CN104001706B - Vent cabinet - Google Patents
Vent cabinet Download PDFInfo
- Publication number
- CN104001706B CN104001706B CN201410241288.1A CN201410241288A CN104001706B CN 104001706 B CN104001706 B CN 104001706B CN 201410241288 A CN201410241288 A CN 201410241288A CN 104001706 B CN104001706 B CN 104001706B
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- China
- Prior art keywords
- vent cabinet
- closed valve
- sliding window
- cabinet
- vertical sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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Abstract
The present invention relates to a kind of vent cabinet, described vent cabinet comprises vent cabinet cabinet, vertical sliding window, closed valve and auto resilient mounting, wherein, described vertical sliding window is arranged at the front of described vent cabinet cabinet, and described vertical sliding window can move up and down relative to described vent cabinet cabinet; One end of described closed valve connects described vertical sliding window by pulley structure and formed with described vertical sliding window links; The other end of described closed valve is connected with described auto resilient mounting by pulley structure; Described resilient mounting inside is provided with spring and fusible link, and the two ends of described resilient mounting connect described closed valve and described pulley structure by described spring, and the fusing-off temperature of described fusible link is 90 °.
Description
Technical field
The invention belongs to laboratory equipment, be specifically related to a kind of vent cabinet for the protection of lab assistant safety.
Background technology
Vent cabinet is a kind of common apparatus in chemical laboratory.It can make experimenter when carrying out chemical experiment or with the contaminatives such as volatile preparation of reagents solution and dangerous larger experiment, the safety of Protection personnel.
The vertical sliding window of vent cabinet of the prior art is generally adopt safety glass structure, the impact on experimenter when this firm solid safety glass can prevent vent cabinet from blasting.
In laboratory, the quantity of vent cabinet usually can often and define rows; because vent cabinet needs air draft; and the exhaust system in laboratory generally only has one; so vent cabinet in a row is all a shared exhaust system; in this case vent cabinet is used to there is following potential safety hazard: once the situation such as breaking out of fire in any one vent cabinet in laboratory; fire can channel to adjacent vent cabinet by the airduct shared, thus causes the safety of other experimenters tested to be affected.
Summary of the invention
The object of this invention is to provide a kind of vent cabinet, to solve the above-mentioned problems in the prior art.
For reaching above-mentioned purpose, technical solution of the present invention is to provide a kind of vent cabinet, described vent cabinet comprises vent cabinet cabinet, vertical sliding window, closed valve and auto resilient mounting, wherein, described vertical sliding window is arranged at the front of described vent cabinet cabinet, and described vertical sliding window can move up and down relative to described vent cabinet cabinet; One end of described closed valve connects described vertical sliding window by pulley structure and formed with described vertical sliding window links; The other end of described closed valve is connected with described auto resilient mounting by pulley structure; Described resilient mounting inside is provided with spring and fusible link, and the two ends of described resilient mounting connect described closed valve and described pulley structure by described spring, and the fusing-off temperature of described fusible link is 90 °.
Preferably, described pulley structure comprises hook, pulley, steel wire rope and balancing weight, described hook is fixedly installed on described vent cabinet cabinet, described pulley to be arranged on described hook and to be slidably connected with described hook, and described pulley drives described balancing weight to carry out upper and lower displacement by described steel wire rope.
Preferably, described vent cabinet cabinet adopts double-layer steel plate structure.
Preferably, the back side of described vent cabinet cabinet is provided with transparent acrylic material.
Preferably, the frame of described vertical sliding window is that lightweight strengthens steel construction.
Preferably, described closed valve is consistent with the aperture ratio of described vertical sliding window.
Preferably, described closed valve is stainless steel.
Preferably, described closed valve is slot push-pull structure, and the closed valve side of described slot push-pull structure is provided with junction button, and described steel wire rope is connected with described closed valve by described junction button.
Beneficial effect of the present invention is: use vent cabinet of the present invention; not only can reduce in prior art the cost pressure using variable air-valve to bring; reach cost-effective object, and cut off burning things which may cause a fire disaster in time when effectively can ensure breaking out of fire, thus the safety of Protection personnel.
By include in accompanying drawing herein and subsequently together with accompanying drawing for illustration of the detailed description of the invention of some principle of the present invention, the further feature that method and apparatus of the present invention has and advantage will become to be known or is more specifically illustrated.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic perspective view of the first embodiment of vent cabinet of the present invention.
Fig. 2 is the overall structure schematic top plan view of the first embodiment of vent cabinet of the present invention.
Fig. 3 is the structural representation of closed valve in the first embodiment of vent cabinet of the present invention.
Main element symbol description:
1 pulley 2 vertical sliding window
3 balancing weight 4 closed valve
5 junction button 6 auto resilient mountings
7 hook 8 steel wire ropes
9 slots.
Should understand, appended accompanying drawing not shows the technique of painting slightly simplified of the exemplifying various feature of general principle of the present invention pari passu.Specific design feature of the present invention disclosed herein comprises such as concrete size, direction, position and profile and will partly be determined by the environment specifically will applied and use.
In these figures, run through several figures of accompanying drawing, Reference numeral quotes equally or equivalent part of the present invention.
Detailed description of the invention
The invention provides a kind of vent cabinet, described vent cabinet comprises vent cabinet cabinet, vertical sliding window, closed valve and auto resilient mounting, wherein, described vertical sliding window is arranged at the front of described vent cabinet cabinet, and described vertical sliding window can move up and down relative to described vent cabinet cabinet; One end of described closed valve connects described vertical sliding window by pulley structure and formed with described vertical sliding window links; The other end of described closed valve is connected with described auto resilient mounting by pulley structure; Described resilient mounting inside is provided with spring and fusible link, and described resilient mounting connects described closed valve and described pulley structure by described spring, and the fusing-off temperature of described fusible link is 90 °.
Below in conjunction with accompanying drawing 1-3, vent cabinet of the present invention is further described in detail.
Fig. 1 is the overall structure schematic perspective view of the first embodiment of vent cabinet of the present invention.
As shown in Figure 1, described vent cabinet entirety adopts double-layer steel plate structure, and in the first embodiment of the present invention, the postnotum of the interior lining panel of described vent cabinet adopts transparent acryl plates.
Physical property due to acryl plates determines acryl plates and can not use under the environment of temperature more than 85 DEG C, if temperature is more than 85 DEG C, acryl plates will variable color, too high in occurrence temperature like this or can remind experimenter when causing danger, therefore the postnotum of the interior lining panel of vent cabinet of the present invention adopts transparent acryl plates.
In the first embodiment of the present invention, the postnotum of the interior lining panel of described vent cabinet all adopts transparent acryl plates.
As selection, the postnotum of the interior lining panel of described vent cabinet also partly can select acryl plates, and select the size of acryl plates and size to determine according to actual needs, the present invention is not as limit.
Vent cabinet of the present invention comprises vertical sliding window 2.
In embodiment of the present invention; the frame of described vertical sliding window 2 adopts the reinforcement steel construction of lightweight; like this when the dangerous situation such as breaking out of fire or blast; the frame that lightweight strengthens steel construction can support whole implosion guard and described vertical sliding window 2 effectively, thus reaches the object of Protection personal security.
As selection, the frame of described vertical sliding window 2 also can adopt other can reach the material of object same with the present invention, and the present invention is not as limit.
As shown in Figure 1, the top board of vent cabinet of the present invention is provided with a closed valve 4, vertical sliding window 2 is connected with balancing weight 3 by steel wire rope 8 and pulley, and balancing weight 3 is connected with closed valve 4 by steel wire rope 8 and pulley, and closed valve 4 is connected with automatic rebounding and 6 by steel wire rope 8.
When vertical sliding window 2 rises, declined by steel wire rope 8 and pulley driving balancing weight 3, junction button 5 by pulling steel wire rope 8 to drive closed valve 4 while balancing weight 3 declines, thus closed valve 4 is pulled toward side, now the aperture of closed valve 4 will become large, reaches the effect simultaneously changed with described vertical sliding window 2.
Fuse in auto resilient mounting 6 can fuse when breaking out of fire, spring meeting automatic coiling now in auto resilient mounting 6, steel wire rope 8 is involved in auto resilient mounting 6, now closed valve 4 can be closed under the pulling of steel wire rope 8, balancing weight 3 is driven to rise by pulley and steel wire rope 8 while closed valve 4 is closed, thus drive vertical sliding window 2 to decline, now reach the effect that vertical sliding window 2 closes with closed valve 4 simultaneously.
The aperture of described closed valve 4 is consistent with the aperture ratio of described vertical sliding window 2 under normal circumstances, thus the safety surface wind speed that effectively can realize vent cabinet is 0.5m/s.
In the first embodiment of the present invention, the valve body of described closed valve 4 is 316 stainless steels, because 316 stainless steels not only possess very strong anti-corrosion function, but also there is stronger anti-wear performance, in addition, 316 stainless steels can only the frictional resistance of closed valve 4 little, be convenient to the smoothness when sliding.
Fig. 3 is the structural representation of closed valve in the first embodiment of vent cabinet of the present invention.
As shown in Figure 3, described closed valve 4 is insertion slot type structure, and described closed valve 4 realizes plug-type fixing by slot 9.One end of described closed valve 4 is with junction button 5, and described closed valve 4 is connected with described steel wire rope 8 by junction button 5.
Fig. 2 is the overall structure schematic top plan view of the first embodiment of vent cabinet of the present invention.
As shown in Figures 1 and 2, on the top of vent cabinet, the two ends of closed valve 4 are connected with described steel wire rope 8 by hook 7, on the left of closed valve 4, the other end of steel wire rope 8 is connected with described vertical sliding window 2 by each parts in pulley structure, when the vertical sliding window 2 of described vent cabinet moves up and down, synchronously moved up and down by steel wire rope 8 and pulley driving balancing weight 3, and the moving up and down equally by steel wire rope 8 and pulley driving closed valve 4 that move up and down of balancing weight 3, thus reach the interlock effect of described closed valve 4 and described vertical sliding window 2, and then achieve the object of chain of command wind speed.
And the other end of steel wire rope 8 connects auto resilient mounting 6 on the right side of closed valve 4, described auto resilient mounting 6 inside is provided with spring and fusible link, described steel wire rope 8 is connected with described auto resilient mounting 6 by described spring, and the fusing-off temperature of described fusible link is 90 DEG C.
When breaking out of fire or temperature reach 90 DEG C, fusible link in auto resilient mounting 6 will fuse, now auto resilient mounting 6 is opened, spring automatic coiling in resilient mounting 6, the steel wire rope 8 that two ends connect is involved in auto resilient mounting 6, the contraction of steel wire rope 8 drives closed valve 4 automatically to close, carry on now balancing weight 3 meeting is automatic under the pulling of junction button 5, when balancing weight 3 is carried time, by the operation principle of pulley, the vertical sliding window 2 of vent cabinet also can decline automatically, thus closed vent cabinet, burning things which may cause a fire disaster or elevated-temperature seal in vent cabinet, reach the possibility cut off burning things which may cause a fire disaster or high temperature and contact with people.
In prior art, variable air rate air-valve uses venturi valve and butterfly valve usually, and venturi valve and butterfly valve not only price is high, and need the accessory of more supporting automatic control system needs in use.This is because variable air rate air-valve needs the pressure sensor in room and displacement transducer to be reached the object that controls variable air rate air-valve to variable air rate air-valve transmission of signal by programmable logic controller (PLC) (PLC) in use, so the setting of PLC program, the wiring of each electronic equipment and some auxiliary material distribution etc., each program or link can increase the use cost of vent cabinet, entirety through calculating, uses venturi valve or butterfly valve to be very large as the cost of variable air rate air-valve.
In addition, when using venturi valve or butterfly valve as variable air rate air-valve, the variable air rate response time is considerably beyond the response time of electric transducer.Wherein, response time refers to, when the vertical sliding window of vent cabinet moves up and down, when vent cabinet face wind speed is certain, the gentle stream of pressure in vent cabinet changes, variable air rate air-valve changes the aperture of air-valve by pressure sensor or displacement transducer, and what change to air-valve from vertical sliding window moves up and down is exactly the response time thereupon during this period of time.
And vent cabinet of the present invention, the high cost problem that variable air rate air-valve brings can not only be reduced, and the step such as program setting of saving when using vent cabinet, and due to structural advantage of the present invention, the fire resisting damper needing to increase can also be omitted in exhaust system.Based on the parts of the cost saved, step and vent cabinet, vent cabinet of the present invention still effectively can ensure the safety of experimenter, also ensures to cut off burning things which may cause a fire disaster in time when breaking out of fire simultaneously.
The foregoing is only preferred embodiment of the present invention, described preferred embodiment just illustrates the present invention and unrestricted.All equalizations done according to the claims in the present invention scope change, modify and improve, and all should belong to the covering scope of the claims in the present invention.
Claims (8)
1. a vent cabinet, is characterized in that, described vent cabinet comprises vent cabinet cabinet, vertical sliding window, closed valve and auto resilient mounting, wherein,
Described vertical sliding window is arranged at the front of described vent cabinet cabinet, and described vertical sliding window can move up and down relative to described vent cabinet cabinet;
One end of described closed valve connects described vertical sliding window by pulley structure and formed with described vertical sliding window links; The other end of described closed valve is connected with described auto resilient mounting by pulley structure;
Described resilient mounting inside is provided with spring and fusible link, and the two ends of described resilient mounting connect described closed valve and described pulley structure by described spring, and the fusing-off temperature of described fusible link is 90 °.
2. vent cabinet according to claim 1, it is characterized in that, described pulley structure comprises hook, pulley, steel wire rope and balancing weight, described hook is fixedly installed on described vent cabinet cabinet, described pulley to be arranged on described hook and to be slidably connected with described hook, and described pulley drives described balancing weight to carry out upper and lower displacement by described steel wire rope.
3. vent cabinet according to claim 2, is characterized in that, described vent cabinet cabinet adopts double-layer steel plate structure.
4. vent cabinet according to claim 3, is characterized in that, the back side of described vent cabinet cabinet is provided with transparent acrylic material.
5. vent cabinet according to claim 4, is characterized in that, the frame of described vertical sliding window is that lightweight strengthens steel construction.
6. vent cabinet according to claim 5, is characterized in that, described closed valve is consistent with the aperture ratio of described vertical sliding window.
7. vent cabinet according to claim 6, is characterized in that, described closed valve is stainless steel.
8. vent cabinet according to claim 7, is characterized in that, described closed valve is slot push-pull structure, and the closed valve side of described slot push-pull structure is provided with junction button, and described steel wire rope is connected with described closed valve by described junction button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241288.1A CN104001706B (en) | 2014-05-30 | 2014-05-30 | Vent cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241288.1A CN104001706B (en) | 2014-05-30 | 2014-05-30 | Vent cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104001706A CN104001706A (en) | 2014-08-27 |
| CN104001706B true CN104001706B (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410241288.1A Active CN104001706B (en) | 2014-05-30 | 2014-05-30 | Vent cabinet |
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| Country | Link |
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| CN (1) | CN104001706B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984971A (en) * | 2015-06-19 | 2015-10-21 | 湖南朗圣实验室技术发展有限公司 | Novel mechanical variable air rate adjusting control system |
| CN104959359A (en) * | 2015-07-09 | 2015-10-07 | 湖南朗圣实验室技术发展有限公司 | Intelligent ventilation cupboard |
| CN110137816B (en) * | 2019-06-06 | 2020-12-04 | 义乌市倩飞科技有限公司 | High-low voltage safety distribution equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9612809D0 (en) * | 1996-06-19 | 1996-08-21 | Powder Systems Ltd | A high containment fume cupboard and a method and a containment window for producing same |
| CN202984252U (en) * | 2012-11-28 | 2013-06-12 | 颜红昌 | Fume hood linked valve adjusting system |
| CN203448368U (en) * | 2013-08-07 | 2014-02-26 | 苏州格力特实验室系统工程有限公司 | Mechanical automatic variable air volume adjusting system |
| CN203917352U (en) * | 2014-05-30 | 2014-11-05 | 刘志翔 | Vent cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100248603A1 (en) * | 2009-03-31 | 2010-09-30 | Decastro Eugene | Retrofit Fume Hood Drive Assembly |
-
2014
- 2014-05-30 CN CN201410241288.1A patent/CN104001706B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9612809D0 (en) * | 1996-06-19 | 1996-08-21 | Powder Systems Ltd | A high containment fume cupboard and a method and a containment window for producing same |
| CN202984252U (en) * | 2012-11-28 | 2013-06-12 | 颜红昌 | Fume hood linked valve adjusting system |
| CN203448368U (en) * | 2013-08-07 | 2014-02-26 | 苏州格力特实验室系统工程有限公司 | Mechanical automatic variable air volume adjusting system |
| CN203917352U (en) * | 2014-05-30 | 2014-11-05 | 刘志翔 | Vent cabinet |
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| Publication number | Publication date |
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| CN104001706A (en) | 2014-08-27 |
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