CN203101082U - Range hood smoke discharging performance laboratory structure with resistance air outlet - Google Patents
Range hood smoke discharging performance laboratory structure with resistance air outlet Download PDFInfo
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- CN203101082U CN203101082U CN 201320092650 CN201320092650U CN203101082U CN 203101082 U CN203101082 U CN 203101082U CN 201320092650 CN201320092650 CN 201320092650 CN 201320092650 U CN201320092650 U CN 201320092650U CN 203101082 U CN203101082 U CN 203101082U
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Abstract
The utility model provides a range hood smoke discharging performance laboratory structure with a resistance air outlet. The influence of the air discharging resistance existing in the operating environment is not considered by traditional laboratory structures. The range hood smoke discharging performance laboratory structure provided by the utility model comprises an inner laboratory, a smoke discharging pipeline, a workbench, an electric furnace evaporating pan, a liquid dropping device, an inner air inlet, an emptying air discharging port and an emptying air supplying port, wherein the inner laboratory is provided with an installation position for a range hood to be tested and an inner laboratory door; one end of the smoke discharging pipeline is connected with an air discharging port of the range hood to be tested, and the other end of the smoke discharging pipeline extends out of the inner laboratory, in addition, the smoke discharging pipeline is provided with a small-bore resistance pipe, an outlet of the resistance pipe is aligned with the center of an air absorbing pipe of a relaying fan, and a relaying air pipe is connected with the relaying fan; the electric furnace evaporating pan is placed on the workbench; the liquid dropping device is used for dropping the mixed liquid in the electric furnace evaporating pan; the inner air inlet is formed at the lower part of the wall opposite to the wall on which the range hood to be tested is hung, and the inner air inlet is provided with an inner air inlet door; the emptying air discharging port is formed in the wall of the inner laboratory and is provided with an emptying air discharging port door and an emptying air discharging fan; and the emptying air supplying port is formed in the wall of the inner laboratory and is provided with an emptying air supplying port door.
Description
Technical field
The utility model relates to a kind of lampblack absorber smoke evacuation performance test cell structure, relates in particular to the laboratory structure of the detection lampblack absorber smoke evacuation performance of having considered exhaust resistance and extraneous blast factor.
Background technology
The smoke evacuation performance is to estimate one of very important index of lampblack absorber.In standard GB/T17713-2011, lampblack absorber smoke evacuation performance has provided a kind of laboratory structure with " odor reduction degree " index expression in its detection method, see also Fig. 1.The basis of this laboratory structure is the laboratory 01 that a long * wide * height is respectively 3.5m * 2.5m * 2.5m, 3.5 the long Wall of rice goes up the centre position and is hung with lampblack absorber 03, lampblack absorber 03 both sides hang with cabinet 04, lampblack absorber 03 below is provided with worktable 05, place electric furnace and evaporation boiler 02 on the worktable 05, control cooking bottom temperature automatically at 170 ± 10 ℃ by the electronic temperature control device.Have the air inlet 06 that door is housed under 03 pair of face wall of lampblack absorber, diffusing air screen 07 is arranged before the air inlet 06, the dropper (not shown) is arranged in addition, the mixed solution that can control 300g water and 12g butanone evenly splashed into the evaporation boiler evaporation in 30 minutes.
The test procedure of stipulating in the GB is: open lampblack absorber exhaust 30 minutes earlier, air cleaner is carried out in the laboratory handle, get rid of the butanone smell that existence was last time detected in the laboratory.Close 01 in laboratory then, open the door that is provided with on the air inlet 06, the dropping liquid test is 30 minutes under lampblack absorber 03 duty, closes in the chamber of experiments of measuring behind the door 01 on lampblack absorber 03 and the air inlet 06 and is not got rid of and residual butanone concentration by lampblack absorber 03, and this is called working concentration.Open lampblack absorber 03 work 30 minutes again, air cleaner is carried out in laboratory 01 again handle, close laboratory 01 respectively behind the door, under lampblack absorber 03 stopped status, dropping liquid is 30 minutes once more, the Cmax of butanone in the experiments of measuring chamber 01.Be calculated as: the difference of Cmax and working concentration divided by Cmax, just is expressed as the odor reduction degree of lampblack absorber.
From the above, this method and experiment structure are not considered the exhaust resistance in the lampblack absorber environment for use and the influence of extraneous blast when detecting.
The utility model content
The inventor is by actual test shows, and the environment of lampblack absorber work (for example kitchen) exists exhaust resistance and extraneous blast.Lampblack absorber usually is operated in big exhaust resistance in actual use, as: exhaust duct is thin, long, detour is many; The high residential building common flue is little; Door and window closes in the family, only mends wind etc. during air draft from crack between a door and its frame on a small quantity.At this moment actual air volume reduces, the smoke discharging effect variation.So the smoke evacuation performance of lampblack absorber must comprise the content of resistive drag force performance.In addition, when extraneous wind is big, form blast at metope, lampblack absorber also can be subjected to the influence of leeway, produces and detects error.
Based on the problems referred to above that background technology exists, the purpose of this utility model is to provide a kind of lampblack absorber smoke evacuation performance test cell structure with resistance air outlet, improves the accuracy that detects, and reduces the error that causes because of exhaust resistance.
According to above-mentioned purpose, the lampblack absorber smoke evacuation performance test cell structure with resistance air outlet of the present utility model comprises:
Interior laboratory, its metope are provided with and can supply to hang a lampblack absorber to be measured position, and offer the interior laboratory door for turnover;
Smoke discharging pipe, one end links to each other with the exhausr port of this lampblack absorber to be measured, and the other end reaches outside the interior laboratory, and is provided with a small-bore resistance tube, the aspiration channel center of a relay air blower is aimed in the outlet of this resistance tube, and a relay airduct is connected with this relay air blower;
Worktable is arranged at this lampblack absorber to be measured below;
The electric furnace evaporation boiler places on this worktable;
Dropper is used for splashing into mixed liquor in this electric furnace evaporation boiler;
Interior air inlet, be opened in hang this lampblack absorber to be measured under the face wall, and air inlet door in being provided with;
Empty exhaust outlet, be opened in this on breadboard wall, and be provided with and empty the exhaust outlet door and empty exhaust fan; And
Empty wind-supplying mouth, be opened on the wall of testing the chamber in this, and be provided with and empty the wind-supplying mouth door.
In above-mentioned lampblack absorber smoke evacuation performance test cell structure, also comprise with resistance air outlet:
Outer laboratory is arranged at outside this interior laboratory;
The external air inlet mouth is opened on this outer breadboard wall; With
Outer wind-supplying mouth is opened in this outer laboratory corresponding to being provided with on this wall that empties wind-supplying mouth, and this outer wind-supplying mouth empties by one and mends the wind passage and empty wind-supplying mouth with this and be connected;
This empties exhaust fan and is arranged at this outer laboratory corresponding to being provided with on this wall that empties exhaust outlet, and this empties exhaust fan and empties air exhaust passage by one and empty exhaust outlet with this and be connected.
In above-mentioned lampblack absorber smoke evacuation performance test cell structure, empty vent fan external at this and empty exhaust duct with resistance air outlet.
In the above-mentioned lampblack absorber smoke evacuation performance test cell structure with resistance air outlet, this external air inlet mouth is arranged at and is provided with on the same face wall of resistance tube.
In above-mentioned lampblack absorber smoke evacuation performance test cell structure with resistance air outlet, also comprise a gentle breeze model configuration, be arranged in this interior laboratory.
In above-mentioned lampblack absorber smoke evacuation performance test cell structure with resistance air outlet, this gentle breeze model configuration comprises and one is fixed in the crossbeam in laboratory in this, hangs on this crossbeam and can and be arranged at fan blade on this dolly along the reciprocating dolly of this crossbeam by gear train.
In laboratory structure of the present utility model as above, considered the factor of the exhaust resistance that the lampblack absorber working environment exists, thereby, comprised the content of resistive drag force performance in the lampblack absorber smoke evacuation performance of its detection, make that test data can be more accurate, reduce error.
Description of drawings
Fig. 1 is the synoptic diagram of existing lampblack absorber smoke evacuation performance test cell structure;
Fig. 2 is the synoptic diagram with lampblack absorber smoke evacuation performance test cell structure of resistance air outlet of the present utility model;
Fig. 3 is the synoptic diagram along Fig. 2 direction A;
Fig. 4 is the synoptic diagram along Fig. 2 direction B-B.
Embodiment
See also Fig. 2, Fig. 2 is the synoptic diagram with lampblack absorber smoke evacuation performance test cell structure of resistance air outlet of the present utility model, please be simultaneously referring to Fig. 3 and Fig. 4, and Fig. 3 and Fig. 4 are respectively the synoptic diagram along Fig. 2 direction A and direction B-B.Each parts that draw in the mode of signal among the figure, but should be appreciated that this only is that those skilled in the art can obtain practical structure according to these schematic parts, and do not need to pay performing creative labour for this reason for the ease of diagram.
Laboratory in 2 expressions among the figure.In position offering can be for the door 10 of experimenter's turnover.Similar with traditional laboratory structure, the metope in interior laboratory 2 is provided with can be for the position that hangs lampblack absorber to be measured.Hung lampblack absorber 6 to be measured in the drawings, but should be appreciated that this lampblack absorber 6 to be measured is not to be the ingredient of laboratory structure of the present utility model, when using this laboratory structure test lampblack absorber performance, this lampblack absorber to be measured just is suspended on this position.
Above suspension lampblack absorber to be measured 6 positions, be provided with smoke discharging pipe 17,2 tops, laboratory reached outside the interior laboratory 2 other end in these smoke discharging pipe 17 1 ends passed through.One end of smoke discharging pipe 17 is used for being connected with lampblack absorber 6 to be measured, receives the exhaust of lampblack absorber 6 to be measured, and is discharged to outdoor by smoke discharging pipe 17 exhaust of lampblack absorber 6 to be measured.
Below suspension lampblack absorber to be measured 6 positions, be provided with a worktable 8, worktable 8 is provided with electric furnace evaporation boiler 7.State when using for better simulation is actual, in the present embodiment, electric furnace evaporation boiler 7 can be put two.The cooking bottom temperature of these electric furnace evaporation boilers 7 is the same with conventional art, is controlled by the electronic temperature control device, is not described in detail at this.
In interior laboratory 2 hang lampblack absorber to be measured under the face wall, air inlet 11 in offering, air inlet door (not marking among the figure) in device has on interior air inlet 11.When 2 air intakes of the inside laboratory of needs, air inlet door is opened in this, otherwise can close air inlet door in this.
On the metope in interior laboratory 2, offer and empty exhaust outlet 23 and empty wind-supplying mouth 24, empty exhaust outlet 23 and be provided with and empty exhaust outlet door (not marking among the figure) and empty exhaust fan 15, empty wind-supplying mouth 24 and be provided with and empty wind-supplying mouth door (not marking among the figure).In needs empty, during laboratory 2, can open and empty exhaust fan 15, empty the wind-supplying mouth door and empty the exhaust outlet door.
Also be provided with dropper (not shown) in interior laboratory 2, similar in this dropper and the conventional art, the mixed solution that can control water and butanone splashes in the evaporation boiler equably at the appointed time and evaporates.
Connect a small-bore resistance tube 20 in smoke discharging pipe 17 terminals, aspiration channel 22 centers of a relay air blower 16 are aimed in the outlet of resistance tube 20, and a relay airduct 18 is connected with relay air blower 22, all catches the back by relay airduct 18 discharge that hoists with the gas that contains butanone that resistance tube 20 is discharged.The content that has so comprised the resistive drag force sexuality in the feasible lampblack absorber performance that detects of laboratory structure,
In addition, on the basis of the foregoing description, the inventor has also carried out further improvement to the above-mentioned lampblack absorber smoke evacuation performance test cell structure with resistance air outlet, will be further described on the basis of Fig. 2 to Fig. 4 below.
Laboratory structure also comprises an outer laboratory 1.Outer laboratory 1 is arranged at outside the interior laboratory 2, and interior laboratory 2 is placed in one.
The other end of smoke discharging pipe 17 reaches outside the outer laboratory 1, outside laboratory 1 with the same face wall that resistance tube 20 is set on offer external air inlet mouth 19, mend wind to the laboratory when being used to open the lampblack absorber air draft, but external air inlet mouth 19 is provided with the door of switch.External air inlet mouth 19 and resistance tube 20 devices are after on the same face wall, eliminated the influence of extraneous wind-force, and the flue gas that resistance tube 20 is discharged hoists with relay air blower 16 rows, and the flue gas that the resistance pipe is discharged when having solved detection returns the laboratory by the external air inlet mouth easily and produces the problem that detects error.
Simultaneously, the laboratory empties on the wall of wind-supplying mouth 24 corresponding to setting outside, offers an outer wind-supplying mouth 21, outer wind-supplying mouth 21 with empty between the wind-supplying mouth 24 and can mend wind passage 12 and be connected by emptying.
For the air that contains butanone of reduce discharging from empty wind-supplying mouth 24 turn back in amount in the laboratory 2, improve and empty efficient, empty exhaust duct 14 emptying vent fan 15 external.
Continuation is referring to Fig. 2 to Fig. 4.The inventor considers lampblack absorber when reality is used, and also have the user usually and operate on the limit, and traditional or above-mentioned laboratory structure is not all considered the factor that the user operates on the limit.And the user can produce gentle breeze when operating on the limit.In addition, also can have some natural gentle breezes in the actual kitchen environment, can dispel oil smoke, be the key factor that smoke discharging effect reduces.
Therefore, in another embodiment of the present utility model, on the basis of said structure, continue to have set up the gentle breeze model configuration.This gentle breeze model configuration comprise be fixed in in the laboratory 2 crossbeam 3, hang on the crossbeam 3 and can and be arranged at fan blade 5 on the dolly 4 by gear train along these crossbeam 3 reciprocating dollies 4.When discharging fume performance test, this dolly 4 is under the drive of gear train, along these crossbeam 3 to-and-fro movements, can simulate the gentle breeze that the user produces when kitchen operation, natural gentle breeze under also can the analog kitchen environment, thereby make test data tally with the actual situation more, and make the content that has comprised wind resistance in the smoke evacuation performance of test.
Claims (6)
1. the lampblack absorber smoke evacuation performance test cell structure with resistance air outlet is characterized in that, comprising:
Interior laboratory, its metope are provided with and can supply to hang a lampblack absorber to be measured position, and offer the interior laboratory door for turnover;
Smoke discharging pipe, one end links to each other with the exhausr port of this lampblack absorber to be measured, and the other end reaches outside the interior laboratory, and is provided with a small-bore resistance tube, the aspiration channel center of a relay air blower is aimed in the outlet of this resistance tube, and a relay airduct is connected with this relay air blower;
Worktable is arranged at this lampblack absorber to be measured below;
The electric furnace evaporation boiler places on this worktable;
Dropper is used for splashing into mixed liquor in this electric furnace evaporation boiler;
Interior air inlet, be opened in hang this lampblack absorber to be measured under the face wall, and air inlet door in being provided with;
Empty exhaust outlet, be opened in this on breadboard wall, and be provided with and empty the exhaust outlet door and empty exhaust fan; And
Empty wind-supplying mouth, be opened on the wall of testing the chamber in this, and be provided with and empty the wind-supplying mouth door.
2. the lampblack absorber smoke evacuation performance test cell structure with resistance air outlet as claimed in claim 1 is characterized in that, also comprises:
Outer laboratory is arranged at outside this interior laboratory;
The external air inlet mouth is opened on this outer breadboard wall; With
Outer wind-supplying mouth is opened in this outer laboratory corresponding to being provided with on this wall that empties wind-supplying mouth, and this outer wind-supplying mouth empties by one and mends the wind passage and empty wind-supplying mouth with this and be connected;
This empties exhaust fan and is arranged at this outer laboratory corresponding to being provided with on this wall that empties exhaust outlet, and this empties exhaust fan and empties air exhaust passage by one and empty exhaust outlet with this and be connected.
3. the lampblack absorber smoke evacuation performance test cell structure with resistance air outlet as claimed in claim 2 is characterized in that, empties vent fan external at this and empties exhaust duct.
4. the lampblack absorber smoke evacuation performance test cell structure with resistance air outlet as claimed in claim 2 is characterized in that this external air inlet mouth is arranged at and is provided with on the same face wall of resistance tube.
5. the lampblack absorber smoke evacuation performance test cell structure with resistance air outlet as claimed in claim 2 is characterized in that, also comprises a gentle breeze model configuration, is arranged in this interior laboratory.
6. the lampblack absorber smoke evacuation performance test cell structure with resistance air outlet as claimed in claim 5, it is characterized in that this gentle breeze model configuration comprises and one is fixed in the crossbeam in laboratory in this, hangs on this crossbeam and can and be arranged at fan blade on this dolly along the reciprocating dolly of this crossbeam by gear train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092650 CN203101082U (en) | 2013-02-28 | 2013-02-28 | Range hood smoke discharging performance laboratory structure with resistance air outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092650 CN203101082U (en) | 2013-02-28 | 2013-02-28 | Range hood smoke discharging performance laboratory structure with resistance air outlet |
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| Publication Number | Publication Date |
|---|---|
| CN203101082U true CN203101082U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320092650 Expired - Fee Related CN203101082U (en) | 2013-02-28 | 2013-02-28 | Range hood smoke discharging performance laboratory structure with resistance air outlet |
Country Status (1)
| Country | Link |
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| CN (1) | CN203101082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926093A (en) * | 2014-03-20 | 2014-07-16 | 广东电网公司电力科学研究院 | Method for simulating additional component resistance through induced draft fan inlet baffle |
-
2013
- 2013-02-28 CN CN 201320092650 patent/CN203101082U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926093A (en) * | 2014-03-20 | 2014-07-16 | 广东电网公司电力科学研究院 | Method for simulating additional component resistance through induced draft fan inlet baffle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20150228 |
|
| EXPY | Termination of patent right or utility model |