CN207674669U - Jet stream induced draught device and ventilating system - Google Patents
Jet stream induced draught device and ventilating system Download PDFInfo
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- CN207674669U CN207674669U CN201721697268.0U CN201721697268U CN207674669U CN 207674669 U CN207674669 U CN 207674669U CN 201721697268 U CN201721697268 U CN 201721697268U CN 207674669 U CN207674669 U CN 207674669U
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- nozzle
- jet
- babinet
- induced draught
- jet stream
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Abstract
The utility model discloses a kind of jet stream induced draught devices, including：Babinet, motor, impeller, power cord, nozzle；Wherein, babinet is hollow enclosure space, babinet includes the inlet end being oppositely arranged and outlet side, air inlet is equipped at inlet end, set at outlet side be respectively arranged there are three nozzle the end face of outlet side first jet, be set to outlet side two opposite flanks second nozzle and third nozzle；Motor and impeller are set in babinet；One end of power cord is connect with motor, the other end stretches out outside babinet for connecting power supply.The ventilator utilizes the air draught that its high speed sprays, induction and a large amount of air of stirring surrounding, enhances ventilation effect and drafting efficiency, and broad covered area of divulging information, nozzle diverging formula arrangement is easier to realize the ventilation to dead angle.Using the ventilating system of above-mentioned ventilator without air hose of divulging information, the height of installation site can be reduced, save space, easily coordinated with the pipeline of other professions and crane span structure, construction is simple.
Description
Technical field
The utility model belongs to architectural environment control technology field, more particularly to a kind of jet stream induced draught device and ventage
System.
Background technology
Ventilation is to control the propagation and harm of air pollutants by the means such as ventilation dilution or ventilation exclusion, realize room
A kind of architectural environment control technology of inner air and outer air environmental quality guarantee.Ventilating system realizes this function of divulging information, and leads to
Include often air inlet, exhaust outlet, air supply duct, wind turbine, cooling and heating, filter, control system and other auxiliary devices
A whole set of device inside, is widely used in underground parking, and gymnasium, workshop, warehouse, market, supermarket, public place of entertainment etc. are big
The ventilation in type place.It is all made of at present in the tradition ventilation of above-mentioned place such as underground garage and arranges that low speed air hose send row in library
Wind system, it is maximum the disadvantage is that：Air hose cross dimensions is larger, and gas tends to build up at the dead angle far from air draught；
Garage clear height is commonly relatively low, has constriction using low speed air hose；Installation workload is big, and investment is higher；Operating cost is high.Have simultaneously
Building can not be installed at all due to itself feature air hose.Furthermore air hose can not possibly all be arranged in all positions, it is easy shape
At dead angle.
Utility model content
The purpose of this utility model is to provide a kind of jet stream induced draught device and ventilating systems, can induce and stir week
A large amount of air is enclosed, ventilation effect and drafting efficiency are enhanced.
To achieve the goals above, the utility model provides the following technical solutions：
A kind of jet stream induced draught device, including：Babinet, motor, impeller, power cord, nozzle；Wherein, during the babinet is
Empty enclosure space, the babinet includes inlet end and outlet side, and the inlet end and the outlet side are oppositely arranged, in institute
It states and is equipped with air inlet at inlet end, the nozzle is equipped at the outlet side, there are three the nozzle settings, is respectively arranged
The end face of the outlet side first jet, be set to the outlet side two opposite flanks second nozzle and third spray
Mouth；The motor and the impeller are set in the babinet；One end of the power cord is connect with the motor, the other end is stretched
Go out outside the babinet, for connecting power supply.
Above-mentioned jet stream induced draught device, the shape of the babinet is rectangular-shape or circle as a preferred implementation manner,
Tubular is additionally provided with hole for hoist at the top of the babinet.
Above-mentioned jet stream induced draught device, as a preferred implementation manner, the air inlet be set to the babinet into
The end face or/and side at gas end；The shape of the air inlet is grid-like or circular hole.
Above-mentioned jet stream induced draught device, as a preferred implementation manner, the nozzle be respectively arranged at the babinet
The lower part of the end face of outlet side and two opposite flanks.
Above-mentioned jet stream induced draught device, the as a preferred implementation manner, first jet, the second nozzle and institute
State the axis of third nozzle in the same plane, and the axis of the second nozzle and the third nozzle overlaps, described first
The axis of nozzle is vertical with the second nozzle and the axis of third nozzle.
Above-mentioned jet stream induced draught device, the as a preferred implementation manner, first jet, the second nozzle and institute
State the axis of third nozzle in the same plane, and the axis of the second nozzle and the third nozzle is respectively with described first
The axis of nozzle is at 30-60 °.
A kind of jet-influenced area, including：It is pressure fan, exhaust blower, multiple as described in any one of claim 1-6
Jet stream induced draught device；The jet-influenced area is installed on the top in opposite confined space, opposite confined space
Equipped with air inlet and exhaust outlet, the pressure fan is arranged in the air inlet, and the exhaust blower is arranged at the exhaust outlet；It is multiple
The jet stream induced draught device is corresponding at array head and the tail and is arranged at certain intervals and forms multiple air-flow flows, the air-flow
Flow is entered the wind by the pressure fan and by the exhaust blower air draft.
Above-mentioned jet-influenced area, the pressure fan and the exhaust blower are pairs of as a preferred implementation manner,
Linea angulata arranges that, compared to the outlet side of the jet stream induced draught device, the inlet end is close to the pressure fan.
Above-mentioned jet-influenced area, the quantity of the jet stream induced draught device is by 1 as a preferred implementation manner,
Platform/30~50m2Setting；Spacing≤8m of the nozzle of the adjacent jet stream induced draught device side by side, the adjacent jet stream of head and the tail lure
Lead spacing≤10m of the nozzle of ventilator.
Above-mentioned jet-influenced area, the as a preferred implementation manner, quantity of the jet-influenced area
Press formula determination：Jet-influenced area quantity >=opposite confined space construction area/2500m2。
What the utility model Pass through above-mentioned technical proposal was brought has the beneficial effect that：
It is equipped with nozzle on above-mentioned jet stream induced draught device jet stream induced draught device outlet side end face and two sides, is utilized
A large amount of air around the air mainstream that its high speed sprays, induction and stirring, enhances ventilation effect and drafting efficiency, ventilation is covered
Capping is wide, and the divergence expression arrangement of nozzle is easier to realize the ventilation to dead angle.
Using above-mentioned jet-influenced area be not necessarily to divulge information air hose, the height of installation site such as underground parking can be reduced
Degree saves space, easily coordinates with the pipeline of other professions and crane span structure, construction is simple.
Description of the drawings
Fig. 1 is a kind of schematic front view for jet stream induced draught device that the utility model embodiment provides；
Fig. 2 is the left view schematic diagram of jet stream induced draught device in Fig. 1；
Fig. 3 is the schematic top plan view of jet stream induced draught device in Fig. 1；
Fig. 4 is a kind of air draft arrangement schematic diagram for jet-influenced area that the utility model embodiment provides；
Fig. 5 is the jet stream induced draught device structural schematic diagram of the jet-influenced area in Fig. 4；
In figure, symbol description is as follows：
Air inlet, 14 nozzles, 15 holes for hoist, 2- after 1- jet stream induced draughts device, 11- power cords, 12- side-inlets, 13-
Pressure fan, 3- air inlets, 4 exhaust blowers, 5- exhaust outlets.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Referring to Fig. 1~3, a kind of preferred embodiment of the utility model provides a kind of jet stream induced draught device 1, main to wrap
It includes：Babinet, power cord 11, nozzle 14.Babinet is hollow enclosure space, for absorbing, accommodating air and pass through for air, case
Body is internally provided with the mechanisms such as motor, impeller (not shown), and babinet includes：Inlet end and outlet side, wherein inlet end is equipped with
Air inlet is used for the entrance of air；Outlet side is equipped with nozzle 14, for ejecting air-flow.Specifically, the shape of babinet can be
The shapes such as rectangular-shape, cylindrical shape, the utility model do not limit herein；The installation position of air inlet can be babinet inlet end
End face or/and side, the shape of air inlet can be grid-like (referring to Fig. 1 and Fig. 2), circular hole etc., and the utility model exists
This is not limited；The installation position of nozzle 14 can be the end face or/and side of babinet outlet side, and the utility model is not done herein
It limits；Three nozzles 14 are preferably provided with, the lower part of outlet side is set to.11 one end of power cord connect with the motor in babinet, is another
One end is stretched out outside babinet, for connecting external power supply.In use, powering on, rotated extraneous air by motor impeller
It is sprayed out of air inlet inlet box body, then by nozzle.
In another preferred embodiment of the utility model, the top of the box of jet stream induced draught device 1 is additionally provided with lifting
Four holes for hoist 15, the top for babinet to be set to field of employment is preferably arranged in hole 15 altogether.
In the preferred embodiment of the utility model, babinet is rectangular-shape, the end face (left end of babinet of inlet end
Face) it is equipped with rear air inlet 13, side surface upper part is equipped with side-inlet 12, and outlet side is set there are three nozzle 14, specifically, being set to
The first jet of the end face (being specially the right side of babinet) of outlet side, two opposite sides for being respectively arranged at outlet side
The second nozzle and third nozzle of (two opposite flanks of babinet outlet side are adjacent with the end face of babinet outlet side respectively).It is more excellent
Selection of land, the axis of first jet, second nozzle and third nozzle in the same plane, and the axis of second nozzle and third nozzle
It overlaps, the axis of first jet is vertical with the axis of second nozzle and third nozzle (referring to Fig. 1-Fig. 3)；Alternatively, first jet,
The axis of second nozzle and third nozzle in the same plane, and the axis of second nozzle and third nozzle difference first jet
Axis is at 30-60 °, preferably 45 ° (referring to Fig. 5).It is further preferred that first jet, second nozzle and the setting of third nozzle
In the lower part of babinet, that is, it is respectively arranged at the lower part of the end face and two opposite flanks of outlet side.
Referring to Fig. 4~5, the utility model additionally provides a kind of jet-influenced area, including：Pressure fan 2, exhaust blower
4, several above-mentioned jet stream induced draught devices 1；Jet-influenced area is installed on (such as the underground parking of opposite confined space
Library) in top, opposite confined space is equipped with air inlet 3 and exhaust outlet 5, is equipped with pressure fan 2 at air inlet 3, at exhaust outlet 5
Exhaust blower 4 is installed；The inlet end of jet stream induced draught device 1 is close to pressure fan 2 and outlet side is close to exhaust blower 4, multiple jet streams
Induced draught device 1 is set to according to certain arrangement in opposite confined space, specifically, multiple jet stream induced draught devices 1
It is arranged at the corresponding interval of array head and the tail and forms multiple air-flow flows entered the wind by pressure fan 2 by 4 air draft of exhaust blower, changes speech
It, the jet stream induced draught device 1 is arranged at array, and jet stream induced draught device 1 is corresponding from beginning to end and is arranged at certain intervals, shape
At multiple air-flow flows, air-flow flow refers to being entered the wind by pressure fan 2 and finally by the course of 4 air draft of exhaust blower.
Jet-influenced area operation principle is, orientation high speed gas is generated by the nozzle of jet stream induced draught device
In other words stream, passes through high-speed flow boundary layer to the air flowing of (such as underground parking garage) in the opposite confined space of induction
With the momentum-exchange of air in opposite confined space, the air of opposite confined space is driven to flow, to which space is discharged in exhaust gas
Outside, fresh air is brought into space, generates ventilation effect.
For opposite confined space, the determination of air inlet 3,5 position of exhaust outlet needs to consider：1. preventing air-flow short
Road, since the arrangement of air blow and return vertical shaft in opposite confined space need to consider, so air inlet 3 and exhaust outlet 5 be apart sometimes
Close, this just needs that air-flow flow is arranged, prevents short circuit come virtual dividing using nozzle；2. using the phase of inductive ventilation system
To confined space, the formation of primary air depends primarily on the position of air inlet 3 and exhaust outlet 5, the position of air inlet 3 and exhaust outlet 5
It sets to be directly related in opposite confined space and can form rational air current composition.In the preferred embodiment of the utility model
In, pressure fan 2 and the exhaust blower 4 pairs of linea angulata arrangement in entire jet-influenced area so can more facilitate jet stream to induce
The layout design of ventilator forms rational air current composition.
The number of units of jet stream induced draught device needed for opposite confined space, considering draft type, (such as natural air inlet machinery is arranged
Wind, mechanical blow and exhaust) opposite confined space whether there is or not partition wall, opposite confined space shape under the premise of, penetrated by every
The opposite confined space areal calculation that stream induced draught device is undertaken.In the preferred embodiment of the utility model, jet stream induction
The quantity of ventilator presses 1/30~50m2Setting, i.e., per 30m2-50m2Space in arrange a jet stream induced draught device.
In above-mentioned jet-influenced area, adjacent jet stream induced draught device side by side as a preferred implementation manner,
Nozzle spacing≤8m (left side three i.e. as shown in Figure 4 arrange in up and down two adjacent jet stream induced draught devices nozzle it
Between distance), (left side during the left side three i.e. as shown in Figure 4 arranges spacing≤10m of the nozzle of the adjacent jet stream induced draught device of head and the tail
Two adjacent jet stream inductions up and down in the distance between nozzle of right two adjacent jet stream induced draught devices and right column
The distance between nozzle of ventilator).Setting jet stream induced draught device fully can induce and stir the sky of surrounding in this way
Gas enhances ventilation effect and drafting efficiency.
When the area of opposite confined space is larger, since systematic air flow is larger, multiple jet stream induced draughts system is preferably set
System, it is preferable that the quantity of jet-influenced area presses formula determination：Jet-influenced area quantity >=opposite confined air
Between construction area/2500m2。
In conclusion having the beneficial effect that of bringing of the utility model embodiment：
1) it is equipped with nozzle on jet stream induced draught device outlet side end face and two sides, the air sprayed using its high speed
Air-flow, by the inducing properties of jet stream, a large amount of air around induction and stirring enhances ventilation effect and drafting efficiency, leads to
Wind broad covered area, the divergence expression arrangement of nozzle are easier to realize the ventilation to dead angle；
3) in jet-influenced area, multiple jet stream induced draught devices carry out relay by air along preset flow,
To form " air-flow push-and-pull action ", so that entire opposite confined space is generated the velocity field of air flowing, successfully takes a breath,
Multiple jet stream induced draught devices are set by array format and form relay induced draughts, saves air hose and arranges, save space reduction at
This, and can realize the ventilation to dead angle.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, all things considered are all merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (10)
1. a kind of jet stream induced draught device, which is characterized in that the jet stream induced draught device includes：Babinet, motor, impeller, electricity
Source line, nozzle；Wherein,
The babinet is hollow enclosure space, and the babinet includes inlet end and outlet side, the inlet end and it is described go out
Gas end is oppositely arranged, and air inlet is equipped at the inlet end, and the nozzle is equipped at the outlet side,
There are three nozzle settings, be respectively arranged the end face of the outlet side first jet, be set to the outlet
The second nozzle and third nozzle of two opposite flanks at end；The motor and the impeller are set in the babinet；
One end of the power cord is connect with the motor, the other end stretches out outside the babinet, for connecting power supply.
2. jet stream induced draught device according to claim 1, which is characterized in that the shape of the babinet is rectangular-shape or circle
Tubular,
It is additionally provided with hole for hoist at the top of the babinet.
3. jet stream induced draught device according to claim 1, which is characterized in that the air inlet be set to the babinet into
The end face or/and side at gas end；The shape of the air inlet is grid-like or circular hole.
4. jet stream induced draught device according to claim 1, which is characterized in that the nozzle is respectively arranged at the babinet
The lower part of the end face of outlet side and two opposite flanks.
5. according to any one of the claim 1-4 jet stream induced draught devices, which is characterized in that the first jet, described
The axis of second nozzle and the third nozzle in the same plane, and the axis weight of the second nozzle and the third nozzle
It closes, the axis of the first jet is vertical with the second nozzle and the axis of third nozzle.
6. according to any one of the claim 1-4 jet stream induced draught devices, which is characterized in that the first jet, described
The axis of second nozzle and the third nozzle in the same plane, and the axis of the second nozzle and the third nozzle point
Axis not with the first jet is at 30-60 °.
7. a kind of jet-influenced area, which is characterized in that the jet-influenced area includes：Pressure fan, exhaust blower,
Multiple jet stream induced draught devices as described in any one of claim 1-6；The jet-influenced area is installed on relatively
Top in confined space, opposite confined space are equipped with air inlet and exhaust outlet, and the pressure fan, institute is arranged in the air inlet
It states and the exhaust blower is set at exhaust outlet；Multiple jet stream induced draught devices are corresponding at array head and the tail and set at certain intervals
Multiple air-flow flows are set and are formed, the air-flow flow is entered the wind by the pressure fan and by the exhaust blower air draft.
8. jet-influenced area according to claim 7, which is characterized in that the pressure fan and the exhaust blower are pairs of
Linea angulata arrangement,
Compared to the outlet side of the jet stream induced draught device, the inlet end is close to the pressure fan.
9. jet-influenced area according to claim 8, which is characterized in that the quantity of the jet stream induced draught device is pressed
1/30~50m2Setting；Spacing≤8m of the nozzle of the adjacent jet stream induced draught device side by side, the adjacent jet stream of head and the tail
Spacing≤10m of the nozzle of induced draught device.
10. jet-influenced area according to claim 8, which is characterized in that the number of the jet-influenced area
Amount presses formula determination：Jet-influenced area quantity >=opposite confined space construction area/2500m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697268.0U CN207674669U (en) | 2017-12-08 | 2017-12-08 | Jet stream induced draught device and ventilating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697268.0U CN207674669U (en) | 2017-12-08 | 2017-12-08 | Jet stream induced draught device and ventilating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207674669U true CN207674669U (en) | 2018-07-31 |
Family
ID=62968714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721697268.0U Active CN207674669U (en) | 2017-12-08 | 2017-12-08 | Jet stream induced draught device and ventilating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207674669U (en) |
-
2017
- 2017-12-08 CN CN201721697268.0U patent/CN207674669U/en active Active
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