CN209623022U - A kind of laminar flow air curtain type air draft cabinet of external air quantity supply - Google Patents
A kind of laminar flow air curtain type air draft cabinet of external air quantity supply Download PDFInfo
- Publication number
- CN209623022U CN209623022U CN201822219891.6U CN201822219891U CN209623022U CN 209623022 U CN209623022 U CN 209623022U CN 201822219891 U CN201822219891 U CN 201822219891U CN 209623022 U CN209623022 U CN 209623022U
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- cabinet
- baffle
- laminar flow
- air
- curtain type
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Abstract
The utility model discloses a kind of laminar flow air curtain type air draft cabinets of external air quantity supply, including cabinet, and described cabinet one end is fixedly connected with escape pipe and secondary air channel, and secondary air channel is placed in above escape pipe.Gas enters in cabinet from operation port and secondary air channel in the utility model, air curtain at one is formed at operation port, near air curtain, secondary air channel, which forms operation port, to be impacted, and plays the effect of air scour, after the completion of operation, the clean operation arm of certain time can be stopped in operation port, preferably completion contamination control and pollution separation, due to the separation of contamination control gas, can be preferably energy saving, the energy consumption of the energy that can be saved decline 20% compared with to mark product；The utility model mends wind structure using separate type, gas medium can be preferably managed, and the utility model use scope is extensive, mainly for the scene of the exigent heavily contaminated of contamination control.
Description
Technical field
The utility model relates to a kind of air draft cabinet, in particular to a kind of laminar flow air curtain type exhaust blower of external air quantity supply
Cabinet belongs to air draft abinet technical fields.
Background technique
In clean engineering especially bio-pharmaceuticals operation and laboratory, the requirement to contamination control is higher and higher, air curtain
Type air draft cabinet forms pollutant and the barrier of operator by air curtain, forms laminar flow isolation.In general laminar flow air curtain
In, usual Practical Experiment room perhaps operation room internal gas flow supply and the air-flow of operation room or laboratory internal is by cleaning
It is required that, and the gas as contamination control is then the gas properties for having different demands, both sides separates point for gas
Class be it is necessary, especially, when demand in laboratory is higher than the gas of contamination control demand in cabinet, the row of being independently supplied
Fan cabinet is with regard to particularly necessary.
Therefore, the air draft cabinet that pollution can be controlled, and can be independently supplied air-flow by designing one kind is high pollution control
The inevitable requirement of cabinet.
Utility model content
The purpose of this utility model is to provide a kind of laminar flow air curtain type air draft cabinets of external air quantity supply, using separation
Formula mends wind structure, can preferably manage gas medium, and use scope is extensive, exigent heavy mainly for contamination control
The scene of pollution.
In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of laminar flow air curtain of external air quantity supply
Type air draft cabinet, including cabinet, described cabinet one end is fixedly connected with escape pipe and secondary air channel, and secondary air channel is placed on escape pipe
Side, the cabinet deviate from the bottomless setting in one end of escape pipe and secondary air channel, and the cabinet upper end offers operation port, the cabinet
Inside is fixedly connected with second baffle, and the second baffle is fixedly connected with first baffle close to one end of secondary air channel.
The preferred embodiment of above scheme are as follows: the second baffle lower end surface is not in contact with box house bottom end.
The preferred embodiment of above scheme are as follows: the first baffle is obliquely installed, and the first baffle is away from second baffle
One end is fixedly connected on cabinet wall, and is placed between escape pipe and secondary air channel.
The preferred embodiment of above scheme are as follows: the first baffle and second baffle two side ends are fixed with box inside wall and connected
It connects.
The preferred embodiment of above scheme are as follows: the first baffle end face offers the bar shaped exhaust vent of six strip arrays distribution.
The preferred embodiment of above scheme are as follows: the second baffle end face offers the bar shaped outlet air of 12 strip arrays distribution
Hole.
The preferred embodiment of above scheme are as follows: the second baffle is not contacted close to one end of secondary air channel with cabinet wall.
The preferred embodiment of above scheme are as follows: the cabinet upper end is provided with interlayer by partition, and interlayer is placed in operation port
Side, the interlayer side wall is fixedly installed with sliding rail, and is slidably fitted with Boiler pressure control plate by sliding rail in interlayer.
Compared with prior art, the utility model has the beneficial effects that
The utility model can make the better effect of the air curtain of gas, pollution control by the air quantity that secondary air channel is fed automatically
Rate processed reaches 99.9%；
Gas is run in the interlayer between second baffle and cabinet wall as a laminar flow in the utility model, due to
It has used the laminar flow of aerodynamics to design, single one-way flow is formd in box house, overall structure is stablized, and operates in personnel
Overall gas robustness is fabulous in engineering；
Gas enters in cabinet from operation port and secondary air channel in the utility model, forms air curtain at one, In at operation port
Near air curtain, secondary air channel, which forms operation port, to be impacted, and the effect of air scour is played, can be in operation port after the completion of operation
The clean operation arm of certain time is stopped, preferably completion contamination control and pollution separation, due to point of contamination control gas
From, it can be preferably energy saving, the energy consumption of the energy that can be saved decline 20% compared with to mark product；
The utility model mends wind structure using separate type, can preferably manage gas medium, and the utility model uses
It is in extensive range, mainly for the scene of the exigent heavily contaminated of contamination control.
Detailed description of the invention
Fig. 1 is the perspective view at the isometric visual angle in the southeast of the utility model；
Fig. 2 is the perspective view at the isometric visual angle in northeast of the utility model.
In figure: 1- operation port, 2- cabinet, 3- escape pipe, 4- secondary air channel, 5- first baffle, 6- second baffle.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figs. 1-2, the laminar flow air curtain type air draft cabinet of a kind of external air quantity supply of the present embodiment, including cabinet 2,
2 one end of cabinet is fixedly connected with escape pipe 3 and secondary air channel 4, and secondary air channel 4 is placed in 3 top of escape pipe, and cabinet 2 deviates from escape pipe 3
With the bottomless setting in one end of secondary air channel 4,2 upper end of cabinet offers operation port 1, second baffle 6 is fixedly connected with inside cabinet 2,
Second baffle 6 is fixedly connected with first baffle 5 close to one end of secondary air channel 4.
Wherein, 6 lower end surface of second baffle is not in contact with 2 inner bottom of cabinet, the pressure of the gas in air structure and
Outlet air position, so that gas is run in the interlayer between 2 inner wall of second baffle 6 and cabinet as a laminar flow, and by outlet
Pipe 3, which is sent out, achievees the purpose that air draft.
Wherein, first baffle 5 is obliquely installed, and first baffle 5 is fixedly connected in cabinet 2 away from one end of second baffle 6
Wall, and be placed between escape pipe 3 and secondary air channel 4, facilitate the discharge of gas.
Wherein, first baffle 5 and 6 two side ends of second baffle are fixedly connected with 2 inner sidewall of cabinet, good fixing effect.
Wherein, 5 end face of first baffle offers the bar shaped exhaust vent of six strip arrays distribution, forms outlet air flow-guiding structure,
Gas is facilitated to be discharged by escape pipe 3.
Wherein, 6 end face of second baffle offers the bar shaped exhaust vent of 12 strip arrays distribution, and outlet air diversion effect is good.
Wherein, second baffle 6 is not contacted close to one end of secondary air channel 4 with 2 inner wall of cabinet, facilitates the process of gas.
Wherein, 2 upper end of cabinet is provided with interlayer by partition, and interlayer is placed in 1 side of operation port, the fixed peace of interlayer side wall
Boiler pressure control plate is slidably fitted with by sliding rail equipped with sliding rail, and in interlayer, by controlling the sliding of Boiler pressure control plate, can be controlled
The intake of operation port 1 processed.
In conclusion a kind of laminar flow air curtain type air draft cabinet of external air quantity supply provided by the utility model, cabinet 2
Away from one end of escape pipe 3 and secondary air channel 4, fixed placement, gas enter in cabinet 2 from operation port 1 and secondary air channel 4, are grasping downward
Make to form air curtain at one at mouth 1, the workspace air-flow near operation port 1 is combined with the self-priming air-flow of secondary air channel 4, forms a list
To air flow structure, the bar shaped aperture on first baffle 5 and second baffle 6 forms an outlet air flow-guiding structure, and air-flow is passing through
It is out-of-date, the vortex of a very little is formed, is controlled in controlled range, to this vortex is become smaller, adjustable bar shaped aperture
Size adjust, the pressure of the gas in air structure and outlet air position, so that gas is as a laminar flow in second baffle 6
It is run in interlayer between 2 inner wall of cabinet, and is sent out by escape pipe 3 and achieve the purpose that air draft；It is required to contamination control
Lower scene can suitably increase the quantity of bar shaped aperture, reduce the efficiency of escape pipe 3；It is more demanding in contamination control
Region can increase disengaging gloves at operation port 1, form physical isolation, while the secondary air channel 4 entered the wind is converted directly into completely
Air inlet.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (8)
1. a kind of laminar flow air curtain type air draft cabinet of external air quantity supply, including cabinet (2), it is characterised in that: the cabinet (2)
One end is fixedly connected with escape pipe (3) and secondary air channel (4), and secondary air channel (4) is placed in above escape pipe (3), cabinet (2) back
The bottomless setting in one end of tracheae (3) and secondary air channel (4) is separated out, cabinet (2) upper end offers operation port (1), the cabinet
(2) internal to be fixedly connected with second baffle (6), the second baffle (6) is fixedly connected with first close to the one end of secondary air channel (4)
Baffle (5).
2. a kind of laminar flow air curtain type air draft cabinet of external air quantity supply according to claim 1, it is characterised in that: described
Second baffle (6) lower end surface is not in contact with cabinet (2) inner bottom.
3. a kind of laminar flow air curtain type air draft cabinet of external air quantity supply according to claim 1, it is characterised in that: described
First baffle (5) is obliquely installed, and the first baffle (5) is fixedly connected in cabinet (2) away from the one end of second baffle (6)
Wall, and be placed between escape pipe (3) and secondary air channel (4).
4. a kind of laminar flow air curtain type air draft cabinet of external air quantity supply according to claim 1, it is characterised in that: described
First baffle (5) and second baffle (6) two side ends are fixedly connected with cabinet (2) inner sidewall.
5. a kind of laminar flow air curtain type air draft cabinet of external air quantity supply according to claim 1, it is characterised in that: described
First baffle (5) end face offers the bar shaped exhaust vent of six strip arrays distribution.
6. a kind of laminar flow air curtain type air draft cabinet of external air quantity supply according to claim 1, it is characterised in that: described
Second baffle (6) end face offers the bar shaped exhaust vent of 12 strip arrays distribution.
7. a kind of laminar flow air curtain type air draft cabinet of external air quantity supply according to claim 1, it is characterised in that: described
Second baffle (6) is not contacted close to the one end of secondary air channel (4) with cabinet (2) inner wall.
8. a kind of laminar flow air curtain type air draft cabinet of external air quantity supply according to claim 1, it is characterised in that: described
Cabinet (2) upper end is provided with interlayer by partition, and interlayer is placed in operation port (1) side, and the interlayer side wall is fixedly installed with
Sliding rail, and Boiler pressure control plate is slidably fitted with by sliding rail in interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822219891.6U CN209623022U (en) | 2018-12-27 | 2018-12-27 | A kind of laminar flow air curtain type air draft cabinet of external air quantity supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822219891.6U CN209623022U (en) | 2018-12-27 | 2018-12-27 | A kind of laminar flow air curtain type air draft cabinet of external air quantity supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209623022U true CN209623022U (en) | 2019-11-12 |
Family
ID=68447419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822219891.6U Expired - Fee Related CN209623022U (en) | 2018-12-27 | 2018-12-27 | A kind of laminar flow air curtain type air draft cabinet of external air quantity supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209623022U (en) |
-
2018
- 2018-12-27 CN CN201822219891.6U patent/CN209623022U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20211227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |