JPH0442054A - Apparatus for evaluating and testing removal of smoke and odor with catalyst - Google Patents
Apparatus for evaluating and testing removal of smoke and odor with catalystInfo
- Publication number
- JPH0442054A JPH0442054A JP2149133A JP14913390A JPH0442054A JP H0442054 A JPH0442054 A JP H0442054A JP 2149133 A JP2149133 A JP 2149133A JP 14913390 A JP14913390 A JP 14913390A JP H0442054 A JPH0442054 A JP H0442054A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- air
- air path
- smoke
- gas sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 66
- 239000000779 smoke Substances 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000011156 evaluation Methods 0.000 claims abstract description 10
- 238000004332 deodorization Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 2
- 238000010411 cooking Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 29
- 235000019645 odor Nutrition 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は触媒による脱煙脱臭評価試験装置に関するもの
で、加熱調理時に食品から発生する煙や臭いなどによっ
て汚染された加熱室内の空気を加熱室外へ排出する際に
、触媒によって浄化したものと触媒を通さずにそのまま
排出するものとに２分し、それぞれの排出空気の性状を
ガスセンサで測定して各出力を比較し、触媒の効果を定
量化するというものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a test device for evaluating smoke and deodorization using a catalyst, and is used to remove air inside a heating chamber contaminated by smoke and odor generated from food during cooking to the outside of the heating chamber. When exhausting air, it is divided into two parts: one that is purified by the catalyst and one that is exhausted without passing through the catalyst.The properties of each exhaust air are measured with a gas sensor and the outputs of each are compared to quantify the effectiveness of the catalyst. The idea is to do so.
従来の技術
調理時に発生する煙や臭いを触媒によって浄化して排出
するクリーンシステムを備えた調理器が普及しつつある
。この種調理器の技術は例えば特開昭５５−６５８４３
号公報や特開昭５５〜１３４２２５号公報他に紹介され
ている。BACKGROUND ART Cooking appliances equipped with clean systems that use catalysts to purify and discharge smoke and odors generated during cooking are becoming popular. The technology for this type of cooker is disclosed in, for example, Japanese Patent Application Laid-Open No. 55-65843.
It has been introduced in Japanese Patent Application Laid-open No. 134225 and others.
このクリーンシステムを開発するためには、触媒の脱煙
脱臭性能の評価が精度良く行なわれなければならない。In order to develop this clean system, it is necessary to accurately evaluate the smoke and odor deodorizing performance of the catalyst.
従来、触媒性能を測定する手段として利用されてきたの
はガスクロマトグラフ等の分析測定技術であった６
発明が解決しようとする課題
上述した従来の分析測定技術では、触媒の評価結果を得
るのに長時間を要するために、多数回の実験を能率的に
行なうには問題が多かった。また、実調理の流れの中で
性能評価をすることも、困難であった。Conventionally, analytical measurement techniques such as gas chromatographs have been used as a means of measuring catalyst performance6.Problems to be Solved by the InventionThe conventional analytical measurement techniques described above are difficult to obtain evaluation results for catalysts. Because it takes a long time, there are many problems in efficiently conducting multiple experiments. Furthermore, it was difficult to evaluate performance during actual cooking.
課題を解決するための手段
本発明は調理によって発生する煙と臭いをガスセンサで
検知し、脱煙脱臭の効果を定量的に評価する。具体的に
は、加熱室の排気口に風路を２系統設け、一方の風路に
のみ触媒を取り付け、各風路から排出される空気のガス
濃度をガスセンサで検知する。各風路には温度センサの
ほか湿度センサを取り付けて、ガスセンサの出力を補正
する。Means for Solving the Problems The present invention detects smoke and odor generated by cooking using a gas sensor, and quantitatively evaluates the effectiveness of smoke and odor removal. Specifically, two air channels are provided at the exhaust port of the heating chamber, a catalyst is attached to only one of the air channels, and a gas sensor detects the gas concentration of the air discharged from each air channel. In addition to a temperature sensor, a humidity sensor is attached to each air path, and the output of the gas sensor is corrected.
また、各センサの耐久寿命を考慮して、センサに到達す
る空気を冷却する冷却器を備える。また。In addition, in consideration of the durability of each sensor, a cooler is provided to cool the air that reaches the sensor. Also.
触媒の活性を高めるために、触媒に加熱ヒータを取り付
ける。そして、触媒の有り無しにかかわらず、各風路の
風路抵抗が等しくなって同量の空気流が発生するように
、触媒を設置しないほうの風路には流通抵抗体を設置す
る。A heater is attached to the catalyst to increase its activity. Then, a flow resistor is installed in the air path where the catalyst is not installed so that the air path resistance of each air path becomes equal and the same amount of air flow is generated regardless of the presence or absence of the catalyst.
作用
加熱室内で発生した汚染空気が二つの風路を経て排出さ
れるとき、各風路のガスセンサによってガス濃度が検知
されて定量化され、触媒性能が評価される。When the contaminated air generated in the operational heating chamber is discharged through two air channels, the gas concentration is detected and quantified by the gas sensor in each air channel, and the catalyst performance is evaluated.
実施例
以下本発明の一実施例を第１図ないし第５図によって説
明する。EXAMPLE An example of the present invention will be explained below with reference to FIGS. 1 to 5.
図において、１は加熱室であり、１ａはその天井壁、１
ｂは加熱室右側壁、１ｃは左側壁、１ｄハ床壁、１ｅは
奥背壁、そして２は扉である。３は加熱室の内部空間で
あり、加熱体１３が備えられ、それには被加熱物１２が
載置される。４は発生した汚染空気を排出するために左
側壁１ｃに設けられた排気口、５はこの排気口４から排
出される汚染空気を集めて下流へ導く排気風路である。In the figure, 1 is a heating chamber, 1a is its ceiling wall, 1
b is the right side wall of the heating chamber, 1c is the left side wall, 1d is the floor wall, 1e is the back wall, and 2 is the door. Reference numeral 3 denotes an internal space of the heating chamber, which is provided with a heating body 13, on which the object to be heated 12 is placed. Reference numeral 4 designates an exhaust port provided on the left side wall 1c for discharging generated contaminated air, and 5 designates an exhaust air path that collects the contaminated air discharged from the exhaust port 4 and guides it downstream.
６は排気口５の流れを２分し、一方を触媒有りの風路７
へ、他方を触媒無しの風路７′へと導く分岐風路である
。この触媒有り風路７の上流風路８には触媒１１が取り
付けられるとともに下流風路９には還元性ガスに感応す
るガスセンサ】Ｏが取り付けられている。また、触媒無
し風路７′の上流風路８′には触媒は取り付けられてお
らず、下流風路９′には還元性ガスに感応するガスセン
サ１０′が取り付けられている。１４．１４’ はガス
センサ１０．１０’を各風路壁に着脱自在に取り付ける
ための取付板、１５は各ガスセンサのソケットであり、
このソケットには金属端子】６．１７およびリード、［
１８が接続している。6 divides the flow of the exhaust port 5 into two, and one side is connected to the air passage 7 with a catalyst.
This is a branched air path that leads the other side to a catalyst-free air path 7'. A catalyst 11 is attached to the upstream air passage 8 of the catalyst-containing air passage 7, and a gas sensor [O] sensitive to reducing gas is attached to the downstream air passage 9. Further, no catalyst is attached to the upstream air passage 8' of the catalyst-free air passage 7', and a gas sensor 10' sensitive to reducing gas is attached to the downstream air passage 9'. 14.14' is a mounting plate for detachably attaching the gas sensor 10.10' to each air passage wall; 15 is a socket for each gas sensor;
This socket has a metal terminal] 6.17 and a lead, [
18 are connected.
つぎにこのように構成した評価試験装置の動作を説明す
る。Next, the operation of the evaluation test apparatus configured as described above will be explained.
第５図はガスセンサ１０．１０’の感ガス特性を示す図
で、横軸はガス濃度を、縦軸はガスセンサの抵抗値を示
す。FIG. 5 is a diagram showing the gas-sensitive characteristics of the gas sensor 10.10', where the horizontal axis shows the gas concentration and the vertical axis shows the resistance value of the gas sensor.
加熱体】３しこ被加熱物１２を載置して加熱を開始する
と、被加熱物１２からは煙や臭いが発生し、排気口４を
通じて分岐風路６へ至り、触媒有り風路７および触媒無
し風路７′へ流入する。触媒有り風路７では、汚染空気
は触媒１１によって酸化されて浄化され、下流風路のガ
スセンサ１０へ到達する。[Heating element] When the object to be heated 12 is placed and heating is started, smoke and odor are generated from the object to be heated 12, which reaches the branch air path 6 through the exhaust port 4, and then flows into the air path 7 with catalyst and It flows into the catalyst-free air passage 7'. In the catalyst-containing air path 7, contaminated air is oxidized and purified by the catalyst 11, and reaches the gas sensor 10 in the downstream air path.
触媒無し風路７′では汚染空気は浄化されることなくガ
スセンサ１０′へ到達する。In the catalyst-less air passage 7', contaminated air reaches the gas sensor 10' without being purified.
各ガスセンサ１０．１０′ によって検知されたガスの
濃度が比較され、触媒１１の脱煙脱臭性能が評価される
。The concentrations of the gases detected by each gas sensor 10, 10' are compared, and the smoke and odor deodorizing performance of the catalyst 11 is evaluated.
以上説明した実施例によれば、実調理時の触媒性能評価
試験を簡単に実施することができる。According to the embodiment described above, a catalyst performance evaluation test during actual cooking can be easily carried out.
つぎに、他の実施例を説明する。第１図から第４図まで
に示した番号と同じ番号のものは同一部分である。Next, another embodiment will be described. Components with the same numbers as those shown in FIGS. 1 to 4 are the same parts.
第６図において、１９．１９′は触媒有りおよび同無し
風路の各末端に取付られた排気ファンである。In FIG. 6, reference numerals 19 and 19' are exhaust fans installed at each end of the air passages with and without catalyst.
この実施例によれば、排気ファン１９．１９′ が作動
することにより、ガスセンサによる検知の確実性が増す
利点がある。According to this embodiment, the operation of the exhaust fans 19, 19' has the advantage of increasing the reliability of detection by the gas sensor.
第７図は各風路の下流に湿度センサ２０．２０′ と温
度センサ２５．２５′ を設けた例を示すもので、この
第７図中２１は湿度センサ取付基板、２２は電子部品群
、２３は出力端子、２４ａ、２４ｂは基板２１を風路中
へ取り付けるための支柱である。Fig. 7 shows an example in which a humidity sensor 20, 20' and a temperature sensor 25, 25' are provided downstream of each air path, and in Fig. 7, 21 is a humidity sensor mounting board, 22 is a group of electronic components, 23 is an output terminal, and 24a and 24b are supports for attaching the board 21 into the air path.
この実施例によれば、ガス濃度検知データの中に本来台
まれてしまう湿度や温度の影響を排除して、ガス濃度検
知精度を向上させることができるという利点がある。According to this embodiment, there is an advantage that the gas concentration detection accuracy can be improved by eliminating the effects of humidity and temperature that are originally included in the gas concentration detection data.
第８図は各風路末端部に取り付けられた各センサの直前
に冷却装置２６．２６″を設けた例であり、中心部２６
ａ、Ｚ６ａ’ に風路を取り、その回りに冷却流路２６
ｃ、２６ｃ’ が形成され、それら冷却流路２６ｃ、２
６ｃ’ にはそれぞれ注水口２６ｂ、２６ｂ’ および
排水口２６ｄ、２６ｄ′が設けられている。Figure 8 shows an example in which a cooling device 26.26'' is provided just before each sensor attached to the end of each air passage, and the central portion 26.
a, Z6a', and a cooling flow path 26 around it.
c, 26c' are formed, and these cooling channels 26c, 26c' are formed.
6c' are provided with water inlets 26b, 26b' and drain ports 26d, 26d', respectively.
この実施例によれば、各風路を流れる空気が末端部の各
センサ部に至るときにはその温度は数十度にまで冷却さ
れるので、センサには高い耐熱性が要求されず、標準品
を使うことができる。According to this embodiment, when the air flowing through each air path reaches each sensor section at the end, its temperature is cooled down to several tens of degrees, so the sensor does not require high heat resistance, and standard products are not required. You can use it.
第９図は、触媒有り風路７内に取り付けられる触媒体１
１に加熱ヒータ２７を取り付けて触媒体の即熱性を高め
るほか触媒体の温度を任意に制御できるようにしたもの
である。FIG. 9 shows the catalyst body 1 installed in the air passage 7 with catalyst.
A heater 27 is attached to the catalytic converter 1 to improve the instant heating properties of the catalytic body and also to control the temperature of the catalytic body as desired.
この実施例によれば、触媒体の温度変化にともなう性能
の変化を試験評価することができる。According to this example, it is possible to test and evaluate changes in performance due to changes in the temperature of the catalyst.
第１０図は、触媒無し風路７′の上流部であって、触媒
有り風路７の上流部の触媒体１１の位置に相当する部分
に取り付けられて触媒１１と同等の空気流通抵抗を発生
する抵抗体を取り付けたものである。FIG. 10 shows the upstream part of the air passage 7' without a catalyst, which is attached to a part corresponding to the position of the catalyst body 11 in the upstream part of the air passage 7 with a catalyst, and generates the same air flow resistance as the catalyst 11. It has a resistor attached to it.
これにより、各風路の風量を等しくするために排気ファ
ン１９．１９′に同じ仕様のものを使うことができる上
に、各ガスセンサ部を流れる風量が等しくなって、風路
毎の測定精度がばらつかないようになる。また、風量を
変えたときの触媒性能について評価するのにも有効であ
る。This makes it possible to use exhaust fans 19 and 19' with the same specifications in order to equalize the air volume in each air path, and also to equalize the air volume flowing through each gas sensor section, improving measurement accuracy for each air path. There will be no variation. It is also effective for evaluating catalyst performance when changing air volume.
発明の効果
本発明によれば、実調理時の触媒の脱煙脱臭性能を即座
に試験評価することができる上に、多数回の試験評価に
も対応できる装置を提供することができる。Effects of the Invention According to the present invention, it is possible to provide an apparatus that can immediately test and evaluate the smoke and deodorization performance of a catalyst during actual cooking, and can also handle multiple tests and evaluations.
第１図は本発明の一実施例の上面図、第２図は第】図の
Ａ−ＡＪ断面図、第３図は第１図のＡ−Ａ″線断面図、
第４図は第２図のＢ−Ｂ線でありかつ第３図のＢ−Ｂ’
線断面図、第５図はガスセンサの感ガス特性図、第６図
は第２の実施例に係る上面図、第７図は第３の実施例に
係る縦断面図、第８図は第４の実施例に係る横断面図、
第９図は第５の実施例に係る横断面図である。
１・・・加熱室、 ４・・・排気口、７・・触
媒有りの風路、 ７′・・触媒無しの風路、１０、１
０’・・・ガスセンサ、１１・・・触媒、１９．１９′
・・・排気ファン、２０．２０′・・・湿度センサ、２
５．２５′・・・温度センサ、２６．２６′・・・冷却
器、２７・・・加熱ヒータ、 ２８・・・抵抗体。
出願人 株式会社日立ホームテック
ｌ−に
ＬやＡ
第１図
第
図
第２図
第
図
刀′ス濃屓（対数目へ）
第
図
第８１３ｉｉ！
第
図
石１ｏ図
平成２年ノ月Ｌ／日1 is a top view of an embodiment of the present invention, FIG. 2 is a sectional view taken along line A-AJ in FIG. 1, and FIG. 3 is a sectional view taken along line A-A'' in FIG.
Figure 4 is line B-B in Figure 2 and line B-B' in Figure 3.
5 is a gas-sensitive characteristic diagram of the gas sensor, FIG. 6 is a top view of the second embodiment, FIG. 7 is a longitudinal sectional view of the third embodiment, and FIG. 8 is a diagram of the fourth embodiment. A cross-sectional view according to an example of
FIG. 9 is a cross-sectional view of the fifth embodiment. 1... Heating chamber, 4... Exhaust port, 7... Air path with catalyst, 7'... Air path without catalyst, 10, 1
0'...Gas sensor, 11...Catalyst, 19.19'
...Exhaust fan, 20.20'...Humidity sensor, 2
5.25'... Temperature sensor, 26.26'... Cooler, 27... Heater, 28... Resistor. Applicant Hitachi Hometech Co., Ltd. L-Ni L and A Figure 1 Figure 2 Figure 2 Figure 813ii! Figure Stone 1o Figure 1990 Month L/Day
Claims (7)
を収納する加熱室（１）の排気口（４）に触媒有りの風
路（７）と触媒無しの風路（７’）とを接続し、触媒有
り風路内に触媒体（１１）を設け、更に両風路内の末端
最下流部にガスセンサ（１０、１０’）を設けたことを
特徴とする触媒による脱煙脱臭評価試験装置。(1), object to be heated (12) heated by heating body (13)
The air passage (7) with a catalyst and the air passage (7') without a catalyst are connected to the exhaust port (4) of the heating chamber (1) containing What is claimed is: 1. A catalyst-based smoke and deodorization evaluation test device, characterized in that a gas sensor (10, 10') is provided at the most downstream end of both air passages.
孔部に排気ファン（１９、１９’）を設けたことを特徴
とする請求項（１）記載の触媒による脱煙脱臭評価試験
装置。(2) Smoke removal and deodorization using a catalyst according to claim (1), characterized in that an exhaust fan (19, 19') is provided at each opening at the end of the air path with catalyst and the air path without catalyst. Evaluation test equipment.
にそれぞれ湿度センサ（２０、２０’）を設けるととも
に前記触媒有り風路においては前記触媒体設置位置より
下流の位置に設けたことを特徴とする請求項（１）記載
の触媒による脱煙脱臭評価試験装置。(3) Humidity sensors (20, 20') are provided in the air path with catalyst and in the air path without catalyst, respectively, and in the air path with catalyst, they are provided at a position downstream from the catalyst body installation position. A test device for evaluating smoke removal and deodorization using the catalyst according to claim (1).
にそれぞれ温度センサ（２５、２５’）を設けるととも
に前記触媒有り風路においては前記触媒体設置位置より
下流の位置に設けたことを特徴とする請求項（１）記載
の触媒による脱煙脱臭評価試験装置。(4) Temperature sensors (25, 25') are provided in the air path with catalyst and in the air path without catalyst, respectively, and in the air path with catalyst, they are provided at a position downstream from the catalyst installation position. A test device for evaluating smoke removal and deodorization using the catalyst according to claim (1).
上流風路（８）と、前記ガスセンサ、湿度センサおよび
温度センサを設けた下流風路（９）とに分け、これら上
下風路間に前記触媒体を通過した浄化空気を冷却する冷
却器（２６）を接続するほか、前記触媒無し風路を中空
の上流風路（８’）と、前記ガスセンサ、湿度センサお
よび温度センサを設けた下流風路（９’）とに分け、こ
れら上下風路間に前記加熱室からの排出空気を冷却する
冷却器（２６）を接続したことを特徴とする請求項（１
）記載の触媒による脱煙脱臭評価試験装置。(5) The air passage with the catalyst is divided into an upstream air passage (8) where the catalyst body is attached and a downstream air passage (9) where the gas sensor, humidity sensor and temperature sensor are installed, and these upper and lower air passages are In addition to connecting a cooler (26) between which cools the purified air that has passed through the catalyst body, the catalyst-free air path is replaced with a hollow upstream air path (8'), and the gas sensor, humidity sensor, and temperature sensor are provided. Claim (1) characterized in that a cooler (26) for cooling the exhaust air from the heating chamber is connected between the upper and lower air passages.
) A smoke removal and deodorization evaluation test device using the catalyst described in ).
とを特徴とする請求項（１）記載の触媒による脱煙脱臭
評価試験装置。(6) The smoke and deodorization evaluation test device using a catalyst according to claim (1), characterized in that a heater (27) is connected to the catalyst body.
有りの風路の空気流通抵抗と同じになるように前記触媒
無しの通路内に抵抗体（２８）を設けたことを特徴とす
る請求項（１）記載の触媒による脱煙脱臭評価試験装置
。(7) A resistor (28) is provided in the catalyst-free passage so that the air flow resistance of the catalyst-free air passage is the same as the air flow resistance of the catalyst-equipped air passage. A smoke removal and deodorization evaluation test device using the catalyst according to claim (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2149133A JPH0442054A (en) | 1990-06-07 | 1990-06-07 | Apparatus for evaluating and testing removal of smoke and odor with catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2149133A JPH0442054A (en) | 1990-06-07 | 1990-06-07 | Apparatus for evaluating and testing removal of smoke and odor with catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442054A true JPH0442054A (en) | 1992-02-12 |
Family
ID=15468463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2149133A Pending JPH0442054A (en) | 1990-06-07 | 1990-06-07 | Apparatus for evaluating and testing removal of smoke and odor with catalyst |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442054A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5581241A (en) * | 1994-08-12 | 1996-12-03 | Voice Products Inc. | Ultra-sensitive smoke detector |
| CN106705160A (en) * | 2016-12-11 | 2017-05-24 | 杭州老板电器股份有限公司 | Fume sucking and discharge effect evaluation device and evaluation method |
-
1990
- 1990-06-07 JP JP2149133A patent/JPH0442054A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5581241A (en) * | 1994-08-12 | 1996-12-03 | Voice Products Inc. | Ultra-sensitive smoke detector |
| CN106705160A (en) * | 2016-12-11 | 2017-05-24 | 杭州老板电器股份有限公司 | Fume sucking and discharge effect evaluation device and evaluation method |
| CN106705160B (en) * | 2016-12-11 | 2018-09-25 | 杭州老板电器股份有限公司 | Smoke suction vapour recruitment evaluation device and appraisal procedure |
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