CN208527643U - A kind of laboratory hood air guide structure and laboratory hood - Google Patents
A kind of laboratory hood air guide structure and laboratory hood Download PDFInfo
- Publication number
- CN208527643U CN208527643U CN201820859642.0U CN201820859642U CN208527643U CN 208527643 U CN208527643 U CN 208527643U CN 201820859642 U CN201820859642 U CN 201820859642U CN 208527643 U CN208527643 U CN 208527643U
- Authority
- CN
- China
- Prior art keywords
- spoiler
- air
- guide plate
- plate
- wind deflector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003517 fume Substances 0.000 claims description 28
- 230000000903 blocking effect Effects 0.000 claims description 22
- 238000009423 ventilation Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a kind of laboratory hood air guide structure and laboratory hood, and laboratory hood air guide structure includes operation cabinet body, wind deflector, spoiler, has opening on front side of operation cabinet body, upside is equipped with air supply duct；Wind deflector includes upper and lower wind deflector, and the left and right sides of upper wind deflector is fixedly installed in the left and right side plate of operation cabinet body respectively, and lower wind deflector is downwardly extending by upper wind deflector；Spoiler, including upper and lower spoiler, upper spoiler and upper wind deflector interval are arranged and are located at the front side of upper wind deflector；Wherein, be laid with upper restricted orifice of multiple apertures from the upper end of upper wind deflector to lower end in gradually small setting on upper wind deflector, on upper and lower spoiler it is uniformly distributed have multiple exhaust vent is arranged in a staggered manner with upper and lower restricted orifice.Technical solutions of the utility model can guarantee the uniform ventilation of laboratory hood operation cabinet physical efficiency.
Description
Technical Field
The utility model relates to a laboratory paraphernalia field, in particular to laboratory fume chamber wind-guiding structure and laboratory fume chamber.
Background
The existing ventilation cabinet has the advantages that due to the fact that the installation mode of the air guide sleeve is improper, the ventilation cabinet is enabled to be internally and unevenly air-exhausted, the air quantity of the upper portion of the ventilation cabinet is large, the air quantity of the lower portion of the ventilation cabinet is small, the problem that the air quantity in the ventilation cabinet is uneven can be better solved in the mode, and the air quantity in the ventilation cabinet is uniform.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a laboratory fume chamber wind-guiding structure and laboratory fume chamber, aim at solving current fume chamber because the kuppe mounting means is improper in inside, make the inside inhomogeneous problem of airing exhaust of fume chamber.
In order to achieve the above object, the utility model provides a laboratory fume chamber wind-guiding structure, include:
the upper end of the operation cabinet body is provided with an air supply pipeline, and the front side of the operation cabinet body is provided with an opening;
the air guide plate comprises an upper air guide plate and a lower air guide plate, the left side and the right side of the upper air guide plate are fixedly arranged on the inner side surfaces of the left side plate and the right side plate of the operation cabinet body respectively, the rear side surface of the upper air guide plate, the left side plate, the right side plate and the rear side plate of the cabinet body jointly enclose an air supply channel with a wide upper part and a narrow lower part, and the lower air guide plate is formed by extending the lower end of the upper air guide plate downwards;
the spoiler comprises an upper spoiler and a lower spoiler, the upper spoiler and the upper air deflector are arranged at intervals and positioned at the front side of the upper air deflector, and the lower spoiler is formed by extending the upper spoiler downwards and positioned at the front side of the lower air deflector; wherein,
the upper air deflector is uniformly provided with a plurality of upper flow blocking holes, the aperture of each upper flow blocking hole is gradually reduced from the upper end to the lower end of the upper air deflector, a plurality of lower flow blocking holes with the same aperture are uniformly arranged on the lower air deflector, a plurality of air outlet holes are uniformly distributed on the upper air deflector and the lower air deflector, and the air outlet holes are staggered with the upper flow blocking holes and the lower flow blocking holes.
Preferably, the interval distance between the spoiler and the air deflector is 5-7 cm.
Preferably, a supporting plate is arranged between the spoiler and the air guide plate, and two ends of the supporting plate are detachably connected with two opposite surfaces of the spoiler and the air guide plate respectively.
Preferably, the plurality of air outlet holes are all arranged in a tapering manner from the front side to the rear side of the spoiler.
The utility model discloses further provide a laboratory fume chamber, laboratory fume chamber includes laboratory fume chamber wind-guiding structure, laboratory fume chamber wind-guiding structure includes:
the front side of the operation cabinet body is provided with an opening, and the upper end of the operation cabinet body is provided with an air supply pipeline;
the air guide plate comprises an upper air guide plate and a lower air guide plate, the left side and the right side of the upper air guide plate are fixedly arranged on the inner side surfaces of the left side plate and the right side plate of the operation cabinet body respectively, the rear side surface of the upper air guide plate, the left side plate, the right side plate and the rear side plate of the cabinet body jointly enclose an air supply channel with a wide upper part and a narrow lower part, and the lower air guide plate is formed by extending the lower end of the upper air guide plate downwards;
the spoiler comprises an upper spoiler and a lower spoiler, the upper spoiler and the upper air deflector are arranged at intervals and positioned at the front side of the upper air deflector, and the lower spoiler is formed by extending the upper spoiler downwards and positioned at the front side of the lower air deflector; wherein,
the upper air deflector is uniformly provided with a plurality of upper flow blocking holes, the aperture of each upper flow blocking hole is gradually reduced from the upper end to the lower end of the upper air deflector, a plurality of lower flow blocking holes with the same aperture are uniformly arranged on the lower air deflector, a plurality of air outlet holes are uniformly distributed on the upper air deflector and the lower air deflector, and the air outlet holes are staggered with the upper flow blocking holes and the lower flow blocking holes.
The utility model discloses among the technical scheme, through setting up aviation baffle and spoiler, the aviation baffle divide into aviation baffle and lower aviation baffle, goes up and sets up the choked flow hole that aperture gradually increases on the aviation baffle from top to bottom, evenly sets up the lower choked flow hole that the aperture is the same on the lower aviation baffle for each part air output evenly distributed of whole spoiler, set up the exhaust vent staggered with each choked flow hole on the spoiler, further make air-out evenly distributed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of an embodiment of an air guide structure of a laboratory fume hood according to the present invention;
FIG. 2 is a simplified schematic side cross-section of FIG. 1;
FIG. 3 is a perspective view of the air deflection plate and air dam of FIG. 2 shown assembled;
FIG. 4 is a perspective view of the wind deflector of FIG. 1;
FIG. 5 is a perspective view of the spoiler of FIG. 1.
The reference numbers illustrate:
| name (R) | Reference numerals | Name (R) | Reference numerals |
| Operation cabinet body | 1 | Air supply duct | 2 |
| Air deflector | 3 | Upper air deflector | 31 |
| Upper choked flow hole | 311 | Lower air deflector | 32 |
| Lower choked flow hole | 321 | Spoiler | 4 |
| Upper spoiler | 41 | Air outlet | 411 |
| Lower spoiler | 42 | Supporting plate | 5 |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a laboratory fume chamber wind-guiding structure and laboratory fume chamber aims at solving the inhomogeneous problem of the inside amount of wind of current experiment fume chamber. Fig. 1 to 5 show an embodiment of an air guiding structure of a laboratory fume hood according to the present invention.
Referring to fig. 1 to 5, the air guide structure of the laboratory ventilation hood comprises an operation cabinet body 1, an air guide plate 3 and a spoiler 4, wherein the front side of the operation cabinet body 1 is provided with an opening, and the upper side of the operation cabinet body is provided with an air supply pipeline 2; the air deflector 3 comprises an upper air deflector 31 and a lower air deflector 32, the left side and the right side of the upper air deflector 31 are respectively and fixedly installed on the inner side surfaces of the left side plate and the right side plate of the operation cabinet body 1, the rear side surface of the upper air deflector 31 and the left side plate, the right side plate and the rear side plate of the cabinet body 1 jointly enclose an air supply channel with a wide upper part and a narrow lower part, and the lower air deflector 32 is formed by downward extending of the lower end of the upper air deflector 31; the spoiler 4 comprises an upper spoiler 41 and a lower spoiler 42, the upper spoiler 41 is spaced apart from the upper air deflector 31 and is positioned at the front side of the upper air deflector 31, and the lower spoiler 42 is formed by extending the lower part of the upper spoiler 41 and is positioned at the front side of the lower air deflector 32; the upper air deflector 31 is uniformly provided with a plurality of upper flow blocking holes 311, the aperture of each upper flow blocking hole 311 is gradually reduced from the upper end to the lower end of the upper air deflector 31, the lower air deflector 32 is uniformly provided with a plurality of lower flow blocking holes 321 with the same aperture, the upper flow blocking plate 41 and the lower flow blocking plate 42 are uniformly provided with a plurality of air outlet holes 411, and each air outlet hole 411 is staggered with the upper flow blocking hole 311 and the lower flow blocking holes 321.
When the experimental ventilation cabinet is used, clean air is fed into the inner side of the upper air deflector 31 of the operation cabinet body 1 by the air feeding pipeline 2, the aperture of the upper choked flow hole 311 of the upper air deflector 31 is gradually increased from top to bottom, so that the air fed into the upper air deflector 31 and gradually weakened can output the same air quantity, the hole size corresponds to a part with large air pressure, the diameter of the upper choked flow hole 311 on the upper air deflector 31 is increased along with the reduction of the air pressure, so that the air output from each upper choked flow hole 311 is the same, the space formed by the lower choked flow plate 42 in the operation cabinet body 1 is smaller, the air pressure corresponding to the lower choked flow plate 42 is similar to the lower end of the upper choked flow plate 41, and the lower choked flow hole 321 with the same size is arranged in the lower choked flow hole 42, so that the air quantity of each lower; the spoiler 4 is provided with the exhaust vent 411 with each spoiler hole staggeredly for wind energy through each spoiler hole is evenly discharged from each exhaust vent 411 after the speed reduction of the inboard aporate department of spoiler 4, makes the even air-out of lower part in the upper and middle of experiment fume hood body.
Referring to fig. 2 and 3, in order to buffer the airflow passing through the air deflector 3, the distance between the air deflector 4 and the air deflector 3 is 5-7cm, which does not occupy too much space, and ensures that the airflow passing through each baffle hole is not directly discharged from the air outlet 411, but is decelerated by the air deflector 4 and then discharged through the air outlet 411.
Specifically, as shown in fig. 3, a supporting plate 5 is disposed between the spoiler 4 and the air guiding plate 3, and two ends of the supporting plate 5 are detachably connected to two opposite surfaces of the spoiler 4 and the air guiding plate 3, so that the stability of the air guiding plate 3 and the spoiler 4 is enhanced, and the disassembly and assembly are convenient.
Referring to fig. 5, the air outlets 411 are all arranged in a gradually shrinking manner from the outer side to the inner side of the spoiler 4, so that the outlet air is discharged from the end with the larger diameter after being decelerated by the end with the smaller diameter of the air outlet 411, and the discharged air is relatively gentle.
The utility model discloses still provide a laboratory fume chamber (not shown), the laboratory fume chamber includes foretell laboratory fume chamber wind-guiding structure, the concrete structure of laboratory fume chamber wind-guiding structure refers to above-mentioned embodiment, because this laboratory fume chamber has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a laboratory fume chamber wind-guiding structure which characterized in that includes:
the upper end of the operation cabinet body is provided with an air supply pipeline, and the front side of the operation cabinet body is provided with an opening;
the air guide plate comprises an upper air guide plate and a lower air guide plate, the left side and the right side of the upper air guide plate are fixedly arranged on the inner side surfaces of the left side plate and the right side plate of the operation cabinet body respectively, the rear side surface of the upper air guide plate, the left side plate, the right side plate and the rear side plate of the cabinet body jointly enclose an air supply channel with a wide upper part and a narrow lower part, and the lower air guide plate is formed by extending the lower end of the upper air guide plate downwards;
the spoiler comprises an upper spoiler and a lower spoiler, the upper spoiler and the upper air deflector are arranged at intervals and positioned at the front side of the upper air deflector, and the lower spoiler is formed by extending the upper spoiler downwards and positioned at the front side of the lower air deflector; wherein,
the upper air deflector is uniformly provided with a plurality of upper flow blocking holes, the aperture of each upper flow blocking hole is gradually reduced from the upper end to the lower end of the upper air deflector, a plurality of lower flow blocking holes with the same aperture are uniformly arranged on the lower air deflector, a plurality of air outlet holes are uniformly distributed on the upper air deflector and the lower air deflector, and the air outlet holes are staggered with the upper flow blocking holes and the lower flow blocking holes.
2. The laboratory fumehood air deflection structure of claim 1 wherein said spoiler and said air deflection plate are spaced apart a distance of 5-7 cm.
3. The laboratory fume hood wind guide structure according to claim 1, wherein a support plate is disposed between the spoiler and the wind guide plate, and both ends of the support plate are detachably connected to two opposite surfaces of the spoiler and the wind guide plate, respectively.
4. The laboratory fumehood air guiding structure of claim 1 wherein each of said plurality of air outlet openings is tapered from a front side to a rear side of said spoiler.
5. A laboratory fume hood comprising the laboratory fume hood wind guide structure according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820859642.0U CN208527643U (en) | 2018-06-04 | 2018-06-04 | A kind of laboratory hood air guide structure and laboratory hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820859642.0U CN208527643U (en) | 2018-06-04 | 2018-06-04 | A kind of laboratory hood air guide structure and laboratory hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208527643U true CN208527643U (en) | 2019-02-22 |
Family
ID=65381133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820859642.0U Active CN208527643U (en) | 2018-06-04 | 2018-06-04 | A kind of laboratory hood air guide structure and laboratory hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208527643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809581A (en) * | 2020-07-01 | 2020-10-23 | 河海大学 | Protruding type baffle waterwheel energizer with gradually dense hole |
-
2018
- 2018-06-04 CN CN201820859642.0U patent/CN208527643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809581A (en) * | 2020-07-01 | 2020-10-23 | 河海大学 | Protruding type baffle waterwheel energizer with gradually dense hole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208527643U (en) | A kind of laboratory hood air guide structure and laboratory hood | |
| CN113894025A (en) | Wide-width porous tuyere structure | |
| CN208398459U (en) | A kind of air channel structure and its automatic vending machine for cabinet body | |
| CN211550083U (en) | Air supply device | |
| US4516483A (en) | Air blowing device | |
| CN210532970U (en) | Main air knife and air knife assembly for glass cleaning dryer | |
| CN216500488U (en) | Wide-width porous tuyere structure | |
| CN210357918U (en) | Airfoil nozzle for oven | |
| US4537118A (en) | Flow distributor | |
| CN112493878B (en) | Cooking device | |
| CN210662976U (en) | Range hood slit air curtain structure and range hood | |
| CN213109804U (en) | Air supply device and ventilation system with same | |
| CN211550077U (en) | Air duct component for air supply device and air supply device | |
| CN208401457U (en) | Ventilation cooling type cable testing bridge | |
| CN217963359U (en) | Accuse wind mechanism and drying device | |
| CN215002035U (en) | Water mist dispersing structure of mist-free humidifier | |
| CN214509927U (en) | Accessory of hair styling appliance | |
| CN210832264U (en) | Wall-mounted air conditioner indoor unit and air conditioner | |
| CN109720366B (en) | Air conditioner air duct of railway vehicle and railway vehicle | |
| JP6837191B2 (en) | Blower | |
| CN106352516B (en) | Variable air volume terminal and air conditioner | |
| CN218955017U (en) | Ceiling machine of two-sided even air-out | |
| CN219745425U (en) | Uniform air box of coating film drying equipment | |
| CN210601936U (en) | Air conditioner indoor unit and air conditioner | |
| CN212619229U (en) | Air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430000 building 26, area a, Huading Industrial Park, Hannan Economic Development Zone, Wuhan City, Hubei Province Patentee after: Buffet Environmental Technology Co.,Ltd. Address before: 430000 building 26, area a, Huading Industrial Park, Hannan Economic Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN BOFEITE LABORATORY EQUIPMENT Co.,Ltd. |