CN212932630U - Test chamber for odor detection and odor detection system - Google Patents
Test chamber for odor detection and odor detection system Download PDFInfo
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- CN212932630U CN212932630U CN202020998286.8U CN202020998286U CN212932630U CN 212932630 U CN212932630 U CN 212932630U CN 202020998286 U CN202020998286 U CN 202020998286U CN 212932630 U CN212932630 U CN 212932630U
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Abstract
The utility model provides a test chamber and smell detecting system for smell detects, the test chamber for smell detects includes the main cabin body, aassessment cabin and air-blower, the main cabin body includes the holding chamber that is used for placing the sample board that is applied with architectural coatings with a brush; the evaluation cabin comprises a test cavity for placing the odor detector, and the volume of the test cavity is smaller than that of the accommodating cavity; the accommodating cavity is arranged in a sealing manner, and a detection opening is formed in the side wall of the accommodating cavity; the evaluation cabin is mounted to the main cabin body, and the test cavity is communicated with the accommodating cavity through the detection opening; the air blower is arranged on the main cabin body in a mode that an air outlet is communicated with the containing cavity, and air exchange between the containing cavity and the outside is realized. The utility model discloses can establish effectual smell testing standard, make the smell aassessment more accurate, reduce the detection error, and detection efficiency is high, has higher practicality.
Description
Technical Field
The embodiment of the utility model provides a smell detects technical field, and more specifically says, relates to a test chamber and smell detecting system for smell detects.
Background
With the ever-increasing standard of living and quality, consumers have become more and more concerned about the odor of architectural coatings, and the demand for low-odor architectural coatings is becoming more and more obvious. Therefore, reducing the odor of architectural coatings is an important trend in the current architectural coating market. However, the odor detection standard has not been established in the architectural coating industry today, resulting in varying performance levels for low odor or odorless coatings on the market.
Currently, the odor grade test of the architectural coating is generally carried out by manually carrying out on-site sniffing so as to judge the odor grade of the architectural coating. However, the manual sniffing method has subjective factors, i.e., human factors have large influence, which may cause inaccurate odor evaluation and large error of detection result, and further cause invalid detection.
In addition, because the sealing performance of the testing space is poor, other odors exist, and the method of manual sniffing can be influenced by larger environmental factors, so that the detection error is increased. And, when the multiple architectural coatings of synchronous detection, because the smell in the on-the-spot environment can't be dispelled fast, so can't accomplish the detection in the short time, detection efficiency is poor, and the practicality is comparatively not enough.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a to the above-mentioned influence that adopts the artifical method human factor of distinguishing of smelling great, smell aassessment not accurate, detection error is big and detection efficiency is low, the comparatively not enough problem of practicality, provide a test chamber and smell detecting system for smell detection.
The embodiment of the utility model provides a solve above-mentioned technical problem's technical scheme is, provide a test chamber for smell detects, including the main cabin body, aassessment cabin and air-blower, wherein: the main cabin body comprises an accommodating cavity for placing a sample plate coated with building paint; the evaluation cabin comprises a test cavity for placing the odor detector, and the volume of the test cavity is smaller than that of the accommodating cavity; the accommodating cavity is arranged in a sealing manner, and a detection opening is formed in the side wall of the accommodating cavity; the evaluation cabin is mounted to the main cabin body, and the test cavity is communicated with the accommodating cavity through the detection opening; the air blower is arranged on the main cabin body in a mode that an air outlet is communicated with the containing cavity, and air exchange between the containing cavity and the outside is realized.
Preferably, the test chamber comprises a first valve for sealing the detection opening, and both sides of the detection opening are communicated when the first valve is opened.
Preferably, the side wall of the accommodating cavity is provided with a blowing opening, and an air outlet of the blower is communicated with the accommodating cavity through the blowing opening;
the test chamber further comprises a second valve used for sealing the blowing opening, and when the second valve is opened, the air outlet of the air blower is communicated with the accommodating cavity.
Preferably, a central axis of the blowing opening and a central axis of the detecting opening are located on the same straight line.
Preferably, the test chamber has an evaluation opening at the top of the evaluation compartment, the size of the evaluation opening is adapted to the size of the detection head of the odor detector, and the volume of the test chamber is less than one tenth of the volume of the accommodating chamber;
the main cabin body and the assessment cabin are respectively a cuboid or a cube, and the wall thickness of the main cabin body is not less than 10 mm.
Preferably, the first valve and the second valve are electronic valves, respectively, and the first valve and the second valve are electrically connected with the blower, respectively;
the first valve opens to expose the detection opening when the blower starts blowing, and closes to seal the detection opening when the blower stops blowing; the second valve is opened to expose the blowing opening when the blower starts blowing, and is closed to seal the blowing opening when the blower stops blowing.
Preferably, the test chamber comprises a first switch button and a second switch button which are arranged on the main chamber body, the first switch button is electrically connected with the first valve, and the first valve is driven by the first switch button to be opened to expose the detection opening; the second switch button is electrically connected with the second valve, and the second valve is driven by the second switch button to be opened to expose the blowing opening.
Preferably, the test chamber comprises a command device arranged outside the main chamber body, and the command device is respectively in conductive connection with the first valve and the second valve; the instruction device comprises a signal component and a timer which are in conductive connection, wherein the timer starts timing when the first valve and the second valve are closed, and the signal component sends out a sound signal when the timer reaches preset time.
The embodiment of the utility model provides a still provide a smell detecting system for architectural coatings's smell aassessment, smell detecting system includes that at least one is used for architectural coatings to apply paint with a brush the sample board, is used for the drying architectural coatings's on the sample board drying equipment, be used for assessing the smell detector of smell grade and as above any one be used for the experimental cabin of smell detection.
Preferably, the odor detection system comprises two sample plates, and the plane area of each sample plate is less than one half of the cross-sectional area of the containing cavity and greater than one quarter of the cross-sectional area of the containing cavity; the volume of the accommodating cavity is greater than or equal to 100L.
The utility model discloses a test chamber and smell detecting system for smell detects has following beneficial effect: by arranging the main cabin body and arranging the relatively sealed containing cavity in the main cabin body, the optimal detection environment of the odor detector can be simulated, namely, the evaluation odor is generated in the containing cavity for the detection of the odor detector, so that the manual smell identification is not needed, the influence of human factors is avoided, an effective odor detection standard can be established, the odor evaluation is more accurate, the error of a detection result is reduced, the integral structure is simple and reasonable, the size is small, the carrying and the storage are convenient, the processing and the manufacturing are facilitated, and the cost is reduced; above-mentioned a test chamber for smell detects still can dispel the smell of holding intracavity high-efficiently through setting up the air-blower, not only can reduce environmental factor's influence, reduces detection error, can also realize carrying out multiple architectural coating's smell in the short time and detect, and detection efficiency is high, and has guaranteed that the holding intracavity only has single architectural coating's smell, has higher practicality.
Drawings
Fig. 1 is a schematic structural diagram of a test chamber for odor detection provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the embodiment of the present invention provides a schematic structural diagram of a test chamber and a smell detection system for smell detection, which can be applied to the technical field of smell detection, especially in the smell level detection of architectural coatings.
Specifically, the test chamber for odor detection in this embodiment includes a main chamber body 1, an evaluation chamber 2, and a blower 3, where the main chamber body 1 includes a receiving chamber 101 for receiving a sample plate painted with architectural coating, that is, the prepared architectural coating sample is placed in the receiving chamber 101, and then the architectural coating sample generates evaluation odor for detection in the receiving chamber 101 after relevant operations.
Of course, the accommodating cavity 101 of the main cabin 1 is preferably sealed, so as to prevent air leakage or odor from entering the accommodating cavity 101 to affect detection. The building coating sample can be formed by brushing a preset amount of building coating to be detected on the sample plate and then performing drying operation, is convenient to manufacture, does not occupy a large space, and can improve the convenience of detection.
The evaluation cabin 2 comprises a test cavity 201, and the test cavity 201 is mainly used for placing the odor detector, so that the detection operation of the odor detector is facilitated. In order to ensure the overall sealing performance of the odor detector during detection, the volume of the testing cavity 201 is smaller than that of the accommodating cavity 101, so that air leakage caused by the large volume of the testing cavity 201 is effectively avoided, and the detection effect on the evaluated odor is further ensured.
Further, the above-mentioned evaluation chamber 2 is detachably assembled with the main chamber 1. Certainly, in practical application, the evaluation cabin 2 and the main cabin body 1 can also be integrally formed in a welding mode, so that the processing is convenient, the assembly operation difficulty is reduced, and the evaluation cabin can be determined according to actual conditions. In addition, the side wall of the accommodating cavity 101 of the main cabin 1 is provided with a detection opening 11, and the test cavity 201 of the evaluation cabin 2 is communicated with the accommodating cavity 101 through the detection opening 11, that is, after the evaluation odor is generated in the accommodating cavity 101, the evaluation odor can overflow to the test cavity 201 through the detection opening 11 for detection by an odor detector. Moreover, because the volume of the test chamber 201 is smaller than that of the accommodating chamber 101, air leakage can be prevented, the consistency of the evaluation smell concentration in the test chamber 201 and the evaluation smell concentration in the accommodating chamber 101 is ensured, and the detection error is reduced.
Particularly, the blower 3 is installed to the main cabin 1 in such a manner that the air outlet is communicated with the accommodating chamber 101, so that odor in the accommodating chamber 101 can be removed by blowing air through the blower 3, thereby realizing ventilation between the accommodating chamber 101 and the outside. Because when putting the sample board that will be applied with architectural coatings to holding chamber 101, have other smells to get into holding chamber 101, consequently need air-blower 3 to dispel at this moment to avoid mixing into other smells and influence the detection judgement of follow-up smell detector.
Above-mentioned a test chamber for smell detects is through setting up the main cabin body 1 to set up the holding chamber 101 of relative seal in the main cabin body 1, thereby can simulate and form the best detection environment that supplies the smell detector aassessment, need not the manual work like this and smell the smell grade of distinguishing and judging architectural coating, avoided the influence of human factor, thereby can establish effectual smell detection standard, make the smell aassessment to architectural coating more accurate, and then reduce detection error greatly. Moreover, the test chamber for odor detection is simple and reasonable in structure with the main chamber body 1 and the assessment chamber 2, convenient to carry and store, beneficial to being used on a building site, convenient to process and manufacture, low in cost and beneficial to being popularized and used, so that the problem that the odor detection standard of architectural coatings does not exist at present is solved.
In addition, above-mentioned test chamber for smell detects is still through setting up air-blower 3, carries out the blast air operation by air-blower 3 to the holding chamber 101 of the main cabin body 1 and dispels the smell with the high efficiency, so not only can reduce environmental factor's influence, reduces detection error, can also realize detecting the smell of multiple architectural coatings in the short time, detection efficiency is relatively high, need not to wait for, and can guarantee that only there is single architectural coatings's smell in the holding chamber 101, has higher practicality.
In particular, the test chamber comprises a first valve for sealing the detection opening 11, so as to ensure that the tightness of the housing chamber 101 is controllable, facilitating the sealing operation for the odor detection of architectural coatings. And, when first valve was opened, the both sides intercommunication of detecting opening 11, and holding chamber 101 and test chamber 201 intercommunication promptly can simplify the structure like this, avoids controllable design to cause the structure to complicate.
The lateral wall of above-mentioned holding chamber 101 is equipped with opening 12 of blowing, and the air outlet of air-blower 3 communicates with holding chamber 101 through this opening 12 of blowing, and air-blower 3 accessible opening 12 of blowing is to the interior blast air of holding chamber 101 promptly to dispel the smell in the holding chamber 101. In order to ensure the sealing performance of the accommodating chamber 101, the test chamber further comprises a second valve for sealing the blowing opening 12, and when the second valve is opened, the air outlet of the air blower 3 is communicated with the accommodating chamber 101, so that the air blower 3 can blow air into the accommodating chamber 101.
The side wall where the blowing opening 12 is located and the side wall where the detection opening 11 is located are a set of opposite side walls of the main cabin body 1, and the central axis of the blowing opening 12 and the central axis of the detection opening 11 are located on the same straight line, so that when the blower 3 blows air, the odor in the accommodating cavity 101 can be blown out through the detection opening 11, the odor in the accommodating cavity 101 is removed, and the air exchange operation between the accommodating cavity 101 and the outside is realized. The size of the opening of the detection opening 11 is preferably larger than or equal to the size of the opening of the blowing opening 12, which is beneficial to accelerating the air exchange efficiency between the accommodating cavity 101 and the outside and shortening the detection time.
Of course, in practical application, the sizes of the openings of the blowing opening 12 and the detecting opening 11 and the mutual position relationship can be adjusted according to practical situations, so as to meet practical design requirements while ensuring the complete function of the ventilation operation.
In an embodiment of the present invention, the testing chamber 201 has an evaluation opening 21 located at the top of the evaluation chamber 2, and the size of the evaluation opening 21 is adapted to the size of the detection head of the odor detector, so that the detection head of the odor detector can be inserted into the testing chamber 201 through the evaluation opening 21 to perform reliable detection operation on the evaluation odor.
The volume of the test cavity 201 is preferably smaller than one tenth of the volume of the accommodating cavity 101, so that the sealing performance is ensured, air leakage during detection is prevented, the odor level of the evaluation odor overflowing into the test cavity 201 can be accurately judged by the odor detector, the detection effect is improved, and the detection invalidation caused by the large error is avoided.
In addition, the main cabin body 1 and the evaluation cabin 2 are cuboids, so that the manufacturing and the processing are convenient, and the operation of placing the sample plates into the main cabin body 1 is facilitated. In addition, in order to ensure the sealing performance of the main cabin body 1, the wall thickness of the main cabin body 1 should be greater than or equal to 10 mm. Of course, in practical applications, the main cabin 1 and the evaluation cabin 2 may also be cubes, and may be determined according to practical situations.
The utility model discloses a further embodiment, the first valve on the opening 11 of detection and the second valve on the opening 12 of blowing are electronic valve respectively, and first valve and second valve are connected with air-blower 3 electrically conductively respectively, can realize intelligent control between first valve, second valve and the air-blower 3 three promptly, and then improve the intellectuality of test chamber, simplify operating procedure, are favorable to reducing operating personnel's operation intensity of labour.
Further, the first valve is opened to expose the detection opening 11 when the blower 3 starts blowing, and is closed to seal the detection opening 11 when the blower 3 stops blowing. Likewise, the second valve is opened when the blower 3 starts blowing to expose the blowing opening 12; and is closed when the blower 3 stops blowing to seal the blowing opening 12. Therefore, the first valve and the second valve can be automatically opened and closed under the driving control of the air blower 3, the air blower 3 can reliably blow air to the inside of the accommodating cavity 101, the normal operation of the accommodating cavity 101 and the external air exchange operation is ensured, namely, when the air blower 3 is started, the first valve and the second valve are not required to be manually opened, the operation steps are reduced, the labor intensity of the operation is reduced, the operation personnel can be effectively prevented from being leaked (namely, the first valve and/or the second valve is not opened), the air exchange operation is invalid, and the reliable operation of the odor detection operation is ensured.
Preferably, the test chamber further comprises a first switch button and a second switch button which are arranged on the main chamber body 1, the first switch button is electrically connected with the first valve, and the first valve is driven by the first switch button to be opened to expose the detection opening 11. And the second shift knob is electrically conductively connected with the second valve, and the second valve is opened under the drive of second shift knob in order to expose the opening 12 of blowing, namely through first shift knob and second opening button, can the independent control first valve and the opening and the closing operation of second valve, be favorable to improving the controllability of operation to satisfy the evaluation operation demand in smell detection.
In another embodiment of the present invention, the above-mentioned test chamber for odor detection includes an instruction device 4 installed outside the main chamber body 1 and used for sending an operation instruction, and the instruction device 4 is electrically connected to the first valve and the second valve respectively, so that the instruction device 4 can send an operation instruction according to the states of the first valve and the second valve, thereby making the test chamber more intelligent.
Specifically, the command device 4 includes a signal component and a timer, which are electrically connected, the timer starts timing when the first valve and the second valve are closed, and the signal component emits a sound signal when the timer reaches a preset time. Because other peculiar smells enter the holding cavity 101 when the sample plate coated with the architectural coating is placed in the holding cavity 101, the air blower 3 is required to remove the peculiar smells, the sample plate is required to be kept still in the holding cavity 101 for a certain time after the sample plate is removed, so that the evaluated smell is generated, at the moment, the preset time of the timer can be set as the standing time required by the sample plate, namely, after the evaluated smell is generated, the signal component can send out a sound signal to remind an operator to carry out detection operation, the phenomenon that the optimal detection time is missed is avoided, or the smell evaluation effect of the architectural coating is influenced due to inconsistent detection operation.
The embodiment of the utility model provides a still provide a smell detecting system, this smell detecting system mainly used architectural coatings's smell aassessment. Specifically, the odor detection system comprises at least one sample plate for painting architectural paint, a drying device for drying the architectural paint on the sample plate, an odor detector for evaluating odor grade, and the test chamber for odor detection.
Further, the odor detection system comprises two sample plates, and the plane area of each sample plate is smaller than one half of the cross-sectional area of the accommodating cavity 101 and larger than one fourth of the cross-sectional area of the accommodating cavity 101, so that the two sample plates can be simultaneously placed at the bottom of the accommodating cavity 101 in a side-by-side mode, and meanwhile, the evaluation odor can be reliably generated. In particular, the volume of the accommodating cavity 101 is preferably 100L, which does not occupy a large space, is convenient to carry and store, and can generate the evaluation smell for the smell detector to detect.
The embodiment of the utility model provides an in, the bottom of the holding chamber 101 of above-mentioned test chamber is provided with two installation positions that are used for fixed two sample boards, when two sample boards were put the installation position like this, had both made things convenient for to place the operation, can make two sample boards set up with architectural coatings place plane up again.
The sample plate is preferably made of glass material, is tasteless and convenient to use, is beneficial to processing, and reduces the manufacturing cost. In practical application, the two sample plates can be arranged on the planeSet up the first scale that sets up along length direction respectively and the second scale that sets up along width direction, the scope that convenient control architectural coatings applied paint with a brush improves the uniformity that detects the sample. When the volume of the housing chamber 101 is 100L, the planar area of the two sample plates is preferably set to 600cm2。
When in use, the test chamber and the sample plate can be cleaned by odorless distilled water and then dried by drying equipment for later use. Coating the architectural paint to be detected on the planes of the two sample plates (the coating area of each sample plate is specifically 600 cm)2And the coating amount is 10g), then the two sample plates are placed into drying equipment (constant temperature) for drying treatment (specifically drying at 50 ℃ for 30min), the two sample plates are taken out and placed at room temperature (specifically standing for 30min), then the sample plates are placed into the accommodating cavity 101 with the coating surfaces facing upwards, an air blower 3 is started to blow air (blowing air for 10min), the sample plates are placed in the accommodating cavity 101 for preset time (specifically sealed and placed for 45min) after the air blowing is finished, namely, the command device 4 sends out a sound signal, the first valve is independently opened, the odor detector is used for detecting in the testing cavity 201, and the odor evaluation of the architectural coating is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A test chamber for odor detection comprising a main chamber body, an evaluation chamber and a blower, wherein: the main cabin body comprises an accommodating cavity for placing a sample plate coated with building paint; the evaluation cabin comprises a test cavity for placing the odor detector, and the volume of the test cavity is smaller than that of the accommodating cavity; the accommodating cavity is arranged in a sealing manner, and a detection opening is formed in the side wall of the accommodating cavity; the evaluation cabin is mounted to the main cabin body, and the test cavity is communicated with the accommodating cavity through the detection opening; the air blower is arranged on the main cabin body in a mode that an air outlet is communicated with the containing cavity, and air exchange between the containing cavity and the outside is realized.
2. A test chamber for odor detection as claimed in claim 1, wherein the test chamber includes a first valve for sealing the detection opening, and both sides of the detection opening communicate when the first valve is opened.
3. The test chamber for odor detection as claimed in claim 2, wherein the side wall of the accommodating chamber is provided with a blowing opening, and the air outlet of the blower is communicated with the accommodating chamber through the blowing opening;
the test chamber further comprises a second valve used for sealing the blowing opening, and when the second valve is opened, the air outlet of the air blower is communicated with the accommodating cavity.
4. A test chamber for odor detection as claimed in claim 3, wherein a central axis of the air blowing opening and a central axis of the detection opening are located on the same straight line.
5. A test chamber for odor detection as claimed in claim 1, wherein the test chamber has an evaluation opening at the top of the evaluation chamber, the evaluation opening being sized to fit the size of a detection head of an odor detector, and the volume of the test chamber being less than one tenth of the volume of the receiving chamber;
the main cabin body and the assessment cabin are respectively a cuboid or a cube, and the wall thickness of the main cabin body is not less than 10 mm.
6. A test chamber for odor detection as claimed in claim 3, wherein said first and second valves are electronic valves, respectively, and said first and second valves are electrically connected to said blower, respectively;
the first valve opens to expose the detection opening when the blower starts blowing, and closes to seal the detection opening when the blower stops blowing; the second valve is opened to expose the blowing opening when the blower starts blowing, and is closed to seal the blowing opening when the blower stops blowing.
7. A test chamber as claimed in claim 6, wherein the test chamber comprises a first switch button and a second switch button disposed on the main chamber body, the first switch button is electrically connected to the first valve, and the first valve is opened by the first switch button to expose the detection opening; the second switch button is electrically connected with the second valve, and the second valve is driven by the second switch button to be opened to expose the blowing opening.
8. A test chamber for odor detection as defined in claim 6, wherein said test chamber includes command means disposed outside said main chamber body, said command means being in conductive communication with said first and second valves, respectively; the instruction device comprises a signal component and a timer which are in conductive connection, wherein the timer starts timing when the first valve and the second valve are closed, and the signal component sends out a sound signal when the timer reaches preset time.
9. An odor detection system for odor assessment of architectural paints, characterized in that the odor detection system comprises at least one sample plate for architectural paint application, a drying device for drying architectural paint on the sample plate, an odor detector for assessing odor level and a test chamber for odor detection according to any of claims 1-8.
10. The odor detection system of claim 9 wherein said odor detection system comprises two sample plates, and each of said sample plates has a planar area less than one-half the cross-sectional area of said housing chamber and greater than one-fourth the cross-sectional area of said housing chamber; the volume of the accommodating cavity is greater than or equal to 100L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020998286.8U CN212932630U (en) | 2020-06-03 | 2020-06-03 | Test chamber for odor detection and odor detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020998286.8U CN212932630U (en) | 2020-06-03 | 2020-06-03 | Test chamber for odor detection and odor detection system |
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| CN212932630U true CN212932630U (en) | 2021-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2773281C1 (en) * | 2021-07-13 | 2022-06-01 | Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия радиационной, химической и биологической защиты имени Маршала Советского Союза С.К. Тимошенко" Министерства обороны Российской Федерации | Method for assessing the odor of a gas-air mixture of odorants using a test chamber |
-
2020
- 2020-06-03 CN CN202020998286.8U patent/CN212932630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2773281C1 (en) * | 2021-07-13 | 2022-06-01 | Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия радиационной, химической и биологической защиты имени Маршала Советского Союза С.К. Тимошенко" Министерства обороны Российской Федерации | Method for assessing the odor of a gas-air mixture of odorants using a test chamber |
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