,
And reduce its wind speed, so that the air in mend wind passage 4 is passed through into the uniform work for slowly sending into ventilation equipment 1 of air vent 5
Make intracavitary, reduce air turbulence.Meanwhile, by the way that mend wind passage 4 is arranged into up big and down small horn-like, increase mend wind passage
4 air inlet, further reduces the air intake resistance mended during wind, uniformly slow to fill into the air in working chamber,
The occurrence of so as to reduce top end air-swirl in working chamber, turbulent flow, it is to avoid poisonous, pernicious gas in working chamber
Overflow infringement operating personnel it is healthy.Preferably, the angle of inclination of front apron 3 and vertical direction is 8 ° -25 °, more excellent
The angle of inclination of selection of land, front apron 3 and vertical direction is 12 °.
Further, as shown in Figure 1 and Figure 3, in the mend wind passage 4 for the ventilation equipment that this preferred embodiment is provided,
The bottom of front apron 3 is made up of porous plate, and multiple air vents 5 are the through hole on porous plate, to be incited somebody to action by the through hole on porous plate
Air in mend wind passage 4 is filled into working chamber.Here, the through hole on porous plate will further be filled into mend wind passage 4
Air-flow formation laminar flow, uniformly fill into working chamber, further to change the flow direction of working chamber inner top air-flow, so that maximum
Mitigate to degree the influence of turbulence at working chamber inner tip and vortex, it is therefore prevented that the internal gas of ventilation equipment 1 overflows
Risk is flowed, the possibility that operating personnel suck harmful toxic matter is reduced.Preferably, in this preferred embodiment, the shape of air vent 5
For circular, oval, square or triangle.Here, those skilled in the art will be understood that by the through hole on porous plate come shape
Only make schematic view into the air vent 5 that wind is mended into working chamber, should not be construed as limiting the invention.
Further, as shown in Figure 3, in this preferred embodiment, the top of the working chamber of the side of front apron 3, which is provided with, inclines
Oblique top wall 6, the bottom of sloping top walls 6 is connected in the top of all air vents 5 of front apron 3.Here, the both sides of sloping top walls 6
Be connected with the left and right sidewall of the cabinet of ventilation equipment 1, bottom is connected with the upper end of all air vents 5 in front apron 3, top with
The roof of the cabinet of ventilation equipment 1 is connected so that sloping top walls 6 form part encirclement for working chamber.Due to exhaust blower
Work, the inner top of traditional ventilation equipment working chamber often forms air-swirl so that poisonous, You Haiqi high exhaust air rate
Body can not discharge working chamber, and can reduce air-swirl by the design of sloping top walls 6 in this preferred embodiment, it is to avoid vortex
Extension, and coordinate the laminar winds filled into mend wind passage 4, the air-flow in ventilation equipment 1 can be made slowly uniformly to be climbed along skew wall
To the discharge of air draft region, further to control and prevent the overflow of harmful toxic matter in work chamber air, and reduce in working chamber
The possibility of vortex is formed on top.
Preferably, sloping top walls 6 are provided with the illuminating lamp set along its inclined-plane, to provide in operating personnel's operating process
Required illumination, facilitates being smoothed out for operating process.Here, illuminating the photograph of working chamber by being set on the sloping top walls 6
Bright device, eliminates the other positions in working chamber and sets illuminating lamp, succinct attractive in appearance, and space utilization is rationally, compact conformation.
The mend wind passage of ventilation equipment provided by the present invention, sets air vent 5 to lead to wind is mended in the bottom of front apron 3
The air-flow that road 4 is filled into is oriented in working chamber, the flow direction of working chamber inner top air-flow is changed, so as to further mitigate working chamber
The influence of turbulence and vortex at inner tip, farthest avoids the overflow of the internal gas of ventilation equipment 1 to operation
The harm that personnel bring, in addition, may also function as the effect of rectification by the setting of air vent 5, will enter in mend wind passage 4
Air-flow is uniformly filled into working chamber by the formation laminar flow of air vent 5, further to prevent overflow risk, with very good technology effect
Really.
【Second preferred embodiment】
The structural representation for the ventilation equipment that Fig. 4 provides for second preferred embodiment of the invention, Fig. 5 is excellent for the present invention second
The ventilation equipment for selecting embodiment to provide are removed after rear wall, the structural representation by front view side of rear wall side, and Fig. 6 is of the invention the
The schematic side view of the internal structure for the ventilation equipment that two preferred embodiments are provided.
As shown in Fig. 4 to Fig. 6, second preferred embodiment of the invention provides a kind of mend wind passage of ventilation equipment, position
In the top of ventilation equipment 1, the form that moves for being formed at ventilation equipment 1 along the left and right width of the cabinet of ventilation equipment 1 is put down
Between face and front apron plane, and working chamber and the outside of ventilation equipment 1 of connection ventilation equipment 1, outside ventilation equipment 1
Air is filled into working chamber, wherein, the bottom for constituting the front apron 3 of a side of mend wind passage 4 is provided with multiple air vents 5,
Air-flow in mend wind passage 4 is oriented in working chamber by air vent 5.Preferably, the front apron of a side of mend wind passage 4 is constituted
3 bottom is that, towards the raised arc shape of work cavity direction, multiple air vents 5 are distributed on the arc surface 7 of arc shape, further
Ground, arc shape is semicircle.
Specifically, as shown in fig. 4 and fig. 6, in this preferred embodiment, the antetheca of the cabinet of ventilation equipment 1 forms oriented
The mobile form 2 for opening or closing open front is provided with the unlimited open front of indoor environment, open front, in ventilation equipment 1
Front apron 3 is provided with the position of the mobile place plane certain distance of form 2 of top distance of cabinet, front apron 3 is regarded with movement
Space between the place plane of window 2 is then formed as mending wind, mend wind passage 4 positioned at the top of ventilation equipment 1 into working chamber, mends
Wind passage 4 sends into the air-flow in external environment condition in working chamber downwards.
To prevent the air-flow filled into vertically from mend wind passage 4 from forming turbulent flow and vortex at the top of working chamber, this is preferred real
Apply in example, be provided with multiple air vents 5 to change working chamber in the bottom of the front apron 3 for a side for constituting mend wind passage 4
The flow direction of top stream, to reduce the influence of turbulence and vortex at working chamber inner tip, farthest avoids leading to
The overflow of harmful toxic matter in wind devices 1, to protect the personal safety of operating personnel.In addition, by being set in the bottom of mend wind passage 4
The mode of air vent 5 mends wind into working chamber, realizes laminar flow and mends wind, the uniform purpose for mending wind, further to prevent
Overflow risk.
Further, as shown in Figures 4 and 5, the bottom for constituting the front apron 3 of a side of mend wind passage 4 is provided with
Multiple air vents 5, here, the bottom of front apron 3 includes the bottom of front apron 3 and the bottom of mend wind passage 4, i.e. front apron 3
Bottom and the bottom of mend wind passage 4 are collectively forming towards the raised arc shape of work cavity direction, and multiple air vents 5 are then arranged at
On the arc surface of the arc shape.
Here, the mend wind passage 4 for the ventilation equipment that second preferred embodiment of the invention is provided is carried with first preferred embodiment
The main distinction between the mend wind passage 4 of the ventilation equipment of confession is, in the benefit of the ventilation equipment of the second preferred embodiment offer
In wind passage 4, the bottom for constituting the front apron 3 of a side of mend wind passage 4 is the arc shape towards work cavity direction projection, many
Individual air vent 5 is then distributed on the arc surface 7 of arc shape, further, and arc shape is semicircle.
I.e. in the mend wind passage 4 for the ventilation equipment that this preferred embodiment is provided, the bottom of front apron 3 and mend wind passage 4
Bottom together form along working chamber or so width extend semi-cylindrical shape, and semi-cylindrical towards work
Chamber, while multiple air vents 5 for mending wind into working chamber are provided with semi-cylindrical, to cause outside ventilation equipment 1
Air is flowed through after mend wind passage 4 and filled into by the air vent 5 of semi-cylindrical in working chamber.Here, the bottom of mend wind passage 4 and front
The bottom of plate 3 is collectively forming towards the raised arc-shaped of work cavity direction, both ensure that mend wind passage 4 was mended into working chamber straight down
The throughput entered, to reduce the risk for the operating personnel's suction harmful toxic matter for being located at operation below the downdraught, can pass through again
Multiple air vents 5 in arc-shaped change the flow direction of working chamber inner top air-flow, it is to avoid turbulent flow, the generation of vortex, and from
The air-flow that air vent 5 in arc-shaped is filled into downwards can also form air curtain structure, constitute " air curtain ", serve buffering
With the effect of the external environment air of ventilation equipment 1 in working chamber, overflow risk is effectively prevented.
The mend wind passage for the ventilation equipment that this preferred embodiment is provided, by by the bottom of mend wind passage 4 and front apron 3
Bottom is arranged to semi-cylindrical jointly, wind is then mended into working chamber by setting air vent 5 on semi-cylindrical, with first
The mend wind passage for the ventilation equipment that preferred embodiment is provided is compared, and is expanded the contact area of mend wind passage 4 and working chamber, can be increased
Plus in mend wind passage 4 air vent 5 quantity, with further in move working chamber inner top air whirl, and cause working chamber top
The flow direction of portion's air-flow changes effect more preferably, meanwhile, by being designed as arc surface at the air flow direction change by mend wind passage 4, from
And the process for the air flow direction change that can smoothly transit, turbulent flow, turbulent flow, the generation of sinuous flow are farthest avoided, further
Ground avoids the overflow of the internal gas of ventilation equipment 1, is provided further with the personal safety for operating personnel in operating process
Protection, with more preferably technique effect.
In summary, the mend wind passage for the ventilation equipment that the present invention is provided, air vent 5 is set in the bottom of front apron 3
The air-flow that mend wind passage 4 is filled into is oriented in working chamber, the flow direction of working chamber top stream is changed, so as to further mitigate
The influence of turbulence and vortex at working chamber inner tip, farthest avoids the overflow of the internal gas of ventilation equipment 1
The harm brought to operating personnel, while air vent 5 may also function as the effect of rectification, will enter the air-flow in mend wind passage 4
Uniformly filled into by the formation laminar flow of air vent 5 in working chamber, overflow risk is further prevented, with very good technique effect.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of mend wind passage of ventilation equipment, positioned at the top of the ventilation equipment, along the left and right width of the ventilation equipment
Direction is formed between the mobile window plane of the ventilation equipment and front apron plane, and the work of the connection ventilation equipment
The outside of chamber and the ventilation equipment, the air outside the ventilation equipment is filled into the working chamber, it is characterised in that structure
Bottom into the front apron of a side of the mend wind passage is provided with multiple air vents, and the air vent is by the benefit wind
Air-flow in passage is oriented in the working chamber.
2. mend wind passage as claimed in claim 1, it is characterised in that the width range of the under shed of the mend wind passage is
40mm-100mm。
3. mend wind passage as claimed in claim 1, it is characterised in that constitute the mend wind passage a side it is described before
Baffle plate is is obliquely installed so that the width of the mend wind passage be gradually reduced from top to bottom and in horn-like.
4. mend wind passage as claimed in claim 3, it is characterised in that the angle of inclination between the front apron and vertical direction
For 8 ° -25 °.
5. mend wind passage as claimed in claim 1, it is characterised in that constitute the mend wind passage a side it is described before
The bottom of baffle plate is that, towards the raised arc shape of the work cavity direction, multiple air vents are distributed in the circular arc of the arc shape
On face.
6. mend wind passage as claimed in claim 5, it is characterised in that the arc shape is semicircle.
7. the mend wind passage as described in any in claim 1-6, it is characterised in that the bottom of the front apron is by porous plate structure
Into multiple air vents are the through hole on the porous plate.
8. the mend wind passage as described in any in claim 1-6, it is characterised in that being shaped as the air vent is circular, ellipse
Circular, square or triangle.
9. the mend wind passage as described in any in claim 1-6, it is characterised in that the working chamber of the front apron side
Top be provided with sloping top walls, the bottom of the sloping top walls is connected in the top of all air vents of the front apron.
10. mend wind passage as claimed in claim 9, it is characterised in that the sloping top walls are provided with along its inclined-plane and set
Illuminating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669601.5A CN107282583A (en) | 2017-08-08 | 2017-08-08 | A kind of mend wind passage of ventilation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669601.5A CN107282583A (en) | 2017-08-08 | 2017-08-08 | A kind of mend wind passage of ventilation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107282583A true CN107282583A (en) | 2017-10-24 |
Family
ID=60105293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710669601.5A Pending CN107282583A (en) | 2017-08-08 | 2017-08-08 | A kind of mend wind passage of ventilation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107282583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021088771A1 (en) * | 2019-11-06 | 2021-05-14 | 中兴通讯股份有限公司 | Heat dissipation subrack, heat dissipation cabinet and backboard communication system |
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Application publication date: 20171024 |