CN207196802U - A kind of ventilation equipment - Google Patents

Abstract

The utility model provides a kind of ventilation equipment, including cabinet and form, cabinet has the open front opened wide to cabinet external environment condition, form is used for open or close open front, cabinet inner chamber forms working chamber, one end away from form is provided with exhaust outlet on cabinet roof, form tilts to the direction of cabinet rear wall, make the top of form relative to the plane where the bottom closer to cabinet rear wall of form, the angle of form and vertical direction is 3~10 °, by being directly obliquely installed form, the breathing zone of operating personnel on the one hand can be made away from ventilation equipment；On the other hand the air-swirl in the region of form at the top of working chamber can be reduced, pernicious gas is easier to discharge from exhaust outlet；Air-swirl in the region can also be made to working chamber medial movement, farther away from operating personnel, preferably protect the breathing zone of operating personnel；In addition, form is obliquely installed, field range is expanded, meets ergonomic designs, adds the comfortableness used.

Description

A kind of ventilation equipment

Technical field

A kind of ventilation equipment are the utility model is related to, are a kind of ventilation equipment for having and tilting form specifically.

Background technology

Ventilation equipment are an indispensable parts in Design of ventilation, have in industry and life and widely should With.For example the factory building of poisonous and harmful particulate matter gas is produced in industrial production, the biological and chemical laboratory of research and development institution, cook The occasions such as the kitchen of oil smoke are produced when preparing food, can all produce various pernicious gas, foul smell, moisture and inflammable, explosive, corrosion Property material, in order that operating personnel are not sucked or swallowed into the not clear chemical substance of some poisonous, can causing a disease or toxicity and had Body, generally it is required for being equipped with more ventilation equipment in above-mentioned place.Most important act on is exactly in the function of ventilation equipment Pernicious gas is discharged, protects the health of operating personnel, this requires ventilation equipment to have excellent exhaust performance, i.e., can be efficient The poisonous, harmful of inside, odor gas are excluded outdoor by ground, and it is reverse inside ventilation equipment can also effectively to suppress pernicious gas In flowed into chamber.

In the prior art many improvement, such as bibliography 1 have been done for how to improve the exhaust performance of ventilation equipment (CN204503733U) disclosed in it is a kind of mend the more preferable vent cabinet of wind drainage effect, its drip irrigation device be include cabinet with Operating room in cabinet, air inlet, air outlet and sliding door are provided with cabinet, wind-supplying mouth, cabinet position are provided with cabinet Air inlet is provided with conduction part, conduction part is oppositely arranged with wind-supplying mouth, and conduction part includes being used to guide air-flow into operating room The internal drainage face in bending.By such scheme, wind-supplying mouth is located at the front upper side of vent cabinet, can be in face of operating personnel A top-down air curtain is formed, when the air-flow of air curtain blows to table top bottom, the drainage face guiding air flow direction room of conduction part It is interior, prevent air-flow strike from producing shunting on table top bottom, get in, effectively prevent that pernicious gas is directly to behaviour in vent cabinet Make personnel and produce infringement, and then take the pernicious gas in vent cabinet to the external world out of.Although pass through setting in the technical scheme Conduction part avoids shunting, but the cabinet top in this vent cabinet is vertically arranged with form, and both are connected the area of near sites The wind-force that domain is subject to is smaller, is typically easy to form air-swirl, and toxic and harmful gas is difficult to discharge from air outlet in time, easily overflow Go out to damage the health of operating personnel.

Further, one kind is provided in bibliography 2 (CN106140769A) can reduce air conditioning energy consumption, suppress working chamber The overflow of interior harmful substance, and installation cost is low and vent cabinet that the uniformity of product quality is high, including：Cabinet, the cabinet Inner chamber forms working chamber, and antetheca forms the unlimited open front of oriented indoor environment；Air-makeup system, the air-makeup system and building Mend wind passage connection, to working chamber mend wind；And exhaust system, the air exhaust passage connection of the exhaust system and building will The air for entering the air of working chamber by open front and entering working chamber by air-makeup system is discharged from working chamber, air-makeup system Respectively there is at least one wind-supplying mouth in the upper and lower part of cabinet, the wind-supplying mouth is provided with towards blowing in working chamber above cabinet Top module, the benefit wind blower fan of air-makeup system is installed in top module and mends air valve, and the air draft of exhaust system Blower fan and valve for air exhaust, 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.The technical side Further can effectively it be reduced at the top of form and cabinet by setting sloping top walls in side of the cabinet away from air draft region in case The air-swirl of adjacent area, the possibility that pernicious gas overflows is reduced, but had for this vertical form, operating personnel's distance The vortex of evil gas is nearer, once harmful substance sheds, is extremely possible to damage the health of operating personnel.

Therefore it provides a kind of leakage-preventing effect is more preferable, safer ventilation equipment turn into this area technology urgently to be resolved hurrily Problem.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of more preferable, the safer ventilation equipment of leakage-preventing effect.

In order to solve the above technical problems, the utility model provides a kind of ventilation equipment, including cabinet and form, cabinet tool The unlimited open front of oriented cabinet external environment condition, form are used for open or close open front, and cabinet inner chamber forms working chamber, cabinet One end away from form is provided with exhaust outlet on roof, direction inclination of the form to cabinet rear wall, make the top of form relative to regarding The angle of plane where the bottom of window closer to cabinet rear wall, form and vertical direction is 3~10 °.

Further, the angle of form and vertical direction is 4~8 °.

Further, it is provided with cabinet roof close to one end of form and mends wind entrance, mends wind entrance connection working chamber and cabinet The outside of body.

Further, ventilation equipment also include the front apron on the inside of form, are formed between form and front apron and mend wind Passage, mend wind passage one end are connected with mending wind entrance, the other end of mend wind passage to mend wind outlet, air outside cabinet from Mend wind entrance and enter mend wind passage, then flowed into via the benefit wind outlet in working chamber.

Further, front apron tilts to the direction of cabinet rear wall, makes the top of front apron relative to the bottom of front apron Plane closer to where cabinet rear wall, and the angle of front apron and vertical direction is more than the angle of form and vertical direction, makes The width for obtaining mend wind passage is gradually reduced from top to bottom.

Further, the angle of front apron and vertical direction is 8~25 °.

Further, the width of mend wind passage minimum position and the width ratio of working chamber bottom surface are (5~15)：100.

Further, the side away from form is additionally provided with deflector in working chamber, and deflector is divided into upper, middle and lower segment Deflector, wherein, hypomere deflector is located at the bottom of working chamber, and vertically sets, and is provided with hypomere deflector multiple ventilative Through hole；Stage casing deflector is arranged at the top of hypomere deflector, and stage casing deflector tilts to the direction of cabinet rear wall, leads stage casing The top of flowing plate is relative to the plane where the bottom closer to cabinet rear wall of stage casing deflector；Epimere deflector is arranged at stage casing The top of deflector, epimere deflector tilt to the opposite direction of cabinet rear wall, make the top of epimere deflector relative to epimere Plane where the bottom of deflector further from cabinet rear wall, the row of being surrounded by between three sections of deflectors and cabinet rear wall and roof Wind passage, be interconnected with the exhaust outlet positioned at cabinet roof at the top of air exhaust passage, between three sections of deflectors, three sections of deflectors and It is provided with gap between cabinet inwall, the air-flow in working chamber flows into air exhaust passage by ventilative through hole and gap, then through row Discharge in air port.

In summary, the ventilation equipment in the utility model, by being directly obliquely installed form, behaviour can on the one hand be made The breathing zone for making personnel is more preferable away from ventilation equipment, ventilation equipment safety；On the other hand can reduce at the top of working chamber Air-swirl in the region of form, pernicious gas are easier to discharge from exhaust outlet, can also make the air in the region It is vortexed to working chamber medial movement, pernicious gas and more away from operating personnel, preferably protects the breathing of operating personnel Band；In addition, form is obliquely installed, operating personnel can more fully observe the laboratory apparatus in working chamber, expand Field range；And the setting for tilting form meets ergonomic designs, the comfortableness used is added.

Brief description of the drawings

The utility model is described in further detail with reference to the accompanying drawings and detailed description：

Fig. 1 is the dimensional structure diagram of ventilation equipment provided by the utility model；

Fig. 2 is that the side view simplification of internal structure of the ventilation equipment provided by the utility model under form open mode is shown It is intended to；

Fig. 3 is that the side view simplification of internal structure of the ventilation equipment provided by the utility model under form closed mode is shown It is intended to；

Fig. 4 is ventilation equipment internal structure schematic diagram provided by the utility model.

Element numbers are as follows：

110- forms

121- roofs

122- bottom walls

123- side walls

124- rear walls

Covered on 125-

130- exhaust outlets

140- working chambers

151- mends wind entrance

152- front aprons

153- mend wind passages

154- mends wind outlet

161- hypomere deflectors

162- ventilative through holes

163- stage casings deflector

164- epimere deflectors

165- air exhaust passages

166- gaps

Embodiment

Presently in connection with accompanying drawing, better embodiment of the present utility model is discussed in detail.Although description of the present utility model will Introduced together with reference to each embodiment, but this feature for not representing this utility model is only limitted to the several embodiments.Just Just on the contrary, being to be had to cover based on claim of the present utility model with reference to the purpose that embodiment makees utility model introduction The other selections or transformation that may extend.Depth of the present utility model is understood in order to provide, will include and be permitted in describing below More concrete details.The utility model can also be implemented without using these details.In addition, in order to avoid this chaotic or fuzzy practicality New emphasis, some details will be omitted in the de-scription.

" on ", " under ", "left", "right", " top ", " bottom ", are in order to preferably in addition, used in the following description Describe better embodiment of the present utility model and set, should not be construed as to limitation of the present utility model.

In addition, the above-below direction when short transverse in the utility model refers to operating personnel's face ventilation equipment form； Length direction refers to left and right directions during operating personnel's face ventilation equipment form；Width is that the ventilation of operating personnel's face is set The front end of front and rear direction during standby form, wherein ventilation equipment close to one end of operating personnel for ventilation equipment, away from operation One end of personnel is rear end.

As Figure 1-4, the utility model provides a kind of ventilation equipment, including cabinet, and cabinet includes roof 121, bottom Wall 122, side wall 123 (side wall includes left side wall and right side wall), rear wall 124, the open front opened wide to cabinet external environment condition and position The upper lid 125 of fixation above open front, ventilation equipment also include the form 110 for open or close open front.In Fig. 1 For the ease of observation front apron 152 and the position relationship of form 110, lid 125 is not shown.Where form 110 and open front Be in use face operating personnel while, one end away from form 110 is provided with exhaust outlet 130 on cabinet roof 121, Cabinet inner chamber forms working chamber 140, and form 110 tilts to the direction of cabinet rear wall, makes the top of form relative to the bottom of form Plane where portion closer to cabinet rear wall, form 110 are sliding window, can be slided up and down along inclined-plane where it to open or seal Close open front.In the design of existing ventilation equipment, form 110 is generally vertically arranged with roof 121, when the upward sliding of form 110, When opening form 110, the one end of form 110 can be higher than cabinet roof 121, and the other end is less than cabinet roof 121, form 110 and top It is right angle between wall 121, the inner top of working chamber 140 easily forms air-swirl close to the region of form 110, and the region is harmful to Gas is difficult to discharge in time.Tilted to the direction of cabinet rear wall 124 by form 110 in the utility model, on the one hand can made The breathing zone of operating personnel is more preferable away from ventilation equipment, ventilation equipment safety；On the other hand, when opening form 110, It is an obtuse angle that form 110, which is less than between one end of roof 121 and roof 121, it is possible to reduce the air-swirl in the region, You Haiqi Body is easier to discharge from the region；The air-swirl at this can also be made to the medial movement of working chamber 140, farther away from operation Personnel, preferably protect the breathing zone of operating personnel；In addition, by the way that form 110 is obliquely installed, operating personnel can be with More fully it was observed that laboratory apparatus in working chamber 140, expands field range；And the setting for tilting form meets human body Engineering science designs, and adds the comfortableness used.

Further, the angle of form 110 and vertical direction is 3~10 ° in the utility model, form 110 and vertical side To angle it is excessive, the usable floor area of working chamber 140 can be reduced, also, in the pernicious gas in the outer region in the bottom of working chamber 140 In the presence of the possibility diffused in air；The angle of form 110 and vertical direction is too small, to the top of working chamber 140 close to form The inhibition of the air-swirl in region is smaller, and air-swirl is less to the medial movement of working chamber 140, it is difficult to realizes that this practicality is new Make technique effect of the pernicious gas away from operating personnel's breathing zone in type.Therefore, form 110 is selected in the utility model with erecting Nogata to angle be 3~10 °, in the angular range, will not both significantly reduce the usable floor area of working chamber 140, can be with Air-swirl of the top of working chamber 140 close to the region of form is efficiently reduced, and makes to move in vortex, adequately protected operation The breathing zone of personnel.It is highly preferred that the angle of form 110 and vertical direction is 4~8 °, and most preferably, form 110 and vertical side To angle be 5 °.

Further, one end adjacent with form 110 on cabinet roof 121, which is provided with, mends wind entrance 151, mends wind entrance 151 Connect the outside of working chamber 140 and cabinet.It is not particularly limited for the shape for mending wind entrance 151, as long as work can be connected The outside of chamber 140 and cabinet, the benefit wind into working chamber 140 is realized, along cabinet length side preferably on cabinet roof 121 To the strip opening with one fixed width of extension, or along cabinet length and width direction point on cabinet roof 121 Multiple holes of cloth.Wind entrance 151 is mended by being provided with the one end adjacent with form 110 of cabinet roof 121, in ventilation equipment work During work, in the presence of air exhauster, the gas in working chamber 140 is discharged by exhaust outlet 130, now, outside cabinet Air can enter in working chamber 140 from the benefit wind entrance 151, drive the harmful of form 110 and the adjacent area of cabinet roof 121 Gas excludes via exhaust outlet 130, improves the efficiency of the region pernicious gas discharge.

Further, as shown in Figures 2 and 3, gone in Fig. 2 and Fig. 3 for the ease of observing the internal structure of ventilation equipment Cabinet side wall 123 is fallen.Ventilation equipment also include the front apron 152 positioned at the inner side of form 110, the upper end and top of front apron 152 Wall 121 is connected, and the both sides of front apron 152 are connected with the side wall 123 of cabinet, and under ventilation equipment working condition, form 110 is upward Sliding opening, mend wind passage 153 is formed between form 110 and front apron 152, one end of mend wind passage 153 is with mending wind entrance 151 It is connected, the other end of mend wind passage is to mend wind outlet 154, and the air outside cabinet enters mend wind passage from wind entrance 151 is mended 153, then flowed into via wind outlet 154 is mended in working chamber 140.Further, the height for front apron 152 does not have special limit It is fixed, it preferably not hinder the visual effect of form 110.

Further, the angle of front apron 152 and vertical direction is not particularly limited, and can vertically set, Either it is be arranged in parallel with form 110, it is preferable that front apron 152 also tilts to the direction of cabinet rear wall 124, makes front apron Top is relative to the plane where the bottom closer to cabinet rear wall of front apron, and the angle of front apron 152 and vertical direction is big In form 110 and the angle of vertical direction so that the width of mend wind passage 153 is gradually reduced from top to bottom.By being obliquely installed Front apron 152 can further make to move in air-swirl, reduce pernicious gas and overflow scattered possibility, and due to mend wind passage 153 width is up big and down small, that is, it is larger to mend wind entrance 151, it is possible to reduce air intake resistance, ensures enough intakes, mends wind and go out Mouth 154 is smaller, avoids the gas in working chamber 140 and passes through the excessive outside for being scattered to ventilation equipment of mend wind passage 153.Preferably, The angle of front apron 152 and vertical direction is 8~25 °, more preferably 12 °.

Further, the width ratio of the width of the minimum position in mend wind passage 153 and the bottom surface of working chamber 140 for (5~ 15):100.In the case of the fixed bottom width of working chamber 140, if the width of the minimum position is too small, it cannot be guaranteed that filling Point air inflow, it is difficult to fully drive the top of working chamber 140 close to the pernicious gas of the near zone of front apron 152 to exhaust outlet 130 movements；If the width of the minimum position is wide, the usable floor area of working chamber may be reduced.

Further, the schematic internal view of ventilation equipment different angle as described in Figure 4, it is remote in working chamber 140 to regard The side of window 110, the i.e. position close to cabinet rear wall 124, are additionally provided with deflector.In Fig. 4, for the ease of observation deflector Structure, upper lid 125, form 110 and front apron 152 are concealed.Deflector is divided into upper, middle and lower segment deflector, wherein, hypomere Deflector 161 is located at the bottom of working chamber 140, and generally vertically sets, and multiple ventilative through holes are provided with hypomere deflector 161 162；Stage casing deflector 163 is arranged at the top of hypomere deflector 161, and the direction of stage casing deflector 163 to cabinet rear wall 124 is inclined Tiltedly, the top of the stage casing deflector 163 is made relative to where the bottom closer to cabinet rear wall 124 of stage casing deflector 163 Plane；Epimere deflector 164 is arranged at the top of stage casing deflector 163, and epimere deflector 164 is to cabinet rear wall 124 opposite Direction tilts, and makes the top of epimere deflector 164 relative to the plane where its bottom further from cabinet rear wall 124.Foregoing Be surrounded by air exhaust passage 165 between three sections of deflectors and vent cabinet rear wall 124 and roof 121, the top of air exhaust passage 165 with The exhaust outlet 130 of vent cabinet roof 121 is interconnected, and is all provided between three sections of deflectors, between three sections of deflectors and cabinet inwall It is equipped with gap 166 (not marked in portion gap figure), the air-flow in working chamber 140 is flowed into by ventilative through hole 162 and gap 166 Air exhaust passage 165, then discharged through exhaust outlet 130.

Further, it is not particularly limited for the shape of ventilative through hole 162, strip that can be as shown in Figure 4 also may be used To be circle etc..Ventilative through hole 162 is preferably all evenly provided on aeroscopic plate along in length and short transverse.By uniformly setting Be equipped with the hypomere deflector 161 of ventilative through hole 162, can by the air of the bottom of working chamber 140 via air exhaust passage 165 stably The near zone of exhaust outlet 130 at the top of ventilation equipment is oriented to, avoids the generation of air-swirl, and can be in whole working chamber 140 Basically identical continuous air draft is realized on the length direction of bottom, avoids the formation of air sinuous flow.

In the utility model, ventilation equipment are also provided with addition to the ventilative through hole 162 on hypomere deflector 161 The horizontal-extending gap 166 in many places is to air draft, to meet that the air-flow of different height in working chamber 140 needs not move through long path Climbing can flow into air exhaust passage 165 quickly and be discharged, therefore reduce air draft power energy consumption；The air draft of large area is abandoned Mouth region domain and use many places gap 166 to carry out air draft, the air-flow many places that will enter air exhaust passage 165 shunt, it is suppressed that sinuous flow is rapid The generation of stream, stabilize air draft air-flow.

To sum up, the ventilation equipment in the utility model, by being directly obliquely installed form, operator can on the one hand be made The breathing zone of member is more preferable away from ventilation equipment, ventilation equipment safety；On the other hand can reduce close at the top of working chamber Air-swirl in window area, pernicious gas are easier to discharge from exhaust outlet；The air-swirl in the region can also be made to work Make chamber medial movement, farther away from operating personnel, preferably protect the breathing zone of operating personnel；And by the way that form is inclined Tiltedly set, operating personnel can more fully observe the laboratory apparatus in working chamber, expand field range, and tilt and regard The setting of window meets ergonomic designs, adds the comfortableness used.

Above-mentioned explanation is the embodiment of embodiment in the utility model, for being illustrated more clearly that this practicality is new The utility model design of type, but it is for the restriction to right of the present utility model that it, which is not,.It is new according to this practicality The utility model design of type, those skilled in the art can easily variants and modifications the above embodiments, these belong to this reality It is all contained in the variants and modifications in new utility model design within the scope of the utility model appended claims.

Claims (8)

1. a kind of ventilation equipment, it is characterised in that including cabinet and form, the cabinet has to be opened to the cabinet external environment condition The open front opened, the form are used for the open or close open front, and the cabinet inner chamber forms working chamber, the cabinet top One end away from the form is provided with exhaust outlet on wall, and the form tilts to the direction of the cabinet rear wall, makes the form Top relative to the plane where the bottom closer to cabinet rear wall of form, the angle of the form and vertical direction is 3~ 10°。

2. ventilation equipment according to claim 1, it is characterised in that the angle of the form and vertical direction is 4~8 °.

3. ventilation equipment according to claim 1, it is characterised in that close to one end of the form on the cabinet roof Provided with wind entrance is mended, the benefit wind entrance connects the outside of the working chamber and the cabinet.

4. ventilation equipment according to claim 3, it is characterised in that the ventilation equipment also include in the form The front apron of side, forms mend wind passage between the form and the front apron, described mend wind passage one end enters with the benefit wind Mouth is connected, and the other end of the mend wind passage exports to mend wind, described in the air outside cabinet from the benefit wind entrance entrance Mend wind passage, then flowed into via the benefit wind outlet in the working chamber.

5. ventilation equipment according to claim 4, it is characterised in that incline in the direction of the front apron to the cabinet rear wall Tiltedly, make the top of the front apron relative to the plane where the bottom closer to the cabinet rear wall of front apron, and it is described before The angle of baffle plate and vertical direction is more than the angle of the form and vertical direction so that the width of the mend wind passage is arrived from above Under be gradually reduced.

6. ventilation equipment according to claim 5, it is characterised in that the angle of the front apron and vertical direction is 8~ 25°。

7. ventilation equipment according to claim 4, it is characterised in that the width of the mend wind passage minimum position with it is described The width ratio of working chamber bottom surface is (5~15)：100.

8. ventilation equipment according to claim 1, it is characterised in that the side away from the form in the working chamber Deflector is additionally provided with, the deflector is divided into upper, middle and lower segment deflector, wherein, hypomere deflector is located at the working chamber Bottom, and vertically set, it is provided with multiple ventilative through holes on the hypomere deflector；Stage casing deflector is arranged at the hypomere and led The top of flowing plate, the stage casing deflector tilt to the direction of the cabinet rear wall, make the top of the stage casing deflector relative Plane where the bottom of the stage casing deflector closer to the cabinet rear wall；Epimere deflector is arranged at the stage casing and led The top of flowing plate, the epimere deflector tilt to the opposite direction of the cabinet rear wall, make the top of the epimere deflector Relative to the plane where the bottom further from the cabinet rear wall of the epimere deflector, three sections of deflectors and the cabinet Air exhaust passage, the air exhaust passage top and the exhaust outlet phase positioned at the cabinet roof are surrounded by between body rear wall and roof It is intercommunicated, between three sections of deflectors, gap is provided between three sections of deflectors and cabinet inwall, in working chamber Air-flow flows into the air exhaust passage by the ventilative through hole and the gap, then is discharged through the exhaust outlet.