200949167 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種分離式冷氣系統，特別是指一種 可將預冷新鮮空氣輸入室内的分離式冷氣系統。 【先前技術】 隨著物質水平的提高，冷氣系統已成為現代家庭生活 中不可或缺的一部份，且冷氣系統已由原本的窗型冷氣系 統發展出可有效降低噪音的分離式冷氣系統。 參閱圖1、2,為現有一種分離式冷氣系統5,包含一 室外機51、一室内機52,及一連接該室外機51與該室内 機52之管路單元53，該室内機52包括一蒸發器52ι，及 一風扇522,該管路單元53包括連接該室外機51與該室内 機52且分別輸送液態與氣態冷媒之液管531和氣管， 及一輸水管533。該分離式冷氣系統5運作時，該室外機 51是將常溫低壓之液態冷媒經由該液管531輸送至該室内 機52之蒸發器521，使因該風扇522運轉而流經該蒸發器 521之至内空氣降溫而成為低溫之冷氣，當冷媒在經過該蒸 發器521後，是藉由該氣管532流回該室外機51而開始另 一次新的循環。 但由於該分離式冷氣系統5僅是對室内空氣進行循壤 降溫，因此，當使用者在室内停留時間較長時，空氣的品 質會隨著時間增長而降低，例如使用者在室内睡覺時，= 内空氣之品質將因二氧化碳濃度隨著時間增加而降低；t 如使用者在室内抽菸，除了使二氧化碳濃度增加外，還會 5 200949167 使得室内空氣充滿異味，同樣會使空氣品質降低。 【發明内容】 因此’本發明之一目的’即在提供一種可將預冷新鮮 空氣輸入室内的分離式冷氣系統。 於是’本發明可將預冷新鮮空氣輸入室内的分離式冷 氣系統包含一室外機、一室内機、一預冷單元，及一管路 單元。該預冷單元是與該室外機電連接，並包括一具有一 入風口之殼體、一鄰近該入風口之熱交換器、一迫使新鮮 空氣由該入風口流經該熱交換器之風扇、一過濾進入該殼 體内之新鮮空氣的過濾件，及一將通過該熱交換器之新鮮 空氣加壓輸出的空壓機。該管路單元包括一用以輸送氣態 冷媒之氣管，及一輸送該預冷單元之空壓機壓縮後的預冷 新鮮空氣至室内的輸氣管，該氣管具有一連接該室内機與 該預冷單元之第一連接段，及一連接該預冷單元與該室外 機之第二連接段。 本發明之功效在於：藉由該風扇迫使新鮮空氣流經該 熱父換益而進行預冷’再經由該空壓機將預冷後之新鮮空 氣經由該輸氣管輸出至室内，可進一步改善室内空氣品質 〇 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之一個較佳實施例的詳細說明中，將可 清楚的革現。 參閱圖3、4、6,本發明可將輸入室内之新鮮空氣預冷 6 200949167 室内機2 預 的分離式冷氣系統’包含有一室外機卜 冷單元3，及一管路單元4。 該室：機1是裝設於室外之適當位置處，並包括一壓 縮機η、-與該壓縮機n連接之冷凝器12 12連接之控制11 13’及-對應設置於該冷凝器 壤水件14’該麗水件14可以是一讓水盤或—水管，在本實200949167 IX. Description of the Invention: [Technical Field] The present invention relates to a separate air-conditioning system, and more particularly to a separate air-conditioning system that can input pre-cooled fresh air into a room. [Prior Art] With the improvement of the material level, the air-conditioning system has become an indispensable part of modern family life, and the air-conditioning system has developed a separate air-conditioning system that can effectively reduce noise from the original window-type air-conditioning system. Referring to Figures 1 and 2, there is a separate air conditioning system 5 comprising an outdoor unit 51, an indoor unit 52, and a piping unit 53 connecting the outdoor unit 51 and the indoor unit 52. The indoor unit 52 includes a unit The evaporator unit 52i and a fan 522 include a liquid pipe 531 and a gas pipe connecting the outdoor unit 51 and the indoor unit 52 and respectively conveying liquid and gaseous refrigerant, and a water pipe 533. When the split type air-conditioning system 5 is in operation, the outdoor unit 51 transports the liquid refrigerant having a normal temperature and a low pressure to the evaporator 521 of the indoor unit 52 via the liquid pipe 531, and flows through the evaporator 521 by the operation of the fan 522. The inner air is cooled to become a low-temperature cold air. When the refrigerant passes through the evaporator 521, the air pipe 532 flows back to the outdoor unit 51 to start another new cycle. However, since the split type air-conditioning system 5 only cools the indoor air, when the user stays indoors for a long time, the quality of the air decreases with time, for example, when the user sleeps indoors, = The quality of the air will decrease as the concentration of carbon dioxide increases over time; t If the user smokes indoors, in addition to increasing the concentration of carbon dioxide, 5 200949167 will make the indoor air full of odor, which will also reduce the air quality. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a separate air-conditioning system that can supply pre-cooled fresh air into a room. Thus, the separate air-conditioning system in which the pre-cooled fresh air is introduced into the room of the present invention comprises an outdoor unit, an indoor unit, a pre-cooling unit, and a piping unit. The pre-cooling unit is electrically connected to the outdoor unit, and includes a casing having an air inlet, a heat exchanger adjacent to the air inlet, a fan for forcing fresh air to flow through the heat exchanger through the air inlet, and a fan A filter for filtering fresh air entering the housing, and an air compressor that pressurizes the fresh air passing through the heat exchanger. The pipeline unit includes a gas pipe for conveying the gaseous refrigerant, and a gas pipe for conveying the pre-cooled fresh air compressed by the air compressor of the pre-cooling unit to the indoor, the gas pipe has a connection between the indoor unit and the pre-cooling a first connecting section of the unit, and a second connecting section connecting the pre-cooling unit and the outdoor unit. The effect of the invention is that the fresh air is forced to be pre-cooled by the fan to change the fresh air through the air compressor, and the pre-cooled fresh air is output to the room through the air pipe, thereby further improving the indoor environment. 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 Referring to Figures 3, 4 and 6, the present invention precools the fresh air in the input chamber. 6 200949167 The indoor unit 2 pre-separated air-conditioning system 'includes an outdoor unit, a cooling unit 3, and a line unit 4. The chamber 1 is installed at an appropriate position outside the room, and includes a compressor η, a control 11 13' connected to the condenser 12 connected to the compressor n, and a correspondingly disposed in the condenser. The piece 14' of the water piece 14 can be a water tray or a water pipe in the present
❹ ，例中，㈣水件14是-水管並具有複數供凝結水滴 洛至該冷凝器12之灑水孔ι41。 參閲圖3、5’該室内機2包括一蒸發器Η、一送風扇 22，及一出風口 23。 該分離式冷氣系統5運作時，先藉由該室外機i之壓 縮機11將低溫低壓之氣態冷媒壓縮成高溫高壓之氣態冷媒 並送至該冷凝器12,使冷媒在該冷凝器12凝結成常溫高壓 之液態冷媒，再利用該控制器13將冷媒降壓為常溫低壓之 液態冷媒並經由該管路單元4之一液管41進入該室内機2 之洛發器21，使冷媒在該蒸發器21内進行吸熱而成為低溫 低壓之氣態冷媒，同時，因該送風扇22運轉而流經該蒸發 器21之室内空氣將因與該蒸發器21進行熱交換而成為低 溫之冷氣。 參閱圖4、6、7,該預冷單元3是與該室外機1電連接 ’在本實施例中，該預冷單元3之外觀是呈箱體狀且位於 該室外機1外，並包括一具有一入風口 311之殼體31、一 鄰近該入風口 311之熱交換器32、一迫使新鮮空氣流經該 熱交換器32之風扇33、一過濾進入該殼體31内之新鮮空 200949167 氣的過濾件34、一將通過該熱交換器32之新鮮空氣加廢輸 出並具有一吸入口 351的空壓機35、一與該空廢機35串聯 之臭氧產生器36、一將該室内機2之凝結水吸出並輸出至 該灑水件14的吸水泵37、一連接該吸水泵37之儲水管38 ，及一設置於該儲水管38且用以感測該儲水管38之水位 以電控制該吸水泵37開啟或關閉之微動開關39，其中，該 儲水管38可以是呈U形或倒S形而儲存適量凝結水以避免 该吸水泵37產生空轉之情形，在本實施例中，該儲水管38 是呈倒s形。該殼體31更具有一底板312、複數貫穿該底 板312之排氣孔313，及一與該入風口 311相鄰且供該過濾 件34嵌入之插槽314。該熱交換器32是用以將進入該殼體 31内之新鮮空氣進行降溫，值得說明的是，該熱交換器32 可以是一鰭片式熱交換器或一熱交換管，在本實施例中， 該熱交換器32是一鰭片式熱交換器。該過濾件％是用以 過濾進入該殼體31内之新鮮空氣，該過濾件34可以是一 φ 濾網或一過濾棉，在本實施例中，該過濾件34是一濾網。 戎臭氧產生器36是將來自該空壓機35之部分新鮮空氣轉 換成臭氧’在本實施例中，該臭氧產生器36是—陶究臭氧 產生器，產生之臭氧濃度為〇〇5ppm,因此不會對人體產生 傷害且可以殺菌除臭。值得說明的是，該過渡件^'該教 交換器32與該風扇33之位置排序並非蚊如圖7中之^ 式。亦可將排列順序（如圖7中由左至右）設置為該熱交 換器32、該過渡件34與該風扇33 4外，該臭氧產生器 36與6玄空壓機35之設置位置亦可對調，如此，該臭氧產生 200949167 器36同樣可對進入該殼體31之部分新鮮空氣進行轉換。 該管路單元4包括一連接該室外機1與該室内機2之 蒸發器21且用以輸送液態冷媒之液管41、一用以輸送氣態 冷媒之氣管42、一與該預冷單元3之臭氧產生器36連接之 輸氣管43，及一輸水管44，該氣管42具有一連接該室内 機2與該熱交換器32之第一連接段421，及一連接該室外 機1與該熱交換器32之第二連接段422。在本實施例中， 該輸氣管43是一乳膠管，可防止與臭氧產生反應。該輸水 管44具有一連接該室内機2與該預冷單元3之儲水管38 的吸水段441，及一連接該吸水泵37與該灑水件14之排水 段442,當該儲水管38之凝結水量到達高水位之設定值時 ，該微動開關39將電控制該吸水泵37將吸水段441内來 自於該室内機2之凝結水吸出，並由該排水段442輸出至 該;麗水件14經由該等麗水孔141滴至該冷凝器12上進行 熱交換，使該室外機1能得到額外的降溫輔助；而當該儲 水管38之凝結水量降為低水位之設定值時，該微動開關39 是電控制該吸水泵37停止運轉。 參閱圖4、5、7’當常溫低壓之液態冷媒在該室内機2 之蒸發器21進行熱交換而轉換成低溫低壓之氣態冷媒後， 經由該管路單元4之第一連接段421進入該預冷單元3之 熱交換器32’如此，因該風扇33運轉而進入該般體31且 溫度為32。〇35。0之新鮮空氣在通過該熱交換器32時，將 與冷媒產生熱交換而進行預冷並降溫至28χ，再經由該空 廢機35之吸入口 351進入該空壓機35加壓並通過該臭氧 9 200949167 產生器36而部分轉換成臭氧，之後再由該輸氣管43進入 該室内機2且經由該送風扇22運轉而與室内空氣混合後由 該出風口 23吹送至室内，而冷媒在通過該熱交換器32後 ，是經由該第二連接段422流回該室外機1以開始另一次 新的循環。需說明的是，未被該空壓機35吸入之預冷空氣 或未通過該熱交換器32之新鮮空氣將經由該等排氣孔313 排至該殼體31外，使得位於該殼體31外之新鮮空氣可以 順暢地進入該殼體31内。 經由上述說明可將本發明之優點歸納如下： 一、 補充預冷新鮮空氣：藉由該預冷單元3之風扇％ 迫使新鮮空氣流經該熱交換器32進行預冷，再經由該空壓 機35將預冷後之新鮮空氣經由該管路單元4之輸氣管々a 輸出至室内即可達到補充預冷新鮮空氣之效果。 二、 提供較佳空氣品質：藉由該預冷單元3的設置， 可使新鮮空氣在通過該臭氧產生器36 .時，部分新鮮空氣是 轉換成臭氧而可解離室内空氣中之毒素或殺除空氣冲之細 菌，因此兼具提供新鮮空氣與淨化空氣之功效，故確實可 改善室内之空氣品質。 三、 降低室外機負載：利用該室外機j之麗水件14將 該室内機2之凝結水滴至該冷凝器12上進行熱交換而降低 冷媒之冷凝溫度’除了可降低該壓縮機na縮冷媒時之壓 縮功進而降低該室外機i之負載外，由於凝結水滴與該冷 凝器12完成熱交換後是以氣態排出該室外機i，因此還可 避免產生如習知該室㈣52凝結之冷水經由一輸水管排至 10 200949167 室外而產生滴水之問題° 上述較佳實施例亦可經由下列變化方式而達到相同之 功效： 一、 該預冷單元3亦可以與該室外機1整合成一機體 ，同樣可以達到上述功效。 二、 該管路單元4之輸氣管43亦可不進入該室内機2 而是直接延伸至室内適當位置處，並藉由喷嘴將預冷後之 新鮮空氣喷入室内，同樣可以改善室内之空氣品質。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1疋一立體圖，說明現有一種分離式冷氣系統； 圖2是一剖面圖’說明室内空氣在該分離式冷氣系統 之一室内機流通之情形； 圖3疋—示意圖，說明本發明可將新鮮空氣輸入室内 的分離式冷氣系統進行冷職環時之情形； 圖 4 是一' 卫體’說明本發明可將新鮮空氣輸入室内的 分離式冷氣系統之一較佳實施例； 圖5是^ -立、丨jr： _ 面圖’說明一輸氣管將預冷後之新鮮空氣 輸送至一室内機之情形； 圖6是一·古 艰示意圖，說明一灑水件與一冷凝器之位 置關係；及 11 200949167 圖7是一剖面圖，說明一預冷單元之組成。 ❹❹ In the example, (4) the water piece 14 is a water pipe and has a plurality of water droplets for condensing water to the sprinkling hole ι41 of the condenser 12. Referring to Figures 3 and 5', the indoor unit 2 includes an evaporator Η, a blower fan 22, and an air outlet 23. When the split type air-conditioning system 5 is operated, the low-temperature low-pressure gaseous refrigerant is first compressed into a high-temperature high-pressure gaseous refrigerant by the compressor 11 of the outdoor unit i, and sent to the condenser 12 to condense the refrigerant in the condenser 12. The liquid refrigerant of normal temperature and high pressure is further depressurized by the controller 13 into a liquid refrigerant of normal temperature and low pressure, and enters the hair expander 21 of the indoor unit 2 through the liquid pipe 41 of the pipe unit 4, so that the refrigerant is evaporated. The inside of the device 21 absorbs heat to become a low-temperature low-pressure gas refrigerant, and the indoor air flowing through the evaporator 21 due to the operation of the blower fan 22 is cooled by the heat exchange with the evaporator 21 to become a low-temperature cold air. Referring to FIGS. 4, 6, and 7, the pre-cooling unit 3 is electrically connected to the outdoor unit 1. In the present embodiment, the pre-cooling unit 3 has a box shape and is located outside the outdoor unit 1, and includes a casing 31 having an air inlet 311, a heat exchanger 32 adjacent to the air inlet 311, a fan 33 forcing fresh air to flow through the heat exchanger 32, and a fresh air filtered into the casing 31. a gas filtering member 34, an air compressor 35 that outputs waste air through the heat exchanger 32 and has a suction port 351, an ozone generator 36 connected in series with the empty waste machine 35, and an indoor unit The condensate of the machine 2 is sucked out and outputted to the water suction pump 37 of the sprinkler 14 , a water storage pipe 38 connected to the water suction pump 37 , and a water tank 38 disposed at the water storage pipe 38 for sensing the water level of the water storage pipe 38 The micro switch 55 is electrically controlled to open or close the water suction pump 37. The water storage pipe 38 may be in a U shape or an inverted S shape to store an appropriate amount of condensed water to prevent the suction pump 37 from idling. In this embodiment, The water storage pipe 38 is in an inverted s shape. The housing 31 further has a bottom plate 312, a plurality of vent holes 313 extending through the bottom plate 312, and a slot 314 adjacent to the air inlet 311 for inserting the filter member 34. The heat exchanger 32 is used to cool the fresh air entering the housing 31. It is worth noting that the heat exchanger 32 can be a fin heat exchanger or a heat exchange tube, in this embodiment. The heat exchanger 32 is a fin heat exchanger. The filter member % is used to filter the fresh air entering the casing 31. The filter member 34 may be a φ filter or a filter cotton. In the embodiment, the filter member 34 is a filter. The ozone generator 36 converts a portion of the fresh air from the air compressor 35 into ozone. In the present embodiment, the ozone generator 36 is an ozone generator that produces an ozone concentration of 〇〇5 ppm. Does not cause harm to the human body and can sterilize and deodorize. It should be noted that the positional arrangement of the transition piece 32 and the fan 33 is not a mosquito as shown in FIG. The arrangement order (from left to right in FIG. 7) may also be set as the heat exchanger 32, the transition piece 34 and the fan 33 4 , and the positions of the ozone generators 36 and 6 the hollow air compressor 35 are also This can be reversed, and as such, the ozone generating 200949167 36 can also convert some of the fresh air entering the housing 31. The pipe unit 4 includes a liquid pipe 41 for connecting the outdoor unit 1 and the evaporator 21 of the indoor unit 2 for conveying liquid refrigerant, a gas pipe 42 for conveying the gaseous refrigerant, and a pre-cooling unit 3. a gas pipe 43 connected to the ozone generator 36, and a water pipe 44 having a first connecting portion 421 connecting the indoor unit 2 and the heat exchanger 32, and a connection between the outdoor unit 1 and the heat exchange The second connection segment 422 of the device 32. In the present embodiment, the gas delivery pipe 43 is a latex tube which prevents reaction with ozone. The water delivery pipe 44 has a water absorption section 441 connecting the indoor unit 2 and the water storage pipe 38 of the pre-cooling unit 3, and a drainage section 442 connecting the suction pump 37 and the sprinkling member 14, when the water storage pipe 38 is When the amount of condensed water reaches the set value of the high water level, the micro switch 39 electrically controls the water suction pump 37 to suck out the condensed water from the indoor unit 2 in the water absorption section 441, and is output to the water drain section 442 to the water drain member 14; The heat exchange is performed on the condenser 12 via the water holes 141, so that the outdoor unit 1 can obtain additional cooling assistance; and when the amount of condensed water of the water storage pipe 38 falls to a set value of a low water level, the micro switch 39 is electrically controlled to stop the suction pump 37. Referring to Figures 4, 5, and 7', when the liquid refrigerant at normal temperature and low pressure is heat-exchanged by the evaporator 21 of the indoor unit 2 to be converted into a low-temperature low-pressure gaseous refrigerant, the first connecting section 421 of the piping unit 4 is inserted into the system. The heat exchanger 32' of the pre-cooling unit 3 thus enters the body 31 and has a temperature of 32 due to the operation of the fan 33. When the fresh air of 〇35. 0 passes through the heat exchanger 32, it will be pre-cooled by heat exchange with the refrigerant and cooled to 28 Torr, and then pressurized into the air compressor 35 through the suction port 351 of the empty waste machine 35. The ozone 9 200949167 generator 36 is partially converted into ozone, and then enters the indoor unit 2 by the gas delivery pipe 43 and is operated by the blower fan 22 to be mixed with the indoor air and then blown into the room through the air outlet 23 . After passing through the heat exchanger 32, the refrigerant flows back to the outdoor unit 1 via the second connecting section 422 to start another new cycle. It should be noted that the pre-cooled air that is not sucked by the air compressor 35 or the fresh air that does not pass through the heat exchanger 32 will be discharged to the outside of the casing 31 via the exhaust holes 313 so that the casing 31 is located. The fresh air outside can smoothly enter the casing 31. The advantages of the present invention can be summarized as follows through the above description: 1. Supplementing the pre-cooled fresh air: the fresh air flows through the heat exchanger 32 for pre-cooling by the fan % of the pre-cooling unit 3, and then through the air compressor 35 The fresh air after pre-cooling is output to the indoor space through the gas pipe 々a of the pipe unit 4 to achieve the effect of supplementing the pre-cooled fresh air. 2. Providing better air quality: by the arrangement of the pre-cooling unit 3, fresh air can pass through the ozone generator 36, and part of the fresh air is converted into ozone to dissociate or remove the toxin in the indoor air. The air rushes bacteria, so it has the effect of providing fresh air and purifying the air, so it can improve the indoor air quality. 3. Reducing the load of the outdoor unit: the condensate of the indoor unit 2 is dripped onto the condenser 12 by the condensate 14 of the outdoor unit j to perform heat exchange to reduce the condensation temperature of the refrigerant, in addition to reducing the refrigerant of the compressor. The compression work further reduces the load of the outdoor unit i. Since the condensed water droplets are discharged into the outdoor unit i in a gaseous state after the heat exchange with the condenser 12 is completed, it is also possible to avoid the generation of cold water condensed by the chamber (4) 52. The problem that the water supply pipe is discharged to the outside of the room and the water supply is generated. The above-mentioned preferred embodiment can also achieve the same effect through the following changes: 1. The pre-cooling unit 3 can also be integrated with the outdoor unit 1 into a body, and the same can be Achieve the above effects. 2. The gas pipe 43 of the pipe unit 4 may also extend into the indoor unit 2 without directly entering the indoor unit 2, and spray the fresh air after pre-cooling into the room through the nozzle, thereby improving the air quality in the room. . The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a conventional split type air-conditioning system; Fig. 2 is a cross-sectional view showing the case where indoor air is circulated in an indoor unit of the split type air-conditioning system; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT The present invention can introduce fresh air into a separate air-conditioning system in a room for a cold duty cycle; FIG. 4 is a 'body body' illustrating a preferred embodiment of a separate air-conditioning system in which fresh air can be introduced into a room. Figure 5 is a diagram of ^ - 立, 丨 jr: _ 面 面 ' illustrates a case where a fresh air is delivered to an indoor unit by a gas pipe; Figure 6 is a schematic diagram showing an sprinkler and a sprinkler Positional relationship of the condenser; and 11 200949167 Figure 7 is a cross-sectional view showing the composition of a pre-cooling unit. ❹
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【主要元件符號說明】 I ..........室外機 II .........壓縮機 12 .........冷凝器 13 .........控制器 14 .........濃水件 141 .......灑水孔 2 ..........室内機 21 .........蒸發器 22 .........送風扇 23 .........出風口 3 ..........預冷單元 31.........殼體 311 .......入風口 312 .......底板 313 .......排氣孔 314 .......插槽 32.........熱交換器 33 .........風扇 34 .........過濾件 35 .........空壓機 351 .......吸入口 36 .........臭氧產生器 37 .........吸水泵 38 .........儲水管 39 .........微動開關 4 ..........管路單元 41 .........液管 42 .........氣管 421 .......第一連接段 422 .......第二連接段 43·........輸氣管 44.........輸水管 441 .......吸水段 442 .......排水段 13[Explanation of main component symbols] I ..........Outdoor unit II .........Compressor 12 .........Condenser 13 ... ...controller 14 .........drinking water 141 .......sprinkling hole 2 .......... indoor unit 21 ....... .. evaporator 22 ... ... send fan 23 ... ... air outlet 3 .......... pre-cooling unit 31....... .. housing 311 ....... air inlet 312 .... bottom plate 313 .... vent 314 .... slot 32..... ....heat exchanger 33 .........fan 34 .........filter 35 .........air compressor 351 ... Suction port 36 .... Ozone generator 37 ......... Suction pump 38 ......... Storage pipe 39 ......... Micro switch 4 ..... pipe unit 41 ... ... liquid pipe 42 ... ... gas pipe 421 .... first connection Section 422 .......the second connecting section 43·........the gas pipe 44...the water pipe 441.......the water absorption section 442.. .....Drainage section 13