WO2020224034A1 - Vanne de mélange d'eau à température constante et à débit constant - Google Patents

Vanne de mélange d'eau à température constante et à débit constant Download PDF

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Publication number
WO2020224034A1
WO2020224034A1 PCT/CN2019/091767 CN2019091767W WO2020224034A1 WO 2020224034 A1 WO2020224034 A1 WO 2020224034A1 CN 2019091767 W CN2019091767 W CN 2019091767W WO 2020224034 A1 WO2020224034 A1 WO 2020224034A1
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WO
WIPO (PCT)
Prior art keywords
water outlet
hot water
cold water
constant
regulating valve
Prior art date
Application number
PCT/CN2019/091767
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English (en)
Chinese (zh)
Inventor
佘群
卢德纯
Original Assignee
广东吉宝电器科技有限公司
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Publication date
Application filed by 广东吉宝电器科技有限公司 filed Critical 广东吉宝电器科技有限公司
Publication of WO2020224034A1 publication Critical patent/WO2020224034A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters

Definitions

  • the invention relates to the field of water mixing valves, in particular to a constant temperature and constant flow water mixing valve.
  • the water mixing valve is mainly used in water dispensers, water heaters and other fields. It has the function of adjusting the water temperature.
  • the general mechanical water mixing valve needs to manually adjust the position of the handle to control the opening and closing ratio of the hot water channel and the cold water channel, thereby adjusting the water temperature.
  • the adjustment operation is cumbersome, and when the hot water channel is opened too large, a burn accident may occur.
  • Cipherical Patent Document No. CN201620555161.1 discloses an automatic temperature-regulating water mixing device, which includes a cold water pipe and a hot water pipe.
  • the cold water pipe and the hot water pipe form a U-shaped water inlet structure.
  • the junction is provided with a mixing pipe, and at the junction of the mixing pipe and the cold and hot water pipes, there is an adjusting block.
  • the mixing pipe is provided with a bimetallic adjusting piece.
  • the bimetallic adjusting piece is fixed to the mixing pipe by a bimetal adjusting piece fixing pin.
  • the adjusting block is connected to the upper end of the bimetallic adjusting piece through the adjusting block connecting pin.
  • a water outlet pipe is arranged at the lower end of the water mixing pipe, and the water outlet pipe is fixed to the lower end of the water mixing pipe by a water outlet pipe fixing nut. It automatically adjusts the water temperature through a bimetallic adjusting piece and an adjusting block to meet the needs of users.
  • the bimetallic adjusting piece is affected by factors such as environment and assembly, which results in a large temperature difference when actually adjusting the water temperature, inaccurate temperature adjustment, and unable to control the water flow rate of the mixing valve, and further improvement is needed.
  • the purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a constant temperature and constant flow water mixing valve, which can precisely control the outlet water temperature and the outlet water flow rate.
  • a constant-temperature and constant-flow water mixing valve includes a hot water inlet channel, a cold water inlet channel, and a mixing water outlet channel.
  • the hot water inlet channel, the cold water inlet channel and the water outlet end of the cold water inlet channel merge with the water inlet end of the mixed water outlet channel,
  • the junction is provided with an on-off valve that can connect or close the above-mentioned three channels.
  • the hot water inlet channel is provided with a hot water outlet regulating valve and a hot water flow meter
  • the cold water inlet channel is provided with a cold water outlet regulating valve and a cold water flow meter
  • the mixed water outlet channel is provided with a third temperature sensor , At least the cold water outlet regulating valve of the two outlet regulating valves is normally open.
  • the constant temperature and constant flow water mixing valve further includes a control board, and the hot water outlet regulating valve, the hot water flow meter, the cold water outlet regulating valve, the cold water flow meter, and the third temperature sensor are respectively electrically connected to the control board.
  • the control board controls the opening of the hot water outlet regulating valve and the cold water outlet regulating valve according to the temperature detected by the third temperature sensor to achieve a constant temperature of the water outlet channel of the mixed water.
  • the control board according to the hot water flow meter , The sum of the flow detected by the cold water flowmeter controls the opening of the hot water outlet regulating valve and the cold water outlet regulating valve to achieve a constant flow of water from the mixed water outlet channel.
  • the hot water flowmeter is close to the outlet end of the hot water outlet regulating valve, and the cold water flowmeter is close to the outlet end of the cold water outlet regulating valve.
  • the hot water inlet channel is provided with a hot water temperature sensor, and the cold water inlet channel is provided with a cold water temperature sensor.
  • the hot water temperature sensor and the cold water temperature sensor are respectively electrically connected to the control board.
  • a light-emitting device is provided on the mixed water outlet channel, and the light-emitting device is electrically connected to the control board. After the switch valve is opened, the hot water inlet channel and the cold water inlet channel are detected by the hot water flow meter and the cold water flow meter. When there is water flow, the control panel controls the lighting device to turn on.
  • the hot water outlet regulating valve and the cold water outlet regulating valve are both normally open. When the switch valve is closed, the normally open degree of the hot water outlet regulating valve is smaller than that of the cold water outlet regulating valve.
  • the constant temperature and constant current mixing valve further includes a power supply module, and the power supply module is electrically connected to the control board.
  • the power supply module is an external power supply and/or a built-in power supply.
  • the control panel detects the temperature and flow rate of the hot water inlet channel and the cold water inlet channel in real time to adjust the opening of the hot water outlet regulating valve and the cold water outlet regulating valve, so that the water output from the mixed water outlet channel reaches the user setting Temperature and flow rate, to achieve precise control of outlet water temperature and flow rate.
  • Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
  • the constant temperature and constant flow water mixing valve includes a hot water inlet channel 11, a cold water inlet channel 12, and a mixing water outlet channel 13, the hot water inlet channel 11, the cold water inlet channel 12 and the water outlet end of the mixing water
  • the water inlet end of the water outlet channel 13 converges, and the converge is provided with an on-off valve 10 that can connect or close the above three channels.
  • the hot water inlet passage 11 is provided with a hot water outlet regulating valve 21 and a hot water flow meter 22, and the cold water inlet passage 12 is provided with a cold water outlet regulating valve 31 and a cold water flow meter 32.
  • the mixed water outlet passage 13 A third temperature sensor 41 is provided on the upper part. Of the two outlet adjustment valves, at least the cold water outlet adjustment valve 31 is normally open. After the on-off valve 10 is opened, at least the cold water inlet channel 12 has water flowing through, so that at least the cold water flowmeter 32, The third temperature sensor 41 obtains corresponding detection data.
  • the constant temperature and constant flow water mixing valve also includes a control board 5.
  • the hot water outlet regulating valve 21, the hot water flow meter 22, the cold water outlet regulating valve 31, the cold water flow meter 32, and the third temperature sensor 41 are electrically connected to the control board 5 respectively. Connected, their detection data will be fed back to the control panel 5 in real time, and the user can set the desired outlet water temperature and flow rate through the control panel 5.
  • the on-off valve 10 When the on-off valve 10 is opened, they will start to feed back the detection data, and the control panel 5 will obtain these data After that, it is judged that the on-off valve 10 is open, and the adjustments of the hot water outlet regulating valve 21 and the cold water outlet regulating valve 31 are adjusted according to the feedback of the detection data, so that the outlet temperature and flow rate of the mixed water outlet channel 13 meet the set requirements and remain constant , The adjustment of the outlet water temperature and flow rate is accurate and reliable.
  • the control board 5 controls the openings of the hot water outlet regulating valve 21 and the cold water outlet regulating valve 31 according to the temperature detected by the third temperature sensor 41 to achieve a constant water outlet temperature of the mixed water outlet channel 13.
  • the control board 5 controls the openings of the hot water outlet regulating valve 21 and the cold water outlet regulating valve 31 according to the sum of the flow rates detected by the hot water flow meter 22 and the cold water flow meter 32 to achieve a constant flow rate of the mixed water outlet channel 13.
  • the hot water flowmeter 22 is close to the outlet end of the hot water outlet regulating valve 21, and the cold water flowmeter 32 is close to the outlet end of the cold water outlet regulating valve 31, and detects the flow at the water end to improve detection accuracy.
  • the hot water inlet channel 11 is provided with a hot water temperature sensor 23, and the cold water inlet channel 12 is provided with a cold water temperature sensor 33.
  • the hot water temperature sensor 23 and the cold water temperature sensor 33 are electrically connected to the control board 5 respectively. Connection, through the simultaneous detection of the three-point temperature of the hot water inlet channel 11, the cold water inlet channel 12, and the mixed water outlet channel 13, which can improve the accuracy of adjusting the outlet temperature of the mixed water outlet channel 13.
  • the hot water temperature sensor 23 is close to the outlet end of the hot water outlet regulating valve 21, and the cold water temperature sensor 33 is close to the outlet end of the cold water outlet regulating valve 31, and detects the temperature at the water end to improve the detection accuracy.
  • the mixed water outlet channel 13 is provided with a light emitting device 42 which is electrically connected to the control board 5.
  • the hot water flow meter 22 and the cold water flow meter 32 detect The hot water inlet channel 11 and the cold water inlet channel 12 have water flow.
  • the control panel 5 controls the light-emitting device 42 to turn on. After the light-emitting device 42 is turned on, the light is led out through the water flow, which has the effect of decorating the atmosphere light.
  • the use of the water mixing valve is more tone.
  • the hot water outlet regulating valve 21 and the cold water outlet regulating valve 22 are both normally open.
  • the normally open degree of the hot water outlet regulating valve 21 is smaller than that of the cold water outlet regulating valve 22 Opening degree.
  • the normally open degree of the hot water outlet regulating valve 21 is smaller than that of the cold water outlet regulating valve 22
  • the normally open degree can effectively prevent the temperature of the water output from the mixed water outlet channel 13 from being too high, and avoid the occurrence of scalding accidents.
  • the constant temperature and constant flow water mixing valve further includes a power supply module 6 which is electrically connected to the control board 5.
  • the power supply module 6 is an external power supply and/or a built-in power supply that can provide a low voltage, which can be understood by those skilled in the art.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Temperature-Responsive Valves (AREA)
  • Domestic Plumbing Installations (AREA)

Abstract

L'invention concerne une vanne de mélange d'eau à température constante et à débit constant, comprenant un tableau de commande (5), un passage d'entrée d'eau chaude (11), un passage d'entrée d'eau froide (12) et un passage de sortie d'eau mélangée (13). Des extrémités de sortie d'eau du passage d'entrée d'eau chaude (11) et du passage d'entrée d'eau froide (12) se rejoignent avec une extrémité d'entrée d'eau du passage de sortie d'eau mélangée (13). Une vanne de commutation (10) pouvant permettre le raccordement ou la fermeture des trois passages susmentionnés est prévue au niveau de la jonction. Le passage d'entrée d'eau chaude (11) est pourvu d'une vanne de régulation de sortie d'eau chaude (21) et d'un débitmètre d'eau chaude (22) ; le passage d'entrée d'eau froide (12) est pourvu d'une vanne de régulation de sortie d'eau froide (31) et d'un débitmètre d'eau froide (32) ; un troisième capteur de température (41) est disposé dans le passage de sortie d'eau mélangée (13) ; une fois ouverte la vanne de commutation (10), le tableau de commande (5) commande le degré d'ouverture de chaque vanne de régulation de sortie d'eau en fonction de la température mesurée par le troisième capteur de température (41) et du débit mesuré par chaque débitmètre, de sorte à obtenir un débit d'eau constant dans le passage de sortie d'eau mélangée.
PCT/CN2019/091767 2019-05-06 2019-06-18 Vanne de mélange d'eau à température constante et à débit constant WO2020224034A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910372659.2A CN109990112A (zh) 2019-05-06 2019-05-06 一种恒温恒流混水阀
CN201910372659.2 2019-05-06

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CN111813162A (zh) * 2020-07-02 2020-10-23 芜湖美的厨卫电器制造有限公司 水处理设备、水温调节方法和计算机可读存储介质

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EP2543779A2 (fr) * 2011-07-07 2013-01-09 Markon Holdings Limited Système de mélange d'eau, robinetterie sanitaire, système de remplissage de bain et système pour introduire sélectivement un additif dans un courant d'eau
CN205859244U (zh) * 2016-07-13 2017-01-04 温州海思创信息科技有限公司 一种用于热水器的智能冷热混水阀
JP6376331B2 (ja) * 2014-03-26 2018-08-22 Toto株式会社 湯水混合装置
CN108799610A (zh) * 2017-04-28 2018-11-13 青岛经济技术开发区海尔热水器有限公司 一种恒温恒流出水控制方法及恒温恒流阀
CN208703239U (zh) * 2018-08-08 2019-04-05 辽东学院 数控恒温恒流水龙头

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US6270014B1 (en) * 1999-08-30 2001-08-07 Encon Safety Products Tempered water blending system
CN201265669Y (zh) * 2008-09-19 2009-07-01 王永进 一种恒温控制阀
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CN202418732U (zh) * 2012-01-18 2012-09-05 林尔福 一种新型混合恒温出水控制系统
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Publication number Priority date Publication date Assignee Title
EP2543779A2 (fr) * 2011-07-07 2013-01-09 Markon Holdings Limited Système de mélange d'eau, robinetterie sanitaire, système de remplissage de bain et système pour introduire sélectivement un additif dans un courant d'eau
CN202418736U (zh) * 2012-02-20 2012-09-05 朱祥桢 智能恒温混水装置
JP6376331B2 (ja) * 2014-03-26 2018-08-22 Toto株式会社 湯水混合装置
CN205859244U (zh) * 2016-07-13 2017-01-04 温州海思创信息科技有限公司 一种用于热水器的智能冷热混水阀
CN108799610A (zh) * 2017-04-28 2018-11-13 青岛经济技术开发区海尔热水器有限公司 一种恒温恒流出水控制方法及恒温恒流阀
CN208703239U (zh) * 2018-08-08 2019-04-05 辽东学院 数控恒温恒流水龙头

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