1239823 九、發明說明： 【發明所屬之技術領域】 本發明係屬於一種展示櫃，尤指一種雙向氣簾開放式展示 樞’該展示櫃係可裝載食品，並應用於各種超市中，展示櫃的雙 向氣簾相配合形成一道強而有力的屏障以隔絕展示櫃内的冷空氣 及展示櫃外部的熱空氣。 【先前技術】 開放式後補展示櫃係普遍應用於各種超市之中，且用以裝各 種冷凍冷藏食品，展示櫃内部係區隔為一開放區、一後補區，其 中後補區係供貯藏食品，開放區則為一開放空間，僅以氣流所造 成的氣簾將展示櫃内的冷空氣與展示櫃外的熱空氣隔絕，顧客直 接牙過開放區的氣簾並取得所欲購買的食品。 月多…、第四圖，現有的開放式後補展示櫃係具有一櫃體（9 〇 ):櫃體（9 Q )内部區隔為—位於櫃體（9 〇 )内部後方的 後補區（9 0 a )及一位於櫃體（9 〇 )内部前方的開放區（9 0 b ) 〇 “後補區（9 ◦ a )係用以貯藏食品，其内頂部處設置有-第 -蒸發器（92)，該蒸發器（92)係與一設置在櫃體（9〇) 外的壓縮機（圖中去^ ^、）連、、Ό ’在後補區（9 〇 a )内頂部處另 設置有一鄰近第_茱發哭Γ ^ “、、I °口（ 9 2 )珂方的第一風扇（9 3 )，該 ^ " ( 9 3 )配合第—蒸發器（9 2 )而造成-後補區（9 〇 〇、内的循環冷氣流以使得後補區（9 0 a )内達到均溫狀態， 在後補區（9〇a)内的櫃體（9 0)側壁處設置有-門（94) 以供超市人員進人後補區（9Qa)進貨。 1239823 访 9()b)係供置放可供顧客自由拿取的P門 放區（9 0b)前方形成一前開口，在開 開 一内壁（95)，在内壁（95)前方處設置數 (〇b)内設置 食品托盤（951)，在内壁（95 /、放食品的 道（96)，兮y成有一冷氣循環流 〇；^： ^ :櫃體（9 0方的頂部及底部處，且兩開口 氣循環流道（9 6 )内靠^ f Q n > ’、 在〜 發哭rQ” / 近樞體（9〇)頂部處設置有-第二蒸 7\°° 冷氣循環流道（96)内靠近第二m發哭（9 =，櫃體（9 〇 )底部處設置有—第三風扇（9 8 a )，該第 -/弟二風扇（9 8 ) ( 9 8 a )係配合第二蒸發器（9 冷空氣自冷氣循環流道（9 6) 且流向冷氣循環流道（96)的下;：：出成為-道氣簾’並 ㈠㈠/以達成-循環冷氣流^開口處而進人冷氣循環流道 ^後《 ( 9 Q a )及開放區（9 〇 b )之間設置有一道門 3 Μ超市人M將候觀（9〇a)的貨品遞補 (9〇b)的食品托盤（951)。 内的冷擁有足夠的強度方能有效地將開放區 Μ的从熱L隔絕，但因風阻的緣故，氣簾 隨著離二Γ流道（96)上端開D流出時仍擁有足夠速度， π已大巾田減弱速度且向四周溢散，以 π/^屏障作用’導致外部環境熱线由櫃體（90)的前開 吏待開放區（9 〇 b )的下方的溫度較高，影響了開 1239823 放£ (9〇b)整體之约、tvi? 【發明内容】 ^成部分食品的保鮮期縮短。 ^ $人根據現有職式候補展示櫃氣簾強度辆的缺點， 改良其太不足與缺失，進而發明出—種雙向氣簾開放式展示樞、:， 本發明之主要目的係提供一種雙向咖 在展不_體前方製造兩道㈣的氣簾，職成-道可有效阻絕 冷以與外部環境熱空氣之熱交換的屏障，藉此可達到開 放體之均溫性並維持食品應有的保鮮期。 爲達上述目的，本發明雙向氣簾開放式展示櫃，主要係於一 櫃體前方形成有—前開σ，該櫃體内形成有—與該前開口相連通 的容置空間，該容置空間係區分為-位於該櫃體㈣後補區及一 緊鄰該前開口處的開放區，而該開放區内設置有-展示架，在該 開放區内的頂、底部分別形成有_第—冷空氣流道與—第二冷空 氣流道，該第-及第二冷空氣流道的第—及第二進氣口係連通於 乂後補區4第-及第二冷空氣流道的第—及第二出氣口係對應， 2櫃體内設置有第—及第二風扇分別對應該第—及第二冷空氣 机道並朝4第-及第二冷空氣流道之第—及第二進氣口，在該樞 : 置有至〃 I發器，使該第一及第二冷空氣流道之第一及 第二出氣口流出氣簾。 、、藉由上述技術手段，本發明利用開放區上下兩處的冷空氣流 〔所仏成的相對氣簾來形成—道強力的屏障以隔關放區冷空氣 空氣之熱交換’藉此可達關放區整體之均溫性。 【實施方式】 櫃 請參照第一圖，本發明雙向氣簾開放式展示櫃係包含有 1239823 及數個 體（10)，-展示架（20)，至少—蒸發s(3C)) 風扇。其中： 該櫃體（1 0)前方形成有一前開 、丄丄」复π円邵形成 有-與前開口（1 1)相連通的容置空間，該容置空間係區分為 4^(l〇a)AlM(1〇b)，_qi〇a)'" 内的櫃體（1 〇 )側壁上設置有—道門（i 2 )以供超市人員進 入後補區（1 〇 a )補貨。 開放區（1 0 b )係位於後補區（i Q a )前方並緊鄰㈣ (1 0 )前開口（ 1 1 )且與後補區（；L 0 a )相連通，在開放 區（1 0 b )内的櫃體（1 0 )頂部（i 3 )内形成有一沿櫃體 (1 0)前後方向的第一冷空氣流道（1 5)，該第一冷空氣流 道（1 5 )緊鄰後補區（10a)的一端處形成有一第一進氣口 (151)，該弟一進氣口（151)係與後補區（i〇a)相 連通，该弟一冷空乳流道（1 5)罪近櫃體（1 〇)前開的一端 處形成有一第一出氣口（152)。 在開放區（l〇b)内的櫃體（1〇)底部（14)内形成 有一沿櫃體（1 0)前後方向的第二冷空氣流道（丄6 )，該第 二冷空氣流道（1 6 )緊鄰後補區（1 〇 a )的一端處形成有一 第二進氣口（161)，該第二進氣口係與後補區（工 0 a )相連通，該第一冷空氣流道（1 6 )靠近櫃體（1 〇 )前 開口的一端處形成有一第二出氣口（ 1 6 2)，該第二出氣口（ 1 6 2)係與第一出氣口（ 1 5 2)相對。 在開放區（1 0 b)内的櫃體頂部（丄3 )與底部（丄4) 之間設置有一展示架（20)，該展示架上設置有數個托盤（2 1239823 本發明實施例中蒸發器（3 〇) Ο )係設置在櫃體（：I 〇 b )頂部 ^、、個’該蒸發器（3 00内’蒸發器（30)係藉由冷媒導管於::區（1 體之外的壓縮機（圖中未視）以二、到-設置在櫃 . Q 軋的冷部，由於本發明僅 在櫃體（10)内部的位置，而基發哭（3 〇)與壓縮機的結構關係為此領域中的已知技術且亦非、本;2 點’故不另贅述壓縮機與蒸發器（3◦)的結構關係。 本發明於實施例中使用的風扇係為二個，其分別為第一風扇 (40a)及第二風扇（4〇b) ·楚 π ^ ),第一風扇（4 0 a )係設置 後補區（1Qa)内並位於蒸發器（30)的前方處，第一風 扇（4 0 a )之吹氣側係朝向第一冷空氣流道㈠5 )的第_進 亂口（15D，以將通過蒸發器（3〇)且與該蒸發器（3〇) 進行熱交換而降溫的冷空氣吹人第—進氣σ (丄5丄），第二風 扇（40b)係設置在第二冷空氣流道（16)中，第二風扇之 吹_朝向第二冷空氣流道（1 6 )之第二出氣口（ ！ 6 2 ) 並朝第二出氣口（ 1 6 2)的方向吹氣。 藉由第-/第二風扇（4〇a) (4〇b)吹氣可造成兩道 刀別由弟第二出氣口（ 1 5 2 ) ( 1 6 2 )所流出的相對氣 簾二氣簾係在櫃體（1 〇)前開口（1 13處匯合並造成一朝 展7[^卞（2 〇 )方向前進的回流，該回流穿過展示架（2 0 )而 、'麦補區（1 〇 a )，並且重新被蒸發器（3 〇)降溫以後再 （4〇a) (4Gb)及各流道（15) (16) 來仏成氣簾以構成—氣流循環；在氣流循環過程的各處亦可增設 1239823 風扇以加強循環氣流的強度。 藉由上述技術手段，由第—n空氣流道（15)㈠ 二二 =!兩道氣簾恰構成—道隔絕櫃體（1 〇)内冷空氣與 σ衣兄一乳的屏障，各氣簾的長度約等於櫃體（1 〇)前開 半，遠短於現有開放式展示櫃中單向氣簾長度，因 2風心度的衰弱程度小於單向氣簾的衰弱程度，故兩氣簾匯 ，處仍可維持-射的_效果，可有效避免外部熱空氣進入掘 體（1〇)内導致食品溫度提高的缺點。 請參照第二圖，时為本發明第二實補，該實施例係在於 櫃體（1 cn内設置一位於展示架（2 〇)後方並介於開放區（工 ◦b)與後補區（1 0 a )之間的孔板門（1 8)，孔板門（！ 8)上形成有數個貫穿孔板門（1 8)的穿孔（ι 8丄），穿孔 (1 8 1 )係作為風道以供氣簾集所造成的回流通過，並將回 流分散成多個均㈣分流以均㈣進人後補區（iQa)中後 補區（1 Q a )内溫度得以快速的平衡到均溫狀態。 。月m二圖’其中為本發明第三實施例，該實施例除了包 含第二實施例的所有構造外，係將蒸發器（3 〇)設置在展示植 櫃體（ίο)的㈣（17)上，並在後補區（1〇〇的櫃體 (1 0)内部设置-内壁（i 9)，該内壁（丄9)係與樞體（1 二）的頂部（1 3)、後壁（丄7)、底部（丄4)相間隔以使 传内壁（1 9 )與櫃體（1 0)之間形成一與第一，第二冷空氣 流道（1 5 ) ( 1 6 )相連通的第三冷空氣流道，該㈣（工9 ) 相對於蒸發器（3 〇)的一處上形成有一出風口 ( i 9丄）以供 内壁（19)内的回流空氣強制通過蒸發器（3〇)，受蒸發器 1239823 (3 Ο )的冷卻，姑拉# 严 接者進入第三冷空氣流道，如此可確保回流 的空受到冷卻才進人第—/第二冷魏流道（1 5 )( 1 6 )。 【圖式簡單說明】 第 圖係為本發明第—實施例之實施狀 態圖 =二圖係為本發明第二實施例之實施狀態圖。 第~圖係為本發明第三實施例之實施狀態圖。 第四圖係為現有開放式後補展示櫃之實施狀態圖。 【主要元件符號說明】 (1 0)櫃體 （1 0 a )後補區 〇 b )開放區 （1 1 )前開口 2 )門 （1 3 )頂部 5)第一冷空氣流道（1 5 1)第一進氣口 (1 5 2)第一出氣口 (1 6 1 )第二進氣口 (162)第二出氣口 (1 8 1 )穿孔 (2 〇)展示架 (3 0)蒸發器 (4〇b)第二風扇 (9 〇 a )後補區 (93)第一風扇 (9 4 )門 (9 5 1 )食品托盤 (9 7)第二蒸發器 (1 6)第二冷空氣流遂 (17)後壁 (1 8)孔板門 (1 9 )内壁 (2 1 )托盤 (40a)第一風扇 (9 0)櫃體 (9 0 b )開放區 (9 2)第一蒸發器 (9 5 )内壁 (9 6)冷氣循環流道 (98)第二風扇 12398231239823 IX. Description of the invention: [Technical field to which the invention belongs] The present invention belongs to a display cabinet, especially a two-way air curtain open display hinge. The display cabinet can be used to load food and is used in various supermarkets. The air curtain cooperates to form a strong and powerful barrier to isolate the cold air in the display cabinet and the hot air outside the display cabinet. [Previous technology] Open-type supplementary display cabinets are commonly used in various supermarkets and are used to hold various frozen and refrigerated foods. The interior of the display cabinet is divided into an open area and a supplementary area, of which the supplementary area is provided for For food storage, the open area is an open space. The air curtain caused by the air flow only isolates the cold air in the display cabinet from the hot air outside the display cabinet. The customer directly passes through the air curtain in the open area and obtains the food they want to buy. More than four months, the fourth picture, the existing open rear supplement display cabinet has a cabinet (90): the internal partition of the cabinet (9 Q) is-the rear supplement area located behind the cabinet (90) (9 0 a) and an open area (9 0 b) located in front of the interior of the cabinet (9 〇). The "back-up area (9 ◦ a)" is used to store food. Device (92), the evaporator (92) is connected to a compressor (9 in the figure) outside the cabinet (90), and Ό 'is in the top of the back-up area (90a) A first fan (9 3) of Ke Fang, which is adjacent to the first _ Zhufa cry ^ ^ ", I ° mouth (9 2), the ^ " (9 3) cooperates with the first-evaporator (9 2) As a result, the circulating cold air flow in the after-replenishment zone (900) makes the uniform temperature in the after-repair zone (90a), and the side wall of the cabinet (90) in the after-repair zone (90a). There is a-door (94) for the supermarket staff to enter the back-up area (9Qa) to purchase goods. 1239823 Interview 9 () b) is used to place the P-door area (90b) in front of the customer for free access A front opening, before opening an inner wall (95), in front of the inner wall (95) A food tray (951) is set in the number (0b), and the inner wall (95 /, the food path (96)) is formed into a cold air circulation flow; ^: ^: cabinet (90 square top And the bottom, and the two open air circulation channels (9 6) ^ f Q n > ', at the top of ~ fa cry rQ "/ near the pivot body (90), a second steaming 7 \ ° ° In the cold air circulation channel (96), the second m is crying (9 =, the bottom of the cabinet (90) is provided with a third fan (9 8 a), and the second fan (9 8) (9 8 a) is matched with a second evaporator (9 cold air from the cold air circulation flow path (96)) and flows to the lower of the cold air circulation flow path (96); Circulating cold air flow ^ opening into the cold air circulation flow path ^ After "(9 Qa) and the open area (90b), there is a door 3M Supermarket person M will wait for the goods of (90a) to replenish (950) food tray (951). The internal cold has sufficient strength to effectively isolate the open area M from the hot L, but due to wind resistance, the air curtain follows the Γ flow channel (96). Sufficient speed when the upper end is open and D flows out , Π has weakened the speed of the turban field and spilled to the surrounding area. The π / ^ barrier effect caused the external environment hotline to rise from the temperature below the to-be-opened area (90) of the cabinet (90). Affect the opening of the 1239823 release (90b) of the overall contract, tvi? [Summary of the invention] ^ into a part of the food preservation period is shortened. ^ According to the shortcomings of the existing professional-type alternate display cabinets, the strength of the air curtains was improved, and they were too inadequate and lacking, and then invented a two-way air curtain open display hub: The main purpose of the present invention is to provide a two-way coffee shop _ Create two air curtains in front of the body. The professional road can effectively block the barriers of heat exchange with cold and hot air from the external environment, thereby achieving the uniformity of the open body and maintaining the proper shelf life of the food. In order to achieve the above object, the two-way air curtain open display cabinet of the present invention is mainly formed in front of a cabinet with a front opening σ formed in the cabinet with an accommodation space communicating with the front opening. The accommodation space is It is divided into-the backfill area of the cabinet and an open area immediately adjacent to the front opening, and-display racks are provided in the open area, and the first and the bottom of the open area are respectively formed with _ 第-cold air The flow channel and the second cold air flow channel, the first and second air inlets of the first and second cold air flow channels are connected to the fourth and second cold air flow channels, and Corresponds to the second air outlet, the first and second fans are installed in the 2 cabinets to correspond to the first and second cold air ducts, and to the fourth and second cold air flow paths, respectively. An air inlet is provided at the pivot: a torch generator is provided to make the first and second air outlets of the first and second cold air flow channels flow out of the air curtain. With the above technical means, the present invention uses the cold air flow (the relative air curtain formed by the upper and lower places) to form a strong barrier to separate the heat exchange of cold air in the closed area. The overall temperature uniformity of the customs release area. [Embodiment] Cabinet Please refer to the first figure, the two-way air curtain open display cabinet of the present invention includes 1239823 and several bodies (10),-display rack (20), at least-evaporation s (3C)) fan. Among them: The front of the cabinet body (10) is formed with a front opening, 丄 丄 "complex π 円, and an accommodation space communicating with the front opening (1 1) is formed, and the accommodation space is divided into 4 ^ (l〇 a) AlM (1〇b), _qi〇a) '" Inside the cabinet (100), a side door is provided with a door (i 2) for the supermarket staff to enter the replenishment area (100a) to replenish. The open area (1 0 b) is located in front of the back area (i Q a) and is immediately adjacent to the front opening (1 1) of ㈣ (1 0) and is connected to the back area (; L 0 a). In the open area (1 A first cold air flow channel (1 5) is formed in the top (i 3) of the cabinet body (1 0) inside 0 b), and the first cold air flow channel (1 5) ) A first air inlet (151) is formed immediately at one end of the rear supplement area (10a). The first air inlet (151) is connected to the rear supplement area (ioa). A first air outlet (152) is formed at the open end of the runner (1 5) near the cabinet (10). A second cold air flow path (丄 6) is formed in the bottom (14) of the cabinet (10) in the open area (10b) along the front-back direction of the cabinet (10). A second air inlet (161) is formed at one end of the channel (16) immediately adjacent to the rear supplement area (10a). The second air inlet is connected to the rear supplement area (work 0a). A second air outlet (1 6 2) is formed at an end of the cold air flow channel (1 6) near the front opening of the cabinet (10), and the second air outlet (16 2) is connected to the first air outlet (1 5 2) Relative. A display rack (20) is arranged between the top (丄 3) and the bottom (丄 4) of the cabinet in the open area (10b), and several trays (2 1239823 are evaporated in the embodiment of the present invention). The evaporator (3 〇) 〇) is set on the top of the cabinet (: I 〇b) ^, the 'this evaporator (within 300') evaporator (30) is through the refrigerant pipe in the :: zone (1 body of The external compressor (not shown in the figure) is installed in the cabinet with two-to-to. The cold section of the Q rolling, because the present invention is only located inside the cabinet (10), and Jifa (30) and the compressor The structural relationship of this is a known technology in the field and it is not the same as this; 2 points, so the structural relationship between the compressor and the evaporator (3◦) is not described in detail. The fan used in the embodiment of the present invention is two , Which are the first fan (40a) and the second fan (4〇b) · Chu π ^), the first fan (40a) is set in the back-up area (1Qa) and is located in the evaporator (30) At the front, the blowing side of the first fan (40a) is toward the first inlet (15D) of the first cold air flow channel (5), so that it will pass through the evaporator (30) and communicate with the evaporator (3 〇) Hot sex Instead, the cooled cold air blows into the first-intake σ (丄 5 丄). The second fan (40b) is set in the second cold air flow channel (16). The second air outlet (! 6 2) of the runner (1 6) and blows air in the direction of the second air outlet (1 6 2). By the second fan (4〇a) (4〇b) Blowing air can cause the two air curtains to flow out from the second air outlet (15 2) (16 2) of the two knives. The two air curtains are opened at the front of the cabinet (10). Develop a return flow in the direction of 7 [^ 卞 (20), the return flow passes through the display rack (20), and the 'maibu area (10a)', and is cooled by the evaporator (30) again (4 〇a) (4Gb) and each flow channel (15) (16) to form an air curtain to constitute-air circulation; 1239823 fans can also be added everywhere in the air circulation process to strengthen the intensity of the circulating air. By the above technical means , Which is formed by the n-th air flow channel (15) ㈠22 =! Two air curtains are just formed—the barrier between the cold air in the cabinet (10) and the milk of σ, and the length of each air curtain is approximately equal to the cabinet (1 〇) before Half, much shorter than the length of the one-way air curtain in the existing open display cabinet. Because the degree of weakening of the 2 air core degree is less than the weakening of the one-way air curtain, the two air curtains can still maintain the effect of the shot, which can effectively avoid The shortcomings of the hot food entering the digging body (10) caused the temperature of the food to rise. Please refer to the second figure, which is the second supplement to the present invention. This embodiment is located in the cabinet (1 cn, a display rack ( 2 〇) Orifice door (1 8), Orifice door (!) Between the open area (工 ◦b) and the back-up area (1 0 a). 8) A plurality of perforations (ι 8 丄) are formed on the perforated door (18). The perforations (18) are used as air ducts for the return flow caused by the air curtain set to pass through, and the return flow is dispersed into a plurality of uniform The tritium shunts the temperature in the post-compensation area (1 Q a) in the post-compensation area (iQa) to equalize to the uniform temperature state quickly. . Fig. 2 shows the third embodiment of the present invention. This embodiment includes all the structures of the second embodiment, and the evaporator (30) is installed in the display case (17) of the planting cabinet (ίο). The inner wall (i 9), which is connected to the top (1 3) and the rear wall of the pivot body (1 2). (丄 7) and the bottom (丄 4) are spaced apart to form a connection between the inner wall (1 9) and the cabinet (1 0) and the first and second cold air flow channels (1 5) (1 6). A third cold air flow passage, an air outlet (i 9 丄) is formed at a place of the ㈣ (工 9) opposite to the evaporator (30) for forced return air in the inner wall (19) to pass through the evaporator (30), cooled by the evaporator 1239823 (30), the Gu La # rigorous person enters the third cold air flow path, so that the returned air can be cooled before it enters the second cold Wei flow path (1 5) (1 6). [Brief description of the drawings] The first diagram is the implementation state diagram of the first embodiment of the present invention = the second diagram is the implementation state diagram of the second embodiment of the present invention. The first ~ diagram are the present invention First The implementation state diagram of the embodiment. The fourth diagram is the implementation state diagram of the existing open-type supplementary display cabinet. [Description of the main component symbols] (1 0) Cabinet body (1 0 a) supplementary area 0b) open area ( 1 1) Front opening 2) Door (1 3) Top 5) First cold air flow path (1 5 1) First air inlet (1 5 2) First air outlet (1 6 1) Second air inlet (162) Second air outlet (1 8 1) Perforated (2 0) Display stand (3 0) Evaporator (4 0b) Second fan (9 0a) After-fill area (93) First fan (9 4 ) Door (9 5 1) food tray (9 7) second evaporator (16) second cold air flow (17) rear wall (18) perforated door (1 9) inner wall (2 1) tray ( 40a) first fan (90) cabinet (90b) open area (92) first evaporator (95) inner wall (96) cold air circulation channel (98) second fan 1239823