CN203259350U - Laboratory structure for smoke exhaust performance of range hood under constant temperature and constant humidity condition - Google Patents
Laboratory structure for smoke exhaust performance of range hood under constant temperature and constant humidity condition Download PDFInfo
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- CN203259350U CN203259350U CN 201320092731 CN201320092731U CN203259350U CN 203259350 U CN203259350 U CN 203259350U CN 201320092731 CN201320092731 CN 201320092731 CN 201320092731 U CN201320092731 U CN 201320092731U CN 203259350 U CN203259350 U CN 203259350U
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Abstract
The utility model provides a laboratory structure for smoke exhaust performance of a range hood under a constant temperature and constant humidity condition. Conventional laboratory structures neglect effects of temperature and humidity on test results. The laboratory structure for the smoke exhaust performance of the range hood comprises an internal laboratory, a smoke exhaust pipeline, a workbench, an electric-furnace evaporation boiler, a liquid dropping device, an internal air inlet, an emptying exhaust outlet, an emptying air supply inlet and an air-temperature adjustment apparatus. A position for hanging the to-be-tested range hood is arranged on a wall of the internal laboratory and an internal laboratory door for entering and going is mounted on the wall. One end of the smoke exhaust pipeline is connected with an exhaust outlet of the to-be-tested range hood and the other end of the smoke exhaust pipeline extends outside the internal laboratory. The workbench is disposed below the to-be-tested range hood. The electric-furnace evaporation boiler is arranged on the workbench. The liquid dropping device is used for dropping mixed liquid to the electric-furnace evaporation boiler. The internal air inlet is opened below a wall opposite to the wall for hanging the to-be-tested range hood. An internal air inlet door is mounted on the internal air inlet. The emptying exhaust outlet is disposed on the wall of the internal laboratory. An emptying air outlet door and an emptying exhaust fan are disposed on the emptying exhaust outlet. The emptying air supply inlet is arranged on the wall of the internal laboratory. An emptying air supply inlet door is mounted on the emptying air supply inlet. The air-temperature adjustment apparatus is disposed in the internal laboratory.
Description
Technical field
The utility model relates to a kind of lampblack absorber smoke evacuation performance test cell structure, relates in particular to the enforcement that detects lampblack absorber smoke evacuation performance under the constant condition of temperature and humidity and tests cell structure.
Background technology
The smoke evacuation performance is to estimate one of very important index of lampblack absorber.In standard GB/T/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 upper middle position of Wall of rice 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, automatically control cooking bottom temperature at 170 ± 10 ℃ by electronic thermostat.Have the air inlet 06 that door is housed under 03 pair of face wall of lampblack absorber, loose 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: opened first the lampblack absorber exhaust 30 minutes, and air cleaner was carried out in the laboratory process, get rid of the butanone smell that existence was last time detected in the laboratory.Then close 01 in laboratory, open the door that arranges on the air inlet 06, the dropping liquid test is 30 minutes under lampblack absorber 03 duty, closes in the behind the door surveying laboratory 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, laboratory 01 is re-started air cleaner process, close laboratory 01 respectively behind the door, under lampblack absorber 03 stopped status, dropping liquid is 30 minutes again, the Cmax of surveying laboratory 01 interior butanone.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, the method and experiment structure are considered environment temperature and temperature to detecting the impact of data when detecting, and the test data of acquisition is unstable.
The utility model content
The inventor shows that by reality test the smoke evacuation performance is subjected to the impact of temperature and humidity very large, temperature especially, 1 ℃ of average every variation, detected value just might difference up to about 20%, therefore, traditional detection method and structural failure are very large.
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 of constant temperature and humidity, improves the accuracy that detects, and reduces error.
According to above-mentioned purpose, constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure of the present utility model comprises:
Interior laboratory, being provided with at its metope can be for hanging a lampblack absorber to be measured position, and offers the interior laboratory door for turnover;
Smoke discharging pipe, an 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;
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 be provided with interior air inlet door;
Empty exhaust outlet, be opened on the wall in laboratory in this, and be provided with and empty the exhaust outlet door and empty exhaust fan;
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; And
Air temperature modification equipment is arranged in this interior laboratory.
In above-mentioned constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure, also comprise: the air humidity conditioning equipment is arranged in this interior laboratory.
In above-mentioned constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure, also comprise a gentle breeze model configuration, 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 above-mentioned constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure, also comprise: outer laboratory is arranged at outside this interior laboratory;
The external air inlet mouth is opened on the wall in this outer laboratory; With
Outer wind-supplying mouth is opened in this outer laboratory corresponding to arranging 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 arranging 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 constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure, empty vent fan external at this and empty exhaust duct.
In above-mentioned constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure, the other end of this smoke discharging pipe reaches outside this outer laboratory, connect a small-bore resistance tube in this smoke discharging pipe terminal, 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.
In above-mentioned constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure, this external air inlet mouth be arranged at the same face wall that resistance tube is set on.
In above-mentioned constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure, the metope outside this in laboratory is provided with heat-insulation layer.
In above-mentioned constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure, another air temperature modification equipment and another air humidity conditioning equipment are set in the laboratory outside this.
As mentioned above, in laboratory structure of the present utility model, set up adjustment and Humidity regulating equipment, thereby can keep the temperature and humidity protection in the laboratory constant.In addition, in a further embodiment, laboratory structure is divided into inside and outside two laboratories, inner room is as detecting main laboratory, and when air cleaner was processed, room air was through emptying air exhaust passage, outdoor with special-purpose vent fan discharge, directly fill into indoor by the external world through mending the wind passage and mend wind.Outer laboratory is equivalent to closed state, can utilize air-conditioning to keep uniform temperature, and deposit detects required weighing apparatus warm air.After processing through air cleaner, only need inner room is carried out the temperature and humidity regulation of air, save time and heat energy, so just can under the constant temperature and humidity condition, detect, improve accuracy of detection.
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 of constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure 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 of constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure 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.The all parts that draws in the mode of illustrating among the figure, but should be appreciated that this only is for the ease of diagram, those skilled in the art can obtain actual structure according to these schematic parts, and do not need to pay performing creative labour for this reason.
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 in the drawings lampblack absorber 6 to be measured, 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, these smoke discharging pipe 17 1 ends pass through 2 tops, interior laboratory reaches outside the interior laboratory 2 other end.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, be provided with electric furnace evaporation boiler 7 at worktable 8.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 electronic thermostat, is not described in detail at this.
In interior laboratory 2 hang lampblack absorber to be measured under the face wall, offer interior air inlet 11, at interior air inlet 11 devices interior air inlet door (not marking among the figure) is arranged.When 2 air intake of the inside laboratory of needs, air inlet door is opened in this, otherwise can close air inlet door in this.
Metope in interior laboratory 2 offers and empties exhaust outlet 23 and empty wind-supplying mouth 24, be provided with and empty exhaust outlet door (not marking among the figure) and empty exhaust fan 15 emptying exhaust outlet 23, be provided with and empty wind-supplying mouth door (not marking among the figure) emptying wind-supplying mouth 24.When needs empty interior 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.
In the utility model, in interior laboratory 2, also set up an air temperature modification equipment, be used for the room temperature in interior laboratory 2 is controlled under the temperature of regulation, so that test process carries out under identical temperature, to reduce the test error that causes because of temperature variation.
Equally, in the utility model, in interior laboratory 2, can also set up an air humidity conditioning equipment, be used for the humidity in interior laboratory 2 is controlled under the humidity of regulation, so that test process carries out, change the test error that causes because of humidity with minimizing under identical humidity.
Installation site as for air temperature modification equipment and air humidity conditioning equipment there is no special requirement, as long as the temperature and humidity in the laboratory 2 keeps constant in keeping.Air temperature modification equipment can adopt air-conditioning etc., and the air humidity conditioning equipment can adopt humidifier and/or dehumidifier.
In lampblack absorber smoke evacuation performance test cell structure as above, air temperature modification equipment and/or air humidity conditioning equipment have been set up, and suitably adjusted interior air inlet, emptied exhaust outlet and emptied the structure of wind-supplying mouth, so that the temperature in interior laboratory 2 and/or humidity can keep constant preferably when testing, thereby be conducive to improve the accurate of detection, reduce Yin Wendu and/or humidity and change the error that causes.
In addition, on the basis of above-described embodiment, the inventor has also carried out further improvement to above-mentioned constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure, and the below will be further described on the basis of Fig. 2 to Fig. 4.
Continuation is referring to Fig. 2 to Fig. 4, and in another embodiment of the present utility model, 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.Interior another air temperature modification equipment and another air humidity conditioning equipment of arranging in laboratory 1 outside as required.Arranging of these temperature and humidity conditioning equipments can with reference to the conditioning equipment of interior laboratory 2 interior settings, no longer repeat at this.In addition, on the metope in laboratory 1 heat-insulation layer is set outside.
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 turns back to amount in the interior laboratory 2 from emptying wind-supplying mouth 24, improve to empty efficient, empty exhaust duct 14 emptying vent fan 15 external.
Further consider that lampblack absorber often is subject to larger exhaust resistance in actual use, for example: exhaust duct is thin, long, detour is many; The high residential building common flue is narrow; Door and window closes in the family, only from crack between a door and its frame, mend on a small quantity the factors such as wind during air draft, in another embodiment, the other end of smoke discharging pipe 17 reaches outside the outer laboratory 1, 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, after all catching with the gas that contains butanone that resistance tube 20 is discharged by relay airduct 18 discharge that hoists.And 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 be used for opening the lampblack absorber air draft, but be provided with the door of switch on the external air inlet mouth 19.So laboratory structure is so that comprised the content of resistive drag force sexuality in the lampblack absorber performance that detects, in addition, external air inlet mouth 19 and resistance tube device are after on the same face wall, eliminated the impact of extraneous wind-force, and discharged to eminence, the flue gas that the resistance pipe is discharged when having solved detection returns the laboratory by the external air inlet mouth and produces the problem that detects error the flue gas that resistance tube is discharged easily with relay air blower.
Continuation is referring to Fig. 2 to Fig. 4.The inventor considers lampblack absorber when reality is used, and usually also have the user 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 comprises the crossbeam 3 that is fixed in the interior laboratory 2, hangs on the crossbeam 3 and can and be arranged at fan blade 5 on the dolly 4 along these crossbeam 3 reciprocating dollies 4 by gear train.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 so that test data tallies with the actual situation more, and make the content that has comprised wind resistance in the smoke evacuation performance of test.
Claims (5)
1. a constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure is characterized in that, comprising:
Interior laboratory, being provided with at its metope can be for hanging a lampblack absorber to be measured position, and offers the interior laboratory door for turnover;
Smoke discharging pipe, an 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;
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 be provided with interior air inlet door;
Empty exhaust outlet, be opened on the wall in laboratory in this, and be provided with and empty the exhaust outlet door and empty exhaust fan;
Empty wind-supplying mouth, be opened on the wall in laboratory in this, and be provided with and empty the wind-supplying mouth door; And
Air temperature modification equipment is arranged in this interior laboratory.
2. constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure as claimed in claim 1 is characterized in that, also comprises: the air humidity conditioning equipment is arranged in this interior laboratory.
3. constant temperature and humidity lampblack absorber as claimed in claim 1 or 2 smoke evacuation performance test cell structure, it is characterized in that, also comprise a gentle breeze model configuration, this gentle breeze model configuration comprises and one is fixed in the crossbeam in laboratory in this, hangs on the crossbeam and can and be arranged at fan blade on this dolly along the reciprocating dolly of this crossbeam by a gear train.
4. constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure as claimed in claim 1 or 2 is characterized in that, also comprises:
Outer laboratory is arranged at outside this interior laboratory;
The external air inlet mouth is opened on the wall in this outer laboratory; With
Outer wind-supplying mouth is opened in this outer laboratory corresponding to arranging 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 arranging 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.
5. constant temperature and humidity lampblack absorber smoke evacuation performance test cell structure as claimed in claim 1 or 2 is characterized in that, empties vent fan external at this and empties exhaust duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092731 CN203259350U (en) | 2013-02-28 | 2013-02-28 | Laboratory structure for smoke exhaust performance of range hood under constant temperature and constant humidity condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092731 CN203259350U (en) | 2013-02-28 | 2013-02-28 | Laboratory structure for smoke exhaust performance of range hood under constant temperature and constant humidity condition |
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| Publication Number | Publication Date |
|---|---|
| CN203259350U true CN203259350U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320092731 Expired - Fee Related CN203259350U (en) | 2013-02-28 | 2013-02-28 | Laboratory structure for smoke exhaust performance of range hood under constant temperature and constant humidity condition |
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| CN (1) | CN203259350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959521A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of range hood smoking effect test device and test method |
-
2013
- 2013-02-28 CN CN 201320092731 patent/CN203259350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959521A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of range hood smoking effect test device and test method |
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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: 20131030 Termination date: 20150228 |
|
| EXPY | Termination of patent right or utility model |