WO2006063535A1 - Distributeur d’eau potable anti-pollution - Google Patents

Distributeur d’eau potable anti-pollution Download PDF

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Publication number
WO2006063535A1
WO2006063535A1 PCT/CN2005/002230 CN2005002230W WO2006063535A1 WO 2006063535 A1 WO2006063535 A1 WO 2006063535A1 CN 2005002230 W CN2005002230 W CN 2005002230W WO 2006063535 A1 WO2006063535 A1 WO 2006063535A1
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WO
WIPO (PCT)
Prior art keywords
water
pollution
tank
barrel
guiding column
Prior art date
Application number
PCT/CN2005/002230
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English (en)
French (fr)
Inventor
Zhigang Yu
Original Assignee
Zhigang Yu
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhigang Yu filed Critical Zhigang Yu
Publication of WO2006063535A1 publication Critical patent/WO2006063535A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0029Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers
    • B67D3/0032Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers the bottle or container being held upside down and provided with a closure, e.g. a cap, adapted to cooperate with a feed tube

Definitions

  • the present invention relates to a water dispenser, and more particularly to an improvement of an anti-pollution water dispenser and the like for preventing secondary pollution of drinking water.
  • the current water dispenser is used to guide the water in the water tank to the water tank of the water dispenser through the water guiding column. When the water level of the water tank of the water dispenser rises to the same level as the water outlet hole of the water guiding column, the water in the water tank does not flow into the water tank of the water dispenser.
  • the bottom of the water tank has two water outlets, one water outlet is connected with the normal temperature faucet, or the water outlet is connected with the ice water tank inlet, the ice water tank water outlet is connected with the normal temperature faucet; the other water outlet is connected with the heating water tank inlet ft, the heating water tank
  • the water outlet is connected to the hot water tap.
  • the water tank and the bucket bracket are fixed in the water dispenser casing, and a plurality of vent holes are reserved on a circumference of the water tank, the water bucket bracket and the water dispenser to ensure that the air can smoothly enter the water tank.
  • the water dispenser is integrally closed, and a vent hole is formed in the inclined wall of the bracket.
  • the existing water dispenser has to use the water storage tank as a whole, and the air with dust and microorganisms enters the unsealed water tank and the water tank through the vent hole, and the microorganisms are easily multiplied in the normal temperature water in the water storage tank. , thereby polluting water quality. .
  • Some people have also proposed the idea of using a fully enclosed water dispenser, but it cannot solve the problem that a large amount of steam generated in the heating water tank cannot be discharged.
  • the hot water tap is turned on, the air bubbles are discharged first, and then the hot water is discharged, which brings a safety hazard.
  • the water guide column and the water bucket cannot be sealed, and the water easily penetrates from the gap between the water guide column and the water tub.
  • the object of the present invention is to provide an anti-pollution water dispenser, which mainly solves the prior art that the water dispenser has a water storage tank and is generally in an open state, so that it has dust and microorganisms.
  • the invention also solves the problem that a large amount of steam generated in the heating water tank cannot be discharged.
  • the hot water tap is turned on, the air bubbles are discharged first, and then the hot water is discharged, which poses a safety hazard, and the technical problem that the water guide column and the water tub cannot be sealed, and the water easily penetrates from the gap between the water guide column and the water tub.
  • the anti-pollution water dispenser of the present invention comprises a water bucket and a bracket.
  • the bottom of the bracket is provided with a water guiding column, and the upper end of the water guiding column is inserted into and connected with the water tub, and the water outlet of the lower water guiding column is connected with the three-way valve body.
  • One end of the three-way valve body is connected to the normal temperature faucet through a water pipe; the other end is connected with the heated water inlet, and the water outlet of the heating water tank is connected to the hot water tap. Since the water storage tank is a hotbed for cultivating bacteria, the water storage tank is eliminated, and the pipeline is completely enclosed, so that the entire water dispenser can operate in a closed environment, preventing dust and microbial air from entering the water dispenser.
  • the bracket and the water guiding column may be connected by a rib snap or a mosaic or bolt fit.
  • the bracket can also be made integral with the rack of the water dispenser.
  • Buckets and water dispensers can also be connected by other means so that the drinking water can be completely closed to the water dispenser after the water tank is installed.
  • the water pipe and the water inlet pipe can be hoses.
  • the water guiding column and the three-way valve body may be connected by a hose sleeve or a direct welding or bolting connection.
  • the bucket may be integrally connected to the bracket, or may be an external storage tank or the like.
  • the bucket casing may also be of a shape other than a barrel, and may be made of a material other than plastic, but the bucket casing is not completely sealed so that air can enter therein.
  • the water outlet at the lower end of the water guide can be directly connected to the three-way valve body, or the three-way valve body can be connected through a hose.
  • the three-way valve body is connected to the water inlet of the heating water tank through an inlet pipe, and the heating water tank is further connected with an exhaust pipe, and the other end of the exhaust pipe is connected with the inlet pipe. It is convenient to heat the steam generated in the water tank to enter the inlet pipe through the circuit. On the one hand, it can solve the problem of steam emission, on the other hand, it can be recondensed into water, and the water of the inlet pipe is preheated to reduce energy consumption.
  • the heating water tank is connected with an exhaust pipe, and the other end of the exhaust pipe is above the water tub.
  • the height of the exhaust pipe is higher than the height of the bucket installed in the water dispenser, so that the steam can be directly discharged from the exhaust pipe out of the water dispenser.
  • the side wall of the bucket can be equipped with an exhaust pipe so that the exhaust pipe of the heating water tank can be connected to the exhaust pipe of the water tub without affecting the overall structure.
  • the upper end of the water guiding column is provided with a sealing ring, which is clamped between the water guiding column and the neck of the water tub. The seal prevents water in the bucket from flowing into the dispenser through the gap between the water guide and the bucket.
  • the bucket wall is provided with a vent hole
  • the barrel body is provided with a film bag matching the shape of the barrel.
  • the film bag can be a plastic film to prevent drinking water from directly contacting the barrel, avoiding secondary pollution, and easy to replace.
  • the vent hole may be provided on the side wall or the bottom wall of the water tub to allow air to enter the inside of the water tub and press the water in the film bag to the water guiding column.
  • the film bag may also be other soft materials such that it can press out the water stored therein under the natural action of air.
  • the neck of the film bag extends beyond the neck of the bucket and is flipped over the outer wall of the neck of the bucket to facilitate replacement of the film bag.
  • a water conduit can also be provided on the film bag, which is connected to the water guiding column so that the water in the bag flows into the water dispenser under air pressure.
  • the film bag is sealed and the tip of the water guiding column is tapered.
  • the film bag may be provided with a device for allowing water to flow outward in one direction. After the film bag is filled with water, it is put into the water dispenser, and the pointed conical water column can break the water outlet device of the film bag, so that the drinking water flows through the water guiding column.
  • a water tank can be added to the upper part of the water dispenser, and the film bag can be placed directly into the water tank.
  • each of the inlet pipe and the exhaust pipe is provided with an inverted valve.
  • the reverse valve of the inlet pipe prevents the water in the inlet pipe from flowing back due to the temperature higher than the normal temperature water in the bucket; the reverse valve on the exhaust pipe allows the steam in the heating tank to pass through the exhaust pipe, and the cold water cannot pass through the exhaust pipe.
  • the trachea enters the heating tank.
  • the connecting pipe of the hot water tap is provided with a vent hole.
  • the vent hole may be located at a position far away from the hot water tap switch, or the vent hole may be disposed at a portion of the distance by a hose or the like. It can discharge water vapor to prevent burns to the user.
  • the present invention has the water dispenser canceling the water storage tank, and the whole is in a closed state, so that air with dust and microorganisms does not enter the water tank and the water tub through the vent hole, and the water quality is good; the invention also has a heating water tank. A large amount of steam can be discharged. When the hot water tap is turned on, no bubbles are released, which is safer and saves energy.
  • the water guide column and the water tank are sealed by the sealing ring, and the water cannot penetrate from the gap between the water guiding column and the water tub. The structure is simple and reasonable. Features.
  • FIG. 1 is a schematic view showing the structure of the present invention
  • Figure 2 is a schematic enlarged view of the water guiding column of the present invention
  • FIG. 3 is a schematic structural view of Embodiment 2 of the present invention.
  • Figure 4 is a schematic view showing the structure of Embodiment 3 of the present invention.
  • Embodiment 1 The anti-pollution water dispenser of this example, as shown in Fig. 1, has a bucket 1 made of plastic, and a vent hole 1 is arranged on the bottom wall of the barrel, and the inside of the barrel is matched with the shape of the barrel.
  • the sterilized plastic film 12 has a neck which is higher than the neck of the bucket and is flipped over the outer wall of the neck of the bucket.
  • the water tank 1 is mounted on the bracket 2, and the bottom of the bracket 2 is provided with a water guiding column 3, and the upper end of the water guiding column 3 is sleeved with the lid of the water tub 1, and, as shown in Fig.
  • the upper end of the water guiding column 3 is provided with a "0" type sealing ring 11
  • the card is disposed between the water guiding column 3 and the step of the inner wall of the lid of the water tub 1.
  • the water outlet of the lower end of the water guiding column 3 is connected with a three-way valve body 4, and one end of the three-way valve body 4 is connected with the normal temperature faucet 6 through the water pipe 5; the other end is connected with the water inlet of the heating water tank 8 through the water inlet pipe 7, the water pipe, the inlet
  • the water pipe is a rubber hose.
  • the water outlet of the heating water tank 8 is connected to the hot water tap 9, and a vent hole 9-1 is opened in the connecting pipe of the hot water tap 9.
  • the heating water tank 8 is connected with an exhaust pipe 10, and the other end of the exhaust pipe 10 is connected with the water inlet pipe ⁇ through the three-way joint 14.
  • the inlet pipe 7 and the exhaust pipe 10 are each provided with an inverted valve 13, and the three-way joint 14 is provided at the outlet of the inlet pipe reverse valve 13.
  • the heating water tank 8 is provided with a washing drain 15 at the bottom end.
  • the bucket 1 In use, the bucket 1 is loaded into the tray 2, and the drinking water enters the three-way valve body 4 for diversion, and then directly reaches the normal temperature faucet 6 and the heating water tank 8 through the water conduit 5 and the inlet water pipe 7, respectively.
  • the water in the heating water tank is heated to generate water vapor, and the water vapor is returned to the water inlet pipe 7 through the exhaust pipe 10, on the one hand, the steam discharge problem can be solved, and on the other hand, the water can be recondensed into the water inlet pipe.
  • the water is preheated to reduce energy consumption.
  • the water vapor can also be discharged through the vent 9-1 opened in the hot water faucet 9, preventing the user from being burnt when the faucet is opened.
  • the invention can prove that it has the problem of solving the secondary pollution of drinking water by the water dispenser through the comparison test with the qualified holding time of the drinking water microbial index of the ordinary water dispenser.
  • test environment is in a well ventilated location with good environment.
  • 10 water dispensers were randomly divided into two groups, one for traditional drinking water and the other for drinking water. The two waters were randomly selected and loaded into 5 buckets on their respective water dispensers.
  • the water dispenser faucet was first used. Disinfect, and then use a sterile test tube to take a water sample from the dispenser to the laboratory for inspection. When testing the water quality, first drain all the water in the traditional water dispenser storage tank, and then take the water sample test, and then check it every 24 hours for 10 days.
  • test items are the total number of E. coli and colonies.
  • the test method is carried out in accordance with GB4789. 2. 3-1994.
  • the total number of colonies in the ambient air In order to understand the impact of the test environment on the test results, the ambient air pollution at the test site is monitored, the total number of ambient air colonies in the test is 2. 5 / m 3 .
  • the quality of bottled drinking water is mainly reflected in its laboratory testing indicators. These indicators include physical and chemical testing indicators and microbiological testing indicators. Physical and chemical indicators are mainly determined by the poor drinking water source and the production process in the production process. There are water sources and production process problems, and there are secondary pollution problems. There is uncertainty. In the production process, the traditional packaging drinking water tanks are repeatedly used, such as the incomplete cleaning of the anti-drugs, which may easily cause the microbial indicators to exceed the standard, which may cause harm to the drinker.
  • the present invention utilizes a water bucket equipped with a sterile film bag, which completely solves the problem of micro-biomass caused by the water-filled water bucket.
  • the water in the bucket must flow through the water storage tank of the water dispenser.
  • the water storage tank is semi-open on the one hand, and the water storage tank is in a pollution state because it cannot be cleaned.
  • the internal water is polluted when it flows through the storage tank.
  • the traditional water dispenser must have outside air to enter the water during the drinking process. Once the microorganisms in the air enter the barrel, they will multiply, especially in summer, the bacteria will multiply and cause pollution. .
  • the test is carried out in a ventilated environment. For example, in an office where the air is not circulating, the pollution of the traditional water dispenser is even more serious. And when testing, the water in the water tank should be drained beforehand. If not, the total number of colonies detected by the traditional water dispenser will increase.
  • the invention removes the water storage tank of the water dispenser, and the air can be discharged without entering the barrel when drinking, thereby effectively solving the problem of secondary pollution in the drinking process.
  • the whole test lasted for 10 days.
  • the test results show that the microbial indicators in the drinking water process have a longer retention time than the traditional packaging drinking water at the same time.
  • Embodiment 2 The anti-pollution water dispenser of this example, as shown in Fig. 3, has a water tub 1, and an exhaust pipe is arranged on the side wall of the bucket body, and the exhaust pipe height is higher than the height of the water tub.
  • the water tank 1 is mounted on the bracket 2, and the bottom of the bracket 2 is provided with a water guiding column 3, the upper end of the water guiding column 3 is sleeved with the lid of the water tank 1, and the water outlet of the lower end of the water guiding column 3 is connected with a three-way valve body 4, a three-way valve One end of the body 4 passes through the water pipe 5 and the normal temperature water
  • the faucet 6 is connected and matched; the other end is connected with the water inlet of the heating water tank 8 through the water inlet pipe 7, and the water pipe and the water inlet pipe are rubber hoses.
  • a hot water tap 9 is connected to the water outlet of the heating water tank 8, and a vent hole 9-1 is opened in the connecting pipe of the hot water tap 9.
  • the heating water tank 8 is connected to the exhaust pipe 10, and the other end of the exhaust pipe 10 is connected to an exhaust pipe on the side wall of the bucket 1 of the water tub.
  • An inverting valve 13 is provided on each of the inlet pipe 7 and the exhaust pipe 10.
  • the bucket 1 In use, the bucket 1 is loaded into the tray 2, and the drinking water enters the three-way valve body 4 for diversion, and then directly reaches the normal temperature faucet 6 and the heating water tank 8 through the water conduit 5 and the inlet water pipe 7, respectively.
  • the water in the heating water tank When the water in the heating water tank is heated, water vapor is generated, and the water vapor is discharged from the exhaust pipe above the water tub 1 through the exhaust pipe 10, thereby solving the problem of steam discharge.
  • the water vapor can also be discharged through the vent 9-1 opened in the hot water faucet 9, preventing the user from being burnt when the faucet is opened.
  • the rest are the same as in the first embodiment.
  • Embodiment 3 The anti-pollution water dispenser of this example, as shown in Fig. 4, the upper part of the water dispenser has a water tank 15 having a sterilized plastic film bag 12 matched with the shape of the barrel, and the film bag 12 is sealed thereon. There is a one-way water guiding device. The top of the water guiding column 3 is pointed. The top of the water tank 16 is provided with a lid 18 with a handle 17, and the tip end of the water guiding column 3 protrudes from the bottom of the tank 15.
  • the film bag 12 filled with water is placed in the water tank 16, the pointed conical water guiding column 3 breaks the one-way water guiding device on the film bag 12, the drinking water enters the water dispenser through the water guiding column 3, and then enters the three-way valve.
  • the body 4 is diverted, and then directly reaches the normal temperature faucet 6 and the heating water tank 8 through the water pipe 5 and the water inlet pipe 7, respectively, and the water in the heating water tank is heated to generate water vapor, and the water vapor is returned to the water inlet pipe 7 through the exhaust pipe 10.
  • it can solve the problem of steam emission, on the other hand, it can be recondensed into water, and the water in the inlet pipe is preheated to reduce energy consumption.
  • the water vapor can also be discharged through the vent 9-1 opened in the hot water faucet 9, preventing the user from being burnt when the faucet is smashed. The remainder is the same as in the first embodiment.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Dispensing Beverages (AREA)

Description

防污染饮水机 技术领域
本发明涉及一种饮水机, 尤其是涉及一种对防止饮用水二次污染的防污 染饮水机等结构的改良。
背景技术
目前, 饮水机已成为人们日常生活中普遍使用的饮用水装置, 它为使用 者带来了许多的方便。 然而, 饮水机内的饮用水常常由于未能在短期内用光 或一段时间未使用而使得饮用水渐渐变质,'水质不新鲜, 危害身体健康。 现 有饮水机是通过导水柱, 把水桶内的水引至饮水机水箱, 当饮水机水箱的水 位升至与导水柱出水孔一样高时, 水桶内的水不再流进饮水机水箱。 该水箱 底部有两个出水口, 一个出水口与常温水龙头相连接, 或出水口与冰水箱进 口连接、 冰水箱出水口与常温水龙头相连; 另一个出水口与加热水箱进水口 相连 ft, 加热水箱出水口与热水龙头连接。 该水箱与水桶托架固定于饮水机 壳内, 在水箱、 水桶托架与饮水机相互固定的一个圆周上预留若干个通气孔, 使空气能顺利进入水箱。 还有的饮水机则是整体呈封闭型, 在托架的斜壁上 开有通气孔。 当打开水龙头时, 空气通过水箱通气孔、 水龙头进入水桶内把 水压出, 若水箱是密封的, 水流出就不是很顺畅。 因此, 现有饮水机由于必 须使用储水箱, 整体呈开放式状态, 因此带有尘埃、 微生物的空气就会通过 通气孔进入不封闭的水箱和水桶, 微生物在储水箱内的常温水中容易大量繁 殖, 从而污染水质。 .
有人也提出采用全封闭式饮水机的设想, 但无法解决加热水箱内产生的 大量蒸汽无法排放的问题, 当打开热水龙头时, 先有气泡放出, 然后再出热 水, 会带来安全隐患。 并且导水柱与水桶之间无法密封, 水容易从导水柱与 水桶的缝隙中渗透。
发明的公开
本发明的目的是提供一种防污染饮水机, 其主要是解决现有技术所存在 的饮水机由于必须使用储水箱, 整体呈开放式状态, 因此带有尘埃、 微生物
确 认 本 的空气就会通过通气孔进入不封闭的水箱和水桶, 微生物在储水箱内的常温 水中容易大量繁殖, 从而污染水质的技术问题; 本发明还解决了加热水箱内 产生的大量蒸汽无法排放, 当打开热水龙头时, 先有气泡放出, 然后再出热 水, 会带来安全隐患, 并且导水柱与水桶之间无法密封, 水容易从导水柱与 水桶的缝隙中渗透等的技术问题。
本发明的上述技术问题主要是通过下述技术方案得以解决的:
本发明的防污染饮水机, 包括水桶、 托架, 托架底部配合设置有导水柱, 导水柱上端插入水桶内并与之相连, 其特征是所述的导水柱下端出水口连接 有三通阀体, 三通阀体一端通过通水管与常温水龙头相连接; 另一端与加热 水铕进水口相连接, 加热水箱的出水口连接设置热水龙头。 由于储水箱是培 育细菌的温床, 因此取消了储水箱, 并且管路全封闭, 使得整个饮水机能够 在封闭的环境中运行, 防止了外界带有尘埃、 微生物的空气进入饮水机。 托 架与导水柱可采用凸棱卡接或镶嵌式或螺栓配合的连接结构。 托架也可与饮 水机的机架制成整体。 水桶以及饮水机也可以通过其它方式连接, 使得水桶 装上饮水机后饮用水能在完全封闭的情况下进入饮水机。 通水管、 进水管可 以是软管。 导水柱与三通阀体可采用软管套接或直接焊接或螺栓配合的连接 结构。 水桶可以和托架连接成一体, 也可以是外置成蓄水罐等设备。 水桶外 壳也可以是除桶状外的其它形状, 并且也可以是除塑料外的其它材质制成, 但水桶外壳上不完全密封, 使得空气可以进入其内。 导水柱下端出水口可以 直接连接三通阀体, 也可以通过软管连接三通阀体。
作为优选, 所述的三通阀体通过进水管与加热水箱进水口相连接, 加热 水箱还连接有排气管, 排气管另一端与进水管连接配合。 便于加热水箱中产 生的蒸汽通过回路进入进水管, 一方面可以解决蒸汽的排放问题, 另一方面 也可重新凝结成水, 并对进水管的水进行预加热, 减少了能量消耗。
作为优选, 所述的加热水箱连接有排气管, 排气管另一端幵口在水桶上 方。 排气管的高度高于安装在饮水机的水桶高度, 便于蒸汽可以直接从排气 管排放出饮水机外。 水桶的侧壁可以安装排气管, 使得加热水箱的排气管与 水桶的排气管可以连接, 不影响整体结构。 0 作为优选, 所述的导水柱上端设有密封圈, 其卡设于导水柱与水桶口颈 部之间。 密封圈可以防止水桶中的水通过导水柱与水桶的缝隙流入饮水机内 部。
作为优选, 所述的水桶桶壁上设有通气孔, 桶体内部设有与桶体形状相 匹配的薄膜袋。 薄膜袋可以是塑料薄膜, 防止饮用水直接和桶体接触, 避免 了二次污染, 而且更换方便。 通气孔可以设在水桶的侧壁或者底壁上, 使空 气进入水桶内部, 将薄膜袋中的水压到导水柱处。 薄膜袋也可以是其它软性 材料, 使得其能够在空气的自然作用下把里面储存的水压出。
作为优选, 薄膜袋颈部伸出水桶颈口并翻转反套在水桶颈口外壁上, 便 于更换薄膜袋。 薄膜袋上也可以设导水管, 其与导水柱相连, 从而使袋内的 水在空气压力下, 流进饮水机。
作为优选, 薄膜袋密封, 导水柱顶端为尖锥形。 薄膜袋上可设有使水向 外单向流出的装置, 薄膜袋内装好水后, 放进饮水机内, 尖锥形导水柱可剌 破薄膜袋的出水装置, 使得饮用水通过导水柱流进饮水机。 在饮水机上部可 加水箱, 薄膜袋可以直接放入水箱中。
作为优选, 所述的进水管与排气管上各设有倒逆阀。 进水管的倒逆阀是 防止进水管内的水由于温度高于水桶内常温水从而造成的回流; 排气管上的 倒逆阀使得加热水箱中的蒸汽能够通过排气管, 冷水无法通过排气管进入加 热水箱。
作为优选, 所述的热水龙头的连接管上开设有通气孔。 通气孔可以设在 与热水龙头开关距离较远的部位, 或者通过软管等将通气孔布设在教远的部 位。 能将水蒸汽排出, 防止烫伤使用者。
因此, 本发明具有饮水机取消了储水箱, 整体呈封闭式状态, 因此带有 尘埃、 微生物的空气不会通过通气孔进入水箱和水桶, 水质较好的优点; 本 发明还具有加热水箱内产生的大量蒸汽可以排放, 当打开热水龙头时, 不会 有气泡放出, 较为安全, 节约能源, 并且导水柱与水桶通过密封圈密封, 水 无法从导水柱与水桶的缝隙中渗透, 结构简单、 合理等特点。
附图说明 附图 1是本发明的一种结构示意图;
附图 2是本发明导水柱的放大结构示意图;
附图 3是本发明实施例 2的结构示意图;
附图 4是本发明实施例 3的结构示意图。
实现本发明的最佳方法
下面详细说明:
实施例 1 : 本例的防污染饮水机, 如图 1, 有一个塑料制成的水桶 1, 其 桶体底壁上设有通气孔卜 1,桶体内部设有与桶体形状相匹配的经过消毒的塑 料薄膜 12, 其颈部高出水桶 1颈口并翻转反套在水桶 1颈口外壁上。 水桶 1 安装在托架 2上, 托架 2底部配合设置有导水柱 3, 导水柱 3上端与水桶 1盖 子套接, 并且, 如图 2, 导水柱 3上端设有 " 0"型密封圈 11, 其卡设在导水 柱 3与水桶 1盖子内壁的台阶之间。导水柱 3的下端出水口连接有三通阀体 4, 三通阀体 4一端通过通水管 5与常温水龙头 6连接配合;另一端通过进水管 7 与加热水箱 8进水口连接配合, 通水管、 进水管为橡胶软管。 加热水箱 8的 出水口连接设置热水龙头 9, 热水龙头 9的连接管上开设有 1个通气孔 9-1。 加热水箱 8连接有排气管 10, 排气管 10另一端与进水管 Ί通过三通接头 14 连接配合。 进水管 7与排气管 10上各设有一个倒逆阀 13, 三通接头 14设在 进水管倒逆阀 13的出口处。 加热水箱 8底端设置有清洗排水口 15。
使用时, 将水桶 1装入托架 2, 饮用水进入三通阀体 4进行分流, 然后通 过通水管 5和进水管 7分别直接到达常温水龙头 6以及加热水箱 8。加热水箱 内的水经过加热, 即产生水蒸汽, 水蒸汽通过排气管 10回流至进水管 7, 一 方面可以解决蒸汽的排放问题, 另一方面也可重新凝结成水, 并对进水管的 水进行预加热, 减少了能量消耗。 水蒸汽还可以通过热水龙头 9上开设的通 气孔 9-1排放, 防止使用者打开水龙头时烫伤。
本发明通过其与普通饮水机的饮用水微生物指标合格保持时间的对比试 验可以证明其具有解决饮水机对饮用水二次污染的问题。
一、 试验材料:
同一批次传统包装桶装水各 80份, 同一型号饮水机 10台, 无菌试管、 平血若干, 营养琼脂、 乳糖胆盐培养基适量。
二、 方法:
1、 测试环境是在通风并且环境较好的地点。 10台饮水机随机分成两组, 一组作传统饮用水用, 另一组作本发明饮用水用, 将两种水随机抽取 5桶装 上各自饮水机上, 24小时后, 先对饮水机龙头消毒, 然后各自用无菌试管从 饮水机龙头采取水样送化验室检验。 检测水质时, 先把传统饮水机储水箱中 的水全部放掉, 而后再抽取水样测试, 以后每隔 24小时检验一次, 持续时间 10天。
2、 检验项目为大肠杆菌、 菌落总数, 检验方法参照 GB4789. 2. 3-1994方 法进行。
3、在对饮用过程中的水进行检验的同时, 将剩余的各 75桶水, 每天抽 5 桶于饮用过程中的水同时进行检验, 以观察原桶水保质情况。
三、 试验结果:
1、不同包装的水菌落总数检测情况:将不同包装的水以时间天数为单位, 每天检测一次, 检测指标为大肠杆菌、 菌落总数, 检测结果如下表:
Figure imgf000007_0001
2、 剩余水大肠杆菌、 菌落总数情况: 在试验第十天结束后, 取下饮水机 上所有水桶, 将桶内剩余水再做大肠杆菌、 菌落总数检验, 检验结果如下表: 传统 1 传统 2 传统 3 传统 4 传统 5 发明 1 发明 2 发明 3 发明 4 发明 5 大肠菌群 <3 <3 <3 <3 <3 <3 <3 <3 <3 <3 菌落总数 1200 2200 980 1800 1900 0 0 2 0 1
3、 环境空气中菌落总数: 为了解检测环境对试验结果的影响, 同时对试 验场所环境空气污染情况进行监测,试验所处环境空气菌落总数为 2. 5个 /m3
四、 结果分析:
1、 桶装饮用水的质量主要反映在其实验室检测指标, 这些指标包括理化 检验指标和微生物检验指标, 理化指标主要由饮用水源好差及生产过程中生 产工艺所决定, 而微生物指标既有水源及生产工艺问题, 又有其后二次污染 问题, 存在着不确定性。 在生产过程中传统包装饮用水桶因重复使用, 如消 毒者清洗不彻底, 极易引起微生物指标超标, 从而可能对饮用者引起伤害。 本发明利用装有消毒薄膜袋的水桶, 这样彻底解决了由装水水桶引起的微生 物超标。
2、传统包装的饮水机在其饮水过程中,桶内水必须流经饮水机的储水箱, 其储水箱一方面呈半开放状态, 另一方面储水箱因不能清洗而成污染状态, 当桶内水饮用时流经储水箱时受到污染; 同时传统饮水机在饮用过程中必须 有外界空气进入才能出水, 一旦空气中的微生物进入桶内, 便大量繁殖, 尤 其夏天细菌成倍增长, 引起污染。 试验是在通风的环境下进行, 如在写字楼 等空气不流通的地段, 传统饮水机的污染还要严重。 并且测试时, 储水箱的 水事先要放掉, 如不放掉的话, 传统饮水机水质检测出来的菌落总数还将升 高。 本发明去掉饮水机储水箱, 饮用时空气无需进入桶内也可以出水, 有效 解决了饮用过程二次污染的问题。
3、 整个试验历经 10天, 试验结果显示本发明在饮用水过程微生物指标 合格保持时间明显长于同时间期的传统包装饮用水。
实施例 2: 本例的防污染饮水机, 如图 3, 有一个水桶 1, 水桶 1桶体侧 壁上设有排气管, 排气管高度高于水桶的高度。 水桶 1安装在托架 2上, 托 架 2底部配合设置有导水柱 3, 导水柱 3上端与水桶 1盖子套接, 并且, 导水 柱 3的下端出水口连接有三通阀体 4,三通阀体 4一端通过通水管 5与常温水 龙头 6连接配合; 另一端通过进水管 7与加热水箱 8进水口连接配合, 通水 管、进水管为橡胶软管。加热水箱 8的出水口连接设置热水龙头 9, 热水龙头 9的连接管上开设有 1个通气孔 9-1。 加热水箱 8连接有排气管 10, 排气管 10另一端与水桶 1桶体侧壁上的排气管连接。进水管 7与排气管 10上各设有 一个倒逆阀 13。
使用时, 将水桶 1装入托架 2, 饮用水进入三通阀体 4进行分流, 然后通 过通水管 5和进水管 7分别直接到达常温水龙头 6以及加热水箱 8。加热水箱 内的水经过加热, 即产生水蒸汽, 水蒸汽通过排气管 10从水桶 1上方的排气 管排出, 解决了蒸汽的排放问题。 水蒸汽还可以通过热水龙头 9上开设的通 气孔 9-1排放, 防止使用者打开水龙头时烫伤。 其余同实施例 1。
实施例 3 : 本例的防污染饮水机, 如图 4, 饮水机上部有一个水箱 15, 其 内部设有与桶体形状相匹配的经过消毒的塑料薄膜袋 12, 薄膜袋 12密封, 其 上设有单向引水装置。 导水柱 3顶端为尖锥形。 水箱 16顶部设有带手柄 17 的箱盖 18, 导水柱 3尖锥形顶端伸出水箱 15底部。
使用时,将装满水的薄膜袋 12放入水箱 16, 尖锥形导水柱 3剌破薄膜袋 12上的单向引水装置, 饮用水通过导水柱 3进入饮水机内部, 然后进入三通 阀体 4进行分流, 然后通过通水管 5和进水管 7分别直接到达常温水龙头 6 以及加热水箱 8加热水箱内的水经过加热, 即产生水蒸汽, 水蒸汽通过排气 管 10回流至进水管 7, 一方面可以解决蒸汽的排放问题, 另一方面也可重新 凝结成水, 并对进水管的水进行预加热, 减少了能量消耗。 水蒸汽还可以通 过热水龙头 9上开设的通气孔 9-1排放, 防止使用者打幵水龙头时烫伤。 其 余同实施例 1。

Claims

权 利 要 求
1.一种防污染饮水机, 包括水桶 (1 )、 托架 (2), 托架 (2) 底部配合设 置有导水柱 (3), 导水柱 (3 ) 上端插入水桶 (1 ) 内并与之相连, 其特征是 所述的导水柱 (3) 下端出水口连接有三通阀体 (4), 三通阀体 (4) 一端通 过通水管 (5) 与常温水龙头 (6) 相连接; 另一端与加热水箱 (8) 进水口相 连接, 加热水箱 (8) 的出水口连接设置热水龙头 (9)。
2. 根据权利要求 1所述的防污染饮水机, 其特征是所述的三通阀体(4) 通过进水管 (7) 与加热水箱 (8) 进水口相连接, 加热水箱 (8) 还连接有排 气管 (10), 排气管 (10) 另一端与进水管 (7) 连接配合。
3. 根据权利要求 1所述的防污染饮水机, 其特征是所述的加热水箱 (8) 连接有排气管 (10), 排气管 (10) 另一端开口在水桶 (1 ) 上方。
4.根据权利要求 1或 2或 3所述的防污染饮水机, 其特征是所述的导水 柱 (3) 上端设有密封圈 (11 ), 其卡设于导水柱 (3) 与水桶 (1 ) 口颈部之 间。
5.根据权利要求 1或 2或 3所述的防污染饮水机, 其特征是所述的水桶 ( 1 ) 桶壁上设有通气孔 (i-i ), 桶体内部设有与桶体形状相匹配的薄膜袋 ( 12)。
6.根据权利要求 4所述的防污染饮水机, 其特征是所述的水桶 (1 ) 桶壁 上设有通气孔 (1-1 ), 桶体内部设有与桶体形状相匹配的薄膜袋 (12)。
7.根据权利要求 6所述的防污染饮水机, 其特征是所述的薄膜袋 (12) 颈部伸出水桶 (1 ) 颈口并翻转反套在水桶 (1 ) 颈口外壁上。
8.根据权利要求 6所述的防污染饮水机, 其特征是所述的薄膜袋 (12) 密封, 导水柱 (3) 顶端为尖锥形。
9.根据权利要求 7所述的防污染饮水机, 其特征是所述的进水管 (7) 与 排气管 (10) 上各设有倒逆阀 (13 )。
10.根据权利要求 9所述的防污染饮水机, 其特征是所述的热水龙头 (9) 的连接管上开设有通气孔 (9-1 )。
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